CN201681310U - Automatic water level controller for coal mines - Google Patents
Automatic water level controller for coal mines Download PDFInfo
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- CN201681310U CN201681310U CN2009202208013U CN200920220801U CN201681310U CN 201681310 U CN201681310 U CN 201681310U CN 2009202208013 U CN2009202208013 U CN 2009202208013U CN 200920220801 U CN200920220801 U CN 200920220801U CN 201681310 U CN201681310 U CN 201681310U
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Abstract
An automatic water level controller for coal mines is provided with a start-stop button component and a water level controller, wherein the start-stop button component is used for starting the automatic water level controller, and is connected with a power output end of a remote load via an intrinsic safety insert and a control transformer, probes of a connector of the water level controller are respectively connected with a water level end of a reservoir, a seventh pin and an eighth pin of the connector are connected to two ends of the transformer, a first pin is connected with a switch contact of the intrinsic safety insert, a second pin is connected with a hand-operated water level switch, the hand-operated water level switch is connected with a display, a main circuit power supply is connected to the load via a disconnector, a contactor, a resistance-capacitance protector and a current transformer, the control transformer is connected with an output end of the disconnector, the current transformer is connected to the display via a motor protector, a contactor coil and a piezoresistor are arranged among connecting points from the pin 9B of the motor protector to the hand-operated water level switch to the display. The automatic water level controller for coal mines has functions of optionally selecting and setting water levels and controlling start and stop of water pumps, and realizes automation of drainage.
Description
Technical field
The utility model belongs to a kind of automatic controller for water level, particularly relates to a kind of can freely the selection and designated water level control starting mode of pump and the colliery automatic controller for water level that stops.
Background technology
At present, to the water pump that uses under the coal mine,, be by control manually normally by content gauge or float drainage control system.In the mine that contains explosion risk gas (methane) and coal dust, use and to control the water pump that uses under the coal mine manually, all can bring the safety of staff's life security and pit gear to seriously influence.
Summary of the invention
The utility model provides a kind of and can freely select and designated water level control starting mode of pump and the colliery automatic controller for water level that stops for solving the technical matters that exists in the known technology.
The technical scheme that the utility model is taked for the technical matters that exists in the solution known technology is: a kind of colliery automatic controller for water level; include; be used to start the start stop switch assembly of this automatic controller for water level; described start stop switch assembly is connected the power output end of remote load successively with control transformer by the intrinsic safety plug-in unit; also be provided with water level controller; the probe of the connection plug-in unit of described water level controller is connected with the water level end of cistern respectively; the pin 7 that connects plug-in unit; pin 8 connects the two ends of control transformer respectively; the pin 1 that connects plug-in unit connects the switch contact of intrinsic safety plug-in unit; pin 2 connects manual water level switch; described manual water level switch connects display; described main circuit power passes through disconnector successively; contactor; the rc absorber summation current transformer is connected to load; described control transformer is to link to each other with the output terminal of disconnector; described current transformer is connected to display to the signal that converts by motor protecter, between the tie point of manual water level switch and display contactor coil and voltage dependent resistor (VDR) is set at the pin 9B of motor protecter.
The probe of the connection plug-in unit of described water level controller includes: be connected cistern zero level place the zero potential probe, be connected the low-level probe at cistern low-water level place and be connected the high-level probe at cistern high water stage place.
Described power output end also links to each other with pin 9A, the 10B of motor protecter by the 4th auxiliary contact of contactor near that end of load.
Described start stop switch assembly includes, be used to select the selector switch of control far away or nearly control, the stiff end of described selector switch connects the intrinsic safety plug-in unit, control end far away connects the remote activation button, nearly control end connects the start button of this automatic controller for water level itself, and the described start button other end connects the intrinsic safety plug-in unit by first auxiliary contact of contactor.
Described start stop switch assembly also includes stop button, described stop button is by second stop button between the zero level of the probe of the connection plug-in unit of water level controller and cistern, and first stop button that is connected on the pin A1 of intrinsic safety plug-in unit constitutes, and described first stop button also is connected to long-range stop button.
Described water level controller includes the connection plug-in unit, the pin 7 of described connection plug-in unit and pin 8 are power end, pass through transformer successively, rectifier bridge, first regulator block and second regulator block provide external out-put supply, the pin 5 that connects plug-in unit connects low level end, pin 4 connects the input end pin 1 of two input nand gates, pin 3 links to each other with the input end pin 2 of two input nand gates by a pair of normally opened contact of relay, the output terminal pin 3 of described two input nand gates is connected the coil of relay successively respectively by resistance and triode, and first operational amplifier and second operational amplifier, described first operational amplifier also is connected first regulator block and second regulator block by second resistance respectively with second operational amplifier with first resistance.
Advantage and the good effect that the utlity model has are: colliery of the present utility model automatic controller for water level, overcome the inconvenience that manual operation brings in the prior art, the effect that has free selectivity and designated water level control starting mode of pump and stop to realize the drainage procedure robotization.It is little that dongle configuration has a volume, and the characteristics of compact conformation are easy to installation and maintenance.Highly versatile can constitute the switch of many control capacity.
Description of drawings
Fig. 1 is an one-piece construction synoptic diagram of the present utility model;
Fig. 2 is the circuit theory diagrams of the water level controller in the utility model.
Embodiment
For further understanding summary of the invention of the present utility model, characteristics and effect, enumerate following examples now, and conjunction with figs. describes in detail of the present utility model as follows:
As shown in Figure 1; colliery of the present utility model automatic controller for water level; include; be used to start the start stop switch assembly K of this automatic controller for water level; described start stop switch assembly K is connected the power output end of remote load successively with control transformer T1 by intrinsic safety plug-in unit JHK2; also be provided with water level controller SK-I; the water level probe 3 of the connection plug-in unit of described water level controller SK-I; 4; 5 are connected with the water level end of cistern respectively; the pin 7 that connects plug-in unit; pin 8 connects the two ends of control transformer T1 respectively; the pin 1 that connects plug-in unit connects switch contact J9 one end of intrinsic safety plug-in unit JHK2; pin 2 connects manual water level switch K2; described manual water level switch K2 connects display XS; described main circuit power is successively by disconnector GHK; contactor KM; rc absorber R-C summation current transformer LH is connected to load; described control transformer T1 links to each other with the output terminal of disconnector GHK; described current transformer LH is connected to display XS to the signal that converts by motor protecter DJ, between the tie point of manual water level switch K2 and display XS contactor KM coil and voltage dependent resistor (VDR) MYG is set at the pin 9B of motor protecter DJ.
The water level probe 3,4,5 of the connection plug-in unit of described water level controller SK-I includes: be connected cistern zero level d place zero potential probe 5, be connected the low-level probe 3 at cistern low-water level 33 places and be connected the high-level probe 4 at cistern high water stage 44 places.
Described power output end also links to each other with pin 9A, the 10B of motor protecter DJ by the 4th auxiliary contact KM-4 of contactor KM near that end of load.
Described start stop switch assembly K includes, be used to select the selector switch K1 of control far away or nearly control, the stiff end of described selector switch K1 connects intrinsic safety plug-in unit JHK2, control end far away connects remote activation button QA1, nearly control end connects the start button QA of this automatic controller for water level itself, and described start button QA also connects intrinsic safety plug-in unit JHK2 by the first auxiliary contact KM-1 of contactor KM.
Described start stop switch assembly K also includes stop button, described stop button is by the second stop button TA-2 between the zero level of the probe 5 of the connection plug-in unit of water level controller SK-I and cistern, and the first stop button TA-1 that is connected on the pin A1 of intrinsic safety plug-in unit JHK2 constitutes, and the described first stop button TA-1 also is connected to long-range stop button TA1.
As shown in Figure 2, described water level controller SK-I includes the connection plug-in unit, the pin 7 of described connection plug-in unit and pin 8 are power end, successively by transformer BK, rectifier bridge, the first regulator block U1 and the second regulator block U2 provide external out-put supply U5, the pin 5 that connects plug-in unit connects low level end, pin 4 connects the input end pin 1 of two input nand gate U5A, pin 3 links to each other with the input end pin 2 of two input nand gate U5A by a pair of normally opened contact of relay J 1, the model of two input nand gate U5A is MC14011B, the output terminal pin 3 of described two input nand gate U5A is connected the coil of relay J 1 successively respectively by resistance R 12 and triode T2, and first the operational amplifier U3 and the second operational amplifier U4, the described first operational amplifier U3 also is connected the first regulator block U1 and the second regulator block U2 by second resistance R 2 respectively with the second operational amplifier U4 with first resistance R 1.
Colliery of the present utility model is allocated to selector switch K1 " nearly control " position with in the automatic controller for water level, and manual water level switch K2 is allocated to " water control " position.Water level controller SK-I has three spy liquid drugs injections, is respectively zero level d, low-water level 33, high water stage 44.The bottom that during installation zero potential probe 5 is placed on cistern is (or a little lower again than the position of low-level probe 3 placements, as be lower than low-level probe 10cm or 5cm all right), low-level probe 3 is placed on the user and wishes that high-level probe 4 is placed on the warning altitude line of cistern on the height of water level of cistern maintenance every day.Pondage in the cistern by low-water level when high water stage climbs gradually, colliery of the present utility model keeps halted state with automatic controller for water level always, water level in cistern is with after high-level probe 4 contacts, starter starts, the work of drive pumping motor, pumping motor is worked after water level in the cistern is lower than low-level probe 3 (water does not contact with low-level probe) always, and the colliery quits work with automatic controller for water level.Also be by the said process periodic duty next time.
A) under high-level probe 4 and situation that water in the cistern contacts, stop starter work, this moment pin " stopping " button of starter self after, contactor promptly quits work, then " disconnector GHK " dialled to " disconnection " position, starter just can quit work; If " disconnector GHK " do not dialled to " disconnection " position, after openhanded opening " stopped " button, the contactor in the starter can continue adhesive work.This be because starter under " water control " state, whether high-level probe 4 contacts with water in the cistern is exactly the order of contactor adhesive.
B) when the water in the cistern not with situation that high-level probe 4 contacts under, stop starter work, as long as press " stopping " button of starter self this moment, starter has just quit work.Have only water level in the cistern with after high-level probe 4 contacts once more, starter just carries out next round work.
The principle of work of each water level probe of the connection plug-in unit of water level controller SK-I of the present utility model is as follows:
1, the method for work of low-level probe:
At first will detect stiff end, the zero potential probe 5 (pin 5 that connects plug-in unit) that just connects plug-in unit is put into the bottom (as long as particular location is lower than low-level probe) in pond, again low-level probe 3 (pin 3 that connects plug-in unit) is put into the qualification water-line target place in pond, at last high-level probe 4 (pin 4 that connects plug-in unit) is put into the warning line sign place in pond, when the water in the pond upwards slowly rises from the bottom, at first flood zero potential probe 5, this moment, zero potential probe 5 passed through the water short circuit with the detection stiff end, because a pair of normally opened contact of low-level probe 3 (pin 3 that connects plug-in unit) in circuit inside through relay J 1 links to each other with the pin 2 of two input nand gate U5A, and the action of relay J 1 is to lean on the output state of MC14011B two input nand gate U5A to go to control, so the low-water level test side has communicated in the pond with the fixed test end in the pond, but the output state of two input nand gate U5A does not change (being still low level), have only after the water in the pond continues to rise to high-level probe 4 (pin 4 that connects plug-in unit), in the pond, high-level probe 4, low-level probe 3, the fixed test end is by water short circuit all, because high-level probe 4 (pin 4 that connects plug-in unit) communicates with the fixed test end, make 1 pin of two input nand gate U5A become low level, the output of two input nand gate U5A becomes high level with regard to redirect, make T9013 triode T2 conducting through resistance R 12, relay J 1 also constitutes the loop conducting, its normally opened contact closure, the pin 2 of two input nand gate U5A also becomes low level, and the output of two input nand gate U5A still is high level.After water level is lower than high-level probe 4 under the effect of the water in the pond at water pumper, because low-level probe 3 still makes the pin 2 of two input nand gate U5A be positioned at low level, the output of two input nand gate U5A still is high level, after the water in the pond is lower than low-level probe 3, the fixed test end of basin bottom and low-level probe 3 not conductings, low-level probe 3 becomes high level, promptly the pin 2 of two input nand gate U5A becomes high level, high-level probe 4 has become high level before, so the output of two input nand gate U5A becomes low level from the high level saltus step, triode T2 (9013) is ended, relay J 1 becomes disconnection by conducting, its normally opened contact becomes normally open from closure state again, and this has just finished once circulation.
2, the normally opened contact string of the pin 1,2 of the connection plug-in unit of water level controller SK-I is in the wire loop of contactor KM (model QJZ-30SW), the operating voltage of contactor KM is AC36V, operating current is between the 1.4A-1.9A, and the contact current of the relay J 1 among the water level controller SK-I is 5A.This is non-intrinsic safety to normally opened contact; The pin 3 (low-level probe) of the connection plug-in unit among the water level controller SK-I here links to each other to normally opened contact with another of relay at circuit board, links to each other with 1 pin of two input nand gate U5A after passing through this normally opened contact, and this is the intrinsic safety contact to normally opened contact.
Colliery of the present utility model automatic controller for water level is mainly used in the mine that contains explosion risk gas (methane) and coal dust, can exchange 50Hz, and rated voltage 1140V or 660V in the circuit of 380V, to electric motor starting, stop to control and protecting.The water pump of this automatic controller for water level to using under the coal mine can be manual under electric supply system, switches mutually automatically, realizes running without interruption draining.
Claims (6)
1. colliery automatic controller for water level; it is characterized in that: include; be used to start the start stop switch assembly (K) of this automatic controller for water level; described start stop switch assembly (K) is connected the power output end of remote load successively with control transformer (T1) by intrinsic safety plug-in unit (JHK2); also be provided with water level controller (SK-I); the probe (3 of the connection plug-in unit of described water level controller (SK-I); 4; 5) be connected with the water level end of cistern respectively; the pin 7 that connects plug-in unit; pin 8 connects the two ends of control transformer (T1) respectively; the pin 1 that connects plug-in unit connects the switch contact (J9) of intrinsic safety plug-in unit (JHK2); pin 2 connects manual water level switch (K2); described manual water level switch (K2) connects display (XS); described main circuit power is successively by disconnector (GHK); contactor (KM); rc absorber (R-C) summation current transformer (LH) is connected to load; described control transformer (T1) is to link to each other with the output terminal of disconnector (GHK); described current transformer (LH) is connected to display (XS) to the signal that converts by motor protecter (DJ), between the tie point of manual water level switch (K2) and display (XS) contactor (KM) coil and voltage dependent resistor (VDR) (MYG) is set at the pin 9B of motor protecter (DJ).
2. colliery according to claim 1 automatic controller for water level is characterized in that: the probe of the connection plug-in unit of described water level controller (SK-I) (3,4,5) includes: be connected zero potential probe (5) that cistern zero level (d) locates, be connected the low-level probe (3) that cistern low-water level (33) locates and be connected the high-level probe (4) that cistern high water stage (44) is located.
3. colliery according to claim 1 automatic controller for water level is characterized in that: described power output end also links to each other with pin 9A, the 10B of motor protecter (DJ) by the 4th auxiliary contact (KM-4) of contactor (KM) near that end of load.
4. colliery according to claim 1 automatic controller for water level, it is characterized in that: described start stop switch assembly (K) includes, be used to select the selector switch (K1) of control far away or nearly control, the stiff end of described selector switch (K1) connects intrinsic safety plug-in unit (JHK2), control end far away connects remote activation button (QA1), nearly control end connects the start button (QA) of this automatic controller for water level itself, and described start button (QA) other end connects intrinsic safety plug-in unit (JHK2) by first auxiliary contact (KM-1) of contactor (KM).
5. colliery according to claim 1 automatic controller for water level, it is characterized in that: described start stop switch assembly (K) also includes stop button, described stop button is by second stop button (TA-2) between the zero level of the probe (5) of the connection plug-in unit that is positioned at water level controller (SK-I) and cistern, and first stop button (TA-1) that is connected on the pin A1 of intrinsic safety plug-in unit (JHK2) constitutes, and described first stop button (TA-1) also is connected to long-range stop button (TA1).
6. colliery according to claim 1 automatic controller for water level, it is characterized in that: described water level controller (SK-I) includes the connection plug-in unit, the pin 7 of described connection plug-in unit and pin 8 are power end, successively by transformer (BK), rectifier bridge, first regulator block (U1) and second regulator block (U2) provide external out-put supply (U5), the pin 5 that connects plug-in unit connects low level end, pin 4 connects the input end pin 1 of two input nand gates (U5A), pin 3 links to each other with the input end pin 2 of two input nand gates (U5A) by a pair of normally opened contact of relay (J1), the output terminal pin 3 of described two input nand gates (U5A) is connected the coil of relay (J1) successively respectively by resistance (R12) and triode (T2), and first operational amplifier (U3) and second operational amplifier (U4), described first operational amplifier (U3) also is connected first regulator block (U1) and second regulator block (U2) by second resistance (R2) respectively with second operational amplifier (U4) with first resistance (R1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202208013U CN201681310U (en) | 2009-09-22 | 2009-09-22 | Automatic water level controller for coal mines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202208013U CN201681310U (en) | 2009-09-22 | 2009-09-22 | Automatic water level controller for coal mines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201681310U true CN201681310U (en) | 2010-12-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202208013U Expired - Fee Related CN201681310U (en) | 2009-09-22 | 2009-09-22 | Automatic water level controller for coal mines |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201681310U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103731960A (en) * | 2013-12-31 | 2014-04-16 | 淮南万泰电子股份有限公司 | Lighting equipment adopting remote intrinsic safety control technology |
| CN110244785A (en) * | 2019-06-21 | 2019-09-17 | 陕西陕煤韩城矿业有限公司 | A kind of emulsion power pack control system of water-level |
-
2009
- 2009-09-22 CN CN2009202208013U patent/CN201681310U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103731960A (en) * | 2013-12-31 | 2014-04-16 | 淮南万泰电子股份有限公司 | Lighting equipment adopting remote intrinsic safety control technology |
| CN110244785A (en) * | 2019-06-21 | 2019-09-17 | 陕西陕煤韩城矿业有限公司 | A kind of emulsion power pack control system of water-level |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101222 Termination date: 20120922 |