CN213638697U

CN213638697U - Heating device cooling device and electric control equipment

Info

Publication number: CN213638697U
Application number: CN202022678574.8U
Authority: CN
Inventors: 郑贵林; 黄宗赵; 谭健斌; 朱庆金
Original assignee: Suntrans Intelligence & Equipment Co ltd
Current assignee: Suntrans Intelligence & Equipment Co ltd
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-07-06
Anticipated expiration: 2030-11-18

Abstract

The utility model provides a device cooling device and electrical equipment generate heat, the device cooling device that generates heat include cooling plate, cold water machine, and the inside cavity that is provided with of cooling plate, cavity include with the inlet and the leakage fluid dram of outside intercommunication, and the cooling plate is used for cooling the device that generates heat, and the cold water machine includes the thermal converter, and inlet and leakage fluid dram are connected to on the thermal converter. The heating device cooling device uses a water cooler to dissipate heat, the cooling liquid in the cavity carries out water-cooling heat dissipation on the heating device, the heat converter cools the warmed cooling liquid and leads the cooled cooling liquid back to the cavity again, circulating refrigeration is realized, and the heating device cooling device can improve the heat dissipation effect on the heating device.

Description

Heating device cooling device and electric control equipment

Technical Field

The utility model relates to an electronic components heat dissipation field, especially a device cooling device and electrical equipment generate heat.

Background

An IGBT (insulated gate bipolar transistor) is a composite fully-controlled voltage-driven power semiconductor device consisting of a BJT (bipolar junction transistor) and an MOS (insulated gate field effect transistor). The heat productivity of the IGBT is large when the IGBT works, the heat productivity of the IGBT mainly comes from two reasons, namely switching loss and through-current loss, and the switching loss is high when the frequency is high; the larger the current passing, the larger the through-current loss.

In the prior art, air cooling is generally used for radiating components such as an IGBT (insulated gate bipolar transistor) in an electric cabinet, when the IGBT with a high power specification is used for controlling the current and the frequency of a high-power and high-frequency object, because the frequency of the control object is changed quickly and the power is large, a very large amount of heat can be generated in a working state, the temperature rise speed of the IGBT is high, the air cooling speed is low, the radiating requirement of the IGBT cannot be met, and the IGBT can be damaged due to overheating. The technology of using water cooling to radiate the IGBT also exists in the prior art, the cooling is realized by absorbing and taking away heat through cooling liquid, but the water cooling heat radiation effect of the prior art is not good enough, and the requirement can not be met. In addition, in order to keep the temperature of the coolant low, the coolant after absorbing heat is directly discharged, and cannot be recycled.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a device cooling device and electrical equipment generate heat, the device cooling device that generates heat can improve the radiating effect to the device that generates heat.

According to the utility model provides a device cooling device generates heat, including cooling plate, cold water machine, the inside cavity that is provided with of cooling plate, the cavity includes inlet and leakage fluid dram with outside intercommunication, the cooling plate is used for cooling the device that generates heat, the cold water machine includes the heat converter, the inlet with the leakage fluid dram is connected to on the heat converter.

According to the utility model provides a device cooling device generates heat has following technological effect at least: the heating device cooling device uses a water cooler to dissipate heat, the cooling liquid in the cavity carries out water-cooling heat dissipation on the heating device, the heat converter cools the warmed cooling liquid and leads the cooled cooling liquid back to the cavity again, circulating refrigeration is realized, and the heating device cooling device can improve the heat dissipation effect on the heating device.

According to some embodiments of the utility model, the cold water machine is air-cooled cold water machine, the cold water machine is including the heat dissipation fan.

According to some embodiments of the invention, the water chiller comprises a buffer tank for replenishing the liquid.

According to some embodiments of the utility model, the buffer tank is provided with open closed moisturizing interface.

According to some embodiments of the invention, the material of the cooling plate is an aluminium alloy material.

According to some embodiments of the invention, the cavity is shaped as a flow channel.

According to the utility model provides an electrical equipment, reach including the device that generates heat the utility model provides a device cooling device generates heat, the device that generates heat sets up on the cooling plate.

According to the utility model provides an electrical equipment has following technological effect at least: through adopting the utility model provides a device cooling device generates heat can improve the radiating effect to the device that generates heat, can reduce because the overheated automatically controlled equipment trouble that leads to of electronic components.

According to some embodiments of the utility model, the electrical control device includes the electric cabinet, the cooling plate sets up in the electric cabinet.

According to some embodiments of the invention, the electric cabinet is provided with a fan.

According to some embodiments of the utility model, the quantity of electric cabinet sets up to a plurality ofly, each the range upon range of setting of electric cabinet, the top the electric cabinet is provided with the fan, each through the ventilation hole intercommunication between the electric cabinet.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a front view of a heat generating device cooling apparatus according to the present invention;

fig. 2 is an overall view of a cooling plate and a heat generating device provided according to the present invention;

fig. 3 is a front view of an electrical control apparatus according to the present invention;

fig. 4 is an explosion diagram of an electric cabinet in a stacked arrangement according to the present invention.

Reference numerals:

a heat radiation fan 6, a heat converter 10, a water supplement interface 12, a buffer tank 13, a cooling plate 14, a heating device 15,

A liquid outlet 16, a water outlet pipe 17, a liquid inlet 18, a water inlet pipe 19,

Electric cabinet 20, fan 22, ventilation hole 23.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

According to the utility model provides a heating device cooling device, including cooling plate 14, cold water machine, the inside cavity that is provided with of cooling plate 14, the cavity includes 18 and leakage fluid dram with the inlet of outside intercommunication, and cooling plate 14 is used for cooling heating device 15, and the cold water machine includes

thermal converter

10, and 18 and 16 leakage fluids dram of inlet are connected to on the thermal converter 10.

Specifically, the heat of the heating device 15 is conducted to the cooling plate 14, the cavity is filled with cooling liquid, the cooling liquid is used for absorbing the heat conducted by the cooling plate 14 so as to dissipate the heat of the heating device 15, the cooling liquid firstly enters the cavity from the heat converter 10 through the liquid inlet 18, heat exchange between the cooling liquid and the cooling plate 14 is completed in the cavity, and then the cooling liquid flows back to the heat converter 10 through the liquid outlet 31, and the cooling liquid is cooled in the heat converter 10 and then enters the cavity again, so that a complete cooling circulation process is realized. The cooling liquid can be water or other common cooling liquid, such as glycol solution, silicon oil, etc.

In the heat exchanger 10, the coolant exchanges heat with the liquid refrigerant, thereby cooling the coolant to the initial temperature. Specifically, the liquid refrigerant after absorbing heat is evaporated to become a gaseous refrigerant, then the refrigerant is further compressed by the compressor to become a high-temperature high-pressure gaseous refrigerant, the high-temperature high-pressure gaseous refrigerant enters the condenser to dissipate heat to the outside, the high-temperature high-pressure gaseous refrigerant is condensed to become a high-pressure liquid refrigerant, the liquid refrigerant then enters the throttle valve (also called an expansion valve), and finally the high-temperature high-pressure gaseous refrigerant is converted to a low-temperature low-pressure liquid refrigerant to restart heat exchange with the cooling liquid, so that the whole circulation flow of cooling the. Due to the large temperature difference between the coolant and the refrigerant during heat exchange, the phase change of the refrigerant after heat absorption, and the like, the refrigerant can absorb large heat, has high heat exchange efficiency, can efficiently cool the coolant to an initial temperature, and the initial temperature can be lower than the normal temperature, for example, some water cooling machines using an aqueous solution as the coolant can reduce the temperature of the coolant to 5 ℃.

According to the utility model provides a heating device cooling device, when dispelling the heat, thermal converter 10 sends the coolant liquid cooling into cooling plate 14 with the coolant liquid again, and the coolant liquid absorbs the heat in cooling plate 14 and flows back to thermal converter 10 in, realizes the used cycle of coolant liquid. Because the cooling effect of cold water machine is good, can cool the coolant liquid of backward flow to initial temperature again, guaranteed the steady operation of the cold function of the circulating water of the device cooling device that generates heat to the cold water machine can reduce the coolant liquid to lower temperature, increase the difference in temperature between coolant liquid and the cooling plate 14, improve the radiating effect of the device cooling device that generates heat.

According to different heat dissipation modes of the condenser, the water cooler 1 can be subdivided into an air-cooled water cooler, a water-cooled water cooler and the like. According to some embodiments of the utility model, the cold water machine is air-cooled cold water machine, and the cold water machine is including heat dissipation fan 6. The refrigerant entering the condenser realizes the cooling effect through the air cooling heat dissipation function of the heat dissipation fan 6, and the air-cooled water chiller has the advantages of simple structure, convenience for miniaturization and the like.

According to some embodiments of the present invention, the water chiller includes a buffer tank 13 for replenishing the liquid, the buffer tank 13 communicating with the heat exchanger 10. The coolant liquid is equipped with in the buffer tank 13, and when the coolant liquid of cooling cycle the inside produced the consumption because of reasons such as seepage or thermal evaporation, thereby buffer tank 13 can annotate the effect that liquid played the supplementary coolant liquid to the heat converter, according to the utility model discloses a some concrete embodiment, but dispose open closed moisturizing interface 12 on the buffer tank 13, moisturizing interface 12 is in the normally closed state, when the coolant liquid in the buffer tank 13 is replenished to needs, opens moisturizing interface 12 and can supply the coolant water as required under the state of not shutting down.

According to some embodiments of the present invention, the material of the cooling plate 14 is an aluminum alloy material. The metal material such as aluminum alloy material has good heat conduction effect, is suitable for being used as a heat dissipation structure, has small density, certain strength and good machinability, and is suitable for processing an internal cavity and mounting a bearing heating device 15 such as an IGBT. Of course, other materials with good thermal conductivity, such as copper, can be used for the cooling plate 14.

According to some embodiments of the invention, the shape of the cavity is configured as a flow channel shape. The cavity is processed into a flow channel shape, so that the surface area of the cavity can be increased, the heat transfer effect between the cooling liquid and the cooling plate 14 is improved, and the heat dissipation effect of the heating device cooling device is improved. Specifically, the shape of the flow channel may be an S-shaped flow channel, a U-shaped flow channel, or the like, or may be designed such that dense flow channels are provided in the contact surface area of the cooling plate 14 and the heat generating device 15, and sparse flow channels are provided in other areas.

According to the utility model provides an electrical equipment, reach including the device that generates heat 15 the utility model provides a device cooling device generates heat, device 15 that generates heat sets up on cooling plate 14. Specifically, the cooling plate 14 may be a flat plate, the plurality of heat generating devices 15 are disposed on one side of the cooling plate 14, and the heat dissipating surfaces of the heat generating devices 15 are attached to the cooling plate 14, so as to improve the efficiency of transferring heat generated by the heat generating devices 15 to the cooling plate 14. In addition, a heat conductive material such as heat conductive silicone grease may be coated on the cooling plate 14 to further improve the efficiency of heat generated by the heat generating device 15 being conducted to the cooling plate 14.

According to the utility model provides an electrical equipment, through adopting the utility model provides a device cooling device generates heat can carry out effectual heat dissipation to the device 15 that generates heat that electrical equipment set up, for example the IGBT of high-power specification, can reduce because the electrical equipment trouble that electronic components overheated the leads to, electrical equipment job stabilization.

According to some embodiments of the utility model, electrical control equipment includes electric cabinet 20, and cooling plate 14 sets up in electric cabinet 20, specifically, except that the device 15 that generates heat in the electrical control equipment, still can include other electronic components to constitute complete circuit. These electronic components may be provided on the cooling plate 14 or may be provided at other positions within the electric cabinet 20. The heating device 15 is the main heating source in the circuit, but other electronic components in the electric cabinet 20 such as electric capacity, inductance also can generate heat, and the temperature that also can lead to the incasement of generating heat of these electronic components risees, according to some embodiments of the utility model, the electric cabinet 20 is provided with fan 22. In some embodiments, the fan 22 is disposed on the top surface of the electric cabinet 20, the bottom surface of the electric cabinet 20 is provided with a through hole, so as to form an airflow channel communicating the inside of the electric cabinet 20 with the external environment, the fan 22 may be a blowing fan or an exhaust fan, and the fan 22 performs air cooling heat dissipation on the inside of the electric cabinet 20, so as to dissipate heat for other electronic components in the electric cabinet, and assist the heating device cooling device, thereby improving the heat dissipation effect on the heating device 15.

According to the utility model discloses a some embodiments, the quantity of electric cabinet 20 sets up to a plurality ofly, and the range upon range of setting of each electric cabinet 20, the electric cabinet 20 at top are provided with fan 22, communicate through ventilation hole 23 between all the other each electric cabinet 20. In some embodiments, as shown in fig. 4, the electronic control device is provided with 3 electronic control boxes 20, the 3 electronic control boxes 20 are arranged in a vertically stacked manner, an air flow channel communicated vertically is formed between the 3 electronic control boxes 20, the fan 22 is an exhaust fan, an air flow from bottom to top is formed, and air cooling and heat dissipation are performed on the interiors of the 3 electronic control boxes 20. Of course, an air-cooling heat dissipation method may be adopted in which the fan 22 is provided for each electric cabinet 20.

The electric control device provided by the present invention is described in detail with a specific embodiment with reference to fig. 1, fig. 2, fig. 3, and fig. 4. It is to be understood that the following description is illustrative only and is not intended as a specific limitation on the invention.

The embodiment of the utility model provides a including cold water machine, electric cabinet 20.

As shown in fig. 3, three electric cabinets 20 are arranged in an overlapped manner in an electric control device, the electric cabinet 20 at the top is provided with a fan 22, each electric cabinet 20 is communicated with the other through a vent 23, a cooling plate 14 is arranged inside each electric cabinet 20, two heating devices 15 are arranged on the cooling plate 14, specifically, the fan 22 is an exhaust fan, the heating devices 15 are IGBTs, and the cooling plate 14 is made of aluminum alloy material.

The cooling plate 14 is internally provided with a cavity, the cavity is in a flow channel shape, the cavity comprises a liquid inlet 18 and a liquid outlet 16 which are communicated with the outside, the water chiller comprises a heat converter 10, the heat converter 10 is connected with the liquid inlet 18 through a water inlet pipe 19, and the heat converter 10 is connected with the liquid outlet 16 through a water outlet pipe 17. The water chiller further comprises a heat dissipation fan 6 for dissipating heat and a cache tank 13 for supplementing cooling liquid, and the cache tank 13 is provided with an openable and closable water supplementing interface 12.

According to the utility model discloses electrical equipment, through adopting above design, can realize such some functions at least: under the working state, the heat converter 10 injects the cooling liquid into the cavity through the water inlet pipe 19, the cooling liquid absorbs the heat conducted by each heating device 15, and then flows back to the heat converter 10 through the water outlet pipe 17, the heat converter 10 reduces the temperature of the heated cooling liquid to the set temperature, and then injects the cooling liquid into the cavity again, so as to realize the circulating refrigeration of the heating devices 15. The cooling effect of the water chiller is good, the heating device 15 can be kept at a proper temperature, and the situation of overheating damage is avoided. The cold water machine adopts air-cooled cold water machine, and the cold water machine passes through heat dissipation fan 6 and conducts the heat that enters heat converter 10 with the coolant liquid and discharges, and the buffer tank 13 of cold water machine can in time supply the coolant liquid of loss in the course of the work, through moisturizing interface 12, can also carry out the notes liquid of not shutting down to buffer tank 13 and supply.

The three electric cabinets 20 form an air flow channel which is communicated up and down, the exhaust fan arranged at the top enables air flow from bottom to top to be formed in the air flow channel, electronic components inside the electric cabinets 20 are cooled by air cooling, and the water cooler is assisted to dissipate heat of the heating devices 15.

Through the liquid pipeline that sets up the intercommunication, a cold water machine is shared to three electric cabinet 20, and through the gas flow channel that sets up the intercommunication, an exhaust fan is shared to three electric cabinet 20, has played the beneficial effect of practicing thrift the cost, reducing installation space, reducing control system complexity under the prerequisite that satisfies the heat dissipation requirement.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A heat generating device cooling apparatus characterized by comprising:

the cooling plate (14), a cavity is formed inside the cooling plate (14), the cavity comprises a liquid inlet (18) and a liquid outlet (16) which are communicated with the outside, and the cooling plate (14) is used for cooling the heat generating device (15);

a water chiller comprising a heat exchanger (10), the liquid inlet (18) and the liquid outlet (16) being connected to the heat exchanger (10).

2. A heat generating device cooling apparatus according to claim 1, characterized in that: the water chiller is an air-cooled water chiller which comprises a heat dissipation fan (6).

3. A heat generating device cooling apparatus according to claim 1, characterized in that: the water chiller comprises a buffer tank (13) for replenishing liquid.

4. A heat generating device cooling apparatus according to claim 3, characterized in that: the buffer tank (13) is provided with a water replenishing interface (12) which can be opened and closed.

5. A heat generating device cooling apparatus according to claim 1, characterized in that: the cooling plate (14) is made of an aluminum alloy material.

6. A heat generating device cooling apparatus according to claim 1, characterized in that: the cavity is shaped as a flow channel.

7. An electrically controlled device, characterized by: the electric control apparatus includes a heat generating device (15) and the heat generating device cooling apparatus according to any one of claims 1 to 6, the heat generating device (15) being provided on the cooling plate (14).

8. The electrically controlled apparatus according to claim 7, characterized in that: the electric control device comprises an electric cabinet (20), and the cooling plate (14) is arranged in the electric cabinet (20).

9. The electrically controlled apparatus according to claim 8, characterized in that: the electric cabinet (20) is provided with a fan (22).

10. The electrically controlled apparatus according to claim 9, characterized in that: the number of the electric control boxes (20) is set to be multiple, the electric control boxes (20) are arranged in a stacked mode, the electric control boxes (20) on the top are provided with the fans (22), and the electric control boxes (20) are communicated through the ventilation holes (23).