CN210123181U - Air conditioner and frequency converter heat dissipation device thereof - Google Patents
Air conditioner and frequency converter heat dissipation device thereof Download PDFInfo
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- CN210123181U CN210123181U CN201920665350.8U CN201920665350U CN210123181U CN 210123181 U CN210123181 U CN 210123181U CN 201920665350 U CN201920665350 U CN 201920665350U CN 210123181 U CN210123181 U CN 210123181U
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Abstract
The utility model discloses an air conditioner and converter heat abstractor thereof, wherein, converter heat abstractor includes: a first heat sink; a second heat sink; a third heat sink; the first electronic expansion valve is used for adjusting the refrigerant flow of the first radiator according to the pipe temperature of the first switch pipe and the preset temperature; the second electronic expansion valve is used for adjusting the refrigerant flow of the second radiator according to the pipe temperature of the second switch pipe and the preset temperature; the third electronic expansion valve is used for adjusting the refrigerant flow of the third radiator according to the pipe temperature of the third switching pipe and the preset temperature; the cooling dehumidification evaporator is used for reducing the internal environment temperature and humidity of the frequency converter; the fan is used for circulating air inside the frequency converter; and the throttling device is used for adjusting the refrigerant flow of the cooling and dehumidifying evaporator. Therefore, the refrigerant flow of the corresponding radiator is adjusted, the refrigerant flow of the radiator is uniformly distributed, the service life of the switch tube is prolonged, and the cooling dehumidification evaporator and the fan are arranged to reduce the risk of condensation inside the frequency converter.
Description
Technical Field
The utility model relates to an air conditioning technology field especially relates to a converter heat abstractor and an air conditioner of air conditioner.
Background
The air conditioner of the related art generally performs centralized heat dissipation only on the power module, and generally adopts a refrigerant heat sink heat dissipation method.
However, the related art has problems in that when the refrigerant flow rate of the refrigerant radiator is unevenly distributed, the operating current of the power module is unstable, thereby reducing the life span of the power module, reducing the reliability of the power module, and the like, and in addition, there is a risk of condensation in addition to the power module.
SUMMERY OF THE UTILITY MODEL
The present invention aims at solving at least one of the technical problems in the related art to a certain extent. Therefore, the utility model discloses a first aim at provides a converter heat abstractor of air conditioner can ensure that radiator refrigerant flow distribution is even, improves the switch tube life-span to reduce the inside condensation risk of converter.
A second object of the present invention is to provide an air conditioner.
In order to achieve the above object, the utility model discloses a converter heat abstractor of air conditioner that first aspect provided includes: the system comprises a first radiator, a second radiator, a third radiator, a first electronic expansion valve connected with the first radiator, a second electronic expansion valve connected with the second radiator, a third expansion valve connected with the third radiator, a cooling and dehumidifying evaporator, a fan and a throttling device connected with the cooling and dehumidifying evaporator; the first radiator is used for radiating the first switch tube; the second radiator is used for radiating heat of the second switch tube; the third radiator is used for radiating heat of the third switch tube; the first electronic expansion valve is used for adjusting the refrigerant flow of the first radiator according to the pipe temperature of the first switch pipe and the preset temperature; the second electronic expansion valve is used for adjusting the refrigerant flow of the second radiator according to the pipe temperature of the second switch pipe and the preset temperature; the third electronic expansion valve is used for adjusting the refrigerant flow of the third radiator according to the tube temperature of the third switching tube and the preset temperature; the cooling dehumidification evaporator is used for reducing the internal environment temperature and humidity of the frequency converter; the fan is used for circulating air inside the frequency converter; and the throttling device is used for adjusting the refrigerant flow of the cooling and dehumidifying evaporator.
According to the utility model discloses a converter heat abstractor of air conditioner, according to the gentle preset temperature of the pipe of first switch tube, the refrigerant flow through the first radiator of first electronic expansion valve adjustment, and according to the gentle preset temperature of the pipe of second switch tube, the refrigerant flow through second electronic expansion valve adjustment second radiator, and according to the gentle preset temperature of the pipe of third switch tube, the refrigerant flow through third electronic expansion valve adjustment third radiator, and reduce the inside ambient temperature of converter and humidity and through the inside air of fan circulation converter through cooling dehumidification evaporimeter, therefore, the refrigerant flow through the adjustment corresponding radiator, ensure that radiator refrigerant flow distribution is even, improve the switch tube life-span, and set up cooling dehumidification evaporimeter and fan, with the inside condensation risk of reduction converter.
In addition, according to the utility model discloses foretell converter heat abstractor of air conditioner can also have following additional technical characterstic:
in some examples, the frequency converter heat sink further comprises: a fourth radiator and a fourth electronic expansion valve connected to the fourth radiator; the fourth heat radiator is used for radiating heat of the first diode; and the fourth electronic expansion valve is used for adjusting the refrigerant flow of the fourth radiator according to the tube temperature of the first diode and the preset temperature.
In some examples, the first heat sink, the second heat sink, the third heat sink, and the fourth heat sink are coolant heat sinks.
In some examples, one end of the inverter heat sink is connected to one end of the refrigerant throttle and to the inlet of the evaporator, and the other end of the inverter heat sink is connected to the other end of the refrigerant throttle and to the outlet of the condenser.
In some examples, one end of the first radiator is connected to an outlet of the condenser, the other end of the first radiator is connected to one end of the first electronic expansion valve, and the other end of the first electronic expansion valve is connected to an inlet of the evaporator; one end of the second radiator is connected with an outlet of the condenser, the other end of the second radiator is connected with one end of the second electronic expansion valve, and the other end of the second electronic expansion valve is connected with an inlet of the evaporator; one end of the third radiator is connected with an outlet of the condenser, the other end of the third radiator is connected with one end of the third electronic expansion valve, and the other end of the third electronic expansion valve is connected with an inlet of the evaporator; one end of the fourth radiator is connected with an outlet of the condenser, the other end of the fourth radiator is connected with one end of the fourth electronic expansion valve, and the other end of the fourth electronic expansion valve is connected with an inlet of the evaporator.
In some examples, one end of the throttling device is connected with one end of the cooling and dehumidifying evaporator, the other end of the throttling device is connected with the outlet of the condenser, and the other end of the cooling and dehumidifying evaporator is connected with the inlet of the evaporator.
In some examples, the fan is disposed adjacent to the cooling dehumidification evaporator.
In some examples, the throttling device is a capillary tube or an electronic expansion valve.
In some examples, the first switch tube, the second switch tube and the third switch tube are Insulated Gate Bipolar Transistors (IGBTs).
In order to achieve the above object, a second aspect of the present invention provides an air conditioner, which includes the inverter heat dissipation device of the air conditioner.
According to the utility model discloses an air conditioning system, through adopting the converter heat abstractor of above-mentioned air conditioner, through the refrigerant flow that the adjustment corresponds the radiator, ensures that radiator refrigerant flow distribution is even, improves the switch tube life-span to set up cooling dehumidification evaporimeter and fan, with the inside condensation risk of reduction converter.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
Fig. 1 is a schematic block diagram of a frequency converter heat dissipation device of an air conditioner according to an embodiment of the present invention;
fig. 2 is a schematic block diagram of an inverter heat sink of an air conditioner according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a frequency converter heat dissipation device of an air conditioner according to an embodiment of the present invention;
fig. 4 is a schematic connection diagram of an inverter heat sink of an air conditioner according to an embodiment of the present invention;
fig. 5 is a schematic block diagram of an air conditioner according to an embodiment of the present invention.
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 and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
The present invention will be described with reference to the accompanying drawings.
Fig. 1 is a schematic block diagram of a frequency converter heat dissipation device of an air conditioner according to the present invention.
As shown in fig. 1, an inverter heat sink 100 of an air conditioner includes: a first radiator 10, a second radiator 20, a third radiator 30, a first electronic expansion valve 101 connected to the first radiator 10, a second electronic expansion valve 201 connected to the second radiator 20, a third expansion valve 301 connected to the third radiator 30, a cooling dehumidifying evaporator 50, a fan 60, and a throttle 501 connected to the cooling dehumidifying evaporator 50.
The first radiator 10 is used for radiating heat of the first switch tube; the second radiator 20 is used for radiating heat of the second switch tube; the third radiator 30 is used for radiating heat of the third switching tube; the first electronic expansion valve 101 is configured to adjust a refrigerant flow rate of the first radiator 10 according to a tube temperature of the first switching tube and a preset temperature; the second electronic expansion valve 201 is configured to adjust a refrigerant flow rate of the second radiator 20 according to a pipe temperature of the second switching pipe and a preset temperature; the third electronic expansion valve 301 is configured to adjust the refrigerant flow rate of the third radiator 30 according to the tube temperature of the third switching tube and a preset temperature; the cooling dehumidifying evaporator 50 is used for reducing the internal environment temperature and humidity of the frequency converter; the fan 60 is used for circulating air inside the inverter; the throttle device 501 is used to adjust the flow rate of the refrigerant for cooling the dehumidifying evaporator 50.
Optionally, the first radiator 10, the second radiator 20, the third radiator 30, and the fourth radiator 40 are coolant radiators, and the first switch tube, the second switch tube, and the third switch tube are insulated gate bipolar transistors IGBT.
Specifically, in an example of the utility model, when the pipe temperature of first switch tube was greater than preset temperature, can regard as the unable current heat dissipation demand that satisfies first switch tube of first radiator 10, at this moment, promote the aperture through controlling first electronic expansion valve 101 to increase the refrigerant flow of first radiator 10, thereby, promote the radiating effect of first radiator 10, reduce the pipe temperature of first switch tube. In addition, after the opening degree of the first electronic expansion valve 101 is increased, if the pipe temperature of the first switching pipe is still greater than the preset temperature, the opening degree of the first electronic expansion valve 101 is continuously controlled to be increased.
It should be noted that, in the example of the present invention, the control logic of the second electronic expansion valve 201 and the third electronic expansion valve 301 is identical to the control logic of the first electronic expansion valve 101, and is not described herein again.
In addition, the frequency converter heat dissipation device 100 also reduces the internal environment temperature and humidity of the frequency converter through the cooling and dehumidifying evaporator 50, and circulates the internal air of the frequency converter through the fan 60 to cool and dry the internal air of the frequency converter, thereby reducing the risk of internal condensation of the frequency converter.
Further, in an example of the present invention, as shown in fig. 2, the heat sink device 100 of the frequency converter further includes: a fourth radiator 40 and a fourth electronic expansion valve 401 connected to the fourth radiator 40;
the fourth heat sink 40 is used for dissipating heat of the first diode; the fourth electronic expansion valve 401 is configured to adjust a refrigerant flow rate of the fourth heat sink 40 according to a tube temperature of the first diode and a preset temperature.
That is to say, in an example of the present invention, when the tube temperature of the first diode is greater than the preset temperature, the fourth electronic expansion valve 401 is controlled to be lifted to the preset opening degree, and when the tube temperature of the first diode is less than or equal to the preset temperature, the fourth electronic expansion valve 401 is controlled to be lowered to the preset opening degree.
Specifically, the utility model discloses an in an example, after fourth electronic expansion valve 401 promoted to predetermine the aperture, if the pipe temperature of first diode still is greater than predetermineeing the temperature, then continue to control fourth electronic expansion valve 401 and promote to predetermine the aperture to and, after fourth electronic expansion valve 401 reduces to predetermine the aperture, if the pipe temperature of first diode still is less than or equal to and predetermines the temperature, then continue to control fourth electronic expansion valve 401 and reduce and predetermine the aperture.
Further, as shown in fig. 3, one end of the inverter heat sink 100 is connected to one end of the refrigerant throttle valve c and to an inlet of the evaporator d, and the other end of the inverter heat sink 100 is connected to the other end of the refrigerant throttle valve c and to an outlet of the condenser e.
It should be noted that the refrigerant of the air conditioner enters the compressor INC to be compressed into a high-temperature and high-pressure gaseous refrigerant, then enters the condenser e to be condensed into a high-pressure liquid refrigerant, then passes through the refrigerant throttle valve c to be converted into a low-pressure two-phase state, i.e., a gas-liquid mixed state, and enters the evaporator d to be evaporated into a gaseous refrigerant, and then enters the compressor INC again, thereby realizing one-time circulation of the refrigerant.
It can be understood that the utility model discloses an among the converter heat abstractor 100 of air conditioner, the one end through refrigerant passageway b links to each other with refrigerant choke valve c's one end to and link to each other with evaporimeter d's entry, refrigerant passageway b's the other end links to each other with refrigerant choke valve c's the other end, and links to each other with condenser e's export, thereby, partial liquid refrigerant can get into refrigerant radiator c, in order to dispel the heat for converter an, and with the refrigerant through refrigerant choke valve c, get into evaporimeter d in the lump.
Further, as shown in fig. 4, one end of the first radiator 10 is connected to an outlet of the condenser e, the other end of the first radiator 10 is connected to one end of a first electronic expansion valve 101, and the other end of the first electronic expansion valve 101 is connected to an inlet of the evaporator d; one end of the second radiator 20 is connected with an outlet of the condenser e, the other end of the second radiator 20 is connected with one end of a second electronic expansion valve 201, and the other end of the second electronic expansion valve 201 is connected with an inlet of the evaporator d; one end of the third radiator 30 is connected to an outlet of the condenser e, the other end of the third radiator 30 is connected to one end of the third electronic expansion valve 301, and the other end of the third electronic expansion valve 301 is connected to an inlet of the evaporator d; one end of the fourth radiator 40 is connected to an outlet of the condenser e, the other end of the fourth radiator 40 is connected to one end of a fourth electronic expansion valve 401, and the other end of the fourth electronic expansion valve 401 is connected to an inlet of the evaporator d.
Particularly, in the example of the utility model, when the pipe temperature of switch tube is greater than when predetermineeing the temperature, the electronic expansion valve that control corresponds promotes and predetermines the aperture, increase the refrigerant flow that corresponds the radiator, in order to promote the radiating effect who corresponds the radiator, reduce the pipe temperature that corresponds the switch tube, in addition, when the pipe temperature of switch tube is less than or equal to and predetermines the temperature, the electronic expansion valve that control corresponds reduces and predetermines the aperture, reduce the refrigerant flow that corresponds the radiator, in order to reduce the radiating effect who corresponds the radiator, improve the pipe temperature that corresponds the switch tube. Therefore, the tube temperature of each switch tube is controlled to be the same or similar, so that the current balance of each switch tube is facilitated, and the service life of each switch tube is prolonged.
Further, one end of the throttling device 501 is connected to one end of the cooling and dehumidifying evaporator 50, the other end of the throttling device 60 is connected to an outlet of the condenser, and the other end of the cooling and dehumidifying evaporator 50 is connected to an inlet of the evaporator.
That is, the throttle device 501 controls the flow rate of the refrigerant for cooling the dehumidifying evaporator 50.
Further, the throttling device 501 may be a capillary tube or an electronic expansion valve.
That is, the utility model discloses an inverter heat abstractor 100 of air conditioner is through setting up throttling arrangement 501 as capillary or electronic expansion valve, throttles cooling dehumidification evaporator 50 to ensure that the evaporating pressure of cooling dehumidification evaporator 50 is less than or equal to the evaporating pressure of first radiator 10, second radiator 20, third radiator 30 and fourth radiator 40.
Further, as shown in fig. 4, a fan 60 is disposed adjacent to the cooling and dehumidifying evaporator 50.
It is understood that the air cooled and dehumidified by the cooling and dehumidifying evaporator 50 is blown to the inside of the inverter by the fan 60 to dissipate heat of other electric devices inside the inverter, such as a capacitor, a reactor, a circuit breaker, and the like.
To sum up, according to the utility model discloses a converter heat abstractor of air conditioner, according to the gentle preset temperature of the pipe of first switch tube, the refrigerant flow through first electronic expansion valve adjustment first radiator, and according to the gentle preset temperature of the pipe of second switch tube, the refrigerant flow through second electronic expansion valve adjustment second radiator, and according to the gentle preset temperature of the pipe of third switch tube, the refrigerant flow through third electronic expansion valve adjustment third radiator, and reduce the inside ambient temperature of converter and humidity and through the inside air of fan cycle converter through cooling dehumidification evaporimeter, therefore, through the refrigerant flow of adjustment corresponding radiator, ensure that radiator refrigerant flow distribution is even, improve the switch tube life-span, and set up cooling dehumidification evaporimeter and fan, with the inside condensation risk of reduction converter.
Fig. 5 is a schematic block diagram of an air conditioner according to an embodiment of the present invention.
As shown in fig. 5, the air conditioner 1000 of the present invention includes the inverter heat sink 100 of the air conditioner.
To sum up, according to the utility model discloses an air conditioner, through adopting the converter heat abstractor of above-mentioned air conditioner, through the refrigerant flow that the adjustment corresponds the radiator, ensure that radiator refrigerant flow distribution is even, improve the switch tube life-span to set up cooling dehumidification evaporimeter and fan, with the inside condensation risk of reduction converter.
It should be noted that the logic and/or steps represented in the flowcharts or otherwise described herein, such as an ordered listing of executable instructions that can be considered to implement logical functions, can be embodied in any computer-readable medium for use by or in connection with an instruction execution system, apparatus, or device, such as a computer-based system, processor-containing system, or other system that can fetch the instructions from the instruction execution system, apparatus, or device and execute the instructions. For the purposes of this description, a "computer-readable medium" can be any means that can contain, store, communicate, propagate, or transport the program for use by or in connection with the instruction execution system, apparatus, or device. More specific examples (a non-exhaustive list) of the computer-readable medium would include the following: an electrical connection (electronic device) having one or more wires, a portable computer diskette (magnetic device), a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber device, and a portable compact disc read-only memory (CDROM). Additionally, the computer-readable medium could even be paper or another suitable medium upon which the program is printed, as the program can be electronically captured, via for instance optical scanning of the paper or other medium, then compiled, interpreted or otherwise processed in a suitable manner if necessary, and then stored in a computer memory.
It should be understood that portions of the present invention may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., 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 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.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., 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 invention. In this specification, the schematic representations of the terms used above are not necessarily intended to 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. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (10)
1. The utility model provides a converter heat abstractor of air conditioner which characterized in that, converter heat abstractor includes: the system comprises a first radiator, a second radiator, a third radiator, a first electronic expansion valve connected with the first radiator, a second electronic expansion valve connected with the second radiator, a third electronic expansion valve connected with the third radiator, a cooling and dehumidifying evaporator, a fan and a throttling device connected with the cooling and dehumidifying evaporator;
the first radiator is used for radiating the first switch tube;
the second radiator is used for radiating heat of the second switch tube;
the third radiator is used for radiating heat of the third switch tube;
the first electronic expansion valve is used for adjusting the refrigerant flow of the first radiator according to the pipe temperature of the first switch pipe and the preset temperature;
the second electronic expansion valve is used for adjusting the refrigerant flow of the second radiator according to the pipe temperature of the second switch pipe and the preset temperature;
the third electronic expansion valve is used for adjusting the refrigerant flow of the third radiator according to the tube temperature of the third switching tube and the preset temperature;
the cooling dehumidification evaporator is used for reducing the internal environment temperature and humidity of the frequency converter;
the fan is used for circulating air inside the frequency converter;
and the throttling device is used for adjusting the refrigerant flow of the cooling and dehumidifying evaporator.
2. The apparatus of claim 1, wherein the inverter heat sink further comprises:
a fourth radiator and a fourth electronic expansion valve connected to the fourth radiator;
the fourth heat radiator is used for radiating heat of the first diode;
and the fourth electronic expansion valve is used for adjusting the refrigerant flow of the fourth radiator according to the tube temperature of the first diode and the preset temperature.
3. The apparatus of claim 2, wherein the first heat sink, the second heat sink, the third heat sink, and the fourth heat sink are coolant heat sinks.
4. The apparatus of claim 3, wherein one end of the inverter heat sink is coupled to one end of the refrigerant throttle valve and to an inlet of the evaporator, and the other end of the inverter heat sink is coupled to the other end of the refrigerant throttle valve and to an outlet of the condenser.
5. The apparatus of claim 4, wherein one end of the first radiator is connected to an outlet of the condenser, the other end of the first radiator is connected to one end of the first electronic expansion valve, and the other end of the first electronic expansion valve is connected to an inlet of the evaporator;
one end of the second radiator is connected with an outlet of the condenser, the other end of the second radiator is connected with one end of the second electronic expansion valve, and the other end of the second electronic expansion valve is connected with an inlet of the evaporator;
one end of the third radiator is connected with an outlet of the condenser, the other end of the third radiator is connected with one end of the third electronic expansion valve, and the other end of the third electronic expansion valve is connected with an inlet of the evaporator;
one end of the fourth radiator is connected with an outlet of the condenser, the other end of the fourth radiator is connected with one end of the fourth electronic expansion valve, and the other end of the fourth electronic expansion valve is connected with an inlet of the evaporator.
6. The apparatus according to claim 4, wherein one end of said throttling means is connected to one end of said cooling dehumidifying evaporator, the other end of said throttling means is connected to an outlet of said condenser, and the other end of said cooling dehumidifying evaporator is connected to an inlet of said evaporator.
7. The apparatus of claim 1, wherein said fan is disposed adjacent said cooling dehumidification evaporator.
8. The apparatus of claim 1, wherein the throttling device is a capillary tube or an electronic expansion valve.
9. The apparatus of claim 1, wherein the first switch tube, the second switch tube, and the third switch tube are Insulated Gate Bipolar Transistors (IGBTs).
10. An air conditioner characterized by comprising the inverter heat dissipating apparatus according to any one of claims 1 to 9.
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CN201920665350.8U CN210123181U (en) | 2019-05-09 | 2019-05-09 | Air conditioner and frequency converter heat dissipation device thereof |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110145804A (en) * | 2019-05-09 | 2019-08-20 | 广东美的暖通设备有限公司 | The control method and device of frequency converter cooling device |
CN112856714A (en) * | 2021-02-19 | 2021-05-28 | 青岛海尔空调器有限总公司 | Refrigerant flow control method and device, electronic equipment and air conditioner |
CN114144030A (en) * | 2021-11-19 | 2022-03-04 | 珠海格力电器股份有限公司 | Heat dissipation device of frequency converter, control method and control device of heat dissipation device and electric appliance |
CN115183337A (en) * | 2022-06-23 | 2022-10-14 | 青岛海尔空调电子有限公司 | Method and device for radiating frequency conversion module of air conditioner and air conditioner |
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2019
- 2019-05-09 CN CN201920665350.8U patent/CN210123181U/en active Active
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110145804A (en) * | 2019-05-09 | 2019-08-20 | 广东美的暖通设备有限公司 | The control method and device of frequency converter cooling device |
CN110145804B (en) * | 2019-05-09 | 2024-04-16 | 广东美的暖通设备有限公司 | Control method and device for frequency converter heat dissipation device |
CN112856714A (en) * | 2021-02-19 | 2021-05-28 | 青岛海尔空调器有限总公司 | Refrigerant flow control method and device, electronic equipment and air conditioner |
CN114144030A (en) * | 2021-11-19 | 2022-03-04 | 珠海格力电器股份有限公司 | Heat dissipation device of frequency converter, control method and control device of heat dissipation device and electric appliance |
CN115183337A (en) * | 2022-06-23 | 2022-10-14 | 青岛海尔空调电子有限公司 | Method and device for radiating frequency conversion module of air conditioner and air conditioner |
CN115183337B (en) * | 2022-06-23 | 2023-11-24 | 青岛海尔空调电子有限公司 | Method and device for radiating frequency conversion module of air conditioner and air conditioner |
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