A kind of contactless handss, foot integrated water-proof E-Gas
Technical field
This utility model is related to a kind of a kind of noncontact handss, foot integrated water-proof electronics oil on automobile, tractor
Door.
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 life-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.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of contactless handss, foot integrated water-proof E-Gas,
The E-Gas can not only overcome prior art because of abrasion the short problem of caused service life, and while have handss oil
Door function, and can waterproof and dustproof, the working environment severe so as to especially adapt to tractor paddy field field.
To solve above-mentioned technical problem, a kind of contactless handss of this utility model, foot integrated water-proof E-Gas contain
Base, pedal, one end of pedal constitutes with one end of base and is hinged, also containing position rocking arm, potted circuit box, spring, position
Detection input circuit and sensor control circuit, position detection input circuit includes magnet steel and Hall element array, the pedal
Middle part be provided with positive stop hook, 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 galianconism, 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 base, the other end of spring is arranged on the long-armed spring base being provided with of position rocking arm, Hall unit
Part array and sensor control circuit are arranged in potted circuit box by circuit board, and the Hall element array is controlled with sensor
Circuit 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
Array is arranged on the galianconism of position rocking arm into arc shaped, the magnet steel, and magnet steel is corresponding with Hall element array, Hall element
The camber line of array is consistent with the magnet steel swinging track on the rocking arm of position;It is spacing in spring and pedal when pedal is in initial position
Under the collective effect of hook, 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
The Hall element of Hall element array upper end first is just corresponded to, 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 contains latch U2, latch U3, resistance R1, hand throttle switch K1, the VCC feet of latch U2
It is connected with the VCC contact pins of input contact pin 11 and one end of resistance R1, the GND feet of latch U2 and/OE feet are grounded, latch U2
G ends and resistance R1 the other end be both connected to hand throttle switch K1 one end;The VCC feet of latch U3 and input contact pin
VCC contact pins are connected, GND feet and/OE feet are grounded, and one end that the G ends of latch U3 switch K1 with hand throttle is connected, hand throttle switch
The other end ground connection of K1;
Central processing unit contains microprocessor U1, resistance R2, resistance R3, electric capacity C1, electric capacity C2, electric capacity C3, crystal oscillator Y1, micro-
The VCC feet of processor 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
One end of R2 is connected to the RST ends of microprocessor U1, the other end ground connection of resistance R2, microprocessor U1 with the other end of electric capacity C3
/ EA/VPP feet are connected with the other end of resistance R3, the XTAL1 of microprocessor U1 and one end of crystal oscillator and one end phase of electric capacity C1
Even, 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 connects
Ground, the GND feet ground connection of microprocessor U1;
Signal decoding conversion output circuit contain 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 and inserts
On the OUT1 contact pins of pin, 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, electricity
The other end of resistance R4 is connected with one end of resistance R5, and the other end of resistance R5 is connected with the VCC contact pins of input contact pin, voltage stabilizing core
The terminal 1 and terminal 3 of piece D1 is connected between resistance R4 and resistance R5, terminal 2 is grounded, and decodes the AGND terminations of modular converter U4
Ground;The vdd terminal of decoding modular converter U5 is connected on the VCC contact pins of input contact pin, OUT terminal is connected to input contact pin
On OUT2 contact pins, 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
The other end be connected with one end of resistance R7, the other end of resistance R7 is connected with the VCC contact pins of input contact pin, voltage stabilizing chip D2
Terminal 1 and terminal 3 is connected between resistance R6 and resistance R7, terminal 2 is grounded, decode modular converter U5 AGND ends ground connection;
The VCC feet 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 is connected with the P2.0 of the microprocessor U1 of central processing unit, latch U2
2Q be 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 with
The P2.3 connections of microprocessor U1, the 5Q of latch U2 are connected with the P2.4 of microprocessor U1, the 6Q of latch U2 and microprocessor
The P2.5 connections of device U1, the 7Q of latch U2 are connected with the P2.6 of microprocessor U1, the 8Q of latch U2 and microprocessor U1
P2.7 connects;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
The P0.6 connections of device U1, the 3Q of latch U3 are connected with the P0.5 of microprocessor U1, the 4Q of latch U3 and microprocessor U1
P0.4 connections, the 5Q of latch U3 are connected with the P0.3 of microprocessor U1, the P0.2 of the 6Q of latch U3 and microprocessor U1 connects
Connect, the 7Q of latch 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 feet of the microprocessor U1 of central processing unit and decoding modular converter U5 /CS ends are connected, central processing unit
Microprocessor U1 P1.1 feet and decoding modular converter U4 /CS ends are connected, the P1.2 of the microprocessor U1 of central processing unit
Foot is connected with the SCLK ends of decoding modular converter U4 and the SCLK ends of decoding modular converter U5, the microprocessor U1 of central processing unit
P1.3 feet with decoding modular converter U4 DEN ends and decode modular converter U5 DEN ends be connected;
Hand throttle switch K1 open when, when pushes pedals, the magnet steel on the rocking arm of position therewith with 16 position Hall modules
Relevant position sensitive surface is just right, and 16 position Hall modules export corresponding position signalling, in throttle control circuit latch U2 and
Latch 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
Hall module latched device U2 and latch U3 in position sends microprocessor U1 to, and microprocessor U1 is by latch U2 and latch
The data that U3 is transmitted, according to pedal position and main signal OUT1, carry out coding and form serial data from signal OUT2 corresponding relations
The synchronised clock produced with the P1.2 feet of microprocessor U1 coordinates, and Jing P1.3 send signal decoding conversion output circuit to, when micro-
When the P1.1 feet of processor U1 are low level, effectively, serial data is solved by modular converter U4 is decoded for decoding modular converter U4 chip selects
Code is converted into main signal OUT1;When the P1.0 feet of microprocessor U1 are low level, decoding modular converter U5 chip selects are effective, serial
Data are 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 U3 is latched in throttle control circuit allows end G for low level, the data of 16 Hall module output
It is latched and does not change with input data, now microprocessor U1 is constant from the data that latch U2 and latch U3 is input into, and enters
Row coding forms that serial data is also constant, decoding modular converter U4 decoding conversion main signal OUT1 is constant, decoding modular converter
It is also constant from signal OUT2 that U5 decodings are 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 handss, foot 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 working environment.
Description of the drawings
Fig. 1 is a kind of structural representation of non-contact seals waterproof E-Gas of utility model;
Fig. 2 is a kind of structural representation of the non-contact seals waterproof E-Gas of utility model after potted circuit box is removed
Figure;
Fig. 3 is a kind of contactless handss of this utility model, the electrical schematic diagram of foot 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 handss, foot 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
Foot is connected with the VCC contact pins of input contact pin 11 and one end of resistance R1, and the GND feet of latch U2 and/OE feet 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 feet of latch U3 and input contact pin
VCC contact pins be connected, GND feet and/OE feet 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 feet 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 feet 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 feet 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 feet 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 feet 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 feet of the microprocessor U1 of central processing unit with decode modular converter U4 /CS ends are connected, in
The P1.2 feet 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 feet 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 feet of microprocessor U1 coordinates, and Jing P1.3 send signal decoding conversion output electricity to
Road, when the P1.1 feet 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 feet 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 handss, foot 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 working 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.