TW201913018A - Refrigeration device and temperature control module thereof - Google Patents

Abstract

A cooling device and a temperature controlling module of the cooling device are provided to solve the problems of long pre-cooling time and large energy consumption for the cold storage unit. The cooling device includes a gas storage module having a gas tank filled with a high pressure liquid-state gas. A casing includes a chamber connected to the gas storage module by an outlet pipe. A sensor module is mounted to the casing, senses an internal temperature of the chamber with a first sensor, and generates a temperature value. A control module is mounted to the casing and includes a control member coupled to the first sensor and a third valve for opening or closing the outlet pipe. The control member receives the temperature value and controls the third valve to open when the temperature value is not less than a temperature threshold.

Description

   Refrigeration device and temperature control module   

The invention provides a refrigerating device, in particular a refrigerating device for rapidly lowering the temperature by a high-pressure liquid gas.

In the cold chain logistics industry, logistics companies always maintain the specified low-temperature environment in order to keep refrigerated frozen foods from raw material supply logistics, production logistics in food factories, storage and transportation logistics to sales and sales logistics. Therefore, logistics operators usually It is a low-temperature home delivery service provided by a multi-layer truck with refrigeration equipment, or a cold storage box with a reusable cooling battery (Cool Battery). However, due to the high cost of multi-layer trucks, logistics companies mostly use cold storage boxes and cold storage tablets to achieve the effect of keeping refrigerated frozen foods cold.

According to the above, in order to achieve the effect of cold preservation, the cold storage sheet must be pre-cooled to form a frozen state for use in a cold preservation box. However, with the increase of time, the cold storage sheet will gradually withdraw from the frozen state to form a melted state, and lose the cooling effect. Therefore, in order to restore the cold storage sheet from the molten state to the frozen state again, the conventional refrigeration technology is to place the cold storage sheet in a conventional freezing ice store, compress the refrigerant with a compressor, and then evaporate and absorb heat to achieve the effect of heat exchange. Furthermore, the cold storage sheet was pre-cooled and returned to a frozen state. However, in order to completely freeze the cold storage sheet, it is necessary to continuously run the compressor for more than ten hours and consume a lot of power costs.

In view of this, it is necessary to improve the shortcomings of the above-mentioned prior art, such as "the pre-cooling of the cold storage sheet takes too long and consumes energy", in order to meet the actual needs and improve the practicality.

The invention provides a refrigerating device, which can effectively shorten the time required for pre-cooling the cold storage sheet and reduce energy consumption.

The invention also provides a temperature control module of the refrigeration device, which can effectively shorten the time required for pre-cooling the cold storage sheet and reduce energy consumption.

A refrigeration device of the present invention includes: an air storage module having a gas storage bottle filled with a high-pressure liquid gas; a box body having a container chamber therein with an air outlet A tube is connected to the gas storage module; a sensing module is installed in the box; the sensing module senses the internal temperature of the chamber with a first sensing element to generate a temperature value; and A control module is installed in the box. The control module is coupled to the first sensing member and a third valve by a control member. The third valve is used to open or close the air outlet, and the control member receives And it is determined whether the temperature value is greater than a temperature threshold, and if the determination result is yes, the third valve is controlled to open.

Another refrigeration device of the present invention includes: a gas storage module having a gas storage cylinder filled with a high-pressure liquid gas; a box body having a container chamber inside, the container chamber is provided with an outlet An air pipe is connected to the gas storage module. The container has a flow guiding member. The flow guiding member divides the container into a first container and a second container. The flow guiding member is provided with a flow guiding channel. The first chamber is in communication with the second chamber, the first chamber is in communication with the air outlet, the second chamber is in communication with an exhaust port, and a sensing module is installed in the box. The sensor module uses a first sensor to sense the internal temperature of the chamber so as to generate a temperature value; and a control module installed in the box, the control module uses a control member The first sensing element and a third valve are coupled, the third valve is used to open or close the air outlet, the control element receives and judges whether the temperature value is greater than a temperature threshold value, and if the judgment result is yes, then The third valve is controlled to open.

Still another refrigeration device of the present invention includes: an air storage module having a gas storage bottle filled with a high-pressure liquid gas; a box body having a container chamber therein, the container chamber is provided with a A gas outlet pipe is connected to the gas storage module; a partition plate is installed in the storage chamber, and the storage chamber is divided into a storage space and a diversion space, and the storage space is passed through a partition plate. The air flow channel is in communication with the diversion space. The accommodation space has a plurality of flow guides, so that the accommodation space is divided into a first accommodation chamber and a plurality of second accommodation chambers. The first accommodation chamber and the outlet chamber The air ports are communicated, and each of the second chambers is communicated with an exhaust port; a sensing module is installed in the box, and the sensing module senses the interior of the chamber with a first sensor Temperature to generate a temperature value; and a control module installed in the box, the control module is coupled to the first sensing member and a third valve with a control member, the third valve is used to open Or closing the air outlet, the control part receives and judges whether the temperature value is greater than a temperature threshold value, and if the judgment result is yes, controls the first Three valves open.

A temperature control module of a refrigerating device of the present invention includes: a sensing module for being installed in a box with a container inside; the sensing module senses the first sensing element; The internal temperature of the chamber generates a temperature value; and a control module for installation in the box, the control module is coupled to the first sensing element and a third valve with a control element, the first Three valves are used to open or close an air outlet of the box.

According to this, the refrigerating device and the temperature control module of the present invention can inject the high-pressure liquid gas filled in the gas storage bottle into the container, vaporize the high-pressure liquid gas, and further store the refrigerant in the container The tablets are heat exchanged, so that the cold storage tablets can achieve the purpose of cooling. Compared with the conventional refrigeration technology in which a compressor compresses a refrigerant and then evaporates and absorbs heat to achieve the effect of heat exchange, thereby reducing the temperature of the cold storage sheet, the precooling time can be reduced by more than half, and the operation compression is omitted. The electric energy required by the machine is effective, so the invention can achieve the effects of effectively shortening the time required for pre-cooling the cold storage sheet and reducing energy consumption.

Wherein, the box has another exhaust port. In this way, it has the effect of maintaining the internal pressure of the chamber.

Wherein, the sensing module senses the internal pressure of the chamber with a second sensing element, so as to generate a pressure value. In this way, it has the effect of providing a pressure protection mechanism.

The control element is coupled to the second sensing element and a fourth valve. The fourth valve is used to open or close the exhaust port. The control element receives and determines whether the pressure value is greater than a pressure range value. If the determination result is yes, the fourth valve is controlled to open. In this way, it has the effect of improving the safety of use.

Wherein, the control module is further provided with a human-machine interface, which is coupled to the control part for the user to set the temperature threshold value and the pressure range value. In this way, it has the effect of improving the convenience of use.

Wherein, the gas storage module adjusts the pressure value of the high-pressure liquid gas flowing out of the gas storage bottle with a first valve to make the internal pressure of the high-pressure liquid gas larger than the internal pressure of the tank and maintain a certain value. In this way, it has the effect of regulating pressure.

The first valve is a pressure reducing valve. In this way, it has the effect of reducing stress.

The gas storage module uses a second valve to open or close the gas storage bottle. In this way, it has the effect of reducing gas loss.

The second valve is a manual valve. In this way, it has the effect of improving the convenience of use.

Wherein, it further comprises a shelf, the shelf is provided with an airflow channel penetrating the surface of the shelf, and is mounted on a fixing member of the container. In this way, it has the effect of improving the convenience of use.

1‧‧‧Gas storage module

11‧‧‧ gas cylinder

12‧‧‧ the first valve

13‧‧‧Second valve

2‧‧‧ box

21‧‧‧Room

211‧‧‧First room

212‧‧‧Second Room

211'‧‧‧First Room

212'‧‧‧Second Room

22‧‧‧ Outlet

23‧‧‧Exhaust port

24‧‧‧Fixed parts

25‧‧‧ Guide

25'‧‧‧ Guide

251‧‧‧Diversion channel

3‧‧‧ Sensor Module

31‧‧‧first sensor

32‧‧‧Second sensor

4‧‧‧Control Module

41‧‧‧Control

42‧‧‧Third valve

43‧‧‧Fourth valve

44‧‧‧ HMI

5‧‧‧ rack

51‧‧‧airflow channel

6‧‧‧ partition board

61‧‧‧airflow channel

A‧‧‧accommodation space

D‧‧‧Diversion space

Fig. 1: Schematic diagram of the first embodiment of the present invention.

FIG. 2 is a schematic structural diagram of a second embodiment of the present invention.

Fig. 3: Schematic diagram of the third embodiment of the present invention.

In order to make the above and other objects, features, and advantages of the present invention more comprehensible, the following describes the preferred embodiments of the present invention in detail with the accompanying drawings as follows: The directional or Similar terms, such as "front", "rear", "upper (top)", "lower (bottom)", "inside", "outside", "side", etc., are mainly based on the directions of the attached drawings. The directional or similar terms are only used to help explain and understand the embodiments of the present invention, but not to limit the present invention.

The “coupling” described in the full text of the present invention means that the two devices can transmit data to each other through a wired entity, a wireless medium, or a combination thereof (for example, a heterogeneous network). It can be understood by those having ordinary knowledge in the technical field to which the present invention belongs.

The "low temperature" mentioned throughout the present invention refers to the temperature of conventional liquid-filled gas, such as carbon dioxide of about -20 to -40 ° C, etc., which can be understood by those having ordinary knowledge in the technical field to which the present invention belongs.

The "high pressure" mentioned in the full text of the present invention refers to maintaining a gas in a liquid state with a pressure difference from atmospheric pressure, such as: greater than 200 psi, so that the gas maintains the state of a liquid gas (if it is liquid carbon dioxide, it needs to be greater than 250 psi). It can be understood by those having ordinary knowledge in the technical field to which the present invention belongs.

Please refer to FIG. 1. This is a first embodiment of the refrigeration device of the present invention, which includes an air storage module 1, a box 2, a sensing module 3, and a control module 4. The air storage module Group 1 is connected to the box 2, and the sensing module 3 and the control module 4 are arranged in the box 2.

In this embodiment, the gas storage module 1 can have a gas storage cylinder 11, which is filled with a high-pressure liquid gas, such as a liquid carbon dioxide, a liquid nitrogen, or a liquid air. The pressure value of the high-pressure liquid gas flowing out of the gas cylinder 11 can be adjusted by a first valve 12 to be greater than the pressure value in the tank 2 and maintained at a certain value, such as but not limited to, when When the pressure value of the high-pressure liquid gas in the gas storage bottle 11 is greater than the pressure value required by the refrigeration device of the present invention, the first valve 12 may be a pressure reducing valve that automatically adjusts the pressure by a mechanical principle. In this way, the effect of decompression can be achieved. In addition, when the pressure value of the high-pressure liquid gas in the gas storage bottle 11 is smaller than the pressure value required by the refrigeration device of the present invention, the first valve 12 may be a booster valve. In this way, it has the effect of boosting pressure.

The gas storage module 1 can also open or close the high-pressure liquid gas in the gas storage bottle 11 through a second valve 13. In this way, when the pipeline is damaged, the user can use the control module 4 to close the gas cylinder 11 with the second valve 13 in a short time to prevent the high-pressure liquid gas in the gas cylinder 11 from continuously leaking. With the effect of reducing gas consumption. For example, but without limitation, the second valve 13 may be a manual valve to prevent the gas storage cylinder 11 from being unable to be closed when the control module 4 fails. In this way, it has the effect of improving the convenience of use.

The shape, size, and material of the box 2 can be changed according to actual needs, which are not limited in this embodiment, and may be, for example, a closable box. The box 2 has a storage chamber 21 inside, and the storage chamber 21 is connected to the gas storage module 1 by an air outlet 22 pipe. Specifically, a high pressure pipe can be selected as the air outlet 22 and the gas storage module. 1 connection. In this way, it can withstand the pressure of the high-pressure liquid gas discharged from the gas storage cylinder 11, and has the effect of preventing pipeline damage. Wherein, the box body 2 can also exhaust the excess gas in the accommodating chamber 21 through another exhaust port 23. In this way, it is possible to prevent the pressure on the accommodating chamber 21 from exceeding the load and causing damage, and has the effect of maintaining the internal pressure of the accommodating chamber 21.

The sensing module 3 can be installed inside the box 2. The sensing module 3 has a first sensing element 31. The first sensing element 31 can be disposed adjacent to the air outlet 22. The sensing element 31 is used for sensing the internal temperature of the accommodating chamber 21 to generate a temperature value. In this embodiment, the first sensing element 31 may be a temperature measuring line or a temperature carbon rod. The sensing module 3 can also use a second sensing element 32 to sense the internal pressure of the chamber 21 to generate a pressure value. The second sensing element 32 can be disposed adjacent to the exhaust port 23. In this embodiment, the second sensing element 32 may be a pressure gauge. In this way, it has the effect of providing a pressure protection mechanism.

The control module 4 can be installed on the box 2. The control module 4 is coupled to the first sensing member 31 and the third valve 42 of the sensing module 3 by a control member 41. The valve 42 is used to open or close the air outlet 22 to achieve the function of regulating the flow of the high-pressure liquid gas in the chamber 21, and has the function of regulating the flow. In this embodiment, the third valve 42 may be an electromagnetic valve. Wherein, the control part 41 receives and judges whether the temperature value is greater than a temperature threshold, and if the judgment result is yes, controls the third valve 42 to open, so that the high-pressure liquid gas in the gas cylinder 11 flows into the container 21 Within; if the determination result is no, the third valve 42 is closed.

The control module 4 can also be coupled to the second sensing member 32 and a fourth valve 43 of the sensing module 3 by the control member 41. The fourth valve 43 is used to open or close the exhaust port. 23. In order to achieve the function of regulating the internal pressure of the chamber 21, it is possible to avoid damage caused by the pressure that the chamber 21 can withstand exceeding the load. In this way, it has the effect of improving the safety of use. In this embodiment, the fourth valve 43 may be a pressure relief valve. In detail, the control member 41 receives and judges whether the pressure value is greater than a pressure range value, and if the determination result is yes, controls the fourth valve 43 to open, so that the high-pressure liquid gas inside the chamber 21 is exhausted by the exhaust gas. The port 23 flows out to avoid damage caused by the internal pressure of the chamber 21 exceeding the load; if the judgment result is no, the fourth valve 43 is closed. For example, when the internal pressure of the chamber 31 is less than the pressure range value, it may be due to insufficient high-pressure liquid gas storage in the gas cylinder 11, the third valve 42 is not opened, the fourth valve is not closed, and the pipeline Damage or other reasons. In this way, it is possible to determine whether there is a component failure by confirming the pressure value in the chamber 21, which has the effect of quick inspection.

The control module 4 can also be provided with a human-machine interface 44 which is coupled to the control member 41. The human-machine interface 44 can be used to display the temperature value and the pressure value, and can also be used. The user sets the temperature threshold value and the pressure range value to use cold storage fins or different volume sizes of the chambers 21, which have the effect of improving convenience. In this embodiment, the man-machine interface 44 The display can be controlled for a PLC, but not limited to this.

Wherein, the refrigeration device of the present invention can further include at least one shelf 5. The shelf 5 is provided with at least one airflow channel 51 penetrating the surface thereof, and is mounted on a fixing member 24 of the receiving chamber 21. The member 24 is used for fixing the rack 5, and the form of the airflow passage 51 and the fixing member 24 is not limited here. In this way, the rack 5 can be used for placing items to be pre-cooled, for example, it can be a cold storage sheet, which has the effect of improving the convenience of use.

Please refer to FIG. 2, which is a second embodiment of the refrigeration device of the present invention. The second embodiment of the present invention is substantially the same as the first embodiment described above. The main difference is that the second embodiment of the present invention is: The container chamber 21 has a flow guide member 25 therein. The flow guide member 25 divides the container chamber 21 into a first container chamber 211 and a second container chamber 212. The guide member 25 is provided with a guide channel 251 for supply. The first container chamber 211 is in communication with the second container chamber 212, wherein the first container chamber 211 can be connected with the air outlet 22, and the second container chamber 212 can be connected with the exhaust port 23.

Please refer to FIG. 3, which is a third embodiment of the refrigerating device of the present invention. Compared with the first embodiment, this embodiment further includes a partition plate 6, which is installed in the container. The receiving chamber 21 is divided into an accommodating space A and a diversion space D. The accommodating space A is connected to the diversion space D through at least one airflow channel 61 of the partition plate 6. The accommodation space A has a plurality of flow guides 25 'therein, so that the accommodation space A is divided into a first accommodation chamber 211' and a plurality of second accommodation chambers 212 ', wherein the first accommodation chamber 211' It can communicate with the air outlet 22, and each of the second chambers 212 ′ can communicate with the air outlet 23.

The present invention further provides a temperature control module of a refrigeration device, which includes the aforementioned sensing module 3 and control module 4. The temperature control module can be connected to a conventional gas storage device. For example, but not limited to, the gas storage device can use a low temperature and high pressure liquid carbon dioxide cylinder. The temperature control module is substantially the same as the embodiments of the present invention. I won't go into details here.

In summary, the refrigerating device and the temperature control module of the present invention can inject the high-pressure liquid gas filled in the gas cylinder into the container, vaporize the high-pressure liquid gas, and then place the high-pressure liquid gas in the container. The cold storage sheet performs heat exchange, so that the cold storage sheet can achieve the purpose of cooling. Compared with the conventional refrigeration technology in which a compressor compresses a refrigerant and then evaporates and absorbs heat to achieve the effect of heat exchange, thereby reducing the temperature of the cold storage sheet, the precooling time can be reduced by more than half, and the operation compression is omitted. The electric energy required by the machine is effective, so the invention can achieve the effects of effectively shortening the time required for pre-cooling the cold storage sheet and reducing energy consumption.

Although the present invention has been disclosed using the above-mentioned preferred embodiments, it is not intended to limit the present invention. Anyone skilled in the art can make various changes and modifications to the above embodiments without departing from the spirit and scope of the present invention. The technical scope protected by the invention, so the scope of protection of the present invention shall be determined by the scope of the appended patent application.

Claims (17)

    A refrigeration device includes: an air storage module having a gas storage bottle filled with a high-pressure liquid gas; a box body having a container inside the container connected to the gas outlet tube by an air outlet pipe; A gas storage module; a sensing module installed in the box, the sensing module sensing a internal temperature of the chamber with a first sensing element to generate a temperature value; and a control module Installed in the box, the control module is coupled to the first sensing element and a third valve with a control element, the third valve is used to open or close the air outlet, the control element receives and judges the Whether the temperature value is greater than a temperature threshold, and if the determination result is yes, the third valve is controlled to open.         A refrigeration device includes: an air storage module having a gas storage bottle filled with a high-pressure liquid gas; a box body having a container inside the container connected to the gas outlet tube by an air outlet pipe; Gas storage module, the container has a flow guiding member, the flow guiding member divides the storage chamber into a first storage chamber and a second storage chamber, and the flow guiding member is provided with a flow guiding channel for the first storage The chamber is in communication with the second chamber, the first chamber is in communication with the air outlet, the second chamber is in communication with an exhaust port, and a sensing module is installed in the box. The measuring module senses the internal temperature of the chamber with a first sensing element, so as to generate a temperature value; and a control module, which is installed in the case, and the control module is coupled to the first element with a control element. A sensing element and a third valve, the third valve is used to open or close the air outlet, the control element receives and judges whether the temperature value is greater than a temperature threshold value, and if the judgment result is yes, controls the third The valve opens.         A refrigeration device includes: an air storage module having a gas storage bottle filled with a high-pressure liquid gas; a box body having a container inside the container connected to the gas outlet tube by an air outlet pipe; Gas storage module; a partition board installed in the container, and the container is divided into an accommodating space and a diversion space, and the accommodating space is passed through an air flow channel of the interlayer board and the The diversion space is connected. The accommodation space has a plurality of deflectors, so that the accommodation space is divided into a first accommodation chamber and a plurality of second accommodation chambers. The first accommodation chamber is in communication with the air outlet. Each of the second chambers is in communication with an exhaust port; a sensing module is installed in the box, and the sensing module senses the internal temperature of the chamber with a first sensing element, so that A temperature value; and a control module installed in the box, the control module is coupled to the first sensing member and a third valve by a control member, the third valve is used to open or close the outlet Air port, the control part receives and judges whether the temperature value is greater than a temperature threshold, and if the judgment result is yes, controls the third valve to open .         The refrigeration device according to any one of claims 1 to 3 in the scope of patent application, wherein the box body further has an exhaust port.         The refrigeration device according to item 4 of the scope of patent application, wherein the sensing module further senses the internal pressure of the chamber with a second sensing element, so as to generate a pressure value.         The refrigeration device according to item 5 of the scope of patent application, wherein the control member is coupled to the second sensing member and a fourth valve, the fourth valve is used to open or close the exhaust port, and the control member Receive and judge whether the pressure value is greater than a pressure range value, and if the judgment result is yes, control the fourth valve to open.         The refrigeration device according to item 6 of the scope of patent application, wherein the control module is further provided with a human-machine interface, and the human-machine interface is coupled to the control part for the user to set the temperature threshold value and the pressure range value .         The refrigeration device according to any one of claims 1 to 3, wherein the gas storage module further uses a first valve to adjust the pressure value of the high-pressure liquid gas flowing out of the gas cylinder so that Maintained at a certain value.         The refrigeration device according to item 8 of the scope of patent application, wherein the first valve is a pressure reducing valve.         The refrigeration device according to any one of claims 1 to 3, wherein the gas storage module further opens or closes the gas storage bottle with a second valve.         The refrigerating device according to item 10 of the scope of patent application, wherein the second valve is a manual valve.         The refrigerating device according to any one of claims 1 to 3 of the scope of patent application, further comprising a rack, the rack is provided with an airflow channel penetrating the surface thereof, and is fixed in the container Pieces.         A temperature control module of a refrigeration device includes: a sensing module for being installed in a box with a container inside; the sensor module uses a first sensing member to sense the temperature of the container; The internal temperature causes a temperature value to be generated; and a control module for installation in the box, the control module is coupled to the first sensing element and a third valve by a control element, and the third valve is used for To open or close an air outlet of the box.         For example, the temperature control module of the refrigerating device according to item 13 of the scope of patent application, wherein the control part receives and judges whether the temperature value is greater than a temperature threshold value, and if the judgment result is yes, controls the third valve to open .         For example, the temperature control module of the refrigerating device according to item 13 or 14 of the scope of patent application, wherein the sensing module further senses the internal pressure of the chamber with a second sensing element, so as to generate a pressure value. .         The temperature control module of the refrigeration device according to item 15 of the scope of patent application, wherein the control member is coupled to the second sensing member and a fourth valve, and the fourth valve is used to open or close the box. An exhaust port of the control unit receives and determines whether the pressure value is greater than a pressure range value, and if the determination result is yes, controls the fourth valve to open.         For example, the temperature control module of the refrigerating device according to item 16 of the scope of the patent application, wherein the control module is further provided with a human-machine interface, and the human-machine interface is coupled to the control part for the user to set the temperature threshold And the pressure range value.