JP7092395B2 - Blower for hot air circulation mat and warm air circulation mat - Google Patents

Description

The present invention belongs to the technical field of mats, and specifically relates to a blower for a hot air circulation mat and a hot air circulation mat.

In everyday life, the most widely used heating devices for warming up in bed are electric blankets and hot water heating mats. However, electric blankets have a potential risk of electric leakage, and are prone to the risk of local overheating, electromagnetic radiation, and the like. On the other hand, the hot water heating mat has many problems such as water leakage, clogging, anti-freezing measures and regular water replenishment, and is inconvenient for both use and maintenance.

China Utility Model No. 208725264 discloses a hot / cold mat that lowers or heats using hot / cold air, and the hot / cold mat includes a mat body, an air supply pipe, a blower, a connector, and the like. The mat body includes a bottom layer fabric, a heat insulating layer, a first three-dimensional mesh cloth layer, a second three-dimensional mesh cloth layer, a liner layer, and a surface layer that are stacked in order from bottom to top. The first three-dimensional mesh fabric layer and the second three-dimensional mesh fabric layer have a passage for ventilation and belong to the air supply passage layer or the return air passage layer having a porous structure. The combination of the air supply pipe, the first three-dimensional mesh cloth layer, and the second three-dimensional mesh cloth layer forms a circulation of hot and cold air, and the air supply pipe supplies cold air or hot air to cool or heat the mat body. The above-mentioned solutions solve the problems existing in the electric blanket and the hot water heating mat.

However, in the above technical solution, the cold air or hot air supplied by the air supply pipe is directly supplied to the inside of the first three-dimensional mesh cloth layer by the air supply pipe, and then further upward to the second three-dimensional mesh cloth layer. There is a problem that the temperature of the mat body near the cooling / heating source is too low or too high because it enters directly into the air, which affects the comfort of the user and also has a potential risk of local supercooling or low temperature burn. be. In order to solve a series of problems caused by the local temperature of the mat body at the air outlet of the blower being too low or too high, in China Utility Model No. 208725264, the lower part of the first three-dimensional mesh cloth layer. A heat insulating layer is added to the floor, and a liner layer is added above the second three-dimensional mesh cloth layer. The liner layer mainly serves to effectively transfer heat, insulate, and even out the heat, and the thickness of the liner layer at the front end of the mat body near the blower is a little thick, from the front end to the rear end. The heat gradually becomes thinner. Therefore, the mat body of the present invention has a large number of layers, a complicated structure, and a clear increase in cost.

Therefore, in order to overcome the technical deficiencies in the prior art, it is necessary to design new blowers and mats.

China Utility Model No. 208725264

A first object of the present invention is to provide a blower for a warm air circulation mat in order to overcome the technical defect in the prior art.

In order to achieve the above object, the present invention employs the following technical solutions.

A blower for a hot air circulation mat, including a fan, a heating element, and a control unit, where.
The fan has an air supply port and an air outlet, and the air outlet is provided with at least two hollow air passages, and the heating element is attached in at least one of the air passages. The air flowing through the air passage to which the heating element is attached is heated by the heating element and supplied to the inside of the warm air circulation mat. The air flowing through the air passage to which the heating element is not attached is simultaneously supplied to the inside of the warm air circulation mat, whereby the high temperature of the air supply portion of the warm air circulation mat is lowered. The operation of the fan and the heating element is controlled by the control unit.

According to the preferred technical solution of the present invention, the blower for a warm air circulation mat further includes a first connection portion, and one end of the first connection portion is connected to the air passage to which the heating element is attached. The other end communicates with the air supply path layer in the warm air circulation mat.

More preferably, the first connection portion has a fan-shaped structure as a whole. The small-diameter end of the fan-shaped structure is connected to the air passage to which the heating element is attached, and the large-diameter end of the fan-shaped structure communicates with the air supply path layer.

According to another preferred technical solution of the present invention, the air outlet includes an air outlet main body and a second connection portion that is detachably connected to the air outlet main body, and the air passages are both the second air passage. It is provided in the connection part.

Preferably, the number of the heating elements is one.

Preferably, the air outlet is provided with at least three hollow air passages, and the heating element is attached in at least one of the air passages.

More preferably, the air outlet is provided with three hollow air passages, and the heating element is mounted in the intermediate air passage.

Preferably, the blower further comprises an upper blocking plate, which is secured to the upper surface of the air outlet, whereby the layer surface inside the mat body adjacent to the upper surface of the air outlet is crushed to crush the air outlet. Prevent blocking.

Preferably, the heating element is at least one of a PTC heating element, a heating film, a heating sheet or a heating wire.

More preferably, the heating element is a PTC heating element.

More preferably, the heating film is a polyimide metal heating film.

According to the present invention, the heat-generating sheet may be a ceramic heat-generating sheet, a silica gel heat-generating sheet, a mica heat-generating sheet, an MCH heat-generating sheet, a conductive silicon heat-generating sheet, a carbon crystal heat-generating sheet, an aluminum foil heat-generating sheet, or the like, and is preferable. It is a ceramic heat generating sheet.

Another object of the present invention is to provide a warm air circulation mat, wherein the warm air circulation mat includes a mat body and any of the above-mentioned blowers, wherein the warm air circulation mat is provided.
The mat body includes a supply air passage layer and a return air passage layer having a three-dimensional mesh structure, and the air supply passage layer and the return air passage layer are separated between the supply air passage layer and the return air passage layer. In addition, a return air separation layer that plays a role of heat insulation and heat retention is laid. A return air inlet is opened in the return air separation layer.

The air outlet of the air blower communicates with the air supply passage layer, and the air provided by the air blower enters the air supply passage layer from the air outlet, and then goes up through the return air inlet. Enter the return air passage layer.

According to the preferred technical solution of the present invention, the return air separation layer has a return air outlet opened above the air supply port, and the air flowing through the return air passage layer passes through the return air outlet. Enter, thereby realizing a circulating blast.

According to another preferred technical solution of the present invention, a plurality of air supply pipes are attached so as to be embedded in the air supply passage layer, and one end of the air supply pipe is attached to the air passage to which the heating element is attached. Communicate.

The air flowing through the air passage to which the heating element is attached is heated by the heating element and supplied to the inside of the air supply passage layer via the air supply pipe, thereby improving heat transfer efficiency and heat transfer distance. Will be done. The air flowing through the air passage to which the heating element is not attached is supplied to the periphery of the air supply pipe inside the air supply passage layer, whereby the high temperature of the air supply portion of the air supply passage layer is lowered. ..

According to the third preferred technical solution of the present invention, the air supply passage layer is composed of at least two layers. An air supply separation layer is laid between two adjacent air supply passage layers. The air supply separation layer is provided with an opening below the return air inlet. The wind flowing through at least two air supply passage layers enters the return air passage layer upward through the opening and the return air inlet.

Correspondingly, the air outlet of the air blower is provided with at least two hollow air passages, and the heating element is mounted in one of the air passages. The air flowing through the air passage to which the heating element is attached is heated by the heating element and supplied to the inside of one of the air supply passage layers. The wind flowing through the air passage without the heating element is supplied to the inside of the remaining air supply passage layer, whereby the high temperature of the air supply portion of the air supply passage layer is lowered.

More preferably, the air supply passage layer is composed of an upper air supply passage layer, an intermediate air supply passage layer, and a lower air supply passage layer. A first air supply separation layer and a second air supply separation layer are laid between the adjacent upper air supply passage layer, intermediate air supply passage layer, and lower air supply passage layer, respectively. The first air supply separation layer and the second air supply separation layer are provided with a first opening and a second opening below the return air inlet, respectively. The wind flowing through the lower air supply passage layer and the intermediate air supply passage layer joins the wind flowing through the upper air supply passage layer through the first opening and the second opening, and goes up through the return air inlet. Enter the return airway layer.

Correspondingly, the air outlet of the air blower is provided with three layers of hollow air passages such as upper, middle, and lower, and the heating element is installed in the air passage of the intermediate layer. The air flowing through the air passage of the intermediate layer to which the heating element is attached is heated by the heating element and supplied to the inside of the air supply passage layer of the intermediate layer. The wind flowing through the two layers of air passages, such as the upper and lower air passages without the heating element, is supplied to the inside of the upper air supply passage layer and the lower air supply passage layer, respectively, thereby supplying air to the air supply passage layer. The high temperature of the site is reduced.

Preferably, the mat body further includes a bottom layer laid below the air supply tract layer, a surface layer laid above the return air passage layer, and a edging strip. The outer edges of the bottom layer, the air supply path layer, the return air separation layer, the return air passage layer, and the surface layer are wrapped by the edging strip.

More preferably, at least two air supply inlets and return air outlets are opened in the side surface portion of the edging strip on one side of the mat body. The air supply inlet communicates with the air supply passage layer. The return air outlet communicates with the return air passage layer.

In this case, the blower is attached to the outside of the mat body, the blower port of the blower communicates with the air supply port, or the blower port of the blower device is inserted into the air supply port. The return air outlet communicates with the air supply port of the blower.

Those skilled in the art can easily understand that the bottom layer is preferably a material layer having a heat insulating and heat insulating function.

Those skilled in the art can easily understand that the control unit is a general control method in the prior art, for example, a temperature control of a general electric blanket or a hot water heating blanket, and a timer.

Preferably, a temperature sensing probe is inserted in the return air passage layer, the control unit includes a temperature control circuit board, and the temperature sensing probe, the fan, and the heating element are respectively in the temperature control circuit board. Be connected.

Preferably, the air supply tract layer and the return tract layer are a combination of one or more of a macroporous reticulated sponge layer, a three-dimensional mesh cloth layer, and a POE polymer 3D yarn layer.

The return air separation layer is one or more selected from a neoprene fabric layer, a needle punch cotton layer, a woven fabric layer, a non-woven fabric layer, a sponge composite fabric layer, an airgel fabric layer, an EVA layer, an XPE layer, and an EPE layer. It is a combination of.

Preferably, the air supply separation layer is one selected from a neoprene fabric layer, a needle punch cotton layer, a woven fabric layer, a non-woven fabric layer, a sponge composite fabric layer, an airgel fabric layer, an EVA layer, an XPE layer, and an EPE layer. Or it is a combination of multiple layers.

Preferably, the bottom layer is one or a combination of a neoprene fabric layer, a quilted fabric layer, an EVA composite fabric layer, a sponge composite fabric layer, and an airgel fabric layer.

The surface layer is one or a combination of a plurality of layers selected from a woven fabric layer, a quilted fabric layer, an air layer fabric layer, and a leather layer.

Compared with the prior art, the technical solution of the present invention has the following beneficial effects.

(1) The air blower for a hot air circulation mat of the present invention blows air through at least two air passages, and the temperature of the air flowing through the air passages to which the heating element is not attached flows through the air passages to which the heating element is attached. The air flowing through the air passages with and without the heating element, which is lower than the temperature of the wind, is simultaneously supplied to the inside of the warm air circulation mat, and the high temperature of the air supply part of the warm air circulation mat is effective. The heat inside the mat body can be transferred more evenly, thereby eliminating the potential risk of low temperature burns caused by local overheating of the air supply site of the mat body. At the same time, by increasing the thickness of the separation layer and the bottom layer in the air supply part of the mat body, it is not necessary to overcome the problem of local overheating of the air supply part, the surface of the mat body becomes flatter, and the comfort is higher. The blower of the present invention has a compact structure, a small volume, a small noise, and a high operating efficiency.

(2) In the warm air circulation mat of the present invention, the air supply passage layer and the return air passage layer are separated by the return air separation layer, and the air provided by the blower enters the air supply passage layer from the air outlet, and then continues. Then, it enters the return air passage layer upward via the return air inlet, then flows through the return air passage layer and enters the air supply port. When installed in this way, not only the high temperature of the air supply part of the air supply passage layer is effectively lowered, but also the air flowing through the return air passage layer undergoes further thermal equilibrium processing with respect to the temperature distribution inside the mat body. The temperature difference between different regions of the mat body surface can be reduced to the maximum, whereby the heat of the mat body surface can be distributed more evenly and the comfort is high. In addition, the wind inside the mat body circulates smoothly, the heat energy utilization rate is high, and the energy consumption is greatly reduced. At the same time, the structure of the mat body of the present invention is simplified, which helps to reduce the material cost and improve the production efficiency.

(3) The air supply and return air passage layers are made of materials with a three-dimensional mesh structure, such as macroporous mesh sponge, three-dimensional mesh fabric, and POE polymer 3D yarn, for smooth supply and heat dissipation of return air. It can provide a road, help reduce the temperature difference in different areas of the mat body surface, and also have good support and impact resilience, which can fit snugly to the body line during sleep and enhance the comfort of the human body. ..

It is a structural schematic diagram of the blower device which concerns on Example 1 of this invention. It is a left side view of FIG. It is a front view of FIG. It is a left side view of the blower to which the 1st connection part was attached. It is a structural schematic diagram of the blower device which concerns on Example 1. (the blower port includes the blower port main body and the 2nd connection part). It is a structural schematic diagram of the blower of Example 1 which attached the upper blocking plate to the blower port. It is an exploded view of the structural schematic diagram of the warm air circulation mat of Example 2 (without an outer cover or a edging layer). It is a top view of the warm air circulation mat of Example 2 seen from the upper side of the return air separation layer. It is one cross-sectional schematic diagram of the warm air circulation mat of Example 2 cut along the center of the fan of the blower. It is a locally enlarged view of the blower port portion of the blower of the warm air circulation mat of Example 2 (the upper blocking plate is attached to the blower port). It is a locally enlarged view of the blower port portion of the blower of the warm air circulation mat of Example 2 (the upper blocking plate is attached to the blower port). FIG. 5 is an exploded view of a schematic structure of a warm air circulation mat to which an air supply pipe of Example 3 is attached (without an outer cover or a edging layer). FIG. 3 is a locally enlarged view of a portion where the air supply device of the warm air circulation mat of Example 3 and the air supply pipe are connected. It is a locally enlarged view of the part where the air supply device of the warm air circulation mat of Example 3 and the air supply pipe are connected (at the air outlet, blocking plates are attached above and below the air supply pipe). It is a distribution schematic diagram of one kind of the air supply pipe of Example 3 (a plurality of small air supply small holes are opened in the air supply pipe). It is a distribution schematic diagram of one kind of air supply pipe of Example 3. FIG. It is an exploded view of the structural schematic diagram of the warm air circulation mat of Example 4 (without an outer cover or a edging layer). It is one cross-sectional schematic diagram of the warm air circulation mat of Example 4 cut along the center of the fan of the blower. It is a locally enlarged view of the structural schematic diagram when the blower is provided outside the mat body.

Hereinafter, the blower device for a hot air circulation mat and the hot air circulation mat of the present invention will be further described with specific examples and preferred examples. As a matter of course, the following examples are for explaining the present invention and do not limit the scope of the present invention.

Next, the present invention will be further described with reference to specific examples.

[Example 1] Blower for hot air circulation mat As shown in FIGS. 1 to 4, the blower for hot air circulation mat of this embodiment is provided on the inside or outside of the hot air circulation mat, and the hot air circulation mat is provided. Used to blow air into the circulation mat, it includes a fan 10, a PTC heating element 20, and a control unit 30 where it is used.
The fan 10 has an air supply port 13 and an air outlet 11, and the air outlet 11 is provided with a three-layer hollow air passage 12, which is an upper air passage 121, an intermediate air passage 122, and a lower air passage 123, respectively. Is. One such PTC heating element 20 is mounted in the intermediate air passage 122. The operation of the fan 10 and the PTC heating element 20 is controlled by the control unit 30.

When the blower supplies warm air, the air flowing through the intermediate air passage 122 to which the PTC heating element 20 is attached is heated by the PTC heating element 20 and supplied to the inside of the warm air circulation mat. The air flowing through the upper air passage 121 and the lower air passage 123 to which the PTC heating element 20 is not attached is simultaneously supplied to the inside of the warm air circulation mat.

When installed in this way, the temperature of the wind flowing through the upper air passage 121 and the lower air passage 123 is lower than the temperature of the air flowing through the intermediate air passage 122, so that the temperature of the air supply portion of the mat body can be lowered. The high temperature of the air supply part of the hot air circulation mat (that is, the part where the temperature of the hot air circulation mat adjacent to the air outlet is high) is effectively lowered, whereby the heat inside the mat body becomes more uniform. It can be transmitted and eliminates the potential danger of low temperature burns caused by local overheating of the air supply area of the mat body. At the same time, by increasing the thickness of the separation layer and the bottom layer in the air supply part of the mat body, it is not necessary to overcome the problem of local overheating of the air supply part, the surface of the mat body becomes flatter and the comfort is higher. .. The blower of the present invention has a compact structure, a small volume, a small noise, and a high operating efficiency.

In this embodiment, the three-layer hollow air passage 12 may be a three-passage air passage having another type, for example, a left-right distribution, that is, a left air passage, an intermediate air passage, and an intermediate air passage, respectively. Install in the right air passage. Of course, the three-layer hollow air passage 12 may be in another possible distribution format in the prior art.

In this embodiment, the number of passages in the air passage 12 is at least two, but the number is not limited to this. A person skilled in the art can reasonably install the number of passages of the air passage 12 and the distribution form of the air passage 12 of at least two passages (for example, a circumferential distribution, and the heating element is a heating element). The installed air passage is in the middle, and the air passage without the heating element is like being around, in which case the more suitable heating element is a flake heating element, a rod heating element or a spiral heating element. (It is a wire), similarly, it is possible to realize a temperature drop with respect to the air supply portion of the mat body.

In this embodiment, the number of the PTC heating elements 20 is not limited. Those skilled in the art can reasonably install the number of the PTC heating elements 20 as needed. The plurality of PTC heating elements 20 may be mounted in different air passages 12.

Preferably, the air outlet 11 is provided with at least three hollow air passages, of which the PTC heating element 20 is mounted in at least one air passage 12. When installed in this way, the number of passages in the air passage 12 is more rational, the structure is simple, it is easy to handle, and the wind leaving the air passage 12 to which the PTC heating element 20 is attached is installed. It lowers the temperature and helps to lower the temperature of the air supply part of the blower and the mat body.

Preferably, the number of the PTC heating elements 20 is 1, and the temperature of the heated wind can be adjusted by adjusting parameters such as the heating power of the PTC heating element and the rotation speed of the fan.

Of course, the PTC heating element can be replaced by one of the other heating elements in the prior art, such as a heating film, a heating sheet or a heating wire. The air flowing through the air passage 12 to which the heating element 20 is attached is heated by the heating element and supplied to the inside of the warm air circulation mat. The air flowing through the air supply passage layer to which the heating element is not attached enters the inside of the warm air circulation mat at the same time. However, by comparison, the PTC heating element is a preferable component because it has low thermal resistance, high heat exchange efficiency, can generate heat without ignition, has a unique self-temperature limiting function, and has high safety.

In this embodiment, the heating film may be a general heating film in the prior art, for example, a polyimide metal heating film, a graphene heating film, or the like, and is preferably a polyimide metal heating film. The heat-generating sheet may be a ceramic heat-generating sheet, silica gel heat-generating sheet, mica heat-generating sheet, MCH heat-generating sheet, conductive silicon heat-generating sheet, carbon crystal heat-generating sheet, aluminum foil heat-generating sheet, or the like, and is preferably a ceramic heat-generating sheet.

Those skilled in the art can easily understand that the control unit 30 may be a general temperature controller in the prior art. For example, the temperature controller and temperature control method of a controlled electric blanket in which a temperature sensitive device is mounted in a flexible member (for example, a rubber casing) generally uses two control methods:
(1) A method that automatically adjusts the input power as the temperature changes.
(2) A method that automatically starts and stops based on the set temperature.

The method used in this embodiment is a method of automatically starting and stopping based on the set temperature, and one of the operation methods can be specifically set as follows.

When the blower 200 is activated and the temperature of the mat body 100 does not reach a temperature 1 ° C higher than the set temperature, the PTC heating element 20 and the fan 10 operate normally, and the mat body 100 is in a heated state. It is in. When the temperature becomes 1 ° C. higher than the set temperature, the PTC heating element 20 and the fan 10 stop operating, and the mat body 100 is in a lowered temperature state. When the temperature of the mat body 100 becomes 1 ° C. lower than the set temperature, the PTC heating element 20 and the fan 10 are restarted, and the mat body 100 is in a heated state. In this way, the operating states of the PTC heating element 20 and the fan 10 are repeatedly started and stopped to maintain a relative constant temperature within a small temperature difference range of the mat body 100, and an optimum sensible experience suitable for a comfortable sleep of a person. Guarantee the temperature.

Preferably, a temperature control circuit board is provided in the control unit 30, and the fan 10, the PTC heating element 20, and the temperature sensing probe 170 mounted in the mat body 100 are connected to the temperature control circuit board. To. The control unit 30 is provided on one side of the mat body 100 and can be integrated with the mat body 100. It can also be installed outside the mat body 100 in the form of an independent temperature controller and connected to the blower 200 via a conductor.

In this embodiment, the control unit 30 is in the form of an independent temperature controller. When installed in this way, all controls are concentrated on the temperature controller, the control method is simplified, and it is easy to operate.

As shown in FIG. 2, according to the present invention, the PTC heating element 20 is fixed in the air passage 12 by the PTC fixing frame strip 21.

As shown in FIGS. 3 and 4, according to some preferred embodiments of this embodiment, the blower further includes a first connection 40. One end of the first connection portion 40 is connected to an intermediate air passage 122 in which the PTC heating element 20 is attached in the air outlet 11. The other end communicates with the air supply passage layer of the warm air circulation mat.

When the air supply pipe is attached in the air supply passage layer, the other end of the first connection portion 40 is connected to the air supply pipe.

In this case, preferably, the first connection portion 40 has a fan-shaped structure as a whole. The small-diameter end of the fan-shaped structure is connected to the air passage to which the PTC heating element 20 is attached, and the large-diameter end is connected to the air supply pipe. When installed in this way, the dimensions and shape of the large-diameter end of the first connection can be flexibly arranged based on the number and diameter of the air supply pipes, and the efficiency of supplying hot air and the air supply pipes can be arranged. Assembling efficiency can be improved.

Of course, those skilled in the art can easily understand that the first connection portion 40 may be of a cylindrical type and a trumpet type as a whole, and in this case, the air supply pipes are superposed in two rows or a plurality of rows. Can be connected. The first connection 40 may have other possible structures in the prior art.

As can be easily understood by those skilled in the art, in the prior art, there may be a plurality of specific connection types between the air supply pipe and the first connection portion 40, for example, the other end of the first connection portion 40. An air supply pipe insertion port is provided inside, and the air supply pipe insertion port is inserted into and connected to the air supply pipe.

As shown in FIG. 5, according to some preferred embodiments of the present embodiment, the air outlet 11 has an air outlet main body 111 and a second connection portion 112 removably connected to the air outlet main body 111. Including, the air passages 12 are all provided in the second connecting portion 112. In the second connection portion 112, the air passage 12 to which the PTC heating element 20 is attached communicates with the inside of the warm air circulation mat.

With this installation, if the PTC heating element 20 or the second connection 112 needs to be attached or replaced, only the second connection 112 needs to be attached and removed, thus allowing for more installation and maintenance. It will be easier.

Preferably, there are insertion ports at both ends of the second connection portion 112, and the second connection portion 112 is connected to the air outlet main body 111 and the first connection portion 40 via the insertion port. With such an installation, the attachment and detachment of the second connection portion 112 becomes very easy.

As shown in FIG. 6, according to some preferred embodiments of the present embodiment, the blower further includes an upper blocking plate 14, each of which is fixed to the upper surface of the blower port 11. ..

Since the material of the mat body is generally soft, if it is installed in this way, it is possible to prevent the layer surface inside the mat body adjacent to the upper surface of the air outlet 11 from being crushed and blocking the air outlet 11. The ventilation efficiency of the device 200 is improved and the potential danger is reduced.

[Example 2] Warm air circulation mat As shown in FIGS. 5 and 7 to 9, the warm air circulation mat of the present embodiment includes a mat main body 100 and a blower device 200 of the first embodiment as a basic structure. The air outlet 11 includes an air outlet main body 111 and a second connection portion 112 removably connected to the air outlet main body 111, and the air passage 12 is provided in the second connection portion 112. In the second connection portion 112, the air passage 12 to which the heating element 20 is attached communicates with the inside of the warm air circulation mat.

Here, the mat body 100 includes an air supply path layer 110 and a return air passage layer 120 having a three-dimensional mesh structure, and the air supply path layer 110 is located between the air supply path layer 110 and the return air passage layer 120. And the return air passage layer 120 are separated from each other, and the return air separation layer 130 which plays a role of heat insulation and heat retention is provided. A return air inlet 131 is opened in the return air separation layer 130.

The air outlet 11 of the blower device 200 communicates with the air supply passage layer 110 via the second connection portion 112, and the air provided by the blower device 200 passes through the second connection portion 112 from the blower port 11. It enters the air supply passage layer 110 via the air supply passage layer 110, and then enters the return air passage layer 120 upward via the return air inlet 131.

As can be easily understood by those skilled in the art, the wind entering the air supply port 13 of the blower device 200 may be fresh air from the outside, or may be the wind circulating in the return air passage layer 120 and returning. Well, preferably both, that is, a small portion of the wind flowing through the return air passage layer 120 permeates the external environment of the mat body, and most of the air supply passage is passed through the air supply port 13 of the blower device 200. Returning to the layer 110, a small amount of fresh air in the external environment enters the air supply port 13 of the blower 200 at the same time, and the air volume is replenished.

As shown in FIGS. 7 to 9, preferably, the return air separation layer 130 has a return air outlet 132 opened above the air supply port 13 of the fan 10, and the wind flowing through the return air passage layer 120 is returned. It enters the air supply port 13 through the air outlet 132, and circulation air is realized.

In this case, the blower 200 is preferably attached so as to be embedded in one end of the air supply path layer 110. The wind provided by the blower 200 can quickly enter the air supply path layer 110 directly, and the return air circulated by the return air passage layer 120 is the return air outlet of the return air separation layer 130. Circulating air is realized by entering the air supply port 13 of the fan 10 downward from 132. As a matter of course, as shown in FIG. 19, the blower 200 can be attached to the outside of the mat body 100, the return air outlet 132 is provided on one side of the edging strip 160, and a return air passage (not shown). ) To communicate with the air supply port 13.

Preferably, as shown in FIG. 9, the mat body 100 is laid below the air supply passage layer 110, and is laid above the bottom layer 140 having a heat retaining / insulating function and the return air passage layer 120. A layer 150 and a edging strip 160 are further included, and the outer edges of the bottom layer 140, the air supply tract layer 110, the return air separation layer 130, the return air passage layer 120, and the surface layer 150 are wrapped by the edging strip 160.

The blower 200 may be attached to the inside of the mat body 100, or may be attached to the outside of the mat body 100.

More preferably, as shown in FIG. 19, at least two air supply inlets 161 and return air outlets 132 are opened at the side surface portions of the edging strip 160 on one side of the mat body 100. The air supply inlet communicates with the air supply passage layer 110. The return air outlet 132 communicates with the air supply port 13 of the blower device 100.

In this case, the blower 200 is attached to the outside of the mat body 100, and the blower port 11 of the blower device 200 communicates with the air supply inlet 161 or the blower port 11 communicates with the air supply port 161. Inserted into the air supply passage layer 110, the return air outlet 132 communicates with the air supply port 13 of the air blower 100.

Preferably, as shown in FIG. 7, a temperature sensing probe 170 is inserted in the return air passage layer 120, the control unit 30 includes a temperature control circuit board, and the temperature sensing probe 170, the fan 10, and the like. And the heating element 20 are connected to the temperature control circuit board, respectively. The temperature sensing probe 170 detects the temperature in the return air passage layer 120 in real time and feeds it back to the temperature control circuit board in real time, which is useful for detecting and controlling the temperature of the mat body 100.

The control unit 30 may use a temperature controller having a timer function which is common in the conventional temperature control technique. The temperature controller used in this embodiment is a temperature control type temperature controller of model number MOT-6320B manufactured by Taicang Daiho Electric Co., Ltd. The specific operation steps are as follows.

1) Press the "Power" button to power on the temperature controller and the blower 200 to start operation, and press the "Power" button again to power off the temperature controller and blower. 200 stops the operation.

2) When the "Function" button is pressed while the temperature controller is powered on, the temperature indicator lamp lights up. At this time, the temperature can be set by pressing the "+" and "-" buttons, and the temperature setting is completed. After 3 seconds, the temperature controller returns to display the current temperature. If the set temperature is higher than the current temperature, the temperature controller will start heating, at which time the heating lamp will light up. If the set temperature is lower than the current temperature, the temperature controller will stop heating and the heating lamp will turn off. In this way, it starts and stops repeatedly to maintain a relative constant temperature.

3) When the "function" button is pressed, the timer indicator lamp lights up, and at this time, the timer can be set by pressing the "+" and "-" buttons. Three seconds after the timer setting is complete, the temperature controller will return to display the current temperature. When the set time of the timer is reached, the temperature controller stops heating and displays "---".

4) Has a memory function. Each time it is powered on, it is automatically set to the previously set temperature and time settings, effectively avoiding repeating the same operation before going to bed.

5) The temperature and time can be set freely. For example, if you have a cold or want to sweat, you can raise the set temperature appropriately.

By using such a control method, simpler setting and operation of functions essential for heating products that are in close contact with the body can be realized, and there is a rigid demand for health heating products that are in close contact with the body such as the elderly, infants, pregnant women, and pregnant women. Especially suitable for certain groups.

Preferably, as shown in FIG. 10, the upper blocking plate 14 is attached to the blower port 11 of the blower device 200. The upper blocking plate 14 is fixed to the upper surface of the air outlet 11. Since the material of the mat body is generally soft, if it is installed in this way, it is possible to prevent the layer surface inside the mat body adjacent to the upper surface of the air outlet 11 from being crushed and blocking the air outlet 11. Improve the ventilation efficiency of the device 200 and reduce the potential danger.

As a matter of course, as shown in FIG. 11, similarly to the upper blocking plate 14, a wind guiding blocking plate 15 extending outward can be added between the adjacent air passages 12. When installed in this way, the wind guiding blocking plate 15 can guide the wind in the air passage and blow the air more smoothly.

According to the present invention, the supply air passage layer 110 and the return air passage layer 120 can use a material layer having a three-dimensional mesh structure in the prior art, whereby ventilation can be effectively realized. And has a certain hardness to support.

Preferably, the air supply path layer 110 and the return air passage layer 120 are one or a combination of a macroporous net-like sponge layer, a three-dimensional mesh cloth layer, and a POE polymer 3D yarn layer.

As the return air separation layer 130, a material layer having a general wind blocking, heat insulating, and heat retaining effect in the prior art is used.

The return air separation layer 130 is preferably one or more of a neoprene fabric layer, a needle punch cotton layer, a woven fabric layer, a non-woven fabric layer, a sponge composite fabric layer, an airgel fabric layer, an EVA layer, an XPE layer, and an EPE layer. It is a combination of layers.

According to the present invention, the bottom layer 140 preferably uses a material layer having a heat insulating / insulating function in the prior art. Preferably, the bottom layer 140 is one or a combination of a neoprene fabric layer, a quilted fabric layer, an EVA composite fabric layer, a sponge composite fabric layer, and an airgel fabric layer.

The surface layer 150 is a general surface layer in the prior art, for example, a chemical fiber fabric layer or a pure cotton fabric layer. The surface layer 150 is preferably a combination of one or more of a woven fabric layer, a quilted fabric layer, an air layer fabric layer, and a leather layer.

Preferably, the bottom of the bottom layer 140 is provided with a non-slip function.

The POE polymer 3D thread layer is an elastic material layer extruded from a POE plastic device and manufactured by a production line, and has a very abundant irregularly entangled thread-like pore passage structure inside, which is further excellent. It has impact resilience and is generally used in the manufacture of elastic mattresses.

The three-dimensional mesh cloth layer is a double needle bed tricot mesh cloth, and is a three-dimensional three-dimensional mesh cloth structure composed of two upper and lower tricot mesh cloths and a polyester single yarn connecting them in the middle. Generally, the upper and lower two surfaces are polyester, the intermediate connecting yarn is polyester single yarn, and the thickness is generally 2-20 mm. An openwork three-dimensional structure that allows internal air to flow freely, with more than one million support points formed by its unique two-sided mesh and intermediate three-dimensional "X-90 degree" single thread support structure. And good support and impact resilience are shown.

EVA layer: EVA is an ethylene-vinyl acetate (vinyl acetate) copolymer, which is a foaming material and is widely used for baby crawl mats, heat insulating mats and the like.

XPE layer: XPE is a chemically cross-linked polyethylene foam material. The XPE layer is a polyethylene foam material layer formed by using a low-density polyethylene resin, adding a cross-linking agent and a foaming agent, and undergoing continuous high-temperature foaming.

EPE layer: EPE is polyethylene foam, also called Miramat, and has a non-crosslinked closed cell structure. The EPE layer is a highly foamed polyethylene layer produced by extrusion using low density polyethylene as a main raw material.

The EVA composite fabric layer refers to a fabric layer in which an EVA material and a material such as a cloth fabric are integrally composited by bonding or using a technique such as ultrasonic waves.

The sponge composite fabric layer refers to a fabric layer in which a sponge and a material such as a cloth fabric are integrally composited by bonding or using a technique such as ultrasonic waves.

The warm air circulation mat of this embodiment can be operated as follows at the time of use.

(1) The control unit 30 activates the blower 200, the heating element 20 generates heat, and the warm air heated by the heating element 20 and the unheated natural air are along the respective air passages 12. It enters the air supply passage layer 110, and then enters the return air passage layer 120 upward through the return air inlet 131. The warm air is uniformly distributed in the supply air passage layer 110 and the return air passage layer 120 to realize a uniform distribution of heat, and most of the wind after passing through the return air passage layer 120 is the return air outlet 132. The air supply port 13 is entered through the air supply port 13, whereby circulating air supply is realized.

(2) The control unit 30 monitors the temperature in the return air passage layer 120 in real time by the temperature sensing probe 170, and further activates the operation of the heating element 20 and the fan 10 by the temperature control module of the temperature control circuit board. , Controlling the stop, thereby controlling the temperature of the mat body 100.

[Example 3] Warm air circulation mat As shown in FIGS. 12 and 13, the basic structure of this embodiment is the same as that of the second embodiment, and the differences are as follows.

A plurality of air supply pipes 180 are attached so as to be embedded in the air supply passage layer 110, and one end of the air supply pipe 180 communicates with the air passage 12 to which the heating element 20 is attached.

The air flowing through the air passage 12 to which the heating element 20 is attached is heated by the heating element and supplied to the inside of the air supply passage layer 110 via the air supply pipe 180, thereby achieving heat transfer efficiency and heat. The transmission distance is improved. The air flowing through the air passage 12 to which the heating element 20 is not attached is supplied to the periphery of the air supply pipe 180 inside the air supply passage layer 110, whereby the air supply portion of the air supply passage layer 110 is high. The temperature is lowered.

As shown in FIG. 14, the upper blocking plate 14 and the bottom blocking plate 16 are attached to the blower port 11 of the blower device 200. The upper blocking plate 14 and the bottom blocking plate 16 are fixed to the upper surface and the bottom surface of the air outlet 11, respectively. Since the material of the mat body is generally soft, if it is installed in this way, it is possible to prevent the layer surface inside the mat body adjacent to the upper surface of the air outlet 11 from being crushed and blocking the air port 11. It is possible to prevent the layer surface inside the mat body connected to the bottom surface of the air outlet 11 from projecting to block the air outlet 11. Therefore, the ventilation efficiency of the blower 200 is improved and the potential danger is reduced.

Those skilled in the art can easily understand that there are many methods for uniformly distributing the heat inside the air supply passage layer 110.

As shown in FIG. 15, for example, a plurality of sets of air supply small holes may be formed in the pipe wall of the air supply pipe 180. A person skilled in the art will determine the diameter, number, and length of the air supply pipe 180, and the position of the air supply small holes in each set, based on the dimensions of the mat body 200 and the temperature distribution state of different regions on the surface of the mat body 200. And the diameter of the air supply small hole is flexibly arranged to uniformly distribute the heat of the different regions of the mat body 200, thus minimizing the temperature difference between the different regions of the surface of the mat body 200. ..

As shown in FIG. 16, for example, there is a warm air outlet at the end of the air supply pipe 180, and the diameter of the air supply pipe 180 is based on the dimensions of the mat body 200 and the temperature distribution state of different regions on the surface of the mat body 200. , Numbers, and lengths are flexibly arranged to evenly distribute the heat in different regions of the mat body 200, thus minimizing the temperature difference between the different regions of the surface of the mat body 200.

Further, it may be a combination of the above two cases. It may also be another possible form in the prior art.

According to the present invention, the shape and material of the air supply pipe 180 need not be limited. For example, a silica gel hose or a plastic hose may be used as the air supply pipe 180, one single-cavity pipe may be used, or a two-cavity pipe may be used.

The warm air circulation mat of this embodiment is operated as follows at the time of use.

(1) The control unit 30 activates the blower device 200, the heating element 20 generates heat, and the warm air heated by the heating element 20 enters the air supply pipe 180 along the air passage 12 and enters the air supply pipe 180. The amount of hot air supplied into the air supply passage layer 110 via 180 and the distance from the air outlet 11 is longer, the larger the amount of hot air supplied. The unheated natural wind is supplied along the air passage 12 around the air supply pipe 180 in the air supply passage layer 110, and then upward through the return air inlet 131. The return air passage layer 120. to go into. The warm air flows and is evenly distributed in the return air passage layer 120, and most of the wind after passing through the return air passage layer 120 enters the air supply port 13 through the return air outlet 132, thereby entering the air supply port 13. Circular ventilation is realized.

(2) The control unit 30 monitors the temperature in the return air passage layer 120 in real time by the temperature sensing probe 170, and further starts and stops the operation of the heating element and the fan by the temperature control module of the temperature control circuit board. Is controlled, thereby controlling the temperature of the mat body 100.

[Example 4] Warm air circulation mat As shown in FIG. 17, the basic structure of this embodiment is the same as that of the second embodiment, and the differences are as follows.

The air supply path layer 110 is composed of an upper air supply path layer 113, an intermediate air supply path layer 114, and a lower air supply path layer 115. A first air supply separation layer 190a and a second air supply separation layer 190b are laid between the upper air supply passage layer 113, the intermediate air supply passage layer 114, and the lower air supply passage layer 115, respectively. The first air supply separation layer 190a and the second air supply separation layer 190b are provided with a first opening 191 and a second opening 192 below the return air inlet 131, respectively. The wind flowing through the lower air supply passage layer 115 and the intermediate air supply passage layer 114 joins with the wind flowing through the upper air supply passage layer 113 through the first opening 191 and the second opening 192, and the return air inlet 131. Enters the return air passage layer 120 upward through.

Correspondingly, the air outlet 11 of the air blower 200 is provided with three hollow air passages such as upper, middle, and lower, and the heating element 20 is mounted in the intermediate air passage. The wind flowing through the air passage 122 in the middle to which the heating element 20 is attached is heated by the heating element and supplied to the inside of the air supply passage layer 110 in the intermediate layer. The wind flowing through the upper and lower air passages 121 and 123 to which the heating element 20 is not provided is supplied to the inside of the upper air supply passage layer 113 and the lower air supply passage layer 115, respectively, whereby the air supply passage layer. The high temperature of the air supply part of 110 is lowered.

As a matter of course, those skilled in the art can easily understand that the number of layers of the air supply passage layer 110 is at least two, but the number of layers is not limited to this. Those skilled in the art can reasonably install the number of layers of the air supply passage layer 110 as needed. An air supply separation layer is laid between two adjacent air supply passage layers 110. The air supply separation layer is provided with an opening below the return air inlet 131. The wind flowing through at least two air supply passage layers 110 enters the return air passage layer 120 upward through the opening and the return air inlet 131.

Correspondingly, at least two hollow air passages 12 are provided in the air outlet 11 of the air blower 200, and the heating element 20 is mounted in one of the air passages 12. The air flowing through the air passage 12 to which the heating element 20 is attached is heated by the heating element and supplied to the inside of one of the air supply passage layers 110. The wind flowing through the air passage not provided with the heating element 20 is supplied to the inside of the remaining air supply passage layer 110, whereby the high temperature of the air supply portion of the air supply passage layer 110 is lowered.

As the air supply separation layer, a material layer having general wind blocking, heat insulating, and heat retaining effects in the prior art is used, preferably a neoprene fabric layer, a needle punch cotton layer, a woven fabric layer, a non-woven fabric layer, and a sponge composite. It is one or a combination of a dough layer, an airgel dough layer, an EVA layer, an XPE layer, and an EPE layer.

[Example 5] Temperature detection test of warm air circulation mat In the prior art, generally, when the temperature difference between the air supply end and the end of the warm air circulation mat is 10 ° C. or less, a good uniform heating effect is obtained. Is considered to have been achieved, and if it is 5 ° C. or lower, it is considered to have a fairly good uniform heating effect.

In Examples 2 to 4, a three-dimensional mesh cloth layer is used for both the supply air passage layer 110 and the return air passage layer 120. The length x width x thickness of the mat body 100 is 200 x 100 x 4 cm. The blower port 11 of the blower device 200 is composed of a blower port main body and a second connection portion. Three layers of air passages such as upper, middle, and lower were provided in the second connection portion, and the PTC heating element was installed in the intermediate air passage and blown out from the intermediate air passage to which the PTC heating element was attached. The temperature of the hot air is 80 ° C. and the wind speed is 4.5 m / s.

In Example 3, six air supply pipes 180 are used, and one air supply pipe 180 has an inner diameter of 10 mm, an outer diameter of 13 mm, and a length of 135 cm to 145 cm. The pipe wall of one air supply pipe 180 is provided with 4 to 6 sets of air supply small holes, the diameter of the air supply small holes is 4 mm, and each set has two holes. The air supply pipe 180 is a single cavity silica gel hose.

The air supply passage layer 110 of the fourth embodiment is composed of an upper air supply passage layer, an intermediate air supply passage layer, and a lower air supply passage layer.

The blower 200 is attached to the left side of the air supply end of the mat body 100, the temperature sensing probe 170 is provided at an intermediate portion of the middle end of the mat body 200, and the surface of the mat body 100 is covered with a futon and tested. The environmental temperature is 26 ° C., and the set temperature of the control unit 30 is 50 ° C. Tables 1 and 2 show the results of detecting the temperature of different regions on the surface of the mat body 100 using a temperature detector having a plurality of probes 30 minutes and 60 minutes after starting the blower. ..

As shown in Table 1, 30 minutes after the air is blown, all of the three types of warm air circulation mats of Examples 2 to 4 can quickly and effectively heat the warm air circulation mat, and the left side of the air supply end. The temperature range of is 39 to 40 ° C., which is much smaller than the temperature of hot air blown from the air passage, which is 80 ° C., and does not cause low-temperature burns to the human body under these temperature conditions. The temperature difference between different regions on the surface of the mat body 100 of the three types of warm air circulation mats of Examples 2 to 4 is small.

As can be seen after calculating the data in Table 1, the maximum temperature difference between the air supply end and the end of Example 2 is 10 ° C. The maximum temperature difference between the air supply end and the end of Example 3 is 5 ° C. The maximum temperature difference between the air supply end and the end of Example 4 is 9 ° C. In Example 2, the temperature values on the middle and right sides are both lower than those in Example 3 and Example 4. From this point of view, the temperature difference between the different regions on the surface of the mat body 100 of Example 3 and the fourth embodiment is smaller, and the temperature difference between the different regions of the surface of the mat body 100 of Example 3 is the smallest. Further, 30 minutes after blowing the air, the temperature distribution of the warm air circulation mat of Example 3 achieves a good effect.

As shown in Table 2, 60 minutes after the air is blown, all of the three types of warm air circulation mats of Examples 2 to 4 can realize heating to the warm air circulation mat, and the temperature range on the left side of the air supply end is The temperature is 46 to 48 ° C., which is lower than the temperature of hot air blown from the air passage is 80 ° C. The temperature difference between different regions on the surface of the mat body 100 of the three types of warm air circulation mats of Examples 2 to 4 is small.

As can be seen from the calculation of the data in Table 2, the maximum temperature difference between the air supply end and the end of Example 2 is 18 ° C. The maximum temperature difference between the air supply end and the end of Example 3 is 5 ° C. The maximum temperature difference between the air supply end and the end of Example 4 is 10 ° C. In Example 2, the temperature values on the middle and right sides are both lower than those in Example 3 and Example 4. From this point of view, the temperature difference between the different regions on the surface of the mat body 100 of Example 3 and the fourth embodiment is smaller, the temperature difference between the different regions of the surface of the mat body 100 of Example 3 is the smallest, and the ventilation time. However, the temperature of the entire mat body 100 of the third embodiment rises with the extension of the above, but the maximum temperature difference is basically the same.

In summary, the temperature difference between different regions on the surface of the mat body 100 of Example 3 is the smallest and may be the preferred solution under conventional conditions. Further, the heating time of Example 3 is preferably controlled to 30 to 60 minutes, so that the requirement of the heating temperature of the mat body can be satisfied. The temperature at the time of heating for 60 minutes in Example 3 is suitable for removing mites.

As a matter of course, as those skilled in the art can easily understand, the thicker the return air separation layer 130 and the air supply separation layer 190 are, the higher the heat insulating performance is, and the temperature difference between different regions on the surface of the mat body 100 is high. small. In the future, with the improvement and improvement of the performance of the return air separation layer and the supply air separation layer material, the return air separation layer 130 and the supply air separation layer become thinner, so that good heat insulation performance can be realized. In this case, the technical solution of Example 2 and Example 4 eliminates the need to provide an air supply pipe, thus simplifying the structure, keeping costs down, and achieving a good heating effect. This is a more preferred technical solution.

In the warm air circulation mat of the present invention, the recommended set temperature value for dehumidifying and removing mites is 45 ° C, the recommended set temperature for sleeping is 32 to 35 ° C, and it is strictly prohibited to exceed 37 ° C. This makes it possible to effectively avoid low-temperature burns caused by local overheating of the air supply end.

The hot air circulation mat of the present invention can effectively reduce the temperature of the air supply end of the air supply passage layer 110 to an appropriate temperature range, thereby causing low-temperature burns due to local overheating of the surface of the mat body 100. Ensure that it does not cause, ensure the safety of human body and life, and maximize comfort. At the same time, the structure of the mat body of the present invention is simplified, the material cost is reduced, and the production efficiency is improved. Further, the temperature difference between the air supply end, the middle part, and the end of the warm air circulation mat of the preferred embodiment 3 of the present invention is more appropriate, so that the heat on the surface of the mat body is more uniform and the comfort of the human body. Is higher. A smooth internal circulation results in higher thermal energy utilization and further reductions in energy consumption.

Although the specific examples of the present invention have been described in detail above, they are exemplary, and the present invention is not limited to the specific examples described above. For those skilled in the art, all such modifications and substitutions made to the present invention shall be within the scope of the present invention. Accordingly, all equal changes and modifications made without departing from the spirit and scope of the invention shall be within the scope of the claims of the invention.

100 Mat body 200 Blower 10 Fan 20 PTC heating element or heating element 30 Control unit 40 1st connection 11 Blower 12 Blower 13 Blower 14 Upper blocking plate 15 Blower blocking plate 111 Blower 112 2nd connection Part 121 Upper air passage 122 Intermediate air passage 123 Lower air passage 21 PTC fixed frame strip 110 Supply air passage layer 120 Return air passage layer 130 Return air separation layer 140 Bottom layer 150 Surface layer 160 Border strip 170 Temperature sensing probe 180 Air supply pipe 190 Air supply separation layer 113 Upper air supply passage layer 114 Intermediate air supply passage layer 115 Lower air supply passage layer 131 Return air inlet 132 Return air outlet 161 Supply air inlet 190a First air supply separation layer 190b Second air supply separation layer 191 First 1 opening 192 2nd opening

Claims (17)

A blower for a hot air circulation mat, including a fan, a heating element, and a control unit, where.
The fan has an air supply port and an air outlet, the air outlet is provided with three hollow air passages, the heating element is installed in the air passage in the middle, and the heating element is attached. The air flowing through the air passage is heated by the heating element and supplied to the inside of the warm air circulation mat, and the air flowing through the air passage to which the heating element is not attached is simultaneously supplied to the inside of the warm air circulation mat. A blower for a warm air circulation mat, wherein the high temperature of the air supply portion of the warm air circulation mat is lowered, and the operations of the fan and the heating element are controlled by the control unit. The blower further includes a first connection, one end of which is connected to the air passage to which the heating element is attached, and the other end of which communicates with the air supply path layer in the warm air circulation mat. The blower device for a warm air circulation mat according to claim 1, wherein the air blower is provided. The first connection portion has a fan-shaped structure as a whole, the small-diameter end portion of the fan-shaped structure is connected to the air passage to which the heating element is attached, and the large-diameter end portion of the fan-shaped structure is the air supply path layer. The blower device for a warm air circulation mat according to claim 2, wherein the air blower is connected to the above. The first aspect of the present invention is characterized in that the blower port includes a blower port main body and a second connection portion that is detachably connected to the blower port main body, and both of the blower passages are provided in the second connection part. The blower for the hot air circulation mat described. The blower further includes an upper blocking plate, which is fixed to the upper surface of the air outlet, whereby the layer surface inside the mat body adjacent to the upper surface of the air outlet is crushed to close the air outlet. The blower device for a warm air circulation mat according to any one of claims 1 to 4 , wherein the blower is prevented. The blower for a hot air circulation mat according to any one of claims 1 to 4 , wherein the heating element is one of a PTC heating element, a heating film, a heating sheet, and a heating wire. A warm air circulation mat including the mat body and the blower according to any one of claims 1 to 6 , wherein the mat is a warm air circulation mat.
The mat body includes a supply air passage layer and a return air passage layer having a three-dimensional mesh structure, and the air supply passage layer and the return air passage layer are separated between the supply air passage layer and the return air passage layer. In addition, a return air separation layer that plays a role of heat insulation and heat retention is laid, and a return air inlet is opened in the return air separation layer.
The air outlet of the air blower communicates with the air supply passage layer, and the air provided by the air blower enters the air supply passage layer from the air outlet, and then goes up through the return air inlet. A warm air circulation mat characterized by entering the return air passage layer. The return air separation layer has a return air outlet opened above the air supply port, and the air flowing through the return air passage layer enters the air supply port through the return air outlet, whereby circulation ventilation is realized. The warm air circulation mat according to claim 7 . A plurality of air supply pipes are attached so as to be embedded in the air supply passage layer, and one end of the air supply pipe communicates with the air passage to which the heating element is attached.
The air flowing through the air passage to which the heating element is attached is heated by the heating element and supplied to the inside of the air supply path layer via the air supply pipe, whereby the heat transfer efficiency and the heat transfer distance are improved. The air flowing through the air passage to which the heating element is not attached is supplied to the periphery of the air supply pipe inside the air supply passage layer, whereby the high temperature of the air supply portion of the air supply passage layer is lowered. The warm air circulation mat according to claim 7 , wherein the hot air circulation mat is provided. The air supply passage layer is composed of at least two layers, an air supply separation layer is laid between the two adjacent air supply passage layers, and the air supply separation layer is provided with an opening below the return air inlet. The wind flowing through at least two supply air passage layers enters the return air passage layer upward through the opening and the return air inlet.
Correspondingly, the air outlet of the air blower is provided with at least two hollow air passages, and the heating element is installed in one of the air passages, and the air heater to which the heating element is attached is installed. The wind flowing through the path is heated by the heating element and supplied to the inside of one of the air supply passage layers, and the wind flowing through the air passage without the heating element is the remaining air supply passage. The warm air circulation mat according to claim 7 , wherein the hot air circulation mat is supplied to the inside of the layer, whereby the high temperature of the air supply portion of the air supply passage layer is lowered. The air supply passage layer is composed of an upper air supply passage layer, an intermediate air supply passage layer, and a lower air supply passage layer, and is adjacent to the upper air supply passage layer, the intermediate air supply passage layer, and the lower air supply passage layer. A first air supply separation layer and a second air supply separation layer are laid between them, respectively, and the first air supply separation layer and the second air supply separation layer are the first opening and the second opening below the return air inlet, respectively. An opening is provided, and the wind flowing through the lower air supply passage layer and the intermediate air supply passage layer joins the wind flowing through the upper air supply passage layer through the first opening and the second opening, and enters the return air inlet. Enter the return air passage layer upward through
Correspondingly, the air outlet of the air blower is provided with three layers of hollow air passages such as upper, middle, and lower, and the heating element is mounted in the air passage of the intermediate layer, and the heating element is installed. The wind flowing through the air passage of the attached intermediate layer is heated by the heating element and supplied to the inside of the air supply passage layer of the intermediate layer, and the heating element is not provided in the upper and lower layers. The claim is characterized in that the wind flowing through the air passage is supplied to the inside of the upper air supply passage layer and the lower air supply passage layer, respectively, whereby the high temperature of the air supply portion of the air supply passage layer is lowered. The warm air circulation mat according to 7 or 10 . The mat body further includes a bottom layer laid below the air supply passage layer, a surface layer laid above the return air passage layer, and a edging strip, and the bottom layer, the air supply passage layer, and the return air separation. The warm air circulation mat according to claim 7 , wherein the outer edges of the layer, the return air passage layer, and the surface layer are wrapped by the edging strip. At least two air supply inlets and a return air outlet are opened in the side surface portion of the edging strip on one side of the mat body, the air supply inlet communicates with the air supply passage layer, and the return air outlet communicates with the return air outlet. The warm air circulation mat according to claim 12 , wherein the mat communicates with the airway layer. A temperature sensing probe is inserted in the return air passage layer, the control unit includes a temperature control circuit board, and the temperature sensing probe, the fan, and the heating element are each connected to the temperature control circuit board. The warm air circulation mat according to claim 7 , characterized in that. The air supply tract layer and the return tract layer are a combination of one or more of a macroporous reticulated sponge layer, a three-dimensional mesh cloth layer, and a POE polymer 3D filamentous layer.
The return air separation layer is one or more selected from a neoprene fabric layer, a needle punch cotton layer, a woven fabric layer, a non-woven fabric layer, a sponge composite fabric layer, an airgel fabric layer, an EVA layer, an XPE layer, and an EPE layer. The warm air circulation mat according to claim 7 , wherein the mat is a combination of the above. The air supply separation layer is one or more selected from a neoprene fabric layer, a needle punch cotton layer, a woven fabric layer, a non-woven fabric layer, a sponge composite fabric layer, an airgel fabric layer, an EVA layer, an XPE layer, and an EPE layer. The warm air circulation mat according to claim 10 , which is a combination of the above. The bottom layer is one or a combination of one or more of a neoprene fabric layer, a quilted fabric layer, an EVA composite fabric layer, a sponge composite fabric layer, and an airgel fabric layer.
The warm air according to claim 12 or 13 , wherein the surface layer is a combination of one or more layers selected from a woven fabric layer, a quilted fabric layer, an air layer fabric layer, and a leather layer. Circulation mat.

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