Cooling device for electric control box of energy storage temperature control equipment

Abstract

The utility model discloses a cooling device for an electric control box of energy storage temperature control equipment. The cooling device comprises a compressor, an evaporator, a condenser, an electromagnetic valve, a fan and a capillary tube, the fan is mounted on the electric control box, and an air outlet of the fan is communicated with the electric control box; the capillary tube is arranged at an air outlet of the fan in a spiral plane; the inlet end of the capillary tube is connected with one end of the electromagnetic valve, the other end of the electromagnetic valve is connected with the outlet end of the condenser, the inlet end of the condenser is connected with the outlet end of the compressor, the outlet end of the capillary tube is connected with the refrigerant inlet end of the evaporator, and the refrigerant outlet end of the evaporator is connected with the inlet end of the compressor. When the refrigerating device works, the electromagnetic valve is started, the temperature of the capillary coil is lowered, and the fan evenly sends cold air to the inner space of the electric control box to achieve cooling. According to the utility model, the electric control box can be well cooled, no extra installation space is needed, and the arrangement space of the original energy storage temperature control unit is greatly saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to energy storage temperature control equipment technical field especially relates to a cooling device for energy storage temperature control equipment electric control box. BACKGROUND

[0002] With the progress of battery technology, the battery energy density is increasing, which makes the heat phenomenon in the process of battery charging and discharging more and more serious. In a single standard energy storage container, the increasing battery pack occupies more and more space, making the installable space of the temperature control equipment smaller and smaller. At the same time, the refrigeration and heating capacity of the temperature control equipment needs to be continuously increased to match the continuously increasing battery heating capacity, so that the design of the temperature control equipment in the current energy storage industry is very compact, and the types and power of the components in the electric control cabinet of the equipment are increasing, and the heat generation of the electric control box increases.

[0003] At present, the common cooling method for the electric control box of the energy storage temperature control equipment is to increase the heat dissipation area by adding aluminum heat dissipation fins or install a fan for heat dissipation. Because the energy storage container is installed in a wide range of environments, the maximum use environment temperature can reach 55℃, and the temperature in summer exceeds 45℃, so the effect of the above-mentioned electric control box heat dissipation device is not obvious in high temperature environment. It often leads to high temperature in the electric control box, affecting the normal use of the equipment. And whether it is a fan or uses aluminum fins for heat dissipation, it will open a large area of holes on the electric control box, damaging the overall sealing of the electric control box. At the same time, the heat dissipation aluminum fins and the heat dissipation fan have a large volume, which is not friendly to the design of the whole machine. SUMMARY

[0004] To solve the technical problems in the background art, the utility model provides a cooling device for the electric control box of the energy storage temperature control equipment.

[0005] The utility model provides a cooling device for the electric control box of the energy storage temperature control equipment, which comprises a compressor, an evaporator, a condenser, a solenoid valve, a fan and a capillary tube.

[0006] The fan is installed on the electric control box, and the air outlet of the fan is communicated with the electric control box.

[0007] The capillary tube is arranged in a spiral plane at the air outlet of the fan. The inlet end of the capillary tube is connected with one end of the solenoid valve, the other end of the solenoid valve is connected with the outlet end of the condenser, and the inlet end of the condenser is connected with the outlet end of the compressor.

[0008] The outlet end of the capillary tube is connected with the refrigerant inlet end of the evaporator, and the refrigerant outlet end of the evaporator is connected with the inlet end of the compressor.

[0009] Preferably, the spiral plane is perpendicular to the air outlet direction of the air outlet of the fan.

[0010] Preferably, the condenser is further connected with a condenser fan, and the condenser fan is used for air cooling heat dissipation of the condenser.

[0011] Preferably, the capillary tube is a copper capillary tube.

[0012] Preferably, the cooling device further comprises a pump, an inlet end of the pump is connected with the energy storage load, an outlet end of the pump is connected with the heat medium inlet of the evaporator, and the heat medium outlet of the evaporator is connected with the energy storage load.

[0013] Preferably, the outlet end of the condenser is further connected with a throttle valve, and the throttle valve is connected with the refrigerant inlet end of the evaporator.

[0014] In specific implementation, when the electric control box needs to be cooled, the electromagnetic valve is opened, the high-pressure refrigerant flowing out of the outlet end of the condenser passes through the capillary tube, the refrigerant gradually depressurizes due to the resistance inside the capillary tube, and starts to evaporate and absorb heat, taking away the heat around the capillary tube, the cold around the capillary tube is blown to the inside of the electric control box by the fan, and the cooling work is completed.

[0015] In the utility model, the cooling device for the electric control box of the energy storage temperature control equipment adopts the scheme that the capillary tube arranged in a spiral plane is arranged at the air outlet of the fan to cool, which can make the electric control box be made into a relatively closed form, greatly improves the waterproof and dustproof capability of the electric control box, completely satisfies the outdoor use requirement, guarantees the dry and clean inside of the electric control box, and makes the electrical components run in a good environment. Moreover, compared with the conventional external aluminum fin heat dissipation, the capillary tube of the utility model does not need additional installation space, greatly saves the arrangement space of the original energy storage temperature control unit. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The structure diagram of the cooling device for the electric control box of the energy storage temperature control equipment in an embodiment of the utility model is shown.

[0017] Figure 2 The structure diagram of the fan and the capillary tube in an embodiment of the utility model is shown. DETAILED DESCRIPTION

[0018] It should be noted that the embodiments and the features in the embodiments in the utility model can be combined with each other without conflict. The utility model will be described in detail below with reference to the drawings and in combination with the embodiments.

[0019] Referring to Figure 1 and Figure 2 , the utility model proposes a kind of cooling device for the electric control box of energy storage temperature control equipment, comprising: compressor 1, evaporator 2, condenser 4, electromagnetic valve 9, fan 10 and capillary tube 11;

[0020] The fan 10 is arranged on the electric control box 6, and the air outlet of the fan 10 is communicated with the electric control box 6.

[0021] The capillary tube 11 is arranged in a spiral plane at the air outlet of the fan 10.

[0022] The inlet end of the capillary tube 11 is connected with one end of the electromagnetic valve 9, the other end of the electromagnetic valve 9 is connected with the outlet end of the condenser 4, and the inlet end of the condenser 4 is connected with the outlet end of the compressor 1.

[0023] The outlet end of the capillary tube 11 is connected with the refrigerant inlet end of the evaporator 2, and the refrigerant outlet end of the evaporator 2 is connected with the inlet end of the compressor 1.

[0024] In specific implementation, when the electric control box 6 needs to be cooled, the electromagnetic valve 9 is opened, the high-pressure refrigerant flowing out of the outlet end of the condenser 4 passes through the capillary tube 11, the refrigerant gradually reduces the pressure due to the resistance in the capillary tube 11, and starts to evaporate and absorb heat, thereby taking away the heat around the capillary tube 11, the cold air around the capillary tube 11 is blown to the inside of the electric control box 6 by the fan 10, and the cooling work is completed.

[0025] Compared with the conventional air cooling, the capillary tube 11 arranged in a spiral plane at the air outlet of the fan 10 is used for cooling, the small inner diameter and high resistance characteristics of the capillary tube 11 are utilized, the electric control box 6 can be made in a relatively closed form, the waterproof and dustproof capability of the electric control box 6 is greatly improved, the outdoor use requirement is completely met, the dry and clean inside of the electric control box 6 is ensured, and the electrical components run in a good environment.

[0026] Moreover, the original refrigeration system of the refrigeration equipment is utilized, the refrigerant inlet end of the evaporator 2 and the outlet end of the condenser 4 are led out, the throttling effect of the capillary tube 11 is utilized, a simple and reliable refrigeration device is created, and one machine is used for two purposes.

[0027] The electromagnetic valve 9 is used as a control element in the embodiment, and the cooling device is opened or closed under logical control.

[0028] Moreover, compared with the conventional external aluminum fin heat dissipation, the capillary tube 11 does not need additional installation space, and the arrangement space of the original energy storage temperature control unit is greatly saved.

[0029] It should be understood that the "capillary tube 11 arranged in a spiral plane" in the embodiment refers to that the capillary tube 11 is formed into a coil in a two-dimensional spiral line, as shown in the drawing. Figure 2

[0030] ​In the embodiment, the spiral plane is perpendicular to the air outlet direction of the air outlet of the fan 10, so that the fan 10 blows the cold around the capillary tube 11 to the inside of the electric control box 6 uniformly, and the cooling effect is improved.

[0031] In the embodiment, the condenser 4 is further connected with a condensing fan 5, and the condensing fan 5 is used for air cooling heat dissipation of the condenser 4.

[0032] In the embodiment, the capillary tube 11 is a copper capillary tube.

[0033] In this way, the refrigerant can be recycled, energy saving and environmental protection.

[0034] In the implementation, the refrigeration is realized by calculating the length and inner diameter of the capillary tube 11 and other parameters.

[0035] In the embodiment, a pump 7 is further included, the inlet end of the pump 7 is used for connecting the energy storage load 8, the outlet end of the liquid supply pump 7 is connected with the heat medium inlet of the evaporator 2, and the heat medium outlet of the evaporator 2 is used for connecting the energy storage load 8.

[0036] The embodiment can use one-way liquid working medium to cool the electric control box 6 while cooling the original energy storage load 8, which is simple, stable, efficient, and avoids pipe freezing or damage caused by using cooling water in winter. At the same time, even if the refrigerant leaks, due to the high volatility and low conductivity of the refrigerant, it will not cause electrical failure.

[0037] In the embodiment, the outlet end of the condenser 4 is further connected with a throttling valve 3, and the throttling valve 3 is connected with the refrigerant inlet end of the evaporator 2.

[0038] In the implementation, the liquid refrigerant in the evaporator 2 obtains high-temperature and high-pressure gaseous refrigerant by absorbing external heat, the gaseous refrigerant is absorbed and compressed into high-temperature and high-pressure refrigerant vapor by the compressor 1, enters the condenser 4 to be cooled into high-pressure and medium-temperature refrigerant liquid, and becomes low-pressure and low-temperature liquid refrigerant after the throttling valve 3. The refrigerant enters the evaporator 2 to evaporate and absorb heat, and the pump 7 transports the low-temperature heat medium to the energy storage load 8 for cooling, and completes the cycle.

[0039] The above only describes the preferred embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A cooling device for the electrical control box of an energy storage temperature control equipment, characterized in that, include: Compressor (1), evaporator (2), condenser (4), solenoid valve (9), fan (10) and capillary tube (11); The fan (10) is used to be installed inside the electrical control box (6), and the air outlet of the fan (10) is used to communicate with the electrical control box (6); The capillary tube (11) is arranged in a spiral plane at the air outlet of the fan (10); the inlet end of the capillary tube (11) is connected to one end of the solenoid valve (9), the other end of the solenoid valve (9) is connected to the outlet end of the condenser (4), the inlet end of the condenser (4) is connected to the outlet end of the compressor (1); the outlet end of the capillary tube (11) is connected to the refrigerant inlet end of the evaporator (2), and the refrigerant outlet end of the evaporator (2) is connected to the inlet end of the compressor (1).

2. The cooling device for the electrical control box of an energy storage temperature control device according to claim 1, characterized in that, The spiral plane is perpendicular to the air outlet direction of the fan (10).

3. The cooling device for the electrical control box of an energy storage temperature control device according to claim 1, characterized in that, The condenser (4) is also connected to a condenser fan (5), which is used to provide air cooling to the condenser (4).

4. The cooling device for the electrical control box of an energy storage temperature control device according to claim 1, characterized in that, The capillary (11) is a copper capillary.

5. The cooling device for the electrical control box of an energy storage temperature control device according to claim 1, characterized in that, It also includes a pump (7), the inlet end of which is used to connect to the energy storage load (8), the outlet end of the liquid supply pump (7) is connected to the heat medium inlet of the evaporator (2), and the heat medium outlet of the evaporator (2) is used to connect to the energy storage load (8).

6. The cooling device for the electrical control box of an energy storage temperature control device according to claim 5, characterized in that, The outlet end of the condenser (4) is also connected to a throttle valve (3), which is connected to the refrigerant inlet end of the evaporator (2).

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