CN108955777A - A kind of three-in-one sensor - Google Patents
A kind of three-in-one sensor Download PDFInfo
- Publication number
- CN108955777A CN108955777A CN201811178184.5A CN201811178184A CN108955777A CN 108955777 A CN108955777 A CN 108955777A CN 201811178184 A CN201811178184 A CN 201811178184A CN 108955777 A CN108955777 A CN 108955777A
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- China
- Prior art keywords
- shell
- bushing
- pcb board
- sensor
- position sensor
- 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.)
- Pending
Links
- 239000002184 metal Substances 0.000 claims abstract description 14
- 230000008859 change Effects 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims description 19
- 230000006978 adaptation Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000005299 abrasion Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
- G01D11/24—Housings ; Casings for instruments
- G01D11/245—Housings for sensors
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The present invention relates to a kind of three-in-one sensors, including being mounted on the shell being simultaneously connected simultaneously with inlet manifold and ECU on choke valve and its valve body axis, positioned at the pcb board of enclosure interior, negative tempperature coefficient thermistor, pressure chip, the front cover with casing adaptor on pcb board are set；The position sensor mould group that can perceive different magnetic poles variation to change output voltage size is provided in the shell；Positioning pin is provided on the front cover；The through-hole being adapted to positioning pin is provided in the position sensor mould group；Bushing is provided in the position sensor mould group；A magnetic block is arranged in bushing end face corresponding with position sensor；The magnetic block is fixedly connected with bushing；The gasket end is provided with the first groove that connection is adapted to the valve body axis of choke valve；The gasket end is additionally provided with end adapter and with the metal liner nest plate of through-hole；The invention reside in providing a kind of simple production process, have the service life long, the three-in-one sensor for the features such as precision is high, and stability is strong.
Description
Technical field
The present invention relates to a kind of throttle sensor more particularly to a kind of three-in-one sensors
Background technique
EFI engine is to replace traditional mechanical system using electronic control unit (engine controller) to control hair
Motivation system, electronic throttle are to provide the device of combustion air to EFI engine, are internally provided with throttle position biography
The aperture numerical value of air throttle valve block is changed into electronic signal and sends electronic control unit to by sensor.
Throttle position sensor is also known as engine load sensor or throttle switch.Its main function is to detect
Engine is in idling operation or load condition, is accelerating mode or decelerating mode, traditional throttle position sensing
Device is substantially a variable resistance and several switches, is installed on throttle body, the shaft and air throttle linkage of resistor,
There are two contacts for it: standard-sized sheet contact and idling contact.When air throttle is in idle position, idling contact closure, to computer
Export idling operation signal；When air throttle is in other positions, idling contact is opened, and output phase is for air throttle difference corner
Voltage signal, computer just according to signal voltage value identify engine load；Within a certain period of time according to signal voltage
Changing gradient identification is accelerating mode or decelerating mode.Computer corrects distributive value according to these work informations, or
Carry out fuel cut-off control.Such throttle sensor is moved between resistor disc by brush, and progress machinery connects between them
Touching, just has abrasion, causes the service life short, and has error.
Air inlet pressure sensor；Inlet manifold is connected with vacuum tube, with the different speed load of engine, incudes air inlet discrimination
Vacuum variation in pipe, then from the change of perceptron internal resistance, is converted into voltage signal, for ECU computer amendment distributive value and
Ignition timing angle.Intake air temperature sensor is a negative tempperature coefficient thermistor, and when the temperature increases, resistance subtracts
Small, when the temperature decreases, resistance increases, and with the variation of resistance in circuit, leads to the variation of voltage, to generate difference
Voltage signal, complete being automatically brought into operation for control system.
Summary of the invention
The invention reside in providing a kind of simple production process, have the service life long, the three of the features such as precision is high, and stability is strong
Unify sensor.
In view of the above problems, providing following technical solution: a kind of three-in-one sensor, including be mounted on choke valve and
The shell being simultaneously connected simultaneously with inlet manifold and ECU on its valve body axis is arranged on pcb board positioned at the pcb board of enclosure interior
Negative tempperature coefficient thermistor, pressure chip, the front cover with casing adaptor；It can it is characterized by: being provided in the shell
The variation of perception different magnetic poles is to change the position sensor mould group of output voltage size；Positioning pin is provided on the front cover；
The through-hole being adapted to positioning pin is provided in the position sensor mould group；Bushing is provided in the position sensor mould group；
A magnetic block is arranged in bushing end face corresponding with position sensor；The magnetic block is fixedly connected with bushing；It is described
Gasket end is provided with the first groove that connection is adapted to the valve body axis of choke valve；The gasket end is additionally provided with and end
Adaptation and the metal liner nest plate with through-hole；The shell is fixedly connected with bushing.
It is the plate structure with U-shaped notch that the present invention, which is further arranged to the pcb board,；The negative temperature system
Number thermistor, pressure chip are separately positioned on the pcb board of U-shaped notch two sides；Shell is stretched out in one end of the pressure chip
It is connected with inlet manifold；The position sensor mould group, bushing are respectively positioned in U-shaped notch；It is provided on the shell for holding
Receive the hollow pipe closed at one end of negative tempperature coefficient thermistor；The position to pressure chip projecting end is provided on the shell
It sets, the second groove that bushing and shell link position, hollow pipe position are circular；It is provided in second groove and second
Compatible first sealing ring of groove；The first sealing ring height is higher than the second groove；Setting on the outside of first sealing ring
There are several convex grains.
The present invention is further arranged to be provided with metal connecting sheet on the pcb board；The metal connecting sheet be across
Shell one end is connected to pcb board, and one end is connected to the arcuate structure of position sensor mould group.
The present invention is further arranged to be provided with terminal on the pcb board；One end of the terminal passes through shell, another
End is connect with ECU.
The present invention is further arranged to the one of the pcb board that the terminal is arranged in where negative tempperature coefficient thermistor
Side.
The present invention is further arranged to be additionally provided with several connections for connecting with choke valve on the shell
Hole and the small bushing being adapted in hole and with connecting hole.
The present invention is further arranged to the bushing and the link position of shell is provided with the second sealing ring.
Beneficial effects of the present invention:
1: when being connect with choke valve, because of the setting of sealing ring, and the position that sensor is formed carry out it is circular,
So this sensor has good leakproofness.
2: negative tempperature coefficient thermistor is arranged in closed hollow pipe at one end, and hollow pipe is deep upon connection
Enter to arrive valve inner, can accurately sense temperature change.
The hardened structure of 3:PCB is set as the plate structure with U-shaped notch, and position sensor mould group is in U-shaped indentation, there, and position
The sensor module space that has been topology layout reasonable utilization securing by positioning pin, internal is set, keeps product size suitable
It is able to satisfy stability again simultaneously.
4: sheet metal passes through shell, and explanation is connected to shell, and the both ends of sheet metal are connected to pcb board again
With position sensor mould group, sheet metal also has stabilization.
5: bushing and valve body axis connection, the rotation of valve body axis drive bushing rotation, magnetic block because being fixedly connected with bushing,
It can equally rotate；Magnetic block position change causes the position of magnetic pole that can also change；The position sensor mould group of lower section incudes
To pole change to generate different voltage, voltage is finally transferred to ECU by pcb board；Such magnetoelectric induction mode
Abrasion will not be generated compared to traditional mechanical sensor, and longer life expectancy, error is smaller；Small bushing is that company is adapted to choke valve
It connects, can also play firm effect.
Detailed description of the invention
Fig. 1 is explosive view of the present invention.
Fig. 2 is the structural schematic diagram after present invention removal shell.
Fig. 3 is the structural schematic diagram of inventive sensor and pcb board.
Figure label meaning: 1- shell；2-PCB plate；3- negative tempperature coefficient thermistor；4- pressure chip；The position 5- passes
Sensor mould group；6- front cover；7- positioning pin；8- through-hole；9- magnetic block；10- bushing；The first groove of 11-；12- metal liner nest plate；
13- hollow pipe；The second groove of 14-；The first sealing ring of 15-；16- metal connecting sheet；17- terminal；The convex grain of 18-；19- connecting hole；
The second sealing ring of 20-.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Implement below
Example is not intended to limit the scope of the invention for illustrating the present invention.
In conjunction with shown in Fig. 1 to Fig. 3, a kind of three-in-one sensor, including be mounted on choke valve and its valve body axis and same
When the shell 1 that is connected with inlet manifold and ECU, the negative temperature coefficient on pcb board 2 is arranged in the pcb board 2 inside shell 1
Thermistor 3, pressure chip 4, the front cover 6 being adapted to shell 1；Different magnetic poles variation can be perceived by being provided in the shell 1
To change the position sensor mould group 5 of output voltage size；Positioning pin 7 is provided on the front cover 6；The position sensor
The through-hole 8 being adapted to positioning pin 7 is provided in mould group 5；Positioning pin 7 is inserted into through-hole 8, fixed to position sensor module 5；Institute
Rheme, which is set, is provided with bushing 10 in sensor module 5；One magnetic of the end face setting corresponding with position sensor of bushing 10
Property block 9；The magnetic block 9 is fixedly connected with bushing 10；10 end of bushing is provided with to be adapted to the valve body axis of choke valve
First groove 11 of connection；10 end of bushing is additionally provided with end adapter and with the metal liner nest plate 12 of through-hole 8；Institute
Shell 1 is stated to be fixedly connected with bushing 10；Bushing 10 and valve body axis connection, the rotation of valve body axis, drive bushing 10 to rotate, magnetic block 9
Because being fixedly connected with bushing 10, can equally rotate；Position change occurs for rotation, causes the position of magnetic pole that can also change；
The position sensor mould group 5 of lower section senses pole change to generate different voltage, finally passes voltage by pcb board 2
It is defeated by ECU；Such magnetoelectric induction mode will not generate abrasion compared to traditional mechanical sensor, and longer life expectancy, error is more
It is small.
Pcb board 2 described in the present embodiment is the plate structure with U-shaped notch；The negative temperature coefficient thermistor power
Resistance 3, pressure chip 4 are separately positioned on the pcb board 2 of U-shaped notch two sides；One end of the pressure chip 4 stretch out shell 1 with into
Gas manifold is connected；The position sensor mould group 5, bushing 10 are respectively positioned in U-shaped notch；It is provided on the shell 1 for holding
Receive the hollow pipe 13 closed at one end of negative tempperature coefficient thermistor 3；Hollow pipe 13 extends to inside throttle-valve body；The shell
The position to 4 projecting end of pressure chip, bushing 10 and 1 link position of shell, 13 position ring of hollow pipe are provided on body 1
Around the second groove 14；First sealing ring 15 compatible with the second groove 14 is provided in second groove 14；Described
One sealing ring, 15 height is higher than the second groove 14；Several convex grains 18 are provided on the outside of first sealing ring 15；It is solar term
When valve body connects, the first sealing ring 15 has sealing function.
Metal connecting sheet 16 described in the present embodiment is to be connected to pcb board 2 across 1 one end of shell, and one end is connected to position
The arcuate structure of sensor module 5；One end of the terminal 17 passes through shell 1, and the other end is connect with ECU；The terminal 17 is set
It sets in the side of the pcb board 2 where negative tempperature coefficient thermistor 3；Several are additionally provided on the shell 1 to be used for and solar term
The connecting hole 19 of valve connection and the small bushing being adapted in hole and with connecting hole 19；Screw pass through connecting hole 19 to screw into
Row is fixed；The link position of the bushing 10 and shell 1 is provided with the second sealing ring 20, and bushing 10 is to be fixedly connected with shell 1
, the setting of the second sealing ring 20 is first is that sealing function can be played, second is that be adapted to link position, can prevent bushing 10 with
Shell 1 is detached from.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvements and modifications can also be made, above-mentioned hypothesis these
Improvement and modification also should be regarded as protection scope of the present invention.
Claims (7)
1. a kind of three-in-one sensor, including be mounted on choke valve and its valve body axis and simultaneously with inlet manifold and ECU phase
Negative tempperature coefficient thermistor, pressure chip and shell on pcb board is arranged in positioned at the pcb board of enclosure interior in shell even
The front cover of body adaptation；It is characterized by: different magnetic poles variation can be perceived to change output voltage by being provided in the shell
The position sensor mould group of size；Positioning pin is provided on the front cover；It is provided with and positions in the position sensor mould group
Sell the through-hole of adaptation；Bushing is provided in the position sensor mould group；Bushing end face corresponding with position sensor
One magnetic block is set；The magnetic block is fixedly connected with bushing；The gasket end is provided with the valve body axis with choke valve
It is adapted to the first groove of connection；The gasket end is additionally provided with end adapter and with the metal liner nest plate of through-hole；It is described
Shell is fixedly connected with bushing.
2. a kind of three-in-one sensor as described in claim 1, it is characterised in that: the pcb board, which is one, has U-shaped notch
Plate structure；The negative tempperature coefficient thermistor, pressure chip are separately positioned on the pcb board of U-shaped notch two sides；It is described
One end of pressure chip stretches out shell and is connected with inlet manifold；The position sensor mould group, bushing are respectively positioned in U-shaped notch；
The hollow pipe closed at one end for accommodating negative tempperature coefficient thermistor is provided on the shell；It is provided on the shell
Second groove circular to the position of pressure chip projecting end, bushing and shell link position, hollow pipe position；It is described
The first sealing ring compatible with the second groove is provided in second groove；The first sealing ring height is higher than the second groove；
Several convex grains are provided on the outside of first sealing ring.
3. a kind of three-in-one sensor as claimed in claim 2, it is characterised in that: be provided with metal connection on the pcb board
Piece；The metal connecting sheet is to be connected to pcb board across shell one end, and one end is connected to the arc knot of position sensor mould group
Structure.
4. a kind of three-in-one sensor as claimed in claim 3, it is characterised in that: be provided with terminal on the pcb board；It is described
One end of terminal passes through shell, and the other end is connect with ECU.
5. a kind of three-in-one sensor as claimed in claim 4, it is characterised in that: the terminal setting is in negative temperature coefficient heat
The side of pcb board where quick resistance.
6. a kind of three-in-one sensor as described in claim 1, it is characterised in that: be additionally provided with several use on the shell
The small bushing being adapted in the connecting hole connected with choke valve and in hole and with connecting hole.
7. a kind of three-in-one sensor as described in claim 1, it is characterised in that: the connection position of the bushing and shell installs
It is equipped with the second sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811178184.5A CN108955777A (en) | 2018-10-10 | 2018-10-10 | A kind of three-in-one sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811178184.5A CN108955777A (en) | 2018-10-10 | 2018-10-10 | A kind of three-in-one sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108955777A true CN108955777A (en) | 2018-12-07 |
Family
ID=64480730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811178184.5A Pending CN108955777A (en) | 2018-10-10 | 2018-10-10 | A kind of three-in-one sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108955777A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109883488A (en) * | 2019-03-29 | 2019-06-14 | 武汉飞恩微电子有限公司 | A kind of air throttle three-in-one sensor device |
| CN109883489A (en) * | 2019-03-29 | 2019-06-14 | 武汉飞恩微电子有限公司 | A kind of integrated form three-in-one sensor device |
| WO2020192846A1 (en) * | 2019-03-27 | 2020-10-01 | First Sensor Mobility Gmbh | Sensor unit and hydraulic or pneumatic system using the sensor unit and use of the sensor unit |
| CN112855641A (en) * | 2019-11-12 | 2021-05-28 | 上海朝田实业股份有限公司 | Automatic hydraulic valve |
| WO2024042262A1 (en) * | 2022-08-26 | 2024-02-29 | Piher Sensors & Controls, S.A. | Linear or angular position sensor |
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| CN103109121A (en) * | 2010-04-27 | 2013-05-15 | 罗伯特·博世有限公司 | Sensor subassembly for a vehicle and device for measuring rotational movements of a wheel bearing |
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| CN106851979A (en) * | 2016-12-28 | 2017-06-13 | 深圳天珑无线科技有限公司 | A kind of electronic equipment and Portable intelligent terminal |
| CN207080305U (en) * | 2017-08-23 | 2018-03-09 | 宁波均胜汽车电子股份有限公司 | A kind of automobile air inlet system fit structure |
| CN207406480U (en) * | 2017-11-14 | 2018-05-25 | 利欧集团浙江泵业有限公司 | The pump housing passes in and out water connector structure |
| CN207739953U (en) * | 2018-01-22 | 2018-08-17 | 海隆石油钻具（无锡）有限公司 | Tool joint equipped with sealing device |
| CN208688573U (en) * | 2018-10-10 | 2019-04-02 | 温州科丰汽车零部件有限公司 | A kind of three-in-one sensor |
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2018
- 2018-10-10 CN CN201811178184.5A patent/CN108955777A/en active Pending
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| CN1985151A (en) * | 2004-07-15 | 2007-06-20 | 西门子公司 | Sensor for motor vehicles |
| CN101825648A (en) * | 2009-03-06 | 2010-09-08 | 株式会社电装 | Sensor device and sensor device syndeton |
| CN103109121A (en) * | 2010-04-27 | 2013-05-15 | 罗伯特·博世有限公司 | Sensor subassembly for a vehicle and device for measuring rotational movements of a wheel bearing |
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| CN202614281U (en) * | 2012-06-20 | 2012-12-19 | 重庆长安伟世通发动机控制***有限公司 | Non-contact integrated throttle valve sensor |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020192846A1 (en) * | 2019-03-27 | 2020-10-01 | First Sensor Mobility Gmbh | Sensor unit and hydraulic or pneumatic system using the sensor unit and use of the sensor unit |
| CN109883488A (en) * | 2019-03-29 | 2019-06-14 | 武汉飞恩微电子有限公司 | A kind of air throttle three-in-one sensor device |
| CN109883489A (en) * | 2019-03-29 | 2019-06-14 | 武汉飞恩微电子有限公司 | A kind of integrated form three-in-one sensor device |
| CN112855641A (en) * | 2019-11-12 | 2021-05-28 | 上海朝田实业股份有限公司 | Automatic hydraulic valve |
| WO2024042262A1 (en) * | 2022-08-26 | 2024-02-29 | Piher Sensors & Controls, S.A. | Linear or angular position sensor |
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Application publication date: 20181207 |