CN117365607A - Electric energy self-supply method and system for hydraulic support control system - Google Patents

Electric energy self-supply method and system for hydraulic support control system Download PDF

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Publication number
CN117365607A
CN117365607A CN202311338940.7A CN202311338940A CN117365607A CN 117365607 A CN117365607 A CN 117365607A CN 202311338940 A CN202311338940 A CN 202311338940A CN 117365607 A CN117365607 A CN 117365607A
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CN
China
Prior art keywords
module
power
valve
power generation
unit
Prior art date
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Pending
Application number
CN202311338940.7A
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Chinese (zh)
Inventor
韦文术
李向波
王伟
卢德来
姚卓
黄园月
任伟
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Beijing Meike Tianma Automation Technology Co Ltd
Beijing Tianma Intelligent Control Technology Co Ltd
Original Assignee
Beijing Meike Tianma Automation Technology Co Ltd
Beijing Tianma Intelligent Control Technology Co Ltd
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Application filed by Beijing Meike Tianma Automation Technology Co Ltd, Beijing Tianma Intelligent Control Technology Co Ltd filed Critical Beijing Meike Tianma Automation Technology Co Ltd
Priority to CN202311338940.7A priority Critical patent/CN117365607A/en
Publication of CN117365607A publication Critical patent/CN117365607A/en
Pending legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH 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
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
    • E21F17/04—Distributing means for power supply in mines
    • E21F17/06—Distributing electric power; Cable networks; Conduits for cables
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F5/00—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
    • E21F5/02—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires by wetting or spraying
    • E21F5/04—Spraying barriers

Abstract

The invention provides an electric energy self-supply method and system of a hydraulic support control system, wherein the system comprises a support control module, a driving module, a liquid supply valve group module, a support oil cylinder module, a power generation energy storage module, a power generation control module, an emulsion pump station module and a spray pump station module; the power generation and energy storage module comprises a power generation unit and an energy storage unit, the power generation control module comprises a hydraulic control spray valve, the spray pump station module is connected with the hydraulic control spray valve through the power generation unit, the emulsion pump station module is connected with the driving module and the liquid supply valve group module, the driving module comprises an electromagnetic driver and an electromagnetic valve group, the electromagnetic valve group comprises a first electromagnetic valve unit and a second electromagnetic valve unit, the liquid supply valve group module comprises a first liquid supply unit and a second liquid supply unit, the first electromagnetic valve unit is connected with the hydraulic control spray valve through the first liquid supply unit, and the second electromagnetic valve unit is connected with the bracket oil cylinder module through the second liquid supply unit. The system can timely and effectively perform electric energy self-supply for each bracket control system.

Description

Electric energy self-supply method and system for hydraulic support control system
Technical Field
The disclosure belongs to the technical field of power supply of hydraulic systems, and particularly relates to a method and a system for self-supplying electric energy to a hydraulic support control system.
Background
The hydraulic support control system is one of important components of the fully-mechanized mining equipment, and can reliably and effectively support and control the top plate of the working face, isolate the goaf and prevent gangue from entering the stope face and the propelling conveyor.
The operation of hydraulic support control system is not separated from the electric energy, and the power supply scheme of present hydraulic support control system mainly is by 127V to 12V's power supply box all the way to four hydraulic support series connection power supply, 127V's input cable length is longer, there is the condition such as drag when installation and support action, and 12V cable belongs to and strides the frame and connect, so also can have the condition of dragging when the support action, the cable is pulled the breaking easily and is caused the hydraulic support to move the frame normally in dragging the in-process to influence normal production, even arouse the incident when serious.
Disclosure of Invention
The present disclosure aims to solve, at least to some extent, one of the technical problems in the related art.
Therefore, the disclosure provides a method and a system for self-supplying electric energy for hydraulic support control systems, which mainly aims to timely and effectively perform self-supplying of electric energy for each support control system.
The first aspect of the disclosure provides an electric energy self-supply system of a hydraulic support control system, which comprises a support control module, a driving module, a liquid supply valve group module, a support oil cylinder module, a power generation and energy storage module, a power generation control module, an emulsion pump station module and a spray pump station module; the power generation and energy storage module comprises a power generation unit and an energy storage unit, the power generation control module comprises a hydraulic control water spray valve, the spray pump station module is connected with the hydraulic control water spray valve through the power generation unit, the driving module comprises an electromagnetic driver and an electromagnetic valve group, the electromagnetic valve group comprises a first electromagnetic valve unit and a second electromagnetic valve unit, and the liquid supply valve group module comprises a first liquid supply unit and a second liquid supply unit;
the bracket control module controls the on-off of the electromagnetic valve group by controlling the electromagnetic driver; when the electromagnetic valve group is conducted, emulsion is sent to a control port of a corresponding liquid supply unit in the liquid supply valve group module, so that the corresponding liquid supply unit is conducted; the first liquid supply unit sends emulsion to a control port of the hydraulic control water spraying valve to conduct the hydraulic control water spraying valve when being conducted, and the second liquid supply unit sends emulsion to the bracket oil cylinder module to realize bracket action when being conducted; the power generation and energy storage module is used for supplying power to the bracket control module, when the hydraulic control water spraying valve is conducted, the power generation unit is used for generating power by using flowing clean water, the generated electric energy is stored in the energy storage unit, and when the power generation unit does not generate power, the energy storage unit is used for supplying power to the bracket control module; the emulsion pump station module is used for providing emulsion; the spray pump station module is used for providing clear water.
In the hydraulic support control system electric energy self-supply system provided in the first aspect of the disclosure, the power generation unit directly sends the generated electric energy to the support control module for power supply; the energy storage unit comprises a battery module and a power management module, the power management module automatically selects a power supply mode of the support control module according to load energy consumption requirements and energy storage conditions of the battery module, the power supply modes comprise two modes, one mode is that the energy storage unit supplies power for the support control module, and the other mode is that electric energy generated by the power generation unit supplies power for the support control module.
In the hydraulic support control system power self-supply system provided in the first aspect of the present disclosure, the power generation control module is further configured to enable the power generation unit to rapidly stop the power generation state when the hydraulic control water spray valve is not conductive.
In the hydraulic mount control system power self-supply system provided in the first aspect of the present disclosure, each solenoid valve unit is composed of a solenoid valve.
In the hydraulic support control system power self-supply system provided in the first aspect of the disclosure, the electromagnetic valve adopts an electromagnetic pilot valve.
In the electric energy self-supply system of the hydraulic support control system provided in the first aspect of the disclosure, each liquid supply unit is composed of a liquid supply valve, and the liquid supply valve adopts a two-position three-way valve or a reversing valve.
In the electric energy self-supply system of the hydraulic support control system provided in the first aspect of the present disclosure, the electric energy self-supply system further includes a liquid tank for recovering the emulsion discharged from the electromagnetic valve set, the liquid supply valve set module and the support cylinder module.
In the hydraulic support control system electric energy self-supply system provided in the first aspect of the disclosure, the support control module is a support controller, the electric energy self-supply system further comprises a sensor module, and the power generation and energy storage module sends a part of electric energy to the support controller and the electromagnetic driver and sends another part of electric energy to the sensor module.
A second aspect of the present disclosure provides a hydraulic mount control system power self-supply method employing the hydraulic mount control system power self-supply system of the first aspect, comprising:
the power generation and energy storage module is used for supplying power to the bracket control module, and the electromagnetic driver is controlled by the bracket control module, so that the on-off of the electromagnetic valve group is controlled;
when the electromagnetic valve group is conducted, the electromagnetic valve group is utilized to convey emulsion from the emulsion pump station module to a control port of a corresponding liquid supply unit in the liquid supply valve group module so as to conduct the corresponding liquid supply unit;
when the first liquid supply unit is conducted, the emulsion from the emulsion pump station module is sent to a control port of the hydraulic control water spraying valve to conduct the hydraulic control water spraying valve, and when the second liquid supply unit is conducted, the emulsion from the emulsion pump station module is sent to the bracket oil cylinder module to realize bracket action;
when the hydraulic control water spraying valve is turned on, clean water provided by the spray pump station module flows to the spray head to spray and dust fall, the power generation unit generates power by using the flowing clean water and stores the generated electric energy in the energy storage unit, and the energy storage unit supplies power for the bracket control module when the power generation unit does not generate power;
when the hydraulic control water spraying valve is not conducted, the energy storage unit is used for supplying power to the bracket control module, and the power generation unit can rapidly stop in a power generation state.
In the method for automatically supplying electric energy to the hydraulic support control system provided in the second aspect of the present disclosure, the method further includes: when the generated energy of the power generation unit is larger than the electric energy required by the bracket control module, the power management module automatically selects a first power supply mode and stores redundant electric energy in the battery module, and the first power supply mode supplies power for the power generation unit to the bracket control module; when the generating capacity of the generating unit is smaller than the electric quantity required by the bracket control module, the power management module automatically selects a second power supply mode, and the second power supply mode supplies power for the energy storage unit to the bracket control module.
In one or more aspects of the disclosure, the electric energy self-supply system comprises a bracket control module, a driving module, a liquid supply valve group module, a bracket oil cylinder module, a power generation and energy storage module, a power generation control module, an emulsion pump station module and a spray pump station module; the power generation and energy storage module comprises a power generation unit and an energy storage unit, the power generation control module comprises a hydraulic control water spray valve, the spray pump station module is connected with the hydraulic control water spray valve through the power generation unit, the driving module comprises an electromagnetic driver and an electromagnetic valve group, the electromagnetic valve group comprises a first electromagnetic valve unit and a second electromagnetic valve unit, and the liquid supply valve group module comprises a first liquid supply unit and a second liquid supply unit; the bracket control module controls the on-off of the electromagnetic valve group by controlling the electromagnetic driver; when the electromagnetic valve group is conducted, the emulsion is sent to a control port of a corresponding liquid supply unit in the liquid supply valve group module so as to conduct the corresponding liquid supply unit; the first liquid supply unit sends the emulsion to a control port of the hydraulic control water spraying valve to conduct the hydraulic control water spraying valve when being conducted, and the second liquid supply unit sends the emulsion to the bracket oil cylinder module to realize bracket action when being conducted; the power generation and energy storage module supplies power to the bracket control module, when the hydraulic control water spray valve is conducted, the power generation unit generates power by using flowing clean water, the generated electric energy is stored in the energy storage unit, and when the power generation unit does not generate power, the energy storage unit supplies power to the bracket control module; the emulsion pump station module is used for providing emulsion; the spray pump station module is used for providing clear water. Under the condition, when the hydraulic control water spray valve is conducted, redundant energy from a spray pump station module to a spray head is sprayed by utilizing the spray head of the single support where the hydraulic control water spray valve is positioned in the spraying action process, the redundant energy is converted into electric energy through the power generation unit, the electric energy is recovered into the energy storage unit of the single support, and the electric energy is supplied to the support control module of the single support, so that the purpose of self-supply of electric energy of the single support control system is realized. The system does not need to directly share one power supply with other stations, avoids the dragging condition and improves the timeliness of power supply, so that the system can timely and effectively perform electric energy self-supply for each support control system.
Additional aspects and advantages of the disclosure will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the disclosure.
Drawings
The foregoing and/or additional aspects and advantages of the present disclosure will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:
FIG. 1 illustrates a block diagram of a hydraulic mount control system power self-supply system provided in an embodiment of the present disclosure;
FIG. 2 illustrates a schematic diagram of a partial connection of a hydraulic mount control system power self-supply system provided by an embodiment of the present disclosure;
FIG. 3 is a schematic diagram of a connection of a hydraulic mount control system power self-supply system according to an embodiment of the present disclosure;
fig. 4 shows a flowchart of a method for self-supplying electric energy to a hydraulic support control system according to an embodiment of the present disclosure.
Detailed Description
Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary embodiments do not represent all implementations consistent with the embodiments of the present disclosure. Rather, they are merely examples of apparatus and methods consistent with aspects of embodiments of the present disclosure as detailed in the accompanying claims.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," 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 present disclosure. In this specification, schematic representations of the above terms are not necessarily directed 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, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present disclosure, the meaning of "a plurality" is at least two, such as two, three, etc., unless explicitly specified otherwise. It should also be understood that the term "and/or" as used in this disclosure refers to and encompasses any or all possible combinations of one or more of the associated listed items.
Embodiments of the present disclosure are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and intended for the purpose of explaining the present disclosure and are not to be construed as limiting the present disclosure.
The disclosure provides a method and a system for automatically supplying electric energy to a hydraulic support control system, which mainly aims at effectively automatically supplying electric energy to each support control system.
In a first embodiment, fig. 1 shows a block diagram of a hydraulic mount control system power self-supply system provided by an embodiment of the present disclosure. Fig. 2 is a schematic diagram illustrating a partial connection of an electric power self-supply system of a hydraulic support control system according to an embodiment of the present disclosure. Fig. 3 is a schematic connection diagram of an electric energy self-supply system of a hydraulic support control system according to an embodiment of the disclosure. The hydraulic support control system power self-supply system in the present disclosure may be simply referred to as a power self-supply system.
As shown in fig. 1, the electric energy self-supply system of the hydraulic support control system comprises a support control module, a driving module, a liquid supply valve group module, a support oil cylinder module, a power generation and energy storage module, a power generation control module, an emulsion pump station module and a spray pump station module. The support control module is connected with the support control module and the power generation and energy storage module, the driving module is connected with the support oil cylinder module through the liquid supply valve group module, the driving module and the liquid supply valve group module are also respectively connected with the emulsion pump station module, the liquid supply valve group module is also connected with the power generation and control module, and the spray pump station module is connected with the power generation and control module through the power generation and energy storage module.
Specifically, in this embodiment, as shown in fig. 2, the driving module includes an electromagnetic driver and an electromagnetic valve group, and the bracket control module is connected to the electromagnetic valve group via the electromagnetic driver.
In this embodiment, the bracket control module controls the electromagnetic valve group to be turned on or off by controlling the electromagnetic driver, and in particular, the bracket control module is used for controlling the electromagnetic driver to control the electromagnetic valve in the electromagnetic valve group to be turned on or off. The power required by the operation of the bracket control module is provided by the power generation and energy storage module. The support control module is connected with the electromagnetic driver, receives the electric energy from the power generation and energy storage module and sends part of the electric energy to the electromagnetic driver so as to control the electromagnetic driver.
In this embodiment, the stent control module is, for example, a stent controller as shown in fig. 3. The stand controller controls the electromagnetic driver.
In this embodiment, the electromagnetic driver is connected to the electromagnetic valve group, and the electromagnetic driver controls on-off of each electromagnetic valve in the electromagnetic valve group under the control of the bracket control module.
In the present embodiment, the solenoid valve group includes a plurality of solenoid valve units. Each solenoid valve unit is composed of solenoid valves. When the electromagnetic valve group is conducted, the emulsion is sent to a control port of a corresponding liquid supply unit in the liquid supply valve group module, so that the corresponding liquid supply unit is conducted.
In the present embodiment, the plurality of solenoid valve units includes a first solenoid valve unit and a second solenoid valve unit. The first solenoid valve unit is connected to a first liquid supply unit of the liquid supply valve group module (see fig. 2). The second solenoid valve unit is connected to a second liquid supply unit of the liquid supply valve group module (see fig. 2). Specifically, the liquid inlet of each solenoid valve in each solenoid valve unit is connected with the emulsion pump station module through the liquid inlet of the solenoid valve group, the first liquid outlet of each solenoid valve in each solenoid valve unit is connected with the control port of the liquid supply valve of the corresponding liquid supply unit, and the second liquid outlet of each solenoid valve in each solenoid valve unit is summarized to the liquid outlet of the solenoid valve group. When the electromagnetic valve group is conducted, emulsion from the emulsion pump station module is sent to a control port of a liquid supply valve corresponding to the liquid supply unit in the liquid supply valve group module, so that the corresponding liquid supply valve is conducted.
In this embodiment, the solenoid valve employs an electromagnetic pilot valve. The solenoid valve block is the solenoid pilot valve block shown in fig. 3.
In this embodiment, the liquid supply valve group module includes a plurality of liquid supply units. Each liquid supply unit consists of a liquid supply valve.
In this embodiment, the plurality of liquid supply units includes a first liquid supply unit and a second liquid supply unit. The first liquid supply unit sends emulsion to a control port of the hydraulic control water spraying valve to conduct the hydraulic control water spraying valve when being conducted, and the second liquid supply unit sends emulsion to the bracket oil cylinder module to realize bracket action when being conducted.
Specifically, as shown in fig. 2, the first liquid supply unit is used to connect the first solenoid valve unit and the pilot-operated water spray valve. The second liquid supply unit is used for connecting the second electromagnetic valve unit and the bracket oil cylinder module. The liquid inlet of each liquid supply valve in each liquid supply unit is connected with the emulsion pump station module through the liquid inlet of the liquid supply valve group module, the first liquid outlet of each liquid supply valve in each liquid supply unit is connected with the corresponding support cylinder in the support cylinder module, and the second liquid outlet of each liquid supply valve in each liquid supply unit is summarized to the liquid outlet of the liquid supply valve group module. The control port of each liquid supply valve in each liquid supply unit is connected with the first liquid outlet of the corresponding electromagnetic valve in the electromagnetic valve unit.
In this embodiment, the liquid supply valve group module is configured to send the emulsion from the emulsion pump station module to the control port of the liquid control water spraying valve to conduct the liquid control water spraying valve when the liquid supply valve of the first liquid supply unit is conducted, and to send the emulsion from the emulsion pump station module to the bracket cylinder module to implement the bracket action when the liquid supply valve of the second liquid supply unit is conducted.
In this embodiment, the valve block module is the main valve core set shown in fig. 3.
In this embodiment, the liquid supply valve is a two-position three-way valve or a reversing valve.
In this embodiment, the bracket cylinder module is used to control the bracket movement when receiving emulsion from the liquid valve block module.
In this embodiment, the rack cylinder module is a collection of rack cylinders in a single rack.
In this embodiment, the rack cylinder module includes at least one rack cylinder.
In this embodiment, the second solenoid valve unit includes a preset number of solenoid valves, and the second liquid supply unit includes a preset number of liquid supply valves, the preset number being 2 times the number of the bracket cylinders, and each 2 solenoid valves is connected with a single bracket cylinder through a single 2 liquid supply valves.
Taking 4 bracket cylinders as an example, as shown in fig. 3, the second electromagnetic valve unit comprises 8 electromagnetic pilot valves, the second liquid supply unit comprises a main valve core of 8, and each bracket cylinder is connected with the separate 2 electromagnetic pilot valves through the separate 2 main valve cores. Taking a bracket oil cylinder C1 as an example, a liquid inlet of the electromagnetic pilot valve A1 is connected with an emulsion pump station module through a liquid inlet of the electromagnetic pilot valve bank, a first liquid outlet of the electromagnetic pilot valve A1 is connected with a control port of the main valve core B1, and a second liquid outlet of the electromagnetic pilot valve A1 is summarized to a liquid outlet of the electromagnetic pilot valve bank. The liquid inlet of the main valve core B1 is connected with the emulsion pump station module through the liquid inlet of the main valve core group, the first liquid outlet of the main valve core B1 is connected with the oil port m of the bracket oil cylinder C1, and the second liquid outlet of the main valve core B1 is summarized to the liquid outlet of the main valve core group. The liquid inlet of the electromagnetic pilot valve A2 is connected with the emulsion pump station module through the liquid inlet of the electromagnetic pilot valve bank, the first liquid outlet of the electromagnetic pilot valve A2 is connected with the control port of the main valve core B2, and the second liquid outlet of the electromagnetic pilot valve A2 is summarized to the liquid outlet of the electromagnetic pilot valve bank. The liquid inlet of the main valve core B2 is connected with the emulsion pump station module through the liquid inlet of the main valve core group, the first liquid outlet of the main valve core B2 is connected with the oil port n of the bracket oil cylinder C1, and the second liquid outlet of the main valve core B2 is summarized to the liquid outlet of the main valve core group. The pipeline between the first liquid outlet of the main valve core B1 and the oil port m of the bracket oil cylinder C1 is communicated with the liquid outlet pipeline of the main valve core group, and the pipeline between the first liquid outlet of the main valve core B2 and the oil port n of the bracket oil cylinder C1 is communicated with the liquid outlet pipeline of the main valve core group.
When the electromagnetic pilot valve A1 is conducted and the electromagnetic pilot valve A2 is not conducted, the emulsion entering the electromagnetic pilot valve A1 is sent to the main valve core B1, the main valve core B1 is conducted, the main valve core B2 is not conducted due to the fact that the emulsion does not exist at a control port of the main valve core B2, and after the main valve core B1 is conducted, the emulsion entering the main valve core B1 is sent to an oil port m of the support oil cylinder C1 so as to control the support to move according to a first direction.
When the electromagnetic pilot valve A1 is not conducted and the electromagnetic pilot valve A2 is conducted, the main valve core B1 is not conducted, the main valve core B2 is conducted, and the emulsion entering the main valve core B2 is sent to the oil port n of the bracket oil cylinder C1 so as to control the bracket to move in the opposite direction of the first direction.
In the present embodiment, the first solenoid valve unit includes 1 solenoid pilot valve, and the first liquid supply unit includes a main spool of 1.
As shown in fig. 3, the first electromagnetic valve unit includes an electromagnetic pilot valve A0, the first liquid supply unit includes a main valve core B0, a liquid inlet of the electromagnetic pilot valve A0 is connected with the emulsion pump station module through a liquid inlet of the electromagnetic pilot valve group, a first liquid outlet of the electromagnetic pilot valve A0 is connected with a control port of the main valve core B0, and a second liquid outlet of the electromagnetic pilot valve A0 is summarized to a liquid outlet of the electromagnetic pilot valve group. The liquid inlet of the main valve core B0 is connected with the emulsion pump station module through the liquid inlet of the main valve core group, the first liquid outlet of the main valve core B0 is connected with the control port of the hydraulic control water spraying valve, and the second liquid outlet of the main valve core B0 is summarized to the liquid outlet of the main valve core group.
When the electromagnetic pilot valve A0 is conducted, the emulsion entering the electromagnetic pilot valve A0 is sent to the main valve core B0, after the main valve core B0 is conducted, the emulsion entering the main valve core B0 is sent to a control port of the hydraulic control water spraying valve, and the hydraulic control water spraying valve is conducted.
In this embodiment, the emulsion pump station module is used to provide an emulsion. As shown in fig. 3, the emulsion pump station module is connected with the electromagnetic pilot valve group through the total liquid inlet P, and the emulsion pump station module is also connected with the main valve core group. The emulsion pump station module provides emulsion for the electromagnetic pilot valve group and the main valve core group.
In this embodiment, the spray pump station module is used to provide fresh water.
In this embodiment, the spray pump station is connected to the hydraulic control spray valve of the power generation control module via the power generation unit of the power generation and energy storage module.
In this embodiment, the power generation control module includes a hydraulically controlled water spray valve and a spray head.
In this embodiment, the power generation control module is configured to enable the power generation unit to generate power when the hydraulic control water spray valve is turned on, and spray dust fall through the spray head, and is further configured to enable the power generation unit to quickly stop in a power generation state when the hydraulic control water spray valve is turned off.
In this embodiment, the power generation and energy storage module includes a power generation unit and an energy storage unit. The power generation unit is, for example, a generator. The power generation unit mainly generates power by collecting redundant energy in the process from the output of the spray pump station module to the spraying of the spray head by using clear water.
Specifically, the power generation energy storage module supplies power to the support control module, when the hydraulic control water spray valve is conducted, clean water output by the spray pump is sent to the hydraulic control water spray valve through the power generation unit, pressure difference exists on two sides of inlet and outlet of the power generation unit, the power generation unit generates power by utilizing flowing clean water, generated electric energy is stored in the energy storage unit, and when the power generation unit does not generate power, the energy storage unit supplies power to the support control module. The power generation unit can also directly send the generated electric energy to the bracket control module for power supply; the energy storage unit comprises a battery module and a power management module, the power management module automatically selects a power supply mode of the support control module according to load energy consumption requirements and the energy storage condition of the battery module, the power supply mode comprises two modes, one mode is that the energy storage unit supplies power to the support control module, and the other mode is that electric energy generated by the power generation unit supplies power to the support control module. Therefore, when the hydraulic control water spray valve is conducted, the spray head of the support is used for spraying and dust settling, and redundant energy in the spraying action process of the support is recovered into the energy storage device through the generator, so that the purpose of self-supply of electric energy of a single support control system is achieved.
In this embodiment, the electric energy self-supply system further includes a liquid tank for recovering the emulsion discharged from the electromagnetic valve group, the liquid supply valve group module and the bracket cylinder module. As shown in fig. 3, the liquid tank is connected with the electromagnetic pilot valve group, the main valve core group and the bracket oil cylinder module, and emulsion discharged by the electromagnetic pilot valve group, the main valve core group and the bracket oil cylinder module enters the liquid tank through the total liquid outlet R. A liquid outlet one-way valve is arranged between the total liquid outlet R and the liquid outlet of the electromagnetic pilot valve group.
In this embodiment, the electric energy self-supply system further includes a plurality of filters, and the liquid outlets of the emulsion pump station module and the spray pump station module are respectively provided with a filter.
In this embodiment, the electric energy self-supply system further includes a plurality of stop valves, and the liquid outlets of the emulsion pump station module and the spray pump station module are connected with the corresponding stop valves through the corresponding filters.
In this embodiment, the electric energy self-supply system further includes a plurality of check valves, and the check valves are arranged between the emulsion pump station module and the steam inlet of the electromagnetic valve bank, and the check valves are arranged between the liquid outlet of the electromagnetic valve bank and the liquid tank.
As shown in fig. 3, the emulsion pump station module is connected with a total liquid inlet P through a first filter and a first stop valve, and a third filter and a liquid inlet one-way valve are arranged between the total liquid inlet P and a liquid inlet of the electromagnetic pilot valve group. The spray pump station module is connected with the power generation unit through a second filter and a second stop valve.
In this embodiment, the hydraulic stand control system power self-supply system further includes a sensor module, and the power generation and storage module sends a portion of the power to the stand controller and the electromagnetic driver, and sends another portion of the power to the sensor module.
Referring to fig. 3, the specific process of supplying electric energy to the hydraulic support control system is as follows:
the bracket controller controls the electromagnetic pilot valve group through the electromagnetic driver so as to control the opening and closing of the main valve core group, and if the main valve core B0 in the main valve core group is conducted (namely in an opening state), part of high-pressure liquid from an emulsion pump in the emulsion pump station module enters a control port of the hydraulic control water spraying valve so as to open the hydraulic control water spraying valve; if the main valve core in the second liquid supply unit in the main valve core group is conducted, part of high-pressure liquid from an emulsion pump in the emulsion pump station module enters the bracket oil cylinder to realize bracket action; the clean water from the spray pump in the spray pump station module directly flows through the power generation unit to enter the liquid inlet of the hydraulic control spray valve, the hydraulic control spray valve is closed in a natural state, and when the hydraulic control spray valve is in a closed state, no pressure difference exists at two sides of the liquid inlet and outlet of the power generation unit, and meanwhile, no liquid flows, so that the power generation unit does not work, and only when the hydraulic control spray valve is in an open state, the liquid in the power generation unit flows, and the power generation unit only works to generate power. When the power generation unit does not generate power, the bracket controller controls the bracket to act through the electromagnetic driver to consume the electric energy of the energy storage unit, the power generation unit generates power when a spray head of the bracket sprays, and if the generated energy of the power generation unit is larger than the electric quantity required by the bracket control module, the power management module automatically selects a first power supply mode and stores redundant electric energy in the battery module, and the first power supply mode supplies power for the power generation unit to the bracket control module; when the generating capacity of the generating unit is smaller than the electric quantity required by the support control module, the power management module automatically selects a second power supply mode, the second power supply mode supplies power to the support control module for the energy storage unit, and under the second power supply mode, the electric energy generated by the generating unit is directly stored in the energy storage unit, so that the purpose of self-supply of the electric energy of the hydraulic support control system is achieved.
The electric energy self-supply system of the hydraulic support control system comprises a support control module, a driving module, a liquid supply valve group module, a support oil cylinder module, a power generation and energy storage module, a power generation control module, an emulsion pump station module and a spray pump station module; the power generation and energy storage module comprises a power generation unit and an energy storage unit, the power generation control module comprises a hydraulic control water spray valve, the spray pump station module is connected with the hydraulic control water spray valve through the power generation unit, the driving module comprises an electromagnetic driver and an electromagnetic valve group, the electromagnetic valve group comprises a first electromagnetic valve unit and a second electromagnetic valve unit, and the liquid supply valve group module comprises a first liquid supply unit and a second liquid supply unit; the bracket control module controls the on-off of the electromagnetic valve group by controlling the electromagnetic driver; when the electromagnetic valve group is conducted, the emulsion is sent to a control port of a corresponding liquid supply unit in the liquid supply valve group module so as to conduct the corresponding liquid supply unit; the first liquid supply unit sends the emulsion to a control port of the hydraulic control water spraying valve to conduct the hydraulic control water spraying valve when being conducted, and the second liquid supply unit sends the emulsion to the bracket oil cylinder module to realize bracket action when being conducted; the power generation and energy storage module supplies power to the bracket control module, when the hydraulic control water spray valve is conducted, the power generation unit generates power by using flowing clean water, the generated electric energy is stored in the energy storage unit, and when the power generation unit does not generate power, the energy storage unit supplies power to the bracket control module; the emulsion pump station module is used for providing emulsion; the spray pump station module is used for providing clear water. Under the condition, when the hydraulic control water spray valve is conducted, redundant energy from a spray pump station module to a spray head is sprayed by utilizing the spray head of the single support where the hydraulic control water spray valve is positioned in the spraying action process, the redundant energy is converted into electric energy through the power generation unit, the electric energy is recovered into the energy storage unit of the single support, and the electric energy is supplied to the support control module of the single support, so that the purpose of self-supply of electric energy of the single support control system is realized. The system does not need to directly share one power supply with other stations, avoids the dragging condition and improves the timeliness of power supply, so that the system can timely and effectively perform electric energy self-supply for each support control system.
In addition, the system disclosed by the invention can realize the long-term passive action of a single hydraulic support, and the cable of each support is arranged in the support, so that the conditions of dragging, smashing and the like of the span cable can be effectively avoided. Meanwhile, the power generation and energy storage module has small structure size, can be integrated on the main valve core group, and has small influence on the action of the bracket and small space occupation. The system disclosed by the invention is a scene innovation application of the intelligent supply system of the underground coal mine self-generated energy, has the advantages of compact structure, high integration degree and the like, has small structural influence on the existing hydraulic support when the main valve core group is replaced and upgraded, and can realize long-term passive action of the hydraulic support through self-generation and electric energy optimal configuration.
The following are method embodiments of the present disclosure, and for details not disclosed in the method embodiments of the present disclosure, reference is made to system embodiments of the present disclosure. The embodiment of the method provides an electric energy self-supply method of a hydraulic support control system. The electric energy self-supply method of the hydraulic support control system adopts the electric energy self-supply system of the hydraulic support control system of the system embodiment to carry out electric energy self-supply. The electric energy self-supply method of the hydraulic support control system can be simply called as an electric energy self-supply method.
Fig. 4 shows a flowchart of a method for self-supplying electric energy to a hydraulic support control system according to an embodiment of the present disclosure. As shown in fig. 4, the method for automatically supplying electric energy to the hydraulic support control system comprises the following steps:
step S11, a power generation and energy storage module is used for supplying power to a bracket control module, and an electromagnetic driver is controlled by the bracket control module, so that the on-off of an electromagnetic valve group is controlled;
step S12, when the electromagnetic valve group is conducted, the electromagnetic valve group is utilized to convey the emulsion from the emulsion pump station module to a control port of a corresponding liquid supply unit in the liquid supply valve group module so as to conduct the corresponding liquid supply unit;
step S13, when the first liquid supply unit is conducted, the emulsion from the emulsion pump station module is sent to a control port of the hydraulic control water spraying valve to conduct the hydraulic control water spraying valve, and when the second liquid supply unit is conducted, the emulsion from the emulsion pump station module is sent to the bracket oil cylinder module to realize the bracket action;
step S14, when the hydraulic control water spraying valve is turned on, clean water provided by the spray pump station module flows to the spray head to spray and dust, the power generation unit generates power by using the flowing clean water and stores the generated electric energy in the energy storage unit, and the energy storage unit supplies power for the bracket control module when the power generation unit does not generate power;
and S15, when the hydraulic control water spray valve is not conducted, the energy storage unit is used for supplying power to the bracket control module, and the power generation unit can rapidly stop the power generation state.
In step S11 to step S15, specific details may refer to the related descriptions in the above system embodiments, which are not described herein.
In this embodiment, the method for automatically supplying electric energy to the hydraulic support control system further includes: when the generated energy of the power generation unit is larger than the electric quantity required by the bracket control module, the power management module automatically selects a first power supply mode, and the redundant electric energy is stored in the battery module, wherein the first power supply mode supplies power for the power generation unit to the bracket control module; when the generating capacity of the generating unit is smaller than the electric quantity required by the bracket control module, the power management module automatically selects a second power supply mode, and the second power supply mode supplies power for the energy storage unit to the bracket control module.
It should be noted that the foregoing explanation of the embodiment of the power self-supply system of the hydraulic support control system is also applicable to the power self-supply method of the hydraulic support control system of this embodiment, and is not repeated herein.
The foregoing embodiment numbers of the present disclosure are merely for description and do not represent advantages or disadvantages of the embodiments.
In the electric energy self-supply method of the hydraulic support control system, a power generation and energy storage module is utilized to supply power to a support control module, and an electromagnetic driver is controlled by the support control module, so that the on-off of an electromagnetic valve group is controlled; when the electromagnetic valve group is conducted, the electromagnetic valve group is utilized to convey emulsion from the emulsion pump station module to a control port of a corresponding liquid supply unit in the liquid supply valve group module so as to conduct the corresponding liquid supply unit; when the first liquid supply unit is conducted, the emulsion from the emulsion pump station module is sent to a control port of the liquid control water spraying valve to conduct the liquid control water spraying valve, and when the second liquid supply unit is conducted, the emulsion from the emulsion pump station module is sent to the bracket oil cylinder module to realize bracket action; when the hydraulic control water spraying valve is turned on, clean water provided by the spray pump station module flows to the spray head to spray and dust fall, the power generation unit generates power by using the flowing clean water and stores the generated electric energy in the energy storage unit, and the energy storage unit supplies power for the bracket control module when the power generation unit does not generate power; when the hydraulic control water spray valve is not conducted, the energy storage unit is used for supplying power to the support control module, and the power generation unit can rapidly stop the power generation state. Under the condition, when the hydraulic control water spray valve is conducted, redundant energy from a spray pump station module to a spray head is sprayed by utilizing the spray head of the single support where the hydraulic control water spray valve is positioned in the spraying action process, the redundant energy is converted into electric energy through the power generation unit, the electric energy is recovered into the energy storage unit of the single support, and the electric energy is supplied to the support control module of the single support, so that the purpose of self-supply of electric energy of the single support control system is realized. The system does not need to directly share one power supply with other stations, avoids the dragging condition and improves the timeliness of power supply, so that the system can timely and effectively perform electric energy self-supply for each support control system.
In the accompanying drawings, there is shown a schematic structural diagram in accordance with a disclosed embodiment of the invention. The figures are not drawn to scale, wherein certain details are exaggerated for clarity of presentation and may have been omitted. The shapes of the various regions, layers and their relative sizes, positional relationships shown in the drawings are merely exemplary, may in practice deviate due to manufacturing tolerances or technical limitations, and one skilled in the art may additionally design regions/layers having different shapes, sizes, relative positions as actually required.
It should be appreciated that various forms of the flows shown above may be used to reorder, add, or delete steps. For example, the steps described in the present disclosure may be performed in parallel, sequentially, or in a different order, so long as the desired result of the technical solution of the present disclosure can be achieved, and the present disclosure is not limited herein.
The above detailed description should not be taken as limiting the scope of the present disclosure. It will be apparent to those skilled in the art that various modifications, combinations, sub-combinations and alternatives are possible, depending on design requirements and other factors. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present disclosure are intended to be included within the scope of the present disclosure.

Claims (10)

1. The electric energy self-supply system of the hydraulic support control system is characterized by comprising a support control module, a driving module, a liquid supply valve group module, a support oil cylinder module, a power generation and energy storage module, a power generation control module, an emulsion pump station module and a spray pump station module; the power generation and energy storage module comprises a power generation unit and an energy storage unit, the power generation control module comprises a hydraulic control water spray valve, the spray pump station module is connected with the hydraulic control water spray valve through the power generation unit, the driving module comprises an electromagnetic driver and an electromagnetic valve group, the electromagnetic valve group comprises a first electromagnetic valve unit and a second electromagnetic valve unit, and the liquid supply valve group module comprises a first liquid supply unit and a second liquid supply unit;
the bracket control module controls the on-off of the electromagnetic valve group by controlling the electromagnetic driver; when the electromagnetic valve group is conducted, emulsion is sent to a control port of a corresponding liquid supply unit in the liquid supply valve group module, so that the corresponding liquid supply unit is conducted; the first liquid supply unit sends emulsion to a control port of the hydraulic control water spraying valve to conduct the hydraulic control water spraying valve when being conducted, and the second liquid supply unit sends emulsion to the bracket oil cylinder module to realize bracket action when being conducted; the power generation and energy storage module is used for supplying power to the bracket control module, when the hydraulic control water spraying valve is conducted, the power generation unit is used for generating power by using flowing clean water, the generated electric energy is stored in the energy storage unit, and when the power generation unit does not generate power, the energy storage unit is used for supplying power to the bracket control module; the emulsion pump station module is used for providing emulsion; the spray pump station module is used for providing clear water.
2. The hydraulic mount control system power self-supply system according to claim 1, wherein the power generation unit further directly sends the generated power to the mount control module for power supply; the energy storage unit comprises a battery module and a power management module, the power management module automatically selects a power supply mode of the support control module according to load energy consumption requirements and energy storage conditions of the battery module, the power supply modes comprise two modes, one mode is that the energy storage unit supplies power for the support control module, and the other mode is that electric energy generated by the power generation unit supplies power for the support control module.
3. The hydraulic mount control system power self-supply system of claim 2, wherein the power generation control module is further configured to cause the power generation unit to quickly cease generating power when the pilot operated water spray valve is not conducting.
4. A hydraulic mount control system power self-supply system as in claim 3, wherein each solenoid valve unit is comprised of a solenoid valve.
5. The hydraulic mount control system power self-supply system as recited in claim 4, wherein said solenoid valve employs an electromagnetic pilot valve.
6. The hydraulic mount control system power self-supply system as in claim 5, wherein each of the fluid supply units is comprised of a fluid supply valve that employs a two-position three-way valve or a reversing valve.
7. The hydraulic mount control system power self-supply system of claim 1, further comprising a fluid tank for recovering emulsion discharged from the solenoid valve block, the fluid supply valve block module, and the mount cylinder module.
8. The hydraulic mount control system power self-supply system of claim 7, wherein the mount control module is a mount controller, the power self-supply system further comprising a sensor module, the power generation and storage module delivering a portion of the power to the mount controller and the electromagnetic drive and another portion of the power to the sensor module.
9. A hydraulic mount control system electric power self-supply method based on the hydraulic mount control system electric power self-supply system according to any one of claims 1 to 8, comprising:
the power generation and energy storage module is used for supplying power to the bracket control module, and the electromagnetic driver is controlled by the bracket control module, so that the on-off of the electromagnetic valve group is controlled;
when the electromagnetic valve group is conducted, the electromagnetic valve group is utilized to convey emulsion from the emulsion pump station module to a control port of a corresponding liquid supply unit in the liquid supply valve group module so as to conduct the corresponding liquid supply unit;
when the first liquid supply unit is conducted, the emulsion from the emulsion pump station module is sent to a control port of the hydraulic control water spraying valve to conduct the hydraulic control water spraying valve, and when the second liquid supply unit is conducted, the emulsion from the emulsion pump station module is sent to the bracket oil cylinder module to realize bracket action;
when the hydraulic control water spraying valve is turned on, clean water provided by the spray pump station module flows to the spray head to spray and dust fall, the power generation unit generates power by using the flowing clean water and stores the generated electric energy in the energy storage unit, and the energy storage unit supplies power for the bracket control module when the power generation unit does not generate power;
when the hydraulic control water spraying valve is not conducted, the energy storage unit is used for supplying power to the bracket control module, and the power generation unit can rapidly stop in a power generation state.
10. The hydraulic mount control system power self-supply method as recited in claim 9, further comprising:
when the generated energy of the power generation unit is larger than the electric energy required by the bracket control module, the power management module automatically selects a first power supply mode and stores redundant electric energy in the battery module, and the first power supply mode supplies power for the power generation unit to the bracket control module; when the generating capacity of the generating unit is smaller than the electric quantity required by the bracket control module, the power management module automatically selects a second power supply mode, and the second power supply mode supplies power for the energy storage unit to the bracket control module.
CN202311338940.7A 2023-10-16 2023-10-16 Electric energy self-supply method and system for hydraulic support control system Pending CN117365607A (en)

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Application Number Priority Date Filing Date Title
CN202311338940.7A CN117365607A (en) 2023-10-16 2023-10-16 Electric energy self-supply method and system for hydraulic support control system

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Application Number Priority Date Filing Date Title
CN202311338940.7A CN117365607A (en) 2023-10-16 2023-10-16 Electric energy self-supply method and system for hydraulic support control system

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