CN211059344U - Shale atmospheric pressure splits automobile-used transmission case shift control system - Google Patents
Shale atmospheric pressure splits automobile-used transmission case shift control system Download PDFInfo
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- CN211059344U CN211059344U CN201921884360.7U CN201921884360U CN211059344U CN 211059344 U CN211059344 U CN 211059344U CN 201921884360 U CN201921884360 U CN 201921884360U CN 211059344 U CN211059344 U CN 211059344U
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Abstract
The utility model provides a pair of shale air fracturing vehicle-used transmission case shift control system, including mutual module, button selector, transmission case controller, data exchange between transmission case controller and mutual module, the button selector carries out two-way digital communication based on SAE1939 CAN2.B agreement, replaced the mode that traditional every signal was walked alone with the CAN bus, the pencil on the car has been reduced, make entire system look succinct more, the use of a large amount of analog quantity collection module has been avoided to this kind of mode simultaneously, when the data bulk of control is big, module quantity is many, the probability of breaking down is great, selectively shift with P L C controller and human-computer interaction interface or shift with button selector, the former mainly used fracturing operation close range control, the latter mainly used remote control, close range control and maintenance detect hydraulic transmission case.
Description
Technical Field
The utility model relates to an automobile-used transmission case shift control system of shale atmospheric pressure fracture.
Background
The fracturing is an important technical measure for increasing the yield of an oil and gas well and increasing the injection of a water injection well, the construction is not repeatable, whether the fracturing construction meets the design requirement of the fracturing construction or not in the construction operation can directly influence the fracturing effect, the fracturing construction needs to achieve high quality and high precision, a fracturing truck mainly comprises an automobile chassis, a truck platform engine, a transmission case, a plunger pump, a high-low pressure manifold and a liquid-gas circuit operation control system, the most important part in an electronic control system of the fracturing truck controls and monitors a hydraulic transmission case, the transmission case is directly controlled by a rotary switch in the prior art, a relay switch is controlled by the fracturing truck P L C to control the transmission case to shift gears, and the gear shifting modes lead to more wire harnesses of vehicles, are not beneficial to maintenance and repair of the fracturing truck, and are not convenient for realizing technical networked data sharing of the fracturing truck.
For example, the "an electronic control system for a continuously variable transmission" disclosed in publication No. CN105889491A includes a core microprocessor, a solenoid valve driving circuit, a CAN bus interface, a K-L ine interface, a pulse signal processing circuit, an analog signal processing circuit, a switching signal processing circuit, an engine speed sensor, a driving wheel speed sensor, a driven wheel speed sensor, a throttle sensor, a cylinder pressure sensor, an oil temperature sensor, a brake pedal sensor, a shift mode switch, a system pressure control valve, a speed ratio control valve, a torque converter control valve, a clutch control valve, a clamping force control valve, and a display instrument.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a shale gas fracturing is transmission case shift control system for car.
The utility model discloses a following technical scheme can realize.
The utility model provides a pair of shale air fracturing is transmission case shift control system for car, including mutual module, button selector, transmission case controller, data exchange between transmission case controller and mutual module, the button selector carries out two-way digital communication based on SAE1939 CAN2.B agreement.
The interaction module comprises a P L C and a human-computer interface, wherein the output port of the P L C is connected with the input end of the human-computer interface, and the output port of the P L C is connected with the transmission case controller.
The button type gear shifter comprises an expected gear display module and an actual gear display module, and display contents of the expected gear display module and the actual gear display module are obtained by analyzing a transmission case controller through a CAN bus.
And a node address change-over switch is arranged outside the key-type gear shifter, and two ends of the node address change-over switch are respectively connected with the ground wire and the key-type gear shifter.
The transmission case controller comprises a single chip microcomputer U1, a single chip microcomputer U2 and an electromagnetic valve driving chip U3, the single chip microcomputer U1 is connected with the interaction module, the single chip microcomputer U1 is connected with the single chip microcomputer U2 through a CAN bus, and the single chip microcomputer U2 is connected with the electromagnetic valve driving chip U3.
The transmission case controller is provided with a first gear to a second gear, a neutral gear, a heating gear and a braking gear, and the logical relations of the gears of the transmission case controller are as follows:
driving the first-gear F electromagnetic valve and the H electromagnetic valve to be electrified;
driving a second-gear H electromagnetic valve to be electrified;
driving the three-gear F electromagnetic valve and the C electromagnetic valve to be electrified;
driving a four-gear F electromagnetic valve and a four-gear D electromagnetic valve to be electrified;
driving a five-gear C electromagnetic valve to be electrified;
driving a six-gear D solenoid valve to be electrified;
driving the seven-gear F electromagnetic valve and the E electromagnetic valve to be electrified;
driving an eight-gear E electromagnetic valve to be electrified;
the neutral gear F electromagnetic valve is electrified;
the braking gear F electromagnetic valve, the C electromagnetic valve, the D electromagnetic valve, the stop electromagnetic valve and the braking electromagnetic valve are electrified;
the heating gear F electromagnetic valve, the C electromagnetic valve, the D electromagnetic valve and the stop electromagnetic valve are electrified.
The transmission case controller is provided with a gear shifter change-over switch, and two ends of the gear shifter change-over switch are respectively connected with the ground wire and the transmission case controller.
The model of the single chip microcomputer U1 and the model of the single chip microcomputer U2 are MC9S12XET256, and the model of the electromagnetic valve driving chip U3 is T L E82453.
The beneficial effects of the utility model reside in that replaced the mode that traditional every signal was walked the line alone with the CAN bus, reduced the pencil on the car, make entire system look succinct more, this kind of mode has avoided the use of a large amount of analog quantity collection modules simultaneously, when the data bulk of control is big, module is in large quantity, the probability of breaking down is great, selectively shift with P L C controller and human-computer interaction interface or shift by key type selector, the former mainly used fracturing operation closely controls, the latter mainly used remote control, closely control and maintenance detect hydraulic transmission case.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
in the figure: 1-interaction module, 2-button type gear shifter, 3-transmission case controller, 4-node address selector switch, 5-gear shifter selector switch, 6-expected gear display module and 7-actual gear shifting module.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
The shale gas fracturing vehicle transmission case gear-shifting control system shown in fig. 1 comprises an interaction module 1, a key-type gear shifter 2 and a transmission case controller 3, wherein data exchange among the transmission case controller 3, the interaction module 1 and the key-type gear shifter 2 is conducted two-way digital communication based on an SAE1939 CAN2.B protocol.
The interaction module 1 comprises a P L C and a human-computer interface, wherein an output port of the P L C is connected with an input end of the human-computer interface, and a P L C is connected with the transmission case controller 3.
The key-type gear shifter 2 comprises an expected gear display module 6 and an actual gear display module 7, the display contents of the expected gear display module 6 and the actual gear display module 7 are obtained by analyzing through a CAN bus by a transmission case controller 3, when the key-type gear shifter 2 is activated, the expected gear display module 6 and the actual gear display module 7 are both lightened, and when the key-type gear shifter 2 is not activated, the expected gear display module 6 is not lightened but the actual gear display module 7 is lightened;
and the key-press shifter 2 is activated by the closing of the shifter changeover switch 5, in order to reduce the communication load rate of the CAN bus, the data sending speed is slower when the key-press shifter 2 is not activated, and the data sending speed of the key-press shifter 2 when being activated is generally set to be three times as fast as the data sending speed of the key-press shifter 2 when not being activated.
The exterior of the key-type gear shifter 2 is provided with a node address switch 4, and two ends of the node address switch 4 are respectively connected with the ground wire and the key-type gear shifter 2.
The transmission case controller 3 comprises a single chip microcomputer U1, a single chip microcomputer U2 and an electromagnetic valve driving chip U3, the single chip microcomputer U1 is connected with a P L C in the interaction module 1, the single chip microcomputer U1 is connected with a single chip microcomputer U2, and the single chip microcomputer U2 is connected with the electromagnetic valve driving chip U3.
In order to improve the utility model discloses the processing speed of collection signal adopts two MC9S12XET256 singlechips simultaneous control in the transmission case controller 3, in order to improve system fault diagnosis ability, transmission case controller 3 adopts special solenoid valve driver chip to be T L E82453, and this chip can high limit drive or low limit drive of software configuration to extremely strong diagnostic ability on line has.
The transmission case controller 3 is provided with a shifter change-over switch, and two ends of the shifter change-over switch 5 are respectively connected with the ground wire and the transmission case controller 3.
The model of the single chip microcomputer U1 and the model of the single chip microcomputer U2 are MC9S12XET256, and the model of the electromagnetic valve driving chip U3 is T L E82453.
The shale gas fracturing truck transmission case controller 3 is equipped with eight drive grades, a heating fender, a braking fender, and transmission case controller 3 keeps off the logical relation as follows:
driving the first-gear F electromagnetic valve and the H electromagnetic valve to be electrified;
driving a second-gear H electromagnetic valve to be electrified;
driving the three-gear F electromagnetic valve and the C electromagnetic valve to be electrified;
driving a four-gear F electromagnetic valve and a four-gear D electromagnetic valve to be electrified;
driving a five-gear C electromagnetic valve to be electrified;
driving a six-gear D solenoid valve to be electrified;
driving the seven-gear F electromagnetic valve and the E electromagnetic valve to be electrified;
driving an eight-gear E electromagnetic valve to be electrified;
the neutral gear F electromagnetic valve is electrified;
the braking gear F electromagnetic valve, the C electromagnetic valve, the D electromagnetic valve, the stop electromagnetic valve and the braking electromagnetic valve are electrified;
the heating gear F electromagnetic valve, the C electromagnetic valve, the D electromagnetic valve and the stop electromagnetic valve are electrified.
When the selector switch 5 is closed, the key type selector 2 is activated, the definition of the desired gear is that the first gear is driven to be 0x7e, the second gear is driven to be 0x7f, the third gear is driven to be 0x80, the fourth gear is driven to be 0x81, the fifth gear is driven to be 0x82, the sixth gear is driven to be 0x83, the seventh gear is driven to be 0x84, the eighth gear is driven to be 0x85, the neutral gear is 0x7d, the braking gear is 0x7C, the heating gear is 0x7b, the speed of data transmission of the desired gear is 50 ms/frame, at this time, the speed of data transmission of the P L C controller and the human-computer interaction interface 1 is 150 ms/frame, and the transmission case controller 3 receives a desired gear signal transmitted by the key type selector 2 and shifts according to specific working conditions.
Claims (8)
1. The utility model provides an automobile-used transmission case shift control system of shale atmospheric pressure fracture which characterized in that: the system comprises an interaction module (1), a key-type gear shifter (2) and a transmission case controller (3), wherein data exchange between the transmission case controller (3) and the interaction module (1) and the key-type gear shifter (2) is based on SAE1939 CAN2.B protocol to carry out bidirectional digital communication.
2. The transmission case gear-shifting control system for the shale gas fracturing truck as claimed in claim 1, wherein the interaction module (1) comprises a P L C and a man-machine interface, the P L C output port is connected with a man-machine interface input end, and the P L C is connected with the transmission case controller (3).
3. The transmission case gear-shifting control system for the shale gas fracturing truck as claimed in claim 1, wherein: the key type gear shifter (2) comprises an expected gear display module (6) and an actual gear display module (7), and display contents of the expected gear display module (6) and the actual gear display module (7) are obtained by analyzing a transmission case controller (3) through a CAN bus.
4. The transmission case gear-shifting control system for the shale gas fracturing truck as claimed in claim 1, wherein: the node address switching device is characterized in that a node address switching switch (4) is arranged outside the key type gear shifter (2), and two ends of the node address switching switch (4) are respectively connected with the ground wire and the key type gear shifter (2).
5. The transmission case gear-shifting control system for the shale gas fracturing truck as claimed in claim 1, wherein: the transmission case controller (3) comprises a single chip microcomputer U1, a single chip microcomputer U2 and a solenoid valve driving chip U3, the single chip microcomputer U1 is connected with the interaction module (1), the single chip microcomputer U1 is connected with the single chip microcomputer U2 through a CAN bus, and the single chip microcomputer U2 is connected with the solenoid valve driving chip U3.
6. The transmission case gear-shifting control system for the shale gas fracturing truck as claimed in claim 1, wherein: the transmission case controller (3) is provided with a first gear-driving eight gear, a neutral gear, a heating gear and a braking gear, and the logical relations of the gears of the transmission case controller (3) are as follows:
driving the first-gear F electromagnetic valve and the H electromagnetic valve to be electrified;
driving a second-gear H electromagnetic valve to be electrified;
driving the three-gear F electromagnetic valve and the C electromagnetic valve to be electrified;
driving a four-gear F electromagnetic valve and a four-gear D electromagnetic valve to be electrified;
driving a five-gear C electromagnetic valve to be electrified;
driving a six-gear D solenoid valve to be electrified;
driving the seven-gear F electromagnetic valve and the E electromagnetic valve to be electrified;
driving an eight-gear E electromagnetic valve to be electrified;
the neutral gear F electromagnetic valve is electrified;
the braking gear F electromagnetic valve, the C electromagnetic valve, the D electromagnetic valve, the stop electromagnetic valve and the braking electromagnetic valve are electrified;
the heating gear F electromagnetic valve, the C electromagnetic valve, the D electromagnetic valve and the stop electromagnetic valve are electrified.
7. The transmission case gear-shifting control system for the shale gas fracturing truck as claimed in claim 1, wherein: the transmission case controller (3) is provided with a gear shifter change-over switch, and two ends of the gear shifter change-over switch (5) are respectively connected with the ground wire and the transmission case controller (3).
8. The transmission case gear shifting control system for the shale gas fracturing truck as claimed in claim 5, wherein the model of the single chip microcomputer U1 and the model of the single chip microcomputer U2 are MC9S12XET256, and the model of the electromagnetic valve driving chip U3 is T L E82453.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921884360.7U CN211059344U (en) | 2019-11-04 | 2019-11-04 | Shale atmospheric pressure splits automobile-used transmission case shift control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921884360.7U CN211059344U (en) | 2019-11-04 | 2019-11-04 | Shale atmospheric pressure splits automobile-used transmission case shift control system |
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| Publication Number | Publication Date |
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| CN211059344U true CN211059344U (en) | 2020-07-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921884360.7U Active CN211059344U (en) | 2019-11-04 | 2019-11-04 | Shale atmospheric pressure splits automobile-used transmission case shift control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110878831A (en) * | 2019-11-26 | 2020-03-13 | 贵州凯星液力传动机械有限公司 | Gear shifting control device for shale gas fracturing truck |
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2019
- 2019-11-04 CN CN201921884360.7U patent/CN211059344U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110878831A (en) * | 2019-11-26 | 2020-03-13 | 贵州凯星液力传动机械有限公司 | Gear shifting control device for shale gas fracturing truck |
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Address after: 563000 Gaoping Electromechanical Industrial Park, Huichuan District, Zunyi City, Guizhou Province Patentee after: Guizhou Aerospace Kaixing Intelligent Transmission Co.,Ltd. Country or region after: China Address before: 563003 Gaoping electromechanical Industrial Park, Huichuan District, Zunyi City, Guizhou Province Patentee before: GUIZHOU WINSTAR HYDRAULIC TRANSMISSION MACHINERY Co.,Ltd. Country or region before: China |