CN211909463U - Heat exchange structure of frequency converter - Google Patents
Heat exchange structure of frequency converter Download PDFInfo
- Publication number
- CN211909463U CN211909463U CN202020557477.0U CN202020557477U CN211909463U CN 211909463 U CN211909463 U CN 211909463U CN 202020557477 U CN202020557477 U CN 202020557477U CN 211909463 U CN211909463 U CN 211909463U
- Authority
- CN
- China
- Prior art keywords
- heat exchange
- heat
- dissipation plate
- heat dissipation
- exchange tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model discloses a converter heat transfer structure, including the converter board and be used for installing the installation panel beating of converter board, the installation panel beating has the first mounting surface and the second mounting surface that are parallel to each other, and the converter board is installed at first mounting surface, and the second mounting surface is provided with fluorine cold radiator and PTC heater, and the PTC heater setting is kept away from the surface of installation panel beating and is in close contact with fluorine cold radiator at fluorine cold radiator. By adopting the design of four rows of heat exchange tubes, the heat exchange area of the copper tube is increased, the heat exchange efficiency is increased, and the heat dissipation requirement of a large number of heat pump units is met; the auxiliary mode of adding the PTC heater can solve the use requirement of the special heating working condition of high ring temperature, high humidity and low water temperature, thereby avoiding the problem that the circuit board components and parts are short-circuited and burnt due to the fact that air condensation drips after the temperature of the frequency conversion board or other high-power devices is too low due to the fluorine cooling radiator.
Description
Technical Field
The utility model relates to a technical field of radiator especially relates to a converter heat transfer structure.
Background
Condensation can be understood literally as: condensed dew, so the condensation is also called condensation; condensation is a phenomenon in which water vapor condenses on objects having a relatively low temperature when reaching a saturation level in the air; the condensation phenomenon refers to the phenomenon of condensation of water drops on the surface of the inner wall of the cabinet body when the temperature of the surface of the inner wall of the cabinet body is reduced to be lower than the dew point temperature, and the phenomenon is called condensation.
The heat pump unit absorbs low temperature heat energy from environment heat source such as water and air by consuming certain auxiliary energy such as electric energy under the combined action of the compressor and the refrigerant circulating in the heat exchange system, and then converts the low temperature heat energy into high temperature heat energy to be released to circulating medium such as water and air to become high temperature heat source for output. The operation of the compressor consumes electric energy, and the operation of the compressor enables the continuously circulating refrigerant to generate different changing states and different effects, namely evaporation heat absorption and condensation heat release, in different systems, thereby achieving the effect and the purpose of recycling a low-temperature heat source to prepare a high-temperature heat source.
The current technical scheme is that the heat dissipation of a heating chip is realized by adopting a heat dissipation structure of a frequency converter heat exchange structure; however, the heat exchange structures of the existing frequency converters have a common property that under the unit heating condition, when the temperature of liquid in a copper pipe reaches the dew point temperature of outside air and the heat productivity of heating components is not enough to heat the surface temperature of a radiator to the ambient temperature, the phenomenon of water vapor condensation occurs on the surfaces of the heat exchange structures of the frequency converters and the components, so that the problem of short circuit and burnout of circuit board components is caused;
at present, the heat dissipation of a universal frequency converter heat exchange structure is realized through double-row fluorine circuit copper pipes, but for a large number of heat pump units, the heat dissipation of the double-row fluorine circuit copper pipes cannot meet the heat dissipation requirement of a heating chip.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides an aim at: in order to solve the problems, the utility model provides a heat exchange structure of a frequency converter, which adopts the design of four rows of heat exchange tubes, thereby increasing the heat exchange area of a copper tube and the heat exchange efficiency, and further satisfying the heat dissipation requirements of a large number of heat pump units; secondly, the auxiliary mode of adding the PTC heater can meet the use requirement of the special heating working condition of high ring temperature, high humidity and low water temperature, thereby avoiding the problem that the circuit board components and parts are short-circuited and burnt due to the fact that air condensation drips after the temperature of the frequency conversion board or other high-power devices is too low due to the low temperature of the fluorine cooling radiator.
In order to achieve the purpose, the utility model adopts the following technical proposal:
the utility model provides a converter heat transfer structure, include the converter board and be used for the installation panel beating of converter board, the installation panel beating has first mounting surface and the second mounting surface that is parallel to each other, the converter board is installed first mounting surface, the second mounting surface is provided with fluorine cold radiator and PTC heater, the PTC heater sets up fluorine cold radiator is kept away from the surface of installation panel beating and with fluorine cold radiator in close contact with.
As an optimized technical scheme of the heat exchange structure of the frequency converter, the fluorine-cooled radiator comprises a heat dissipation plate and a heat exchange tube arranged for heat exchange with the heat dissipation plate, the heat exchange tube is provided with a refrigerant inlet and a refrigerant outlet, the refrigerant inlet is connected with the water side heat exchanger, and the refrigerant outlet is connected with a throttling device.
As an optimized technical scheme of the heat exchange structure of the frequency converter, the heat dissipation plate is a rectangular aluminum plate, and the heat exchange tube is inserted into the heat dissipation plate.
As a preferable technical scheme of the heat exchange structure of the frequency converter, four rows of the heat exchange tubes are inserted into the heat dissipation plate, and the four rows of the heat exchange tubes are formed by bending the whole heat exchange tube.
As a preferable technical scheme of the heat exchange structure of the frequency converter, four rows of heat exchange tubes are inserted into the heat dissipation plate, and the four rows of heat exchange tubes are sequentially communicated through bent tubes to form complete heat exchange tubes.
As an optimal technical scheme of the heat exchange structure of the frequency converter, the four rows of heat exchange tubes are respectively a first heat exchange tube, a second heat exchange tube, a third heat exchange tube and a fourth heat exchange tube, and the axes of the four rows of heat exchange tubes are mutually parallel.
As a preferable technical scheme of the heat exchange structure of the frequency converter, the first heat exchange tube and the fourth heat exchange tube are communicated with each other through a first bent tube at the part of the upper portion of the heat dissipation plate extending out of the heat dissipation plate, and the second heat exchange tube and the third heat exchange tube are communicated with each other through a second bent tube at the part of the upper portion of the heat dissipation plate extending out of the heat dissipation plate.
As a preferable technical solution of the heat exchange structure of the frequency converter, the first heat exchange tube and the third heat exchange tube are communicated through a third elbow tube at a portion of the lower portion of the heat dissipation plate, which extends out of the heat dissipation plate.
As an optimized technical scheme of the heat exchange structure of the frequency converter, the refrigerant inlet and the refrigerant outlet are located on the same side of the heat dissipation plate.
As a preferable technical solution of the heat exchange structure of the frequency converter, the PTC heater is a rectangular structure, and the external dimension of the PTC heater is opposite to the external dimension of the heat dissipation plate.
Compared with the prior art, the beneficial effects of the utility model are that: 1. the utility model discloses an adopt four rows of heat exchange tube designs to increase the heat transfer area of heat exchange tube, increased heat exchange efficiency, thereby satisfied the heat dissipation demand of big number of heat pump set; 2. the utility model discloses an increase the auxiliary mode of PTC heater then can solve the user demand of the special operating mode that heats of this kind of high ring temperature high humidity low temperature to avoid inverter board or other high-power device to cross the difficult problem that circuit board components and parts short circuit that water leads to appear dripping because of fluorine cooling radiator temperature crosses low back air condensation and burns out.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Fig. 1 is the embodiment of the utility model discloses converter heat transfer structure spatial structure sketch map.
Fig. 2 is the embodiment of the utility model discloses the structural schematic diagram of converter heat exchange structure's heat exchange tube.
Fig. 3 is another schematic structural diagram of a heat exchange tube of the heat exchange structure of the frequency converter according to the embodiment of the present invention.
In the figure: 1. a frequency conversion plate; 2. mounting a metal plate; 3. a fluorine-cooled heat sink; 31. a heat dissipation plate; 32. a heat exchange pipe; 321. a first heat exchange tube; 322. a second heat exchange tube; 323. a third heat exchange tube; 324. a fourth heat exchange tube; 325. a first bend pipe; 326. a second bend pipe; 327. a third bend; 328. a refrigerant outlet; 329. a refrigerant inlet; 4. a PTC heater.
Detailed Description
In order to make the technical problem solved by the present invention, the technical solutions adopted by the present invention and the technical effects achieved by the present invention clearer, the embodiments of the present invention are described in further detail below, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
As shown in fig. 1-3, this embodiment provides a heat exchange structure of a frequency converter, including a frequency conversion plate 1 and an installation sheet metal 2 used for installing the frequency conversion plate 1, the installation sheet metal 2 has a first installation surface and a second installation surface that are parallel to each other, the frequency conversion plate 1 is installed on the first installation surface, the second installation surface is provided with a fluorine cold radiator 3 and a PTC heater 4, the PTC heater 4 is disposed on the surface of the fluorine cold radiator 3 far away from the installation sheet metal 2 and is in close contact with the fluorine cold radiator 3.
The principle of adding the variable frequency radiator of the PTC heater 4 is as follows:
under the heating working condition of high ring temperature, high humidity and low water temperature of a heat pump unit, the temperature of a refrigerant in a copper pipe is lower than that of an external environment and reaches the dew point temperature of air, the heat productivity of heating components is not enough to heat the surface temperature of the frequency conversion heat dissipation structure to the environment temperature, at the moment, a sensor in the components can feed back a current temperature signal to a control system to open the PTC heater 4, at the moment, the PTC heater 4 rapidly heats the frequency conversion heat dissipation structure, the heating time and power of the PTC heater 4 are controlled according to different conditions such as the working condition of the heat pump unit, the environment temperature and the like, the temperature of the whole frequency conversion heat dissipation structure is higher than the environment temperature by about 2 ℃, the heat balance is achieved, and the surface temperature of.
In an embodiment of the present invention, the fluorine-cooled heat sink 3 includes a heat dissipation plate 31 and a heat exchange tube 32 disposed on the heat dissipation plate 31 for heat exchange, the heat exchange tube 32 has a refrigerant inlet 329 and a refrigerant outlet 328, the refrigerant inlet 329 is connected to the water side heat exchanger, and the refrigerant outlet 328 is connected to the throttling device.
It should be noted that the heat dissipation plate 31 can be made of thick aluminum plates, the heat exchange tubes 32 sequentially penetrate through the heat dissipation plate 31 and pass through the refrigerant in the heat exchange tubes 32 to take away the heat of the thick aluminum plates, so as to cool the frequency conversion plate 1, thereby avoiding the problem that the short circuit of the circuit board components and parts caused by water dripping due to air condensation after the temperature of the fluorine cooling radiator 3 is too low in the frequency conversion plate 1 or other high-power devices.
It should be noted that the heat dissipation plate 31 and the heat exchange pipe 32 are arranged to exchange heat, such that the outer wall of the heat exchange pipe 32 contacts with the surface of the heat dissipation plate 31, or the heat exchange pipe 32 is inserted into the heat dissipation plate 31. The heat exchanger tube 32 is inserted into the heat sink 31 as an example.
As shown in fig. 1, the heat radiating plate 31 is a rectangular aluminum plate, and the heat exchanging pipe 32 is inserted into the heat radiating plate 31.
Concretely, the heat exchange tube 32 from supreme running through down rectangular aluminum plate is many times through adopting four rows the design of heat exchange tube 32 has thereby increased the heat transfer area of heat exchange tube 32 for carry out abundant heat transfer between the medium in the heat exchange tube 32 and the heating panel 31, and then make full use of fluorine cold radiator 3's heat, increased heat exchange efficiency, thereby satisfied the heat dissipation demand of big number of heat pump set.
As shown in fig. 2, the heat exchanging pipes 32 are inserted into the heat radiating plate 31 in four rows, and the four rows of heat exchanging pipes 32 are formed by bending the whole heat exchanging pipe 32.
Specifically, the four rows of heat exchange tubes 32 are respectively a first heat exchange tube 321, a second heat exchange tube 322, a third heat exchange tube 323 and a fourth heat exchange tube 324, and the axes of the four rows of heat exchange tubes 32 are parallel to each other. The first heat exchanging pipe 321 and the fourth heat exchanging pipe 324 are communicated with each other through a first bent pipe 325 at a portion of the upper portion of the heat dissipating plate 31 extending out of the heat dissipating plate 31, and the second heat exchanging pipe 322 is communicated with the third heat exchanging pipe 323 at a portion of the upper portion of the heat dissipating plate 31 extending out of the heat dissipating plate 31 through a second bent pipe 326. The first heat exchanging pipe 321 and the third heat exchanging pipe 323 are communicated through a third elbow 327 at a portion of the lower portion of the heat dissipating plate 31 extending out of the heat dissipating plate 31.
In this embodiment, the first heat exchange tube 321, the second heat exchange tube 322, the third heat exchange tube 323, the fourth heat exchange tube 324, the first bent tube 325, the second bent tube 326 and the third bent tube 326 are of an integral structure and formed by bending a complete tube, and correspond to the first bent tube, the heat dissipation plate 31 is of a layered structure, and is provided with a groove corresponding to the tube, the tube is correspondingly placed in the groove after being bent and formed, and the layered heat dissipation plate 31 is fastened and fixed to form the complete heat dissipation plate 31.
In this embodiment, the lower end of the second heat exchange tube 322 is connected to the refrigerant outlet 328, and the lower end of the fourth heat exchange tube 324 is connected to the refrigerant inlet 329. The refrigerant inlet 329 and the refrigerant outlet 328 are located on the same side of the heat dissipating plate 31
It should be noted that the heat exchange tube 32 is not limited to the above-mentioned structure formed by bending the whole tube, in other embodiments of the present disclosure, the first heat exchanging pipe 321, the second heat exchanging pipe 322, the third heat exchanging pipe 323, and the fourth heat exchanging pipe 324 are single independent pipes, as shown in fig. 3, wherein the first heat exchanging pipe 321 is communicated with the top of the fourth heat exchanging pipe 324 through a first elbow 325, and the first elbow 325 is connected with the first heat exchanging pipe 321 and the fourth heat exchanging pipe 322 by welding, the second heat exchange tube 322 is communicated with the top of the third heat exchange tube 323 through a second elbow 326, the second elbow 326 is welded with the second heat exchange tube 322 and the third heat exchange tube 323, the first heat exchange tube 321 is connected to the bottom of the third heat exchange tube 323 through a third elbow 327, and the third elbow 327 is connected to the first heat exchange tube 321 and the third heat exchange tube 323 by welding.
The refrigerant inlet 329 and the refrigerant outlet 328 are located on the same side of the heat radiating plate 31.
Preferably, the PTC heater 4 has a rectangular structure, and the outer dimension of the rectangular structure is opposite to the outer dimension of the heat dissipation plate 31.
The heat dissipation plate 31 has a third mounting surface and a fourth mounting surface that are arranged in parallel with each other, the third mounting surface is fixedly connected to the second mounting surface, and the fourth mounting surface is in close contact with the PTC heater 4.
In the description herein, it is to be understood that the terms "upper," "lower," "left," "right," and the like are used merely for convenience in description and simplicity in operation, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting. Furthermore, the terms "first" and "second" are used merely for descriptive purposes and are not intended to have any special meaning.
In the description herein, references to the description of "an embodiment," "an example" or the like are intended to 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, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be appropriately combined to form other embodiments as will be appreciated by those skilled in the art.
The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.
Claims (10)
1. The utility model provides a converter heat transfer structure, includes converter plate (1) and is used for the installation panel beating (2) of converter plate (1), its characterized in that, installation panel beating (2) have first mounting surface and the second mounting surface that is parallel to each other, converter plate (1) is installed first mounting surface, the second mounting surface is provided with fluorine cold radiator (3) and PTC heater (4), PTC heater (4) set up fluorine cold radiator (3) are kept away from the surface of installation panel beating (2) and with fluorine cold radiator (3) in close contact with.
2. The heat exchange structure of the frequency converter according to claim 1, wherein the fluorine-cooled heat sink (3) comprises a heat dissipation plate (31) and a heat exchange tube (32) arranged to exchange heat with the heat dissipation plate (31), the heat exchange tube (32) has a refrigerant inlet (329) and a refrigerant outlet (328), the refrigerant inlet (329) is connected to the water-side heat exchanger, and the refrigerant outlet (328) is connected to a throttling device.
3. A heat exchange structure of a frequency converter according to claim 2, characterized in that the heat dissipation plate (31) is a rectangular aluminum plate, and the heat exchange pipe (32) is inserted into the heat dissipation plate (31).
4. A heat exchange structure of a frequency converter according to claim 3, wherein the heat exchange tubes (32) are inserted into the heat radiating plate (31) in four rows, and the four rows of the heat exchange tubes (32) are formed by bending the whole heat exchange tubes (32).
5. A heat exchange structure of a frequency converter according to claim 3, characterized in that the part of the heat exchange tubes (32) inserted into the heat dissipation plate (31) has four rows, and the four rows of heat exchange tubes (32) are communicated in turn through bent tubes to form a complete heat exchange tube (32).
6. A heat exchange structure of a frequency converter according to claim 4 or 5, characterized in that four rows of the heat exchange tubes (32) are respectively a first heat exchange tube (321), a second heat exchange tube (322), a third heat exchange tube (323) and a fourth heat exchange tube (324), and the axes of the four rows of the heat exchange tubes (32) are parallel to each other.
7. The heat exchange structure of a frequency converter according to claim 6, wherein the first heat exchange tube (321) and the fourth heat exchange tube (324) are communicated through a first elbow (325) at a portion of the upper portion of the heat dissipation plate (31) extending out of the heat dissipation plate (31), and the second heat exchange tube (322) and the third heat exchange tube (323) are communicated through a second elbow (326) at a portion of the upper portion of the heat dissipation plate (31) extending out of the heat dissipation plate (31).
8. The heat exchange structure of a frequency converter according to claim 7, characterized in that the first heat exchange pipe (321) and the third heat exchange pipe (323) are communicated through a third elbow (327) at the portion of the lower part of the heat dissipation plate (31) extending out of the heat dissipation plate (31).
9. The heat exchange structure of the frequency converter according to claim 2, wherein the refrigerant inlet (329) and the refrigerant outlet (328) are located on the same side of the heat dissipation plate (31).
10. The heat exchange structure of the frequency converter according to claim 2, characterized in that the PTC heater (4) has a rectangular structure with the external dimension opposite to the external dimension of the heat dissipation plate (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020557477.0U CN211909463U (en) | 2020-04-15 | 2020-04-15 | Heat exchange structure of frequency converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020557477.0U CN211909463U (en) | 2020-04-15 | 2020-04-15 | Heat exchange structure of frequency converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211909463U true CN211909463U (en) | 2020-11-10 |
Family
ID=73276503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020557477.0U Active CN211909463U (en) | 2020-04-15 | 2020-04-15 | Heat exchange structure of frequency converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211909463U (en) |
-
2020
- 2020-04-15 CN CN202020557477.0U patent/CN211909463U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6234595B2 (en) | Solar air conditioning system | |
| CN103199316B (en) | Battery pack and radiator structure thereof | |
| CN105805873A (en) | Novel energy-saving semiconductor air adjusting module | |
| CN106659096A (en) | Heat exchange unit used for electrical equipment | |
| CN211782035U (en) | Multifunctional double-cold condenser heat pipe photovoltaic photo-thermal system | |
| CN211909463U (en) | Heat exchange structure of frequency converter | |
| CN208859732U (en) | A kind of radiator for external convertible frequency air conditioner controller | |
| CN218679737U (en) | Phase-change cooling energy-storage converter | |
| CN207230799U (en) | Semiconductor air conditioner module | |
| CN210568872U (en) | Heat dissipation device and air conditioner | |
| CN213638689U (en) | Frequency conversion plate heat radiation structure of integral frequency conversion air energy dryer | |
| JPH0566065A (en) | Solar heat pump room heater/cooler hot water supplying apparatus | |
| CN202059316U (en) | Heat tube radiator for power unit of high-voltage high-power frequency converter | |
| CN217428082U (en) | Concentrating photovoltaic module and system composed of same | |
| CN217590584U (en) | Phase-change cooling bidirectional energy storage converter | |
| CN219741014U (en) | Heat radiation structure and have its converter | |
| CN211041477U (en) | Heat exchanger for strengthening heat transfer of thermoelectric material | |
| CN213599604U (en) | Heat pump system with automatically controlled drive plate heat dissipation function | |
| CN216049332U (en) | Self-collecting condensed water plate heat exchanger | |
| CN219037149U (en) | Efficient multiple condensing structure of condenser | |
| CN217715524U (en) | High-efficiency evaporator of heat pump water heater | |
| CN212481494U (en) | Air conditioner | |
| CN210268322U (en) | Heat radiator | |
| CN217929007U (en) | Heat radiator | |
| CN217426799U (en) | Novel fuel cell cooling system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |