CN114607430A - Electro-hydraulic control system based on bus type electromagnetic valve - Google Patents
Electro-hydraulic control system based on bus type electromagnetic valve Download PDFInfo
- Publication number
- CN114607430A CN114607430A CN202210295664.XA CN202210295664A CN114607430A CN 114607430 A CN114607430 A CN 114607430A CN 202210295664 A CN202210295664 A CN 202210295664A CN 114607430 A CN114607430 A CN 114607430A
- Authority
- CN
- China
- Prior art keywords
- bus
- support
- hydraulic
- control
- controller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000009471 action Effects 0.000 claims abstract description 14
- 238000001514 detection method Methods 0.000 claims abstract description 13
- 238000012545 processing Methods 0.000 claims description 28
- 238000006073 displacement reaction Methods 0.000 claims description 17
- 230000003321 amplification Effects 0.000 claims description 6
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 6
- 230000005611 electricity Effects 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 abstract 1
- 239000003245 coal Substances 0.000 description 6
- 238000005065 mining Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000013024 troubleshooting Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/0004—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/12—Control, e.g. using remote control
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/16—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices
- E21D23/26—Hydraulic or pneumatic control
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Magnetically Actuated Valves (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The application provides an electricity liquid control system based on bus type solenoid valve, wherein, the system includes: the support control system comprises a main control computer, a plurality of support controllers and bus type electromagnetic valves, wherein the plurality of support controllers are connected through a CAN (controller area network) bus, and are all connected with the main control computer through the CAN bus; the bus type electromagnetic valve is used for receiving a control instruction of the support controller and controlling the corresponding main valve core to act so as to realize the action control of the support hydraulic cylinder. According to the scheme of the application, the multi-level distributed control system is realized, more accurate control and fault detection can be realized, and functions of simplifying wiring, elements, expanding functions and the like are realized.
Description
Technical Field
The application relates to the technical field of electro-hydraulic control systems, in particular to an electro-hydraulic control system based on a bus type electromagnetic valve.
Background
The hydraulic support electrohydraulic control system is used for controlling the action of the hydraulic support of the underground working face and is matched with a coal mining machine and a scraper conveyor to realize automatic comprehensive coal mining. In recent years, with the deep understanding of the coal mining process, the hydraulic support electrohydraulic control system is improved in terms of control procedures, electricity and added functions.
The existing hydraulic support is mainly applied to an electromagnetic switch valve, and an electromagnetic valve driver is required to be configured. The electromagnetic valve driver outputs a plurality of cables which are respectively connected with the electromagnetic pilot valves to form a one-to-one corresponding relation, and the scheme brings the problems of more circuits and complex wiring. In addition, along with system improvement, the requirement that an electro-proportional valve and a sensing device are configured on a hydraulic support exists, and the expansion of a hydraulic element, a sensor and a complex function is difficult to realize in the conventional hydraulic support electro-hydraulic control system due to the limitation of the number of interfaces and the wiring mode.
Disclosure of Invention
The application provides an electro-hydraulic control system based on bus type solenoid valve.
An embodiment of a first aspect of the present application provides an electro-hydraulic control system based on a bus-type solenoid valve, including:
the system comprises a main control computer, a plurality of bracket controllers and a bus type electromagnetic valve;
the plurality of support controllers are connected through a Controller Area Network (CAN) bus, and are connected with the main control computer through the CAN bus;
the main control computer is used for receiving a control instruction of the ground computer and sending the control instruction to the support controller;
the support controller is used for receiving the control instruction, controlling the corresponding support according to the control instruction, and sending the state information of the corresponding support to the main control computer;
each bracket controller is connected with a plurality of bus type electromagnetic valves through a CAN bus, and the plurality of bus type electromagnetic valves are connected through the CAN bus;
the support controller is specifically used for receiving the control instruction and controlling the bus type electromagnetic valve according to the control instruction so as to realize support action control;
the bus type electromagnetic valve is used for receiving a control instruction of the support controller and controlling the corresponding main valve core to act so as to realize the action control of the support hydraulic cylinder.
Optionally, the support controller is further configured to, when the corresponding support fails, send failure information to the master controller, and perform emergency control on the corresponding support;
the main control computer is further used for generating a corresponding processing instruction according to the fault information, sending the processing instruction to the support controller, and sending the fault information to the ground computer, so that the ground computer can give out a fault alarm according to the fault information.
Optionally, the bus-type electromagnetic valve is further configured to determine whether the corresponding bracket has a fault, and send fault information to the bracket controller when the corresponding bracket has a fault.
Alternatively, the bus type solenoid valve includes:
the system comprises a bus signal transceiver, a microprocessor, a control circuit, an electromechanical converter, a hydraulic pilot stage and a hydraulic power stage;
the bus signal transceiver is connected with the microprocessor and the control circuit, the microprocessor and the control circuit are connected with the electromechanical converter, the electromechanical converter is connected with the hydraulic pilot stage, and the hydraulic pilot stage is connected with the hydraulic power stage;
the bus signal transceiver is used for receiving a control instruction sent by the bracket controller through a CAN bus and sending the control instruction to the microprocessor and the control circuit;
the microprocessor and the control circuit are used for generating an electric signal according to the control instruction and sending the electric signal to the electromechanical converter so as to drive the electromechanical converter;
the electromechanical converter is used for converting the electric signal into a mechanical signal and sending the mechanical signal to the hydraulic pilot stage;
the hydraulic pilot stage is used for converting the mechanical signal into a hydraulic signal and sending the hydraulic signal to the hydraulic power stage;
and the hydraulic power stage is used for carrying out power amplification processing on the hydraulic signal so as to output a medium to the hydraulic cylinder according to the hydraulic signal after the power amplification processing.
Optionally, the microprocessor and the control circuit are further configured to receive detection information sent by a sensing device, where the sensing device is configured to detect a displacement signal of the electromechanical converter, a displacement signal and an output signal of the hydraulic pilot stage, and a displacement signal and an output signal of the hydraulic power stage;
the microprocessor and the control circuit are also used for judging the state of the bracket according to the detection information and sending the state of the bracket to the bracket controller through the bus signal transceiver and the CAN bus;
the microprocessor and the control circuit are also used for judging whether a fault occurs according to the detection information, determining fault information under the condition of the fault, and sending the fault information to the bracket controller through the bus signal transceiver and the CAN bus.
Optionally, the bus signal transceiver is further configured to receive a fault processing instruction sent by the bracket controller through a CAN bus, and send the fault processing instruction to the microprocessor and the control circuit;
the microprocessor and the control circuit are also used for receiving the fault processing instruction and starting an alarm device according to the fault processing instruction.
Optionally, the system further comprises: a bracket sensor and a camera;
each support controller is connected with one support sensor through a CAN bus, and each support controller is connected with one camera through the CAN bus;
and the bracket controller is also used for controlling the action of the bus type electromagnetic valve according to the bracket sensor.
Optionally, the CAN buses among the plurality of stent controllers are first-level system buses, the CAN buses among the plurality of bus-type electromagnetic valves are second-level system buses, and the first-level system buses are not communicated with the second-level system buses.
According to the electro-hydraulic control system based on the bus type electromagnetic valves, the system comprises a main control computer, a plurality of support controllers and bus type electromagnetic valves, wherein the support controllers are connected through a CAN (controller area network) bus, the support controllers are connected with the main control computer through the CAN bus, each support controller is connected with the bus type electromagnetic valves through the CAN bus, and the bus type electromagnetic valves are connected through the CAN bus, namely a first-stage system consists of the main control computer and each support controller and is connected through a bus; the second-stage system consists of a support controller, bus type electromagnetic valves on the control valve group and a support sensor, and is connected through a bus, so that a multi-stage distributed control system is realized, more accurate control and fault detection can be realized, and functions such as simplified wiring, elements and function expansion are realized based on the bus type electromagnetic valves.
It should be understood that the statements in this section are not intended to identify key or critical features of the embodiments of the present application, nor are they intended to limit the scope of the present application. Other features of the present application will become apparent from the following description.
Drawings
FIG. 1 is a schematic structural diagram of an electro-hydraulic control system based on a bus type solenoid valve according to an embodiment of the present disclosure;
FIG. 2 is a schematic diagram of a second-stage system in an electro-hydraulic control system based on a bus type solenoid valve according to an embodiment of the present disclosure.
Detailed Description
Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present application and should not be construed as limiting the present application.
An electro-hydraulic control system based on a bus type solenoid valve according to an embodiment of the present application will be described with reference to the accompanying drawings. The electro-hydraulic control system based on the bus type electromagnetic valve can be applied to control the action of the underground working face hydraulic support, and is matched with a coal mining machine and a scraper conveyor to achieve automatic comprehensive coal mining.
Fig. 1 is a schematic flow chart of an electro-hydraulic control system based on a bus-type solenoid valve according to an embodiment of the present application, and as shown in fig. 1, the system includes: the main control machine, a plurality of support controllers and a bus type electromagnetic valve.
The plurality of support controllers are connected with each other through a Controller Area Network (CAN) bus, and are connected with the main control computer through the CAN bus. Each support controller is connected with a plurality of bus type electromagnetic valves through a CAN bus, and the plurality of bus type electromagnetic valves are connected through the CAN bus.
And the main control computer is used for receiving the control instruction of the ground computer and sending the control instruction to the support controller. For example, the control instruction may carry identification information, and the main control computer sends the control instruction to the support controller corresponding to the identification information according to the identification information.
And the support controller is used for receiving the control instruction, controlling the corresponding support according to the control instruction and sending the state information of the support corresponding to the support controller to the main control computer. Wherein each rack controller may correspond to a rack.
In this embodiment, the rack controller is specifically configured to receive the control instruction and control the bus-type electromagnetic valve according to the control instruction, so as to implement rack motion control.
And the bus type electromagnetic valve is used for receiving a control instruction of the support controller and controlling the corresponding main valve core to act so as to realize the action control of the support hydraulic cylinder.
The electro-hydraulic control system based on the bus type electromagnetic valve in the embodiment is divided into a first-stage system and a second-stage system. The first-stage system is composed of a main control computer and support controllers, all components are connected through a bus, the second-stage system is a support-stage control system and is composed of the support controllers, bus-type electromagnetic valves, support sensors and a camera, and all the components are connected through the bus.
The first-level system is used for controlling the actions of all the supports on the working face, and the coordination work and the fault alarm processing function among the supports are realized. And the second-stage system is used for controlling the action, monitoring the state and controlling the fault of the hydraulic support.
According to the electro-hydraulic control system based on the bus type electromagnetic valve, fault control can be achieved.
In an embodiment of the present application, the rack controller is further configured to, in a case where a corresponding rack fails, send failure information to the main control computer, and perform emergency control on the corresponding rack. The emergency control includes, for example, stopping work, waiting for trouble shooting, and continuing work.
The main control computer is further used for generating a corresponding processing instruction according to the fault information, sending the processing instruction to the support controller and sending the fault information to the ground computer, so that the ground computer can give a fault alarm according to the fault information, and maintenance is facilitated. The implementation manner of the ground computer performing the fault alarm according to the fault information includes, but is not limited to, audible and visual alarm, sending a short message/mail to a preset device or a mailbox, and the like.
In one embodiment of the present application, the bus-type solenoid valve-based electro-hydraulic control system further comprises: support sensor and appearance of making a video recording. Each support controller is connected with one support sensor through a CAN bus, and each support controller is connected with one camera through the CAN bus. The bracket controller is also used for controlling the action of the bus type electromagnetic valve according to the bracket sensor.
In this embodiment, the CAN bus among the plurality of stent controllers is a first-level system bus, the CAN bus among the plurality of bus-type electromagnetic valves is a second-level system bus, and the first-level system bus is not communicated with the second-level system bus.
Further, fig. 2 is a schematic diagram of a second-stage system according to an embodiment of the present disclosure.
Referring to fig. 2, the bus type solenoid valve includes: the system comprises a bus signal transceiver, a microprocessor, a control circuit, an electromechanical converter, a hydraulic pilot stage and a hydraulic power stage.
The bus signal transceiver is connected with the microprocessor and the control circuit, the microprocessor and the control circuit are connected with the electromechanical converter, the electromechanical converter is connected with the hydraulic pilot stage, and the hydraulic pilot stage is connected with the hydraulic power stage.
And the bus signal transceiver is used for receiving a control instruction sent by the bracket controller through the CAN bus and sending the control instruction to the microprocessor and the control circuit. In this embodiment, the support controller is connected with the bus-type electromagnetic valve through the CAN bus, and the support controller sends a control instruction to the bus-type electromagnetic valve through the CAN bus to control the bus-type electromagnetic valve.
And the microprocessor and the control circuit are used for generating an electric signal according to the control instruction and sending the electric signal to the electromechanical converter so as to drive the electromechanical converter.
In this embodiment, the microprocessor and the control circuit are configured to parse and send data, execute receiving information, receive a signal from the sensing element, drive the electromechanical converter, and implement fault detection and fault location. The microprocessor and control circuit 20 is composed of a single chip microcomputer, a driving circuit and a signal input circuit.
The output signal of the driving circuit may be a dc signal, an ac signal, or a PWM (Pulse width modulation) signal. The input signal can be divided into a voltage type and a current type according to the form of the sensor, and can also be divided into a direct current type and an alternating current type, so that power supply and input detection of various sensing elements can be realized.
And the electromechanical converter is used for converting the electric signal into a mechanical signal and sending the mechanical signal to the hydraulic pilot stage.
In this embodiment, the electromechanical converter is used to convert an electrical signal into a mechanical signal, wherein the mechanical signal includes a force or displacement signal or the like. According to the output mode of the mechanical signal, the electromechanical converter comprises: for example, the types of the electromechanical converter may be classified into an electromechanical converter that converts an electrical signal into a linear displacement signal, an electromechanical converter that converts an electrical signal into an angular displacement signal, such as a switching electromagnet, a proportional electromagnet, and the like, and an electromechanical converter that converts an electrical signal into an angular displacement signal, such as a torque motor, a stepping motor, a servo motor, and the like. Through the combination of the electromechanical converter and the sensing device, a closed-loop control subsystem can be formed, and the control precision and the response characteristic are further improved.
And the hydraulic pilot stage is used for converting the mechanical signal into a hydraulic signal and sending the hydraulic signal to the hydraulic power stage.
In the present embodiment, the hydraulic pilot stage is used to convert a mechanical signal into a hydraulic signal, and has two forms, that is, a switch-control type hydraulic pilot stage and a proportional-control type hydraulic pilot stage.
And the hydraulic power stage is used for carrying out power amplification processing on the hydraulic signal so as to output a medium to the hydraulic cylinder according to the hydraulic signal after the power amplification processing.
In this embodiment, the hydraulic power stage is used to amplify the hydraulic signal power of the hydraulic pilot stage, and output a high-pressure large-flow medium to the hydraulic cylinder. The hydraulic power stage has two forms of a switch control type hydraulic power stage and a proportional control type hydraulic power stage, wherein the switch control type hydraulic power stage corresponds to the switch control type hydraulic pilot stage, and the proportional control type hydraulic power stage corresponds to the proportional control type hydraulic pilot stage.
In this embodiment, the microprocessor and the control circuit are further configured to receive detection information sent by a sensing device, where the sensing device is configured to detect a displacement signal of the electromechanical converter, a displacement signal and an output signal of the hydraulic pilot stage, and a displacement signal and an output signal of the hydraulic power stage. The sensing device comprises a pressure sensor and a displacement sensor, and is used for detecting displacement signals of the electromechanical converter, displacement signals and output signals of the hydraulic pilot stage and displacement signals and output signals of the hydraulic power stage.
And the microprocessor and the control circuit are also used for judging the state of the bracket according to the detection information and sending the state of the bracket to the bracket controller through the bus signal transceiver and the CAN bus.
In one embodiment of the present application, the bus-type solenoid valve is further configured to determine whether the corresponding rack has a fault, and to send fault information to the rack controller in case of the fault of the corresponding rack.
Specifically, the microprocessor and the control circuit judge whether a fault occurs according to the detection information, determine fault information under the condition of the fault, and send the fault information to the bracket controller through the bus signal transceiver and the CAN bus. The fault information may include the location of the fault.
The support controller sends the fault information to the main control computer, the main control computer generates a fault processing instruction according to the fault information and sends the fault processing instruction to the support controller, and then the support controller sends the fault processing instruction to the bus type electromagnetic valve through the CAN bus.
In one embodiment of the present application, the bus signal transceiver is further configured to: receiving a fault processing instruction sent by a bracket controller through a CAN bus, and sending the fault processing instruction to the microprocessor and the control circuit;
and the microprocessor and the control circuit are also used for receiving the fault processing instruction and starting an alarm device according to the fault processing instruction.
In this embodiment, the support controller receives a control instruction from the main controller, controls the bus-type electromagnetic valve to implement support motion control, and controls the motion of the bus-type electromagnetic valve according to the state of the support sensor, for example, controls the on/off of the electromagnetic pilot valve. The bus type electromagnetic valve receives a control instruction of the support controller, controls the corresponding main valve core to act, and realizes the action of the support hydraulic cylinder. The microprocessor of the bus type electromagnetic valve receives sensor signals of a hydraulic pilot stage and a power stage, monitors the state of a hydraulic element in real time, can judge the fault position through logic processing of feedback information, transmits the fault information to the support controller and requests a fault processing instruction.
According to the electro-hydraulic control system based on the bus type electromagnetic valves, the system comprises a main control computer, a plurality of support controllers and bus type electromagnetic valves, wherein the support controllers are connected through a CAN (controller area network) bus, the support controllers are connected with the main control computer through the CAN bus, each support controller is connected with the bus type electromagnetic valves through the CAN bus, and the bus type electromagnetic valves are connected through the CAN bus, namely a first-stage system consists of the main control computer and each support controller and is connected through a bus; the second-level system consists of a support controller, bus-type electromagnetic valves on the control valve group and a support sensor, and is connected through a bus, so that a multi-level distributed control system is realized, and more accurate control and fault detection can be realized. In addition, an electromagnetic valve product capable of realizing bus control is provided, an element foundation is provided for a bus-based hydraulic support control system to meet the requirements of coal mining work, and meanwhile, the functions of simplifying wiring, elements, expanding functions and the like are realized. Moreover, the bus connection of the electromagnetic valve is realized, the wiring can be simplified, the function expansion is convenient, and an element foundation is provided for developing an intelligent control system.
In the description of the present application, it is to be understood that the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.
Claims (8)
1. An electro-hydraulic control system based on a bus type solenoid valve, comprising:
the system comprises a main control computer, a plurality of bracket controllers and a bus type electromagnetic valve;
the plurality of support controllers are connected through a Controller Area Network (CAN) bus, and are connected with the main control computer through the CAN bus;
the main control computer is used for receiving a control instruction of the ground computer and sending the control instruction to the support controller;
the support controller is used for receiving the control instruction, controlling the corresponding support according to the control instruction, and sending the state information of the corresponding support to the main control computer;
each bracket controller is connected with a plurality of bus type electromagnetic valves through a CAN bus, and the plurality of bus type electromagnetic valves are connected through the CAN bus;
the support controller is specifically used for receiving the control instruction and controlling the bus type electromagnetic valve according to the control instruction so as to realize support action control;
the bus type electromagnetic valve is used for receiving a control instruction of the support controller and controlling the corresponding main valve core to act so as to realize the action control of the support hydraulic cylinder.
2. The system of claim 1, wherein the rack controller is further configured to, in case of a failure of the corresponding rack, send failure information to the main control computer and perform emergency control on the corresponding rack;
the main control computer is further used for generating a corresponding processing instruction according to the fault information, sending the processing instruction to the support controller, and sending the fault information to the ground computer, so that the ground computer can give out a fault alarm according to the fault information.
3. The system of claim 2, wherein the bus-type solenoid valve is further configured to determine whether the corresponding rack has failed and to send a failure message to the rack controller in the event that the corresponding rack has failed.
4. The system of claim 1, wherein said bus-type solenoid valve comprises:
the system comprises a bus signal transceiver, a microprocessor, a control circuit, an electromechanical converter, a hydraulic pilot stage and a hydraulic power stage;
the bus signal transceiver is connected with the microprocessor and the control circuit, the microprocessor and the control circuit are connected with the electromechanical converter, the electromechanical converter is connected with the hydraulic pilot stage, and the hydraulic pilot stage is connected with the hydraulic power stage;
the bus signal transceiver is used for receiving a control instruction sent by the bracket controller through a CAN bus and sending the control instruction to the microprocessor and the control circuit;
the microprocessor and the control circuit are used for generating an electric signal according to the control instruction and sending the electric signal to the electromechanical converter so as to drive the electromechanical converter;
the electromechanical converter is used for converting the electric signal into a mechanical signal and sending the mechanical signal to the hydraulic pilot stage;
the hydraulic pilot stage is used for converting the mechanical signal into a hydraulic signal and sending the hydraulic signal to the hydraulic power stage;
and the hydraulic power stage is used for carrying out power amplification processing on the hydraulic signal so as to output a medium to the hydraulic cylinder according to the hydraulic signal after the power amplification processing.
5. The system of claim 4, wherein the microprocessor and control circuitry are further configured to receive sensing information from sensing devices, wherein the sensing devices are configured to sense the displacement signal of the electromechanical transducer, the displacement signal and output signal of the hydraulic pilot stage, and the displacement signal and output signal of the hydraulic power stage;
the microprocessor and the control circuit are also used for judging the state of the bracket according to the detection information and sending the state of the bracket to the bracket controller through the bus signal transceiver and the CAN bus;
the microprocessor and the control circuit are also used for judging whether a fault occurs according to the detection information, determining fault information under the condition of the fault, and sending the fault information to the bracket controller through the bus signal transceiver and the CAN bus.
6. The system of claim 5, wherein the bus signal transceiver is further configured to receive a fault handling instruction sent by a rack controller via a CAN bus and send the fault handling instruction to the microprocessor and control circuitry;
the microprocessor and the control circuit are also used for receiving the fault processing instruction and starting an alarm device according to the fault processing instruction.
7. The system of claim 1, further comprising:
a bracket sensor and a camera;
each support controller is connected with one support sensor through a CAN bus, and each support controller is connected with one camera through the CAN bus;
and the bracket controller is also used for controlling the action of the bus type electromagnetic valve according to the bracket sensor.
8. The system of claim 1, wherein the CAN bus between the plurality of rack controllers is a first level system bus, the CAN bus between the plurality of bus-type solenoid valves is a second level system bus, and the first level system bus is not in communication with the second level system bus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210295664.XA CN114607430A (en) | 2022-03-23 | 2022-03-23 | Electro-hydraulic control system based on bus type electromagnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210295664.XA CN114607430A (en) | 2022-03-23 | 2022-03-23 | Electro-hydraulic control system based on bus type electromagnetic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114607430A true CN114607430A (en) | 2022-06-10 |
Family
ID=81865097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210295664.XA Pending CN114607430A (en) | 2022-03-23 | 2022-03-23 | Electro-hydraulic control system based on bus type electromagnetic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114607430A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202832607U (en) * | 2012-09-29 | 2013-03-27 | 广州日滨科技发展有限公司 | Hydraulic support controller |
| CN204877521U (en) * | 2015-07-30 | 2015-12-16 | 四川航天电液控制有限公司 | Hydraulic support's electromagnetic valve drive ware |
| US20160265685A1 (en) * | 2015-03-13 | 2016-09-15 | Caterpillar Global Mining Europe Gmbh | Hydraulic assembly for a mining system |
| CN113931674A (en) * | 2021-10-11 | 2022-01-14 | 北京天玛智控科技股份有限公司 | Hydraulic support and electrohydraulic control system thereof |
| CN113982667A (en) * | 2021-10-25 | 2022-01-28 | 北京天玛智控科技股份有限公司 | Electromagnetic valve and hydraulic support control system |
| CN216950441U (en) * | 2022-03-23 | 2022-07-12 | 北京天玛智控科技股份有限公司 | Bus-based electro-hydraulic control system |
-
2022
- 2022-03-23 CN CN202210295664.XA patent/CN114607430A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202832607U (en) * | 2012-09-29 | 2013-03-27 | 广州日滨科技发展有限公司 | Hydraulic support controller |
| US20160265685A1 (en) * | 2015-03-13 | 2016-09-15 | Caterpillar Global Mining Europe Gmbh | Hydraulic assembly for a mining system |
| CN204877521U (en) * | 2015-07-30 | 2015-12-16 | 四川航天电液控制有限公司 | Hydraulic support's electromagnetic valve drive ware |
| CN113931674A (en) * | 2021-10-11 | 2022-01-14 | 北京天玛智控科技股份有限公司 | Hydraulic support and electrohydraulic control system thereof |
| CN113982667A (en) * | 2021-10-25 | 2022-01-28 | 北京天玛智控科技股份有限公司 | Electromagnetic valve and hydraulic support control system |
| CN216950441U (en) * | 2022-03-23 | 2022-07-12 | 北京天玛智控科技股份有限公司 | Bus-based electro-hydraulic control system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1705539B1 (en) | Emergency-stop device | |
| US4870364A (en) | Method of, and apparatus for, monitoring the operation of electromagnetic hydraulic valves | |
| CN113982667B (en) | Solenoid valve and hydraulic support control system | |
| CN101353125B (en) | Safety monitoring system of elevator | |
| JP2001032958A (en) | Method and device for controlling operation of solenoid valve | |
| CN1955382B (en) | Construction machine | |
| CN88102523A (en) | Adopt three controllers to handle the flight control system of a Shen Lieshi actuator | |
| CN101205052A (en) | Elevator equipment | |
| US5162623A (en) | Elevator monitor and control system with multiple power sources | |
| CN1537234A (en) | Circuit arrengement and method for monitoring circuit | |
| CN113650596B (en) | Service braking system, control method and electric loader | |
| CN100498733C (en) | Method for implementing control of computer fault alarm | |
| CN216950441U (en) | Bus-based electro-hydraulic control system | |
| CN114607430A (en) | Electro-hydraulic control system based on bus type electromagnetic valve | |
| CN102221101A (en) | Spool position detection feedback type bus-mastering electromagnetic container valve | |
| CN104485853A (en) | Servo driver with motor brake monitor and abnormal brake detection method thereof | |
| CN107368011B (en) | Multiple spot series connection tightly stops signal condition monitoring circuit | |
| EP1503261A2 (en) | Brake apparatus having braking condition monitoring section | |
| CN105443470A (en) | Hydraulic pressure control device | |
| CN114704681A (en) | Bus type electromagnetic valve | |
| CN109159779A (en) | A kind of rail vehicle and its braking method, system | |
| CN109296504B (en) | Wind turbine generator system control system and state monitoring device of bolt group thereof | |
| CN109213128B (en) | Closed-loop control failure detection method and system | |
| US4203471A (en) | Monitoring device for steam-turbine valves | |
| CN202358844U (en) | Liquid control handle of crane and crane |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |