CN203941182U - A kind of modified wheel speed sensors - Google Patents
A kind of modified wheel speed sensors Download PDFInfo
- Publication number
- CN203941182U CN203941182U CN201420313062.3U CN201420313062U CN203941182U CN 203941182 U CN203941182 U CN 203941182U CN 201420313062 U CN201420313062 U CN 201420313062U CN 203941182 U CN203941182 U CN 203941182U
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- connecting line
- sensing head
- holder
- tablet
- hose adapter
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Abstract
The utility model provides a kind of modified wheel speed sensors, belongs to sensor technical field.This modified wheel speed sensors comprises body, wire harness and be arranged on this external magnet steel, body comprises holder and is arranged on the sensing head of holder front end, wire harness comprises the first connecting line, the second connecting line, the first hose adapter, the second hose adapter, the holder rear end formation boss that stretches out, on the lateral surface of boss, be evenly distributed with in some annular grooves and each annular groove and be all embedded with O-ring seal, holder rear end and the first connecting line front end are connected, sensing head is made up of connecting portion and tablet, connecting portion and holder front end are connected, on tablet, offer with sensing head and stretch out at least one sensitive surface that direction be arranged in parallel, in sensing head, be sealedly connected with Hall chip, tablet, connecting portion, boss, the first connecting line coaxially arranges.This modified wheel speed sensors has advantages of that volume is little, reliable and stable, long service life.
Description
Technical field
The utility model belongs to sensor technical field, relates to a kind of modified wheel speed sensors.
Background technology
In the ABS system of Hyundai Motor, be all provided with induction wheel speed sensors, it can be arranged in main reducing gear or variator.The magnet steel that wheel speed sensors generally comprises chip, wire harness and coordinates with chip, its output signal is Digital Square-Wave, and signal is passed to ECU by wire harness, in order to control the brake pressure of each wheel, make wheel keep steering capability in the time of braking, be unlikely to cause the phenomenons such as vehicle rollover to occur.
Above-mentioned ECU (Electronic Control Unit) electronic control unit, claims again " car running computer ", " vehicle-mounted computer " etc., is automobile specified microcomputerized controller from purposes.It is the same with common computer, is made up of large scale integrated circuits such as microprocessor (CPU), storer (ROM,, RAM), input/output interface (I/O), analog to digital converter (A/D) and shaping, drivings.Describe to be exactly " ECU is exactly the brain of automobile " with a simple simon says.
In prior art, most wheel speed sensors is set directly at magnet steel on the sensing head of sensor, makes sensor internal structure complicated, thereby makes the volume of overall wheel speed sensors larger.In addition, the sensing head operated by rotary motion of sensor is vertical with wire harness to be arranged or is obliquely installed, and makes the pin of the chip of sensing head inside need bending, uses for a long time and easily causes chip impaired, affect the job stability of sensor, reduced the serviceable life of sensor.
In sum, for solving the structural deficiency of existing wheel speed sensors, need to design that a kind of volume is little, reliable and stable, the modified wheel speed sensors of long service life.
Summary of the invention
The purpose of this utility model is to have the problems referred to above for existing technology, has proposed that a kind of volume is little, reliable and stable, the modified wheel speed sensors of long service life.
The purpose of this utility model can realize by following technical proposal: a kind of modified wheel speed sensors, comprise body, wire harness and be arranged on this external magnet steel, described body comprises holder and is arranged on the sensing head of holder front end, described wire harness comprises the first connecting line, the second connecting line, the first hose adapter, the second hose adapter, the described holder rear end formation boss that stretches out, on the lateral surface of described boss, be evenly distributed with in some annular grooves and each annular groove and be all embedded with O-ring seal, described holder rear end and the first connecting line front end are connected, between described the first connecting line rear end and the second connecting line, be provided with the first installation buckle, between described the second connecting line and the first hose adapter, be provided with the second installation buckle, between described the first hose adapter and the second hose adapter front end, be connected with the 3rd connecting line, described the second hose adapter rear end is fixed with electric connector, described sensing head is made up of the connecting portion being connected as a single entity and tablet, described connecting portion and holder front end are connected, described tablet both sides are respectively equipped with stiffening plate and each stiffening plate all contacts with connecting portion, on described tablet, offer with sensing head and stretch out at least one sensitive surface that direction be arranged in parallel, in described sensing head, be sealedly connected with Hall chip and Hall chip, sensitive surface, the first connecting line three electrical connection, described tablet, connecting portion, boss, the first connecting line coaxially arranges.
In above-mentioned a kind of modified wheel speed sensors, the quantity of described annular groove is three, and described the 3rd connecting line is cable.
Compared with prior art, in the utility model magnet steel be arranged on external, thereby make integral sensors inner structure more succinct, reduced sensor bulk; Sensing head and wire harness almost coaxial arrange, and make the pin of inner Hall chip without bending, have avoided to greatest extent Hall chip because bending causes damaging or implicit damage, and working sensor process stabilization is reliable, has improved the index of aging of sensor.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model one preferred embodiment.
Fig. 2 is the structural representation of body in the utility model one preferred embodiment.
Fig. 3 is the front elevation of body in the utility model one preferred embodiment.
Fig. 4 is the vertical view of body in the utility model one preferred embodiment.
In figure, 10, body; 11, holder; 12, sensing head; 121, connecting portion; 122, tablet; 1221, sensitive surface; 123, stiffening plate; 13, boss; 131, annular groove; 20, wire harness; 21, the first connecting line; 22, the second connecting line; 23, the first hose adapter; 24, the second hose adapter; 25, the 3rd connecting line; 26, electric connector; 31, first buckle is installed; 32, second buckle is installed.
Embodiment
Be below specific embodiment of the utility model by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.It should be noted that for purposes of clarity, in accompanying drawing and explanation, omitted with the utility model irrelevant, expression and the description of parts known to persons of ordinary skill in the art or processing.
As shown in Figures 1 to 4, this modified wheel speed sensors comprises body 10, wire harness 20 and be arranged on the magnet steel (not shown) outside body 10, body 10 comprises holder 11 and is arranged on the sensing head 12 of holder 11 front ends, wire harness 20 comprises the first connecting line 21, the second connecting line 22, the first hose adapter 23, the second hose adapter 24, holder 11 rear ends stretch out and form boss 13, on the lateral surface of boss 13, be evenly distributed with the interior O-ring seal that is all embedded with of multiple annular grooves 131 and each annular groove 131, holder 11 rear ends and the first connecting line 21 front ends are connected, between the first connecting line 21 rear ends and the second connecting line 22, be provided with the first installation buckle 31, between the second connecting line 22 and the first hose adapter 23, be provided with the second installation buckle 32, between the first hose adapter 23 and the second hose adapter 24 front ends, be connected with the 3rd connecting line 25, the second hose adapter 24 rear ends are fixed with electric connector 26, sensing head 12 is made up of the connecting portion 121 being connected as a single entity and tablet 122, connecting portion 121 is connected with holder 11 front ends, tablet 122 both sides are respectively equipped with stiffening plate 123 and each stiffening plate 123 all contacts with connecting portion 121, on tablet 122, offer with sensing head 12 and stretch out at least one sensitive surface 1221 that direction be arranged in parallel, in sensing head 12, be sealedly connected with Hall chip (not shown) and Hall chip, sensitive surface 1221, first connecting line 21 three's electrical connections, tablet 122, connecting portion 121, boss 13, the first connecting line 21 coaxially arranges.
Hall chip is sealedly connected in sensing head 12, has reduced outage and has improved resistance to shock, can ensure the sensitivity of sensor.Preferably sensing head 12 is tightly connected by plastic material and Hall chip, can effectively protect Hall chip, and Hall chip is not damaged, raising parts serviceable life.
This modified wheel speed sensors is under original state, and the output signal amplitude of Hall chip is constant, and response frequency is wide, and anti-electromagnetic interference capability is strong, has improved accuracy and the reliability of sensor.Hall chip is integrated in sensing head 12 inside, magnet steel is arranged on outside body 10 and for Hall chip provides magnetic field, and preferably the magnet steel in this case is placed on automobile hub unit, thereby makes integral sensors inner structure more succinct, reduce sensor bulk, be convenient to install and emat sensor more.
What wheel speed sensors in the utility model adopted is Hall wheel speed sensor, and it is that the effect that utilizes free electron in the Hall chip that passes to electric current to be subject to long-range navigation magnetic force in magnetic field produces displacement, and the principle that then produces Hall voltage designs.
Arranging of holder 11 played easy for installation, fixed effect to sensing head 12, makes working sensor steady, improved the sensitivity of sensor.In addition, holder 11 is provided with the boss 13 of being convenient to connect the first connecting line 21, simple in structure, fixed.
On the lateral surface of boss 13, be evenly distributed with the interior O-ring seal that is all embedded with of multiple annular grooves 131 and each annular groove 131, such structural design, can reduce stressed in working sensor process, and the course of work is reliable and stable, reaches the object of protection sensor.
Wire harness 20 adopts multistage connecting line and hose adapter to interconnect structure, then in conjunction with the setting that buckle is installed, wire harness 20 reasonable in design, are convenient to be arranged on car body, and the later stage is changed also more convenient.
In the utility model, sensing head 12 is made up of the connecting portion 121 being connected as a single entity and tablet 122, and connecting portion 121 is connected with holder 11 front ends, and connecting portion 121 is simple in structure and fixed, tablet 122 is played and supported and firm effect, improve stable working.Be respectively equipped with stiffening plate 123 in tablet 122 both sides, the effect of stiffening plate 123 is similar to reinforcement, has further ensured the job stability of sensor.
In prior art, the inner operated by rotary motion of most wheel speed sensors has the pin being connected with Hall chip, sensing head 12 operated by rotary motion are vertical with wire harness 20 to be arranged or is obliquely installed, and so just makes inner pin need bending, uses for a long time and easily causes chip impaired.
Stretch out with sensing head 12 at least one sensitive surface 1221 that direction be arranged in parallel and offer on tablet 122 in this case, tablet 122, connecting portion 121, boss 13, the first connecting line 21 coaxially arrange.That is to say, sensing head 12 and wire harness 20 (the first connecting line 21) almost coaxial setting in this case, make the pin (not shown) of inner Hall chip without bending, avoid to greatest extent Hall chip because bending causes damaging or implicit damage, make this modified wheel speed sensors course of work reliable and stable, improved the index of aging of sensor.In addition, sensitive surface 1221 is reasonable in design, has greatly improved the distance of reaction of sensor, has improved work efficiency.
Further preferably, the quantity of annular groove 131 is three, reasonable in design and energy practical requirement, and actual process is also fairly simple.Preferably the 3rd connecting line 25 in the utility model is cable, and it has electro-magnetic screen function, easy for installation, has further ensured the reliability of working sensor.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendments or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Claims (2)
1. a modified wheel speed sensors, it is characterized in that, comprise body, wire harness and be arranged on this external magnet steel, described body comprises holder and is arranged on the sensing head of holder front end, described wire harness comprises the first connecting line, the second connecting line, the first hose adapter, the second hose adapter, the described holder rear end formation boss that stretches out, on the lateral surface of described boss, be evenly distributed with in some annular grooves and each annular groove and be all embedded with O-ring seal, described holder rear end and the first connecting line front end are connected, between described the first connecting line rear end and the second connecting line, be provided with the first installation buckle, between described the second connecting line and the first hose adapter, be provided with the second installation buckle, between described the first hose adapter and the second hose adapter front end, be connected with the 3rd connecting line, described the second hose adapter rear end is fixed with electric connector, described sensing head is made up of the connecting portion being connected as a single entity and tablet, described connecting portion and holder front end are connected, described tablet both sides are respectively equipped with stiffening plate and each stiffening plate all contacts with connecting portion, on described tablet, offer with sensing head and stretch out at least one sensitive surface that direction be arranged in parallel, in described sensing head, be sealedly connected with Hall chip and Hall chip, sensitive surface, the first connecting line three electrical connection, described tablet, connecting portion, boss, the first connecting line coaxially arranges.
2. a kind of modified wheel speed sensors according to claim 1, is characterized in that, the quantity of described annular groove is three, and described the 3rd connecting line is cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420313062.3U CN203941182U (en) | 2014-06-12 | 2014-06-12 | A kind of modified wheel speed sensors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420313062.3U CN203941182U (en) | 2014-06-12 | 2014-06-12 | A kind of modified wheel speed sensors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203941182U true CN203941182U (en) | 2014-11-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420313062.3U Expired - Fee Related CN203941182U (en) | 2014-06-12 | 2014-06-12 | A kind of modified wheel speed sensors |
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| Country | Link |
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| CN (1) | CN203941182U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108872625A (en) * | 2018-06-21 | 2018-11-23 | 温州瑞奇汽车电子有限公司 | Hall-type speed sensor |
-
2014
- 2014-06-12 CN CN201420313062.3U patent/CN203941182U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108872625A (en) * | 2018-06-21 | 2018-11-23 | 温州瑞奇汽车电子有限公司 | Hall-type speed sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 315100 Ningbo, Yinzhou District, Dong Dong Road, North Road, No. 36 Patentee after: NINGBO NEW STRONGTECK ELECTRICAL TECHNOLOGY SHARES Ltd. Address before: 315100 Ningbo, Yinzhou District, Dong Dong Road, North Road, No. 36 Patentee before: Ningbo Sichuang Electromechanical Technology Co.,Ltd. Address after: 315100 Ningbo, Yinzhou District, Dong Dong Road, North Road, No. 36 Patentee after: Ningbo Sichuang Electromechanical Technology Co.,Ltd. Address before: 315100 Ningbo, Yinzhou District, Dong Dong Road, North Road, No. 36 Patentee before: NINGBO XINSICHUANG AUTO PARTS Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141112 Termination date: 20190612 |