CN213958943U - Vehicle-mounted air conditioner compressor driver - Google Patents
Vehicle-mounted air conditioner compressor driver Download PDFInfo
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- CN213958943U CN213958943U CN202023229858.5U CN202023229858U CN213958943U CN 213958943 U CN213958943 U CN 213958943U CN 202023229858 U CN202023229858 U CN 202023229858U CN 213958943 U CN213958943 U CN 213958943U
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- heat
- circuit board
- printed circuit
- heat dissipation
- shell
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Abstract
The utility model discloses a vehicle-mounted air conditioner compressor driver, which comprises a shell, a heat dissipation plate, a printed circuit board and a heat conductor; the heat dissipation plate is arranged in the shell and provided with a heat dissipation surface and a mounting surface which are oppositely arranged, the mounting surface is abutted against the inner side wall of the shell, and the heat dissipation surface is arranged away from the shell; the printed circuit board is arranged between the shell and the heat dissipation plate, and one side of the printed circuit board facing the shell is provided with a plurality of MOS (metal oxide semiconductor) tubes; the heat conductor is arranged between the heat dissipation plate and the printed circuit board, the heat conductor is provided with a first heat conduction surface and a second heat conduction surface which are arranged oppositely, the first heat conduction surface is abutted to one side of the printed circuit board, which is deviated from the MOS tube, and the second heat conduction surface is abutted to the heat dissipation plate. The utility model discloses a heat of MOS pipe is dispersed to the external world through the leading-in heating panel of heat conductor, need not make every MOS pipe all need paste insulating piece, heat conduction mud, heat conduction silicone grease and cladding insulating grain, connects one by one with the radiator again, under the prerequisite that satisfies the heat dissipation demand for whole device simple structure, simple to operate is swift.
Description
Technical Field
The utility model relates to a driver technical field, in particular to on-vehicle air condition compressor driver.
Background
In the existing vehicle-mounted air conditioner compressor driver, a plurality of MOS (metal oxide semiconductor) tubes are mostly connected in parallel, generally, more than 20 MOS tubes are used, each MOS tube needs to be insulated from a radiator, so that a large number of insulating sheets and insulating particles are needed to be insulated from the radiator, the assembly process is complex, the mounting working time and difficulty are increased, and the failure risk of the MOS tubes under the vehicle-mounted high-vibration condition is increased. After the printed circuit board in the driver is installed in the shell, the printed circuit board is fixed by the radiator of the MOS tube and the driver shell, the requirement on the installation position of the radiator of the MOS tube is high, otherwise, the printed circuit board cannot be tightly installed with the driver shell.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a vehicle air condition compressor driver aims at solving the technical problem that the heat radiation structure installation of MOS pipe is complicated among the vehicle air condition compressor driver among the prior art.
In order to achieve the above object, the utility model provides an on-vehicle air condition compressor driver, on-vehicle air condition compressor driver includes:
a housing;
the heat dissipation plate is arranged in the shell and provided with a heat dissipation surface and an installation surface which are oppositely arranged, the installation surface is abutted against the inner side wall of the shell, and the heat dissipation surface is arranged away from the shell;
the printed circuit board is arranged between the shell and the heat dissipation plate, and one side of the printed circuit board facing the shell is provided with a plurality of MOS (metal oxide semiconductor) tubes;
the heat conductor is arranged between the heat dissipation plate and the printed circuit board and provided with a first heat conduction surface and a second heat conduction surface which are oppositely arranged, the first heat conduction surface is abutted to one side, away from the MOS tube, of the printed circuit board, and the second heat conduction surface is abutted to the heat dissipation plate.
Preferably, the shell includes the bottom plate and encloses and locates the curb plate of bottom plate periphery, the bottom plate with form one side between the curb plate and be the uncovered installation cavity that sets up, the heating panel towards the one side of shell is used for with uncovered closed.
Preferably, the vehicle-mounted air conditioner compressor driver further comprises a sealing plate, the sealing plate is arranged between the shell and the printed circuit board, the sealing plate is matched with the mounting cavity in shape, and the opening is sealed by the sealing plate.
Preferably, a bulge is arranged in the mounting cavity, a first through hole is formed in the bulge, a second through hole is formed in the sealing plate, a binding post is arranged on one side, facing the sealing plate, of the printed circuit board, and the binding post sequentially penetrates through the second through hole and the first through hole.
Preferably, the outer edge of the second through hole is further provided with a sealing ring, and the sealing ring is sleeved on the periphery of the wiring terminal and is in sealing fit with the wiring terminal.
Preferably, the number of the second through holes, the number of the first through holes and the number of the binding posts are all multiple and are arranged in a one-to-one correspondence manner.
Preferably, the installation face includes first installation department and set up in the second installation department at first installation department both ends, the cooling surface set up in first installation department deviates from one side of shell.
Preferably, the periphery of the side plate is provided with a flange, and the flange is detachably connected with the first mounting part.
Preferably, the heat conductor is detachably connected to the printed circuit board, and the heat conductor is detachably connected to the heat dissipation plate.
Preferably, the plurality of MOS transistors are packaged on one side of the printed circuit board facing the housing in a patch manner.
In the technical scheme of the utility model, the heat dissipation plate is arranged in the shell, the mounting surface of the heat dissipation plate is abutted against the inner side wall of the shell, the heat dissipation surface is arranged away from the shell, the printed circuit board is arranged between the shell and the heat dissipation plate, and one side of the printed circuit board facing the shell is provided with a plurality of MOS tubes; the heat conductor is arranged between the heat dissipation plate and the printed circuit board, the heat conductor is provided with a first heat conduction surface and a second heat conduction surface which are arranged oppositely, the first heat conduction surface is abutted to one side of the printed circuit board, which is deviated from the MOS tube, and the second heat conduction surface is abutted to the heat dissipation plate. The utility model discloses on-vehicle air condition compressor driver is through the first heat-conducting surface looks butt with printed circuit board and heat conductor, the second heat-conducting surface of heat conductor and the installation face butt of heating panel, the heat that makes the MOS pipe passes through the leading-in heating panel of heat conductor, then disperse to the external world, need not make every MOS pipe all need paste the insulating piece, heat conduction mud, heat conduction silicone grease and cladding insulating grain, connect one by one with the heating panel again, under the prerequisite that satisfies the heat dissipation demand, whole device structure is simpler, and holistic installation convenient and fast more.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a vehicle-mounted air conditioner compressor driver according to an embodiment of the present invention;
fig. 2 is an exploded view of a vehicle air conditioner compressor driver according to an embodiment of the present invention;
fig. 3 is an exploded schematic view of another view angle of the vehicle air conditioner compressor driver according to an embodiment of the present invention.
The reference numbers illustrate:
the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is 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 addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides an on-vehicle air condition compressor driver.
As shown in fig. 1 and 2, in an embodiment of the present invention, the vehicle air conditioner compressor driver includes a housing 10, a heat dissipation plate 20, a printed circuit board 30, and a heat conductor 40; the heat dissipation plate 20 is arranged in the shell 10, the heat dissipation plate 20 is provided with a heat dissipation surface 21 and an installation surface 22 which are oppositely arranged, the installation surface 22 is abutted against the inner side wall of the shell 10, and the heat dissipation surface 21 is arranged to deviate from the shell 10; the printed circuit board 30 is arranged between the shell 10 and the radiating plate 20, and one side of the printed circuit board 30 facing the shell 10 is provided with a plurality of MOS tubes 31; the heat conductor 40 is disposed between the heat dissipation plate 20 and the printed circuit board 30, the heat conductor 40 has a first heat conduction surface 41 and a second heat conduction surface 42 which are disposed oppositely, the first heat conduction surface 41 abuts against one side of the printed circuit board 30, which is away from the MOS transistor 31, and the second heat conduction surface 42 abuts against the heat dissipation plate 20.
In this embodiment, the heat dissipation plate 20 is used to dissipate heat of the MOS tube 31, and the heat of the MOS tube 31 is conducted to the heat dissipation plate 20 through the heat conductor 40 and then dissipated to the outside. The MOS tube 31 may be fixed on the printed circuit board 30 by welding, or the MOS tube 31 may be inserted into the insertion hole of the printed circuit board 30 by using a pin, or the patch MOS tube 31 may be fixed on the printed circuit board 30 by using the patch MOS tube 31. The heat radiating plate 20 may be integrally formed by means of drawing, CNC, wire cutting or die casting. The utility model discloses on-vehicle air condition compressor driver is through the first heat-conducting surface 41 looks butt with printed circuit board 30 and heat conductor 40, the second heat-conducting surface 42 of heat conductor 40 and the installation face 22 butt of heating panel 20, the heat that makes MOS pipe 31 passes through heat conductor 40 and channels into heating panel 20, then disperse to the external world, need not make every MOS pipe 31 all need paste the insulating piece, heat conduction mud, heat conduction silicone grease and cladding insulating grain, connect one by one with heating panel 20 again, under the prerequisite that satisfies the heat dissipation demand, whole device structure is simpler, and holistic installation convenient and fast more.
As shown in fig. 2, the housing 10 includes a bottom plate 11 and a side plate 12 surrounding the bottom plate 11, a mounting cavity 13 is formed between the bottom plate 11 and the side plate 12, and a mounting surface 22 is mounted at the mounting cavity 13. In the preferred embodiment, the bottom plate 11 and the side plates 12 enclose a mounting cavity 13 for mounting a printed circuit board 30. In this embodiment, the shape of the housing 10 is not limited, and may be configured in any desired shape as long as it can accommodate the printed circuit board 30, and the heat dissipation plate 20 and the housing 10 provide a basic insulation and waterproof environment for the printed circuit board 30 disposed therein. The middle bottom plate 11 and the side plates 12 of the shell 10 can be integrally formed in a stretching, stamping or injection molding mode, and the shell 10 is integral, has better waterproof performance and is convenient to mount; thus, a more complex and attractive profile can be formed, and the safety distance between the housing 10 and the printed circuit board 30 can be shortened as much as possible.
And, the vehicle air conditioner compressor driver also includes setting up in the seal plate 50, and the seal plate 50 sets up between shell 10 and printed circuit board 30, and the shape adaptation of seal plate 50 and installation cavity 13, seal plate 50 will install the cavity 13 and seal up. The sealing plate 50 is disposed between the openings of the heat dissipation plate 20 and the mounting cavity 13, so that water vapor can be prevented from entering the inside of the housing 10 from the mounting position of the heat dissipation plate 20 and the mounting cavity 13, and the overall waterproof performance is better.
As shown in fig. 3, a protrusion 15 is disposed in the mounting cavity 13, a first through hole 16 is disposed on the protrusion 15, a second through hole 52 is disposed on the sealing plate 50, a terminal 32 is disposed on a side of the printed circuit board 30 facing the sealing plate 50, and the terminal 32 sequentially passes through the second through hole 52 and the first through hole 16. The periphery of the second through hole 52 is further provided with a sealing ring 51, and the sealing ring 51 is sleeved on the periphery of the terminal 32 and is in sealing fit with the terminal 32. The number of the second through holes 52, the number of the first through holes 16, and the number of the binding posts 32 are all plural and are arranged in one-to-one correspondence. In the preferred embodiment, when the printed circuit board 30 is mounted in the mounting cavity 13, the posts 32 on the printed circuit board 30 are correspondingly inserted into the first through holes 16 on the protrusions 15 in the mounting cavity 13 and protrude from the first through holes 16, so as to realize the circuit connection between the housing 10 and the printed circuit board 30. In order to make the printed circuit board 30 and the housing 10 connected in a sealing manner, a sealing ring 51 is disposed at the periphery of the second through hole 52 of the sealing plate 50, and when the terminal 32 passes through the second through hole 52, the sealing ring 51 is simultaneously in sealing engagement with the periphery of the terminal 32, so that a waterproof sealing effect can be achieved.
The mounting surface 22 includes a first mounting portion 221 and second mounting portions 222 disposed at two ends of the first mounting portion 221, and the heat dissipating surface 21 is disposed on a side of the first mounting portion 221 away from the housing 10. The side plate 12 is provided at the outer circumference thereof with a flange 14, and the flange 14 is detachably coupled to the first mounting portion 221. The heat conductor 40, the printed circuit board 30 and the heat dissipation plate 20 are detachably connected to each other.
In a preferred embodiment, a plurality of first mounting holes 23 are formed in the heat dissipation plate 20, a third mounting hole 33 is formed in the printed circuit board 30 at a position corresponding to the first mounting hole 23, the printed circuit board 302 is abutted against the heat dissipation plate 20, and the third mounting hole 33 and the first mounting hole 23 are connected together by using a connector such as a screw, so that not only is the connection of the MOS transistor 31 on the printed circuit board 30 more stable and reliable, but also the positioning function is achieved, and the mounting position is more accurate. In addition, a second mounting hole 24 is formed in the heat dissipating plate 20, a fourth mounting hole 141 is formed in the flange 14, and another connector is inserted through the second mounting hole 24 and the fourth mounting hole 141 to connect the heat dissipating plate 20 and the flange 14. The connection member may be a screw or a bolt, and when the connection member is a screw, the second mounting hole 24 may be a threaded hole, so when mounting, only a screw needs to be passed through the fourth mounting hole 141 and screwed into the second mounting hole 24 to connect the heat dissipation plate 20 and the housing 10, which is easy and reliable to operate.
Further, the MOS transistors 31 are all packaged in a patch manner. In this embodiment, the plurality of MOS tubes 31 are all packaged by using a plug-in, and during installation, the SMT machine is directly used to perform the mounting operation first, so that the manual installation of the plurality of MOS tubes and then the plug-in is not needed, and the complexity of the production process is avoided, so that the overall installation process is simpler. For the installation of the MOS pipe 31 and the heat dissipation plate 20 using the plug-in, the pin of the MOS pipe 31 is easily damaged by stress under the long-term vehicle-mounted vibration condition, so that the reliability of the vehicle-mounted air-conditioning compressor driver is reduced, the MOS pipe 31 adopts a patch device, after the patch device is fixed on the printed circuit board 30, the printed circuit board 30 and the heat dissipation plate 20 are also fixed, the MOS pipe 31 cannot be influenced by the vehicle-mounted high vibration environment, the anti-vibration effect is good, and the reliability of the whole vehicle-mounted air-conditioning driver is higher.
The above is only the preferred embodiment of the present invention, not so limiting the patent scope of the present invention, all of which are in the utility model discloses a conceive, utilize the equivalent structure transform that the content of the specification and the attached drawings did, or directly/indirectly use all to include in other relevant technical fields the patent protection scope of the present invention.
Claims (10)
1. An on-vehicle air conditioner compressor driver, characterized in that, the on-vehicle air conditioner compressor driver includes:
a housing;
the heat dissipation plate is arranged in the shell and provided with a heat dissipation surface and an installation surface which are oppositely arranged, the installation surface is abutted against the inner side wall of the shell, and the heat dissipation surface is arranged away from the shell;
the printed circuit board is arranged between the shell and the heat dissipation plate, and one side of the printed circuit board facing the shell is provided with a plurality of MOS (metal oxide semiconductor) tubes;
the heat conductor is arranged between the heat dissipation plate and the printed circuit board and provided with a first heat conduction surface and a second heat conduction surface which are oppositely arranged, the first heat conduction surface is abutted to one side, away from the MOS tube, of the printed circuit board, and the second heat conduction surface is abutted to the heat dissipation plate.
2. The vehicle air conditioner compressor driver as claimed in claim 1, wherein the housing includes a bottom plate and a side plate surrounding the bottom plate, a mounting cavity with one side being open is formed between the bottom plate and the side plate, and one side of the heat dissipation plate facing the housing is used for sealing the opening.
3. The on-board air conditioner compressor driver of claim 2, further comprising a sealing plate disposed between the housing and the printed circuit board, the sealing plate and the mounting cavity being shaped to fit, the sealing plate sealing the opening.
4. The vehicle air conditioner compressor driver as claimed in claim 3, wherein a protrusion is provided in the mounting cavity, a first through hole is provided on the protrusion, a second through hole is provided on the sealing plate, a terminal is provided on a side of the printed circuit board facing the sealing plate, and the terminal passes through the second through hole and the first through hole in sequence.
5. The vehicle-mounted air conditioner compressor driver as claimed in claim 4, wherein a sealing ring is further disposed at an outer edge of the second through hole, and the sealing ring is sleeved on an outer periphery of the terminal and is in sealing fit with the terminal.
6. The vehicle air conditioner compressor driver as claimed in claim 5, wherein the number of the second through holes, the first through holes and the posts is plural and one-to-one.
7. The vehicle air conditioner compressor driver as claimed in any one of claims 2 to 6, wherein the mounting surface includes a first mounting portion and second mounting portions provided at both ends of the first mounting portion, and the heat dissipating surface is provided at a side of the first mounting portion facing away from the housing.
8. The vehicle air conditioner compressor driver as claimed in claim 7, wherein the side plate is provided at an outer periphery thereof with a flange detachably connected to the first mounting portion.
9. The vehicle air conditioner compressor driver as claimed in any one of claims 1 to 6, wherein the heat conductor is detachably connected to the printed circuit board, and the heat conductor is detachably connected to the heat radiating plate.
10. The vehicle air conditioner compressor driver as claimed in any one of claims 1 to 6, wherein the MOS tubes are packaged in a patch manner on a side of the printed circuit board facing the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023229858.5U CN213958943U (en) | 2020-12-28 | 2020-12-28 | Vehicle-mounted air conditioner compressor driver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023229858.5U CN213958943U (en) | 2020-12-28 | 2020-12-28 | Vehicle-mounted air conditioner compressor driver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213958943U true CN213958943U (en) | 2021-08-13 |
Family
ID=77194712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023229858.5U Active CN213958943U (en) | 2020-12-28 | 2020-12-28 | Vehicle-mounted air conditioner compressor driver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213958943U (en) |
-
2020
- 2020-12-28 CN CN202023229858.5U patent/CN213958943U/en active Active
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| GR01 | Patent grant |