Non-contact throttle valve sensor

Abstract

The utility model discloses a non-contact throttle valve sensor which comprises a circuit board and an air inlet guide pipe, and the circuit board comprises a main control module and a pressure module. The main control module comprises a main control chip U1. The pressure module comprises a pressure sensor H9, the pressure sensor H9 is arranged at the air inlet end of the air inlet guide pipe, the second end of the pressure sensor H9 is electrically connected with the 23 end of the main control chip U1, and a capacitor C7 is connected between the second end of the pressure sensor H9 and the first end of the pressure sensor H9 in parallel. The non-contact throttle valve sensor disclosed by the utility model has the beneficial effects that the main control chip U1 respectively outputs a first opening and closing signal, a second opening and closing signal and a third opening and closing signal to the first indicator lamp, the second indicator lamp and the third indicator lamp, so that the first indicator lamp, the second indicator lamp and the third indicator lamp are respectively switched on or switched off; the first indicator lamp, the second indicator lamp and the third indicator lamp are red, blue and yellow respectively and are used for indicating the air pressure state of the throttle valve respectively.

Description

Technical Field

[0001] The utility model belongs to the field of throttle sensors, and particularly relates to a non-contact throttle sensor. Background Art

[0002] The utility model patent with the publication number of CN203177868U and the theme name of non-contact throttle position sensor has an IPC classification number of G01D5 / 14. Its technical solution discloses that "the non-contact throttle position sensor includes a housing 1 and a rotor 2, a rotor shaft 3, a rotating plate 4 and a circuit board 5 arranged inside it. The rotor 2 is connected to the right shaft end of the rotor shaft 3, the circuit board 5 is fixedly arranged on the right side of the rotor 2, a transverse shaft hole 6 is provided at the upper end of the housing 1, the rotor shaft 3 is rotatably arranged in the transverse shaft hole 6, the rotating plate 4 is connected to the left shaft end of the rotor shaft 3, the rotating plate 4 is arranged against the left outer end face of the transverse shaft hole 6, a snap ring 7 and a magnetic element 8 are arranged on the rotor 2, and the magnetic element 8 is a radially polarized magnet body. Due to the clamping action of the snap ring 7, the mating surface of the rotor 2 and the rotor shaft 3 of the sensor will be closely fitted together".

[0003] It can be seen that the above utility model patent has disclosed one of the technical solutions of the non-contact throttle sensor. However, the technical solution disclosed in the above utility model patent focuses on mechanical structures such as the rotor 2, the rotor shaft 3, the rotating plate 4 and the circuit board 5, and does not further disclose the specific circuit structure of the circuit board 5, which needs to be further improved. Content of the Utility Model

[0004] The utility model aims at the current situation of the prior art, overcomes the above defects, and provides a non-contact throttle sensor.

[0005] The utility model adopts the following technical solutions. The non-contact throttle sensor includes a circuit board and an intake duct. The circuit board includes:

[0006] A main control module, which includes a main control chip U1.

[0007] A pressure module, which includes a pressure sensor H9. The pressure sensor H9 is arranged at the intake end of the intake duct. The No. 2 terminal of the pressure sensor H9 is electrically connected to the No. 23 terminal of the main control chip U1. A capacitor C7 is connected in parallel between the No. 2 terminal and the No. 1 terminal of the pressure sensor H9.

[0008] Signal indication module. The signal indication module includes a first indicator light, a second indicator light, and a third indicator light. The signal indication module further includes a resistor R3, a resistor R4, and a resistor R5. One end of the resistor R3 is electrically connected to the 5V power supply, and the other end of the resistor R3 is electrically connected to the common terminal between the positive electrode of the first indicator light and the 9th terminal of the main control chip U1. One end of the resistor R4 is electrically connected to the 5V power supply, and the other end of the resistor R4 is electrically connected to the common terminal between the positive electrode of the second indicator light and the 10th terminal of the main control chip U1. One end of the resistor R5 is electrically connected to the 5V power supply, and the other end of the resistor R5 is electrically connected to the common terminal between the positive electrode of the third indicator light and the 11th terminal of the main control chip U1. The negative electrode of the first indicator light is grounded, the negative electrode of the second indicator light is electrically connected to the 31st terminal of the main control chip U1, and the negative electrode of the third indicator light is electrically connected to the 30th terminal of the main control chip U1.

[0009] As a preferred technical solution of the above technical solution, the first indicator light, the second indicator light, and the third indicator light are red, blue, and yellow respectively.

[0010] As a preferred technical solution of the above technical solution, the circuit board further includes a first interface module. The first interface module includes a read-write chip H10. The 1st terminal of the read-write chip H10 is electrically connected to the 16th terminal of the main control chip U1. The 3rd terminal of the read-write chip H10 is electrically connected to the 17th terminal of the main control chip U1. The 4th terminal of the read-write chip H10 is electrically connected to the 15th terminal of the main control chip U1. The 5th terminal of the read-write chip H10 is electrically connected to one end of a resistor R6. The other end of the resistor R6 is simultaneously electrically connected to the common terminal between the 4th terminal, the 6th terminal, and the 18th terminal of the main control chip U1. The 5th terminal of the read-write chip H10 is simultaneously electrically connected to the 29th terminal of the main control chip U1.

[0011] As a preferred technical solution of the above technical solution, the circuit board further includes a display module. The display module includes a display output chip U3. The 3rd terminal of the display output chip U3 is electrically connected to the 28th terminal of the main control chip U1. The 4th terminal of the display output chip U3 is electrically connected to the 27th terminal of the main control chip U1.

[0012] As a preferred technical solution of the above technical solution, the circuit board further includes a second interface module and a third interface module. The second interface module includes a TYPC chip U2. The third interface module includes a USB to serial port chip U4. The 5th terminal of the USB to serial port chip U4 is electrically connected to the A6 terminal of the TYPC chip U2. The 6th terminal of the USB to serial port chip U4 is electrically connected to the A7 terminal of the TYPC chip U2.

[0013] The non-contact throttle sensor disclosed by the present utility model has the beneficial effect that the main control chip U1 outputs a first opening / closing signal, a second opening / closing signal, and a third opening / closing signal to the first indicator light, the second indicator light, and the third indicator light respectively, so that the first indicator light, the second indicator light, and the third indicator light are respectively turned on or off. The first indicator light, the second indicator light, and the third indicator light are red, blue, and yellow respectively, and are respectively used to indicate the air pressure state of the throttle valve. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is the circuit schematic diagram of the main control module of the present application.

[0015] Figure 2 is the circuit schematic diagram of the pressure module of the present application.

[0016] Figure 3 is the circuit schematic diagram of the signal indication module of the present application.

[0017] Figure 4 is the circuit schematic diagram of the first interface module of the present application.

[0018] Figure 5 is the circuit schematic diagram of the second interface module of the present application.

[0019] Figure 6 is the circuit schematic diagram of the display module of the present application.

[0020] Figure 7 is the circuit schematic diagram of the Bluetooth module of the present application.

[0021] Figure 8 is the circuit schematic diagram of the third interface module of the present application. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] The present utility model discloses a non-contact throttle sensor. The following describes the specific embodiments of the present utility model in further detail with reference to the preferred embodiment (Embodiment 1) and the accompanying drawings Figures 1 to 8 , and makes a further description of the specific embodiments of the present utility model.

[0023] Referring to the accompanying drawings Figures 1 to 8 , Figures 1 to 8 respectively show the circuit structures of the main control module, the pressure module, the signal indication module, the first interface module, the second interface module, the display module, the Bluetooth module, and the third interface module.

[0024] Embodiment 1.

[0025] Preferably, the non-contact throttle sensor includes a circuit board and an intake duct (not shown in the figure). The circuit board includes:

[0026] a main control module, and the main control module includes a main control chip U1,

[0027] A pressure module, which includes a pressure sensor H9. The pressure sensor H9 is arranged at the intake end of the intake duct, avoiding directly arranging the pressure sensor H9 inside the throttle valve. The No. 2 terminal of the pressure sensor H9 is electrically connected to the No. 23 terminal of the main control chip U1. A capacitor C7 is connected in parallel between the No. 2 terminal and the No. 1 terminal of the pressure sensor H9; enabling the pressure sensor H9 to output the air pressure signal of the intake end of the intake duct to the main control chip U1.

[0028] A signal indication module, which includes a first indicator light (LED1), a second indicator light (LED2) and a third indicator light (LED3). The signal indication module also includes a resistor R3, a resistor R4 and a resistor R5. One end of the resistor R3 is electrically connected to the 5V power supply, and the other end of the resistor R3 is electrically connected to the common terminal between the positive electrode of the first indicator light and the No. 9 terminal of the main control chip U1. One end of the resistor R4 is electrically connected to the 5V power supply, and the other end of the resistor R4 is electrically connected to the common terminal between the positive electrode of the second indicator light and the No. 10 terminal of the main control chip U1. One end of the resistor R5 is electrically connected to the 5V power supply, and the other end of the resistor R5 is electrically connected to the common terminal between the positive electrode of the third indicator light and the No. 11 terminal of the main control chip U1. The negative electrode of the first indicator light is grounded, the negative electrode of the second indicator light is electrically connected to the No. 31 terminal of the main control chip U1, and the negative electrode of the third indicator light is electrically connected to the No. 30 terminal of the main control chip U1; enabling the main control chip U1 to output a first opening and closing signal, a second opening and closing signal and a third opening and closing signal to the first indicator light, the second indicator light and the third indicator light respectively, so that the first indicator light, the second indicator light and the third indicator light are conducted or turned off respectively.

[0029] Among them, the circuit board further includes a first interface module, which includes a read-write chip H10. The No. 1 terminal of the read-write chip H10 is electrically connected to the No. 16 terminal of the main control chip U1. The No. 3 terminal of the read-write chip H10 is electrically connected to the No. 17 terminal of the main control chip U1. The No. 4 terminal of the read-write chip H10 is electrically connected to the No. 15 terminal of the main control chip U1. The No. 5 terminal of the read-write chip H10 is electrically connected to one end of a resistor R6, and the other end of the resistor R6 is simultaneously electrically connected to the common terminal between the No. 4 terminal, the No. 6 terminal and the No. 18 terminal of the main control chip U1. The No. 5 terminal of the read-write chip H10 is simultaneously electrically connected to the No. 29 terminal of the main control chip U1; enabling the read-write chip H10 to output a read-write signal to the main control chip U1.

[0030] Among them, the first indicator light, the second indicator light and the third indicator light are red, blue and yellow respectively, and are respectively used to indicate the air pressure state of the intake end of the intake duct of the throttle valve.

[0031] Among them, the circuit board further includes a display module. The display module includes a display output chip U3. The 3rd terminal of the display output chip U3 is electrically connected to the 28th terminal of the main control chip U1, and the 4th terminal of the display output chip U3 is electrically connected to the 27th terminal of the main control chip U1; thus, the main control chip U1 outputs a display signal to the display output chip U3.

[0032] Among them, the circuit board further includes a second interface module and a third interface module. The second interface module includes a TYPC chip U2, and the third interface module includes a USB to serial port chip U4. The 5th terminal of the USB to serial port chip U4 is electrically connected to the A6 terminal of the TYPC chip U2, and the 6th terminal of the USB to serial port chip U4 is electrically connected to the A7 terminal of the TYPC chip U2.

[0033] Among them, the common terminal between the 2nd terminal of the pressure sensor H9 and the capacitor C7 is electrically connected to one end of the pull-up resistor R2, and the other end of the pull-up resistor R2 is electrically connected to the 5V power supply.

[0034] Among them, the circuit board further includes a Bluetooth module. The Bluetooth module includes a Bluetooth chip H1.

[0035] Among them, the main control chip U1 preferably adopts ATMEGA328P-AU.

[0036] Among them, the USB to serial port chip U4 preferably adopts CH340C_JX.

[0037] It is worth mentioning that the data conversion algorithm and other technical features of the main control chip U1 that the patent application of the present utility model may involve should be regarded as the prior art. For the specific structures, working principles, control methods, and spatial arrangement methods that may be involved in these technical features, conventional selections in the art can be adopted, and they should not be regarded as the inventive points of the patent of the present utility model. The patent of the present utility model will not be further specifically elaborated.

[0038] For those skilled in the art, it is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A non-contact throttle sensor, comprising a circuit board and an intake duct, characterized in that: The circuit board includes: Main control module, the main control module includes the main control chip U1, The pressure module includes a pressure sensor H9, which is disposed at the air intake end of the air intake duct. Terminal 2 of the pressure sensor H9 is electrically connected to terminal 23 of the main control chip U1, and a capacitor C7 is connected in parallel between terminal 2 of the pressure sensor H9 and terminal 1 of the pressure sensor H9; A signal indication module, the signal indication module includes a first indicator light, a second indicator light and a third indicator light, the signal indication module also includes a resistor R3, a resistor R4 and a resistor R5, one end of the resistor R3 is electrically connected to a 5V power supply, the other end of the resistor R3 is electrically connected to a common end between the positive electrode of the first indicator light and terminal 9 of the main control chip U1, one end of the resistor R4 is electrically connected to a 5V power supply, the other end of the resistor R4 is electrically connected to a common end between the positive electrode of the second indicator light and terminal 10 of the main control chip U1, one end of the resistor R5 is electrically connected to a 5V power supply, the other end of the resistor R5 is electrically connected to a common end between the positive electrode of the third indicator light and terminal 11 of the main control chip U1, the negative electrode of the first indicator light is grounded, the negative electrode of the second indicator light is electrically connected to terminal 31 of the main control chip U1, and the negative electrode of the third indicator light is electrically connected to terminal 30 of the main control chip U1.

2. The non-contact throttle sensor according to claim 1, characterized in that: The first indicator light, the second indicator light and the third indicator light are red, blue and yellow respectively.

3. The non-contact throttle sensor according to claim 1, characterized in that: The circuit board also includes a first interface module, which includes a read-write chip H10, wherein terminal 1 of the read-write chip H10 is electrically connected to terminal 16 of the main control chip U1, terminal 3 of the read-write chip H10 is electrically connected to terminal 17 of the main control chip U1, terminal 4 of the read-write chip H10 is electrically connected to terminal 15 of the main control chip U1, terminal 5 of the read-write chip H10 is electrically connected to one end of a resistor R6, and the other end of the resistor R6 is electrically connected to a common end between terminal 4 of the main control chip U1, terminal 6 of the main control chip U1, and terminal 18 of the main control chip U1, and terminal 5 of the read-write chip H10 is electrically connected to terminal 29 of the main control chip U1.

4. The non-contact throttle sensor according to claim 1, characterized in that: The circuit board also includes a display module, which includes a display output chip U3, wherein terminal 3 of the display output chip U3 is electrically connected to terminal 28 of the main control chip U1, and terminal 4 of the display output chip U3 is electrically connected to terminal 27 of the main control chip U1.

5. The non-contact throttle sensor according to claim 1, characterized in that: The circuit board also includes a second interface module and a third interface module. The second interface module includes a TYPC chip U2. The third interface module includes a USB-to-serial port chip U4. Terminal 5 of the USB-to-serial port chip U4 is electrically connected to terminal A6 of the TYPC chip U2. Terminal 6 of the USB-to-serial port chip U4 is electrically connected to terminal A7 of the TYPC chip U2.

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