CN103944009B - There is the integrated wire harness of high voltage protection function - Google Patents
There is the integrated wire harness of high voltage protection function Download PDFInfo
- Publication number
- CN103944009B CN103944009B CN201410199237.7A CN201410199237A CN103944009B CN 103944009 B CN103944009 B CN 103944009B CN 201410199237 A CN201410199237 A CN 201410199237A CN 103944009 B CN103944009 B CN 103944009B
- Authority
- CN
- China
- Prior art keywords
- wire
- bellows component
- circuit plate
- balanced circuit
- bellows
- 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
- Fuses (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
The present invention relates to have the integrated wire harness of high voltage protection function, comprise left joint, left wire bellows component, low-pressure injection molding packaging plastic part, mu balanced circuit plate, thermoplastic sleeve pipe, right wire bellows component and right connector, mu balanced circuit plate is connected with the wire of left wire bellows component and the wire of right wire bellows component respectively, be connected with the mu balanced circuit plate encapsulation low-pressure injection molding packaging plastic part of wire, on it, be set with again the bellows of left wire bellows component and the bellows of right wire bellows component, its outermost layer parcel thermoplastic sleeve pipe, left wire bellows component is connected with left joint, right wire bellows component is connected with right connector. 5V ± 0.5V when normal work, the direct conducting of circuit, does not affect whole sensor function, supply voltage is higher than 5.5V, mu balanced circuit plate by lower voltage to operating voltage range, bear high pressure and reach 50V, can repeatedly bear high-voltage impact, can bear the high-voltage impact of continuation.
Description
Technical field
The present invention relates to a kind of integrated wire harness with high voltage protection function, belong to electronic accelerator pedal circuit high pressure protector technical field.
Background technology
At present, electronic accelerator pedal great majority adopt the sensor of Hall effect principle work, and normal operating voltage is at about 5 volts, and the voltage that its circuit design and the electronic devices and components major part of selecting are born is limited. But some specific use engineering truck, its operating mode very severe, offer the spread of voltage of electronic accelerator pedal, as voltage between the high pressure of moment, static and electric wire is ganged up mutually, exceed sensor electronic components and parts bearing capacity, lost efficacy thereby electronic accelerator pedal sensor is produced, and caused vehicle normally to work.
On existing sensor device circuit board, high voltage protective technology is provided by the diode protection element on pcb board. But living through after an impacting with high pressure, protection will be lost efficacy, so be again subject in the situation of impacting with high pressure, just there will be sensor to be burnt, the phenomenon that electronic accelerator pedal lost efficacy. The problem points existing has: the high voltage limit ability of 1) bearing is low, at most only to 24V; 2) can only bear impacting with high pressure one time, holding circuit will be burnt; 3), after burning, whole sensor will lose efficacy and scrap, and brought the inconvenience of replacing; 4) client maintenance inconvenience, affects the normal progress of work.
Summary of the invention
The object of the invention is to overcome the deficiency that prior art exists, a kind of integrated wire harness with high voltage protection function is provided, do not changing under the prerequisite of Sensor Design, guarantee that sensor moves under stable operating voltage.
Object of the present invention is achieved through the following technical solutions:
There is the integrated wire harness of high voltage protection function, feature is: comprise left joint, left wire bellows component, low-pressure injection molding packaging plastic part, mu balanced circuit plate, thermoplastic sleeve pipe, right wire bellows component and right connector, mu balanced circuit plate is connected with the wire of left wire bellows component and the wire of right wire bellows component respectively, be connected with the mu balanced circuit plate encapsulation low-pressure injection molding packaging plastic part of wire, on it, be set with again the bellows of left wire bellows component and the bellows of right wire bellows component, its outermost layer parcel thermoplastic sleeve pipe, left wire bellows component is connected with left joint, right wire bellows component is connected with right connector.
Further, the above-mentioned integrated wire harness with high voltage protection function, wherein, described mu balanced circuit plate comprise pcb board with and two sides, front and back the first voltage stabilizing chip and the second voltage stabilizing chip that mount.
Further, the above-mentioned integrated wire harness with high voltage protection function, wherein, and the red wire connecting power end of described mu balanced circuit plate, white wire connects earth terminal.
Again further, the above-mentioned integrated wire harness with high voltage protection function, wherein, the wire termination crimp type terminal of described left wire bellows component, is connected with left joint by terminal; The wire termination crimp type terminal of described right wire bellows component, is connected with right connector by terminal.
The substantive distinguishing features that technical solution of the present invention is outstanding and significantly progressive being mainly reflected in:
1., when the present invention normally works, the direct conducting of circuit, does not affect whole sensor function; Bear high pressure and reach 50V, can repeatedly bear high-voltage impact, can bear the high-voltage impact of continuation; Low-pressure injection molding packaging plastic part ensures reliability, long service life;
2. high voltage protective unit and wire harness combine, and do not affect the existing appearance design of pedal or sensor, do not affect client assembling, damage and are easy to debugging replacing; Can be applicable on different electronic accelerator pedal products, highly versatile, has protected electronic accelerator pedal applying working condition stability greatly;
3. voltage stabilizing chip ensures the normal working voltage of sensor; protect sensor internal operating circuit; voltage stabilizing chip position adopts the low-pressure injection molding packaging plastic part encapsulation that reliability is very strong, has greatly strengthened the functional reliability under severe working environment, increases the service life of product.
Brief description of the drawings
Below in conjunction with accompanying drawing, technical solution of the present invention is described further:
Fig. 1: decomposition texture schematic diagram of the present invention;
Fig. 2: the decomposition texture schematic diagram of mu balanced circuit plate;
Fig. 3: the wiring schematic diagram of mu balanced circuit plate;
Fig. 4: the schematic diagram after the present invention's assembling.
Detailed description of the invention
As Fig. 1, shown in Fig. 2, there is the integrated wire harness of high voltage protection function, it is characterized in that: comprise left joint 10, left wire bellows component 20, low-pressure injection molding packaging plastic part 30, mu balanced circuit plate 40, thermoplastic sleeve pipe 50, right wire bellows component 60 and right connector 70, mu balanced circuit plate 40 comprise pcb board 42 with and two sides, front and back the first voltage stabilizing chip 41 and the second voltage stabilizing chip 43 that mount, mu balanced circuit plate 40 is connected with the wire of left wire bellows component 20 and the wire of right wire bellows component 60 respectively, the mu balanced circuit plate 40 that is connected with wire encapsulates low-pressure injection molding packaging plastic part 30, on it, be set with again the bellows of left wire bellows component 20 and the bellows of right wire bellows component 60, its outermost layer parcel thermoplastic sleeve pipe 50, the wire termination crimp type terminal of left wire bellows component 20, is connected with left joint 10 by terminal, and the wire termination crimp type terminal of right wire bellows component 60, is connected with right connector 70 by terminal, as shown in Figure 4.
As shown in Figure 3, red wire connecting power end conductive hole 421 and the power end conductive hole 422 of mu balanced circuit plate 40, white wire connects earth terminal conductive hole 423 and earth terminal conductive hole 424. Mu balanced circuit plate can to two groups independently supply voltage carry out voltage stabilizing work.
Concrete assembly and connection technique is:
The first voltage stabilizing chip 41 and the second voltage stabilizing chip 43 are sticked to form mu balanced circuit plate 40 by SMT technique and pcb board 42; And carry out ICT test;
Mu balanced circuit plate 40 is connected by manual welding with the wire of left wire bellows component 20 and the wire of right wire bellows component 60 respectively, and as Fig. 3 order, red wire connects 421 and 422, and white wire connects 423 and 424; Weld and carried out continuity test;
The wire of the mu balanced circuit plate after having welded and the wire of left wire bellows component 20 and right wire bellows component 60, adopts low-pressure injection molding packaging plastic part 30 to encapsulate; Improve Function in Environmental;
And then overlap the bellows of upper left wire bellows component 20 and the bellows of right wire bellows component 60, and thermoplastic sleeve pipe 50 with gum, with drying rifle heating, thermoplastic sleeve pipe is shunk;
At the conductor wire end of left wire bellows component 20 and right wire bellows component 60 crimp type terminal respectively, then be connected with left joint 10 and right connector 70 and sealing ring, be assembled into finished product; Finally finished product is carried out to continuity test again.
When concrete application, left joint 10 is connected with electronic accelerator pedal sensor, right connector 70 is connected with Engine ECU power supply circuits, under nominal situation, when 5 volts of operating voltages, the direct-connected conducting of whole wire harness, voltage stabilizing chip does not participate in work, and under complex working condition, operate outside voltage causes instantaneous pressure to occur, while being greater than 5 volts of normal working voltages (as 12 volts, 36 volts, 50 volts, when even backward voltage occurs), the first voltage stabilizing chip 41 and the second voltage stabilizing chip 43 are started working, by input voltage clamper at about 5.5 volts, thereby ensure the normal working voltage of sensor, protect sensor internal operating circuit. this high voltage protection function wire harness, voltage stabilizing chip position adopts the very strong low-pressure injection molding packaging plastic part 30 of reliability to encapsulate, and has greatly strengthened the functional reliability under severe working environment, increases the service life of product. after this high voltage protection wire harness and electronic accelerator pedal assembling, can under connection status, complete the integrated testing of testboard, guarantee the reliability of electronic accelerator pedal entirety.
Do not changing under the prerequisite of Sensor Design, guaranteeing that sensor moves under stable operating voltage, while normally work, the direct conducting of circuit, does not affect whole sensor function; Bear high pressure and reach 50V, can repeatedly bear high-voltage impact, can bear the high-voltage impact of continuation; Low-pressure injection molding packaging plastic part ensures reliability, long service life. In addition, high voltage protective unit and wire harness combine, and do not affect the existing appearance design of pedal or sensor, do not affect client assembling, damage and are easy to debugging replacing; Can be applicable on different electronic accelerator pedal products, highly versatile, has protected electronic accelerator pedal applying working condition stability greatly.
It is emphasized that: be only preferred embodiment of the present invention above, not the present invention is done to any pro forma restriction, any simple modification, equivalent variations and modification that every foundation technical spirit of the present invention is done above embodiment, all still belong in the scope of technical solution of the present invention.
Claims (1)
1. the integrated wire harness with high voltage protection function, is characterized in that: comprise left joint (10),Left wire bellows component (20), low-pressure injection molding packaging plastic part (30), mu balanced circuit plate (40), heatMould sleeve pipe (50), right wire bellows component (60) and right connector (70), mu balanced circuit plate (40) connect with the wire of left wire bellows component (20) and the wire of right wire bellows component (60) respectivelyConnect, be connected with mu balanced circuit plate (40) the encapsulation low-pressure injection molding packaging plastic part (30) of wire, on it, overlap againThe bellows of left wire bellows component (20) and the bellows of right wire bellows component (60) are housed,Its outermost layer parcel thermoplastic sleeve pipe (50), left wire bellows component (20) is connected with left joint (10), right wire bellows component (60) is connected with right connector (70);
Described mu balanced circuit plate (40) comprise pcb board (42) with and the first voltage stabilizing core of mounting of two sides, front and backSheet (41) and the second voltage stabilizing chip (43);
The red wire connecting power end of described mu balanced circuit plate (40), white wire connects earth terminal;
The wire termination crimp type terminal of described left wire bellows component (20), by terminal and left joint (10) connect;
The wire termination crimp type terminal of described right wire bellows component (60), by terminal and right connector (70) connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410199237.7A CN103944009B (en) | 2014-05-13 | 2014-05-13 | There is the integrated wire harness of high voltage protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410199237.7A CN103944009B (en) | 2014-05-13 | 2014-05-13 | There is the integrated wire harness of high voltage protection function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103944009A CN103944009A (en) | 2014-07-23 |
| CN103944009B true CN103944009B (en) | 2016-05-25 |
Family
ID=51191562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410199237.7A Active CN103944009B (en) | 2014-05-13 | 2014-05-13 | There is the integrated wire harness of high voltage protection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103944009B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107894513B (en) * | 2017-10-19 | 2020-04-07 | 宁波中车时代传感技术有限公司 | Hall speed sensor for rail transit and manufacturing method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0865130A1 (en) * | 1997-03-14 | 1998-09-16 | Sumitomo Wiring Systems, Ltd. | Corrugated tube and wire harness having the tube as a cover |
| CN103018473A (en) * | 2011-09-22 | 2013-04-03 | 浙江汉博汽配制造有限公司 | Hall type ABS (anti-lock braking system) sensor |
| CN203326324U (en) * | 2013-07-10 | 2013-12-04 | 昆山君磊电器有限公司 | One-piece integrated wiring harness for electric vehicles |
| CN203895702U (en) * | 2014-05-13 | 2014-10-22 | 威廉姆斯(苏州)控制***有限公司 | Integrated wire harness provided with high-voltage protection function |
-
2014
- 2014-05-13 CN CN201410199237.7A patent/CN103944009B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0865130A1 (en) * | 1997-03-14 | 1998-09-16 | Sumitomo Wiring Systems, Ltd. | Corrugated tube and wire harness having the tube as a cover |
| CN103018473A (en) * | 2011-09-22 | 2013-04-03 | 浙江汉博汽配制造有限公司 | Hall type ABS (anti-lock braking system) sensor |
| CN203326324U (en) * | 2013-07-10 | 2013-12-04 | 昆山君磊电器有限公司 | One-piece integrated wiring harness for electric vehicles |
| CN203895702U (en) * | 2014-05-13 | 2014-10-22 | 威廉姆斯(苏州)控制***有限公司 | Integrated wire harness provided with high-voltage protection function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103944009A (en) | 2014-07-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203562539U (en) | PCB wire connector terminal | |
| CN105403784A (en) | High voltage interlocking detection system for new energy automobile | |
| CN103944009B (en) | There is the integrated wire harness of high voltage protection function | |
| CN203895702U (en) | Integrated wire harness provided with high-voltage protection function | |
| CN103066457B (en) | A kind of modular connector | |
| CN203562536U (en) | Lead structure used for PCB terminal | |
| CN201690091U (en) | Lightning-protection filter adapter | |
| CN205123240U (en) | Electrostatic protection circuit is prevented to mainboard | |
| CN204441566U (en) | A kind of connector with anti-loose structure | |
| CN204012086U (en) | There is the data wire of switch and circuit protection | |
| CN202602269U (en) | Protection circuit of elevator system communication interface | |
| CN206400845U (en) | The failure setting device of automotive electronic control system system | |
| CN207975165U (en) | A kind of electric clutch assembly | |
| CN205319485U (en) | Signal cable coupling assembling of nai mode of vibration | |
| CN203491426U (en) | Heavy current connector | |
| CN204372280U (en) | A kind of automobile-used DC electromagnetic valve and the components and parts protective gear that is connected thereof | |
| CN205900851U (en) | USB female socket | |
| CN204272449U (en) | A kind of LED driver | |
| CN202548148U (en) | Two-shaft acceleration transducer device for commercial vehicle | |
| CN206236866U (en) | A kind of RJ45 connectors for indoor lightning protection | |
| CN209389252U (en) | Lock pin | |
| CN201926667U (en) | Rotation speed sensor | |
| CN202259808U (en) | Valve plug | |
| CN104394679A (en) | Circuit capable of reducing influence of strong electrical field during coexistence of strong and weak electricity | |
| CN105356073A (en) | Automotive wiring harness |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |