CN213638335U - Electronic circuit board heat abstractor - Google Patents
Electronic circuit board heat abstractor Download PDFInfo
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- CN213638335U CN213638335U CN202022781411.2U CN202022781411U CN213638335U CN 213638335 U CN213638335 U CN 213638335U CN 202022781411 U CN202022781411 U CN 202022781411U CN 213638335 U CN213638335 U CN 213638335U
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- circuit board
- electronic circuit
- cooling fan
- detection sensor
- temperature detection
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Abstract
The invention relates to the technical field of electronic circuit board heat dissipation, in particular to an electronic circuit board heat dissipation device, which comprises a heat dissipation fan mounting rack, the invention realizes the suspension of the electronic circuit board at the mounting position by mounting the electronic circuit board on the radiating fin seat made of aluminum alloy, and simultaneously three groups of radiating fans are oppositely arranged on the radiating fin seat, according to different heat values detected by the temperature detection sensor, the number of the started heat dissipation fans is controlled, stepped heat dissipation is realized, the effect of saving energy is achieved while heat dissipation is achieved, the influence of temperature on precise circuit sub-elements on the electronic circuit board due to overhigh temperature and the oxidation and corrosion rate of the electronic elements are reduced, and the service life of the electronic circuit board is prolonged.
Description
Technical Field
The invention relates to the technical field of electronic circuit board heat dissipation, in particular to an electronic circuit board heat dissipation device.
Background
The electronic circuit board makes the circuit miniaturized and visualized, the circuit board which plays an important role in the batch production of fixed circuits and the optimization of the layout of electric appliances can be called a printed circuit board or a printed circuit board, the application is extremely wide, at present, the interior of a sticking controller of the electronic circuit board after the production is directly used as a main control element, so that circuit elements on the electronic circuit board can generate a large amount of heat due to the electrification under the long-time work of the electronic circuit board, the heat generated by the electronic circuit board can not be dissipated timely due to the direct action of the electronic circuit board on an object, the surface temperature of the electronic circuit board is overhigh due to the accumulation around the electronic circuit board, the heat dissipation efficiency of the electronic circuit board is slower, the normal use of the electronic circuit board is influenced, and meanwhile, the precise circuit sub-elements on the electronic circuit board are influenced by the temperature due, and the gas in the air is oxidized, so that the electronic element is rapidly oxidized and corroded, and the service life of the electronic circuit board is shortened.
In summary, the present invention is directed to a heat dissipation device for an electronic circuit board.
Disclosure of Invention
The present invention is directed to a heat dissipation device for an electronic circuit board, which solves the above problems.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides an electronic circuit board heat abstractor, includes radiator fan mounting bracket, from left to right left radiator fan, radiator fan and right radiator fan have set gradually on the radiator fan mounting bracket, the right side wall of radiator fan mounting bracket is provided with left circuit board clamping component and the left side that is located left radiator fan respectively, the right side wall of radiator fan mounting bracket is provided with right circuit board clamping component and the right side that is located right radiator fan, the lateral wall that left circuit board clamping component is relative with right circuit board clamping component is connected with radiating fin seat in the below that is located left radiator fan, evenly set up a plurality of groups installation sleeve on the radiating fin seat, there is the electronic circuit board on the installation sleeve and the top that is located radiating fin seat through the screw connection, left temperature detection sensor, right temperature detection sensor, temperature detect sensor and right temperature detect sensor, left side circuit board clamping unit includes that the L type presss from both sides tight piece, locating piece, fastening screw knob, the tight piece of L type clamp passes through the screw connection on radiator fan mounting bracket, electronic circuit board sets up and presss from both sides between tight piece and the locating piece at the L type, the fastening screw knob is connected on the locating piece, the bottom from the top down of fastening screw knob runs through locating piece, electronic circuit board in proper order and extends to the below of electronic circuit board and connects on the tight piece of L type clamp.
Preferably, the L-shaped clamping block is provided with a guide rail, and the guide rail is correspondingly arranged inside a sliding groove formed in the positioning block and connected in a sliding manner.
Preferably, the fastening screw knob is in threaded connection with the positioning block and the L-shaped clamping block respectively, and the fastening screw knob is in rotary connection with the electronic circuit board.
Preferably, the left circuit board clamping assembly and the right circuit board clamping assembly are symmetrically arranged based on a perpendicular bisector of the cooling fan mounting frame as an axis, and the right circuit board clamping assembly and the left circuit board clamping assembly are identical in structure.
Preferably, the left heat dissipation fan, the heat dissipation fan and the right heat dissipation fan are electrically connected to the electronic circuit board through wires respectively and are connected in parallel.
Preferably, the left temperature detection sensor, the temperature detection sensor and the right temperature detection sensor are respectively and electrically connected to the electronic circuit board through leads and are connected in parallel.
Preferably, the left cooling fan and the left temperature detection sensor are arranged correspondingly, the temperature detection sensor and the cooling fan are arranged correspondingly, and the right temperature detection sensor and the right cooling fan are arranged correspondingly.
Preferably, the temperature values detected by the temperature detection sensor, the left temperature detection sensor and the right temperature detection sensor are sequentially increased.
Preferably, the radiating fin seat is made of an aluminum alloy material, and the radiating fin seat is uniformly provided with guide grooves.
Compared with the prior art, the invention has the beneficial effects that:
1. in the invention, the electronic circuit board is arranged on the radiating fin seat made of aluminum alloy, the electronic circuit board is suspended at the mounting position, three groups of radiating fans are oppositely arranged on the radiating fin seat, the number of the started radiating fans is controlled according to different heat values detected by the temperature detection sensor, the stepped heat dissipation is realized, the effect of saving energy is achieved while the heat dissipation is achieved, and the problem that the interior of the sticking controller of the electronic circuit board after the production is directly used as a main control element at present is solved, so that circuit elements on the electronic circuit board can generate a large amount of heat due to electrification under the long-time work of the electronic circuit board, and the circuit board can not timely dissipate the heat generated by the electronic circuit board due to the direct action of the electronic circuit board on an object, thereby accumulating the circuit board around the electronic circuit board to cause the overhigh surface temperature, the heat dissipation efficiency is low, the normal use of the electronic circuit board is affected, the temperature influence on precise circuit sub-elements on the electronic circuit board caused by overhigh temperature and the oxidation erosion rate of the electronic elements are reduced, and the service life of the electronic circuit board is prolonged.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a portion of the present invention;
FIG. 3 is a schematic view of a portion of the present invention;
FIG. 4 is a schematic view of a portion of the structure of the present invention.
In the figure: the method comprises the following steps of 1-a cooling fan mounting frame, 2-a left cooling fan, 3-a cooling fan, 4-a right cooling fan, 5-a left circuit board clamping assembly, 6-a right circuit board clamping assembly, 7-a cooling fin seat, 8-a mounting sleeve, 9-an electronic circuit board, 10-a left temperature detection sensor, 11-a temperature detection sensor, 12-a right temperature detection sensor, 13-L-shaped clamping blocks, 14-a positioning block, 15-a fastening screw knob, 101-a guide rail and 102-a guide groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution:
an electronic circuit board heat dissipation device comprises a heat dissipation fan mounting frame 1, a left heat dissipation fan 2, a heat dissipation fan 3 and a right heat dissipation fan 4 are sequentially arranged on the heat dissipation fan mounting frame 1 from left to right, a left circuit board clamping assembly 5 is arranged on the right side wall of the heat dissipation fan mounting frame 1 and on the left side of the left heat dissipation fan 2, a right circuit board clamping assembly 6 is arranged on the right side wall of the heat dissipation fan mounting frame 1 and on the right side of the right heat dissipation fan 4, a heat dissipation fin seat 7 is connected to the side wall, opposite to the right circuit board clamping assembly 6, of the left circuit board clamping assembly 5 and below the left heat dissipation fan 2, a plurality of groups of mounting sleeves 8 are uniformly arranged on the heat dissipation fin seat 7, an electronic circuit board 9 is connected to the mounting sleeves 8 and above the heat dissipation fin seat 7 through screws, left temperature detection sensors 10 are equidistantly arranged, Temperature detect sensor 11 and right temperature detect sensor 12, left circuit board clamping assembly 5 includes the tight piece 13 of L type clamp, the locating piece 14, fastening screw knob 15, the tight piece 13 of L type clamp is passed through the screw connection on radiator fan mounting bracket 1, electronic circuit board 9 sets up and presss from both sides between tight piece 13 of L type and locating piece 14, fastening screw knob 15 is connected on locating piece 14, fastening screw knob 15's bottom from the top down runs through locating piece 14 in proper order, electronic circuit board 9 and extend to the below of electronic circuit board 9 and connect on the tight piece 13 of L type clamp.
Further, referring to fig. 1, 2 and 3, a guide rail 101 is disposed on the L-shaped clamping block 13, the guide rail 101 is disposed inside a sliding slot formed in the positioning block 14 and is connected to the positioning block 14 in a sliding manner, the fastening screw knobs 15 are respectively connected to the positioning block 14 and the L-shaped clamping block 13 in a threaded manner, the fastening screw knobs 15 are connected to the electronic circuit board 9 in a rotating manner, the left circuit board clamping assembly 5 and the right circuit board clamping assembly 6 are symmetrically disposed based on a perpendicular bisector of the cooling fan mounting block 1, and the right circuit board clamping assembly 6 and the left circuit board clamping assembly 5 have the same structure, the fastening screw knobs 15 of the left circuit board clamping assembly 5 and the right circuit board clamping assembly 6 are first rotated to relatively separate the positioning block 14 and the L-shaped clamping block 13, and at this time, the electronic circuit board 9 is placed between the L-shaped clamping blocks 13 and the positioning block 14 of the left circuit board clamping assembly 5 and the right circuit board clamping assembly, and the fastening screw knob 15 is rotated, the bottom of the fastening screw knob 15 is sequentially penetrated through the positioning block 14 and the electronic circuit board 9 from top to bottom and extends to the lower part of the electronic circuit board 9 to be connected on the L-shaped clamping block 13, meanwhile, the mounting sleeve 8 is connected with the electronic circuit board 9 through a screw, namely, the electronic circuit board 9 is fixed above the radiating fin seat 7,
further, the left radiator fan 2, the radiator fan 3 and the right radiator fan 4 are respectively and electrically connected to the electronic circuit board 9 through wires in a parallel connection mode, the left temperature detection sensor 10, the temperature detection sensor 11 and the right temperature detection sensor 12 are respectively and electrically connected to the electronic circuit board 9 through wires in a parallel connection mode, when one or two of the three groups of radiator fans are damaged, the rest of the radiator fans are normally used, and the radiator fan 9 is guaranteed to radiate heat
Furthermore, the heat dissipation fin seat 7 is made of an aluminum alloy material, the flow guide grooves 102 are uniformly formed in the heat dissipation fin seat 7, heat generated by the electronic circuit board 9 is guided out under the action of the three groups of heat dissipation fans, effective heat dissipation is guaranteed, meanwhile, the advantage of good high heat conduction performance of the aluminum alloy is utilized, heat generated by the electronic circuit board 9 is further dissipated, and high heat dissipation efficiency is guaranteed.
The specific implementation case is as follows:
as shown in fig. 1, the electronic circuit board 9 is mounted on the heat dissipation fin seat 7, and when the electronic circuit board 9 is powered on, the left heat dissipation fan 2, the heat dissipation fan 3 and the right heat dissipation fan 4 are respectively and electrically connected to the electronic circuit board 9 through wires and are connected in parallel; the left temperature detection sensor 10, the temperature detection sensor 11 and the right temperature detection sensor 12 are respectively and electrically connected to the electronic circuit board 9 through leads and are connected in parallel; the left cooling fan 2 is arranged corresponding to the left temperature detection sensor 10, the temperature detection sensor 11 is arranged corresponding to the cooling fan 3, the right temperature detection sensor 12 is arranged corresponding to the right cooling fan 4, and temperature values detected by the temperature detection sensor 11, the left temperature detection sensor 10 and the right temperature detection sensor 12 are sequentially increased;
when the heat value generated by the electronic circuit board 9 and detected by the temperature detection sensor 11 reaches the temperature value set by the temperature detection sensor 11, the detected signal is transmitted to the electronic circuit board 9, the electronic circuit board 9 receives the signal to control the starting of the cooling fan 3 correspondingly arranged on the temperature detection sensor 11, and after the cooling fan 3 is started, the air quantity is generated, and the heat generated by the electronic circuit board 9 is dissipated through the diversion trench 102;
when the heat value generated by the electronic circuit board 9 and detected by the left temperature detection sensor 10 reaches the temperature value set by the left temperature detection sensor 10, the detected signal is transmitted to the electronic circuit board 9, the electronic circuit board 9 simultaneously controls the air volume generated by the cooling fan 3 and the left cooling fan 2, and the heat generated by the electronic circuit board 9 is dissipated through the diversion trench 102;
when the heat value generated by the electronic circuit board 9 detected by the right temperature detection sensor 12 reaches the temperature value set by the right temperature detection sensor 12, the detected signal is transmitted to the electronic circuit board 9, the electronic circuit board 9 simultaneously controls the air volume generated by the cooling fan 3, the left cooling fan 2 and the right cooling fan 4, the heat generated by the electronic circuit board 9 is dissipated through the diversion trench 102, and when the heat value generated by the electronic circuit board 9 is lower than the temperature values detected by the right temperature detection sensor 12, the left temperature detection sensor 10 and the temperature detection sensor 11, the electronic circuit board 9 receives the signal and sequentially controls the right cooling fan 4, the left cooling fan 2 and the cooling fan 3 to be closed, and the process realizes that the electronic circuit board is suspended at the installation position by installing the electronic circuit board on the cooling fin seat made of aluminum alloy, and simultaneously three groups of cooling fans are oppositely arranged on the cooling fin seat, the number of the started heat dissipation fans is controlled according to different heat values detected by the temperature detection sensors, so that stepped fan heat is realized, heat dissipation is realized, and an energy-saving effect is also realized, so that the problem that the interior of a pasting controller of an electronic circuit board after production is directly used as a main control element at present is solved, circuit elements on the electronic circuit board can generate a large amount of heat due to electrification when the electronic circuit board works for a long time, the heat generated by the electronic circuit board cannot be timely dissipated due to the fact that the electronic circuit board directly acts on an object, the surface temperature of the electronic circuit board is too high due to the fact that the circuit elements are gathered around the electronic circuit board, the heat dissipation efficiency of the electronic circuit board is slow, the normal use of the electronic circuit board is influenced, the influence of temperature on precise circuit sub-elements on the electronic circuit board due to too high temperature and the oxidation erosion rate of the electronic elements are solved, the service life of the electronic circuit board is prolonged.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. An electronic circuit board heat dissipation device, includes radiator fan mounting bracket (1), its characterized in that: a left cooling fan (2), a cooling fan (3) and a right cooling fan (4) are sequentially arranged on the cooling fan mounting frame (1) from left to right, a left circuit board clamping assembly (5) is arranged on the right side wall of the cooling fan mounting frame (1) and is respectively positioned on the left side of the left cooling fan (2), a right circuit board clamping assembly (6) is arranged on the right side wall of the cooling fan mounting frame (1) and is positioned on the right side of the right cooling fan (4), the side wall of the left circuit board clamping assembly (5) opposite to the right circuit board clamping assembly (6) and is positioned below the left cooling fan (2) are connected with a cooling fin base (7), a plurality of groups of mounting sleeves (8) are uniformly arranged on the cooling fin base (7), and an electronic circuit board (9) is connected on the mounting sleeves (8) and above the cooling fin base (7) through screws, left temperature detect sensor (10), temperature detect sensor (11) and right temperature detect sensor (12) are provided with from left to right the equidistance on the terminal surface of electronic circuit board (9), left side circuit board clamping unit (5) include that the L type presss from both sides tight piece (13), locating piece (14), fastening screw knob (15), the L type presss from both sides tight piece (13) through screw connection on radiator fan mounting bracket (1), electronic circuit board (9) set up and press from both sides between tight piece (13) and locating piece (14) at the L type, fastening screw knob (15) are connected on locating piece (14), the bottom from the top down of fastening screw knob (15) runs through locating piece (14), electronic circuit board (9) in proper order and extend to the below of electronic circuit board (9) and connect on the tight piece (13) of L type clamp.
2. The electronic circuit board heat sink of claim 1, wherein: the L-shaped clamping block (13) is provided with a guide rail (101), and the guide rail (101) is correspondingly arranged in a sliding groove formed in the positioning block (14) and connected in a sliding manner.
3. The electronic circuit board heat sink of claim 1, wherein: the fastening screw knob (15) is in threaded connection with the positioning block (14) and the L-shaped clamping block (13) respectively, and the fastening screw knob (15) is in rotary connection with the electronic circuit board (9).
4. The electronic circuit board heat sink of claim 1, wherein: the left circuit board clamping assembly (5) and the right circuit board clamping assembly (6) are symmetrically arranged based on the perpendicular bisector of the cooling fan mounting frame (1) and are identical to each other in structure with the left circuit board clamping assembly (5).
5. The electronic circuit board heat sink of claim 1, wherein: the left cooling fan (2), the cooling fan (3) and the right cooling fan (4) are respectively and electrically connected to the electronic circuit board (9) through leads in a parallel connection mode.
6. The electronic circuit board heat sink of claim 1, wherein: the left temperature detection sensor (10), the temperature detection sensor (11) and the right temperature detection sensor (12) are respectively electrically connected to the electronic circuit board (9) through leads and are connected in parallel.
7. The electronic circuit board heat sink of claim 1, 5 or 6, wherein: the left cooling fan (2) is arranged corresponding to the left temperature detection sensor (10), the temperature detection sensor (11) is arranged corresponding to the cooling fan (3), and the right temperature detection sensor (12) is arranged corresponding to the right cooling fan (4).
8. The electronic circuit board heat sink of claim 1, wherein: the temperature values detected by the temperature detection sensor (11), the left temperature detection sensor (10) and the right temperature detection sensor (12) are sequentially increased.
9. The electronic circuit board heat sink of claim 1, wherein: the radiating fin base (7) is made of an aluminum alloy material, and the radiating fin base (7) is uniformly provided with guide grooves (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022781411.2U CN213638335U (en) | 2020-11-26 | 2020-11-26 | Electronic circuit board heat abstractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022781411.2U CN213638335U (en) | 2020-11-26 | 2020-11-26 | Electronic circuit board heat abstractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213638335U true CN213638335U (en) | 2021-07-06 |
Family
ID=76637269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022781411.2U Active CN213638335U (en) | 2020-11-26 | 2020-11-26 | Electronic circuit board heat abstractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213638335U (en) |
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2020
- 2020-11-26 CN CN202022781411.2U patent/CN213638335U/en active Active
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