CN206697658U - A kind of shielded cable locking head with filter function - Google Patents
A kind of shielded cable locking head with filter function Download PDFInfo
- Publication number
- CN206697658U CN206697658U CN201720088077.8U CN201720088077U CN206697658U CN 206697658 U CN206697658 U CN 206697658U CN 201720088077 U CN201720088077 U CN 201720088077U CN 206697658 U CN206697658 U CN 206697658U
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- Prior art keywords
- magnet ring
- cable
- locking section
- locking head
- filter function
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Abstract
It the utility model is related to a kind of shielded cable locking head with filter function, the shielding locking head includes the hollow fixed seat for being used to install for cable, fixed seat including the use of when internal locking section in casing and outer locking section when using outside casing, the magnet ring for being located on cable is provided with the inner chamber of the internal locking section, the end that the shielding locking head also includes being arranged at fixed seat for the magnet ring fixture of fixing corresponding magnet ring.Magnet ring is integrated in fixed seat, it is simple in construction, small volume, magnet ring is located on the outer wall of cable during use, the harmonic wave of conducted emission caused by cable is filtered, the Electro Magnetic Compatibility of lifting system, is filtered in the connectivity port of cable and the inside of no longer part is filtered, and inductor filter can not be implemented by also solving the problems, such as that member interior space is limited.
Description
Technical field
It the utility model is related to a kind of shielded cable locking head with filter function.
Background technology
The use of device for power switching causes its Electromagnetic Launching more serious in high-pressure system, and the transmitting to high-pressure system is done
More measures using shielding are disturbed, electromagnetic shielding is realized using metal die part casing to all parts in system, and in the middle part of system
The interconnection architecture of part turns into the short slab for restricting Electro Magnetic Compatibility.The high pressure driving system of new energy vehicle possesses high current, height
The characteristics of voltage, its Electro Magnetic Compatibility turn into limit product security, the key of stability.Cable part in casing
Shielded by metal chassis, the cable exposed to outside casing use more sets beam shield stratum reticulare on cable and shielded, existing
Some generally comprises the fixed seat of metal for locking the locking head of cable, and fixed seat includes the internal locking section positioned at casing internal
With the outer locking section outside casing.To improve the intensity externally launched wire harness internal interference signals, wire harness has to carry
The count of high gauze screen is greatly increased using mode, costs such as double layer screens.Shielding line can limit interference signal
Externally transmitting, and the conducted emission in shielded wire harness is then easy to bring greater risk to the low-voltage circuit for interconnecting part.Therefore,
The interference signal of cable inner is filtered, reducing its energy turns into more direct effective means.Existing capacitive filtering
The small volume of device, it is simple in construction, but restricted by leakage current security, effect is limited；The shortcomings that perceptual filter is
Volume is big, fixed complicated, can not internally implement in the limited part in space, and if the die sinking of high voltage component internal structure is solid
After change, rectification leeway is less.
Utility model content
The purpose of this utility model is to provide a kind of small volume, simple in construction and good wave filtering effect has filter function
Cable with shielding locking head.
To achieve the above object, the technical scheme of a kind of shielded cable locking head with filter function of the present utility model
It is：A kind of shielded cable locking head with filter function, including the hollow fixed seat for being used to install for cable, fixed seat bag
Internal locking section when including use in casing and outer locking section when using outside casing, in the inner chamber of the internal locking section
The magnet ring for being located on cable is provided with, being used for for the end that the shielding locking head also includes being arranged at fixed seat will be corresponding
Magnet ring fix magnet ring fixture.
Be respectively arranged with beam in the axial both sides of magnet ring in the inner chamber of the internal locking section, magnet ring fixture have with
Beam away from outer locking section is spacing to be coordinated to fix the confined planes of magnet ring.
The diameter of each beam is all higher than the diameter of magnet ring so that the beam extension for extending radially out magnet ring is squeezing
It is wrapped in during compressive strain on magnet ring.
The shielding jump ring for being located on cable is provided with the inner chamber of the outer locking section, the end of outer locking section connects
It is connected to the jump ring fixture for fixed mask jump ring.
Collision mat is provided with the outside of shielding jump ring in the inner chamber of the outer locking section, jump ring fixture passes through collision mat
Shielding jump ring is fixed in the inner chamber of outer locking section.
The beneficial effects of the utility model are：Magnet ring is integrated in fixed seat, simple in construction, small volume, magnetic during use
Ring is located on the outer wall of cable, and the harmonic wave of conducted emission caused by cable is filtered, the Electro Magnetic Compatibility of lifting system
Energy, is filtered in the connectivity port of cable and the inside of no longer part is filtered, and it is limited also to solve member interior space
The problem of inductor filter can not be implemented.
Brief description of the drawings
Fig. 1 is that a kind of structure of one embodiment of the shielded cable locking head with filter function of the present utility model is shown
It is intended to；
Fig. 2 is Fig. 1 internal structure schematic diagram；
Fig. 3 is Fig. 1 explosive view；
Fig. 4 is the mounting structure schematic diagram of magnet ring and beam；
Fig. 5 is the side view of Fig. 2 middle magnetic rings.
Embodiment
Embodiment of the present utility model is described further below in conjunction with the accompanying drawings.
A kind of specific embodiment of shielded cable locking head with filter function of the present utility model, as shown in Figure 1 to Figure 4 institute
Show, include the fixed seat of the hollow metal for being used to install for cable, the fixed seat of metal includes the internal locking in casing 1
Section 3 and the outer locking section 4 outside casing 1, internal locking section 3 are integrally formed with outer locking section 4.
Cable includes the first cable segment 12 for being not provided with screen layer inside casing 1 and setting outside casing 1
The second cable segment 13 of screen layer 14 is equipped with, the first cable segment 12 is located inside casing 1, do not set on the outer surface of this part cable
Screen layer is put, casing 1 can carry out metallic shield to it, is provided with the inner chamber of internal locking section 3 and be located on the first cable segment 12
On magnet ring 5, the end set of internal locking section 3 has a magnet ring fixture 8, in the axial both sides of magnet ring 5 in the inner chamber of internal locking section 3
The first beam 6 and the second beam 7 are respectively arranged with, the diameter of each beam is all higher than the diameter of magnet ring 5 so as to radially stretch
The beam extension 15 for going out magnet ring 5 is wrapped in crimp on magnet ring 5.Magnet ring fixture 8 is by beam by magnet ring 5
It is fixed in the inner chamber of internal locking section 3, it is the beam away from outer locking section 4 that magnet ring fixture 8, which has with the second beam 7,
It is spacing to coordinate to fix the confined planes of magnet ring 5.During installation, magnet ring fixture 8 is produced on axial direction during screwing
Thrust, deform upon beam, the parcel to magnet ring 5 is realized in the deformation, prevents from causing magnet ring 5 and fixed seat during vibrations
Collision.
It is different for application scenario, magnet ring can be adjusted according to wire harness and connection type and interference signal type,
According to interference type, realize to single core cable, the differential mode of multi-core cable, common mode filtering.Meanwhile can be according to the frequency of interference signal
The magnet ring of rate selection different frequency performance is filtered to corresponding interference signal.
Be provided with the inner chamber of outer locking section 4 shielding jump ring 9, shielding jump ring 9 can deformation vertically, shield the ring set of jump ring 9
In on the second cable segment 13, the end set of outer locking section 4 has a jump ring fixture 11, in shield card in the inner chamber of outer locking section 4
The outside of spring 9 is provided with collision mat 10, and jump ring fixture 11 is fixed on outer locking section 4 by collision mat 10 by jump ring 9 is shielded
In inner chamber.The force section 2 that nut structure is also wholely set between outer locking section 4 and internal locking section 3 is used for and the instrument such as spanner
Coordinate, the end face of the close internal locking section 3 of force section 2 forms the binding face being bonded with casing 1.
A kind of installation process of shielded cable locking head with filter function of the present utility model is：During installation, first
Fixed seat is tightened on casing 1 by force section 2, secondly will handle the second cable segment 13 well sequentially passes through shielding jump ring
9th, collision mat 10 and jump ring fixture 11, screw jump ring fixture 11 and fixed jump ring 9 is shielded, will enter again inside casing 1
The first cable segment 12 sequentially pass through the first beam 6, the beam 7 of magnet ring 5 and second, finally magnet ring fixture 8 is torqued-up to
In internal locking section 3, magnet ring 5 is fixedly secured, completes installation.Screen layer on second cable segment 13 realizes 360 degree of screens with casing
Connection is covered, while the first cable segment 12 also completes the perception filtering of magnet ring 5.
A kind of shielded cable locking head with filter function of the present utility model, on the basis of 360 degree of shieldings are ensured,
Magnet ring design is fixed on inside shielding locking head, realizes the filtering to cable interference signal, reduces transmission interference on cable
The energy of signal, reduce the pressure to cable shielding duty requirements.The shielding locking head design structure is simple, and magnet ring is fixed can
Lean on, internal structure complexity can be directed to, space is limited, the part of large volume inductance can not be used to be filtered in connectivity port.Together
When, magnet ring built in locking head can be selected according to interference signal type and frequency range, effectively improve the electromagnetic compatibility of system
Performance.
In other embodiment of the present utility model, the diameter of beam can also be identical with the diameter of magnet ring；Beam
Rope, which can also be provided with, to be used to accommodate magnet ring end to wrap up the recess of magnet ring end；Do not influenceing in use, beam can also
Only set one；It can also be not provided with shielding jump ring in the inner chamber of outer locking section；It can also be not provided with preventing in the inner chamber of outer locking section
Water cushion.
Claims (5)
1. a kind of shielded cable locking head with filter function, including the hollow fixed seat for being used to install for cable, fixed
Seat including the use of when internal locking section in casing and outer locking section when using outside casing, it is characterised in that：It is described
The magnet ring for being located on cable is provided with the inner chamber of internal locking section, the shielding locking head also includes being arranged at fixed seat
End for the magnet ring fixture of fixing corresponding magnet ring.
A kind of 2. shielded cable locking head with filter function according to claim 1, it is characterised in that：The internal lock
Beam is respectively arranged with the axial both sides of magnet ring in the inner chamber of tight section, magnet ring fixture has and subtracting away from outer locking section
Shake pad is spacing to be coordinated to fix the confined planes of magnet ring.
A kind of 3. shielded cable locking head with filter function according to claim 2, it is characterised in that：Subtract described in each
The diameter of shake pad is all higher than the diameter of magnet ring so that the beam extension for extending radially out magnet ring is wrapped in magnetic in crimp
On ring.
A kind of 4. shielded cable locking head with filter function according to claim any one of 1-3, it is characterised in that：
The shielding jump ring for being located on cable is provided with the inner chamber of the outer locking section, the end of outer locking section, which is connected with, to be used for
The jump ring fixture of fixed mask jump ring.
A kind of 5. shielded cable locking head with filter function according to claim 4, it is characterised in that：The external lock
Collision mat is provided with the inner chamber of tight section on the outside of shielding jump ring, jump ring fixture is fixed on by collision mat by jump ring is shielded
In the inner chamber of outer locking section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720088077.8U CN206697658U (en) | 2017-01-23 | 2017-01-23 | A kind of shielded cable locking head with filter function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720088077.8U CN206697658U (en) | 2017-01-23 | 2017-01-23 | A kind of shielded cable locking head with filter function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206697658U true CN206697658U (en) | 2017-12-01 |
Family
ID=60438775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720088077.8U Active CN206697658U (en) | 2017-01-23 | 2017-01-23 | A kind of shielded cable locking head with filter function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206697658U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108023559A (en) * | 2018-01-11 | 2018-05-11 | 煤炭科学技术研究院有限公司 | A kind of wave filter |
| CN108346904A (en) * | 2017-01-23 | 2018-07-31 | 郑州宇通客车股份有限公司 | Shielded cable locking head with filter function |
-
2017
- 2017-01-23 CN CN201720088077.8U patent/CN206697658U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108346904A (en) * | 2017-01-23 | 2018-07-31 | 郑州宇通客车股份有限公司 | Shielded cable locking head with filter function |
| CN108023559A (en) * | 2018-01-11 | 2018-05-11 | 煤炭科学技术研究院有限公司 | A kind of wave filter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 450061 Yudao Road, Guancheng District, Zhengzhou City, Henan Province Patentee after: Yutong Bus Co.,Ltd. Address before: 450016 Yutong Industrial Zone, eighteen Li River, Henan, Zhengzhou Patentee before: ZHENGZHOU YUTONG BUS Co.,Ltd. |
|
| CP03 | Change of name, title or address |