CN116867213A - Fixing structure of electronic water pump control panel - Google Patents
Fixing structure of electronic water pump control panel Download PDFInfo
- Publication number
- CN116867213A CN116867213A CN202311127003.7A CN202311127003A CN116867213A CN 116867213 A CN116867213 A CN 116867213A CN 202311127003 A CN202311127003 A CN 202311127003A CN 116867213 A CN116867213 A CN 116867213A
- Authority
- CN
- China
- Prior art keywords
- column
- circuit board
- control circuit
- groove
- movable plate
- 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.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 18
- 238000004804 winding Methods 0.000 claims description 14
- 230000000694 effects Effects 0.000 claims 1
- 238000001816 cooling Methods 0.000 abstract description 14
- 230000017525 heat dissipation Effects 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 9
- 238000009434 installation Methods 0.000 description 9
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 230000001739 rebound effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/06—Control using electricity
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0201—Thermal arrangements, e.g. for cooling, heating or preventing overheating
- H05K1/0203—Cooling of mounted components
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/14—Mounting supporting structure in casing or on frame or rack
- H05K7/1422—Printed circuit boards receptacles, e.g. stacked structures, electronic circuit modules or box like frames
- H05K7/1424—Card cages
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to the technical field of electronic water pumps, in particular to a fixing structure of an electronic water pump control panel. According to the fixing structure of the electronic water pump control board, due to the fact that the mounting mechanism convenient to fix is arranged, when the control circuit board is fixed, the operation is simpler and more convenient, the fixing structure is stable in connection and convenient to assemble and disassemble, and due to the fact that the cooling fan is arranged, after the control circuit board is mounted, the cooling fan is located above the control circuit board, the air flow rate near the control circuit board can be greatly improved, the efficient heat dissipation function is achieved, and equipment damage caused by overhigh heat is avoided.
Description
Technical Field
The invention relates to the technical field of electronic water pump accessories, in particular to a fixing structure of an electronic water pump control panel.
Background
Along with people attach more and more importance to the environmental protection, new forms of energy electric automobile is gradually replacing traditional internal-combustion engine car, car electron water pump is as an important component of new forms of energy electric automobile, wherein the core part is water pump control circuit board, among the prior art, the installation of control circuit board is fixed and is installed only relying on several screws to fix, the installation is dismantled more troublesome like this, moreover when equipment works, equipment can produce high frequency continuous vibrations, make the screw become flexible very easily and then make the circuit board become flexible, still just in the in-process of water pump operation, control circuit board produces a large amount of heat and seriously influences car electron water pump life, consequently still need set up heat radiation structure for control circuit board.
Disclosure of Invention
The invention aims to provide a fixing structure of an electronic water pump control board, which is used for solving the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a fixed knot of electronic water pump control panel constructs, including the fixed plate, fixed mounting frame that is provided with on the fixed plate, be provided with the mounting groove in the mounting frame, install control circuit board in the mounting groove, control circuit board's both sides are connected with the installation mechanism of being convenient for fix.
Preferably, the inner side wall of the mounting groove is provided with a supporting column, and the top of the supporting column is propped against the bottom surface of the control circuit board.
Preferably, a first inner groove is respectively arranged in two side walls of the mounting frame, and a second inner groove is arranged in the front side wall of the mounting frame.
Preferably, the mounting mechanism comprises a movable plate movably arranged in the first inner groove, two clamping blocks are arranged on one side wall of the movable plate, the clamping blocks are of a structure, pass through the inner wall of the first inner groove and extend into the mounting groove, the clamping blocks are clamped at two ends of the control circuit board, and two spring columns are arranged between the other side wall of the movable plate and the inner wall of the first inner groove.
Preferably, the first inner groove is internally provided with a sliding guide pillar, the sliding guide pillar penetrates through a square hole in the middle of the movable plate, the sliding guide pillar is in sliding connection with the movable plate, a slideway is arranged on the sliding guide pillar, a traction plate is fixedly arranged on the movable plate, the traction plate slides in the sliding guide pillar, and a traction wire is fixedly connected on the traction plate.
Preferably, the inner wall of the first inner groove is internally provided with a wire passing pipeline, the traction wire passes through the wire passing pipeline, one end opening of the wire passing pipeline is positioned in the slideway of the sliding guide pillar, and the other end opening of the wire passing pipeline is positioned on the inner wall of the second inner groove.
Preferably, the mounting mechanism further comprises two first upright posts rotatably mounted in the second inner groove, a winding wheel is arranged at the top end of each first upright post, one end of a traction wire is connected to the winding wheel, and a first conical gear is arranged in the middle of each first upright post;
and a transverse shaft is rotatably arranged in the second inner groove, two ends of the transverse shaft are respectively provided with a second conical gear, the two second conical gears are respectively meshed with the first conical gears at the two ends, and a third conical gear is arranged in the middle of the transverse shaft.
Preferably, a torsion column is rotatably installed on the front side wall of the installation frame, one end of the torsion column is provided with a fourth conical gear, the fourth conical gear is meshed with the third conical gear, and the other end of the torsion column is provided with a torsion disc.
Preferably, a second upright post is rotatably arranged at one end inside the second inner groove, a first driving wheel is arranged at the top end of the side wall of the second upright post, a second driving gear is arranged at the top end of one first upright post, the second driving gear is meshed with the first driving wheel, an inner post is movably inserted on the second upright post, a connecting arm is arranged on the side wall of the inner post, and the end part of the connecting arm is connected with a cooling fan.
Preferably, the inner column is a square column, the inner column is movably inserted into a square hole on the second upright column, and the bottom surface of the inner column is connected with a tensioning spring.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the fixing structure of the electronic water pump control board, due to the fact that the mounting mechanism convenient to fix is arranged, when the control circuit board is fixed, the operation is simpler and more convenient, the fixing structure is stable in connection and is not easy to loosen, and the fixing structure is convenient to assemble and disassemble;
2. when the equipment is installed, after the control circuit board is connected with a circuit, only the twisting disc is required to twist, the fourth conical gear drives the third conical gear, the transverse shaft and the second conical gear to rotate, the first conical gear drives the first upright post and the winding wheel to rotate, the winding wheel winds the traction wire to wind the traction wire to pull the traction plate to move, the movable plate pulls the clamping block to retract, the spring column enters a compression state, then the control circuit board is placed on the supporting column in the installation groove, under the rebound effect of the spring column, the movable plates at two sides can be pushed to the middle, the clamping blocks at two sides clamp the control circuit board, and the control circuit board can be firmly installed, so that the operation is simple and the disassembly and the assembly are convenient;
3. when the spring column rebounds to push the movable plate to move, the traction plate pulls the traction wire so that the winding wheel drives the first upright column to rotate, and then the second transmission gear rotates, the second transmission gear is meshed with the first transmission wheel to be connected so that the second upright column drives the inner column to rotate by a certain angle, and then the connecting arm drives the cooling fan to move to the upper part of the control circuit board, and the cooling fan is started to efficiently radiate heat generated by the control circuit board, so that overheat damage equipment of the control circuit board is avoided.
Drawings
FIG. 1 is a schematic diagram of the structure of the device of the present invention;
FIG. 2 is a schematic diagram showing the development of a cooling fan according to the present invention;
FIG. 3 is a view showing the construction of the inside of the mounting frame of the present invention;
FIG. 4 is a diagram of a first inner tank structure of the present invention;
FIG. 5 is an enlarged view of FIG. 4 at A;
FIG. 6 is another view of the structure of FIG. 4;
FIG. 7 is a schematic view of the mounting mechanism of the present invention;
fig. 8 is an enlarged view at B in fig. 7.
In the figure: the device comprises a fixed plate 1, a mounting frame 2, a mounting groove 3, a control circuit board 4, a support column 5, a first inner groove 6, a movable plate 7, a clamping block 701, a spring column 8, a sliding guide column 9, a traction plate 10, a wire passing pipeline 11, a traction wire 12, a second inner groove 13, a first upright post 14, a winding wheel 15, a first conical gear 16, a transverse shaft 17, a second conical gear 18, a third conical gear 19, a torsion column 20, a fourth conical gear 21, a torsion disc 22, a second upright post 23, a first driving wheel 24, an inner column 25, a connecting arm 26, a cooling fan 27 and a second driving gear 28.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 7, the present invention provides a technical solution: the utility model provides a fixed knot of electronic water pump control panel constructs, including fixed plate 1, fixed mounting frame 2 that is provided with on the fixed plate 1, be provided with mounting groove 3 in the mounting frame 2, install control circuit board 4 in the mounting groove 3, be provided with on the inside wall of mounting groove 3 and hold in the palm post 5, hold in the palm the post 5 top and support on the bottom surface of control circuit board 4, electronic component and circuit connection on the control circuit board 4 set up and confirm according to specific electronic water pump model, this is the common technical point in the art and does not have too much relevance with this technical scheme, consequently do not repeat in this scheme, the both sides of control circuit board 4 are connected with the installation mechanism of being convenient for fix.
A first inner groove 6 is provided in each of the side walls of the mounting frame 2, and a second inner groove 13 is provided in the front side wall of the mounting frame 2.
The mounting mechanism comprises a movable plate 7 movably arranged in a first inner groove 6, two clamping blocks 701 are arranged on one side wall of the movable plate 7, the clamping blocks 701 are of a structure, the clamping blocks 701 penetrate through the inner wall of the first inner groove 6 and extend into the mounting groove 3, the clamping blocks 701 are clamped at two ends of the control circuit board 4, and two spring columns 8 are arranged between the other side wall of the movable plate 7 and the inner wall of the first inner groove 6.
The first inner groove 6 is internally provided with a sliding guide pillar 9, the sliding guide pillar 9 penetrates through a square hole in the middle of the movable plate 7, the sliding guide pillar 9 is in sliding connection with the movable plate 7, a slideway is arranged on the sliding guide pillar 9, a traction plate 10 is fixedly arranged on the movable plate 7, the traction plate 10 slides in the sliding guide pillar 9, a traction wire 12 is fixedly connected to the traction plate 10, a wire passing pipeline 11 is embedded in the inner wall of the first inner groove 6, the traction wire 12 penetrates through the wire passing pipeline 11, an opening at one end of the wire passing pipeline 11 is positioned in the slideway of the sliding guide pillar 9, and an opening at the other end of the wire passing pipeline 11 is positioned on the inner wall of the second inner groove 13.
The mounting mechanism further comprises two first upright posts 14 rotatably mounted in the second inner groove 13, a winding wheel 15 is arranged at the top end of each first upright post 14, one end of each traction wire 12 is connected to the winding wheel 15, and a first conical gear 16 is arranged in the middle of each first upright post 14; the transverse shaft 17 is rotatably installed in the second inner groove 13, two ends of the transverse shaft 17 are respectively provided with a second conical gear 18, the two second conical gears 18 are respectively connected with the first conical gears 16 at two ends in a meshed mode, a third conical gear 19 is arranged in the middle of the transverse shaft 17, the torsion column 20 is rotatably installed on the front side wall of the installation frame 2, one end of the torsion column 20 is provided with a fourth conical gear 21, the fourth conical gear 21 is in meshed connection with the third conical gear 19, the other end of the torsion column 20 is provided with a torsion disc 22, the torsion disc 22 is only required to be twisted, the fourth conical gear 21 drives the third conical gear 19, the transverse shaft 17 and the second conical gear 18 to rotate, the first conical gear 16 drives the first upright post 14 and the rolling wheel 15 to rotate, the rolling wheel 15 winds the traction wire 12 to enable the traction wire 12 to move around the rolling plate 10, the movable plate 7 pulls the clamping block to retract, the spring column 8 enters a compression state, then the circuit board 4 is controlled to be placed on the supporting column 5 in the installation groove 3, the spring column 8 is pushed by the spring column 8, the two sides of the movable plate 7 can be clamped down, the circuit board 4 can be clamped firmly, and the circuit 4 can be conveniently dismounted and mounted and dismounted.
The second upright post 23 is rotatably arranged at one end inside the second inner groove 13, a first driving wheel 24 is arranged at the top end of the side wall of the second upright post 23, a second driving gear 28 is arranged at the top end of one first upright post 14, the second driving gear 28 is in meshed connection with the first driving wheel 24, an inner post 25 is movably inserted on the second upright post 23, a connecting arm 26 is arranged on the side wall of the inner post 25, the end part of the connecting arm 26 is connected with a cooling fan 27, the inner post 25 is a square post, the inner post 25 is movably inserted in a square hole on the second upright post 23, so that the inner post 25 and the first driving wheel 24 can synchronously rotate and simultaneously relatively move up and down, the bottom surface of the inner post 25 is connected with a tensioning spring, and the tensioning spring downwards pulls the inner post 25, so that the cooling fan 27 can descend to be close to the control circuit board 4; when the spring column 8 rebounds to push the movable plate 7 to move, the traction plate 10 pulls the traction wire 12 to enable the winding wheel 15 to drive the first upright column 14 to rotate, then enable the second transmission gear 28 to rotate, the second transmission gear 28 is meshed with the first transmission wheel 24 to enable the second upright column 23 to drive the inner column 25 to rotate by a certain angle, then enable the connecting arm 26 to drive the cooling fan 27 to move to the upper portion of the control circuit board 4, the cooling fan 27 is started to efficiently emit heat generated by the control circuit board 4, and overheat damage equipment of the control circuit board 4 is avoided.
The mounting mechanism convenient to fix is arranged, so that the operation is simpler and more convenient when the control circuit board 4 is fixed, the connection of the fixing structure is stable and can not be easily loosened, the dismounting is convenient, and the cooling fan 27 is arranged after the control circuit board 4 is mounted, so that the air flow rate near the control circuit board 4 can be greatly improved, the efficient heat dissipation function is realized, and equipment damage caused by overhigh heat is avoided; when equipment is installed, after the control circuit board 4 is connected with a circuit, only the twisting disc 22 is required to twist, so that the fourth conical gear 21 drives the third conical gear 19, the transverse shaft 17 and the second conical gear 18 to rotate, further the first conical gear 16 drives the first upright post 14 and the winding wheel 15 to rotate, the winding wheel 15 winds the traction wire 12 to enable the traction wire 12 to pull the traction plate 10 to move, further the movable plate 7 pulls the clamping block 701 to retract, the spring column 8 enters a compression state, then the control circuit board 4 is placed on the supporting column 5 in the installation groove 3, under the rebound effect of the spring column 8, the movable plates 7 at two sides can be pushed to the middle, further the clamping blocks 701 at two sides clamp the control circuit board 4, and the control circuit board 4 can be firmly installed, so that the operation is simple and the disassembly and the assembly are convenient; when the spring column 8 rebounds to push the movable plate 7 to move, the traction plate 10 pulls the traction wire 12 to enable the winding wheel 15 to drive the first upright column 14 to rotate, then enable the second transmission gear 28 to rotate, the second transmission gear 28 is meshed with the first transmission wheel 24 to enable the second upright column 23 to drive the inner column 25 to rotate by a certain angle, then enable the connecting arm 26 to drive the cooling fan 27 to move to the upper portion of the control circuit board 4, the cooling fan 27 is started to efficiently emit heat generated by the control circuit board 4, and overheat damage equipment of the control circuit board 4 is avoided.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (2)
1. The utility model provides a fixed knot of electronic water pump control panel constructs, including fixed plate (1), its characterized in that: the fixing plate (1) is fixedly provided with a mounting frame (2), two side walls of the mounting frame (2) are respectively provided with a first inner groove (6), the front side wall of the mounting frame (2) is internally provided with a second inner groove (13), the mounting frame (2) is internally provided with a mounting groove (3), the inner side wall of the mounting groove (3) is provided with a supporting column (5), the top of the supporting column (5) is propped against the bottom surface of the control circuit board (4), and the mounting groove (3) is internally provided with the control circuit board (4);
the utility model discloses a wire tube, which is characterized in that two sides of a control circuit board (4) are connected with a mounting mechanism convenient to fix, the mounting mechanism comprises a movable plate (7) movably arranged in a first inner groove (6), two clamping blocks (701) are arranged on one side wall of the movable plate (7), the clamping blocks (701) are of a structure, the clamping blocks (701) penetrate through the inner wall of the first inner groove (6) and extend into a mounting groove (3), the clamping blocks (701) are clamped at two ends of the control circuit board (4), two spring columns (8) are arranged between the other side wall of the movable plate (7) and the inner wall of the first inner groove (6), a sliding guide column (9) is arranged in the first inner groove (6), the sliding guide column (9) penetrates through a square hole in the middle of the movable plate (7), the sliding guide column (9) and the movable plate (7) are in sliding connection, a slideway is arranged on the sliding guide column (9), a traction plate (10) is fixedly arranged on the movable plate (7), the traction plate (10) slides in the sliding guide column (9), two spring columns (8) are fixedly connected with the other side wall of the movable plate (6), a wire tube (7) and the wire tube is fixedly connected with one end (12) of the wire tube, the wire tube is penetrated through the first inner side wall (11) and penetrates through the opening (11), the opening at the other end of the wire passing pipeline (11) is positioned on the inner wall of the second inner groove (13);
the mounting mechanism further comprises two first upright posts (14) rotatably mounted in the second inner groove (13), a winding wheel (15) is arranged at the top end of each first upright post (14), one end of each traction wire (12) is connected to the winding wheel (15), a first conical gear (16) is arranged in the middle of each first upright post (14), a transverse shaft (17) is rotatably mounted in the second inner groove (13), two second conical gears (18) are respectively arranged at two ends of each transverse shaft (17), the two second conical gears (18) are respectively meshed with the first conical gears (16) at two ends, and a third conical gear (19) is arranged in the middle of each transverse shaft (17);
a torsion column (20) is rotatably arranged on the front side wall of the mounting frame (2), one end of the torsion column (20) is provided with a fourth conical gear (21), the fourth conical gear (21) is in meshed connection with the third conical gear (19), and the other end of the torsion column (20) is provided with a torsion disc (22);
the inside one end of second inside groove (13) rotates installs second stand (23), the lateral wall top of second stand (23) is provided with first drive wheel (24), the top of one of them first stand (14) is provided with second drive gear (28), second drive gear (28) and first drive wheel (24) meshing are connected, the activity grafting has interior post (25) on second stand (23), be provided with linking arm (26) on the lateral wall of interior post (25), the end connection of linking arm (26) has radiator fan (27).
2. The fixing structure of an electronic water pump control board according to claim 1, wherein: the inner column (25) is a square column, the inner column (25) is movably inserted into a square hole on the second upright column (23), and the bottom surface of the inner column (25) is connected with a tensioning spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311127003.7A CN116867213B (en) | 2023-09-04 | 2023-09-04 | Fixing structure of electronic water pump control panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311127003.7A CN116867213B (en) | 2023-09-04 | 2023-09-04 | Fixing structure of electronic water pump control panel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116867213A true CN116867213A (en) | 2023-10-10 |
| CN116867213B CN116867213B (en) | 2023-11-14 |
Family
ID=88225350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311127003.7A Active CN116867213B (en) | 2023-09-04 | 2023-09-04 | Fixing structure of electronic water pump control panel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116867213B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN214338378U (en) * | 2020-10-16 | 2021-10-01 | 许伟 | Be provided with from intelligent communication supervisor of heat dissipation dismouting structure |
| CN215121609U (en) * | 2021-06-02 | 2021-12-10 | 天津市海达电子有限公司 | Circuit board buckle fixing structure |
| DE102020208113A1 (en) * | 2020-06-30 | 2021-12-30 | Yamaichi Electronics Deutschland Gmbh | Circuit board holder with cooling element and system comprising a circuit board holder and a circuit board |
-
2023
- 2023-09-04 CN CN202311127003.7A patent/CN116867213B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102020208113A1 (en) * | 2020-06-30 | 2021-12-30 | Yamaichi Electronics Deutschland Gmbh | Circuit board holder with cooling element and system comprising a circuit board holder and a circuit board |
| CN214338378U (en) * | 2020-10-16 | 2021-10-01 | 许伟 | Be provided with from intelligent communication supervisor of heat dissipation dismouting structure |
| CN215121609U (en) * | 2021-06-02 | 2021-12-10 | 天津市海达电子有限公司 | Circuit board buckle fixing structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116867213B (en) | 2023-11-14 |
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