CN208224399U - Button equipment radio frequency electromagnetic field radiation immunity experiment key detection device - Google Patents
Button equipment radio frequency electromagnetic field radiation immunity experiment key detection device Download PDFInfo
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- CN208224399U CN208224399U CN201820885149.6U CN201820885149U CN208224399U CN 208224399 U CN208224399 U CN 208224399U CN 201820885149 U CN201820885149 U CN 201820885149U CN 208224399 U CN208224399 U CN 208224399U
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Abstract
The utility model relates to a kind of button equipment radio frequency electromagnetic field radiation immunity experiment key detection devices, including two columns, two columns are distributed in the two sides of the key of Devices to test, and the lower end of column is connect with Devices to test, the upper end of the column is provided with card slot, litter is provided in card slot, card slot on two columns supports the both ends of litter respectively, hanger is provided on the litter, electromagnetism push rod is provided on the hanger, the lower end of the electromagnetism push rod is connected with compensating squeeze head, and compensating squeeze head corresponds to the key of Devices to test.The utility model can press the key of equipment under test, key is tested in anechoic chamber, observe the key in electromagnetic radiation can normal use, so that the working environment of real simulation equipment under test, guarantees the accuracy of the result of radio frequency electromagnetic field radiation immunity experiment.
Description
Technical field:
The utility model belongs to electromagnetic compatibility test equipment technical field, and in particular to a kind of button equipment radio frequency electricity
Magnetic field radiation immunity experiment key detection device.
Background technique:
Modern society is flooded with electromagnetism noise, therefore all kinds of electricity with industry and the information industry development, ambient enviroment everywhere
Sub- equipment needs to carry out electromagnetic compatibility testing (EMC).Electromagnetic compatibility testing refers to equipment or system in its electromagnetic environment
The operation that meets the requirements does not generate intolerable electromagnetic interference capability to any equipment in its environment.Electromagnetic compatibility testing
Comprising electromagnetic immunity test (EMS) and electromagnetic disturbance test (EMI), the electromagnetism noise that is full of for our ambient enviroments is to setting
The standby test influenced belongs to electromagnetic immunity test (EMS).Electromagnetic immunity tests important one i.e. radio frequency electromagnetic field in (EMS)
Noise immunity test (RS) is radiated, this test needs to carry out in the anechoic chamber, for meeting international and national standard.
Anechoic chamber, is to meet the wall of indices requirement to post the confined space of absorbing material in simple terms.The electric wave
Having in darkroom can emit in 80MHz~2000MHz frequency range or the higher radio-frequency radiation source of frequency, and tested equipment is in electricity
Be switched on operation in wave darkroom, simulates real work scene, and whether observation test item can correctly be held under strong electromagnetic radiation environment
Row corresponding operating.
But for button equipment under test, under strong electromagnetic radiation environment, key whether can normal use,
It is as one of the important indicator for judging whether the equipment can work normally.But the electromagnetic radiation in anechoic chamber, is to people
Body injury greatly, therefore, when carrying out radio frequency electromagnetic field radiation immunity experiment to equipment under test, forbids personnel to enter electric wave dark
Interior, but for button equipment under test, operator cannot be introduced into anechoic chamber, operation button, it just can not be to tested
The key of equipment is tested.
Currently, for equipment under test with lead, it will usually increase wire length, device keys are guided to anechoic chamber,
Outer operation, however increase lead can change device structure and lead can guide to part high frequency radiation outside darkroom, to work people
Member generates radiation, simultaneously as increasing wire length, has strictly speaking changed the physical structure of equipment, so not
It can good simulating actual conditions.Key is fixed on equipment under test, these equipment just cannot be by increasing wire length
To be tested, it is difficult to simulate true working environment, influence the accuracy of test result.
Utility model content:
In conclusion in order to overcome the shortcomings of prior art problem, the utility model provides a kind of button equipment and penetrates
Frequency electromagnetic field radiation immunity experiment key detection device, it is on the key two sides of equipment under test setting column, column
Suspention is arranged using electromagnetism push rod as the press device of power, the key of press device face equipment under test, to equipment under test key
Pressing operation is carried out, when carrying out radio frequency electromagnetic field radiation immunity experiment to equipment under test, is set by presses to tested
Standby key is tested, observe the key in electromagnetic radiation can normal use, thus real simulation equipment under test
Working environment, guarantee the accuracy of the result of radio frequency electromagnetic field radiation immunity experiment.
In order to solve the above technical problems, the technical solution of the utility model is achieved in that
A kind of button equipment radio frequency electromagnetic field radiation immunity experiment key detection device, in which: vertical including two
Column, two columns are distributed in the two sides of the key of Devices to test, and the lower end of column is connect with Devices to test, on the column
End is provided with card slot, is provided with litter in card slot, and the card slot on two columns supports the both ends of litter respectively, on the litter
It is provided with hanger, electromagnetism push rod is provided on the hanger, the lower end of the electromagnetism push rod is connected with compensating squeeze head, elasticity
Pressure head corresponds to the key of Devices to test.
Further, the lower end of the column is connect by Magnetic adhesive mat with Devices to test, the Magnetic adhesive mat one side
For sticky glue, high strength permanent magnet iron is arranged in another side, and the sticky glue of Magnetic adhesive mat is pasted on Devices to test on one side, and described is vertical
Column includes nonmetallic cylinder and the link block for being pasted and fixed on cylinder lower end, and the link block is irony link block or is iron
Oxysome block or high strength permanent magnet body block, link block upper end are fixed on the lower end of cylinder by tack adhesive patch, the lower end of link block with
The face magnetic absorption connection for being provided with high strength permanent magnet iron of Magnetic adhesive mat.
Further, the lower end of the column is connect by bolt with Devices to test；Or the lower end of column is by two-sided
Glue is connect with Devices to test；Or the lower end of column is connected by binding strap and Devices to test binding.
Further, it is provided with end jackscrew on the side wall of the card slot of the upper end of the column, end jackscrew is from a left side for litter
Right two sides hold out against litter, and the bottom surface of the card slot is provided with guide chute, and the lower end of the litter is provided with guide runner,
Guide runner is arranged in guide chute, and can slide under the promotion of end jackscrew along guide chute.
Further, the hanger is rectangular frame structure, and it is " n " font that the upper end of top plate, which is provided with cross sectional shape,
Hook, hanger is provided with side jackscrew, side jackscrew holds out against litter, described by being hooked on litter on the hook
Hanger top plate on be provided with adjusting jackscrew, adjust jackscrew and be threadedly coupled with the top plate of hanger, the lower end for adjusting jackscrew passes through
Bearing is connect with electromagnetism push rod, and hanger lower end is provided with bottom plate, and electromagnetism push rod, the electromagnetism are provided between bottom plate and top plate
The lower end of the slip shaft of push rod passes through the bottom plate of hanger, is provided with bullet on the lower end of the slip shaft of the electromagnetism push rod under bottom plate
Property pressure head.
Further, it is provided with guide groove on the side plate of the hanger, is provided with and leads on the side wall of the electromagnetism push rod
To block, the guide pad is arranged in guide groove.
Further, the electromagnetism push rod includes shell, coil, slip shaft and reset spring, is set in the shell
It is equipped with coil, slip shaft is installed in coil, is provided with reset spring between the upper end end cap and shell of slip shaft, described
Reset spring be sleeved on slip shaft, the slip shaft includes permanent magnet top and nonmetallic rod-shaped lower part, permanent magnetism
The lower end on body top is connect with the upper end of nonmetallic rod-shaped lower part, the lower end setting elasticity pressure of the nonmetallic rod-shaped lower part
Head.
Further, the compensating squeeze head is the elastic rubber pressure head that the lower end of slip shaft of electromagnetism push rod is arranged in.
The utility model has the following beneficial effects:
1, the utility model is the key surrounding setting column in equipment under test, and suspention, which is arranged with electromagnetism push rod, on column is
The press device of power, the key of press device face equipment under test carry out pressing operation to equipment under test key, to tested
It when equipment carries out radio frequency electromagnetic field radiation immunity experiment, is tested, is observed by key of the presses to equipment under test
The key in electromagnetic radiation can normal use guarantee radio frequency electrical thus the working environment of real simulation equipment under test
The accuracy of the result of magnetic field radiation immunity experiment.
2, the both ends of the litter of the utility model are arranged in the card slot on column, and end top is provided on the side wall of card slot
Silk, the bottom surface of card slot are provided with guide chute, and guide chute cooperates with the guide runner that litter lower end is arranged in, and pass through top
Silk can push litter mobile, realize the fine tuning to litter position, and guide runner and guide chute cooperate, the adjustment to litter
Play guide and limit, realized by end jackscrew and litter length travel is adjusted, to realize longitudinal position to compensating squeeze head
Transposition is whole.
3, the hanger upper end of the utility model is by being hooked on litter, and links up with and side jackscrew is arranged, and passes through side
Jackscrew realizes being fastenedly connected for hanger and litter, unclamps side jackscrew, can adjust position of the hook on litter, to realize to hanging
The lateral displacement of frame adjusts, and realizes and adjusts to the lateral displacement of compensating squeeze head.
4, the utility model drives the key of compensating squeeze head device under test to be pressed using electromagnetism push rod, compensating squeeze head
With key flexible contact, human finger pressing keys are simulated, rigidity is avoided to press the damage to key, the utility model can pass through
Adjust the height of jackscrew adjustment electromagnetism push rod, so as to adjust the distance between compensating squeeze head and key, guide groove and guide pad phase
The guiding when adjustment of electromagnetism push rod height is realized in mutually cooperation.
Detailed description of the invention:
Fig. 1 is the structural schematic diagram of the utility model
Column 1；Key 2；Litter 4；Hanger 5；Electromagnetism push rod 6；Compensating squeeze head 7；Magnetic adhesive mat 8；End jackscrew 9；Hook
51；Side jackscrew 52；Adjust jackscrew 53；Reset spring 54；Guide groove 55；Guide pad 61；Link block 101.
Fig. 2 is the left view structural representation of Fig. 1 of the utility model
Column 1；Card slot 3；Litter 4；Magnetic adhesive mat 8；End jackscrew 9；Guide chute 10；Guide runner 11；Link block
101。
The A-A schematic cross-sectional view of Fig. 1 of the position Fig. 3 the utility model
Column 1；Card slot 3；Litter 4；Hanger 5；Magnetic adhesive mat 8；End jackscrew 9；Hook 51；Side jackscrew 52；Guide groove 55；
Guide pad 61.
Fig. 4 is the structural schematic diagram of the electromagnetism push rod of the utility model
Hanger 5；Adjust jackscrew 53；Reset spring 54；Shell 62；Coil 63；Slip shaft 64；Permanent magnet top 65；It is non-
Metallic rod shaped lower part 66；Compensating squeeze head 7.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.
As shown in Figure 1, Figure 2, Figure 3, Figure 4, a kind of button equipment radio frequency electromagnetic field radiation immunity experiment is examined with key
Survey device, including two columns 1, two columns 1 are distributed in the two sides of the key 2 of Devices to test, and the lower end of column 1 with it is to be measured
The lower end of equipment connection, column 1 is connect by Magnetic adhesive mat 8 with Devices to test, and 8 one side of Magnetic adhesive mat is sticky glue,
High strength permanent magnet iron is arranged in another side, and the sticky glue of Magnetic adhesive mat 8 is pasted on Devices to test on one side, the Magnetic adhesive mat 8
1 lower end of column is adsorbed by high strength permanent magnet ferromagnetism, the column 1 includes nonmetallic cylinder and is pasted and fixed under cylinder
The link block 101 at end, the link block 101 are irony link block or are ferrite block or high strength permanent magnet body block, link block 101
Upper end is fixed on the lower end of cylinder by tack adhesive patch, and the lower end of link block 101 and Magnetic adhesive mat 8 are provided with high strength permanent magnet
One face magnetic absorption of iron connects.
1 upper end of column is provided with card slot 3, and litter 4 is provided in card slot 3, and the card slot 3 on two columns 1 is distinguished
The both ends for supporting litter 4, are provided with end jackscrew 9 on the side wall of the card slot 3 of 1 upper end of column, and end jackscrew 9 is from a left side for litter 4
Right two sides hold out against litter 4, and the bottom surface of the card slot 3 is provided with guide chute 10, and the lower end of the litter 4 is provided with guiding
Sliding block 11, guide runner 11 are arranged in guide chute 10, and can slide under the promotion of end jackscrew 9 along guide chute 10.
Hanger 5 is provided on the litter 4, hanger 5 is rectangular frame structure, and the upper end is provided with cross sectional shape and is
The hook 51 of " n " font, hanger 5 are hooked on litter 4 by hook 51, are provided with side jackscrew 52, side on the hook 51
Jackscrew 52 holds out against litter 4, is provided on the top plate of the hanger 5 and adjusts jackscrew 53, adjusts the top plate spiral shell of jackscrew 53 and hanger 5
Line connection, the lower end for adjusting jackscrew 53 are connected by bearing electromagnetism push rod 6, and 5 lower end of hanger is provided with bottom plate, bottom plate and top plate it
Between be provided with electromagnetism push rod 6, the lower end of the slip shaft 64 of the electromagnetism push rod 6 passes through the bottom plate of hanger 5, under bottom plate 5
Compensating squeeze head 7 is provided on the lower end of the slip shaft 64 of electromagnetism push rod 6, compensating squeeze head 7 is elastic rubber pressure head.Compensating squeeze head
The key 2 of 7 corresponding Devices to test.Guide groove 55, the side wall of the electromagnetism push rod 6 are provided on the side plate of the hanger 5
On be provided with guide pad 61, the guide pad 61 is arranged in guide groove 55.
The electromagnetism push rod 6 includes shell 62, coil 63, slip shaft 64 and reset spring 54, the shell 61
It is inside provided with coil 63, slip shaft 64 is installed in coil 63, is arranged between the upper end end cap and shell 61 of slip shaft 64
There is reset spring 54, the reset spring 54 is sleeved on slip shaft 64, and the slip shaft 64 includes on permanent magnet
Portion 65 and nonmetallic rod-shaped lower part 66, the lower end on permanent magnet top 65 is connect with the upper end of nonmetallic rod-shaped lower part 66, described
Compensating squeeze head 7 is arranged in the lower end of nonmetallic rod-shaped 66 lower part.
When needing to carry out radio frequency electromagnetic field radiation immunity experiment to button Devices to test, Devices to test is placed on
In anechoic chamber, power on and be switched on, then pastes Magnetic adhesive mat 8 in the two sides of the key of Devices to test 2, column 1 is led to
It crosses magnetic attracting power to be pull-in on Magnetic adhesive mat 8, unclamps the end jackscrew 9 on the side wall of the card slot 3 of 1 upper end of column, then will
Litter 4 is placed in card slot 3, and two columns 1 support the two sides of litter 4 respectively, and the guide runner 11 on litter 4 is placed in guiding
In sliding slot 10, then, then hanger 5 is passed through into hook 51 and is hooked on litter 4, pushed hanger 5, hanger 5 is moved to key 2
Side jackscrew 52 is tightened in top later, and hanger 5 and litter 4 are held out against, and then adjusts end jackscrew 9, passes through 9 pairs of cunnings of end jackscrew
The lengthwise position of pole 4 is finely adjusted, and makes the key 2 of the positive device under test of compensating squeeze head 7 on hanger 5.It is pushed up finally by end
Silk 9 clamps litter 4.Adjustment adjusts jackscrew 53, and the height of electromagnetism push rod 6 is adjusted by adjusting jackscrew 53, makes stretching for electromagnetism push rod 6
Height distance between the compensating squeeze head 7 of contracting bar lower end and the key 2 of Devices to test is adapted to.
The utility model can be controlled the switching-on and switching-off state of electromagnetism push rod 6 in actual use and its be held by microcontroller
The continuous time, to 6 power transmission of electromagnetism push rod, the coil 63 of electromagnetism push rod 6 it is electric after generate magnetic field, which is attracted slip shaft 64
Permanent magnet top 65, permanent magnet top 65 move down, so that it is to be measured to press down on the compensating squeeze head 7 of 64 lower end of slip shaft
The key 2 of equipment, to the end of electric power feeding time after, cutting power-cutting switch no longer power transmission, electromagnetism push rod 6 powers off rapidly, coil 63
Magnetic field is lost after power loss, slip shaft 64 resets under the action of reset spring 54 to move up, and compensating squeeze head 7 and key 2 are de-
From the primary pressing of complete paired keys 2 observes Devices to test, Devices to test seen whether normal operation, if Devices to test is normal
Operation, then explanation under high-strength magnetic field radiation event, the key 2 can normal use, if key 2 presses rear Devices to test not
It can operate normally, if the other functions of Devices to test are under normal circumstances, illustrate under high-strength magnetic field radiation event, the key 2 is not
It can normal use.
Threaded hole, the column 1 of the utility model can also be arranged in the utility model on Devices to test in actual use
Lower end connect with Devices to test by bolt；Or the lower end of column 1 is connect by double-sided adhesive with Devices to test；Or column
1 lower end is connected by binding strap and Devices to test binding.Perhaps sticking double faced adhesive tape is either bolted to connect or tie up
Band binding connection or Magnetic adhesive mat 8 can be selected according to scene.
The utility model in actual use, multiple hangers 5 can be arranged on litter 4, be respectively provided with electromagnetism on each hanger 5
Push rod 6 can need to be configured according to the key of Devices to test.Realize to multiple keys while or successively detection.
It is noted that embodiment described above is the affiliated skill to the illustrative and not limiting of technical solutions of the utility model
The equivalent replacement of art field those of ordinary skill or the other modifications made according to the prior art, as long as practical not new beyond this
The thinking and range of type technical solution, should be included within interest field required by the utility model.
Claims (8)
1. a kind of button equipment radio frequency electromagnetic field radiation immunity experiment key detection device, it is characterised in that: including two
A column (1), two columns (1) are distributed in the two sides of the key (2) of Devices to test, and the lower end of column (1) and Devices to test
Connection, the column (1) upper end are provided with card slot (3), are provided with litter (4) in card slot (3), the card on two columns (1)
Slot (3) supports the both ends of litter (4) respectively, is provided with hanger (5) on the litter (4), the hanger is provided on (5)
The lower end of electromagnetism push rod (6), the electromagnetism push rod (6) is connected with compensating squeeze head (7), the corresponding Devices to test of compensating squeeze head (7)
Key (2).
2. button equipment radio frequency electromagnetic field radiation immunity experiment key detection device according to claim 1,
Be characterized in that: the lower end of the column (1) is connect by Magnetic adhesive mat (8) with Devices to test, the Magnetic adhesive mat (8) one
Face is sticky glue, and high strength permanent magnet iron is arranged in another side, and the sticky glue of Magnetic adhesive mat (8) is pasted on Devices to test on one side, institute
The column (1) stated includes nonmetallic cylinder and the link block (101) for being pasted and fixed on cylinder lower end, the link block
(101) it is irony link block (101) or is ferrite block or high strength permanent magnet body block, link block (101) upper end passes through tack adhesive
Patch is fixed on the lower end of cylinder, and the lower end of link block (101) and the one side for being provided with high strength permanent magnet iron of Magnetic adhesive mat (8) are magnetic
Absorption connection.
3. button equipment radio frequency electromagnetic field radiation immunity experiment key detection device according to claim 1,
Be characterized in that: the lower end of the column (1) is connect by bolt with Devices to test；Or the lower end of column (1) is by two-sided
Glue is connect with Devices to test；Or the lower end of column (1) is connected by binding strap and Devices to test binding.
4. button equipment radio frequency electromagnetic field radiation immunity experiment key detection device according to claim 1,
It is characterized in that: being provided with end jackscrew (9) on the side wall of the card slot (3) of described column (1) upper end, end jackscrew (9) is from cunning
The two sides of pole (4) are held out against litter (4), and the bottom surface of the card slot (3) is provided with guide chute (10), the litter (4)
Lower end is provided with guide runner (11), and guide runner (11) setting can push away in guide chute (10) in end jackscrew (9)
It is slided under dynamic along guide chute (10).
5. button equipment radio frequency electromagnetic field radiation immunity experiment key detection device according to claim 1,
Be characterized in that: the hanger (5) is rectangular frame structure, and it is " n " font that the upper end of top plate, which is provided with cross sectional shape,
It links up with (51), hanger (5) is hooked on litter (4) by linking up with (51), side jackscrew (52) are provided on the hook (51),
Side jackscrew (52) is held out against litter (4), be provided on the top plate of the hanger (5) adjust jackscrew (53), adjust jackscrew (53) with
The top plate of hanger (5) is threadedly coupled, and the lower end for adjusting jackscrew (53) is connect by bearing with electromagnetism push rod (6), hanger (5) lower end
It is provided with bottom plate, is provided between bottom plate and top plate electromagnetism push rod (6), the slip shaft (64) of the electromagnetism push rod (6)
Lower end passes through the bottom plate of hanger (5), is provided with compensating squeeze head on the lower end of the slip shaft (64) of the electromagnetism push rod (6) under bottom plate
(7).
6. button equipment radio frequency electromagnetic field radiation immunity experiment key detection device according to claim 5,
It is characterized in that: being provided with guide groove (55) on the side plate of the hanger (5), is arranged on the side wall of the electromagnetism push rod (6)
Have guide pad (61), the guide pad (61) setting is in guide groove (55).
7. button equipment radio frequency electromagnetic field radiation immunity experiment key detection device according to claim 1,
Be characterized in that: the electromagnetism push rod (6) includes shell (62), coil (63), slip shaft (64) and reset spring (54), institute
It is provided with coil (63) in the shell (62) stated, slip shaft (64) is installed in coil (63), the upper end of slip shaft (64)
It being provided between end cap and shell (62) reset spring (54), the reset spring (54) is sleeved on slip shaft (64),
The slip shaft (64) includes permanent magnet top (65) and nonmetallic rod-shaped lower part (66), the lower end of permanent magnet top (65)
It is connect with the upper end of nonmetallic rod-shaped lower part (66), compensating squeeze head (7) are arranged in the lower end of the nonmetallic rod-shaped lower part (66).
8. button equipment radio frequency electromagnetic field radiation immunity experiment key detection device according to claim 5,
Be characterized in that: the compensating squeeze head (7) is elastic rubber pressure of the setting in the lower end of the slip shaft (64) of electromagnetism push rod (6)
Head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820885149.6U CN208224399U (en) | 2018-06-08 | 2018-06-08 | Button equipment radio frequency electromagnetic field radiation immunity experiment key detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820885149.6U CN208224399U (en) | 2018-06-08 | 2018-06-08 | Button equipment radio frequency electromagnetic field radiation immunity experiment key detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208224399U true CN208224399U (en) | 2018-12-11 |
Family
ID=64505426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820885149.6U Active CN208224399U (en) | 2018-06-08 | 2018-06-08 | Button equipment radio frequency electromagnetic field radiation immunity experiment key detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208224399U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108508311A (en) * | 2018-06-08 | 2018-09-07 | 河南省计量科学研究院 | Button equipment radio frequency electromagnetic field radiation immunity experiment key detection device |
| CN108693425A (en) * | 2018-06-08 | 2018-10-23 | 河南省计量科学研究院 | Fuel charger radio frequency electromagnetic field radiation immunity experiment keyboard detecting device |
-
2018
- 2018-06-08 CN CN201820885149.6U patent/CN208224399U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108508311A (en) * | 2018-06-08 | 2018-09-07 | 河南省计量科学研究院 | Button equipment radio frequency electromagnetic field radiation immunity experiment key detection device |
| CN108693425A (en) * | 2018-06-08 | 2018-10-23 | 河南省计量科学研究院 | Fuel charger radio frequency electromagnetic field radiation immunity experiment keyboard detecting device |
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