CN208075086U - A kind of heat accumulation function type electric radiation plate - Google Patents

Abstract

The utility model provides a kind of heat accumulation function type electric radiation plate, including shell, the finned radiant panel of top surface is set outside shell, the phase-change material box and rear chamber being arranged in shell, phase-change material is filled in phase-change material box, it is fixed with finned electrothermal tube on the inside of phase-change material box, finned electric heating pipe end passes through connecting wire after phase-change material box side plate, it is connected inside conducting wire and the termination being arranged in rear chamber, in termination temperature sensor is separately connected equipped with circuit, temperature-sensing element and the circuit lead for connecting finned electrothermal tube, temperature sensor is arranged on termination, temperature-sensing element is exposed to after passing through shell in indoor environment, temperature sensor is opened and closed according to the indoor temperature control circuit that temperature-sensing element transmits.The utility model is simple in structure, it is easy to use, can solve the problems, such as existing electric radiation plate power-off after can not continue heating, solve the problems of hot-water radiant plate without being additionally provided hot water using electrically heated method.

Description

A heat storage function electric heating radiation plate

technical field

The utility model belongs to the technical field of radiant heating, and in particular relates to an electric heating radiating plate containing a phase change material and having a heat storage function.

Background technique

At present, with the deepening of my country's industrialization, the proportion of building operation energy consumption in my country's total social energy consumption is also increasing, and the problem of building energy consumption is becoming more and more prominent. Therefore, promoting the development of building energy conservation has important practical and far-reaching strategic significance for the realization of my country's green development.

In view of this, there is great potential for developing new heating equipment. Compared with traditional convection heating, radiant heating can effectively save energy, reduce energy consumption, and better meet the thermal comfort requirements of building interiors. The radiant heating system using radiant panel heating is mainly divided into electric radiant panel and hot water radiant panel. However, the electric heating radiant panel needs to be kept powered on during use. Once the power is cut off, the electric heating radiant panel cannot continue to provide heating. The hot water radiant panel heating system needs to provide an additional heat source. The operation of the system requires high water quality, and the system requires water maintenance during the heating season. However, in actual operation, it is difficult to meet the water quality requirements, and there are cases where the water is not fully maintained. , causing its service life to be greatly shortened; in addition, in today's increasingly scarce water resources, there is still a problem of waste of water resources.

Therefore, it is necessary to design an electric heating radiant panel with heat storage function, which can solve the problem that the current electric heating radiant panel cannot continue heating after power failure. The electric heating method does not need to provide additional hot water, which solves the problem of the hot water radiant panel. The problem.

Utility model content

For the problems existing in the prior art, the technical scheme adopted by the utility model for solving the problems existing in the prior art is as follows:

An electrothermal radiant panel with heat storage function, including a shell, a finned radiant panel arranged on the outer top surface of the shell, a phase-change material box and a rear cavity set in the shell, characterized in that the phase-change material box The interior is filled with phase change materials, and the inside of the phase change material box is fixed with finned electric heating tubes, which are coiled and embedded in the phase change material, and the end of the finned electric heating tubes passes through the side plate of the phase change material box and connects the wire , the wire is internally connected to the wiring device arranged in the rear cavity, and the wiring device is equipped with a circuit respectively connected to the temperature sensor, the temperature sensing element and the circuit wire connected to the finned electric heating tube, the temperature sensor is arranged on the wiring device, and the temperature sensing element After passing through the shell and exposed to the indoor environment, the temperature sensor controls the circuit opening and closing according to the indoor temperature transmitted by the temperature sensing element. When the indoor temperature reaches the user's set temperature, the electric heating tube circuit is automatically disconnected. The heat can keep the indoor temperature stable for a long period of time; when the indoor temperature is lower than the user's set temperature, the electric heating tube circuit is automatically closed, and at this time, the phase change material stores heat again while heating the room.

The outer peripheral surface and the lower bottom surface of the phase-change material box are provided with an insulating layer, which is a light-weight high-temperature-resistant heat-insulating material with excellent heat-insulating performance, and the surface in contact with the phase-change material box is coated with a layer of aluminum film. Reflect heat energy to further improve thermal insulation performance.

The height of the phase-change material box is 50-60mm, and the material is copper, and the thickness of the copper plate is 2mm.

The phase change material is an organic phase change material such as paraffin wax or fatty acid and their complexes, the phase change temperature is 60-80°C, and it is filled in the phase change material box.

The finned electric heating tube is made of copper, which is made by continuous U-shaped tube processing technology, has good thermal conductivity, increases the heat exchange area, and effectively improves the heat exchange efficiency between the phase change material and the finned electric heating tube.

The finned electric heating tube and the side plate of the phase change material box are fixed and sealed by an inner hexagon nut and a washer.

The finned radiant plate is bonded and fixed to the upper surface of the phase change material box by means of thermally conductive adhesive.

The utility model has the following advantages:

The electric heating radiation plate provided by the utility model can store and release heat stably through the change of the phase state of the phase change material filled in the phase change material box, and can continue to be used for a long time after power off. The opening and closing of the electric heating tube circuit is automatically controlled by the temperature sensor. When the indoor temperature reaches the temperature set by the user, the electric heating tube circuit is automatically disconnected. At this time, only the heat stored in the phase change material can maintain the indoor temperature for a long period of time. The temperature is stable; when the indoor temperature is lower than the user's set temperature, the electric heating tube circuit is automatically closed. At this time, the phase change material re-stores heat while heating the room, which can effectively achieve energy saving and consumption reduction.

Description of drawings

Fig. 1 is the cross-sectional axonometric structural schematic diagram of the utility model radiant panel;

Fig. 2 is a schematic diagram of the connection structure between the electric heating tube and the phase change material box of the radiation plate of the present invention;

Among them: 1 finned radiant plate, 2 shell, 3 bonding material, 4 phase change material box, 5 phase change material, 6 insulation layer, 7 finned electric heating tube, 8 rear cavity, 9 wiring device, 10 sensor Temperature element, 11 temperature sensor, 12 wire, 13 hex nut, 14 washer.

Detailed ways

The technical solutions of the present utility model will be further described in detail through the examples below and in conjunction with the accompanying drawings. As shown in Figure 1-2, an electric heat radiation panel with heat storage function includes a shell 2, which is arranged on the outer top surface of the shell The finned radiant plate 1, the phase change material box 4 and the rear cavity 8 arranged in the shell, the phase change material box 4 is filled with the phase change material 5, and the inside of the phase change material box 4 is fixed with a finned electric heating tube 7. The finned electric heating tube 7 is spirally buried in the phase change material 5. The end of the finned electric heating tube 7 passes through the side plate of the phase change material box 4 and then connects the wire 12. The wire 12 is connected to the wiring set in the rear cavity 8. The device 9 is internally connected, and the wiring device 9 is provided with a circuit to respectively connect the temperature sensor 11, the temperature sensing element 10 and the circuit wire 12 connected to the finned electric heating tube. The temperature sensor 11 is arranged on the wiring device 9, and the temperature sensing element 10 passes through After the shell 2 is exposed to the indoor environment, the temperature sensor 11 opens and closes according to the indoor temperature control circuit transmitted by the temperature sensing element 10. When the indoor temperature reaches the temperature set by the user, the electric heating tube circuit is automatically disconnected. At this time, the phase change material 5 The stored heat can keep the indoor temperature stable for a long period of time; when the indoor temperature is lower than the temperature set by the user, the electric heating tube circuit is automatically closed, and at this time, the phase change material 5 re-stores heat while heating the room .

The finned radiant plate 1 and the upper top surface of the phase change material box 4 are bonded and fixed by heat-conducting adhesive, and the outer peripheral surface and the lower bottom surface of the phase change material box 4 are provided with an insulation layer 6, which is a light-weight, high-temperature-resistant insulation material , excellent thermal insulation performance, and its surface in contact with the phase change material box 4 is coated with a layer of aluminum film, which can reflect heat energy while maintaining thermal insulation, and further improve thermal insulation performance.

The height of the phase change material box 4 is 50-60mm, and the material is copper, and the thickness of the copper plate is 2mm.

The phase change material 5 is an organic phase change material such as paraffin wax or fatty acid and their complexes, the phase change temperature is 60-80° C., and it is filled in the phase change material box 4 .

The finned electric heating tube 7 is made of copper, which is made by continuous U-shaped tube processing technology, has good thermal conductivity, increases the heat exchange area, and effectively improves the heat exchange efficiency between the phase change material 5 and the finned electric heating tube 7 .

As shown in FIG. 2 , the finned electric heating tube 7 and the side plate of the phase change material box 4 are fixed and sealed by an inner hex nut 13 and a washer 14 .

When the utility model device is used as heating equipment, the indoor temperature is generally set at 18°C. When the temperature measured by the temperature sensing element 10 reaches 18°C, the electric heating tube circuit is automatically disconnected, and the finned electric heating tube 7 stops working. The heat stored by the phase change material 4 can keep the indoor temperature stable for a long period of time; when the temperature measured by the temperature sensing element is lower than 18°C, the electric heating tube circuit is automatically closed, and the finned electric heating tube 7 restarts. The electric energy is converted into heat energy, and at this time, the radiant plate heats the room, and at the same time, the phase change material 4 stores heat again.

The scope of protection of the utility model is not limited to the above-mentioned embodiments. Obviously, those skilled in the art can make various changes and deformations to the utility model without departing from the scope and spirit of the utility model. If these changes and deformations fall within the scope of the claims of the utility model and their equivalent technologies, the intent of the utility model is to include these changes and deformations.

Claims (7)

1. An electrothermal radiant panel with heat storage function, comprising a shell, a finned radiant panel arranged on the outer top surface of the casing, a phase-change material box and a rear cavity arranged in the casing, characterized in that: the phase-change The material box is filled with phase-change materials, and the inside of the phase-change material box is fixed with a finned electric heating tube, which is embedded in the phase-change material in circles, and the end of the finned electric heating tube passes through the side plate of the phase-change material box Connect the wires, the wires are internally connected to the wiring device arranged in the rear cavity, and the wiring device is equipped with a circuit to connect the temperature sensor, the temperature sensing element and the circuit wire connected to the finned electric heating tube, the temperature sensor is set on the wiring device, and the sensor The temperature element is exposed to the indoor environment after passing through the shell, and the temperature sensor controls the opening and closing of the circuit according to the indoor temperature transmitted by the temperature sensing element. 2. A heat storage functional electric heating radiation panel as claimed in claim 1, characterized in that: the outer peripheral surface and the lower bottom surface of the phase-change material box are provided with an insulating layer, and the insulating layer is a light-weight high-temperature-resistant insulating material. The surface in contact with the phase change material cartridge is coated with an aluminum film. 3. The heat storage functional electric heating radiation panel according to claim 1, characterized in that: the height of the phase change material box is 50-60mm, the material is copper, and the thickness of the copper plate is 2mm. 4 . The electric heat radiation panel with heat storage function according to claim 1 , wherein the phase change material is an organic phase change material with a phase change temperature in the range of 60-80° C. 5 . 5. An electric heat radiation panel with thermal storage function as claimed in claim 1, characterized in that: said finned electric heat pipe is made of copper and manufactured by continuous U-shaped pipe processing technology. 6 . The electric heat radiation plate with thermal storage function according to claim 1 , characterized in that: the finned electric heat pipe and the side plate of the phase change material box are fixed and sealed by an inner hexagonal nut and a washer. 6 . 7 . The heat storage function type electric heating radiant panel according to claim 1 , wherein the finned radiant panel and the upper surface of the phase change material box are bonded and fixed by heat-conducting adhesive. 8 .