CN210016818U - Improved electric shovel excitation main control board - Google Patents
Improved electric shovel excitation main control board Download PDFInfo
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- CN210016818U CN210016818U CN201920675348.9U CN201920675348U CN210016818U CN 210016818 U CN210016818 U CN 210016818U CN 201920675348 U CN201920675348 U CN 201920675348U CN 210016818 U CN210016818 U CN 210016818U
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- circuit board
- main control
- control board
- shock pad
- board
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Abstract
The utility model discloses an improvement formula electric shovel excitation main control board belongs to excitation device technical field, including circuit board and extension board, the last surface mounting of circuit board has components and parts, the front side cover of circuit board is equipped with preceding shock pad, the side-mounting of extension board has radiator fan, the bar groove has been seted up to radiator fan's below. The utility model discloses when using, install the extension board on the circuit board through the fixed screw earlier, then will be preceding shock pad and back shock pad cover establish both ends around the circuit board, when functioning, radiator fan bloies to components and parts on the circuit board this moment, thereby take away the heat that produces when components and parts move, air circulation with higher speed, thereby dispel the heat, and preceding shock pad and back shock pad carry out the shock attenuation to the circuit board, current main control board compares, neotype improvement formula electric shovel excitation main control board can effectively dispel the heat, the shock attenuation simultaneously, the life of main control board is greatly improved, the fault rate is reduced.
Description
Technical Field
The utility model belongs to the technical field of excitation device, specifically be an improvement formula electric shovel excitation main control board.
Background
Excitation is a machine that provides a stator power supply to a generator or a synchronous motor stator and provides a working magnetic field for the generator or the like (an electrical device that operates on the principle of electromagnetic induction). Sometimes, a device for providing rotor power for a generator rotor is called excitation, and the device can be divided into other excitation modes, such as excitation, series excitation, complex excitation and the like according to different excitation modes of the direct current motor.
The lack of heat abstractor on the main control board of the electric shovel excitation equipment on the existing market leads to easy overheated circuit breaking of electrical components on the main control board when using to lead to the emergence of trouble.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: in order to solve the problem that an electrical element on a main control board is easy to overheat and break when the electrical element is used due to the lack of a heat dissipation device on the main control board of an electric shovel excitation device in the current market, and accordingly faults occur, the improved electric shovel excitation main control board is provided.
The utility model adopts the technical scheme as follows:
the utility model provides an improvement formula electric shovel excitation main control board, includes circuit board and extension board, the upper surface of circuit board carries components and parts, shock pad before the front side cover of circuit board is equipped with, the side-mounting of extension board has radiator fan, the bar groove has been seted up to radiator fan's below, radiator fan locates through the bar groove cover the top of circuit board, the hole has been seted up to the lateral wall in bar groove, the hole spiro union has the set screw, the rear side cover of circuit board is equipped with the back shock pad, components and parts and radiator fan all with external power source electric connection.
The front shock pad and the rear shock pad are made of rubber, and the support plate is made of plastic.
The air inlet end of the heat dissipation fan 7 faces away from the component 3, and the air outlet end of the heat dissipation fan 7 faces towards the component 3.
Wherein, the support plate 8 and the circuit board 1 are perpendicular to each other.
Screw holes are formed in two sides of the circuit board 1, the fixing screws 5 penetrate through the holes 4, and the inner ends of the fixing screws 5 are in threaded connection with the screw holes.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that: the utility model discloses when using, install the extension board on the circuit board through the fixed screw earlier, then will be preceding shock pad and back shock pad cover establish both ends around the circuit board, when functioning, radiator fan bloies to components and parts on the circuit board this moment, thereby take away the heat that produces when components and parts move, air circulation with higher speed, thereby dispel the heat, and preceding shock pad and back shock pad carry out the shock attenuation to the circuit board, current main control board compares, neotype improvement formula electric shovel excitation main control board can effectively dispel the heat, the shock attenuation simultaneously, the life of main control board is greatly improved, the fault rate is reduced.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
fig. 2 is a side view of the present invention;
fig. 3 is a schematic diagram of the structure of the middle support plate of the present invention.
The labels in the figure are: 1. a circuit board; 2. a front cushion pad; 3. a component; 4. a hole; 5. fixing screws; 6. a rear cushion pad; 7. a heat radiation fan; 8. a support plate; 9. a strip-shaped groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Referring to fig. 1 and fig. 2 and fig. 3, an improved electric shovel excitation main control board comprises a circuit board 1 and a support plate 8, components 3 are carried on the upper surface of the circuit board 1, a front shock pad 2 is sleeved on the front side of the circuit board 1, a heat dissipation fan 7 is installed on the side surface of the support plate 8, a bar-shaped groove 9 is formed below the heat dissipation fan 7, the heat dissipation fan 7 is sleeved above the circuit board 1 through the bar-shaped groove 9, a hole 4 is formed in the side wall of the bar-shaped groove 9, a fixing screw 5 is screwed in the hole 4, a rear shock pad 6 is sleeved on the rear side of the circuit board 1, the components 3 and the heat dissipation fan 7 are both electrically connected with an external power supply, when the improved electric shovel excitation main control board is used, the support plate 8 is firstly installed on the circuit board 1 through the fixing screw 5, then the front shock pad 2 and the rear shock pad 6 are sleeved on the front and, thereby take away the heat that produces when components and parts 3 move, air cycle accelerates to dispel the heat to preceding shock pad 2 and back shock pad 6 carry out the shock attenuation to circuit board 1, current main control board compares, and neotype improvement formula electric shovel excitation main control board can effectively dispel the heat, and the shock attenuation has simultaneously improved the life of main control board greatly, has reduced the fault rate.
Referring to fig. 2, preceding shock pad 2 and back shock pad 6 are the rubber material, preceding shock pad 2 and back shock pad 6 carry out the shock attenuation to circuit board 1, service life is prolonged, extension board 8 is the plastics material, prevent to open circuit, extension board 8 and 1 mutually perpendicular of circuit board, radiator fan 7's inlet end is components and parts 3 dorsad, radiator fan 7's the end of giving vent to anger is towards components and parts 3, when the function, radiator fan 7 bloies to components and parts 3 on the circuit board this moment, thereby take away the heat that produces when components and parts 3 move, air circulation accelerates, thereby dispel the heat.
Referring to fig. 3 in combination with fig. 2, screw holes are formed in two sides of the circuit board 1, fixing screws 5 penetrate through the holes 4, inner ends of the fixing screws 5 are in threaded connection with the screw holes, and the support plate 8 is mounted on the circuit board 1 through the fixing screws 5, so that the support plate 8 is more convenient to mount and dismount.
The working principle is as follows: the utility model discloses when using, install extension board 8 on circuit board 1 through fixed screw 5 earlier, then establish preceding shock pad 2 and back shock pad 6 cover both ends around circuit board 1, when functioning, radiator fan 7 bloies to components and parts 3 on the circuit board this moment, thereby take away the heat that produces when components and parts 3 move, air circulation with higher speed, thereby dispel the heat, and preceding shock pad 2 and back shock pad 6 carry out the shock attenuation to circuit board 1, current main control board compares, neotype improvement formula electric shovel excitation main control board can effectively dispel the heat, the shock attenuation simultaneously, the life of main control board has been improved greatly, the fault rate is reduced.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (5)
1. The utility model provides an improvement formula electric shovel excitation main control board, includes circuit board (1) and extension board (8), its characterized in that: the utility model discloses a solar energy heat-radiating fan, including circuit board (1), upper surface carries components and parts (3), shock pad (2) before the front side cover of circuit board (1) is equipped with, the side-mounting of extension board (8) has radiator fan (7), bar groove (9) have been seted up to radiator fan's (7) below, radiator fan (7) are located through bar groove (9) cover the top of circuit board (1), hole (4) have been seted up to the lateral wall of bar groove (9), hole (4) spiro union has set screw (5), the rear side cover of circuit board (1) is equipped with back shock pad (6), components and parts (3) and radiator fan (7) all with external power source electric connection.
2. The improved electric shovel excitation main control board of claim 1, characterized in that: the front shock pad (2) and the rear shock pad (6) are made of rubber, and the support plate (8) is made of plastic.
3. The improved electric shovel excitation main control board of claim 1, characterized in that: the air inlet end of the heat dissipation fan (7) faces away from the component (3), and the air outlet end of the heat dissipation fan (7) faces towards the component (3).
4. The improved electric shovel excitation main control board of claim 1, characterized in that: the support plate (8) and the circuit board (1) are perpendicular to each other.
5. The improved electric shovel excitation main control board of claim 1, characterized in that: screw holes are formed in two sides of the circuit board (1), the fixing screws (5) penetrate through the holes (4), and the inner ends of the fixing screws (5) are in threaded connection with the screw holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920675348.9U CN210016818U (en) | 2019-05-13 | 2019-05-13 | Improved electric shovel excitation main control board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920675348.9U CN210016818U (en) | 2019-05-13 | 2019-05-13 | Improved electric shovel excitation main control board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210016818U true CN210016818U (en) | 2020-02-04 |
Family
ID=69316733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920675348.9U Active CN210016818U (en) | 2019-05-13 | 2019-05-13 | Improved electric shovel excitation main control board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210016818U (en) |
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2019
- 2019-05-13 CN CN201920675348.9U patent/CN210016818U/en active Active
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