CN210610132U - Heat abstractor, converter and air conditioning unit - Google Patents
Heat abstractor, converter and air conditioning unit Download PDFInfo
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- CN210610132U CN210610132U CN201921109613.3U CN201921109613U CN210610132U CN 210610132 U CN210610132 U CN 210610132U CN 201921109613 U CN201921109613 U CN 201921109613U CN 210610132 U CN210610132 U CN 210610132U
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Abstract
The utility model discloses a heat abstractor, converter and air conditioning unit, wherein, heat abstractor includes: the refrigerant main pipeline comprises a refrigerant inlet and a refrigerant outlet and is used for heat exchange; the refrigerant supplementing pipeline is provided with a refrigerant input end and a communication port, the refrigerant supplementing pipeline is communicated with the refrigerant main pipeline through the communication port, and the communication port is located between the refrigerant inlet and the refrigerant outlet. The utility model discloses a heat abstractor, converter and air conditioning unit have solved the heat abstractor of converter among the prior art effectively and have the poor problem of radiating effect.
Description
Technical Field
The utility model relates to an air conditioner technical field particularly, relates to a heat abstractor, converter and air conditioning unit.
Background
In the prior art, for the heat generation of an IGBT (insulated Gate Bipolar transistor) module and an insulated Gate Bipolar transistor) module in a frequency converter, a heat dissipation device needs to be added to dissipate the heat of the IGBT module, and liquid cooling heat dissipation is generally used. As shown in fig. 1, in the heat dissipation device in the prior art, the refrigerant pipeline 10 ' is provided with a refrigerant inlet 11 ' and a refrigerant outlet 12 ', and the liquid cooling heat dissipation device with such a structure has a better heat dissipation effect near the refrigerant inlet than far from the refrigerant inlet, and the refrigerant far from the refrigerant inlet has a high temperature and an insufficient heat dissipation effect.
In summary, the heat dissipation device of the frequency converter in the prior art has the problem of poor heat dissipation effect.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides an in provide a heat abstractor, converter and air conditioning unit to there is the poor problem of radiating effect in the heat abstractor of converter among the solution prior art.
In order to achieve the above object, the present invention provides a heat dissipation device, including: the refrigerant main pipeline comprises a refrigerant inlet and a refrigerant outlet and is used for heat exchange; the refrigerant supplementing pipeline is provided with a refrigerant input end and a communication port, the refrigerant supplementing pipeline is communicated with the refrigerant main pipeline through the communication port, and the communication port is located between the refrigerant inlet and the refrigerant outlet.
Further, the pipeline distance between the communication port and the refrigerant inlet is equal to the pipeline distance between the communication port and the refrigerant outlet.
Furthermore, the refrigerant heat exchanger further comprises a heat exchange main body part, and the refrigerant main pipeline is located in the heat exchange main body part.
Furthermore, the refrigerant supplementing pipeline and the refrigerant main pipeline are both positioned in the heat exchange main body part.
Furthermore, the refrigerant quantity control device also comprises an electromagnetic valve, wherein the electromagnetic valve is arranged on the refrigerant supplementing pipeline, and the electromagnetic valve controls the refrigerant quantity of the refrigerant supplementing pipeline by controlling the opening degree of the valve.
According to another aspect of the present invention, there is provided a frequency converter, including the above heat dissipation device.
Further, the converter includes the IGBT module, and heat abstractor and IGBT module correspond the setting in order to dispel the heat to the IGBT module.
According to another aspect of the present invention, there is provided an air conditioning unit, including the above heat dissipation device.
The refrigerant supplementing pipeline is additionally arranged on the basis of the original structure of the heat dissipation device, the refrigerant supplementing pipeline is communicated to the middle position of the refrigerant main pipeline, the refrigerant supplementing pipeline is used for supplementing the refrigerant midway, the temperature of the refrigerant in the middle of the refrigerant main pipeline is reduced, the temperature of the whole refrigerant of the heat dissipation device is closer, and therefore the whole heat dissipation effect of the heat dissipation device is improved. In addition, it should be noted that, because the refrigerant is supplemented in the middle of the main refrigerant pipeline, the refrigerant with a very low temperature at the refrigerant inlet is not needed any more, thereby avoiding the occurrence of condensed water at the refrigerant inlet and having unexpected technical effects. And the whole temperature of the heat dissipation device is more balanced, and the temperature difference between the refrigerant inlet and the refrigerant outlet of the refrigerant main pipeline is reduced, so that the control of the cooling machine is facilitated, and the control logic is simplified.
Drawings
FIG. 1 is a schematic diagram of a heat dissipation device in the prior art;
fig. 2 is a schematic structural diagram of a heat dissipation device according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following drawings and specific examples, which should not be construed as limiting the invention.
In a frequency converter in the prior art, only one refrigerant inlet and one refrigerant outlet of a refrigerant pipeline of a general heat dissipation device for dissipating heat of an IGBT module are provided, as shown in fig. 1. Such structure can appear when the module generates heat seriously that the refrigerant imports and exports the difference in temperature very big, and the module radiating effect who keeps away from the refrigerant import is poor, and the difference in temperature of several IGBT modules is big, and the module high temperature of keeping away from the refrigerant import when serious can trigger the too high warning of module temperature, leads to the system to shut down.
Referring to fig. 2, according to an embodiment of the present invention, a heat dissipation device is provided, the heat dissipation device is applied to a frequency converter, especially for an IGBT module, the heat dissipation device of this embodiment includes a refrigerant main pipe 10 and a refrigerant supplementary pipe 20, the refrigerant main pipe 10 includes a refrigerant inlet 11 and a refrigerant outlet 12, and the refrigerant main pipe 10 is used for heat exchange; the refrigerant supply line 20 has a refrigerant input end 21 and a communication port 22, the refrigerant supply line 20 is communicated with the main refrigerant line 10 through the communication port 22, and the communication port 22 is located between the refrigerant inlet 11 and the refrigerant outlet 12.
A path of refrigerant supplement pipeline is added on the basis of the original structure of the heat dissipation device, the refrigerant supplement pipeline 20 is communicated to the middle position of the refrigerant main pipeline 10, the refrigerant supplement pipeline 20 serves as midway refrigerant supplement, the temperature of the refrigerant in the middle of the refrigerant main pipeline is reduced, the temperature of the whole refrigerant of the heat dissipation device is closer, and therefore the whole heat dissipation effect of the heat dissipation device is improved. In addition, it should be noted that, because the refrigerant is supplemented in the middle of the main refrigerant pipeline, the refrigerant with a very low temperature at the refrigerant inlet is not needed any more, thereby avoiding the occurrence of condensed water at the refrigerant inlet and having unexpected technical effects. And the whole temperature of the heat dissipation device is more balanced, and the temperature difference between the refrigerant inlet and the refrigerant outlet of the refrigerant main pipeline is reduced, so that the control of the cooling machine is facilitated, and the control logic is simplified.
Further preferably, the channel distance between the communication port 22 and the refrigerant inlet 11 is equal to the channel distance between the communication port 22 and the refrigerant outlet 12. Through the structural arrangement, the communication position of the refrigerant supplementing pipeline and the refrigerant main pipeline 10 is one half of the refrigerant main pipeline 10, so that the control logic can be simplified.
The heat dissipation device further comprises a heat exchange main body portion 30, and the refrigerant main pipeline 10 is located in the heat exchange main body portion 30. The heat exchange main body part 30 is used to be connected to a heat dissipation target or a heat dissipation object to perform heat exchange.
Preferably, the refrigerant supplement pipeline 20 and the refrigerant main pipeline 10 are both located in the heat exchange main body part 30. In such a structure, a part of the refrigerant supplementing pipeline 20 is also subjected to heat exchange, that is, the refrigerant enters from the two ends of the refrigerant inlet 11 and the refrigerant input end 21 of the heat sink and then exits from the refrigerant outlet 12 of the heat sink, so that the effect of reducing the overall temperature difference of the heat sink can be achieved.
The heat dissipation device further includes an electromagnetic valve 40, the electromagnetic valve 40 is disposed on the refrigerant supplement pipeline 20, and the electromagnetic valve 40 controls the refrigerant amount of the refrigerant supplement pipeline 20 by controlling the valve opening. The electromagnetic valve 40 is added to the refrigerant supplement pipeline 20, and the added electromagnetic valve 40 is controlled by the cooler, so that the opening degree of the valve can be controlled, and the input quantity of the refrigerant supplement pipeline 20 can be controlled. When the heat of the IGBT module is not high, the opening degree of a supplementary refrigerant can be reduced or not opened, and only the refrigerant of the refrigerant main pipeline is used for heat dissipation; when the module generates heat seriously, the opening of the electronic valve is increased, the refrigerant supplement amount is increased, and the balance of the whole refrigerant temperature of the heat dissipation device is ensured.
The utility model also provides an embodiment of converter, including the heat abstractor of above-mentioned embodiment. The converter includes the IGBT module, and heat abstractor corresponds the setting with the IGBT module in order to dispel the heat to the IGBT module.
The frequency converter of the embodiment has the following advantages: 1. the temperature of the refrigerant to each IGBT module is closer, and the module temperature control effect is better; 2. the problem of condensate water cannot occur due to the fact that the temperature of a refrigerant inlet is not too low; 3. the temperature of the refrigerant far away from the refrigerant inlet cannot be too high, and the heat dissipation effect of the IGBT module is better.
The utility model also provides an embodiment of an air conditioning unit, air conditioning unit include foretell heat abstractor.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.
Of course, the above is a preferred embodiment of the present invention. It should be noted that, for a person skilled in the art, several modifications and decorations can be made without departing from the basic principle of the present invention, and these modifications and decorations are also considered to be within the scope of the present invention.
Claims (8)
1. A heat dissipating device, comprising:
the refrigerant main pipeline (10), the refrigerant main pipeline (10) comprises a refrigerant inlet (11) and a refrigerant outlet (12), and the refrigerant main pipeline (10) is used for heat exchange;
the refrigerant supplementing pipeline (20) is provided with a refrigerant input end (21) and a communication port (22), the refrigerant supplementing pipeline (20) is communicated with the refrigerant main pipeline (10) through the communication port (22), and the communication port (22) is located between the refrigerant inlet (11) and the refrigerant outlet (12).
2. The heat dissipating device of claim 1,
the pipeline distance between the communication port (22) and the refrigerant inlet (11) is equal to the pipeline distance between the communication port (22) and the refrigerant outlet (12).
3. The heat sink according to claim 1, further comprising a heat exchange main body portion (30), wherein the primary refrigerant pipeline (10) is located inside the heat exchange main body portion (30).
4. The heat sink according to claim 3, wherein the refrigerant supplement pipeline (20) and the refrigerant main pipeline (10) are both located in the heat exchange main body portion (30).
5. The heat sink according to claim 1, further comprising an electromagnetic valve (40), wherein the electromagnetic valve (40) is disposed on the refrigerant supplement pipeline (20), and the electromagnetic valve (40) controls a refrigerant amount of the refrigerant supplement pipeline (20) by controlling a valve opening degree.
6. A frequency converter characterized by comprising the heat dissipating device of any one of claims 1 to 5.
7. The frequency converter according to claim 6, wherein the frequency converter comprises an IGBT module, and the heat dissipation device is arranged corresponding to the IGBT module to dissipate heat of the IGBT module.
8. An air conditioning assembly, characterized in that it comprises a heat dissipating device according to any one of claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921109613.3U CN210610132U (en) | 2019-07-15 | 2019-07-15 | Heat abstractor, converter and air conditioning unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921109613.3U CN210610132U (en) | 2019-07-15 | 2019-07-15 | Heat abstractor, converter and air conditioning unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210610132U true CN210610132U (en) | 2020-05-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921109613.3U Active CN210610132U (en) | 2019-07-15 | 2019-07-15 | Heat abstractor, converter and air conditioning unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210610132U (en) |
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2019
- 2019-07-15 CN CN201921109613.3U patent/CN210610132U/en active Active
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