CN206460071U - Rotary speed of diesel engine sensor - Google Patents
Rotary speed of diesel engine sensor Download PDFInfo
- Publication number
- CN206460071U CN206460071U CN201621492245.1U CN201621492245U CN206460071U CN 206460071 U CN206460071 U CN 206460071U CN 201621492245 U CN201621492245 U CN 201621492245U CN 206460071 U CN206460071 U CN 206460071U
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- circuit
- housing
- stitch
- diesel engine
- rotary speed
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- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
The utility model discloses a kind of rotary speed of diesel engine sensor, it includes housing, circuit framework, circuit board, Hall element, magnetic circuit controller, permanent magnet and circuit stitch, circuit framework, circuit board, Hall element, magnetic circuit controller, permanent magnet and circuit stitch are arranged in housing, the top of circuit framework is cylindricality block, the middle part of circuit framework is cradle portion, the bottom of circuit framework has the department of assembly of assembling permanent magnet and magnetic circuit controller, the lower end of circuit stitch extends to the top of cradle portion through the through hole on cylindricality block, the lower end of circuit stitch is connected by connecting conductor with circuit board, the lower end of circuit board is fixed in cradle portion, jointing is provided with the top of housing, the top of circuit stitch is extended in jointing.Rotary speed of diesel engine sensor of the present utility model has small volume, simple in construction, and performance is stable, and small power consumption, strong antijamming capability, temperature in use scope is wide, and service life is long, and the advantages of can continuously be measured.
Description
Technical field
The utility model is related to field of mechanical technique, particularly a kind of rotary speed of diesel engine sensor.
Background technology
Rotary speed of diesel engine sensor is typically mounted on the side of crank pulley or sprocket wheel, detection top dead centre signal,
Corner signal and engine rotational speed signal, and computer is inputted, so as to enable a computer to the ignition order by cylinder
Send optimum igniting time instructions.In the prior art, most diesel oil engine speed sensor is all exported using pulse, in the past
Hall element in use, there is many factors influence measurement accuracy, essentially consist in semiconductor fabrication process and semiconductor solid
Have characteristic, its show as the error of zero and temperature caused by measurement error, cause rotary speed of diesel engine sensor accuracy low,
The low problem of reliability, thus need to make improvements.
The content of the invention
The purpose of this utility model is to pass for the rotary speed of diesel engine of the prior art described in background technology
Sensor precision is low, and there is provided a kind of rotary speed of diesel engine sensor that can solve the problem that foregoing problems the problems such as poor reliability.
It can realize that the technical scheme of goal of the invention of the present utility model is as follows：
A kind of rotary speed of diesel engine sensor, it includes housing, circuit framework, circuit board, Hall element, magnetic circuit control
Device, permanent magnet and circuit stitch, circuit framework, circuit board, Hall element, magnetic circuit controller, permanent magnet and circuit stitch are set
In housing, the top of circuit framework is cylindricality block, and the middle part of circuit framework is cradle portion, and the bottom of circuit framework has assembling
The department of assembly of permanent magnet and magnetic circuit controller, permanent magnet is connected with magnetic circuit controller, and magnetic circuit controller is connected with Hall element, suddenly
You are connected element with circuit board signal, and being provided with cylindricality block is used for the through hole through circuit stitch, and the lower end of circuit stitch is worn
The through hole crossed on cylindricality block extends to the top of cradle portion, and wiring hole is provided with the side wall of cradle portion, the lower end of circuit stitch
Connection conductor is connected through wiring hole with circuit board, and the lower end of circuit board is fixed in cradle portion, on the top of housing provided with company
Joint, the top of circuit stitch is extended in jointing.
In such scheme, described circuit framework, circuit board, Hall element, magnetic circuit controller, permanent magnet and circuit pin
The enclosure interior that pin is encapsulated by way of injecting glue.
In such scheme, the top for being located at housing in described hull outside is provided with assembly parts, the assembly parts and housing
It is fixedly connected, assembly parts are provided with pilot hole.
In such scheme, it is provided with the middle part of described housing in annular groove, annular groove and is provided with sealing ring.
In such scheme, described jointing and the center line of housing are obliquely installed at an angle, jointing
The top of housing is fixed in the way of Plastic Package.
The advantage of rotary speed of diesel engine sensor of the present utility model is：Rotary speed of diesel engine of the present utility model is passed
Sensor employs Hall element, and the speed probe of small enclosed is made by way of injection molding packaging, and Diesel engine turns
Fast sensor has the advantages that performance stabilization, small power consumption, strong antijamming capability, temperature in use scope are wide.Rotary speed of diesel engine
Sensor is in use, the Hall element of sensor is arranged on from noseiron or recessed iron distance 0.5-3mm, and alignment can be surveyed
Amount.When double wedge or concave tooth rotating shaft on measured axis rotate, corner is converted into electric impulse signal, used for secondary meter.This reality
There is small volume with new rotary speed of diesel engine sensor, simple in construction, contactless, the features such as staring torque is small uses
Long lifespan, reliability is high, and frequency characteristic is good, and can continuously be measured.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
In figure, 1 is Hall element, and 2 be magnetic circuit controller, and 3 be permanent magnet, and 4 be circuit framework, and 5 be circuit board, and 6 be shell
Body, 7 be sealing ring, and 8 be circuit stitch, and 9 be jointing, and 10 be assembly parts.
Embodiment
A kind of rotary speed of diesel engine sensor as shown in Figure 1, it includes housing 6, circuit framework 4, circuit board 5, suddenly
That element 1, magnetic circuit controller 2, permanent magnet 3 and circuit stitch 8, circuit framework 4, circuit board 5, Hall element 1, magnetic circuit controller
2nd, permanent magnet 3 and circuit stitch 8 are arranged in housing 6, and the top of circuit framework 4 is cylindricality block, and the middle part of circuit framework 4 is branch
Frame portion, the bottom of circuit framework 4 has the department of assembly of assembling permanent magnet 3 and magnetic circuit controller 2, permanent magnet 3 and magnetic circuit controller 2
Connection, magnetic circuit controller 2 is connected with Hall element 1, and Hall element 1 is connected with the signal of circuit board 5, and being provided with cylindricality block is used for
Through the through hole of circuit stitch 8, the lower end of circuit stitch 8 extends to the top of cradle portion through the through hole on cylindricality block, in branch
The side wall in frame portion is provided with wiring hole, and the connection conductor of the lower end of circuit stitch is connected through wiring hole with circuit board 5, circuit board 5
Lower end be fixed in cradle portion, the top of housing 6 be provided with jointing 9, the top of circuit stitch 8 extends to jointing
In 9.
In such scheme, described circuit framework 4, circuit board 5, Hall element 1, magnetic circuit controller 2, the and of permanent magnet 3
Inside the housing 6 that circuit stitch 8 is encapsulated by way of injecting glue.
In such scheme, outside described housing 6 positioned at housing 6 top be provided with assembly parts 10, the assembly parts with
Housing is fixedly connected, and assembly parts are provided with pilot hole.
In such scheme, it is provided with the middle part of described housing 6 in annular groove, annular groove and is provided with sealing ring 7.
In such scheme, the center line of described jointing 9 and housing 6 is obliquely installed at an angle, and connection connects
First 9 are fixed on the top of housing in the way of Plastic Package.
Rotary speed of diesel engine sensor of the present utility model in use, the Hall element of sensor be arranged on from noseiron or
The recessed iron of person is in 0.5-3mm, and alignment can be measured.When double wedge or concave tooth rotating shaft on measured axis rotate, corner is turned
Change electric impulse signal into, used for secondary meter.Rotary speed of diesel engine sensor of the present utility model has small volume, structure
Simply, contactless, the features such as staring torque is small, service life is long, and reliability is high, and frequency characteristic is good, and can continuously be measured.
Rotary speed of diesel engine sensor of the present utility model employs Hall element, and small enclosed is made by way of injection molding packaging
The speed probe of formula, rotary speed of diesel engine sensor has performance stabilization, small power consumption, strong antijamming capability, temperature in use
The advantages of scope is wide.
Above example is the explanation to embodiment of the present utility model, rather than to limitation of the present utility model,
Person skilled in the relevant technique can also make various changes in the case where not departing from spirit and scope of the present utility model
Change and change and obtain corresponding equivalent technical scheme, therefore all equivalent technical schemes should be included into this practicality newly
The scope of patent protection of type.
Claims (5)
1. a kind of rotary speed of diesel engine sensor, it is characterised in that：It includes housing, circuit framework, circuit board, Hall member
Part, magnetic circuit controller, permanent magnet and circuit stitch, circuit framework, circuit board, Hall element, magnetic circuit controller, permanent magnet and electricity
Road stitch is arranged in housing, and the top of circuit framework is cylindricality block, under the middle part of circuit framework is cradle portion, circuit framework
Portion has the department of assembly of assembling permanent magnet and magnetic circuit controller, and permanent magnet is connected with magnetic circuit controller, magnetic circuit controller and Hall
Element is connected, and Hall element is connected with circuit board signal, and being provided with cylindricality block is used for the through hole through circuit stitch, circuit pin
The lower end of pin extends to the top of cradle portion through the through hole on cylindricality block, and wiring hole, circuit pin are provided with the side wall of cradle portion
The connection conductor of the lower end of pin is connected through wiring hole with circuit board, and the lower end of circuit board is fixed in cradle portion, in housing
Top is provided with jointing, and the top of circuit stitch is extended in jointing.
2. rotary speed of diesel engine sensor according to claim 1, it is characterised in that：Described circuit framework, circuit
The enclosure interior that plate, Hall element, magnetic circuit controller, permanent magnet and circuit stitch are encapsulated by way of injecting glue.
3. rotary speed of diesel engine sensor according to claim 1, it is characterised in that：It is located in described hull outside
The top of housing is provided with assembly parts, and the assembly parts are fixedly connected with the casing, and assembly parts are provided with pilot hole.
4. rotary speed of diesel engine sensor according to claim 1, it is characterised in that：Set in the middle part of described housing
Have and sealing ring is provided with annular groove, annular groove.
5. rotary speed of diesel engine sensor according to claim 1, it is characterised in that：Described jointing and housing
Center line be obliquely installed at an angle, jointing is fixed on the top of housing in the way of Plastic Package.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621492245.1U CN206460071U (en) | 2016-12-30 | 2016-12-30 | Rotary speed of diesel engine sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621492245.1U CN206460071U (en) | 2016-12-30 | 2016-12-30 | Rotary speed of diesel engine sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206460071U true CN206460071U (en) | 2017-09-01 |
Family
ID=59696744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621492245.1U Active CN206460071U (en) | 2016-12-30 | 2016-12-30 | Rotary speed of diesel engine sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206460071U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019119360A1 (en) * | 2017-12-21 | 2019-06-27 | Hamlin Electronics (Suzhou) Co. Ltd | Output speed sensor assembly |
-
2016
- 2016-12-30 CN CN201621492245.1U patent/CN206460071U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019119360A1 (en) * | 2017-12-21 | 2019-06-27 | Hamlin Electronics (Suzhou) Co. Ltd | Output speed sensor assembly |
| CN111868532A (en) * | 2017-12-21 | 2020-10-30 | 哈姆林电子(苏州)有限公司 | Output speed sensor assembly |
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