CN210016811U - 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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- CN210016811U CN210016811U CN201920517672.8U CN201920517672U CN210016811U CN 210016811 U CN210016811 U CN 210016811U CN 201920517672 U CN201920517672 U CN 201920517672U CN 210016811 U CN210016811 U CN 210016811U
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Abstract
The utility model discloses an air conditioner and converter heat abstractor thereof, wherein, converter heat abstractor includes: the inversion module radiator is used for radiating heat for the inversion module; the rectifier module radiator is used for radiating heat of the rectifier module; the cooling and dehumidifying radiator is used for reducing the temperature and the humidity of the air inside the frequency converter; the throttling device is connected with the cooling and dehumidifying radiator; the fan is used for circulating air inside the frequency converter; wherein, the inversion module radiator, the rectification module radiator and the cooling dehumidification radiator are connected in pairs. From this, optimize the inside wind channel of converter through setting up the fan to through setting up the condensation risk that cooling dehumidification radiator reduces contravariant module and rectifier module simultaneously, thereby, reduce converter heat abstractor valve body, and promote converter heat abstractor's reliability.
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
In the related art, when the high-power frequency converter operates, a plurality of radiators are generally adopted to radiate heat of the rectifying module and the inverting module.
However, the related art has problems in that it is necessary to control the flow rate of the refrigerant of each radiator by providing a plurality of valve bodies, and there is a risk of condensation caused by cooling the refrigerant.
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 reduce converter heat abstractor valve body to promote converter heat abstractor's reliability.
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 inversion module radiator is used for radiating heat for the inversion module; the rectifier module radiator is used for radiating heat of the rectifier module; the cooling and dehumidifying radiator is used for reducing the temperature and the humidity of the air inside the frequency converter; the throttling device is connected with the cooling and dehumidifying radiator; a fan for circulating air inside the inverter; the inverter module radiator, the rectifier module radiator and the cooling and dehumidifying radiator are connected in pairs.
According to the utility model discloses a converter heat abstractor of air conditioner dispels the heat to the contravariant module through contravariant module radiator, dispels the heat to rectifier module through rectifier module radiator to reduce the inside air temperature of converter and humidity through cooling dehumidification radiator, and through the inside air of fan cycle converter. From this, optimize the inside wind channel of converter through setting up the fan to through setting up the condensation risk that cooling dehumidification radiator reduces contravariant module and rectifier module simultaneously, thereby, reduce converter heat abstractor valve body, and promote converter heat abstractor's reliability.
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, 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, the inverter module radiator, the rectifier module radiator and the cooling and dehumidifying radiator are connected in parallel.
In some examples, the inverter module heat sink, the rectifier module heat sink, and the cooling and dehumidifying heat sink are coolant heat sinks.
In some examples, the inverter module heat sink, the rectifier module heat sink and the cooling and dehumidifying heat sink are connected to each other through a refrigerant channel.
In some examples, one end of the throttling device is connected to one end of the cooling and dehumidifying radiator, the other end of the throttling device is connected to one ends of the inverter module radiator and the rectifier module radiator, and the other end of the cooling and dehumidifying radiator is connected to the other ends of the inverter module radiator and the rectifier module radiator.
In some examples, the throttling device is a capillary tube or an electronic expansion valve.
In some examples, the fan is disposed adjacent to the cooling dehumidification heat sink.
In some examples, the inverter module heat sink, the rectifier module heat sink, and the cooling dehumidification heat sink are water-cooled heat sinks.
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, optimize the inside wind channel of converter through setting up the fan to through setting up the condensation risk that cooling dehumidification radiator reduces contravariant module and rectifier module simultaneously, thereby, reduce converter heat abstractor valve body, and promote converter heat abstractor's reliability.
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 structural diagram of a connection manner of a heat dissipation device of a frequency converter according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an internal connection manner of a heat dissipation device of a frequency converter according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of the inside of a frequency converter 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 following describes an air conditioner and a heat dissipation device for a frequency converter according to an embodiment of the present invention with reference to the 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: the system comprises an inversion module radiator 1, a rectification module radiator 2, a cooling and dehumidifying radiator 3, a throttling device 4 and a fan 5.
Specifically, the inverter module heat sink 1 is used for dissipating heat of the inverter module a; the rectifying module radiator 2 is used for radiating the rectifying module b; the cooling and dehumidifying radiator 3 is used for reducing the temperature and humidity of the air inside the frequency converter; a throttle device 4 connected to the cooling dehumidifying radiator 3; the fan 5 is used for circulating air inside the frequency converter; wherein, the inversion module radiator 1, the rectification module radiator 2 and the cooling and dehumidifying radiator 3 are connected in pairs.
From this, optimize the inside wind channel of converter through setting up the fan to through setting up the condensation risk that cooling dehumidification radiator reduces contravariant module and rectifier module simultaneously, thereby, reduce converter heat abstractor valve body, and promote converter heat abstractor's reliability.
Further, as shown in fig. 2, 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.
Specifically, a 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 enters 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.
Further, the inverter module radiator 1, the rectifier module radiator 2 and the cooling and dehumidifying radiator 3 are connected in pairs in parallel.
That is to say, the utility model discloses a converter heat abstractor 100 of air conditioner links to each other two liang with contravariant module radiator 1, rectifier module radiator 2 and cooling dehumidification radiator 3 through parallelly connected mode.
Further, the inverter module heat sink 1, the rectifier module heat sink 2, and the cooling and dehumidifying heat sink 3 may be refrigerant heat sinks.
That is to say, according to the utility model discloses a specific embodiment sets up as the refrigerant radiator through with contravariant module radiator 1, rectifier module radiator 2 and cooling dehumidification radiator 3 to further promote the heat-sinking capability of the converter heat abstractor 100 of air conditioner.
Further, as shown in fig. 3, the inverter module radiator 1, the rectifier module radiator 2, and the cooling and dehumidifying radiator 3 are connected to each other through the refrigerant passage f.
It can be understood that, when the inverter module heat sink 1, the rectifier module heat sink 2 and the cooling dehumidification heat sink 3 are configured as refrigerant heat sinks, the inverter module heat sink 1, the rectifier module heat sink 2 and the cooling dehumidification heat sink 3 are connected to each other two by two through the refrigerant passage f.
It should be noted that, according to the utility model discloses a specific embodiment, as shown in FIG. 2, the one end of refrigerant passageway f links to each other with refrigerant choke valve c's one end to and link to each other with evaporimeter d's entry, the other end of refrigerant passageway f 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 the refrigerant radiator, dispel the heat for contravariant module a, rectifier module b and converter inside air, and with the refrigerant through refrigerant choke valve c, get into evaporimeter d in the lump.
Further, as shown in fig. 3, one end of the throttling device 4 is connected to one end of the cooling and dehumidifying radiator 3, the other end of the throttling device 4 is connected to one ends of the inverter module radiator 1 and the rectifier module radiator 2, and the other end of the cooling and dehumidifying radiator 3 is connected to the other ends of the inverter module radiator 1 and the rectifier module radiator 2.
It should be noted that, the throttling device connected to one end of the cooling and dehumidifying heat sink 4 is used to control the internal refrigerant pressure of the cooling and dehumidifying heat sink 4 to be less than or equal to the internal refrigerant pressure of the inverter module heat sink 1 and the rectifier module heat sink 2, in other words, the evaporation pressure of the cooling and dehumidifying heat sink 4 is less than or equal to the evaporation pressure of the inverter module heat sink 1 and the rectifier module heat sink 2.
Further, the throttling device 4 may be a capillary tube or an electronic expansion valve.
That is to say, the utility model discloses a converter heat abstractor 100 of air conditioner is through setting up throttling arrangement into capillary or electronic expansion valve, throttles cooling dehumidification radiator 4 to ensure that the evaporating pressure of cooling dehumidification radiator 4 is less than or equal to the evaporating pressure of contravariant module radiator 1 and rectifier module radiator 2.
Further, as shown in fig. 3 and 4, the fan 5 is disposed adjacent to the cooling dehumidifying heat sink 3.
It is understood that the air cooled and dehumidified by the cooling and dehumidifying radiator 3 is blown to the inside of the frequency converter by the fan 5 to dissipate heat of other electric devices inside the frequency converter, such as a capacitor, a reactor, a circuit breaker, and the like.
Further, the inverter module radiator 1, the rectifier module radiator 2 and the cooling and dehumidifying radiator 3 may be water-cooled radiators.
That is, in the inverter heat sink 100 of an air conditioner according to an embodiment of the present invention, the inverter module heat sink 1, the rectifier module heat sink 2 and the cooling dehumidifying heat sink 3 are configured as water cooling heat sinks.
The working principle of the inverter heat sink 100 of the air conditioner of the present invention will be described in detail with reference to a specific embodiment and fig. 3 and 4.
Specifically, according to the utility model discloses a specific embodiment, as shown in FIG. 4, inside contravariant module radiator 1, rectifier module radiator 2, the cooling dehumidification radiator 3, throttling arrangement 4, fan 5, electric capacity C, circuit breaker D and the reactance L of being provided with of converter, wherein, the dotted line is aforementioned refrigerant passageway f, and the arrow point is the inside air flow direction of converter.
For example, the air inside the frequency converter is cooled and dehumidified by the cooling and dehumidifying radiator 4, and is blown to the inside of the frequency converter by the fan 5, so as to realize the air circulation inside the frequency converter, and meanwhile, the throttling control is performed by the throttling device 3 connected with the cooling and dehumidifying radiator 4, so that the evaporation pressure of the cooling and dehumidifying radiator 4 is ensured to be less than or equal to that of the inverter module radiator 1 and the rectifier module radiator 2, and the air wet bulb temperature blown to the inside of the frequency converter by the fan 5 is less than the surface temperature of the inverter module radiator 1 and the rectifier module radiator 2.
Further, the air inside the frequency converter blown by the fan 5 is divided into two paths after passing through the cooling and dehumidifying radiator 4, one path passes through the surface of the capacitor C and the surface of the rectifier module radiator 2 to dissipate heat of the capacitor C, and the other path passes through the surface of the inverter module radiator 1.
It should be understood that, at this time, the air inside the frequency converter is cooled and dehumidified by the cooling and dehumidifying heat sink 4, the relative humidity is very low, and the wet bulb temperature of the air inside the frequency converter is lower than the surface temperatures of the inverter module heat sink 1 and the rectifier module heat sink 2, that is, when the inverter module heat sink 1 and the rectifier module heat sink 2 are in heat dissipation operation, condensation does not occur on the surfaces of the inverter module heat sink 1 and the rectifier module heat sink 2.
In addition, the air flowing through the surface of the inverter module heat sink 1 flows through the circuit breaker D to dissipate heat of the circuit breaker D, joins with the air flowing through the capacitor C, flows through the reactor L to cool the reactor L, and then returns to the fan 5 to complete primary air circulation inside the frequency converter.
To sum up, according to the utility model discloses a converter heat abstractor of air conditioner dispels the heat to the contravariant module through contravariant module radiator, dispels the heat to rectifier module through rectifier module radiator to reduce the inside air temperature of converter and humidity through cooling dehumidification radiator, and through the inside air of fan cycle converter. From this, optimize the inside wind channel of converter through setting up the fan to through setting up the condensation risk that cooling dehumidification radiator reduces contravariant module and rectifier module simultaneously, thereby, reduce converter heat abstractor valve body, and promote converter heat abstractor's reliability.
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, optimize the inside wind channel of converter through setting up the fan to through setting up the condensation risk that cooling dehumidification radiator reduces contravariant module and rectifier module simultaneously, thereby, reduce converter heat abstractor valve body, and promote converter heat abstractor's reliability.
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 inversion module radiator is used for radiating heat for the inversion module;
the rectifier module radiator is used for radiating heat of the rectifier module;
the cooling and dehumidifying radiator is used for reducing the temperature and the humidity of the air inside the frequency converter;
the throttling device is connected with the cooling and dehumidifying radiator;
a fan for circulating air inside the inverter;
the inverter module radiator, the rectifier module radiator and the cooling and dehumidifying radiator are connected in pairs.
2. The apparatus of claim 1, 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.
3. The apparatus of claim 1, wherein the inverter module radiator, the rectifier module radiator and the cooling dehumidification radiator are connected in parallel two by two.
4. The apparatus of claim 1, wherein the inverter module heat sink, the rectifier module heat sink, and the cooling dehumidification heat sink are coolant heat sinks.
5. The apparatus of claim 3, wherein the inverter module heat sink, the rectifier module heat sink and the cooling dehumidification heat sink are connected in pairs by refrigerant channels.
6. The apparatus of claim 1, wherein one end of the throttling device is connected to one end of the cooling and dehumidifying heat sink, the other end of the throttling device is connected to one ends of the inverter module heat sink and the rectifier module heat sink, and the other end of the cooling and dehumidifying heat sink is connected to the other ends of the inverter module heat sink and the rectifier module heat sink.
7. The apparatus of claim 1, wherein the throttling device is a capillary tube or an electronic expansion valve.
8. The apparatus of claim 1 wherein said fan is disposed adjacent said cooling dehumidification heat sink.
9. The apparatus of claim 1, wherein the inverter module heat sink, the rectifier module heat sink, and the cooling dehumidification heat sink are water cooled heat sinks.
10. An air conditioner characterized by comprising the inverter heat dissipating apparatus according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920517672.8U CN210016811U (en) | 2019-04-15 | 2019-04-15 | Air conditioner and frequency converter heat dissipation device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920517672.8U CN210016811U (en) | 2019-04-15 | 2019-04-15 | Air conditioner and frequency converter heat dissipation device thereof |
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| Publication Number | Publication Date |
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| CN210016811U true CN210016811U (en) | 2020-02-04 |
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| CN201920517672.8U Active CN210016811U (en) | 2019-04-15 | 2019-04-15 | Air conditioner and frequency converter heat dissipation device thereof |
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| CN (1) | CN210016811U (en) |
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