CN213984904U - Linear self-checking type throttle position sensor - Google Patents
Linear self-checking type throttle position sensor Download PDFInfo
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- CN213984904U CN213984904U CN202022426330.0U CN202022426330U CN213984904U CN 213984904 U CN213984904 U CN 213984904U CN 202022426330 U CN202022426330 U CN 202022426330U CN 213984904 U CN213984904 U CN 213984904U
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- sliding
- contact
- main contact
- position sensor
- throttle position
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Abstract
The utility model provides a linear self-checking type air throttle position sensor, which comprises an outer shell body, the shell body internal rotation is provided with the axis of rotation, be connected with the exhibition arm in the axis of rotation, be provided with first main contact on the exhibition arm, the second main contact, first cooperation contact and second cooperation contact, first main contact and first cooperation contact electric connection, second main contact and second cooperation contact electric connection, axis of rotation week side is provided with first sliding resistor body, the second sliding resistor body, first gleitbretter and second gleitbretter, be provided with wiring socket on the shell body, be provided with the power supply terminal in the socket, first signal terminal, second signal terminal and bonding terminal. The utility model discloses simple structure, reliable is difficult to damage, is difficult to break down, is also difficult to receive influences such as external magnetic field, low in production cost, through the contrast of two sets of sensors, can in time be discerned by another group when a set of sensor breaks down, has realized trouble automated inspection, has increased the reliability of system.
Description
Technical Field
The utility model relates to a sensor field, in particular to linear self-checking type air throttle position sensor.
Background
A throttle position sensor is one of the most important sensors in electronic control systems of automobiles and motorcycles and is mainly used for an electronic fuel injection system of an engine and an electronic control automatic transmission system. The throttle position sensor is arranged at one end of a throttle shaft on the throttle body, detects or monitors the size of the throttle opening and the speed of change, converts a position signal into an electric signal and inputs the electric signal into the electronic control unit. The method is used for distinguishing various working conditions of the engine so as to control different fuel injection quantity and ignition timing. In vehicles equipped with electronically controlled automatic transmissions, the throttle position sensor signal is the primary signal for transmission shifting and torque converter lockup.
Just because the throttle position sensor is important, the normal operation of the engine can be affected and even safety accidents can be caused in case of failure, and the existing throttle position sensor still has great promotion space in the aspects of failure detection, reliability and production cost. Therefore, it is desirable to design a throttle position sensor that is simple and reliable in structure, low in production cost, and capable of detecting whether a malfunction occurs.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, an object of the present invention is to provide a linear self-checking type throttle position sensor that has a simple and reliable structure and is low in production cost and can detect whether a failure occurs.
The technical scheme of the utility model is realized like this:
a linear self-checking type throttle position sensor comprises a shell, a rotating shaft is rotationally arranged in the shell and used for being connected with a shaft of a throttle, an expansion arm is connected onto the rotating shaft, a first main contact, a second main contact, a first matching contact and a second matching contact are arranged on the expansion arm, the first main contact is electrically connected with the first matching contact, the second main contact is electrically connected with the second matching contact, a first sliding resistor, a second sliding resistor, a first sliding sheet and a second sliding sheet are arranged on the periphery of the rotating shaft, a wiring socket is arranged on the shell, a power supply terminal, a first signal terminal, a second signal terminal and a grounding terminal are arranged in the socket, the first sliding resistor and the second sliding resistor which are connected in parallel are electrically connected between the power supply terminal and the grounding terminal, the first signal terminal is electrically connected with the first sliding sheet, and the second signal terminal is electrically connected with the second sliding sheet, the first main contact is arranged on the first sliding resistor body in a sliding mode, the second main contact is arranged on the second sliding resistor body in a sliding mode, the first matching contact is arranged on the first sliding sheet in a sliding mode, and the second matching contact is arranged on the second sliding sheet in a sliding mode.
Further, the arm is plate-shaped or rod-shaped.
Further, the first sliding resistor, the second sliding resistor, the first sliding piece and the second sliding piece are all arc-shaped.
The utility model has the advantages that: the utility model has the advantages of simple structure, it is reliable, be difficult to damage, be difficult to break down, also be difficult to receive external factors such as external magnetic field to influence, low in production cost, first slip resistive element, first main contact, a set of sensor is constituteed to first cooperation contact and first gleitbretter, the second slips the resistive element, the second main contact, another set of sensor is constituteed to second cooperation contact and second gleitbretter, contrast through two sets of sensors, can in time be discerned by another group when a set of sensor breaks down, real-time trouble automated inspection has been realized, the reliability of system has been increased.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, a linear self-checking type throttle position sensor includes a housing 1, a rotating shaft 2 rotatably disposed in the housing 1 for connecting with a shaft of a throttle, a spreading arm 3 connected to the rotating shaft 2, a first main contact 31, a second main contact 32, a first mating contact 34 and a second mating contact 33 disposed on the spreading arm 3, the first main contact 31 electrically connected to the first mating contact 34, the second main contact 32 electrically connected to the second mating contact 33, a first sliding resistor 41, a second sliding resistor 42, a first sliding sheet 44 and a second sliding sheet 43 disposed around the rotating shaft 2, a wiring socket 11 disposed on the housing 1, a power terminal 51, a first signal terminal 52, a second signal terminal 53 and a grounding terminal 54 disposed in the socket 11, the first sliding resistor 41 and the second sliding resistor 42 connected in parallel between the power terminal 51 and the grounding terminal 54, the first signal terminal 52 is electrically connected to the first slide plate 44, the second signal terminal 53 is electrically connected to the second slide plate 43, the first main contact 31 is slidably disposed on the first slide resistor 41, the second main contact 32 is slidably disposed on the second slide resistor 42, the first mating contact 34 is slidably disposed on the first slide plate 44, and the second mating contact 33 is slidably disposed on the second slide plate 43.
Further, the arm 3 is plate-shaped or rod-shaped.
Furthermore, two sides of the outer shell 1 are fixedly connected with side wings 12, and fixing holes 13 are formed in the side wings 12.
Further, the first slide resistor 41, the second slide resistor 42, the first slide piece 44, and the second slide piece 43 are all arc-shaped.
The utility model discloses during the use, axis of rotation 2 is connected with the hub connection of throttle valve, it is fixed that shell body 1 passes through bolt fit fixed orifices, power supply terminal 51, first signal terminal 52, second signal terminal 53 and bonding terminal 54 are connected with ECU, power supply terminal 51 connects 5V power port, bonding terminal 54 connects the ground connection port, when the throttle valve rotates, it rotates to drive axis of rotation 2, first main contact 31, second main contact 32, first cooperation contact 34 and second cooperation contact 33 are followed first sliding resistor body 41 respectively, second sliding resistor body 42, first gleitbretter 44 and second gleitbretter 43 slide, change power supply terminal 51 and first signal terminal 52, the resistance value between the second signal terminal 53, make the throttle valve aperture convert voltage signal and carry ECU into. The utility model has the advantages of simple structure, it is reliable, be difficult to damage, be difficult to break down, also be difficult to receive external factors such as external magnetic field to influence, low in production cost, first sliding resistor body 41, first main contact 31, a set of sensor is constituteed to first cooperation contact 34 and first gleitbretter 44, second sliding resistor body 42, second main contact 32, another set of sensor is constituteed to second cooperation contact 33 and second gleitbretter 43, contrast through two sets of sensor voltage, can in time be discerned by another group when a set of sensor breaks down, real-time trouble automated inspection has been realized, the reliability of system has been increased.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. A linear self-checking type throttle position sensor, characterized in that: the throttle valve comprises a shell, a rotating shaft is arranged in the shell in a rotating mode and used for being connected with a shaft of a throttle valve, an expansion arm is fixedly connected to the rotating shaft, a first main contact, a second main contact, a first matching contact and a second matching contact are arranged on the expansion arm, the first main contact is electrically connected with the first matching contact, the second main contact is electrically connected with the second matching contact, a first sliding resistor body, a second sliding resistor body, a first sliding sheet and a second sliding sheet are arranged on the periphery of the rotating shaft, a wiring socket is arranged on the shell, a power supply terminal, a first signal terminal, a second signal terminal and a bonding terminal are arranged in the socket, the first sliding resistor body and the second sliding resistor body which are connected in parallel are electrically connected between the power supply terminal and the bonding terminal, the first signal terminal is electrically connected with the first sliding sheet, the second signal terminal is electrically connected with the second sliding sheet, the first main contact is arranged on the first sliding resistor body in a sliding mode, the second main contact is arranged on the second sliding resistor body in a sliding mode, the first matching contact is arranged on the first sliding sheet in a sliding mode, and the second matching contact is arranged on the second sliding sheet in a sliding mode.
2. A linear self-checking throttle position sensor as set forth in claim 1, wherein: the exhibition arm is plate-shaped or rod-shaped.
3. A linear self-checking throttle position sensor as set forth in claim 1, wherein: both sides of the outer shell are fixedly connected with side wings, and fixing holes are formed in the side wings.
4. A linear self-checking throttle position sensor as set forth in claim 1, wherein: the first sliding resistor, the second sliding resistor, the first sliding piece and the second sliding piece are all arc-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022426330.0U CN213984904U (en) | 2020-10-28 | 2020-10-28 | Linear self-checking type throttle position sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022426330.0U CN213984904U (en) | 2020-10-28 | 2020-10-28 | Linear self-checking type throttle position sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213984904U true CN213984904U (en) | 2021-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022426330.0U Active CN213984904U (en) | 2020-10-28 | 2020-10-28 | Linear self-checking type throttle position sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213984904U (en) |
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2020
- 2020-10-28 CN CN202022426330.0U patent/CN213984904U/en active Active
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