CN106640384A - Non-contact type hand and foot integrated waterproof electronic throttle - Google Patents
Non-contact type hand and foot integrated waterproof electronic throttle Download PDFInfo
- Publication number
- CN106640384A CN106640384A CN201610918373.6A CN201610918373A CN106640384A CN 106640384 A CN106640384 A CN 106640384A CN 201610918373 A CN201610918373 A CN 201610918373A CN 106640384 A CN106640384 A CN 106640384A
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- resistance
- hall
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 28
- 239000010959 steel Substances 0.000 claims abstract description 28
- 238000001514 detection method Methods 0.000 claims abstract description 11
- 238000006243 chemical reaction Methods 0.000 claims description 19
- 230000000087 stabilizing effect Effects 0.000 claims description 12
- 239000013078 crystal Substances 0.000 claims description 9
- 230000005611 electricity Effects 0.000 claims description 7
- 230000011664 signaling Effects 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 4
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000007789 sealing Methods 0.000 abstract description 5
- 208000035874 Excoriation Diseases 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 4
- 230000001133 acceleration Effects 0.000 description 2
- 238000003491 array Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D11/00—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated
- F02D11/02—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by hand, foot, or like operator controlled initiation means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D11/00—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated
- F02D11/06—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance
- F02D11/10—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance of the electric type
- F02D11/105—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance of the electric type characterised by the function converting demand to actuation, e.g. a map indicating relations between an accelerator pedal position and throttle valve opening or target engine torque
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D11/00—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated
- F02D11/06—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance
- F02D11/10—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance of the electric type
- F02D11/106—Detection of demand or actuation
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
The invention discloses a non-contact type hand and foot integrated waterproof electronic throttle. The non-contact type hand and foot integrated waterproof electronic throttle comprises a base, a pedal, a position rocker, a sealing circuit box, a spring, a position detection input circuit and a sensor control circuit; the position detection input circuit comprises magnetic steel and a Hall element array, the magnetic steel is arranged on a short arm of the position rocker, and the Hall element array and the sensor control circuit are arranged in the sealing circuit box through a circuit board; when the pedal is at the initial position, the short arm of the position rocker is at the highest position, the magnetic steel faces a first Hall element at the upper end of the Hall element array in the sealing circuit box, the Hall element inputs a pedal position signal to the sensor control circuit, and the pedal position signal is processed by the sensor control circuit and is outwards output to serve as a throttle signal at idle; and when the pedal is stepped, the magnetic steel on the short arm of the position rocker faces a Hall element at the corresponding position in the sealing circuit box along with changes of the position of the pedal, the sensor control circuit collects data of the Hall element array, and the data are processed to be outwards output to serve as throttle signals at the pedal position.
Description
Technical field
The present invention relates to a kind of a kind of noncontact hand, pin integrated water-proof E-Gas on automobile, tractor.
Background technology
Currently used for the non-contact electronic acceleration on automobile or tractor, mainly using photoelectricity, electromagnetism or hall principle,
Sensor signal source movement is driven by step on the accelerator, corresponding pedal position letter is produced by corresponding sensor sensing body
Number, the process of Jing sensor control circuits outwards exports accelerator pedal position signal.Existing non-contact electronic acceleration, due to adopting
Sensor signal source movement is driven by rotating shaft with gas pedal, therefore Long-Time Service causes the secondary abrasion of rotating shaft, and sensor
Without isolating seal between signal source and sensor sensing body, in the presence of a harsh environment, particularly Field-working Tractor-implement when, easily enter
Water, enter dirt and cause throttle degradation, fault rate to increase.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of contactless hand, pin integrated water-proof E-Gas, the electricity
Electronic throttle can not only overcome prior art because of abrasion the short problem of caused service life, and while have hand throttle work(
Can, and can waterproof and dustproof, the operating environment severe so as to especially adapt to tractor paddy field field.
To solve above-mentioned technical problem, a kind of contactless hand of the present invention, pin integrated water-proof E-Gas, the bottom of containing
Seat, pedal, one end of pedal constitutes with one end of base and is hinged, also containing position rocking arm, potted circuit box, spring, position inspection
Input circuit and sensor control circuit are surveyed, position detection input circuit includes magnet steel and Hall element array, the pedal
Middle part is provided with positive stop hook, and the positive stop hook is installed in the through hole matched with positive stop hook that base is provided with, and position rocking arm is L-shaped knot
Structure, containing long-armed and galianconism, long-armed one end and one end composition of base is hinged, one end of galianconism is positioned at the lower section of pedal, bullet
One end of spring is arranged on base, the other end of spring is arranged on the long-armed spring base being provided with of position rocking arm, Hall element
Array and sensor control circuit are arranged in potted circuit box by circuit board, and the Hall element array is electric with sensor control
Road is connected, and potted circuit box is arranged on base, and Hall element array is located at the one end inside potted circuit box, Hall element battle array
Arc shaped is arranged into, the magnet steel is arranged on the galianconism of position rocking arm, and magnet steel is corresponding with Hall element array, Hall element battle array
The camber line of row is consistent with the magnet steel swinging track on the rocking arm of position；When pedal is in initial position, in spring and pedal positive stop hook
Collective effect under, the galianconism of position rocking arm is in extreme higher position, in the magnet steel on the rocking arm galianconism of position and potted circuit box suddenly
You just correspond to element arrays upper end first Hall element, and the Hall element is to sensor control circuit input pedal position letter
Number, after being processed by sensor control circuit, throttle signal when outwards exporting idling；When pushes pedals, pedal presses position and shakes
The galianconism of arm overcomes the elastic force of spring, makes the magnet steel on the rocking arm galianconism of position corresponding with potted circuit box with the position of pedal
Hall element on position is just right, and sensor control circuit gathers the data of Hall element array, and outwards output is stepped on Jing after processing
The throttle signal of Board position.
The Hall element array of the position detection input circuit is 16 position Hall modules；The sensor control circuit
Containing throttle control circuit, central processing unit, signal decoding conversion output circuit, input contact pin；Input contact pin includes
OUT1 contact pins, VCC contact pins, OUT2 contact pins and GND contact pins；
Throttle control circuit contain latch U2, latch U3, resistance R1, hand throttle switch K1, the VCC pin of latch U2 with it is defeated
Enter to hold the VCC contact pins of contact pin 11 to be connected with one end of resistance R1, the GND pin of latch U2 and/OE pin are grounded, the G of latch U2
The other end of end and resistance R1 is both connected to one end that hand throttle switchs K1；The VCC pin of latch U3 and the VCC of input contact pin
Contact pin is connected, GND pin and/OE pin are grounded, and one end that the G ends of latch U3 switch K1 with hand throttle is connected, hand throttle switch K1
The other end ground connection；
Central processing unit contains microprocessor U1, resistance R2, resistance R3, electric capacity C1, electric capacity C2, electric capacity C3, crystal oscillator Y1, microprocessor
The VCC pin of device U1 are both connected on the VCC contact pins of input contact pin with one end of one end of electric capacity C3 and resistance R3, resistance R2's
One end is connected to the RST ends of microprocessor U1 with the other end of electric capacity C3, and the other end of resistance R2 is grounded, microprocessor U1/
EA/VPP pin are connected with the other end of resistance R3, and the XTAL1 of microprocessor U1 is connected with one end of one end of crystal oscillator and electric capacity C1,
The XTAL2 of microprocessor U1 is connected with the other end of crystal oscillator and electric capacity C2 one end, and the other end of electric capacity C1 and electric capacity C2 is grounded,
The GND pin ground connection of microprocessor U1；
Signal decoding conversion output circuit contains decoding modular converter U4, decoding modular converter U5, resistance R4, resistance R5, resistance
R6, resistance R7, electric capacity C4, electric capacity C5, voltage stabilizing chip D1, voltage stabilizing chip D2,
The vdd terminal of decoding modular converter U4 is connected on the VCC contact pins of input contact pin, OUT terminal is connected to input contact pin
On OUT1 contact pins, REFIN ends be connected with one end of electric capacity C4 and one end of resistance R4, the other end of electric capacity C4 ground connection, resistance R4
The other end be connected with one end of resistance R5, the other end of resistance R5 is connected with the VCC contact pins of input contact pin, voltage stabilizing chip D1
Terminal 1 and terminal 3 is connected between resistance R4 and resistance R5, terminal 2 is grounded, decode modular converter U4 AGND ends ground connection；
The vdd terminal of decoding modular converter U5 is connected on the VCC contact pins of input contact pin, OUT terminal is connected to the OUT2 of input contact pin
On contact pin, REFIN ends be connected with one end of electric capacity C5 and one end of resistance R6, the other end of electric capacity C5 ground connection, resistance R6's is another
One end is connected with one end of resistance R7, and the other end of resistance R7 is connected with the VCC contact pins of input contact pin, the end of voltage stabilizing chip D2
Son 1 and terminal 3 is connected between resistance R6 and resistance R7, terminal 2 is grounded, decodes the AGND ends ground connection of modular converter U5；
The VCC pin of 16 position Hall modules are connected with the VCC contact pins of input contact pin, B1 ends and the latch of 16 position Hall modules
The 1D ends of device U2 are connected, the B2 ends of 16 position Hall modules are connected with the 2D ends of latch U2, the B3 ends of 16 position Hall modules
It is connected with the 3D ends of latch U2, the B4 ends of 16 position Hall modules are connected with the 4D ends of latch U2,16 position Hall modules
B5 ends be connected with the 5D ends of latch U2, the B6 ends of 16 position Hall modules are connected with the 6D ends of latch U2,16 positions suddenly
The 7D ends of the B7 and latch U2 of your module are connected, the 8D ends of the B8 and latch U2 of 16 position Hall modules are connected, 16 positions
The B9 of Hall module is connected with the 1D ends of latch U3, the 2D ends of the B10 and latch U3 of 16 position Hall modules are connected, 16
The 3D ends for putting the B11 and latch U3 of Hall module are connected, the 4D ends of the B12 and latch U3 of 16 position Hall modules are connected,
The 5D ends of the B13 and latch U3 of 16 position Hall modules are connected, the 6D ends phase of the B14 and latch U3 of 16 position Hall modules
Connect, the 7D ends of the B15 and latch U3 of 16 position Hall modules are connected, the 8D of the B16 and latch U3 of 16 position Hall modules
End is connected；
The 1Q of the latch U2 of throttle control circuit is connected with the P2.0 of the microprocessor U1 of central processing unit, the 2Q of latch U2
It is connected with the P2.1 of microprocessor U1, the 3Q of latch U2 is connected with the P2.2 of microprocessor U1, the 4Q of latch U2 and Wei Chu
The P2.3 connections of reason device U1, the 5Q of latch U2 are connected with the P2.4 of microprocessor U1, the 6Q of latch U2 and microprocessor U1
P2.5 connection, the 7Q of latch U2 be connected with the P2.6 of microprocessor U1, the P2.7 of the 8Q of latch U2 and microprocessor U1
Connection；The 1Q of latch U3 is connected with the P0.7 of the microprocessor U1 of central processing unit, the 2Q of latch U3 and microprocessor U1
P0.6 connection, the 3Q of latch U3 be connected with the P0.5 of microprocessor U1, the P0.4 of the 4Q of latch U3 and microprocessor U1
Connect, the 5Q of latch U3 is connected with the P0.3 of microprocessor U1, the 6Q of latch U3 is connected with the P0.2 of microprocessor U1, locks
The 7Q of storage U3 is connected with the P0.1 of microprocessor U1, the 8Q of latch U3 is connected with the P0.0 of microprocessor U1；
The P1.0 pin of the microprocessor U1 of central processing unit and decoding modular converter U5 /CS ends are connected, central processing unit it is micro-
The P1.1 pin of processor U1 and decoding modular converter U4 /CS ends be connecteds, the P1.2 pin of the microprocessor U1 of central processing unit and
The SCLK ends of decoding modular converter U4 are connected with the SCLK ends of decoding modular converter U5, the microprocessor U1's of central processing unit
P1.3 pin are connected with the DEN ends of decoding modular converter U4 and the DEN ends of decoding modular converter U5；
When hand throttle switch K1 is opened, when pushes pedals, the magnet steel on the rocking arm of position is corresponding to 16 position Hall modules therewith
Location sensitive face is just right, and 16 position Hall modules export corresponding position signalling, latch U2 and latch in throttle control circuit
Device U3 is latched allows end G to be high level, and output data changes with the different of input data, and pedal position signal passes through 16 positions
Hall module latched device U2 and latch U3 sends microprocessor U1 to, and microprocessor U1 passes latch U2 and latch U3
Come data, according to pedal position carry out with main signal OUT1, from signal OUT2 corresponding relations coding formed serial data with it is micro-
The synchronised clock that the P1.2 pin of processor U1 are produced coordinates, and Jing P1.3 send signal decoding conversion output circuit to, work as microprocessor
When the P1.1 pin of device U1 are low level, effectively, serial data is turned by modular converter U4 decodings are decoded for decoding modular converter U4 chip selects
Change main signal OUT1 into；When the P1.0 pin of microprocessor U1 are low level, decoding modular converter U5 chip selects are effective, serial data
It is converted into from signal OUT2 by decoding modular converter U5 decodings；When pedal 2 is stepped on certain position, closure hand throttle switch K1, oil
Latch U2 and latch U3 is latched in gate control circuit allows end G to be low level, and the data of 16 Hall module outputs are locked
Deposit and do not change with input data, now microprocessor U1 is constant from the data that latch U2 and latch U3 is input into, and is compiled
Code formation serial data is also constant, main signal OUT1 of decoding modular converter U4 decoding conversions is constant, decoding modular converter U5 is solved
It is also constant from signal OUT2 that code is changed.
Box plate thickness of the potted circuit box at Hall element array is no thicker than 3mm.
The base is provided with convex portion, and the through hole matched with the positive stop hook is arranged on the top of the convex portion.
The one end for the convex portion that the base is provided with is arcuate structure, the Hall positioned at potted circuit box inside one end
Element arrays are located at the one side of the arcuate structure.
In above-mentioned contactless hand, pin integrated water-proof E-Gas, as a result of magnet steel and Hall element array
Sensed for cordless, thus overcome prior art because of abrasion the short problem of caused service life.And by
In energy latch data, therefore with hand throttle function.Simultaneously because Hall element array and sensor control circuit are fully sealed
In potted circuit box, therefore not only long service life, and waterproof and dustproof.Dislike so as to especially adapt to tractor paddy field field
Bad operating environment.
Description of the drawings
Fig. 1 is to invent a kind of structural representation of non-contact seals waterproof E-Gas；
Fig. 2 is a kind of structural representation of the non-contact seals waterproof E-Gas of invention after potted circuit box is removed；
Fig. 3 is a kind of contactless hand of the present invention, the electrical schematic diagram of pin integrated water-proof E-Gas.
1. base in figure, 2. pedal, 3. position rocking arm, 4. spring, 5. pedal shaft, 6. rocker arm shaft, 7. positive stop hook,
8. potted circuit box, 9. magnet steel, 10. Hall element array, 11. input contact pins, 12. signals decoding conversion output circuit,
13. central processing units, 14. positions detection input circuit, 15. throttle control circuits.
Specific embodiment
In Fig. 1, Fig. 2 and Fig. 3, a kind of contactless hand, pin integrated water-proof E-Gas, containing base 1, pedal 2, are stepped on
One end of plate 2 constitutes with one end of base 1 and is hinged, also containing position rocking arm 3, potted circuit box 8, the detection input of spring 4, position
Circuit 14 and sensor control circuit.Position detection 14 circuits of input include magnet steel 9 and Hall element array 10.The pedal 2
Middle part be provided with positive stop hook 7, the positive stop hook 7 is installed in the through hole matched with positive stop hook 7 that base 1 is provided with.Position rocking arm 3
For L-shaped structure, containing long-armed and galianconism, long-armed one end and one end composition of base 1 is hinged, one end of galianconism is located at pedal 2
Lower section, one end of spring 4 is arranged on base 1, the other end of spring 4 is arranged on the long-armed spring being provided with of position rocking arm 3
On seat.Hall element array 10 and sensor control circuit are arranged in potted circuit box 8 by circuit board, the Hall element battle array
Row 10 are connected with sensor control circuit, and potted circuit box 8 is arranged on base 1, and Hall element array 10 is located at potted circuit
One end inside box 8,10 one-tenth arc shapeds of Hall element array.The magnet steel 9 is arranged on the galianconism of position rocking arm 3, magnet steel 9 with
Hall element array 10 is corresponding, and the camber line of Hall element array 10 is consistent with the swinging track of magnet steel 9 on position rocking arm 3.When
In initial position, under the collective effect of spring 4 and pedal positive stop hook 7, the galianconism of position rocking arm 3 is in highest order to pedal 2
Put, the magnet steel 9 on the galianconism of position rocking arm 3 is just right with 10 upper end first of Hall element array in potted circuit box 8 Hall element
Should, the Hall element to sensor control circuit is input into the position signalling of pedal 2, outwards defeated after being processed by sensor control circuit
Throttle signal when going out idling；When pushes pedals 2, pedal 2 presses the elastic force that the galianconism of position rocking arm 3 overcomes spring 4, makes position
Magnet steel 9 on the galianconism of rocking arm 3 is just right with the Hall element on opposite position in potted circuit box 8 with the position of pedal 2, sensing
Device control circuit gathers the data of Hall element array, and the throttle signal of the position of pedal 2 is outwards exported Jing after processing.
The Hall element array 10 of the position detection input circuit 14 is 16 position Hall modules；The sensor control
Circuit contains throttle control circuit 15, central processing unit 13, signal decoding conversion output circuit 12, input contact pin 11；Input
End contact pin 11 includes OUT1 contact pins, VCC contact pins, OUT2 contact pins and GND contact pins.
Throttle control circuit 15 is containing latch U2, latch U3, resistance R1, hand throttle switch K1, the VCC of latch U2
Pin is connected with the VCC contact pins of input contact pin 11 and one end of resistance R1, and the GND pin of latch U2 and/OE pin are grounded, latch
The G ends of U2 and the other end of resistance R1 are both connected to one end that hand throttle switchs K1；The VCC pin of latch U3 and input contact pin
VCC contact pins be connected, GND pin and/OE pin ground connection, the G ends of latch U3 are connected with one end of hand throttle switch K1, and hand throttle is opened
Close the other end ground connection of K1.
Central processing unit 13 contains microprocessor U1, resistance R2, resistance R3, electric capacity C1, electric capacity C2, electric capacity C3, crystal oscillator Y1,
The VCC pin of microprocessor U1 are both connected on the VCC contact pins of input contact pin with one end of one end of electric capacity C3 and resistance R3, electricity
One end of resistance R2 is connected to the RST ends of microprocessor U1, the other end ground connection of resistance R2, microprocessor with the other end of electric capacity C3
U1 /EA/VPP pin are connected with the other end of resistance R3, the XTAL1 of microprocessor U1 and one end of crystal oscillator and one end of electric capacity C1
It is connected, the XTAL2 of microprocessor U1 is connected with the other end of crystal oscillator and electric capacity C2 one end, and the other end of electric capacity C1 and electric capacity C2 is equal
Ground connection, the GND pin ground connection of microprocessor U1.
Signal decoding conversion output circuit 12 is containing decoding modular converter U4, decoding modular converter U5, resistance R4, resistance
R5, resistance R6, resistance R7, electric capacity C4, electric capacity C5, voltage stabilizing chip D1, voltage stabilizing chip D2, the vdd terminal for decoding modular converter U4 connects
It is connected on the VCC contact pins of input contact pin, OUT terminal is connected on the OUT1 contact pins of input contact pin, REFIN ends and electric capacity C4
One end is connected with one end of resistance R4, and the other end ground connection of electric capacity C4, the other end of resistance R4 is connected with one end of resistance R5, electricity
The other end of resistance R5 is connected with the VCC contact pins of input contact pin, the terminal 1 of voltage stabilizing chip D1 and terminal 3 be connected to resistance R4 and
Between resistance R5, terminal 2 be grounded, decode modular converter U4 AGND ends ground connection；The vdd terminal of decoding modular converter U5 is connected to defeated
Enter to hold on the VCC contact pins of contact pin, OUT terminal is connected on the OUT2 contact pins of input contact pin, one end of REFIN ends and electric capacity C5 and
One end of resistance R6 is connected, and the other end ground connection of electric capacity C5, the other end of resistance R6 is connected with one end of resistance R7, resistance R7's
The other end is connected with the VCC contact pins of input contact pin, and terminal 1 and the terminal 3 of voltage stabilizing chip D2 are connected to resistance R6 and resistance R7
Between, terminal 2 be grounded, decode modular converter U5 AGND ends ground connection.
The VCC pin of 16 position Hall modules are connected with the VCC contact pins of input contact pin, the B1 ends of 16 position Hall modules with
The 1D ends of latch U2 are connected, the B2 ends of 16 position Hall modules are connected with the 2D ends of latch U2,16 position Hall modules
B3 ends are connected with the 3D ends of latch U2, the B4 ends of 16 position Hall modules are connected with the 4D ends of latch U2,16 position Halls
The B5 ends of module are connected with the 5D ends of latch U2, the B6 ends of 16 position Hall modules are connected with the 6D ends of latch U2,16
The 7D ends for putting the B7 and latch U2 of Hall module are connected, the 8D ends of the B8 and latch U2 of 16 position Hall modules are connected, and 16
The 1D ends of the B9 and latch U3 of position Hall module are connected, the 2D ends of the B10 and latch U3 of 16 position Hall modules are connected,
The 3D ends of the B11 and latch U3 of 16 position Hall modules are connected, the 4D ends phase of the B12 and latch U3 of 16 position Hall modules
Connect, the 5D ends of the B13 and latch U3 of 16 position Hall modules are connected, the 6D of the B14 and latch U3 of 16 position Hall modules
End is connected, the 7D ends of the B15 and latch U3 of 16 position Hall modules are connected, the B16 and latch U3 of 16 position Hall modules
8D ends be connected.
The 1Q of the latch U2 of throttle control circuit 15 is connected, latches with the P2.0 of the microprocessor U1 of central processing unit 13
The 2Q of device U2 is connected with the P2.1 of microprocessor U1, the 3Q of latch U2 is connected with the P2.2 of microprocessor U1, latch U2
4Q is connected with the P2.3 of microprocessor U1, the 5Q of latch U2 is connected with the P2.4 of microprocessor U1, the 6Q of latch U2 with it is micro-
The P2.5 connections of processor U1, the 7Q of latch U2 are connected with the P2.6 of microprocessor U1, the 8Q of latch U2 and microprocessor
The P2.7 connections of U1；The 1Q of latch U3 is connected with the P0.7 of the microprocessor U1 of central processing unit, the 2Q of latch U3 with it is micro-
The P0.6 connections of processor U1, the 3Q of latch U3 are connected with the P0.5 of microprocessor U1, the 4Q of latch U3 and microprocessor
The P0.4 connections of U1, the 5Q of latch U3 are connected with the P0.3 of microprocessor U1, the 6Q of latch U3 and microprocessor U1
P0.2 connections, the 7Q of latch U3 are connected with the P0.1 of microprocessor U1, the P0.0 of the 8Q of latch U3 and microprocessor U1 connects
Connect.
The P1.0 pin of the microprocessor U1 of central processing unit 13 decode the decoding modulus of conversion of conversion output circuit 12 with signal
Block U5 /connection of CS ends, the P1.1 pin of the microprocessor U1 of central processing unit with decode modular converter U4 /CS ends are connected, in
The P1.2 pin of the microprocessor U1 of central processor and the SCLK ends of decoding modular converter U4 and the SCLK ends of decoding modular converter U5
It is connected, the DEN ends of the P1.3 pin of the microprocessor U1 of central processing unit and decoding modular converter U4 and decodes modular converter U5's
DEN ends are connected.
Hand throttle switch K1 open when, when pushes pedals 2, the magnet steel 9 on position rocking arm 3 therewith with 16 position Hall moulds
Block relevant position sensitive surface is just right, and 16 position Hall modules export corresponding position signalling, latch in throttle control circuit 15
U2 and latch U3 is latched allows end G to be high level, and output data changes, the position signalling of pedal 2 with the different of input data
Microprocessor U1 is sent to by the latched device U2 and latch U3 of 16 position Hall modules, microprocessor U1 by latch U2 and
The data that latch U3 is transmitted, carry out coding and form string according to the position of pedal 2 and main signal OUT1, from signal OUT2 corresponding relations
The synchronised clock that row data are produced with the P1.2 pin of microprocessor U1 coordinates, and Jing P1.3 send signal decoding conversion output electricity to
Road, when the P1.1 pin of microprocessor U1 are low level, effectively, serial data is by decoding modulus of conversion for decoding modular converter U4 chip selects
Block U4 decodings are converted into main signal OUT1；When the P1.0 pin of microprocessor U1 are low level, decoding modular converter U5 chip selects have
Effect, serial data is converted into from signal OUT2 by modular converter U5 decodings are decoded.
When pedal 2 is stepped on certain position, closure hand throttle switch K1, latch U2 and latch in throttle control circuit 15
U3 is latched allows end G to be low level, and the data of 16 Hall module outputs are latched and do not change with input data, now micro- place
Reason device U1 is constant from the data that latch U2 and latch U3 are input into, and carries out coding and forms that serial data is also constant, decoding conversion
Main signal OUT1 of module U4 decoding conversion is constant, the U5 decoding conversions of decoding modular converter also constant from signal OUT2.
In order to ensure sensing capabilities, box plate thickness of the potted circuit box 8 at Hall element array is no thicker than 3mm.
To reduce reduces cost, the base 1 is provided with convex portion, and it is convex that the through hole matched with the positive stop hook 7 is arranged on this
On the top in portion.
In order to improve sensing capabilities, the one end for the convex portion that the base 1 is provided with is arcuate structure, described positioned at sealing electricity
The Hall element array of the inside one end of road box 8 is located at the one side of the arcuate structure.
In above-mentioned contactless hand, pin integrated water-proof E-Gas, as a result of magnet steel 9 and Hall element array
10 are sensed for cordless, thus overcome prior art because of abrasion the short problem of caused service life.Simultaneously
Because Hall element array 10 and sensor control circuit are entirely sealed in potted circuit box 8, therefore not only long service life,
And waterproof and dustproof.The operating environment severe so as to especially adapt to tractor paddy field field.Simultaneously as working as pushes pedals 2
When, 16 position Hall modules export the latched device of corresponding position signalling and send microprocessor to, and microprocessor passes latch
The data come are encoded, and are formed serial line data sending and are given signal decoding conversion output circuit, when decoding modular converter U4 chip selects
When effectively, serial data is converted into main signal OUT1 by modular converter U4 decodings are decoded；When decoding, modular converter U5 chip selects are effective
When, serial data is converted into from signal OUT2 by modular converter U5 decodings are decoded.When pedal 2 is trampled to certain position, closure
Hand throttle switchs K1, and now the position signalling data of pedal 2 are latched, so as to keep microprocessor coding, decoding modular converter solution
Code data are constant, therefore the main signal and constant from signal voltage changed, so as to have both hand throttle function.
Claims (5)
1. a kind of contactless hand, pin integrated water-proof E-Gas, containing containing base, pedal, one end of pedal and base
One end constitute be hinged, it is characterised in that：Also containing position rocking arm, potted circuit box, spring, position detection input circuit and biography
Sensor control circuit, position detection input circuit includes magnet steel and Hall element array, and in the middle part of the pedal positive stop hook is provided with,
The positive stop hook is installed in the through hole matched with positive stop hook that base is provided with, and position rocking arm is L-shaped structure, containing long-armed and short
Arm, long-armed one end constitute with one end of base be hinged, one end of galianconism is located at the lower section of pedal, one end of spring is arranged on bottom
On seat, the other end of spring be arranged on the long-armed spring base being provided with of position rocking arm, Hall element array and sensor are controlled
Circuit is arranged in potted circuit box by circuit board, and the Hall element array is connected with sensor control circuit, potted circuit
Box is arranged on base, and Hall element array is located at the one end inside potted circuit box, and Hall element array is described into arc shaped
Magnet steel is arranged on the galianconism of position rocking arm, and magnet steel is corresponding with Hall element array, the camber line of Hall element array and position
Magnet steel swinging track on rocking arm is consistent；When pedal is in initial position, under the collective effect of spring and pedal positive stop hook, position
The galianconism for putting rocking arm is in extreme higher position, the magnet steel on the rocking arm galianconism of position and Hall element array upper end in potted circuit box the
One Hall element is just corresponded to, and the Hall element to sensor control circuit is input into pedal position signal, by sensor control electricity
After road is processed, throttle signal when outwards exporting idling；When pushes pedals, pedal presses the galianconism of position rocking arm and overcomes spring
Elastic force, make magnet steel on the rocking arm galianconism of position with the Hall element on position and the opposite position in potted circuit box of pedal just
Right, sensor control circuit gathers the data of Hall element array, and the throttle signal of pedal position is outwards exported Jing after processing.
2. a kind of contactless hand, pin integrated water-proof E-Gas according to claim 1, it is characterised in that：Institute's rheme
The Hall element array for putting detection input circuit is 16 position Hall modules；The sensor control circuit contains Throttle Opening Control electricity
Road, central processing unit, signal decoding conversion output circuit, input contact pin；Input contact pin include OUT1 contact pins, VCC contact pins,
OUT2 contact pins and GND contact pins；
Throttle control circuit contain latch U2, latch U3, resistance R1, hand throttle switch K1, the VCC pin of latch U2 with it is defeated
Enter to hold the VCC contact pins of contact pin 11 to be connected with one end of resistance R1, the GND pin of latch U2 and/OE pin are grounded, the G of latch U2
The other end of end and resistance R1 is both connected to one end that hand throttle switchs K1；The VCC pin of latch U3 and the VCC of input contact pin
Contact pin is connected, GND pin and/OE pin are grounded, and one end that the G ends of latch U3 switch K1 with hand throttle is connected, hand throttle switch K1
The other end ground connection；
Central processing unit contains microprocessor U1, resistance R2, resistance R3, electric capacity C1, electric capacity C2, electric capacity C3, crystal oscillator Y1, microprocessor
The VCC pin of device U1 are both connected on the VCC contact pins of input contact pin with one end of one end of electric capacity C3 and resistance R3, resistance R2's
One end is connected to the RST ends of microprocessor U1 with the other end of electric capacity C3, and the other end of resistance R2 is grounded, microprocessor U1/
EA/VPP pin are connected with the other end of resistance R3, and the XTAL1 of microprocessor U1 is connected with one end of one end of crystal oscillator and electric capacity C1,
The XTAL2 of microprocessor U1 is connected with the other end of crystal oscillator and electric capacity C2 one end, and the other end of electric capacity C1 and electric capacity C2 is grounded,
The GND pin ground connection of microprocessor U1；
Signal decoding conversion output circuit contains decoding modular converter U4, decoding modular converter U5, resistance R4, resistance R5, resistance
R6, resistance R7, electric capacity C4, electric capacity C5, voltage stabilizing chip D1, voltage stabilizing chip D2,
The vdd terminal of decoding modular converter U4 is connected on the VCC contact pins of input contact pin, OUT terminal is connected to input contact pin
On OUT1 contact pins, REFIN ends be connected with one end of electric capacity C4 and one end of resistance R4, the other end of electric capacity C4 ground connection, resistance R4
The other end be connected with one end of resistance R5, the other end of resistance R5 is connected with the VCC contact pins of input contact pin, voltage stabilizing chip D1
Terminal 1 and terminal 3 is connected between resistance R4 and resistance R5, terminal 2 is grounded, decode modular converter U4 AGND ends ground connection；
The vdd terminal of decoding modular converter U5 is connected on the VCC contact pins of input contact pin, OUT terminal is connected to the OUT2 of input contact pin
On contact pin, REFIN ends be connected with one end of electric capacity C5 and one end of resistance R6, the other end of electric capacity C5 ground connection, resistance R6's is another
One end is connected with one end of resistance R7, and the other end of resistance R7 is connected with the VCC contact pins of input contact pin, the end of voltage stabilizing chip D2
Son 1 and terminal 3 is connected between resistance R6 and resistance R7, terminal 2 is grounded, decodes the AGND ends ground connection of modular converter U5；
The VCC pin of 16 position Hall modules are connected with the VCC contact pins of input contact pin, B1 ends and the latch of 16 position Hall modules
The 1D ends of device U2 are connected, the B2 ends of 16 position Hall modules are connected with the 2D ends of latch U2, the B3 ends of 16 position Hall modules
It is connected with the 3D ends of latch U2, the B4 ends of 16 position Hall modules are connected with the 4D ends of latch U2,16 position Hall modules
B5 ends be connected with the 5D ends of latch U2, the B6 ends of 16 position Hall modules are connected with the 6D ends of latch U2,16 positions suddenly
The 7D ends of the B7 and latch U2 of your module are connected, the 8D ends of the B8 and latch U2 of 16 position Hall modules are connected, 16 positions
The B9 of Hall module is connected with the 1D ends of latch U3, the 2D ends of the B10 and latch U3 of 16 position Hall modules are connected, 16
The 3D ends for putting the B11 and latch U3 of Hall module are connected, the 4D ends of the B12 and latch U3 of 16 position Hall modules are connected,
The 5D ends of the B13 and latch U3 of 16 position Hall modules are connected, the 6D ends phase of the B14 and latch U3 of 16 position Hall modules
Connect, the 7D ends of the B15 and latch U3 of 16 position Hall modules are connected, the 8D of the B16 and latch U3 of 16 position Hall modules
End is connected；
The 1Q of the latch U2 of throttle control circuit is connected with the P2.0 of the microprocessor U1 of central processing unit, the 2Q of latch U2
It is connected with the P2.1 of microprocessor U1, the 3Q of latch U2 is connected with the P2.2 of microprocessor U1, the 4Q of latch U2 and Wei Chu
The P2.3 connections of reason device U1, the 5Q of latch U2 are connected with the P2.4 of microprocessor U1, the 6Q of latch U2 and microprocessor U1
P2.5 connection, the 7Q of latch U2 be connected with the P2.6 of microprocessor U1, the P2.7 of the 8Q of latch U2 and microprocessor U1
Connection；The 1Q of latch U3 is connected with the P0.7 of the microprocessor U1 of central processing unit, the 2Q of latch U3 and microprocessor U1
P0.6 connection, the 3Q of latch U3 be connected with the P0.5 of microprocessor U1, the P0.4 of the 4Q of latch U3 and microprocessor U1
Connect, the 5Q of latch U3 is connected with the P0.3 of microprocessor U1, the 6Q of latch U3 is connected with the P0.2 of microprocessor U1, locks
The 7Q of storage U3 is connected with the P0.1 of microprocessor U1, the 8Q of latch U3 is connected with the P0.0 of microprocessor U1；
The P1.0 pin of the microprocessor U1 of central processing unit and decoding modular converter U5 /CS ends are connected, central processing unit it is micro-
The P1.1 pin of processor U1 and decoding modular converter U4 /CS ends be connecteds, the P1.2 pin of the microprocessor U1 of central processing unit and
The SCLK ends of decoding modular converter U4 are connected with the SCLK ends of decoding modular converter U5, the microprocessor U1's of central processing unit
P1.3 pin are connected with the DEN ends of decoding modular converter U4 and the DEN ends of decoding modular converter U5；
When hand throttle switch K1 is opened, when pushes pedals, the magnet steel on the rocking arm of position is corresponding to 16 position Hall modules therewith
Location sensitive face is just right, and 16 position Hall modules export corresponding position signalling, latch U2 and latch in throttle control circuit
Device U3 is latched allows end G to be high level, and output data changes with the different of input data, and pedal position signal passes through 16 positions
Hall module latched device U2 and latch U3 sends microprocessor U1 to, and microprocessor U1 passes latch U2 and latch U3
Come data, according to pedal position carry out with main signal OUT1, from signal OUT2 corresponding relations coding formed serial data with it is micro-
The synchronised clock that the P1.2 pin of processor U1 are produced coordinates, and Jing P1.3 send signal decoding conversion output circuit to, work as microprocessor
When the P1.1 pin of device U1 are low level, effectively, serial data is turned by modular converter U4 decodings are decoded for decoding modular converter U4 chip selects
Change main signal OUT1 into；When the P1.0 pin of microprocessor U1 are low level, decoding modular converter U5 chip selects are effective, serial data
It is converted into from signal OUT2 by decoding modular converter U5 decodings；When pedal 2 is stepped on certain position, closure hand throttle switch K1, oil
Latch U2 and latch U3 is latched in gate control circuit allows end G to be low level, and the data of 16 Hall module outputs are locked
Deposit and do not change with input data, now microprocessor U1 is constant from the data that latch U2 and latch U3 is input into, and is compiled
Code formation serial data is also constant, main signal OUT1 of decoding modular converter U4 decoding conversions is constant, decoding modular converter U5 is solved
It is also constant from signal OUT2 that code is changed.
3. a kind of contactless hand, pin integrated water-proof E-Gas according to claim 1, it is characterised in that：It is described close
Box plate thickness of the envelope circuit box at Hall element array is no thicker than 3mm.
4. a kind of contactless hand, pin integrated water-proof E-Gas according to claim 1, it is characterised in that：The bottom
Seat is provided with convex portion, and the through hole matched with the positive stop hook is arranged on the top of the convex portion.
5. a kind of contactless hand, pin integrated water-proof E-Gas according to claim 4, it is characterised in that：The bottom
The one end for the convex portion that seat is provided with is arcuate structure, and the Hall element array positioned at potted circuit box inside one end is located at institute
State the one side of arcuate structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610918373.6A CN106640384A (en) | 2016-10-21 | 2016-10-21 | Non-contact type hand and foot integrated waterproof electronic throttle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610918373.6A CN106640384A (en) | 2016-10-21 | 2016-10-21 | Non-contact type hand and foot integrated waterproof electronic throttle |
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| Publication Number | Publication Date |
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| CN106640384A true CN106640384A (en) | 2017-05-10 |
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| CN201610918373.6A Pending CN106640384A (en) | 2016-10-21 | 2016-10-21 | Non-contact type hand and foot integrated waterproof electronic throttle |
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| CN206111354U (en) * | 2016-10-21 | 2017-04-19 | 江苏斯洛通电子科技有限公司 | Non -contact hand, waterproof electron throttle of foot integration |
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| JP2003148908A (en) * | 2001-11-14 | 2003-05-21 | Hitachi Unisia Automotive Ltd | Accelerator operation quantity detector |
| US20030221670A1 (en) * | 2002-06-03 | 2003-12-04 | Hitachi, Ltd. | Electronic control type throttle valve apparatus, non-contact type rotation angle detecting apparatus used in electronic control type throttle valve apparatus etc. and signal processing apparatus for hall element |
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