CN109946527A - A kind of low frequency electromagnetic screening arrangement of new-energy automobile electromagnetic compatibility testing - Google Patents
A kind of low frequency electromagnetic screening arrangement of new-energy automobile electromagnetic compatibility testing Download PDFInfo
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- CN109946527A CN109946527A CN201910295673.7A CN201910295673A CN109946527A CN 109946527 A CN109946527 A CN 109946527A CN 201910295673 A CN201910295673 A CN 201910295673A CN 109946527 A CN109946527 A CN 109946527A
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 30
- 229910052742 iron Inorganic materials 0.000 claims description 15
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 12
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- KLARSDUHONHPRF-UHFFFAOYSA-N [Li].[Mn] Chemical compound [Li].[Mn] KLARSDUHONHPRF-UHFFFAOYSA-N 0.000 abstract description 13
- 229910001437 manganese ion Inorganic materials 0.000 abstract description 12
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- WAEMQWOKJMHJLA-UHFFFAOYSA-N Manganese(2+) Chemical compound [Mn+2] WAEMQWOKJMHJLA-UHFFFAOYSA-N 0.000 abstract description 8
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Abstract
The invention discloses a kind of low frequency electromagnetic screening arrangements of new-energy automobile electromagnetic compatibility testing, its structure includes: flight, electromagnetism slewing equipment, start and stop key slot, tag board, needle tubing slot, terminal groove seat, collect torch, latch screw cylinder, the present invention, which is realized, to be matched with electromagnetic shielding frame with coil axis rotary column, structure is rotated left and right by setting up the C word magnet frame that a coil column is winding stack main shaft in the distribution environment of lithium-manganese cell, form the rotary armoured magnetic field of electromagnetism, and the transmitting of spheroid shape motion structure cooperation cutting magnetic induction line is compatible, also the arc in collocation the two poles of the earth capacitor plate magnetic field aligns magnetic power effect, facilitate heat dissipation Wind power propelling effect having radiating fin movement again by arc extinguishing shelf revolution also amplification armoured magnetic field, prevent manganese ion from dissolving out, the working efficiency of effective guarantee lithium-manganese cell, it will Disturbed condition probability reduces, and keeps the low frequency electromagnetic shield effectiveness of new-energy automobile electromagnetic compatibility testing splendid, and detection numerical value is accurate.
Description
Technical field
The present invention is a kind of low frequency electromagnetic screening arrangement of new-energy automobile electromagnetic compatibility testing, belongs to new-energy automobile
Field.
Background technique
New-energy automobile is that the house vehicles of low-carbon environment-friendly are converted to ring instead of the gasoline consumption of transmission automobile
Energy-efficient lithium-manganese cell or other chemical element electricity consumption batteries are protected, power supply cruising ability, and save the cost, and running car are improved
When, the magnetic field compatibility flexible regulated and controled between electromagnetism, convenient and efficient, the common disadvantage to be optimized of technology has at present:
The lithium-manganese cell of new-energy automobile is at low cost and safety is preferable, but cycle life is not good enough, and in new-energy automobile
Continued power is continued a journey under heat condition, and the battery cycle life of hot environment is worse, it may appear that the phenomenon that manganese ion dissolves out, high temperature
It causes self discharge serious, so that energy storage characteristic is poor, causes region induction to be easy to happen the magnetic induction line deformation of armoured magnetic field, cause simultaneous
The phenomenon that capacitive rapid drawdown, this is larger for the ferromagnetic material magnetic hystersis loss for shielding framework, when low frequency electromagnetic being made to shield work, except screen
The electromagnetic field magnetostatic outer, simultaneous shielding is also needed to change is covered, leads to the disorder of low frequency conductivity, influences new-energy automobile Electro Magnetic Compatibility
The numerical bias of test.
Summary of the invention
In view of the deficienciess of the prior art, it is an object of the present invention to provide a kind of new-energy automobile electromagnetic compatibility testings
Low frequency electromagnetic screening arrangement, the lithium-manganese cell to solve new-energy automobile is at low cost and safety is preferable, but cycle life is not good enough,
And continue a journey under heat condition in new-energy automobile continued power, the battery cycle life of hot environment is worse, it may appear that manganese ion
The phenomenon that dissolution, high temperature causes self discharge serious, so that energy storage characteristic is poor, region induction is caused to be easy to happen the magnetic of armoured magnetic field
The phenomenon that feeling line deformation, causing compatible rapid drawdown, this is larger for the ferromagnetic material magnetic hystersis loss for shielding framework, makes low frequency electromagnetic
When shielding work, in addition to shielding is magnetostatic, the electromagnetic field of variation is also needed and shielded, leads to the disorder of low frequency conductivity, influences new energy
The problem of numerical bias of source automotive EMC test.
To achieve the goals above, the present invention is to realize by the following technical solutions: a kind of new-energy automobile electromagnetism
The low frequency electromagnetic screening arrangement of compatibility test, structure include: flight, electromagnetism slewing equipment, start and stop key slot, label
Plate, needle tubing slot, terminal groove seat, collection torch, lock screw cylinder, the needle tubing slot set there are two and insert and return embedded in electromagnetism
The forward right side of rotary device, the tag board level are tightly attached on the top surface of electromagnetism slewing equipment, the flight set there are two with
The left and right sides that is upper and being respectively welded at electromagnetism slewing equipment, the start and stop key slot pass through spring and electromagnetism slewing equipment machine
Tool connects, and the terminal groove seat, collection torch, lock screw cylinder three's horizontal Tile are in alignment and insert embedded in electromagnetism revolution
The front side of device, the electromagnetism slewing equipment are equipped with top race, electromagnetic shielding frame, coil axis rotary column, aluminium arc plate, upper cover, electricity
Hold pole plate, terminal PC plate, kerve seat, the electromagnetic shielding frame and coil axis rotary column are mechanically connected, the top race and electromagnetic screen
Frame is covered using interference fit, and the upper cover is snapped together with kerve seat, and the capacitor plate is electrically connected with terminal PC plate, institute
State capacitor plate and the left and right sides that terminal PC plate is equipped with two and is installed in inside kerve seat respectively, the aluminium arc plate with
Capacitor plate is close together and in the same vertical plane, and the tag board level is tightly attached on the top surface of upper cover, institute
Terminal groove seat is stated to be electrically connected by conducting wire with terminal PC plate.
To optimize above-mentioned technical proposal, the measure further taken are as follows:
As a further improvement of the present invention, the electromagnetic shielding frame is by upper frame ball, C word magnet frame, radiating fin, air bag
Pad, rotating plate club, square magnetic hook plate, arc extinguishing shelf, hook beautiful magnetic sheet composition, and the upper frame ball is snapped together with C word magnet frame,
The C word magnet frame and radiating fin are integrally welded, and the air bag cushion hooks plate mechanical connection by rotating plate club and square magnetic,
The arc extinguishing shelf sets there are two and hooks the beautiful magnetic sheet of plate, hook with square magnetic respectively and is gap-matched, the air bag cushion and C word
Magnet frame is close together.
As a further improvement of the present invention, the upper frame ball is made of arc slot spherical shell, the double brush holders of triangle, magnet block, institute
The right side that magnet block is tightly attached to inside arc slot spherical shell is stated, the double brush holders of the triangle and magnet block are using interference fit.
As a further improvement of the present invention, the radiating fin is made of corrugated gasket, thin fin block, groove liner plate,
The corrugated gasket is equipped with front and rear sides that are more than two and being tightly attached to thin fin block respectively, and the groove liner plate is inserted embedded in thin
The inside of fin block, the corrugated gasket, thin fin block, groove liner plate three are in the same vertical plane.
As a further improvement of the present invention, the rotating plate club is made of club body, ball valve, dog-ear rotating plate block, described
Club body is structure as a whole with ball valve and axle center is conllinear, and the ball valve is gap-matched with dog-ear rotating plate block.
As a further improvement of the present invention, the square magnetic hooks plate and hooks plate by stub shaft, square cover, Y profile shaft frame, magnetic
Composition, the stub shaft extend transversely through the inside of square cover and are mechanically connected with Y profile shaft frame, and the square cover is nested in magnetic hook
The left side of plate, the Y profile shaft frame are installed on the inside that magnetic hooks plate.
As a further improvement of the present invention, the arc extinguishing shelf is made of copper wire, banj, iron frame item, magnet ring, described
Banj is nested with iron frame item integral, and the iron frame item sets there are two and be respectively welded at the two sides up and down of magnet ring, described
Copper wire is electrically connected by iron frame item with magnet ring.
As a further improvement of the present invention, the coil axis rotary column is made of coil column, small-sized stepper, inner shaft lever,
The coil column inserts the bottom for being embedded in inner shaft lever and axle center is conllinear, and the small-sized stepper and inner shaft lever are mechanically connected.
As a further improvement of the present invention, the double brush holders of the triangle are three that the arm support bar with dibit carbon brush is constituted
Angle to roof construction, carbon brush left end rub up and down aid rod piece to top effect, it is then anti-by stability of the triangle to top difference
Only slippery conditions make C word magnet frame is more firm to overlay rotation and form energization magnetic field.
As a further improvement of the present invention, the rotating plate club is the member structure that bottom spherical cavity sets the revolution of L-type thickness column block,
Facilitate the counterweight of rod piece, and the mobile rotation of clump weight shell forms the fine tuning linkage effect of deflection.
As a further improvement of the present invention, the Y profile shaft frame is the pedestal design of left-hand thread mast of reclining with bearer ring, axis
It holds connecting rod L-type pedestal and forms the cooperation overturning traction magnetic sheet rotation up and down of Y word structure to left-hand thread column, achieve the effect that eddy current magnetism,
The promotion utilizing status of magnetic hystersis loss is promoted, loss value is reduced.
As a further improvement of the present invention, the arc extinguishing shelf is the stand knot that ring frame aligns bearing diagonal batten up and down
Structure reaches the electromagnetism aid amplification effect that left and right stand forms sheet revolution, allows magnetic field shielding structure to obtain internal injection, make low
Frequency shielding intensity stabilization.
Beneficial effect
A kind of low frequency electromagnetic screening arrangement of new-energy automobile electromagnetic compatibility testing of the present invention, in the electricity of new-energy automobile
In the installation and debugging of pond, the upper cover and kerve seat of staff's clinching electromagnetism slewing equipment are embedded in automobile batteries by screw slot lock
In slot, then for grafting needle tubing slot with onboard system screen is supplied electricity to, then terminal groove seat and collection torch substep, which are matched, supplies electricity to entire car body
Running, and the interlocking of front end of line plate by lock screw cylinder it is hinged, when press start and stop key slot starting tag board under coil axis
When rotary column channel is turned round, small-sized stepper starting inner shaft lever draught line loop pillar superposition electromagnetic field discharges to the electromagnetic screen on the race of top
The driven rotation of frame is covered, the sealing effect of the small electromagnetic shielding of eggshell body spheroid shape is reached, since terminal PC plate distribution is to capacitance pole
Plate re-maps on aluminium arc plate, forms the left and right displacement effect of free electron, makes the lithium manganese ion cooperation electric discharge in coil column steady
Gu then being dissipated and since the double brush holders of the triangle of upper frame ball and magnet block fix the upper and lower ends of C word magnet frame in arc slot spherical shell
Hot fin to be formed as C word magnet frame rotates groove liner plate drain in environment gas circuit lead air blast into corrugated gasket in thin fin block
Brattice heat dissipation is formed under state, put hot gas anti-manganese ion heating dissolution outside, protects the chemical stability of manganese ion, passes through air bag cushion
It is engaged the club body of rotating plate club, allows ball valve and the block rotary motion of dog-ear rotating plate to form traction square magnetic and hooks plate and hook beautiful magnetic sheet
Traction effect, make arc extinguishing shelf iron frame item and C word magnet frame in magnetic discharge process copper wire and banj conduction to magnet ring
It forms annular and reinforces magnetic field, then stub shaft passes through square cover priming Y profile shaft frame lifting magnetic and hooks plate revolution, and square magnetic is made to hook plate
Eddy current magnetism is formed in the arc extinguishing shelf of the right and left respectively with beautiful magnetic sheet is hooked, charge is drawn while receiving charge, is formed
Road effect is led back in one, is enlarged by copper wire and the arc extinguishing of banj conduction, and low frequency electromagnetic shielding field is also made to fill egg
Clamshell structure, the lasting continuation of the journey effect for the conductivity that raises speed allow new-energy automobile validity test to obtain accurate numerical value, and convenient development is adjusted
Examination maintenance, is reduced the loss of battery and automobile.
There is accessible advantage after operation of the present invention:
It is matched with electromagnetic shielding frame with coil axis rotary column, by setting up a line in the distribution environment of lithium-manganese cell
Loop pillar is that the C word magnet frame of winding stack main shaft rotates left and right structure, forms the rotary armoured magnetic field of electromagnetism, and spheroid shape
Motion structure cooperates the transmitting of cutting magnetic induction line compatible, and the arc in the two poles of the earth capacitor plate magnetic field of also arranging in pairs or groups aligns magnetic power effect,
Facilitate heat dissipation Wind power propelling effect having radiating fin movement again by arc extinguishing shelf revolution also amplification armoured magnetic field, prevents manganese
Ion release, the working efficiency of effective guarantee lithium-manganese cell reduce disturbed condition probability, make new-energy automobile Electro Magnetic Compatibility
The low frequency electromagnetic shield effectiveness of test is splendid, and conductivity is high and stablizes, and detection numerical value is accurate, and magnetic hystersis loss forces down, with eggshell
Type structural magnetic field forms the effect that a soft collocation arc energization magnetic induction line is isolated with inner cover.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, the attached drawing in describing below to embodiment is made in detail
It carefully introduces, allows other features, purposes and advantages of the invention will become more apparent with this:
Fig. 1 is a kind of structural representation of the low frequency electromagnetic screening arrangement of new-energy automobile electromagnetic compatibility testing of the present invention
Figure.
Fig. 2 is the detailed vertical section structure schematic diagram of electromagnetism slewing equipment of the present invention.
Fig. 3 is the schematic cross-sectional view of present invention electromagnetic shielding frame and coil axis rotary column working condition.
Fig. 4 is that structural schematic diagram is regarded in the solid of upper frame ball working condition of the present invention.
Fig. 5 is the schematic perspective view of radiating fin working condition of the present invention.
Fig. 6 is the volume rendering structural schematic diagram of rotating plate club working condition of the present invention.
Fig. 7 is that square magnetic of the present invention hooks plate and structural schematic diagram is cutd open in the side of arc extinguishing shelf working condition.
Description of symbols: flight -1, electromagnetism slewing equipment -2, start and stop key slot -3, tag board -4, needle tubing slot -
5, terminal groove seat -6, collection torch -7, lock screw cylinder -8, top race -21, electromagnetic shielding frame -22, coil axis rotary column -23, aluminium arc
Plate -24, capacitor plate -26, terminal PC plate -27, kerve seat -28, upper frame ball -221, C word magnet frame -222, dissipates upper cover -25
Hot fin -223, air bag cushion -224, rotating plate club -225, square magnetic hook plate -226, arc extinguishing shelf -227, hook beautiful magnetic sheet -228,
The double brush holders -2212 of arc slot spherical shell -2211, triangle, magnet block -2213, corrugated gasket -2231, thin fin block -2232, groove lining
Plate -2233, club body -2251, ball valve -2252, dog-ear rotating plate block -2253, stub shaft -2261, square cover -2262, Y profile shaft
Frame -2263, magnetic hook plate -2264, copper wire -2271, banj -2272, iron frame item -2273, magnet ring -2274, coil column -231,
Small-sized stepper -232, inner shaft lever -233.
Specific embodiment
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below with reference to
Specific embodiment, the present invention is further explained.
Fig. 1-Fig. 7 is please referred to, the present invention provides a kind of low frequency electromagnetic shielding dress of new-energy automobile electromagnetic compatibility testing
Set, structure include: flight 1, electromagnetism slewing equipment 2, start and stop key slot 3, tag board 4, needle tubing slot 5, terminal groove seat 6,
Collect torch 7, lock screw cylinder 8, the needle tubing slot 5 sets there are two and inserts the forward right side for being embedded in electromagnetism slewing equipment 2, institute
It states 4 level of tag board to be tightly attached on the top surface of electromagnetism slewing equipment 2, the flight 1 is equipped with more than two and is respectively welded
In the left and right sides of electromagnetism slewing equipment 2, the start and stop key slot 3 is mechanically connected by spring and electromagnetism slewing equipment 2, described
Terminal groove seat 6, collection torch 7, lock 8 three's horizontal Tile of screw cylinder are in alignment and insert embedded in electromagnetism slewing equipment 2
Front side, the electromagnetism slewing equipment 2 are equipped with top race 21, electromagnetic shielding frame 22, coil axis rotary column 23, aluminium arc plate 24, upper cover
25, capacitor plate 26, terminal PC plate 27, kerve seat 28, the electromagnetic shielding frame 22 is mechanically connected with coil axis rotary column 23, described
Race 21 and electromagnetic shielding frame 22 are pushed up using being interference fitted, the upper cover 25 is snapped together with kerve seat 28, the capacitor
Pole plate 26 is electrically connected with terminal PC plate 27, and the capacitor plate 26 is all provided with there are two with terminal PC plate 27 and is installed in bottom respectively
The left and right sides inside groove seat 28, the aluminium arc plate 24 are close together and in the same vertical plane with capacitor plate 26,
4 level of tag board is tightly attached on the top surface of upper cover 25, and the terminal groove seat 6 is electrically connected by conducting wire with terminal PC plate 27
It connects.
Referring to Fig. 3, the electromagnetic shielding frame 22 is by upper frame ball 221, C word magnet frame 222, radiating fin 223, air bag cushion
224, rotating plate club 225, square magnetic hook plate 226, arc extinguishing shelf 227, hook the beautiful composition of magnetic sheet 228, the upper frame ball 221 and C word
Magnet frame 222 snaps together, and the C word magnet frame 222 is integrally welded with radiating fin 223, and the air bag cushion 224 passes through
Rotating plate club 225 and square magnetic hook plate 226 and are mechanically connected, and the arc extinguishing shelf 227 sets there are two and hooks respectively with square magnetic
The beautiful magnetic sheet 228 of plate 226, hook is gap-matched, and the air bag cushion 224 and C word magnet frame 222 is close together, the coil
Axis rotary column 23 is made of coil column 231, small-sized stepper 232, inner shaft lever 233, and the coil column 231, which is inserted, is embedded in inner shaft lever 233
Bottom and axle center it is conllinear, the small-sized stepper 232 is mechanically connected with inner shaft lever 233, is powered by coil column 231 and C
The rotation collocation of word magnet frame 222, forms the galvanomagnetic-effect of Lenz's law, allows basic saturation armoured magnetic field to be formed, reach electromagnetism
The lithium manganese electromagnetic foundation effect of shielding, and eggshell motion structure conveniently struts electromagnetic shielding amount of area.
Referring to Fig. 4, the upper frame ball 221 is made of arc slot spherical shell 2211, the double brush holders 2212 of triangle, magnet block 2213,
The magnet block 2213 is tightly attached to the right side inside arc slot spherical shell 2211, and the double brush holders 2212 of the triangle are used with magnet block 2213
Being interference fitted the double brush holders 2212 of the triangle is the triangle of the arm support bar composition with dibit carbon brush to roof construction, carbon brush left end
Up and down friction aid rod piece to top effect, slippery conditions are then prevented to stability respectively is pushed up by triangle, make C word magnet
Frame 222 is more firm to be overlayed rotation and forms energization magnetic field, and the double brush holders 2212 of triangle and 2213 left side brush dynamic friction of magnet block are passed through
And right side magnet arc top, the left and right of contact surface is formed to top detent effect, and the revolution of C word magnet frame 222 is allowed to have certain axle center
Directionality prevents deflection drop situation, ensures the stability of erecting structure.
Referring to Fig. 5, the radiating fin 223 is by corrugated gasket 2231, thin fin block 2232,2233 groups of groove liner plate
At the corrugated gasket 2231 is equipped with front and rear sides that are more than two and being tightly attached to thin fin block 2232 respectively, the groove
Liner plate 2233 is inserted embedded in the inside of thin fin block 2232, the corrugated gasket 2231, thin fin block 2232, groove liner plate 2,233 3
Person is in the same vertical plane, drains interior ambient wind by groove liner plate 2233 and is formed to corrugated gasket 2231 around outer scattered formula
Ripple brattice, reaches heat dissipation effect.
Referring to Fig. 6, the rotating plate club 225 is made of club body 2251, ball valve 2252, dog-ear rotating plate block 2253, institute
State that club body 2251 is structure as a whole with ball valve 2252 and axle center is conllinear, the ball valve 2252 is used with dog-ear rotating plate block 2253
Clearance fit, the rotating plate club 225 are the member structure that bottom spherical cavity sets the revolution of L-type thickness column block, facilitate the counterweight of rod piece, and
The mobile rotation of clump weight shell forms the fine tuning linkage effect of deflection, and being rotated in ball valve 2252 by dog-ear rotating plate block 2253 makes ball
The body of rod 2251 matches resedimentation, was cooperating electric traction to make that the chimeric stand frame of deflection can be finely tuned, and was forming flexibly returning for auxiliary linkage
Turn effect.
Referring to Fig. 7, the square magnetic, which hooks plate 226, hooks plate by stub shaft 2261, square cover 2262, Y profile shaft frame 2263, magnetic
Block 2264 forms, and the stub shaft 2261 extends transversely through the inside of square cover 2262 and is mechanically connected with Y profile shaft frame 2263, institute
It states square cover 2262 and is nested in the left side that magnetic hooks plate 2264, the Y profile shaft frame 2263 is installed on the inside that magnetic hooks plate 2264,
The Y profile shaft frame 2263 is the pedestal design of left-hand thread mast of reclining with bearer ring, and connecting rod L-type pedestal gives left-hand thread column to form Y
Word structure cooperates overturning traction magnetic sheet rotation up and down, achievees the effect that eddy current magnetism, promotes the promotion utilizing status of magnetic hystersis loss,
Loss value is reduced, the arc extinguishing shelf 227 is made of copper wire 2271, banj 2272, iron frame item 2273, magnet ring 2274, described
Banj 2272 is nested with iron frame item 2273 integral, and the iron frame item 2273 sets there are two and is respectively welded at magnet ring 2274
Two sides up and down, the copper wire 2271 is electrically connected by iron frame item 2273 with magnet ring 2274, and the arc extinguishing shelf 227 is on ring frame
The stand structure of lower contraposition bearing diagonal batten reaches the electromagnetism aid amplification effect that left and right stand forms sheet revolution, allows magnetic field
Shielding construction obtains internal injection, and low frequency is made to shield intensity stabilization, is discharged by the arc extinguishing of silk thread up and down of arc extinguishing shelf 227, so
The revolution of Y profile shaft frame 2263 drives magnetic to hook plate 2264 and turns round with beautiful magnetic sheet 228 is hooked afterwards, forms twin turbines magnetic field effect, reaches interior
The stability and introducing output discharge effect of armoured magnetic field.
Workflow: in the battery installation and debugging of new-energy automobile, the upper cover of staff's clinching electromagnetism slewing equipment 2
Lid 25 and kerve seat 28 are embedded in automobile batteries slot by the lock of flight 1, and then grafting needle tubing slot 5, which is matched, supplies electricity to onboard system
Screen, then terminal groove seat 6 and collection 7 substep of torch are operated with entire car body is supplied electricity to, and the interlocking of front end of line plate passes through lock screw
Cylinder 8 is hinged, when pressing 23 channel of the coil axis rotary column revolution under the starting tag board 4 of start and stop key slot 3, small-sized stepper 232
Starting 233 draught line loop pillar 231 of inner shaft lever superposition electromagnetic field discharges to the driven rotation of electromagnetic shielding frame 22 on the race 21 of top, reaches
To the sealing effect of the small electromagnetic shielding of eggshell body spheroid shape, since terminal PC plate 27 re-maps aluminium with supplying electricity to capacitor plate 26
On arc plate 24, the left and right displacement effect of free electron is formed, makes the lithium manganese ion cooperation electric discharge in coil column 231 firm, and by
The upper and lower of C word magnet frame 222 is fixed in arc slot spherical shell 2211 with magnet block 2213 in the double brush holders 2212 of the triangle of upper frame ball 221
Both ends, then radiating fin 223 drains interior environment gas circuit as the rotation of C word magnet frame 222 forms groove liner plate 2233 and leads into wave
Line gasket 2231 forms brattice heat dissipation under the Overblow state of thin fin block 2232, and put hot gas anti-manganese ion heating dissolution outside, protects
Protect manganese ion chemical stability, by air bag cushion 224 be engaged rotating plate club 225 club body 2251, allow ball valve 2252 and folding
Rotating plate block 2253 rotary motion in angle forms traction square magnetic and hooks plate 226 and hook the traction effect of beautiful magnetic sheet 228, makes arc extinguishing shelf
227 iron frame item 2273 and C word magnet frame 222 copper wire 2271 and banj 2272 in magnetic discharge process is conductive to magnet ring
2274, which form annular, reinforces magnetic field, and then stub shaft 2261 passes through 2262 priming Y profile shaft frame 2263 of square cover lifting magnetic and hooks plate
2264 revolutions make square magnetic hook plate 226 and hook beautiful magnetic sheet 228 and form eddy current magnetism in the arc extinguishing shelf 227 of the right and left respectively,
Charge is drawn while receiving charge, is formed in one and is led back to road effect, conductive by copper wire 2271 and banj 2272
Arc extinguishing is enlarged, and so that low frequency electromagnetic shielding field is filled eggshell cover structure, the lasting continuation of the journey effect for the conductivity that raises speed allows new energy
Source automobile validity test obtains accurate numerical value, and convenient development debugging maintenance is reduced the loss of battery and automobile.
The present invention is combined with each other by above-mentioned component, is reached and is matched with electromagnetic shielding frame 22 and coil axis rotary column 23
It closes, it is left by setting up the C word magnet frame 222 that a coil column 231 is winding stack main shaft in the distribution environment of lithium-manganese cell
Dextrorotation rotation structure forms the rotary armoured magnetic field of electromagnetism, and the transmitting of spheroid shape motion structure cooperation cutting magnetic induction line is simultaneous
Hold, the arc in 26 magnetic field of the two poles of the earth capacitor plate of also arranging in pairs or groups aligns magnetic power effect, is passing through the revolution of arc extinguishing shelf 227 also amplification screen
It covers magnetic field and has radiating fin 223 again and move and facilitate heat dissipation Wind power propelling effect, prevent manganese ion from dissolving out, effective guarantee lithium manganese electricity
The working efficiency in pond reduces disturbed condition probability, makes the low frequency electromagnetic shield effectiveness of new-energy automobile electromagnetic compatibility testing
Splendid, conductivity is high and stablizes, and detection numerical value is accurate, and magnetic hystersis loss forces down, soft with eggshell type structural magnetic field formation one
The effect that collocation arc energization magnetic induction line is isolated with inner cover, it is at low cost and safe come the lithium-manganese cell for solving new-energy automobile with this
Property it is preferable, but cycle life is not good enough, and continues a journey under heat condition in new-energy automobile continued power, the circulating battery of hot environment
Service life is worse, it may appear that the phenomenon that manganese ion dissolves out, high temperature causes self discharge serious, so that energy storage characteristic is poor, region is caused to be felt
It should be easy to happen the magnetic induction line deformation of armoured magnetic field, the phenomenon that causing compatible rapid drawdown, this ferromagnetic material for shielding framework
Magnetic hystersis loss is larger, when low frequency electromagnetic being made to shield work, in addition to shielding is magnetostatic, also needs and shields the electromagnetic field of variation, cause low
The disorder of frequency conductivity, the problem of influencing the numerical bias of new-energy automobile electromagnetic compatibility testing.
Specific embodiment described herein is only to give an example to the present invention.The technical field of the invention
Technical staff can make various modifications or additions to the described embodiments or be substituted in a similar manner, but
Without departing from of the invention or beyond the scope of the appended claims.
Claims (8)
1. a kind of low frequency electromagnetic screening arrangement of new-energy automobile electromagnetic compatibility testing, structure includes: flight (1), electricity
Magnetic slewing equipment (2), start and stop key slot (3), tag board (4), needle tubing slot (5), terminal groove seat (6), collection torch (7), lock
Screw cylinder (8), it is characterised in that:
The needle tubing slot (5) sets there are two and inserts the forward right side for being embedded in electromagnetism slewing equipment (2), the tag board (4)
Level is tightly attached on the top surface of electromagnetism slewing equipment (2), and the flight (1) is equipped with more than two and is respectively welded at electromagnetism
The left and right sides of slewing equipment (2), the start and stop key slot (3) is mechanically connected by spring and electromagnetism slewing equipment (2), described
Terminal groove seat (6), collection torch (7), lock screw cylinder (8) three and socket are embedded in the front side of electromagnetism slewing equipment (2)；
The electromagnetism slewing equipment (2) is equipped with top race (21), electromagnetic shielding frame (22), coil axis rotary column (23), aluminium arc plate
(24), upper cover (25), capacitor plate (26), terminal PC plate (27), kerve seat (28)；
The electromagnetic shielding frame (22) and coil axis rotary column (23) are mechanically connected, the top race (21) and electromagnetic shielding frame (22)
It matches, the upper cover (25) snaps together with kerve seat (28), the capacitor plate (26) and terminal PC plate (27) electricity
Connection, the capacitor plate (26) and terminal PC plate (27) are all provided with there are two and are installed in the internal left side of kerve seat (28) respectively
Right two sides, the aluminium arc plate (24) are close together with capacitor plate (26), and tag board (4) level is tightly attached to upper cover
(25) on top surface, the terminal groove seat (6) is electrically connected by conducting wire with terminal PC plate (27).
2. a kind of low frequency electromagnetic screening arrangement of new-energy automobile electromagnetic compatibility testing according to claim 1, special
Sign is: the electromagnetic shielding frame (22) is by upper frame ball (221), C word magnet frame (222), radiating fin (223), air bag cushion
(224), rotating plate club (225), square magnetic hook plate (226), arc extinguishing shelf (227), hook beautiful magnetic sheet (228) composition, the upper frame
Ball (221) is snapped together with C word magnet frame (222), and the C word magnet frame (222) and radiating fin (223) are welded into one
Body, the air bag cushion (224) hook plate (226) mechanical connection, the arc extinguishing shelf by rotating plate club (225) and square magnetic
(227) it sets there are two and is matched respectively with square magnetic hook plate (226), the beautiful magnetic sheet (228) of hook.
3. a kind of low frequency electromagnetic screening arrangement of new-energy automobile electromagnetic compatibility testing according to claim 2, special
Sign is: the upper frame ball (221) is made of arc slot spherical shell (2211), the double brush holders (2212) of triangle, magnet block (2213), described
Magnet block (2213) is tightly attached to the internal right side of arc slot spherical shell (2211), the double brush holders (2212) of the triangle and magnet block (2213)
It matches.
4. a kind of low frequency electromagnetic screening arrangement of new-energy automobile electromagnetic compatibility testing according to claim 2, special
Sign is: the radiating fin (223) is made of corrugated gasket (2231), thin fin block (2232), groove liner plate (2233), institute
It states corrugated gasket (2231) and is equipped with front and rear sides that are more than two and being tightly attached to thin fin block (2232) respectively, the groove lining
Plate (2233) is inserted embedded in the inside of thin fin block (2232).
5. a kind of low frequency electromagnetic screening arrangement of new-energy automobile electromagnetic compatibility testing according to claim 2, special
Sign is: the rotating plate club (225) is made of club body (2251), ball valve (2252), dog-ear rotating plate block (2253), the ball
The body of rod (2251) is structure as a whole with ball valve (2252), and the ball valve (2252) matches with dog-ear rotating plate block (2253).
6. a kind of low frequency electromagnetic screening arrangement of new-energy automobile electromagnetic compatibility testing according to claim 2, special
Sign is: the square magnetic hooks plate (226) and hooks plate by stub shaft (2261), square cover (2262), Y profile shaft frame (2263), magnetic
(2264) form, the stub shaft (2261) extend transversely through the inside of square cover (2262) and with Y profile shaft frame (2263) machinery
Connection, the square cover (2262) are nested in the left side that magnetic hooks plate (2264).
7. a kind of low frequency electromagnetic screening arrangement of new-energy automobile electromagnetic compatibility testing according to claim 2, special
Sign is: the arc extinguishing shelf (227) is by copper wire (2271), banj (2272), iron frame item (2273), magnet ring (2274) group
At the banj (2272) is nested with iron frame item (2273) integral, and the iron frame item (2273) sets there are two and distinguishes
The two sides up and down of magnet ring (2274) are welded on, the copper wire (2271) is electrically connected by iron frame item (2273) with magnet ring (2274).
8. a kind of low frequency electromagnetic screening arrangement of new-energy automobile electromagnetic compatibility testing according to claim 1, special
Sign is: the coil axis rotary column (23) is made of coil column (231), small-sized stepper (232), inner shaft lever (233), the line
Loop pillar (231) is inserted embedded in the bottom of inner shaft lever (233), and the small-sized stepper (232) and inner shaft lever (233) are mechanically connected.
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| CN201910295673.7A CN109946527B (en) | 2019-04-12 | 2019-04-12 | Low-frequency electromagnetic shielding device for electromagnetic compatibility test of new energy automobile |
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| CN201910295673.7A CN109946527B (en) | 2019-04-12 | 2019-04-12 | Low-frequency electromagnetic shielding device for electromagnetic compatibility test of new energy automobile |
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| CN109946527A true CN109946527A (en) | 2019-06-28 |
| CN109946527B CN109946527B (en) | 2021-05-14 |
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Cited By (1)
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| CN110474515A (en) * | 2019-09-19 | 2019-11-19 | 曹兵 | A kind of novel governor of the convex magnet ring of disc differential with start and stop defencive function |
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|---|---|
| CN109946527B (en) | 2021-05-14 |
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Effective date of registration: 20210408 Address after: 1439 Wenchang Road, Lanting street, Keqiao District, Shaoxing City, Zhejiang Province Applicant after: Shaoxing Xiuzhen New Energy Technology Co.,Ltd. Address before: 362300 506, building 1, science and technology business building, Chenggong Road, Nan'an City, Quanzhou City, Fujian Province Applicant before: NAN'AN MICHAO DECORATION DESIGN Co.,Ltd. |
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Application publication date: 20190628 Assignee: Zhuji Jibei Electromechanical Technology Co.,Ltd. Assignor: Shaoxing Xiuzhen New Energy Technology Co.,Ltd. Contract record no.: X2021330000446 Denomination of invention: A low frequency electromagnetic shielding device for electromagnetic compatibility test of new energy vehicles Granted publication date: 20210514 License type: Common License Record date: 20211018 |
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Assignee: Zhuji Jibei Electromechanical Technology Co.,Ltd. Assignor: Shaoxing Xiuzhen New Energy Technology Co.,Ltd. Contract record no.: X2021330000446 Date of cancellation: 20231115 |