CN201433787Y - Water spray device - Google Patents
Water spray device Download PDFInfo
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- CN201433787Y CN201433787Y CN2009200003470U CN200920000347U CN201433787Y CN 201433787 Y CN201433787 Y CN 201433787Y CN 2009200003470 U CN2009200003470 U CN 2009200003470U CN 200920000347 U CN200920000347 U CN 200920000347U CN 201433787 Y CN201433787 Y CN 201433787Y
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Abstract
The utility model discloses a down-hole water spray device, which can realize that the water spray device is started by using the roar of guns. The device comprises: an electromagnetic valve and a nozzle, wherein the electromagnetic valve comprises a normally close type valve and a control coil, and the valve is connected on a water supplying pipeline of the nozzle in series; a DC supply unit; a sound sensor for outputting low level when sensing a sound signal over a set value; a first capacitance of which one end is connected with a low level outputting end of the sound sensor and connected with a positive outputting end of the DC supply unit by a first resistance; a first triode of which a base stage is connected with the positive outputting end of the DC supply unit by a second resistance and an emitting stage groundings; a second capacitance of which one end groundings and the other end is connected with a collector electrode of the first triode; a second triode of which a basic stage is connected with the collector electrode of the first triode and an emitting state groundings; and a relay. The electromagnetic coil is connected with the emitting stage of the second triode andthe positive outputting end of the DC supply unit, a front contact is connected with the control coil of the electromagnetic coil and a supply power source outputting end of the electromagnetic coil valve.
Description
Technical field
The utility model relates to dust-settling technology, particularly a kind of down-hole water injector.
Background technology
In process of coal mining, often need blow out to explode loose coal seam in the down-hole, owing to can evoke a large amount of dust after blowing out at every turn, a large amount of coal dusts are suspended in and very easily cause the coal dust detonation in the tunnel and accidents caused, so need in time to remove coal dust.
In the prior art, the main method of removing coal dust be spray water with the absorption coal dust, water spraying time and number of times be mainly by Artificial Control, in case operating personnel's carelessness then may forget startup, thereby reduce the reliability of water injector, influenced dust removing effects.
Application number is for providing a kind of technical scheme of utilizing a button to trigger simultaneously to blow out device and water injector in 200720070384 the Chinese patent application, although realized the automatic startup of water injector when blowing out, eliminated the integrity problem that human factor causes, but, the design that the button of starting drive and water spray binds together will be blown out, need adjust the position of button according to the laying of shot point at any time, inconvenient practical application.
The utility model content
The utility model embodiment provides a kind of water injector, realizes utilizing report to start water injector.
A kind of water injector comprises:
Electromagnetic valve and nozzle, described electromagnetic valve comprises closed type valve and control coil, described valve is connected on the water supply line of nozzle;
Dc power supply unit is used to provide working power;
Sound transducer is used for acoustic signals, and when the voice signal intensity that senses surpasses setting value output low level;
First electric capacity, an end connect the low level output of described sound transducer, and connect the cathode output end of described dc power supply unit by first resistance;
First triode, base stage connects the cathode output end of described dc power supply unit by second resistance, and connects the other end of first electric capacity, and colelctor electrode connects the cathode output end of described dc power supply unit, grounded emitter by the 3rd resistance;
Second electric capacity, an end ground connection, the other end connects the colelctor electrode of first triode;
Second triode, base stage connect the colelctor electrode of first triode, grounded emitter;
Relay, electromagnetic coil are connected between the cathode output end of the colelctor electrode of second triode and dc power supply unit, and normally opened contact is connected between the control coil and solenoid valve power output end of described electromagnetic valve.
Further described device also comprises:
First phase inverter and second phase inverter, the first phase inverter input connects first transistor collector, and output connects the second phase inverter input, and second inverter output connects the non-earth terminal of second electric capacity;
The 3rd phase inverter and the 4th phase inverter, the 3rd phase inverter input connects the non-earth terminal of second electric capacity, and output connects the second phase inverter input, and second inverter output connects second transistor base.
Further described device also comprises: the 4th resistance is connected in parallel on the described second electric capacity two ends.
Preferable, described second electric capacity is slip electric capacity.
Further described device also comprises: variable resistor is connected between the cathode output end of described first resistance and dc power supply unit.
Preferable, described dc power supply unit comprises: transformer and rectification circuit.
Further described device also comprises: voltage regulation unit is used to stablize the output voltage of described dc power supply unit.
The utility model utilizes sound transducer to realize controlling according to the down-hole report startup of water injector, thereby in time start water injector automatically and carry out depositing dust, improved the reliability that starts water injector, and no longer bind the start button of blowing out in water injector and down-hole, simplified operating personnel's operation.
Description of drawings
First kind of water injector control principle schematic diagram that Fig. 1 provides for the utility model;
Second kind of water injector control principle schematic diagram that Fig. 2 provides for the utility model.
The specific embodiment
As shown in Figure 1, the water injector that utilizes report to start that the utility model embodiment provides mainly comprises:
Electromagnetic valve and nozzle 11, electromagnetic valve comprises closed type valve 121 and control coil 122, and valve 121 is connected on the water supply line of nozzle 11, and nozzle 11 can be provided with a plurality of as required, be distributed in the diverse location of underworkings, satisfy the water spray needs of zones of different;
Dc power supply unit 13 is used to provide working power;
Sound transducer M is used for acoustic signals, and when the voice signal intensity that senses surpasses setting value output low level;
First capacitor C, 1, one end connects the low level output of sound transducer M, and connects the cathode output end of dc power supply unit 13 by first resistance R 1;
The first triode Q1, base stage connects the cathode output end of dc power supply unit 13 by second resistance R 2, and connects the other end of first capacitor C 1, and colelctor electrode is by the cathode output end of the 3rd resistance R 3 connection dc power supply units 13, grounded emitter;
Second capacitor C, 2, one end ground connection, the other end connects the colelctor electrode of the first triode Q1;
The second triode Q2, base stage connects the colelctor electrode of the first triode Q1, grounded emitter;
Relay J, the electromagnetic coil of relay J are connected between the cathode output end of the colelctor electrode of the second triode Q2 and dc power supply unit 13, and normally opened contact j is connected between the control coil 122 and solenoid valve power output end of electromagnetic valve.
The operating principle of above-mentioned water injector is: under the normal condition, the anodal output voltage of dc power supply unit makes the first triode Q1 conducting, the first triode Q1 collector voltage is approximately zero, the base voltage of the second triode Q2 is approximately zero, and the second triode Q2 is by, relay J induction coil dead electricity, normally opened contact j opens, closed type solenoid control coil 122 dead electricity, electromagnetic valve valve 121 is closed, and nozzle 11 is not sprayed water.
Sense the voice signal that surpasses certain intensity as sound transducer M, for example during the report of down-hole, an end that is connected with first capacitor C 1 becomes low level, in change procedure, first capacitor C, 1 other end also becomes low level, the first triode Q1 because of base voltage become low level by, the colelctor electrode of the first triode Q1 becomes high level, to 2 chargings of second capacitor C, the second triode Q2 becomes the high level conducting because of base voltage simultaneously rapidly in beginning, and the induction coil of relay J gets, normally opened contact j closure, closed type solenoid control coil 122 gets electric, and electromagnetic valve valve 121 is opened, and nozzle 11 begins water spray.After finishing, 2 chargings of second capacitor C begin discharge, determine according to capacitance discharge time, in second capacitor C, 2 discharge processes, the second triode Q2 keeps high level because of base voltage and continues conducting, finishes until 2 discharges of second capacitor C, the second triode Q2 by, relay J induction coil dead electricity, normally opened contact j opens, closed type solenoid control coil 122 dead electricity, electromagnetic valve valve 121 is closed, and nozzle 11 is not sprayed water.
As shown in Figure 2, further for realizing buffer action, stablize the base voltage of the second triode Q2, water injector can also comprise:
First inverter ic 1 and second inverter ic, 2, the first inverter ics, 1 input connect the first triode Q1 colelctor electrode, and output connects second inverter ic, 2 inputs, and second inverter ic, 2 outputs connect the non-earth terminal of second capacitor C 2; And
The 3rd inverter ic 3 and the 4th inverter ic 4, the three inverter ics 3 inputs connect the non-earth terminal of second capacitor C 2, and output connects second inverter ic, 2 inputs, and second inverter ic, 2 outputs connect the second triode Q2 base stage.
Like this, after the colelctor electrode of the first triode Q1 becomes high level, through first inverter ic 1 and second inverter ic 2 twice anti-phase after, keep high level to 2 chargings of second capacitor C, and after the 3rd inverter ic 3 and the 4th inverter ic 4 are anti-phase, be added in the base stage of the second triode Q2 again.
Still referring to shown in Figure 2, second capacitor C 2 can be slip electric capacity, and in two ends parallel connection the 4th resistance R 4, thereby utilize the resistance of the 4th resistance R 4 and the capacitance of second capacitor C 2 to regulate discharge time, the i.e. each water spraying time of nozzle.
Still,, can also comprise variable resistor Rv, be connected between the cathode output end of first resistance R 1 and dc power supply unit 13 for regulating the sensitivity of sound transducer M referring to shown in Figure 2.
Generally speaking, dc power supply unit 13 is made up of transformer and rectification circuit, for carrying out filtering with the smooth direct current output voltage, as shown in Figure 2, can increase stabilizator 14 and filter capacitor C3 and C4, is used for the output voltage of smooth direct current power supply unit 13.Dc power supply unit 13 also can be selected the single-chip microcomputer power supply unit of Adjustable Output Voltage.
In the utility model, electromagnetic valve is generally selected explosion-proof solenoid valve, and nozzle 11 is adjustable pulverizing nozzle.
The utility model utilizes sound transducer to realize controlling according to the down-hole report startup of water injector, thereby in time start water injector automatically and carry out depositing dust, improved the reliability that starts water injector, and no longer bind the start button of blowing out in water injector and down-hole, simplified operating personnel's operation.
Obviously, those skilled in the art can carry out various changes and modification to the utility model embodiment and not break away from spirit and scope of the present utility model.Like this, if of the present utility model these are revised and modification belongs within the scope of the utility model claim and equivalent technologies thereof, then the utility model also is intended to comprise these changes and modification interior.
Claims (9)
1, a kind of water injector is characterized in that, comprising:
Electromagnetic valve and nozzle, described electromagnetic valve comprises closed type valve and control coil, described valve is connected on the water supply line of nozzle;
Dc power supply unit is used to provide working power;
Sound transducer is used for acoustic signals, and when the voice signal intensity that senses surpasses setting value output low level;
First electric capacity, an end connect the low level output of described sound transducer, and connect the cathode output end of described dc power supply unit by first resistance;
First triode, base stage connects the cathode output end of described dc power supply unit by second resistance, and connects the other end of first electric capacity, and colelctor electrode connects the cathode output end of described dc power supply unit, grounded emitter by the 3rd resistance;
Second electric capacity, an end ground connection, the other end connects the colelctor electrode of first triode;
Second triode, base stage connect the colelctor electrode of first triode, grounded emitter;
Relay, electromagnetic coil are connected between the cathode output end of the colelctor electrode of second triode and dc power supply unit, and normally opened contact is connected between the control coil and solenoid valve power output end of described electromagnetic valve.
2, device as claimed in claim 1 is characterized in that, also comprises:
First phase inverter and second phase inverter, the first phase inverter input connects first transistor collector, and output connects the second phase inverter input, and second inverter output connects the non-earth terminal of second electric capacity;
The 3rd phase inverter and the 4th phase inverter, the 3rd phase inverter input connects the non-earth terminal of second electric capacity, and output connects the second phase inverter input, and second inverter output connects second transistor base.
3, device as claimed in claim 1 or 2 is characterized in that, also comprises: the 4th resistance is connected in parallel on the described second electric capacity two ends.
4, device as claimed in claim 3 is characterized in that, described second electric capacity is slip electric capacity.
5, device as claimed in claim 1 or 2 is characterized in that, also comprises: variable resistor is connected between the cathode output end of described first resistance and dc power supply unit.
6, device as claimed in claim 1 or 2 is characterized in that, described dc power supply unit comprises: transformer and rectification circuit.
7, device as claimed in claim 6 is characterized in that, also comprises: voltage regulation unit is used to stablize the output voltage of described dc power supply unit.
8, device as claimed in claim 1 or 2 is characterized in that, described electromagnetic valve is an explosion-proof solenoid valve.
9, device as claimed in claim 1 or 2 is characterized in that, described nozzle is adjustable pulverizing nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200003470U CN201433787Y (en) | 2009-01-13 | 2009-01-13 | Water spray device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200003470U CN201433787Y (en) | 2009-01-13 | 2009-01-13 | Water spray device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201433787Y true CN201433787Y (en) | 2010-03-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200003470U Expired - Fee Related CN201433787Y (en) | 2009-01-13 | 2009-01-13 | Water spray device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201433787Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102410039A (en) * | 2011-10-20 | 2012-04-11 | 中国科学技术大学 | Self-pressure type quick start continuous water spray explosion-prevention and explosion suppression system |
| CN102635387A (en) * | 2012-03-19 | 2012-08-15 | 新汶矿业集团有限责任公司协庄煤矿 | Front canopy automatic water curtain of digging and blasting working surface and working method thereof |
| CN102733842A (en) * | 2012-04-25 | 2012-10-17 | 新汶矿业集团有限责任公司孙村煤矿 | Electronic sound control automatic spraying and dust-settling control device and working method thereof |
| CN110886888A (en) * | 2019-10-23 | 2020-03-17 | 华帝股份有限公司 | Electromagnetic valve control system and control method |
-
2009
- 2009-01-13 CN CN2009200003470U patent/CN201433787Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102410039A (en) * | 2011-10-20 | 2012-04-11 | 中国科学技术大学 | Self-pressure type quick start continuous water spray explosion-prevention and explosion suppression system |
| CN102635387A (en) * | 2012-03-19 | 2012-08-15 | 新汶矿业集团有限责任公司协庄煤矿 | Front canopy automatic water curtain of digging and blasting working surface and working method thereof |
| CN102733842A (en) * | 2012-04-25 | 2012-10-17 | 新汶矿业集团有限责任公司孙村煤矿 | Electronic sound control automatic spraying and dust-settling control device and working method thereof |
| CN110886888A (en) * | 2019-10-23 | 2020-03-17 | 华帝股份有限公司 | Electromagnetic valve control system and control method |
| CN110886888B (en) * | 2019-10-23 | 2021-08-27 | 华帝股份有限公司 | Electromagnetic valve control system and control method |
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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: 20100331 Termination date: 20110113 |