CN108693425A - Fuel charger radio frequency electromagnetic field radiation immunity experiment keyboard detecting device - Google Patents
Fuel charger radio frequency electromagnetic field radiation immunity experiment keyboard detecting device Download PDFInfo
- Publication number
- CN108693425A CN108693425A CN201810587132.7A CN201810587132A CN108693425A CN 108693425 A CN108693425 A CN 108693425A CN 201810587132 A CN201810587132 A CN 201810587132A CN 108693425 A CN108693425 A CN 108693425A
- Authority
- CN
- China
- Prior art keywords
- fuel charger
- keyboard
- holder
- push rod
- electromagnetic field
- 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.)
- Pending
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- 239000000446 fuel Substances 0.000 title claims abstract description 70
- 230000005855 radiation Effects 0.000 title claims abstract description 32
- 230000005672 electromagnetic field Effects 0.000 title claims abstract description 31
- 230000036039 immunity Effects 0.000 title claims abstract description 29
- 238000002474 experimental method Methods 0.000 title claims abstract description 28
- 239000000853 adhesive Substances 0.000 claims description 22
- 230000001070 adhesive effect Effects 0.000 claims description 22
- 230000005540 biological transmission Effects 0.000 claims description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- 239000003292 glue Substances 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 6
- 238000010521 absorption reaction Methods 0.000 claims description 5
- 239000002390 adhesive tape Substances 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 4
- 229910000859 α-Fe Inorganic materials 0.000 claims description 3
- 230000005307 ferromagnetism Effects 0.000 claims description 2
- 238000001179 sorption measurement Methods 0.000 claims description 2
- 229910052755 nonmetal Inorganic materials 0.000 claims 1
- 230000006378 damage Effects 0.000 abstract description 4
- 230000005670 electromagnetic radiation Effects 0.000 abstract description 4
- 208000027418 Wounds and injury Diseases 0.000 abstract description 3
- 208000014674 injury Diseases 0.000 abstract description 3
- 230000007547 defect Effects 0.000 abstract description 2
- 238000006073 displacement reaction Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000007689 inspection Methods 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
- 238000006386 neutralization reaction Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/001—Measuring interference from external sources to, or emission from, the device under test, e.g. EMC, EMI, EMP or ESD testing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
- G01R31/3277—Testing of circuit interrupters, switches or circuit-breakers of low voltage devices, e.g. domestic or industrial devices, such as motor protections, relays, rotation switches
Abstract
The present invention relates to a kind of fuel charger radio frequency electromagnetic field radiation immunity experiment keyboard detecting devices, holder is arranged in fuel charger keyboard surrounding, cross track is provided on holder, link block is provided on cross track, traverse gear is drivingly connected block, and transversely track moves, cross track both ends are both provided with movable block, two movable blocks are connect with two threads of lead screw respectively, two leading screws are arranged on holder, and two leading screws are distributed in the left and right sides of holder, longitudinal driving device drives leading screw rotation, the lifting of link block lower end is connected with hanger, electromagnetism push rod is provided on hanger, the lower end of electromagnetism push rod is connected with compensating squeeze head.Longitudinal driving device, traverse gear and the electromagnetism push rod of the present invention realize the pressing to keyboard, without being manually entered high intensity electromagnetic field radiation environment, injury of the electromagnetic radiation to human body is reduced, the undetectable defect of fuel charger keyboard in current fuel charger radio frequency electromagnetic field radiation immunity experiment is overcome.
Description
Technical field:
The invention belongs to fuel charger radioresistance detection technique fields, and in particular to a kind of fuel charger radio frequency electromagnetic field radiation immunity
Experiment keyboard detecting device.
Background technology:
Radio frequency electromagnetic field radiation immunity experiment is tested electrical, electronic equipment, and observation test item is in radio frequency electromagnetic field
Whether the function under radiation environment is normal.
For fuel charger"JJF1521-2015 fuel charger type evaluation outlines"In, 10.9.2 sections
Clearly stipulate that fuel charger must carry out electromagnetic environment experiment, electromagnetic environment experiment includes esd immunity, radio frequency electrical
Magnetic field radiation immunity to interference, electrical fast transient (eft) immunity to interference, surge(Impact)Immunity to interference, voltage dip, short interruptions and electricity
Buckling immunity experiment, after the completion of above-mentioned experiment process neutralization test, the function of fuel charger should normally, do not allow it is following with
Working normally related function reduces:(1)Device fault or unexpected action;(2)Change or the loss of data are stored;
(3)The reset of factory defaults;(4)The change of operational mode;(5)The confusion or mistake that data are shown;(6)Keyboard operation is lost
Effect.
But it is by fuel charger at present when carrying out radio frequency electromagnetic field radiation immunity experiment to fuel charger
It is placed in radiation immunity electromagnetic compatibility laboratory and carries out, 80MHz ~ 2000MHz or more frequencies can be emitted by having in the laboratory
Radio-frequency radiation source within the scope of rate, the electromagnetic field which generates is larger to human injury, therefore, usually to electrical, electric
When sub- equipment carries out radio frequency electromagnetic field radiation immunity experiment, personnel are forbidden to enter in laboratory, still, for fuel charger
For, in radio frequency electromagnetic field radiation, whether the keyboard of fuel charger, which fails, just can determine that by operation keyboard,
During experiment, personnel are prohibited from entering laboratory, just can not carry out test operation to the keyboard of fuel charger, therefore, although
"JJF1521-2015 fuel charger type evaluation outlines"Whether be distinctly claimed will check fuel charger keyboard operation in testing
Failure, still, since the high intensity electromagnetic field in laboratory radiates, tester cannot be introduced into laboratory, can not be to fuel charger
Keyboard checked.
Invention content:
In conclusion in order to overcome the shortcomings of prior art problem, the present invention provides a kind of fuel charger radio frequency electromagnetic field radiations
Immunity experiment keyboard detecting device, it is the keyboard surrounding setting holder in fuel charger, suspends setting in midair by press fitting on holder
It sets, which can adjust position along holder, while can realize and press to keyboard, to be penetrated to fuel charger
When frequency electromagnetic field radiation immunity experiment, the pressing operation to fuel charger keyboard is realized, in high intensity electromagnetic field radiation environment
Under, without human intervention, fuel charger keyboard is checked.
In order to solve the above technical problems, the technical proposal of the invention is realized in this way:
A kind of fuel charger radio frequency electromagnetic field radiation immunity experiment keyboard detecting device, wherein:Including holder, hanger, electromagnetism
Push rod, compensating squeeze head, longitudinal driving device, link block and cross track, the holder are arranged in fuel charger keyboard surrounding, institute
It is provided with cross track on the holder stated, link block is provided on the cross track, traverse gear is drivingly connected block
Transversely track moves, and the cross track both ends are both provided with movable block, two movable blocks respectively with two threads of lead screw
Connection, two leading screws are arranged on holder, and two leading screws are distributed in the left and right sides of holder, the longitudinal driving device
Leading screw rotation is driven, link block lower end lifting is connected with hanger, electromagnetism push rod is provided on the hanger, described
The lower end of electromagnetism push rod is connected with compensating squeeze head.
Technical scheme of the present invention may also is that realization, the longitudinal driving device include motor, driving tooth
Wheel, driven gear, Left Drive gear, right transmission gear and flat-toothed belt, the motor are arranged on holder, the electricity
Driving gear is connected on the output shaft of machine, driving gear is intermeshed with driven gear, and the driven gear is arranged at it
In on a leading screw, Left Drive gear is additionally provided on the leading screw, right transmission is provided on another leading screw in two leading screws
Gear, Left Drive gear are connect with right transmission gear by flat-toothed belt.
Technical scheme of the present invention may also is that realization, and the traverse gear is electric pushrod, described
Electric pushrod be arranged on movable block, the front end of electric pushrod is connect with link block, the cross track be cylindrical light
Bar, the link block are installed on cross track.
Technical scheme of the present invention may also is that realization, the hanger are rectangular frame structure, the upper end
It is connect with link block lower end, jackscrew is provided on top plate, jackscrew is threadedly coupled with the top plate of hanger, and the lower end of jackscrew passes through axis
It holds and is connect with electromagnetism push rod, hanger lower end is provided with bottom plate, and electromagnetism push rod is provided between top plate and bottom plate, and the electromagnetism pushes away
The lower end of the slip shaft of bar passes through the bottom plate of hanger, the lower end of the slip shaft of the electromagnetism push rod under bottom plate that flexible pressure is arranged
Head.
Technical scheme of the present invention may also is that realization, and guide groove, institute are provided on the side plate of the hanger
Guide pad is provided on the side wall for the electromagnetism push rod stated, the guide pad is arranged in guide groove.
Technical scheme of the present invention may also is that realization, the holder are erected at fuel charger by Magnetic adhesive mat
Keyboard surrounding, the Magnetic adhesive mat are on one side sticky glue, another side setting high strength permanent magnet iron, the one of the sticky glue of Magnetic adhesive mat
Face is pasted onto on fuel charger keyboard, and for the Magnetic adhesive mat by high strength permanent magnet ferromagnetism adsorption support, the holder is non-
Metallic support, the lower end of the holder are provided with connection sheet, the connection sheet be irony connection sheet or be ferrite sheet or
For high strength permanent magnet body piece, the upper end of the connection sheet is fixed on the lower end of holder, the connection sheet by tack adhesive patch
Lower end and the face magnetic absorption for being provided with high strength permanent magnet iron of Magnetic adhesive mat connect.
Technical scheme of the present invention may also is that realization, the lower end of the holder pass through bolt and oiling switch
Disk connects;Or the lower end of holder is connect by double faced adhesive tape with fuel charger keyboard;Or the lower end of holder by binding strap and adds
The binding connection of oil machine keyboard.
Technical scheme of the present invention may also is that realization, the compensating squeeze head are that stretching in electromagnetism push rod is arranged
The elastic rubber pressure head of the lower end of contracting mandrel.
Technical scheme of the present invention may also is that realization, the electromagnetism push rod include shell, coil, telescopic core
Axis and resetting spring are provided with coil in the shell, and slip shaft is installed in coil, the upper end end cap of slip shaft with
Resetting spring is provided between shell, the resetting spring is sleeved on slip shaft, and the slip shaft includes permanent magnetism
Body top and nonmetallic rod-shaped lower part, the lower end on permanent magnet top are connect with the upper end of nonmetallic rod-shaped lower part, the non-gold
Belong to the lower end setting compensating squeeze head of rod-shaped lower part.
Beneficial effects of the present invention are:
1, of the invention is to be arranged holder in the keyboard surrounding of fuel charger, suspention setting press device on holder, the press device
Position can be adjusted along holder, while keyboard can be realized and be pressed, to carry out radio frequency electromagnetic field radiation to fuel charger
When immunity experiment, the pressing operation to fuel charger keyboard is realized, under high intensity electromagnetic field radiation environment, without artificial behaviour
Make, fuel charger keyboard is checked.
2, longitudinal driving device and traverse gear of the invention can drive link block to move, and realize to link block position
The adjustment set when in use can be to the fuel oil refueling of multiple and different positions to adjust the position of electromagnetism push rod and compensating squeeze head
The pressing of machine keyboard realizes that fuel charger button checks comprehensively, moreover, the longitudinal driving device of the present invention is passed using leading screw
Dynamic, traverse gear is driven using electric pushrod, high transmission accuracy, it can be achieved that slight distance adjustment, facilitate the present invention to fit
Answer the adjustment of small distance displacement between each button of keyboard.
3, the present invention drives compensating squeeze head to press fuel charger keyboard using electromagnetism push rod, compensating squeeze head and key
Disk flexible contact, simulation human finger press keyboard, rigidity are avoided to press the damage to keyboard, and the present invention can be adjusted by jackscrew
The height of electromagnetism push rod, so as to adjust the distance between compensating squeeze head and fuel charger keyboard, guide groove and guide pad cooperate,
Realize the guiding when adjustment of electromagnetism push rod height.
4, the configuration of the present invention is simple, easy to use, operation are easy, longitudinal driving device of the invention, traverse gear
And electromagnetism push rod can be connect with PLC automatic control system, control that position is mobile and pressing by control system, without manually into
Enter high intensity electromagnetic field radiation environment, reduces injury of the electromagnetic radiation to human body, overcome current fuel charger radio frequency electromagnetic field radiation
The undetectable defect of fuel charger keyboard in immunity experiment, the accuracy of guarantee test result.
Description of the drawings:
Fig. 1 is the structural diagram of the present invention
Holder 1;Hanger 2;Electromagnetism push rod 3;Compensating squeeze head 4;Link block 5;Cross track 6;Movable block 7;Leading screw 8;Electric pushrod
15;Resetting spring 16;Guide groove 17;Guide pad 18;Magnetic adhesive mat 19;Jackscrew 24;Connection sheet 101.
Fig. 2 is the overlooking structure diagram of Fig. 1 of the present invention
Holder 1;Hanger 2;Cross track 6;Movable block 7;Leading screw 8;Motor 9;Driving gear 10;Driven gear 11;Left Drive tooth
Wheel 12;Right transmission gear 13;Flat-toothed belt 14;Electric pushrod 15;Magnetic adhesive mat 19.
Fig. 3 is the control principle drawing of the present invention
Electromagnetism push rod 3;Motor 9;Electric pushrod 15;Power supply 20;Controller 21;Displacement sensor 22;The time relay 23.
Fig. 4 is the structural schematic diagram of the electromagnetism push rod of the present invention
Hanger 2;Jackscrew 24;Shell 31;Coil 32;Slip shaft 33;Resetting spring 16.
Specific implementation mode
The present invention is described in further detail below in conjunction with the accompanying drawings.
As shown in Figure 1, Figure 2, Figure 4 shows, a kind of fuel charger radio frequency electromagnetic field radiation immunity experiment keyboard detecting device, packet
Include holder 1, hanger 2, electromagnetism push rod 3, compensating squeeze head 4, longitudinal driving device, link block 5, cross track 6, the holder 1
It is erected at fuel charger keyboard surrounding by Magnetic adhesive mat 19,19 one side of Magnetic adhesive mat is sticky glue, and another side setting is high
Strong permanent magnetic iron, the sticky glue of Magnetic adhesive mat 19 are pasted onto on one side on fuel charger keyboard, and the Magnetic adhesive mat 19 is by high-strength
The lower end of permanent magnet magnetic absorption holder 1, the holder 1 is provided with connection sheet 101, and the connection sheet 101 connects for irony
Contact pin is ferrite sheet or is high strength permanent magnet body piece, and the upper end of the connection sheet 101 is fixed on branch by tack adhesive patch
The lower end of frame 1, the lower end of the connection sheet 101 and the face magnetic absorption for being provided with high strength permanent magnet iron of Magnetic adhesive mat connect
It connects.
It is provided with cross track 6 on the holder 1, cross track 6 is cylindrical polished rod, on the cross track 6
It is provided with link block 5, traverse gear is electric pushrod 15, and the electric pushrod 15 is arranged on movable block 7, electronic to push away
The front end of bar 15 is connect with link block 5, and link block 5 is installed on cross track 6, and traverse gear is drivingly connected block 5 along cross
Moved to track 6,6 both ends of cross track are both provided with movable block 7, two movable blocks 7 respectively with two 8 screw threads of leading screw
Connection, two leading screws 8 are arranged on holder 1, and two leading screws 8 are distributed in the left and right sides of holder 1, longitudinal transmission
Device drives leading screw 8 to rotate, and longitudinal driving device includes motor 9, driving gear 10, driven gear 11, Left Drive gear 12, the right side
Transmission gear 13 and flat-toothed belt 14, the motor 9 are arranged on holder 1, are connected on the output shaft of the motor 9
Driving gear 10, driving gear 10 are intermeshed with driven gear 11, and the driven gear 11 is disposed therein a leading screw 8
On, it is additionally provided with Left Drive gear 12 on the leading screw 8, right transmission gear is provided on another leading screw 8 in two leading screws 8
13, Left Drive gear 12 is connect with right transmission gear 13 by flat-toothed belt 14.
The lifting of 5 lower end of link block is connected with hanger 2, and hanger 2 is rectangular frame structure, the upper end and 5 lower end of link block
Connection is provided with jackscrew 24 on top plate, and jackscrew 24 is threadedly coupled with the top plate of hanger 2, the lower end of jackscrew 24 by bearing and
Electromagnetism push rod 3 connects, and 2 lower end of hanger is provided with bottom plate, electromagnetism push rod 3 is provided between top plate and bottom plate, and the electromagnetism pushes away
The lower end of the slip shaft of bar 3 passes through the bottom plate of hanger 2, the lower end of the slip shaft of the electromagnetism push rod 3 under bottom plate to be provided with bullet
Property pressure head 4.Compensating squeeze head 4 is the elastic rubber pressure head being arranged in 3 lower end of electromagnetism push rod.Guiding is provided on the side plate of hanger 2
Slot 17, guide pad 18 is provided on the side wall of the electromagnetism push rod 3, and the guide pad 18 is arranged in guide groove 17.
The electromagnetism push rod 3 includes shell 31, coil 32, slip shaft 33 and resetting spring 16, the shell 31
It is inside provided with coil 32, slip shaft 33 is installed in coil 32, is arranged between the upper end end cap and shell 31 of slip shaft 33
There are resetting spring 16, the resetting spring 16 to be sleeved on slip shaft 33, the slip shaft 33 includes on permanent magnet
Portion 34 and nonmetallic rod-shaped lower part 35, the lower end on permanent magnet top 34 is connect with the upper end of nonmetallic rod-shaped lower part 35, described
Compensating squeeze head 7 is arranged in the lower end of nonmetallic rod-shaped lower part 35.
In use, Magnetic adhesive mat 19 to be first pasted onto to the quadrangle of fuel charger keyboard, then by 1 magnetic absorption of holder in magnetism
On patch 19, jackscrew 24 is first adjusted, the height of electromagnetism push rod 3 is adjusted by jackscrew 24, is made under the slip shaft 33 of electromagnetism push rod 3
The compensating squeeze head 4 at end is adapted to the height distance between fuel charger keyboard.
Then, start motor 9, motor 9 drives leading screw 8 to rotate by driving gear 10, to make 12 turns of Left Drive gear
Dynamic, Left Drive gear 12 drives right transmission gear 13 to rotate by flat-toothed belt 14, so that another leading screw 8 is rotated, 8 liang of leading screw
End is connect with 1 bearing of holder, then the movable block 7 being threadedly coupled with leading screw 8 is moved along leading screw 8, to make cross track 6 along leading screw
8 movements, adjust the lengthwise position of link block 5.After lengthwise position adjusts, start electric pushrod 15, electric pushrod 15 pushes and pulls
Link block 5, making link block 5, transversely track 6 moves, and realizes to the adjustment of the lateral position of link block 5, so far completes link block
The adjustment of 5 positions makes the surface of some button of 4 face fuel charger keyboard of compensating squeeze head.
To 3 power transmission of electromagnetism push rod, electromagnetism push rod 3 it is electric after its coil 32 generate magnetic field, adsorbed under magnetic fields flexible
The permanent magnet top 34 of mandrel 33 moves down, and the slip shaft 33 of electromagnetism push rod 3 extends downwardly, the bullet of 33 lower end of slip shaft
Property pressure head 4 press down on fuel charger keyboard button, later, electromagnetism push rod 3 rapidly power off, 32 dead electricity of coil of electromagnetism push rod 3,
Magnetic field disappears, and slip shaft 33 bounces back, and completes the primary pressing to fuel charger keyboard, observes fuel charger display screen, sees if there is
Mutually should the input of button show, if any then illustrating that the button of the fuel charger keyboard can be just in high strong electromagnetic radiation
It is often used, it is otherwise undesirable.So far, in the case of completing high strong electromagnetic radiation, the inspection of a button of fuel charger keyboard,
Above-mentioned action is repeated, 4 position of mobile compensating squeeze head successively checks all buttons of fuel charger keyboard.
As shown in figure 3, switch board can be arranged in the present invention, control system is set in switch board, the control system includes
Power supply 20, controller 21, displacement sensor 22, the time relay 23, power supply 20 connect motor 9, electric pushrod 15 by electric wire
And electromagnetism push rod 3, electric energy is provided for motor 9, electric pushrod 15 and electromagnetism push rod 3, displacement sensor 22 is arranged in compensating squeeze head 4
On, the location information of compensating squeeze head 4 is passed into controller 21, controller 21 connects motor 9, displacement sensor by control line
22, electric pushrod 15 and electromagnetism push rod 3, controller 21 control motor 9 and electric pushrod 15 according to the location information of compensating squeeze head 4
Keying, the lengthwise position and lateral position of compensating squeeze head 4 are adjusted, the time relay 23 pass through control line connection control
Device 21, controller 21 control the time interval of the power on/off of electromagnetism push rod 3 by the time relay 23.
The present invention can also be threaded hole, the lower end of holder 1 of the invention on fuel charger keyboard in actual use
It is connect with fuel charger keyboard by bolt;Or the lower end of holder 1 is connect by double faced adhesive tape with fuel charger keyboard;Or holder 1
Lower end pass through the binding of binding strap and fuel charger keyboard and connect.Either sticking double faced adhesive tape is either bolted to connect or tie up
Band binding connection or Magnetic adhesive mat 19 can be selected according to scene.
It is noted that embodiment described above is to the illustrative and not limiting of technical solution of the present invention, affiliated technology neck
The equivalent replacement of domain those of ordinary skill or the other modifications made according to the prior art, as long as not exceeding the technology of the present invention side
The thinking and range of case, should be included within interest field of the presently claimed invention.
Claims (9)
1. a kind of fuel charger radio frequency electromagnetic field radiation immunity experiment keyboard detecting device, it is characterised in that:Including holder
(1), hanger(2), electromagnetism push rod(3), compensating squeeze head(4), longitudinal driving device, link block(5)And cross track(6), described
Holder(1)It is arranged in fuel charger keyboard surrounding, the holder(1)On be provided with cross track(6), the cross track
(6)On be provided with link block(5), traverse gear drive connection block(5)Transversely track(6)Mobile, described transverse rails
Road(6)Both ends are both provided with movable block(7), two movable blocks(7)Respectively with two leading screws(8)It is threadedly coupled, two leading screws(8)
It is arranged at holder(1)On, and two leading screws(8)It is distributed in holder(1)The left and right sides, the longitudinal driving device driving
Leading screw(8)Rotation, the link block(5)Lower end lifting is connected with hanger(2), the hanger(2)On be provided with electromagnetism and push away
Bar(3), the electromagnetism push rod(3)Lower end be connected with compensating squeeze head(4).
2. fuel charger radio frequency electromagnetic field radiation immunity experiment keyboard detecting device according to claim 1, feature
It is:The longitudinal driving device includes motor(9), driving gear(10), driven gear(11), Left Drive gear(12),
Right transmission gear(13)And flat-toothed belt(14), the motor(9)It is arranged in holder(1)On, the motor(9)It is defeated
Driving gear is connected on shaft(10), driving gear(10)With driven gear(11)Intermeshing, the driven gear
(11)It is disposed therein a leading screw(8)On, the leading screw(8)On be additionally provided with Left Drive gear(12), two leading screws(8)In
Another leading screw(8)On be provided with right transmission gear(13), Left Drive gear(12)With right transmission gear(13)It is passed by tooth form
Dynamic band(14)Connection.
3. fuel charger radio frequency electromagnetic field radiation immunity experiment keyboard detecting device according to claim 1, feature
It is:The traverse gear is electric pushrod(15), the electric pushrod(15)It is arranged in movable block(7)On, electricity
Dynamic push rod(15)Front end and link block(5)Connection, the cross track(6)For cylindrical polished rod, the link block(5)
It is installed on cross track(6)On.
4. fuel charger radio frequency electromagnetic field radiation immunity experiment keyboard detecting device according to claim 1, feature
It is:The hanger(2)For rectangular frame structure, the upper end and link block(5)Lower end connects, and top is provided on top plate
Silk(24), jackscrew(24)With hanger(2)Top plate be threadedly coupled, jackscrew(24)Lower end pass through bearing and electromagnetism push rod(3)Even
It connects, hanger(2)Lower end is provided with bottom plate, and electromagnetism push rod is provided between top plate and bottom plate(3), the electromagnetism push rod(3)'s
Slip shaft(33)Lower end pass through hanger(2)Bottom plate, the electromagnetism push rod under bottom plate(3)Slip shaft(33)Lower end set
It is equipped with compensating squeeze head(4).
5. fuel charger radio frequency electromagnetic field radiation immunity experiment keyboard detecting device according to claim 4, feature
It is:The hanger(2)Side plate on be provided with guide groove(17), the electromagnetism push rod(3)Side wall on be provided with and lead
To block(18), the guide pad(18)It is arranged in guide groove(17)It is interior.
6. fuel charger radio frequency electromagnetic field radiation immunity experiment keyboard detecting device according to claim 1, feature
It is:The holder(1)Pass through Magnetic adhesive mat(19)It is erected at fuel charger keyboard surrounding, the Magnetic adhesive mat(19)On one side
For sticky glue, high strength permanent magnet iron, Magnetic adhesive mat is arranged in another side(19)Sticky glue be pasted onto on one side on fuel charger keyboard, institute
The Magnetic adhesive mat stated(19)Pass through high strength permanent magnet ferromagnetism adsorption support(1), the holder(1)It is described for non-metal frame
Holder(1)Lower end be provided with connection sheet(101), the connection sheet(101)For irony connection sheet or be ferrite sheet or
For high strength permanent magnet body piece, the connection sheet(101)Upper end by tack adhesive patch be fixed on holder(1)Lower end, it is described
Connection sheet(101)Lower end and Magnetic adhesive mat(19)The face magnetic absorption connection for being provided with high strength permanent magnet iron.
7. fuel charger radio frequency electromagnetic field radiation immunity experiment keyboard detecting device according to claim 1, feature
It is:The holder(1)Lower end connect with fuel charger keyboard by bolt;Or holder(1)Lower end pass through double faced adhesive tape
It is connect with fuel charger keyboard;Or holder(1)Lower end pass through the binding of binding strap and fuel charger keyboard and connect.
8. fuel charger radio frequency electromagnetic field radiation immunity experiment keyboard detecting device according to claim 1, feature
It is:The compensating squeeze head(4)To be arranged in electromagnetism push rod(3)Slip shaft 33 lower end elastic rubber pressure head.
9. fuel charger radio frequency electromagnetic field radiation immunity experiment keyboard detecting device according to claim 4, feature
It is:The electromagnetism push rod(3)Including shell(31), coil(32), slip shaft(33)And resetting spring(16), described
Shell(31)Inside it is provided with coil(32), slip shaft(33)It is installed on coil(32)It is interior, slip shaft(33)Upper end end cap
With shell(31)Between be provided with resetting spring(16), the resetting spring(16)It is sleeved on slip shaft(33)On, it is described
Slip shaft(33)Including permanent magnet top(34)And nonmetallic rod-shaped lower part(35), permanent magnet top(34)Lower end with it is non-
Metallic rod shaped lower part(35)Upper end connection, the nonmetallic rod-shaped lower part(35)Lower end be arranged compensating squeeze head(4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810587132.7A CN108693425A (en) | 2018-06-08 | 2018-06-08 | Fuel charger radio frequency electromagnetic field radiation immunity experiment keyboard detecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810587132.7A CN108693425A (en) | 2018-06-08 | 2018-06-08 | Fuel charger radio frequency electromagnetic field radiation immunity experiment keyboard detecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108693425A true CN108693425A (en) | 2018-10-23 |
Family
ID=63849625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810587132.7A Pending CN108693425A (en) | 2018-06-08 | 2018-06-08 | Fuel charger radio frequency electromagnetic field radiation immunity experiment keyboard detecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108693425A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114325191A (en) * | 2021-12-30 | 2022-04-12 | 江苏商贸职业学院 | Electrical interface detection and maintenance device and detection and maintenance method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006220511A (en) * | 2005-02-09 | 2006-08-24 | Ntt Docomo Inc | Immunity test apparatus against radiation of electromagnetic field |
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| CN114325191A (en) * | 2021-12-30 | 2022-04-12 | 江苏商贸职业学院 | Electrical interface detection and maintenance device and detection and maintenance method thereof |
| CN114325191B (en) * | 2021-12-30 | 2023-07-14 | 江苏商贸职业学院 | Electrical interface detection and maintenance device and detection and maintenance method thereof |
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