CN111059033A - Electric compressor shielding cover and air conditioner - Google Patents
Electric compressor shielding cover and air conditioner Download PDFInfo
- Publication number
- CN111059033A CN111059033A CN201911312264.XA CN201911312264A CN111059033A CN 111059033 A CN111059033 A CN 111059033A CN 201911312264 A CN201911312264 A CN 201911312264A CN 111059033 A CN111059033 A CN 111059033A
- Authority
- CN
- China
- Prior art keywords
- shielding
- cover
- network card
- wire harness
- electric compressor
- 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
Links
- 239000002184 metal Substances 0.000 claims abstract description 37
- 229910052751 metal Inorganic materials 0.000 claims abstract description 37
- 239000004033 plastic Substances 0.000 claims description 9
- 238000007789 sealing Methods 0.000 abstract description 3
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 8
- 238000004378 air conditioning Methods 0.000 description 5
- 230000005670 electromagnetic radiation Effects 0.000 description 4
- 238000001914 filtration Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 230000036039 immunity Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- F04B39/121—Casings
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0007—Casings
- H05K9/0018—Casings with provisions to reduce aperture leakages in walls, e.g. terminals, connectors, cables
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0071—Active shielding
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The invention provides a shielding cover of an electric compressor, which comprises a cover, various wire harnesses penetrating through the cover and a shielding assembly, wherein the shielding assembly comprises a metal shielding network card which is arranged outside the cover and is used for clamping the wire harnesses. The invention also provides an air conditioner adopting the metal shielding network card, which comprises the shielding cover of the electric compressor. The shielding cover of the electric compressor comprises a plurality of anti-interference and sealing components, can realize shielding and releasing of nearly 100% electromagnetic interference signals through the metal shielding network card, the magnetic ring, the rubber plug and the like, overcomes the problem of higher electromagnetic interference of the electric compressor, and ensures that the shielding cover meets the EMC test requirement.
Description
Technical Field
The present invention relates to a motor-driven compressor cover, and more particularly, to a motor cover having electromagnetic radiation interference resistance, or a shield cover, and an air conditioner using the shield cover.
Background
In life, electromagnetic radiation generated by electromagnetic conduction in the working environment of electronic and electric appliances is ubiquitous, and various electromagnetic radiation immunity requirements are particularly important for electronic and electric engineering engineers.
Particularly, the anti-interference capability of the traditional automobile air-conditioning compressor is mature, but in the field of electric automobiles, because the control mechanism and the driving mode are different, the local space is small, the power is high, and the electric magnetic field is strong, the electromagnetic radiation is particularly serious, so far, the problem of EMC (electromagnetic compatibility) is not well solved, the existing product is difficult to realize meeting the automobile industry electronic standard, and the higher-level IP protection level is improved.
Disclosure of Invention
The invention provides a shielding cover of an electric compressor, which can perfectly solve the problem of electromagnetic interference of the electric compressor and has a higher level of IP protection level.
Therefore, the invention adopts the following technical scheme:
the shielding cover comprises a cover body, various wire harnesses penetrating through the cover body and a shielding assembly, wherein the shielding assembly comprises a metal shielding network card arranged outside the cover body and buckled with the wire harnesses.
On the basis of adopting the technical scheme, the invention can also adopt the following further scheme:
the metal shielding network card is a sheet body formed by assembling two or more than two sheets, and the various wire harnesses are completely clamped after the combined sheet body is assembled.
The metal shielding network card is a combined sheet-shaped body installed in two pieces.
The metal shielding network cards are combined to form bayonets capable of buckling various wiring harnesses in the middle, the aperture of the bayonets corresponding to various wires is equal to or smaller than the diameter of the body of the various wiring harnesses after the outer plastic shell is stripped, and the end parts of the bayonets are in contact with the shielding layers coated outside the body of the various wires.
Furthermore, the shielding net card is provided with the spaced fretwork groove that uses the center of pencil as the centre of a circle around the bayonet socket, forms 360 plum blossom form clamping part and is used for blocking various pencil, corresponds plum blossom form clamping part on the pencil and strips outer plastic casing for plum blossom form clamping part is direct with the shielding layer contact of the body outer cladding of pencil.
Furthermore, the front end of the plum blossom-shaped clamping part is bent upwards or downwards to form an L-shaped bend, and the bending enables the contact area of the plum blossom-shaped clamping part and a shielding layer coated outside the wire harness body to be increased.
The shielding subassembly is still including the metallic shield briquetting that is used for fixed metallic shield network card, the fixed confession that is provided with of machine cover the pencil pass the hole, pass the hole and can supply one or many pencil to pass to set up the mount table on passing the hole, all be provided with the screw on metallic shield briquetting, metallic shield network card, the mount table, realize fixing between the three through the screw.
Furthermore, the shielding assembly further comprises a rubber block for various wire harnesses to pass through, and a mounting hole for the rubber block to be embedded is formed in the mounting table.
The shielding assembly further comprises a fixing block arranged in the machine cover and used for the wiring harness to penetrate through, magnetic rings used for the wiring harness to penetrate through are embedded on the fixing block, and the wiring harness penetrates through one magnetic ring respectively.
The invention also provides an air conditioner adopting the metal shielding network card, which comprises the shielding cover of the electric compressor.
Due to the adoption of the technical scheme, the shielding cover of the electric compressor comprises a plurality of anti-interference and sealing components, and can realize shielding and releasing of almost 100% electromagnetic interference signals through the metal shielding network card, the magnetic ring, the rubber plug and the like, so that the problem of higher electromagnetic interference of the electric compressor is solved, and the electric compressor meets the EMC test requirement.
Drawings
Fig. 1 is an exploded view of a shield cover of an electric compressor according to the present invention.
Fig. 2 is a schematic view of a motor-driven compressor shield cover according to the present invention.
Fig. 3 is a schematic diagram of the metal shielding network card according to the present invention.
Fig. 4 is a side view of the metal shielding network card according to the present invention.
Detailed Description
The invention is further elucidated with reference to the drawing.
Example 1:
as shown in fig. 1, the present invention provides a motor-driven compressor shield cover, which may be an air-conditioning compressor for an electric vehicle or an air-conditioning motor compressor for other use cases.
In the embodiment, the shielding cover of the present invention includes a cover 1, and a wire harness 2 passing through the cover 1, the wire harness 2 generally includes a signal line, a low voltage power line, a high voltage power line, etc., and other wire harnesses are also possible, and the combination of the wire harnesses is not the scope of the present invention. And other components such as a controller 10, a PCB (printed circuit board) group and the like are arranged in the machine cover.
The shielding cover 1 is further provided with a shielding assembly.
In this embodiment, the shielding assembly includes three parts, which are respectively a metal shielding network card 3, a magnetic ring 4 and a rubber plug 5.
As the key point of this embodiment, the metal shielding network card 3 is disposed outside the cover, fixed with various wire harnesses, in contact with the signal shielding layer inside the wire harness, and in contact with the cover, so that electromagnetic interference or electromagnetic signals filtered from the inside of the wire harness are absorbed by the metal shielding network card 3, and then leaked through the cover, thereby leaking electromagnetic interference radiation. The signal shielding layer inside the wire harness refers to a common wire harness which comprises an outer plastic shell, an inner wire core and a signal shielding layer between the wire core and the plastic shell, the signal shielding layer is generally formed by weaving metal materials and is of a crossed net structure, and the metal shielding network card 3 is in contact with the net structure to absorb electromagnetic interference or signals.
In this embodiment, the magnetic ring 4 disposed in the shielding assembly is disposed in the cover, and is sleeved outside the wire harness, and the residual interference signal after the signal filtering of the metal shielding network card outside the cover and the extra interference signal or electromagnetic interference generated by the wire harness from outside to inside are absorbed by the magnetic ring to form an internal and external dual-insurance, one is outside the cover and the other is inside the cover, so as to achieve the best shielding effect and perfect filtering effect.
The magnetic ring 4 adjusts the corresponding frequency band signal according to the signal type to achieve further fine signal shielding treatment, and the problem of signal interference is thoroughly eliminated.
It should be noted that in this embodiment, since the electromagnetic interference generated by the wire harness may be filtered from outside to inside and leaked as described above, or may be filtered from inside to outside, the electromagnetic interference from inside to outside refers to signals transmitted to outside after the controller operates inside, electromagnetic interference generated by the internal operation, and the like. Therefore, signal interference and electromagnetic interference transmitted from inside to outside can be filtered through the magnetic ring and the metal shielding network card, and a bidirectional filtering effect is achieved.
Through the configuration, the invention can realize perfect electromagnetic compatibility (EMC), and in the EMC test, the electromagnetic field interference and the anti-interference capability completely meet the test requirements.
Example 2:
as shown in fig. 3 and 4, the metal shielding network card 3 is a sheet body formed by assembling two or more sheets, and the various wire harnesses are completely clamped after the combined sheet body is assembled. The design function is as follows: 1. the installation is convenient; 2. avoid damaging the power core in the installation process.
More preferably, as shown in the figure, the metal shielding network card 3 is a combined sheet-shaped body of two-piece installation. And after the metal shielding network cards are combined, a bayonet 31 capable of buckling various wiring harnesses is formed in the middle, the bayonet 31 is represented as one or more holes formed after the metal shielding network cards are spliced, and a wire, such as a high-voltage wire, a low-voltage wire, a signal wire and the like, passes through each hole.
A typical harness structure is a sheathing case (mostly plastic case) including an outer layer, and a harness body, which may be a single-strand or multi-strand wire, is disposed in the center of the case, and a signal shielding layer, or an anti-interference shielding net, is disposed between the harness body and the case, and is a shielding layer supported by a metal material, typically made of a metal material, such as copper, for shielding or absorbing various signals, electromagnetic interference radiation, and the like generated in the harness.
Therefore, the aperture of the bayonet 31 corresponding to each wire harness disclosed by the invention is equal to or smaller than the diameter of the body of each wire harness after the outer plastic shell is stripped, so that the end part of the bayonet 31 is in contact with the shielding layer coated outside the body of each wire. That is, the card port is in contact with a signal shielding layer (or an anti-interference shielding layer or a woven copper shielding layer) outside the wire harness body, and directly conducts signals absorbed by the signal shielding layer to the metal shielding network card.
On the basis, the shielding net card is provided with spaced hollow grooves 32 around the bayonet, the centers of the wire harnesses are taken as the centers of circles, a 360-degree quincunx clamping part is formed for clamping various wire harnesses, and the metal shielding net card is better in elasticity, so that the quincunx is more easily attached to a wire shielding layer, and signals are better released.
Specifically, the outer layer plastic shell is stripped corresponding to the plum blossom-shaped clamping part on the wire harness, so that the plum blossom-shaped clamping part is directly contacted with the shielding layer coated outside the body of the wire harness, and interference-resistant signal sources at different angles from and to the ground are intercepted and released. As described above, the signal shielding layer is a braided cross-wrap, and has no influence on the absorption of electromagnetic interference, although there is a gap between the signal shielding layer and the bayonet which forms a quincunx shape.
In order to guarantee a better shielding effect, the front end of the plum blossom-shaped clamping part upwards or downwards forms an L-shaped bend 33, and the bend 33 enables the plum blossom-shaped clamping part to be in contact with the shielding layer coated outside the body of the wire harness in an increased area.
It is worth noting that in this embodiment, because the general signal shielding bayonet is integrated in use, when it is installed, the general signal shielding bayonet can only pass through the head of the wire to reach the position to be fastened, if the bayonet is too small, the wire harness can be damaged in the installation, if the bayonet is too small, the general signal shielding bayonet cannot completely contact with the signal shielding layer of the wire harness body at the position to be fastened, and the best signal shielding effect cannot be obtained. However, the split type metal shielding network card perfectly solves the technical problem, and the wiring harness is provided with the clamping groove for the metal shielding network card to extend into, so that the front end of the metal shielding network card cannot be damaged, and the wiring harness can be completely contacted with the signal shielding layer.
In this embodiment, as shown in fig. 1 and fig. 2, the shielding assembly further includes a metal shielding pressing block 7 for fixing the metal shielding network card, the cover is fixedly provided with a through hole 6 for the wire harness, the through hole 6 can be passed by one or more wire harnesses, and a mounting table 8 is arranged on the through hole, the metal shielding pressing block 7, the metal shielding network card 3 and the mounting table 8 are all provided with screw holes, and the fixation among the three is realized through screws.
In addition, the shielding assembly further comprises a rubber block 5 for the signal line or the low-voltage line or the high-voltage line to pass through, and a mounting hole 9 for the rubber block to be embedded is formed in the mounting table. After the rubber block is embedded into the mounting hole 9, the rubber block has good sealing performance except for basic insulation and isolation functions in the aspect of electrical performance, achieves dustproof and waterproof effects, and easily reaches the protection level of IP 66.
In this embodiment, the shielding assembly further includes a fixing block 11 disposed in the cover and allowing the wire harness to pass therethrough, the fixing block 11 is embedded with a magnetic ring 4 allowing the wire harness to pass therethrough, and the wire harness passes through one magnetic ring 4 respectively. The magnetic ring 4 adjusts the corresponding frequency band signal according to the signal type to achieve further fine signal shielding treatment, and the problem of signal interference is thoroughly eliminated.
In this embodiment, based on the arrangement of the shielding assemblies described in embodiment 1, each shielding assembly is described in more detail, each part can have an effect, and a more effective anti-interference capability is realized after matching, so that the combination, that is, each individual combination of technical features, needs to be considered as a whole, which is the essence of the present invention and is the overall inventive concept of the present invention.
It is worth noting that each part of the shielding assembly of the motor compressor shielding cover of the invention realizes the anti-electromagnetic interference function, the dustproof and waterproof function, and the position arranged in the shielding assembly, such as the distance between the outside of the cover and the inside of the cover and the cover, and the design that the shielding metal network card is arranged outside and the magnetic ring is arranged inside, the shielding metal network card can filter 95% of the electromagnetic interference, the magnetic ring can absorb the electromagnetic interference generated by the wire harness from the outside to the inside and the rest 5% of the electromagnetic interference, has very good EMC test conditions, and is a key point for realizing the technical problem to be solved by the invention through EMC test.
The configuration and integration effects of the shielding component never appear in the industry, and no record is found in the prior art, particularly in the field of electric compressors, namely air-conditioning compressors adopted in modern social and environmental-friendly new energy vehicles, and the electromagnetic interference problem of the electric compressor is more serious than that of the traditional fuel oil vehicle air-conditioning compressor.
Claims (10)
1. The utility model provides a motor compressor shield cover, its characterized in that shield cover includes the cover, passes various pencil and the shielding subassembly of cover, the shielding subassembly is including setting up the buckle grasping outside the cover the metal shielding network card of pencil.
2. The shielding cover of an electric compressor according to claim 1, wherein the metallic shielding network card is a sheet-shaped body assembled by two or more pieces, and the assembled sheet-shaped body is assembled to completely clamp the various wire harnesses.
3. The shielding cover of claim 1, wherein said metallic shielding network card is a two-piece assembled plate.
4. The shielding cover of the electric compressor as claimed in claim 1, wherein the metallic shielding network cards are assembled to form a bayonet for fastening the various wire harnesses, and the aperture of the bayonet corresponding to each wire harness is equal to or smaller than the diameter of the body of the various wire harnesses after the outer plastic shell is stripped, so that the ends of the bayonet are in contact with the shielding layer coated outside the body of each wire harness.
5. The electric compressor shielding cover according to claim 4, wherein the shielding net is clamped around the bayonet to form spaced hollow grooves around the center of the wire harness, and a 360 ° quincunx clamping portion is formed for clamping various wire harnesses, and an outer plastic shell is stripped from the wire harness corresponding to the quincunx clamping portion, so that the quincunx clamping portion directly contacts with the shielding layer coated outside the body of the wire harness.
6. The shielding cover of an electric compressor as claimed in claim 5, wherein the front end of the quincunx clamping portion is bent upward or downward to form an L-shaped bend, and the bend increases the contact area of the quincunx clamping portion and the shielding layer coated outside the body of the wire harness.
7. The shielding cover of the motor-driven compressor as claimed in claim 1, wherein the shielding assembly further comprises a metal shielding pressing block for fixing a metal shielding network card, the cover is fixedly provided with through holes for the wire harnesses, the through holes can be passed through by one or more wire harnesses, and a mounting table is provided on the through holes, the metal shielding pressing block, the metal shielding network card and the mounting table are all provided with screw holes, and the fixing among the three is realized through screws.
8. The shielding cover for the motor-driven compressor as claimed in claim 7, wherein the shielding assembly further comprises a rubber block for various wire harnesses to pass through, and the mounting plate is provided with a mounting hole for the rubber block to be inserted.
9. The shielding cover of claim 1, wherein said shielding assembly further comprises a fixing block disposed in the cover for said wire harness to pass through, said fixing block having magnetic rings embedded therein for said wire harness to pass through, each of said wire harnesses passing through one of said magnetic rings.
10. An air conditioner characterized in that it comprises a motor-driven compressor shield cover according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911312264.XA CN111059033A (en) | 2019-12-18 | 2019-12-18 | Electric compressor shielding cover and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911312264.XA CN111059033A (en) | 2019-12-18 | 2019-12-18 | Electric compressor shielding cover and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111059033A true CN111059033A (en) | 2020-04-24 |
Family
ID=70301022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911312264.XA Pending CN111059033A (en) | 2019-12-18 | 2019-12-18 | Electric compressor shielding cover and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111059033A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022126542A1 (en) * | 2020-12-17 | 2022-06-23 | 伊斯特密封科技（江苏）有限公司 | Electromagnetic wave signal shielding chamber |
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| JP2012084275A (en) * | 2010-10-07 | 2012-04-26 | Auto Network Gijutsu Kenkyusho:Kk | Branch shield conducting path and shield member manufacturing method |
| CN202282525U (en) * | 2011-09-01 | 2012-06-20 | 中国航空工业第六一八研究所 | Rectangular connector shield tail clamp for avionics system |
| US20130032393A1 (en) * | 2010-02-05 | 2013-02-07 | Yazaki Corporation | Wiring harness |
| CN103155320A (en) * | 2010-09-24 | 2013-06-12 | 矢崎总业株式会社 | Wiring structure of wire harness and shielding cover |
| JP2013251426A (en) * | 2012-06-01 | 2013-12-12 | Auto Network Gijutsu Kenkyusho:Kk | Electromagnetic shield member and wiring harness |
| US20160104973A1 (en) * | 2014-10-14 | 2016-04-14 | Mitsubishi Electric Corporation | Shield case |
| CN206475756U (en) * | 2017-01-24 | 2017-09-08 | 中山大洋电机股份有限公司 | A kind of EMC suppresses box structure and applies its power system of electric automobile |
| CN206673238U (en) * | 2017-01-23 | 2017-11-24 | 郑州宇通客车股份有限公司 | A kind of integrated shielding and the socket of filter function |
| CN208806566U (en) * | 2018-04-16 | 2019-04-30 | 宁波央腾汽车电子有限公司 | A kind of electronic equipment terminal box that included harness is fixed and shielded |
| CN212360108U (en) * | 2019-12-18 | 2021-01-15 | 浙江日鑫汽车配件有限公司 | Electric compressor shielding cover and air conditioner |
-
2019
- 2019-12-18 CN CN201911312264.XA patent/CN111059033A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130032393A1 (en) * | 2010-02-05 | 2013-02-07 | Yazaki Corporation | Wiring harness |
| CN103155320A (en) * | 2010-09-24 | 2013-06-12 | 矢崎总业株式会社 | Wiring structure of wire harness and shielding cover |
| JP2012084275A (en) * | 2010-10-07 | 2012-04-26 | Auto Network Gijutsu Kenkyusho:Kk | Branch shield conducting path and shield member manufacturing method |
| CN202282525U (en) * | 2011-09-01 | 2012-06-20 | 中国航空工业第六一八研究所 | Rectangular connector shield tail clamp for avionics system |
| JP2013251426A (en) * | 2012-06-01 | 2013-12-12 | Auto Network Gijutsu Kenkyusho:Kk | Electromagnetic shield member and wiring harness |
| US20160104973A1 (en) * | 2014-10-14 | 2016-04-14 | Mitsubishi Electric Corporation | Shield case |
| CN206673238U (en) * | 2017-01-23 | 2017-11-24 | 郑州宇通客车股份有限公司 | A kind of integrated shielding and the socket of filter function |
| CN206475756U (en) * | 2017-01-24 | 2017-09-08 | 中山大洋电机股份有限公司 | A kind of EMC suppresses box structure and applies its power system of electric automobile |
| CN208806566U (en) * | 2018-04-16 | 2019-04-30 | 宁波央腾汽车电子有限公司 | A kind of electronic equipment terminal box that included harness is fixed and shielded |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022126542A1 (en) * | 2020-12-17 | 2022-06-23 | 伊斯特密封科技（江苏）有限公司 | Electromagnetic wave signal shielding chamber |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20201118 Address after: No.166 Huancheng South Road, Jianshan town, Pan'an County, Jinhua City, Zhejiang Province Applicant after: Zhejiang Rixin Auto Parts Co.,Ltd. Address before: 322300 No.166 Huancheng South Road, Pan'an Industrial Park (Jianshan town), Pan'an County, Jinhua City, Zhejiang Province Applicant before: Zhejiang Huali New Energy Technology Co.,Ltd. |
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| TA01 | Transfer of patent application right | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200424 |
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| WD01 | Invention patent application deemed withdrawn after publication |