CN104661505B - A kind of instrument protector - Google Patents
A kind of instrument protector Download PDFInfo
- Publication number
- CN104661505B CN104661505B CN201510080078.3A CN201510080078A CN104661505B CN 104661505 B CN104661505 B CN 104661505B CN 201510080078 A CN201510080078 A CN 201510080078A CN 104661505 B CN104661505 B CN 104661505B
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- China
- Prior art keywords
- frame
- fixed
- instrument
- electromagnetic shielding
- bushing
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- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The present invention relates to a kind of instrument protector, instrument includes: the electric component of printed circuit board and setting on a printed circuit；Protector includes: protection board and the frame equipped with fixation hole；The horizontal direction of the inside of frame is equipped with the groove of fixed protection board；Frame upper side is equipped with the groove for being connected and fixed frame, and frame and fixed frame are fixed by connector, and electromagnetic shielding pad is equipped in the groove of frame；Protection board is at least two layers, is equipped with electromagnetic shielding net therebetween.Technical solution provided by the invention had not only met oversize vehicle to the higher shielding requirements of electromagnetic energy, but also had the advantages that easy for installation, manufacturing cost is low.
Description
Technical field
The present invention relates to a kind of meter cases with anti electromagnet interference function, in particular to a kind of to be applied to large car
Instrumentfixing device.
Background technique
Existing oversize vehicle since working environment is complicated, conducting wire is more, can be generated in traveling the electric current frequently changed and
Higher electromagnetic energy.A lot of other electric appliance and accurate electronic equipment are installed, in the ring of higher electromagnetic energy on vehicle
In border, the case where these equipment will appear mistake or can not work normally, or even have serious security risk.
And existing oversize vehicle instrument does not have EMC anti electromagnet interference function generally.Some vehicles instrument is meeting EMC
Due to inconsiderate to structure when function, the anti-electromagnetic interference effect of instrument after a period of use is caused to be deteriorated.And at present
The electromangnetic spectrum of electric appliance and electronic equipment is substantially the shielding of low electromagnetism, and material used and structure are relatively simple,
So vehicle is not able to satisfy the shielding to higher electromagnetic energy and the special mounting structure of oversize vehicle.
For this reason, it may be necessary to a kind of meter case with anti electromagnet interference function be provided, to meet oversize vehicle to electromagnetic energy
Higher shielding requirements are measured, and have the advantages that easy for installation, manufacturing cost is low.
Summary of the invention
The above problem to be solved is realized by following technical proposals: providing a kind of instrument with anti electromagnet interference function
Watch case solves the problems, such as that the anti-electromagnetic interference capability of existing instrument board is weak.
The present invention provides a kind of instrument protector, and the instrument is the printed circuit board equipped with electric component, the printing
Circuit board is arranged on car body instrument desk, and the electric component is connected on printed circuit board by data cable；The protector
The frame for including: protection board and being fixed on car body instrument desk；The horizontal direction in the outside of the frame is equipped with installation part；Institute
The horizontal direction for stating the inside of frame is equipped with the groove of the fixed protection board；The frame is equipped with and is connected and fixed the recessed of frame
Slot, the frame and fixed frame are fixed by connector, and electromagnetic shielding pad is equipped in the groove of the frame；
The protection board is at least two layers, is equipped with electromagnetic shielding net therebetween；
The installation part is connected with the bushing for being fixed with ground strip and damper.
The frame and fixed frame are rectangle, and the upper surface of the fixed frame is plane, and lower surface is equipped with boss and taper
Head；The height of the fixed frame is equal to the depth of the groove of the frame.
The electromagnetic shielding net package electromagnetic shielding pad.
The electromagnetic shielding pad and fixed frame are interference fit；The electromagnetic shielding pad is to be added to metal powder or metal
The rubber material of particle.
Dust-proof seal ring is equipped between the protection board and frame, the frame and connector are aluminum alloy material.
On said frame there are gap, make to be electromagnetically shielded net and pad with electromagnetic shielding to be connected.
The electric component is:
-- electric motor units, especially stepper motor；And/or
-- loudspeaker；And/or
-- buzzer；And/or
-- connector；And/or
-- display screen.
The bushing is the hollow T-type cylinder that one end is equipped with catwalk；The bushing inner cavity is equipped with connecting bushing and vehicle body
Fixed pin；The ground strip is the sheffield plate that both ends are equipped with connecting hole, and one end is socketed on bushing exocoel, and the other end is logical
Screw is crossed to be fixed on grounding base；The ground strip upper and lower end face is connected with catwalk and installation part respectively.
The damper includes yielding rubber and the vibration damping sheet that yielding rubber both ends are arranged in, and the yielding rubber is hollow
Cylinder, is socketed in the exocoel of the bushing, and the yielding rubber both ends are connected with installation part and vehicle body respectively.
Compared with the latest prior art, technical solution provided by the invention has the following beneficial effects:
1, the frame lower end of meter case provided by the present application is equipped with cone structure connector, can reduce fixed frame and frame
Resistance, compression electromagnetic shielding pad between frame, play the role of enhancing meter case shield effectiveness.
It 2, is mostly that colloid connects with electromagnetic shielding net due to protection board, the protection board and frame of meter case provided by the present application
It is sealed between frame using dust-proof seal ring, prevents micelle from entering instrument.
3, electromagnetic shielding net provided by the present application is by electromagnetic shielding pad package, with enhancing meter case shield effectiveness and just
In installation the advantages of.
4, frame and connector provided by the present application all use aluminum alloy material, have excellent effectiveness.
5, electromagnetic shielding pad provided by the present application is the rubber material for being added to metal powder or metallic particles, is had excellent
Effectiveness.
6, instrument protector provided by the present application, which is equipped with ground strip, can effectively dredge the electrostatic charge on instrument protector.
7, instrument protector provided by the present application, which is equipped with damper, can efficiently reduce vibratory impulse to instrument protector
It influences.
Detailed description of the invention
Fig. 1 is meter case main view provided by the invention；
Fig. 2 is meter case protection board mounting groove provided by the invention and fixing groove schematic diagram；
Fig. 3 is protection board main view provided by the invention；
Fig. 4 is fixed frame main view provided by the invention；
Fig. 5 is that electromagnetic shielding provided by the invention pads cross-sectional view；
Fig. 6 is meter case partial schematic diagram provided by the invention；
Fig. 7 is meter case partial exploded view provided by the invention；
Fig. 8 is printed circuit board schematic diagram provided by the invention；
Fig. 9 is car body instrument desk schematic diagram provided by the invention；
Figure 10 is bushing main view provided by the invention；
Figure 11 is ground strip main view provided by the invention；
Figure 12 is damper main view provided by the invention；
Figure 13 is grounding base main view provided by the invention.
Wherein, 1-protection board, 2-frames, 3-printed circuit boards, 4-electric components, 5-installation parts, 6-fixed frames,
7-connectors, 8-electromagnetic shielding pads, 9-electromagnetic shielding nets, 10-boss, 11-conical heads, 12-dust-proof seal rings, 13-
Protection board mounting groove, 14-sealing ring fixing grooves, 15-car body instrument desks, 16-ground strips, 17-dampers, 18-bushings,
19-catwalks, 20-grounding bases, 21-yielding rubbers, 22-vibration damping sheets.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1: as shown in Figure 1, the present invention provides a kind of instrument protector, as shown in figure 8, the instrument is equipped with electricity
The printed circuit board 3 of pneumatic module 4, the printed circuit board 3 are arranged on car body instrument desk 15, and the electric component 4 is by data
Cable is connected on printed circuit board 3；As shown in figure 9, the protector includes: protection board 1 and is fixed on car body instrument desk 15
On frame 2；The horizontal direction of the inside of the frame 2 is equipped with the groove of the fixed protection board 1；Outside the frame 2
The horizontal direction of side is equipped with installation part 5；The frame 2 is equipped with the groove for being connected and fixed frame 6, the frame 2 and fixed frame 6
It is fixed by connector 7, which is characterized in that
As shown in figure 5, being equipped with electromagnetic shielding pad 8 in the groove of the frame 2；
As shown in figure 3, the protection board 1 is at least two layers, it is equipped with electromagnetic shielding net 9 therebetween；
The installation part 5 is connected with the bushing 18 for being fixed with ground strip 16 and damper 17.
As shown in figure 4, frame 2 and fixed frame 6 are rectangle, the upper surface of fixed frame 6 is plane, and lower surface is equipped with boss 10
With conical head 11；The height of fixed frame 6 is equal to the depth of the groove of frame 2.
As shown in Figures 6 and 7, electromagnetic shielding net 9 package electromagnetic shielding pad 8.
It is electromagnetically shielded pad 8 and fixed frame 6 is interference fit；Electromagnetic shielding pad 8 is to be added to metal powder or metallic particles
Rubber material.
Dust-proof seal ring 12 is equipped between protection board 1 and frame 2.
Frame 2 and connector 7 are aluminum alloy material.
There are gaps on the frame 2, and electromagnetic shielding net 9 is made to be connected with pad 8 is electromagnetically shielded.
Electric component 4 is:
-- electric motor units, especially stepper motor；And/or
-- loudspeaker；And/or
-- buzzer；And/or
-- connector；And/or
-- display screen.
As shown in Figure 10, the bushing 18 is the hollow T-type cylinder that one end is equipped with catwalk 19；18 inner cavity of bushing is equipped with
The fixed pin of connecting bushing 18 and vehicle body；As shown in figure 11, the ground strip 16 is the silver-plated copper that both ends are equipped with connecting hole
Piece, one end are socketed on 18 exocoel of bushing, and as shown in figure 13, the other end is fixed by screws on grounding base 20；It is described to connect
Piece 16 upper and lower end face in ground is connected with catwalk 19 and installation part 5 respectively.
As shown in figure 12, the damper 17 includes yielding rubber 20 and the vibration damping sheet that 21 both ends of yielding rubber are arranged in
22, the yielding rubber 20 is hollow circuit cylinder, is socketed in the exocoel of the bushing 18,20 both ends of yielding rubber respectively with peace
Piece installing 5 is connected with vehicle body.
Specific erection sequence are as follows: be 1. horizontally arranged frame 2,2. dust-proof seal ring 12 is fixed on protection board by opening upwards
In the sealing ring fixing groove 14 of 13 lower end of mounting groove, it is 3. horizontally arranged the protection board 1 for being fixed with electromagnetic shielding net 6, then electricity
Magnetic screen net 6 is embedded in fixing groove 7 as shown in fig. 7, electromagnetic shielding pad 6 is 4. placed in groove profile and is electromagnetically shielded in net 6,5. will fix
Frame 5 is placed on above frame 3, and 6. installation connecting element 7 is fixed, as shown in Fig. 2, 7. by the installation part 5 and set on instrument protector
It is connected to ground strip 16 to be connected with the bushing 18 of damper 17, and is bolted with the mounting hole on car body instrument desk 15.
The above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof, although referring to above-described embodiment pair
The present invention is described in detail, those of ordinary skill in the art still can to a specific embodiment of the invention into
Row modifies perhaps equivalent replacement and these exist without departing from any modification of spirit and scope of the invention or equivalent replacement
Apply within pending claim protection model of the invention.
Claims (8)
1. a kind of instrument protector, the instrument is the printed circuit board (3) equipped with electric component (4), the printed circuit board
(3) it is arranged on car body instrument desk (15), the electric component (4) is connected on printed circuit board (3) by data cable；It is described
Protector includes: protection board (1) and the frame (2) being fixed on car body instrument desk (15)；The level in the outside of the frame (2)
Direction is equipped with installation part (5)；The horizontal direction of the inside of the frame (2) is equipped with the groove of the fixed protection board (1)；
The frame (2) is equipped with the groove for being connected and fixed frame (6), and the frame (2) and fixed frame (6) are fixed by connector (7),
It is characterized in that,
Electromagnetic shielding pad (8) is equipped in the groove of the frame (2)；
The protection board (1) is at least two layers, is equipped with electromagnetic shielding net (9) therebetween；
The installation part (5) is connected with the bushing (18) for being fixed with ground strip (16) and damper (17)；
The bushing (18) is the hollow T-type cylinder that one end is equipped with catwalk (19)；Bushing (18) inner cavity is equipped with connecting bushing
(18) and the fixed pin of vehicle body；The ground strip (16) is the sheffield plate that both ends are equipped with connecting hole, and one end is socketed in
On bushing (18) exocoel, the other end is fixed by screws on grounding base (20)；Ground strip (16) upper and lower end face respectively with T
Platform (19) is connected with installation part (5).
2. a kind of instrument protector according to claim 1, which is characterized in that the frame (2) and fixed frame (6) are square
Shape, the upper surface of the fixed frame (6) are plane, and lower surface is equipped with boss (10) and conical head (11)；The fixed frame (6)
Height is equal to the depth of the groove of the frame (2).
3. a kind of instrument protector according to claim 1, which is characterized in that the electromagnetic shielding net (9) wraps up electromagnetism
Shielding pad (8).
4. a kind of instrument protector according to claim 1, which is characterized in that the electromagnetic shielding pad (8) and fixed frame
It (6) is interference fit；The electromagnetic shielding pad (8) is the rubber material for being added to metal powder or metallic particles.
5. a kind of instrument protector according to claim 1, which is characterized in that between the protection board (1) and frame (2)
Equipped with dust-proof seal ring (12), the frame (2) and connector (7) are aluminum alloy material.
6. a kind of instrument protector according to claim 1, which is characterized in that there are gaps on the frame (2), make
Electromagnetic shielding net (9) is connected with electromagnetic shielding pad (8).
7. a kind of instrument protector according to claim 1, which is characterized in that the electric component (4) is:
-- electric motor units；And/or
-- loudspeaker；And/or
-- buzzer；And/or
-- connector；And/or
-- display screen.
8. a kind of instrument protector according to claim 1, which is characterized in that the damper (17) includes yielding rubber
(21) and setting is in the vibration damping sheet (22) at yielding rubber (21) both ends, and the yielding rubber (21) is hollow circuit cylinder, is socketed in institute
The exocoel of bushing (18) is stated, yielding rubber (21) both ends are connected with installation part (5) and vehicle body respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510080078.3A CN104661505B (en) | 2015-02-13 | 2015-02-13 | A kind of instrument protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510080078.3A CN104661505B (en) | 2015-02-13 | 2015-02-13 | A kind of instrument protector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104661505A CN104661505A (en) | 2015-05-27 |
| CN104661505B true CN104661505B (en) | 2019-05-14 |
Family
ID=53252050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510080078.3A Expired - Fee Related CN104661505B (en) | 2015-02-13 | 2015-02-13 | A kind of instrument protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104661505B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109687916A (en) * | 2018-11-23 | 2019-04-26 | 上海健康医学院 | A kind of radio frequency power calibration method and prover |
| TWI754517B (en) | 2021-01-07 | 2022-02-01 | 和碩聯合科技股份有限公司 | Electronic connector assembly and electronic connector thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000236189A (en) * | 1999-02-16 | 2000-08-29 | Minebea Co Ltd | Shielding device for electronic circuit for aircraft |
| CN102848921A (en) * | 2011-05-30 | 2013-01-02 | 罗伯特·博世有限公司 | Device for displaying |
| CN203590674U (en) * | 2013-09-13 | 2014-05-07 | 湖北航天技术研究院特种车辆技术中心 | Electromagnetic isolation vehicle-mounted display |
-
2015
- 2015-02-13 CN CN201510080078.3A patent/CN104661505B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000236189A (en) * | 1999-02-16 | 2000-08-29 | Minebea Co Ltd | Shielding device for electronic circuit for aircraft |
| CN102848921A (en) * | 2011-05-30 | 2013-01-02 | 罗伯特·博世有限公司 | Device for displaying |
| CN203590674U (en) * | 2013-09-13 | 2014-05-07 | 湖北航天技术研究院特种车辆技术中心 | Electromagnetic isolation vehicle-mounted display |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104661505A (en) | 2015-05-27 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190514 Termination date: 20210213 |
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| CF01 | Termination of patent right due to non-payment of annual fee |