CN108688739B - Electromechanical compound transmission device of tracked vehicle - Google Patents
Electromechanical compound transmission device of tracked vehicle Download PDFInfo
- Publication number
- CN108688739B CN108688739B CN201810503782.9A CN201810503782A CN108688739B CN 108688739 B CN108688739 B CN 108688739B CN 201810503782 A CN201810503782 A CN 201810503782A CN 108688739 B CN108688739 B CN 108688739B
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- operational amplifier
- resistor
- rotating speed
- diode
- inverting input
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 23
- 150000001875 compounds Chemical class 0.000 title claims abstract description 12
- 239000003990 capacitor Substances 0.000 claims description 17
- 238000005259 measurement Methods 0.000 description 5
- 230000003321 amplification Effects 0.000 description 4
- 238000003199 nucleic acid amplification method Methods 0.000 description 4
- 238000002955 isolation Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D55/00—Endless track vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Control Of Transmission Device (AREA)
Abstract
The invention discloses an electromechanical compound transmission device of a tracked vehicle, which comprises a generator, an engine, a central control unit, a rotating speed measuring unit, two traction motors and two side transmissions, wherein the central control unit is connected with the engine through the generator; the rotating speed measuring circuit can reliably amplify rotating speed signals acquired by the rotating speed sensor and can also reliably isolate the rotating speed signals, so that the reliability of the transmission device is improved.
Description
Technical Field
The invention relates to the field of vehicle transmission devices, in particular to an electromechanical compound transmission device of a tracked vehicle.
Background
In the existing electromechanical compound transmission device of the tracked vehicle, the rotating speed is monitored in real time through a rotating speed sensor, but the signal processing of the rotating speed sensor is general, so that the acquired signal is easily interfered when being received, and the reliability of the device is reduced.
Disclosure of Invention
Aiming at the technical defects in the prior art, the invention provides the electromechanical compound transmission device of the tracked vehicle to overcome the defects, and the device can effectively improve the reliability of the transmission device.
In order to achieve the technical purpose, the invention is specifically realized by the following technical scheme:
the utility model provides a tracked vehicle electromechanical compound transmission, includes generator, engine, well accuse unit, rotational speed measuring unit, two traction motors and two side drives, wherein well accuse unit is connected with the engine through the generator, well accuse unit pass through rotational speed measuring unit and be connected with two traction motors, two traction motors and two side drives one-to-one, traction motor and the side drive that corresponds be connected.
The traction motor is provided with a rotating speed sensor, the rotating speed sensor is electrically connected with a rotating speed measuring unit, the rotating speed measuring unit comprises a rotating speed measuring circuit, the rotating speed measuring circuit comprises a first operational amplifier, a second operational amplifier, a third operational amplifier, a first resistor, a second resistor, a third resistor, a fourth resistor, a fifth resistor, a sixth resistor, a seventh resistor, an eighth resistor, a first capacitor, a second capacitor, a first diode and a second diode, the inverting input end of the first operational amplifier is connected with the output end of the first operational amplifier, the power supply end of the first operational amplifier is externally connected with a +5V direct-current voltage power supply, the grounding end of the first operational amplifier is externally connected with a-5V direct-current voltage power supply and is grounded through the first capacitor, the output end of the first operational amplifier is connected with the inverting input end of the second operational amplifier through the first resistor, the non-inverting input end of the second operational amplifier is grounded through the second resistor, the inverting input end of the second operational amplifier is connected with the output end of the second operational amplifier through a third resistor, the output end of the second operational amplifier is connected with the inverting input end of the third operational amplifier through a fourth resistor, the inverting input end of the third operational amplifier is connected with the output end of the third operational amplifier through a seventh resistor, the non-inverting input end of the third operational amplifier is externally connected with a +5V direct-current voltage power supply through a fifth resistor and is grounded through a sixth resistor, the output end of the third operational amplifier is respectively connected with the anode of the first diode and the cathode of the second diode through an eighth resistor, one end of the second capacitor is grounded, the other end of the second capacitor is respectively connected with the anode of the first diode and the cathode of the second diode, the cathode of the first diode is externally connected with a +3.3V direct-current voltage power supply, and the anode of the second diode is grounded.
In the rotating speed measuring circuit, a measuring signal of the rotating speed sensor enters a non-inverting input end of a first operational amplifier, and then a following circuit which is mainly composed of the first operational amplifier is used for carrying out isolation amplification, so that an external interference source is prevented from entering a subsequent circuit, and the measuring reliability is improved; then, signal amplification is carried out through an amplifying circuit which mainly comprises a second operational amplifier, so that small signals can be reliably detected, and the reliability of measurement is further improved; finally, the bias circuit which is mainly composed of the third operational amplifier can reliably collect signals of the subsequent central control unit, and amplitude limiting processing is carried out through the first diode and the second diode, so that the amplitude of signal output is improved, and the accuracy of subsequent measurement is improved.
Preferably, the models of the first operational amplifier, the second operational amplifier and the third operational amplifier are all RC 4458.
Preferably, the central control unit comprises a single chip microcomputer, and the single chip microcomputer is AT89C 51.
Preferably, in order to prevent the signals in the rotation speed measuring unit from being interfered when being transmitted to the central control unit, the rotation speed measuring unit and the central control unit are connected through a shielded cable.
The invention has the beneficial effects that:
in the electromechanical composite transmission device of the tracked vehicle, the rotating speed signal acquired by the rotating speed sensor can be reliably amplified through the rotating speed measuring circuit, and meanwhile, the reliable isolation can be carried out, so that the reliability of the transmission device is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a circuit schematic of the speed measurement circuit of the present invention;
in the figure: 1. the system comprises a generator, 2, an engine, 3, a central control unit, 4, a rotating speed measuring unit, 5, a traction motor, 6, a side transmission, U1. a first operational amplifier, U2. a second operational amplifier, U3. a third operational amplifier, R1, a first resistor, R2, a second resistor, R3, a third resistor, R4, a fourth resistor, R5. a fifth resistor, R6. a sixth resistor, R7. a seventh resistor, R8. an eighth resistor, C1, a first capacitor, C2. a second capacitor, VD1, a first diode and VD2, a second diode.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1 and 2, an electromechanical compound transmission device of a tracked vehicle comprises a generator 1, an engine 2, a central control unit 3, a rotating speed measuring unit 4, two traction motors 5 and two side transmissions 6, wherein the central control unit 3 is connected with the engine 2 through the generator 1, the central control unit 3 is connected with the two traction motors 5 through the rotating speed measuring unit 4, the two traction motors 5 correspond to the two side transmissions 6 one by one, and the traction motors 5 are connected with the corresponding side transmissions 6;
here, the side transmission 6 is controlled by the traction motor 5, so that the movement is realized, and meanwhile, the braking energy of the crawler belt is collected, and the energy is recovered by the generator 1, so that the practicability of the device is improved.
The traction motor 5 is provided with a rotation speed sensor, the rotation speed sensor is electrically connected with the rotation speed measuring unit 4, the rotation speed measuring unit 4 comprises a rotation speed measuring circuit, the rotation speed measuring circuit comprises a first operational amplifier U1, a second operational amplifier U2, a third operational amplifier U3, a first resistor R1, a second resistor R2, a third resistor R3, a fourth resistor R4, a fifth resistor R5, a sixth resistor R6, a seventh resistor R7, an eighth resistor R8, a first capacitor C1, a second capacitor C2, a first diode VD1 and a second diode VD2, the inverting input end of the first operational amplifier U1 is connected with the output end of the first operational amplifier U1, the power supply end of the first operational amplifier U1 is externally connected with a +5V DC voltage power supply, the ground end of the first operational amplifier U1 is externally connected with a-5V DC power supply and is grounded through a first capacitor C1, the inverting input end of the first operational amplifier U6342 is connected with the second inverting input end of the first operational amplifier U599, the non-inverting input end of the second operational amplifier U2 is grounded through a second resistor R2, the inverting input end of the second operational amplifier U2 is connected with the output end of the second operational amplifier U2 through a third resistor R3, the output end of the second operational amplifier U2 is connected with the inverting input end of a third operational amplifier U3 through a fourth resistor R4, the inverting input end of the third operational amplifier U3 is connected with the output end of a third operational amplifier U3 through a seventh resistor R7, the non-inverting input end of the third operational amplifier U6342 is externally connected with a +5V DC voltage power supply through a fifth resistor R5 and is grounded through a sixth resistor R6, the output end of the third operational amplifier U3 is respectively connected with the anode of the first diode VD1 and the cathode of the second diode VD2 through an eighth resistor R3, one end of the second capacitor C2 is grounded, the other end of the second capacitor C2 is respectively connected with the anode of the first diode VD 5 and the cathode of the second diode 2, and the cathode of the first diode VD 24 is externally connected with the voltage power supply V5733, the anode of the second diode VD2 is grounded.
In the rotating speed measuring circuit, a measuring signal of the rotating speed sensor enters a non-inverting input end of a first operational amplifier U1, and then a following circuit which mainly comprises the first operational amplifier U1 is used for isolation and amplification, so that an external interference source is prevented from entering a subsequent circuit, and the measuring reliability is improved; then, signal amplification is carried out through an amplifying circuit which mainly comprises a second operational amplifier U2, so that small signals can be reliably detected, and the reliability of measurement is further improved; finally, the bias circuit formed by mainly using the third operational amplifier U3 can realize reliable signal acquisition of the subsequent central control unit 3, and simultaneously, amplitude limiting processing is carried out through the first diode VD1 and the second diode VD2, so that the amplitude of signal output is improved, and the accuracy of subsequent measurement is improved.
Preferably, the models of the first operational amplifier U1, the second operational amplifier U2 and the third operational amplifier U3 are RC 4458.
Preferably, the central control unit 3 comprises a single chip microcomputer, and the single chip microcomputer is AT89C 51.
Preferably, in order to prevent the signals in the rotation speed measuring unit 4 from being interfered when being transmitted to the central control unit 3, the rotation speed measuring unit 4 and the central control unit 3 are connected through a shielded cable.
In light of the foregoing, it is to be understood that various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (4)
1. An electromechanical compound transmission device of a tracked vehicle, characterized in that: the system comprises a generator (1), an engine (2), a central control unit (3), a rotating speed measuring unit (4), two traction motors (5) and two side drives (6), wherein the central control unit (3) is connected with the engine (2) through the generator (1), the central control unit (3) is connected with the two traction motors (5) through the rotating speed measuring unit (4), the two traction motors (5) correspond to the two side drives (6) one by one, and the traction motors (5) are connected with the corresponding side drives (6);
the traction motor (5) is provided with a rotating speed sensor, the rotating speed sensor is electrically connected with a rotating speed measuring unit (4), the rotating speed measuring unit (4) comprises a rotating speed measuring circuit, the rotating speed measuring circuit comprises a first operational amplifier (U1), a second operational amplifier (U2), a third operational amplifier (U3), a first resistor (R1), a second resistor (R2), a third resistor (R3), a fourth resistor (R4), a fifth resistor (R5), a sixth resistor (R6), a seventh resistor (R7), an eighth resistor (R8), a first capacitor (C1), a second capacitor (C2), a first diode (VD1) and a second diode (VD2), the inverting input end of the first operational amplifier (U1) is connected with the output end of the first operational amplifier (U1), the first operational amplifier (U1) is externally connected with a direct current +5V direct current power supply terminal, and the first operational amplifier (U1) is externally connected with a voltage power terminal of the voltage-5V power supply terminal, and is grounded through a first capacitor (C1), the output end of the first operational amplifier (U1) is connected with the inverting input end of a second operational amplifier (U2) through a first resistor (R1), the non-inverting input end of the second operational amplifier (U2) is grounded through a second resistor (R2), the inverting input end of the second operational amplifier (U2) is connected with the output end of the second operational amplifier (U2) through a third resistor (R3), the output end of the second operational amplifier (U2) is connected with the inverting input end of a third operational amplifier (U3) through a fourth resistor (R4), the inverting input end of the third operational amplifier (U3) is connected with the output end of the third operational amplifier (U3) through a seventh resistor (R7), the non-inverting input end of the third operational amplifier (U3) is externally connected with a direct current power supply of +5V through a fifth diode (R5), and is grounded through a sixth resistor (R6) and the first operational amplifier (U2) and the anode (VD 57324) and the second operational amplifier (U2) through a first resistor (VD 57323 and a first resistor (R4624) ) The cathode of the second capacitor (C2) is connected to ground, the other end of the second capacitor is respectively connected to the anode of the first diode (VD1) and the cathode of the second diode (VD2), the cathode of the first diode (VD1) is externally connected to a +3.3V dc voltage source, and the anode of the second diode (VD2) is connected to ground.
2. The tracked vehicle electromechanical compound transmission of claim 1, wherein: the models of the first operational amplifier (U1), the second operational amplifier (U2) and the third operational amplifier (U3) are RC 4458.
3. The tracked vehicle electromechanical compound transmission of claim 1, wherein: the central control unit (3) comprises a single chip microcomputer, and the single chip microcomputer is AT89C 51.
4. The tracked vehicle electromechanical compound transmission of claim 1, wherein: the rotating speed measuring unit (4) is connected with the central control unit (3) through a shielded cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810503782.9A CN108688739B (en) | 2018-05-23 | 2018-05-23 | Electromechanical compound transmission device of tracked vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810503782.9A CN108688739B (en) | 2018-05-23 | 2018-05-23 | Electromechanical compound transmission device of tracked vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN108688739A CN108688739A (en) | 2018-10-23 |
| CN108688739B true CN108688739B (en) | 2021-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810503782.9A Active CN108688739B (en) | 2018-05-23 | 2018-05-23 | Electromechanical compound transmission device of tracked vehicle |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013197837A (en) * | 2012-03-19 | 2013-09-30 | Seiko Epson Corp | Oscillator and electronic apparatus |
| CN203849325U (en) * | 2014-06-06 | 2014-09-24 | 厦门科华恒盛股份有限公司 | Alternating-current and direct-current voltage isolation differential sampling circuit |
| CN104179579A (en) * | 2014-07-07 | 2014-12-03 | 北京理工大学 | Motor-driven type throttle servo system |
| CN105717354A (en) * | 2016-01-28 | 2016-06-29 | 宜确半导体（苏州）有限公司 | Power detection circuit and method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10419057B2 (en) * | 2015-09-22 | 2019-09-17 | Skyworks Solutions, Inc. | Modified current mirror circuit for reduction of switching time |
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2018
- 2018-05-23 CN CN201810503782.9A patent/CN108688739B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013197837A (en) * | 2012-03-19 | 2013-09-30 | Seiko Epson Corp | Oscillator and electronic apparatus |
| CN203849325U (en) * | 2014-06-06 | 2014-09-24 | 厦门科华恒盛股份有限公司 | Alternating-current and direct-current voltage isolation differential sampling circuit |
| CN104179579A (en) * | 2014-07-07 | 2014-12-03 | 北京理工大学 | Motor-driven type throttle servo system |
| CN105717354A (en) * | 2016-01-28 | 2016-06-29 | 宜确半导体（苏州）有限公司 | Power detection circuit and method |
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| Publication number | Publication date |
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| CN108688739A (en) | 2018-10-23 |
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Effective date of registration: 20231017 Address after: 230000 b-1018, Woye Garden commercial office building, 81 Ganquan Road, Shushan District, Hefei City, Anhui Province Patentee after: HEFEI WISDOM DRAGON MACHINERY DESIGN Co.,Ltd. Address before: 230000 floor 1, building 2, phase I, e-commerce Park, Jinggang Road, Shushan Economic Development Zone, Hefei City, Anhui Province Patentee before: Dragon totem Technology (Hefei) Co.,Ltd. Effective date of registration: 20231017 Address after: 230000 floor 1, building 2, phase I, e-commerce Park, Jinggang Road, Shushan Economic Development Zone, Hefei City, Anhui Province Patentee after: Dragon totem Technology (Hefei) Co.,Ltd. Address before: No.1 Xijing Road, Chang'an District, Xi'an City, Shaanxi Province 710100 Patentee before: XIJING University |
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