CN204481294U - 350 kilometer motor vehicle four-quadrant power models drive adaptation board wire harness - Google Patents
350 kilometer motor vehicle four-quadrant power models drive adaptation board wire harness Download PDFInfo
- Publication number
- CN204481294U CN204481294U CN201520224593.XU CN201520224593U CN204481294U CN 204481294 U CN204481294 U CN 204481294U CN 201520224593 U CN201520224593 U CN 201520224593U CN 204481294 U CN204481294 U CN 204481294U
- Authority
- CN
- China
- Prior art keywords
- wire harness
- motor vehicle
- adaptation board
- quadrant power
- connector
- 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.)
- Active
Links
Landscapes
- Insulated Conductors (AREA)
Abstract
The utility model relates to the transmission technology in high-power motor-car four-quadrant power model, is specially a kind of 350 kilometer motor vehicle four-quadrant power models and drives adaptation board wire harness.Solve that the signal disturbing that Signal transmissions wire harness that current locomotive control unit adopts exists is large, transfer function is weak, binding post crimping is unreliable and the technical problem such as the oxidation corrosion of terminal.A kind of 350 kilometer motor vehicle four-quadrant power models drive adaptation board wire harness, comprise the wire harness adopting winding displacement production method to make by four coaxial cables, be arranged with a silicone rubber sleeve outside wire harness, the two ends of wire harness all stretch out silicone rubber sleeve and two ends are all connected with a connector; Be fixed together with epoxy resin embedding adhesive between connector and coaxial cable.The utility model adopts coaxial cable distributing signal, not only can reduce number of cables, simplifies configuration, saves space, but also reduces the cost of material significantly.
Description
Technical field
The utility model relates to the transmission means in high-power motor-car four-quadrant power model, is specially a kind of 350 kilometer motor vehicle four-quadrant power models and drives adaptation board wire harness.
Background technology
Along with the development of electronic technology and motor-car alternating-current technique, and the extensive use of high-power IGBT on current transformer, power cell as the core component of whole current transformer, also just towards the future development of high frequency, miniaturization, intellectuality, high reliability.The command signal that locomotive control unit sends needs could arrive power cell through the transmission of certain distance, and can the situation of Signal transmissions the work of normal reliable by being related to current transformer.Traditional method adopts twisted-pair shielded wire composition wire harness, by the connection of binding post, carries out the transmission of signal.But this wire harness Problems existing is: the 1. oxidation corrosion of the unreliable 4. terminal of the large 2. transfer function weak 3. binding post crimping of signal disturbing 5. the dealing with improperly of screen
,6. number of cables is more easily to cause short circuit, easily makes wire size fasten one person's story upon another person and is 7. electrically connected the shortcomings such as the too fat to move 9. installation and maintenance inconvenience of 8. structure, poor reliability that misplace.
In order to overcome the deficiency of classical signal transmission, just need electric connecting mode is adopted to new method, introduces new material, uses new technology, to meet the development of power cell high frequency, miniaturization, intellectuality, high reliability.
Summary of the invention
The signal disturbing that the Signal transmissions wire harness that the utility model adopts for the current locomotive control unit of solution exists is large, transfer function is weak, binding post crimping is unreliable and terminal exists the technical problems such as oxidation corrosion, provides a kind of 350 kilometer motor vehicle four-quadrant power models to drive adaptation board wire harness.
The utility model devises a kind of transmission structure (driving adaptation board wire harness) be applicable in high-power motor-car four-quadrant power model, have employed the syndeton that a kind of globality is stronger, achieve signal correctly, reliably to transmit, decrease module volume, and there is Anti-misplug function, improve the reliability of power model work.
The utility model realizes by the following technical solutions: a kind of 350 kilometer motor vehicle four-quadrant power models drive adaptation board wire harness, comprise the wire harness adopting winding displacement production method to make by four coaxial cables, be arranged with a silicone rubber sleeve outside wire harness, the two ends of wire harness all stretch out silicone rubber sleeve and two ends are all connected with a connector.
Wire harness described in the utility model is applicable to the four-quadrant power model of the single-phase four-quadrant rectification circuit of employing two level, and major function is transmission: 1. gate signal 2. 15V power supply signal 3. short-circuit protection detection signal 4. clamp circuit signal.After adaptation board accepts the control signal from current transformer control unit (TCU), by PWM control algolithm, generate the control signal (comprising driving time, the turn-off time, Dead Time etc.) of IGBT; Drive plate as execution unit, the signal of response impulse adaptation board, the action of driving switch pipe.
This wire harness needs the signal of transmission to have above-mentioned 4 classes, and for the IGBT (Fig. 1) of the single-phase four-quadrant rectification circuit of composition, every block IGBT drive plate must have independently power supply and drive control signal.In order to the wiring of simplified control system, the multichannel adopting 8 these type of wire harness of bundle to realize signal is distributed.Like this, control system only needs to provide 1 road power supply signal, and for 2 IGBT of same brachium pontis, also only need provide a road drive control signal, thus a drive plate can control 2 independently IG
bt driver element.The transmission speed of coaxial cable can reach hundreds of Mb/s, and transmits data stabilization.The interior spindle guide body of every root coaxial cable and its peripheral metal netting twine common transport one group of signal.Therefore the utility model effectively can improve transmission rate, and can improve the signal stabilization in transmitting procedure.Adopt coaxial cable to make harness-integrated, can number of cables be reduced, save space, simplified topology.Four coaxial cables adopt winding displacement production method, and be connected with other parts by connector, what improve wire harness and each parts crimps reliability, avoids the oxidation corrosion of terminal, also effectively prevent electrical connection dislocation simultaneously, solve the problem of installation and maintenance inconvenience.Silicone rubber sleeve and coaxial cable fit tightly, and ensure that coaxial cable can not be scattered.
Further, be fixed together with epoxy resin embedding adhesive between connector and coaxial cable.
Casting glue position is positioned at the side of connector near silicone rubber sleeve.Epoxy resin embedding adhesive adopts bicomponent epoxy resin glue, and its host and curing agent separate packing and deposit, and carry out AB mixing match with front 4:1 in mass ratio, just can carry out embedding operation after stirring.Casting glue belongs to liquid before uncured, has good mobility, easily penetrates in the gap of product, and colloid itself is corrosion-free for metal, cable, electronic devices and components and working of plastics.Colloid can solidify under normal temperature or medium temperature condition, and curing rate is moderate.Solidification rear surface bubble-free, light, smooth, do not ftracture.Finished product thermal diffusivity is good, and hardness is high, strong to the resistance of external shock, vibrations.It avoid the direct exposure of device, improve the performances such as the waterproof of device, protection against the tide, anticorrosion, also improve between internal components, circuit and insulate.The environmental protection flame retardant of material own, acid-proof alkaline is good, wet-heat resisting and atmospheric aging, nontoxic, meets harsh environmental requirement.
The use of casting glue, make product have good globality, and its density is lower, is also conducive to device miniaturization, light-weight design.
Further, silicone rubber sleeve is outside has tied up bright and beautiful silk rope in the position near its two ends.
Further, coaxial cable adopts 50 Ω coaxial cables, and connector adopts 16 15 core Square Connectors.
The connection device selected gets the feature of stating ready:
1. can Nai Genggao voltage and electric current, have better diamagnetism, corrosion resistance, can also dust-proof, waterproof, against shock etc.;
2. volume is little, lightweight, contacts even density high, inserts the interfacial seal of core face, scoop proof design;
3. screw thread connects fast and is with anticreep fitting mechanism, resistance to high vibration and impact.
Utilize 50 Ω coaxial cables to make this type of wire harness, object is that the mesh wire of coaxial cable is used as independently wire, can well intercept extraneous electromagnetic interference.
When connecting up, 1. the bending radius of wire harness is large as far as possible, and least radius is 25mm, and excessive bending can cause signal attenuation excessive, affects Signal transmissions; 2. adopt coaxial cable signal transmission short to be as far as possible conducive to reducing the stray inductance of wire harness, reduce the fluctuation of drive singal, driving high-frequency square-wave signal is stablized, ensures switch regular event.
The design and application of driving adaptation board wire harness described in the utility model, has following beneficial effect:
1) adopt coaxial cable distributing signal, not only can reduce number of cables, simplify configuration, save space, but also reduce the cost of material significantly;
2) adopt the connected mode of the good plugs and sockets of globality, be convenient to installation, maintenance and replacing, reduce maintenance cost;
3) adopt epoxy pouring sealant, make connection more firm, also increase the resistance of the environment to external world of parts; Avoid the external junction of connector in the past to seal not, be subject to water and dust corrosion, the phenomenon of easy short circuit;
4) have employed the connector (i.e. plug) with positioning key, there is good Anti-misplug function.
Accompanying drawing explanation
Fig. 1 the utility model is applied to structural representation when connecting drive circuit board and adapter circuit plate.
Fig. 2 the utility model structural representation.
1-wire harness, 2-silicone rubber sleeve, 3-connector, 4-brocade silk rope, 5-identifies thermoplastic tube, 6-drive circuit board, 7-adapter circuit plate, 8-casting glue position, and 9-350 kilometer motor vehicle four-quadrant power model drives adaptation board wire harness, 10-bolt.
Embodiment
A kind of 350 kilometer motor vehicle four-quadrant power models drive adaptation board wire harness, comprise the wire harness 1 adopting winding displacement production method to make by four coaxial cables, be arranged with a silicone rubber sleeve 2 outside wire harness 1, silicone rubber sleeve 2 is all stretched out at the two ends of wire harness 1 and two ends are all connected with a connector 3.
Be fixed together with epoxy resin embedding adhesive between connector 3 and coaxial cable.
Bright and beautiful silk rope 4 has been tied up in the position near its two ends in silicone rubber sleeve 2 outside.
Coaxial cable adopts 50 Ω coaxial cables, and connector 3 adopts 16 15 core Square Connectors.
Outside silicone rubber sleeve 1, also cover has mark thermoplastic tube 5.
Four-quadrant power model described in the utility model drives the various performance index of adaptation board wire harness all to reach designing requirement.
Drive adaptation board wire harness major part composed as follows:
(a) 16 15 core Square Connectors (band contact pin);
(b) 8 wire harness (every root wire harness controls 1 IGBT driver element);
C () dielectric strength is silicon rubber (resin) sleeve pipe of 10kV;
(d) 50 Ω coaxial cable;
(e) related accessories (as thermoplastic tube, bright and beautiful silk rope, label etc.).
In Fig. 2, the one end with IGBT mark is connected on adaptation board, and the one end with Driver mark is connected on drive plate.Because the meaning of two kinds of circuit board connector pins is completely different, so must be distinguished with label.Mark thermoplastic tube 5 can be write the concrete production information of product exactly.The object using bright and beautiful silk rope 4 in figure prevents cable slack, avoids the in use contact pin of wire harness to connector 3 to cause the pulling force of destruction, available protecting wire harness complete, compact.Brocade silk is restricted after neat colligation, will carry out dipping lacquer solidification process, prevent loose coming off to it.Use the silicone sleeve that dielectric strength is 10kV, effective insulation and protective action are served to wire harness entirety.Each drive plate connects two these type of wire harness, and transfer control signal gives 2 IGBT drive circuit of same brachium pontis respectively.Position when number in the figure 8 is casting glue, connector is connected with band link by bolt 10.
Claims (6)
1. a kilometer motor vehicle four-quadrant power model drives adaptation board wire harness, it is characterized in that, comprise the wire harness (1) adopting winding displacement production method to make by four coaxial cables, be arranged with a silicone rubber sleeve (2) outside wire harness (1), silicone rubber sleeve (2) is all stretched out at the two ends of wire harness (1) and two ends are all connected with a connector (3).
2. 350 kilometer motor vehicle four-quadrant power models as claimed in claim 1 drive adaptation board wire harness, it is characterized in that, are fixed together between connector (3) and coaxial cable with epoxy resin embedding adhesive.
3. 350 kilometer motor vehicle four-quadrant power models as claimed in claim 1 or 2 drive adaptation board wire harness, it is characterized in that, silicone rubber sleeve (2) is outside has tied up bright and beautiful silk rope (4) in the position near its two ends.
4. 350 kilometer motor vehicle four-quadrant power models as claimed in claim 1 or 2 drive adaptation board wire harness, and it is characterized in that, coaxial cable adopts 50 Ω coaxial cables, and connector (3) adopts 16 15 core Square Connectors.
5. 350 kilometer motor vehicle four-quadrant power models as claimed in claim 3 drive adaptation board wire harness, and it is characterized in that, coaxial cable adopts 50 Ω coaxial cables, and connector (3) adopts 16 15 core Square Connectors.
6. 350 kilometer motor vehicle four-quadrant power models as claimed in claim 1 or 2 drive adaptation board wire harness, it is characterized in that, there is mark thermoplastic tube (5) in silicone rubber sleeve (1) outside also cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520224593.XU CN204481294U (en) | 2015-04-15 | 2015-04-15 | 350 kilometer motor vehicle four-quadrant power models drive adaptation board wire harness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520224593.XU CN204481294U (en) | 2015-04-15 | 2015-04-15 | 350 kilometer motor vehicle four-quadrant power models drive adaptation board wire harness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204481294U true CN204481294U (en) | 2015-07-15 |
Family
ID=53637069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520224593.XU Active CN204481294U (en) | 2015-04-15 | 2015-04-15 | 350 kilometer motor vehicle four-quadrant power models drive adaptation board wire harness |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204481294U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114400114A (en) * | 2021-12-14 | 2022-04-26 | 中车永济电机有限公司 | High-voltage-resistance double-shielding wire harness set suitable for IGBT control signal transmission |
-
2015
- 2015-04-15 CN CN201520224593.XU patent/CN204481294U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114400114A (en) * | 2021-12-14 | 2022-04-26 | 中车永济电机有限公司 | High-voltage-resistance double-shielding wire harness set suitable for IGBT control signal transmission |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2022247841A1 (en) | Electric drive system three-phase terminal block and vehicle | |
| CN109217050A (en) | A kind of high-performance enginer CA cable assembly | |
| CN102544874A (en) | Sealed cable connector | |
| CN204481294U (en) | 350 kilometer motor vehicle four-quadrant power models drive adaptation board wire harness | |
| CN208970853U (en) | A kind of SFP high-speed electrical connectors | |
| CN202772278U (en) | Connector for connecting high-current cable | |
| CN208939284U (en) | It is a kind of can multiple groups wiring rail traffic connector assembly | |
| CN201113116Y (en) | Sensor connecting device | |
| CN115296235B (en) | Non-adhesive junction box | |
| CN206313406U (en) | A kind of bus duct that can be disconnected automatically | |
| CN206340751U (en) | A kind of automobile HSD connectors of switching USB2.0 interfaces | |
| CN210806712U (en) | Cable joint | |
| CN102882057A (en) | Low-voltage connector for motor vehicle | |
| CN209169581U (en) | For the integrated low-voltage signal adapter in electric locomotive converter cabinet | |
| CN202817362U (en) | Locomotive low-voltage connector | |
| CN210576731U (en) | New energy automobile high pressure pencil | |
| CN209169578U (en) | Anti-interference navigation USB data line resistant to bending | |
| CN220009682U (en) | Multi-wire-bundle combined automobile electronic wire bundle | |
| CN206041168U (en) | Waterproof automobile wire harness | |
| CN206726936U (en) | A kind of Large Copacity inductor of dependable performance | |
| CN203071545U (en) | Heat-shrinkable cable terminal | |
| CN216389760U (en) | Compact water blocking device | |
| CN207852342U (en) | A kind of protection type cable | |
| CN212209909U (en) | Power supply control loop device of high-power traction power module | |
| CN202523928U (en) | Integrated wiring harness |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 044500 Yongji City, Shanxi Province, the city of motor street, No. 18, No. Patentee after: CRRC YONGJI ELECTRIC CO., LTD. Address before: 044500 Yongji City, Shanxi Province, the city of motor street, No. 18, No. Patentee before: Yongji Xinshisu Motor Electrical Appliance Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder |