CN109613881A - A kind of mining explosion-proof type emulsion system energy-saving protective controller - Google Patents

A kind of mining explosion-proof type emulsion system energy-saving protective controller Download PDF

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Publication number
CN109613881A
CN109613881A CN201811288391.6A CN201811288391A CN109613881A CN 109613881 A CN109613881 A CN 109613881A CN 201811288391 A CN201811288391 A CN 201811288391A CN 109613881 A CN109613881 A CN 109613881A
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CN
China
Prior art keywords
proof type
type emulsion
relay
flame
pressure
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
Application number
CN201811288391.6A
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Chinese (zh)
Inventor
王文胜
郜富平
范洪斌
白璐
彭东林
王璟耀
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Changcun Coal Mining of Shanxi Luan Environmental Energy Development Co Ltd
Original Assignee
Changcun Coal Mining of Shanxi Luan Environmental Energy Development Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Changcun Coal Mining of Shanxi Luan Environmental Energy Development Co Ltd filed Critical Changcun Coal Mining of Shanxi Luan Environmental Energy Development Co Ltd
Priority to CN201811288391.6A priority Critical patent/CN109613881A/en
Publication of CN109613881A publication Critical patent/CN109613881A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00Programme-control systems
    • G05B19/02Programme-control systems electric
    • G05B19/04Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/05Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
    • G05B19/054Input/output
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00Program-control systems
    • G05B2219/10Plc systems
    • G05B2219/11Plc I-O input output
    • G05B2219/1103Special, intelligent I-O processor, also plc can only access via processor

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Measuring Fluid Pressure (AREA)

Abstract

The present invention relates to a kind of mining explosion-proof type emulsion system energy-saving protective controllers, including cabinet, the box house is equipped with a main cavity and an intrinsic safety cavity, PLC and flame-proof type emulsion control system are equipped in main chamber body, the PLC is equipped with display screen and operation button, the flame-proof type emulsion control system is connect with PLC signal, the flame-proof type emulsion control system includes pressure sensor, input/output signal line is equipped in this case cavity, the side of the cabinet is equipped with probe tube, one end of the probe tube is equipped with quick connecting interface, the sampling pipe is connect with the pressure sensor of flame-proof type emulsion control system for detecting the Fluid pressure in sampling conduit.Controller of the present invention is automatically stopped liquid pump when can not only be when system idle running, damaging component more than rated pressure, and can autostop, valve of blinding off a line, reduction emulsion leakage when emulsion is revealed.

Description

A kind of mining explosion-proof type emulsion system energy-saving protective controller
Technical field
The present invention relates to mining instruments, and in particular to a kind of mining explosion-proof type emulsion system energy-saving protective controller.
Background technique
Coal mine fully-mechanized mining work face hydraulic pressure system of hydraulic support pipeline, element, interface are more, using coal mine hydraulic supporting concentrate (also referred to as oil emulsion) and water match solution --- the emulsion at 3-5%, the transfer medium as system pressure.Due to the system Operating pressure high (specified nominal pressure is 31.5 megapascal), flow are big (nominal flow rate reaches 400 liters/min), system pressure Pump --- emulsion pump manufacturer's design and it is mating when there was only mechanical relief and Mechanical security protector, without electic protection and Automatic shutdown protection function, stoppage protection when being revealed particular without transfer medium, in emulsion pump operational process often There are following problems: first is that due to unloading component --- system pressure, which cannot unload, after feather valve breaks down leads to system pressure It increases, more than the serious problems such as pipelines from bursting, component bad seals, system operation paralysis after system safety operation pressure;Second is that After leading to system pipeline rupture, sealing joint damage due to pipeline, seal aging etc., pressure is only seen by interruption by artificial Power table and pumping plant sound is listened to judge, cannot find simultaneously to stop emulsion pump in time following secondary problem occur and occur in time: first is that Emulsion largely leaks, and causes concentrate --- the serious waste of oil emulsion;Second is that emulsion box internal emulsification liquid causes after exhausting The operation of liquid pump long-time light condition, damages liquid pump component;Third is that needing certain time to liquid case fluid infusion again, influences equipment and open Probability;Fourth is that the delay processing time leads to secondary accident when encountering the special circumstances such as roof cracking urgent need operation hydraulic support Occur.
Summary of the invention
For above situation, the object of the present invention is to provide a kind of controls of mining explosion-proof type emulsion system energy-saving protective Device, when which can not only be when the initial no pressure of system, idle running, being more than rated pressure damage component certainly It is dynamic to stop liquid pump, and can autostop, valve of blinding off a line, reduction emulsion leakage when emulsion is revealed.
Technical scheme is as follows: a kind of mining explosion-proof type emulsion system energy-saving protective controller, including cabinet, The box house is equipped with a main cavity and an intrinsic safety cavity, and PLC is equipped in main chamber body and flame-proof type emulsifies hydraulic control System processed, the PLC are equipped with display screen and operation button, and the flame-proof type emulsion control system is connect with PLC signal, institute Stating flame-proof type emulsion control system includes pressure sensor, and input/output signal line, the master are equipped in this case cavity Connection of the threading hole for component between main chamber and intrinsic safety chamber is equipped between cavity and this case cavity, the side of the cabinet is equipped with One end of probe tube, the probe tube is equipped with quick connecting interface, the pressure of the sampling pipe and flame-proof type emulsion control system Force snesor is connected for detecting the Fluid pressure in sampling conduit.
Preferably, the flame-proof type emulsion control system includes pressure sensor J, relay group, indicator lamp groups and electricity Magnet valve DC;The relay group include control relay J1, intermediate relay J2, J3, the indicator lamp groups include indicator light X1, The normally-closed contact PL of X2, X3, the pressure sensor J are connect with intermediate relay J2, normally opened contact PH and intermediate relay J3 Connection, the normally opened contact J3-1 of the normally-closed contact J2-1 and intermediate relay J3 of intermediate relay J2 simultaneously connect rear and control relay J1 concatenation, control relay J1 normally opened contact J1-1 concatenated with indicator light X1, the normally-closed contact J2-2 of intermediate relay J2 and Indicator light X2 concatenation, the normally opened contact J3-2 of intermediate relay J3 are connect with indicator light X3, the control relay of the relay group Device J1, intermediate relay J2, J3 simultaneously connect, and indicator light X1, X2, X3 of indicator lamp groups simultaneously connect, solenoid valve DC and control relay J1 Normally opened contact J1-3 connection, the relay group, indicator lamp groups and solenoid valve simultaneously connect both ends and are respectively connected with power supply U, relay In the holding circuit of the power-supplying circuit of connecting terminal K1, K2 access control equipment operation of the normally opened contact J1-2 of J1.
Preferably, the sampling conduit is equipped with pressure gauge, the pressure for real time inspection emulsion pump high-pressure system pipeline Power.
Preferably, switching door is correspondingly arranged on the cabinet with main cavity and this case cavity, it is convenient that equipment is examined It repairs.
Preferably, the bottom of box is equipped with mounting bracket, convenient for the installation of controller.
Preferably, the pressure sensor is 0-70MPa flame-proof mine pressure sensor.
Mining explosion-proof type emulsion system energy-saving protective controller of the invention, in going out for emulsion pump high-pressure system pipeline The probe tube of mouth end high-voltage tube connecting mine explosion-proof type emulsion system energy-saving protective controller, can be according to the practical fortune of system Row situation sets the highest operating pressure of system and the minimum pressure of limitation emulsion leakage, and pressure sensor J is from system high pressure Pressure signal is obtained in pipeline, is converted to electric switch amount signal, controls the working condition of relay group, relay J1's is normally opened Contact J1-2 is accessed in the control loop of the power supply unit of emulsion pump, when system is because of pipe breakage, sealing element damage, greatly The leakage of amount emulsion and pumping plant failure lead to system, when pressure is more than that setting pressure, no pressure or pressure are lower than setting value, J1-2 is opened, stop emulsion pump power supply unit and by J2-2 or J3-2 connect warning device show respectively low-pressure failure or High pressure failure, by J1-3 disconnect solenoid valve DC circuit, solenoid valve close, realize system electrical pressure protection, autostop, Warning function achievees the purpose that the safe operation for reducing oil emulsion loss, guaranteeing emulsion pump, improves Homes Using TV, is energy-saving.
Beneficial effects of the present invention: using the form of external flame-proof mine pressure sensor, this avoid by liquid High pressure in body pipeline is introduced into shell, has been evaded the leakage situation that pipeline may occur and has been caused to the device of enclosure interior Damage, reduce the failure risk of equipment and the design risk of shell, the present invention is to improve emulsion pump hydraulic system electrical While defencive function, solve coal mine hydraulic supporting concentrate (oil emulsion) leakage loss, conduit failure and the big face of system It the problem of product paralysis, has good promotion and practical value, good economic benefit and society can be generated after extensive popularization and application It can benefit.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention;
Fig. 2 is flame-proof type emulsion control system circuit diagram of the present invention;
In figure: 1- cabinet;2- main cavity;3- intrinsic safety cavity;4-PLC;5- flame-proof type emulsion control system;6- display screen;7- Operation button;8- pressure sensor;9- threading hole;10- sampling pipe;The quick connecting interface of 11-;12- mounting bracket.
Specific embodiment
With reference to the accompanying drawing, technical solution of the present invention is described in detail:
As shown in Figure 1, a kind of mining explosion-proof type emulsion system energy-saving protective controller, including cabinet 1, inside the cabinet 1 Equipped with a main cavity 2 and an intrinsic safety cavity 3, it is equipped with PLC4 and flame-proof type emulsion control system 5 in main chamber body 1, The PLC4 is equipped with display screen 6 and operation button 7, and the flame-proof type emulsion control system 5 is connect with PLC4 signal, described Flame-proof type emulsion control system 5 includes pressure sensor 8, is equipped with input/output signal line, the master in this case cavity 3 Connection of the threading hole 9 for component between main cavity 2 and intrinsic safety cavity 3, the cabinet 1 are equipped between cavity 2 and intrinsic safety cavity 3 Side be equipped with probe tube 10, one end of the probe tube 10 is equipped with quick connecting interface 11, the sampling pipe 10 and flame-proof type The connection of pressure sensor 8 of emulsion control system 5 for detecting the Fluid pressure in sampling pipe 10, as shown in Fig. 2, it is described every Quick-fried type emulsion control system includes pressure sensor J, relay group, indicator lamp groups and solenoid valve DC;The relay group packet Control relay J1, intermediate relay J2, J3 are included, the indicator lamp groups include indicator light X1, X2, X3, the pressure sensor J Normally-closed contact PL connect with intermediate relay J2, normally opened contact PH is connect with intermediate relay J3, and intermediate relay J2's is normal Closed contact J2-1 and the normally opened contact J3-1 of intermediate relay J3 are simultaneously concatenated after connecing with control relay J1, control relay J1's Normally opened contact J1-1 is concatenated with indicator light X1, and the normally-closed contact J2-2 of intermediate relay J2 is concatenated with indicator light X2, intermediate relay The normally opened contact J3-2 of device J3 is connect with indicator light X3, and the control relay J1 of the relay group, intermediate relay J2, J3 are simultaneously It connects, indicator light X1, X2, X3 of indicator lamp groups simultaneously connect, and solenoid valve DC is connect with the normally opened contact J1-3 of control relay J1, described Relay group, indicator lamp groups and solenoid valve simultaneously connect both ends and are respectively connected with power supply U, the terminals of the normally opened contact J1-2 of relay J1 In the holding circuit of the power-supplying circuit of sub- K1, K2 access control equipment operation.
Further, the pressure sensor 8 is 0-70MPa flame-proof mine pressure sensor, and sampling conduit is equipped with Pressure gauge 12, switching door is correspondingly arranged on the cabinet 1 with main cavity 2 and intrinsic safety cavity 3, and the bottom of box is equipped with installation Bracket 13.
When it is implemented, according to running situation, setting the highest of system after system wiring is all correctly completed The minimum pressure of operating pressure and limitation emulsion leakage, is connected by the quick connecting interface 11 of the probe tube 10 outside Flameproof box Connect the outlet end of emulsion pump high-pressure system pipeline, the pressure sensor 8 connected in 10 internal duct of probe tube is by probe tube 10 It is connect with flame-proof type emulsion control system, presses start button, show emulsion pump working condition on the display screen 6 of PLC And system pressure, if all in the normal range, showing " system is working properly " on display screen 6, relay J1 is power loss at this time State, the instruction of indicator light X1 green.
When low pressure alarming point of the system pressure lower than setting, and loine pressure does not reach in control system setting time It when normal value, if showing " system low-voltage power failure " on display screen 6, only alarms at this time, does not do emulsion pump shutdown action, if aobvious " system leakage " is shown in display screen 6, and immediately shuts down emulsion pump, at this time the course of work of flame-proof type emulsion control system It is that the PL point of pressure sensor J disconnects, intermediate relay J2 power loss, while signal is passed to J1, operates normally indicator light X1 Extinguish, low voltage failure indicator light X2 red light lights, while J1 exports fault-signal to PLC, executes shutdown emulsion by PLC Pump, does Collection and shows in man-machine interface, and exports and give higher level's fault-signal.
When alarm for high voltage point of the system pressure higher than setting, and loine pressure does not reach in control system setting time When normal value, if showing " system high pressure power failure " on display screen 6, only alarms at this time, do not do emulsion pump shutdown action;If " system booster is dangerous " is shown on display screen 6, and immediately shuts down emulsion pump, at this time the work of flame-proof type emulsion control system It is that the PH point of pressure sensor U1 is attracted as process, intermediate relay J3 obtains electric, while signal is passed to J1, operated normally Indicator light X1 extinguishes, and high voltage fault indicator light X3 red light lights, while J1 exports fault-signal to PLC, executes shutdown by PLC Emulsion pump does Collection and shows in man-machine interface, and exports and give higher level's fault-signal.

Claims (6)

1. a kind of mining explosion-proof type emulsion system energy-saving protective controller, it is characterised in that including cabinet, the box house Equipped with a main cavity and an intrinsic safety cavity, PLC and flame-proof type emulsion control system are equipped in main chamber body, it is described PLC is equipped with display screen and operation button, and the flame-proof type emulsion control system is connect with PLC signal, the flame-proof type cream Changing liquid control system includes pressure sensor, and input/output signal line, main chamber body and this case are equipped in this case cavity Connection of the threading hole for component between main chamber and intrinsic safety chamber is equipped between cavity, the side of the cabinet is equipped with probe tube, institute The one end for stating probe tube is equipped with quick connecting interface, the pressure sensor company of the sampling pipe and flame-proof type emulsion control system It connects for detecting the Fluid pressure in sampling conduit.
2. mining explosion-proof type emulsion system energy-saving protective controller according to claim 1, it is characterised in that it is described every Quick-fried type emulsion control system includes pressure sensor J, relay group, indicator lamp groups and solenoid valve DC;The relay group packet Control relay J1, intermediate relay J2, J3 are included, the indicator lamp groups include indicator light X1, X2, X3, the pressure sensor J Normally-closed contact PL connect with intermediate relay J2, normally opened contact PH is connect with intermediate relay J3, and intermediate relay J2's is normal Closed contact J2-1 and the normally opened contact J3-1 of intermediate relay J3 are simultaneously concatenated after connecing with control relay J1, control relay J1's Normally opened contact J1-1 is concatenated with indicator light X1, and the normally-closed contact J2-2 of intermediate relay J2 is concatenated with indicator light X2, intermediate relay The normally opened contact J3-2 of device J3 is connect with indicator light X3, and the control relay J1 of the relay group, intermediate relay J2, J3 are simultaneously It connects, indicator light X1, X2, X3 of indicator lamp groups simultaneously connect, and solenoid valve DC is connect with the normally opened contact J1-3 of control relay J1, described Relay group, indicator lamp groups and solenoid valve simultaneously connect both ends and are respectively connected with power supply U, the terminals of the normally opened contact J1-2 of relay J1 In the holding circuit of the power-supplying circuit of sub- K1, K2 access control equipment operation.
3. mining explosion-proof type emulsion system energy-saving protective controller according to claim 1, it is characterised in that described to adopt Sample pipeline is equipped with pressure gauge, the pressure for real time inspection emulsion pump high-pressure system pipeline.
4. mining explosion-proof type emulsion system energy-saving protective controller according to claim 1, it is characterised in that the case Switching door is correspondingly arranged on body with main cavity and this case cavity, it is convenient that equipment is overhauled.
5. mining explosion-proof type emulsion system energy-saving protective controller according to claim 1, it is characterised in that the case Body bottom is equipped with mounting bracket, convenient for the installation of controller.
6. mining explosion-proof type emulsion system energy-saving protective controller according to claim 1, it is characterised in that the pressure Force snesor is 0-70MPa flame-proof mine pressure sensor.
CN201811288391.6A 2018-10-31 2018-10-31 A kind of mining explosion-proof type emulsion system energy-saving protective controller Pending CN109613881A (en)

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Application Number Priority Date Filing Date Title
CN201811288391.6A CN109613881A (en) 2018-10-31 2018-10-31 A kind of mining explosion-proof type emulsion system energy-saving protective controller

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Application Number Priority Date Filing Date Title
CN201811288391.6A CN109613881A (en) 2018-10-31 2018-10-31 A kind of mining explosion-proof type emulsion system energy-saving protective controller

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110217556A (en) * 2019-06-06 2019-09-10 平安开诚智能安全装备有限责任公司 A kind of belt conveyer for coal mine protection system

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3957395A (en) * 1974-11-25 1976-05-18 Cla-Val Co. Method and apparatus for controlling a pump
CN101126402A (en) * 2006-08-18 2008-02-20 淄博市博山防爆电器厂有限公司 Intelligent emulsion pump station for mining
CN101858337A (en) * 2010-05-14 2010-10-13 周和平 Intelligent control device for mine-used emulsion pump station
CN202402398U (en) * 2012-01-19 2012-08-29 王雪斌 Explosion-proof type control cabinet used for mine-used emulsion pump station
CN103727101A (en) * 2014-01-17 2014-04-16 安徽理工大学 Electronic control device for hydraulic pump station of mining flame-proof type endless rope winch
CN204941885U (en) * 2015-09-16 2016-01-06 枣庄矿业(集团)有限责任公司田陈煤矿 Emulsion power pack automation control system
CN209356907U (en) * 2018-10-31 2019-09-06 山西潞安环保能源开发股份有限公司常村煤矿 Mining explosion-proof type emulsion system energy-saving protective controller

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3957395A (en) * 1974-11-25 1976-05-18 Cla-Val Co. Method and apparatus for controlling a pump
CN101126402A (en) * 2006-08-18 2008-02-20 淄博市博山防爆电器厂有限公司 Intelligent emulsion pump station for mining
CN101858337A (en) * 2010-05-14 2010-10-13 周和平 Intelligent control device for mine-used emulsion pump station
CN202402398U (en) * 2012-01-19 2012-08-29 王雪斌 Explosion-proof type control cabinet used for mine-used emulsion pump station
CN103727101A (en) * 2014-01-17 2014-04-16 安徽理工大学 Electronic control device for hydraulic pump station of mining flame-proof type endless rope winch
CN204941885U (en) * 2015-09-16 2016-01-06 枣庄矿业(集团)有限责任公司田陈煤矿 Emulsion power pack automation control system
CN209356907U (en) * 2018-10-31 2019-09-06 山西潞安环保能源开发股份有限公司常村煤矿 Mining explosion-proof type emulsion system energy-saving protective controller

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110217556A (en) * 2019-06-06 2019-09-10 平安开诚智能安全装备有限责任公司 A kind of belt conveyer for coal mine protection system

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