CN103166555B - Mine explosion-suppression pneumatic type alternating current power-generating system - Google Patents
Mine explosion-suppression pneumatic type alternating current power-generating system Download PDFInfo
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- CN103166555B CN103166555B CN201310060530.0A CN201310060530A CN103166555B CN 103166555 B CN103166555 B CN 103166555B CN 201310060530 A CN201310060530 A CN 201310060530A CN 103166555 B CN103166555 B CN 103166555B
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- 230000000087 stabilizing effect Effects 0.000 claims abstract description 16
- 230000008878 coupling Effects 0.000 claims abstract description 7
- 238000010168 coupling process Methods 0.000 claims abstract description 7
- 238000005859 coupling reaction Methods 0.000 claims abstract description 7
- 239000003990 capacitor Substances 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 239000008186 active pharmaceutical agent Substances 0.000 abstract description 3
- 238000001914 filtration Methods 0.000 description 3
- 238000010248 power generation Methods 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Abstract
The present invention discloses a kind of mine explosion-suppression pneumatic type alternating current power-generating system, gas source is by pipeline and switch-valve, pressure valve, electric flow control valve is connected and drives pneumatic motor to rotate, pneumatic motor passes through coupling shaft, sleeve drives three-phase alternator generating, the alternating-current that generator exports is through rectification, filtered direct current is directly supplied to H bridge rectification circuit, voltage sensor, and by being supplied to DSP after Voltage stabilizing module voltage stabilizing, the pwm control signal that DSP sends controls H-bridge inverter circuit on the one hand through driving circuit, control electric flow control valve regulates the gas flow of inlet mouth automatically on the other hand, it is made to export volts DS within working range, direct current is again through H-bridge inverter circuit, direct current is become and stablizes available alternating-current. economy of the present invention, convenient, pollution-free, intelligent regulate, every quick-fried, noise is little, convenient install.
Description
Technical field
The present invention relates to pneumatic drive and power field, specifically a kind of mine explosion-suppression pneumatic type alternating current power-generating system.
Background technology
In recent years, colliery power supply system problem happens occasionally, and not only can affect coal production, and can damage electromechanical equipment, even can cause fatal accident. Underground coal mine has gas, underground Yong Shui, once power supply system goes wrong may occur that personnel suffocate, gas explosion, the danger that mine is not likely had by water logging, brings huge loss to country, to miner life security constitute great threat.
Safety in production is also had important impact by quality of power supply, power generation system delivers to the terminal voltage of electrical equipment and rated value always has some deviations, this deviation is voltage excursion, it is the important indicator weighing quality of power supply, and various electrical equipment can adapt to the voltage excursion of certain limit, but exceeds allowed band, the operation conditions of electric installation will significantly worsen, thus a kind of mine explosion-suppression pneumatic type alternating current power-generating system of invention, it may be achieved the automatic adjustment of voltage, drops to minimum by voltage excursion value.
Current alternating current power-generating system progressively uses, but they adopt the liquid mediums such as diesel oil as propulsion source mostly, and the tail gas of the waste energy and discharge has pollution, and volume and weight is all very big, expensive, and their noises are very big, seriously affect workman physically and mentally healthy. Air is a kind of novel energy, and resource not to the utmost, has especially substantially all laid blast pipeline in main tunnel under ore deposit, utilizes these blast to carry out generating convenient and swift. Mine explosion-suppression pneumatic type alternating current power-generating system of the present invention adopts pressurized air as propulsion source based on this, is the voltage of alternating current grade needed for the offer of down-hole, and output voltage is stablized, and can meet various power requirement.
Summary of the invention
Big in order to solve existing power generation system volume and weight, noise is big, the waste energy, tail gas pollution is serious, can not according to a series of problems such as the automatic regulation output voltages of load size, the present invention provides a kind of mine explosion-suppression pneumatic type alternating current power-generating system, by sensor, motor-driven control valve and pilot circuit with the use of, make power generation system more intelligent, safe and reliable, being added with flameproof enclosure, anti-locking system produces spark and causes security incident simultaneously.
The present invention is achieved by the following scheme:
A kind of mine explosion-suppression pneumatic type alternating current power-generating system, it is characterised in that: comprise pneumatic part, mechanical part, automatically controlled part, pneumatic part comprise connected successively by pipeline switch-valve, pressure valve, electric flow control valve, mechanical part comprises flameproof enclosure, pneumatic motor, three-phase alternator, flameproof enclosure includes flameproof enclosure upper bracket, flameproof enclosure lower bracket, pneumatic motor, three-phase alternator are separately fixed on flameproof enclosure lower bracket, flameproof enclosure lower bracket is provided with air inlet/outlet, wire outlet, pneumatic motor is set with sleeve by the be in transmission connection junction of three-phase alternator, pneumatic motor and coupling shaft of coupling shaft, electric control part is divided and is included three-phase commutation bridge, three-phase commutation bridge is parallel with filter capacitor, filter capacitor is parallel with voltage sensor, Voltage stabilizing module, H-bridge inverter circuit, the signal output terminal access DSP of voltage sensor, the power supply end of DSP connects the voltage output end of Voltage stabilizing module, H-bridge inverter circuit includes four high-power thyristor Q1, Q2, Q3, Q4, the high-power thyristor Q1 of series connection, Q2 and the high-power thyristor Q3 connected, Q4 is in parallel, high-power thyristor Q1, the tie point of Q2 connects one end of inductance L, the other end of inductance L connects one end of electric capacity C, the other end access high-power thyristor Q3 of electric capacity C, the tie point of Q4, DSP is connected with driving circuit one, driving circuit two, driving circuit one drives and connects high-power thyristor Q1, Q2, Q3, Q4, driving circuit two drives and connects electric flow control valve, gas source is connected with switch-valve by pipeline, the other end of electric flow control valve enters flameproof enclosure by pipeline by air inlet/outlet and accesses pneumatic motor, pneumatic motor drives three-phase alternator generating, the three-phase alternating current that three-phase alternator output terminal exports stretches out flameproof enclosure by wire from wire outlet and accesses three-phase commutation bridge, three-phase alternating current is through rectification, filtered direct current is directly supplied to H-bridge inverter circuit, and by being supplied to DSP after Voltage stabilizing module voltage stabilizing, the pwm control signal that DSP sends controls H full-bridge inversion circuit through driving circuit one, electric flow control valve is controlled through driving circuit two, thus control the flow of gas, direct current after H-bridge inverter circuit stable output can alternating-current.
Described a kind of mine explosion-suppression pneumatic type alternating current power-generating system, it is characterised in that: described DSP adopts 28035 high speed digital signal processors of TI company.
Described a kind of mine explosion-suppression pneumatic type alternating current power-generating system, it is characterised in that: described pneumatic motor is connected with flameproof enclosure lower bracket by bolt, and three-phase alternator is fixed by screws on flameproof enclosure lower bracket.
Described a kind of mine explosion-suppression pneumatic type alternating current power-generating system, it is characterised in that: described flameproof enclosure upper bracket and flameproof enclosure lower bracket are bolted, between add rubber pad and seal.
Described a kind of mine explosion-suppression pneumatic type is met an urgent need alternating current power-generating system, it is characterised in that: the output terminal of described three-phase alternator is fastened on flameproof enclosure lower bracket by key.
Described a kind of mine explosion-suppression pneumatic type alternating current power-generating system, it is characterised in that: the air inlet/outlet of described flameproof enclosure lower bracket is threaded by pipeline adapter and realizes the sealing of threaded connection place.
Described a kind of mine explosion-suppression pneumatic type alternating current power-generating system, it is characterised in that: the wire outlet of described flameproof enclosure lower bracket passes through rubber seal.
The principle of work of the present invention is:
Circuit control part of the present invention comprises three parts: direct current part, inversion part, DSP pilot circuit part. Direct current part is made up of the uncontrollable rectification of diode, capacitor filter; Inversion part is made up of H full-bridge and LC filtering circuit; DSP hardware circuit is primarily of 28035 high speed digital signal processors of a voltage stabilizing circuit, voltage sensor and TI company, and corresponding driving circuit composition. Voltage stabilizing circuit provides standard power supply to digital signal processor; The control of all data sampling, data processing, inversion circuit is then responsible for by digital signal processor, and driving circuit is for driving IGBT and electric flow control valve etc.
The volts DS that generator obtains after uncontrollable rectification, electric capacity filtering, can change along with the change of load. If changing excessive, will cause the inversion link can not the voltage of alternating current of stable output. So needing a feedback loop, automatically regulating inlet mouth gaseous tension and flow, the DC voltage control exported after rectifying and wave-filtering by generator is in certain limit. First pressure valve by the pressure-controlling of gas in certain scope, ensure that the output torque of pneumatic motor meets the nominal torque requirement of generator, again by the size of voltage sensor sampling volts DS, when voltage is crossed hour, the air input that control electric flow control valve increases pneumatic motor makes motor accelerate thus voltage is raised; When overtension, control electric flow control valve reduction motor air input by DSP and voltage is reduced. The pwm control signal that DSP sends controls inversion link circuit through driving circuit, is become by direct current and stablizes available mining alternating-current, can ensure voltage range and the frequency of needs.
Owing to have employed such scheme, it is an advantage of the invention that:
Economy of the present invention, convenient, pollution-free, intelligent regulate, every quick-fried, noise is little, convenient install.
Accompanying drawing explanation
Fig. 1 is mechanical part one-piece construction system diagram of the present invention.
Fig. 2 is the circuit structure of control part of the present invention and pneumatic structural representation.
Embodiment
As shown in Figure 1, 2, a kind of mine explosion-suppression pneumatic type alternating current power-generating system, comprises pneumatic part, mechanical part, automatically controlled part, pneumatic part comprise connected successively by pipeline switch-valve 1, pressure valve 2, electric flow control valve 3, mechanical part comprises flameproof enclosure, pneumatic motor 4, three-phase alternator 5, flameproof enclosure includes flameproof enclosure upper bracket 6, flameproof enclosure lower bracket 7, pneumatic motor 4, three-phase alternator 5 are separately fixed on flameproof enclosure lower bracket 7, flameproof enclosure lower bracket 7 is provided with air inlet/outlet 8, wire outlet 9, pneumatic motor 4 is in transmission connection three-phase alternator 5 by coupling shaft 10, and pneumatic motor 4 is set with sleeve 11 with the junction of coupling shaft 10, electric control part is divided and is included three-phase commutation bridge 12, three-phase commutation bridge 12 is parallel with filter capacitor Udc, filter capacitor Udc is parallel with voltage sensor 13, Voltage stabilizing module 14, H-bridge inverter circuit 15, the signal output terminal access DSP16 of voltage sensor 13, the power supply end of DSP16 connects the voltage output end of Voltage stabilizing module 14, H-bridge inverter circuit 15 includes four high-power thyristor Q1, Q2, Q3, Q4, the high-power thyristor Q1 of series connection, Q2 and the high-power thyristor Q3 connected, Q4 is in parallel, high-power thyristor Q1, the tie point of Q2 connects one end of inductance L, the other end of inductance L connects one end of electric capacity C, the other end access high-power thyristor Q3 of electric capacity C, the tie point of Q4,DSP is connected with driving circuit 1, driving circuit 2 18, driving circuit 1 drives and connects high-power thyristor Q1, Q2, Q3, Q4, driving circuit 2 18 drives and connects electric flow control valve 3, gas source is connected with switch-valve 1 by pipeline, the other end of electric flow control valve 3 enters flameproof enclosure by pipeline by air inlet/outlet 8 and accesses pneumatic motor 4, pneumatic motor 4 drives three-phase alternator 5 to generate electricity, the three-phase alternating current that three-phase alternator 5 output terminal exports stretches out flameproof enclosure by wire from wire outlet 9 and accesses three-phase commutation bridge 12, three-phase alternating current is through rectification, filtered direct current is directly supplied to H-bridge inverter circuit 15, and by being supplied to DSP16 after Voltage stabilizing module 14 voltage stabilizing, the pwm control signal that DSP16 sends controls H full-bridge inversion circuit 15 through driving circuit 1, electric flow control valve 3 is controlled through driving circuit 2 18, thus control the flow of gas, direct current after H-bridge inverter circuit 15 stable output can alternating-current.
DSP16 adopts 28035 high speed digital signal processors of TI company.
Pneumatic motor 4 is connected with flameproof enclosure lower bracket 7 by bolt, and three-phase alternator 5 is fixed by screws on flameproof enclosure lower bracket 7.
Flameproof enclosure upper bracket 6 and flameproof enclosure lower bracket 7 are bolted, between add rubber pad and seal.
The output terminal of three-phase alternator 5 is fastened on flameproof enclosure lower bracket 7 by key.
The air inlet/outlet 8 of flameproof enclosure lower bracket 7 is threaded by pipeline adapter and realizes the sealing of threaded connection place.
The wire outlet 9 of flameproof enclosure lower bracket 7 passes through rubber seal.
Claims (7)
1. a mine explosion-suppression pneumatic type alternating current power-generating system, it is characterised in that: comprise pneumatic part, mechanical part, automatically controlled part, pneumatic part comprise connected successively by pipeline switch-valve, pressure valve, electric flow control valve, mechanical part comprises flameproof enclosure, pneumatic motor, three-phase alternator, flameproof enclosure includes flameproof enclosure upper bracket, flameproof enclosure lower bracket, pneumatic motor, three-phase alternator are separately fixed on flameproof enclosure lower bracket, flameproof enclosure lower bracket is provided with air inlet/outlet, wire outlet, pneumatic motor is set with sleeve by the be in transmission connection junction of three-phase alternator, pneumatic motor and coupling shaft of coupling shaft, electric control part is divided and is included three-phase commutation bridge, three-phase commutation bridge is parallel with filter capacitor, filter capacitor is parallel with voltage sensor, Voltage stabilizing module, H-bridge inverter circuit, the signal output terminal access DSP of voltage sensor, the power supply end of DSP connects the voltage output end of Voltage stabilizing module, H-bridge inverter circuit includes four high-power thyristor Q1, Q2, Q3, Q4, the high-power thyristor Q1 of series connection, Q2 and the high-power thyristor Q3 connected, Q4 is in parallel, high-power thyristor Q1, the tie point of Q2 connects one end of inductance L, the other end of inductance L connects one end of electric capacity C, the other end access high-power thyristor Q3 of electric capacity C, the tie point of Q4, DSP is connected with driving circuit one, driving circuit two, driving circuit one drives and connects high-power thyristor Q1, Q2, Q3, Q4, driving circuit two drives and connects electric flow control valve, gas source is connected with switch-valve by pipeline, the other end of electric flow control valve enters flameproof enclosure by pipeline by air inlet/outlet and accesses pneumatic motor, pneumatic motor drives three-phase alternator generating, the three-phase alternating current that three-phase alternator output terminal exports stretches out flameproof enclosure by wire from wire outlet and accesses three-phase commutation bridge, three-phase alternating current is through rectification, filtered direct current is directly supplied to H-bridge inverter circuit, and by being supplied to DSP after Voltage stabilizing module voltage stabilizing, the pwm control signal that DSP sends controls H full-bridge inversion circuit through driving circuit one, electric flow control valve is controlled through driving circuit two, thus control the flow of gas, direct current after H-bridge inverter circuit stable output can alternating-current.
2. a kind of mine explosion-suppression pneumatic type alternating current power-generating system according to claim 1, it is characterised in that: described DSP adopts 28035 high speed digital signal processors of TI company.
3. a kind of mine explosion-suppression pneumatic type alternating current power-generating system according to claim 1, it is characterised in that: described pneumatic motor is connected with flameproof enclosure lower bracket by bolt, and three-phase alternator is fixed by screws on flameproof enclosure lower bracket.
4. a kind of mine explosion-suppression pneumatic type alternating current power-generating system according to claim 1, it is characterised in that: described flameproof enclosure upper bracket and flameproof enclosure lower bracket are bolted, between add rubber pad and seal.
5. a kind of mine explosion-suppression pneumatic type alternating current power-generating system according to claim 1, it is characterised in that: the output terminal of described three-phase alternator is fastened on flameproof enclosure lower bracket by key.
6. a kind of mine explosion-suppression pneumatic type alternating current power-generating system according to claim 1, it is characterised in that: the air inlet/outlet of described flameproof enclosure lower bracket is threaded by pipeline adapter and realizes the sealing of threaded connection place.
7. a kind of mine explosion-suppression pneumatic type alternating current power-generating system according to claim 1, it is characterised in that: the wire outlet of described flameproof enclosure lower bracket passes through rubber seal.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310060530.0A CN103166555B (en) | 2013-02-26 | 2013-02-26 | Mine explosion-suppression pneumatic type alternating current power-generating system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310060530.0A CN103166555B (en) | 2013-02-26 | 2013-02-26 | Mine explosion-suppression pneumatic type alternating current power-generating system |
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| CN103166555A CN103166555A (en) | 2013-06-19 |
| CN103166555B true CN103166555B (en) | 2016-06-08 |
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| CN111367229B (en) * | 2020-04-24 | 2023-04-28 | 南通大学 | Remotely controlled self-powered pneumatic stirrer system and working method |
| CN114294065B (en) * | 2021-12-30 | 2024-02-27 | 中控技术股份有限公司 | Pneumatic explosion-proof power supply device and implementation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101599649A (en) * | 2009-04-21 | 2009-12-09 | 合肥工业大学 | The modulation system of SPWM inverter control signal in directly-driving wind power generation system and the system |
| CN102305193A (en) * | 2011-09-05 | 2012-01-04 | 初立森 | Air compression energy storage wind power generation method and generating set thereof |
| CN202573777U (en) * | 2012-05-18 | 2012-12-05 | 周登荣 | Aerodynamic automobile |
| CN203104351U (en) * | 2013-02-26 | 2013-07-31 | 安徽理工大学 | Mining explosive-proof pneumatic type alternating current power generation system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060225941A1 (en) * | 2005-04-11 | 2006-10-12 | Cole William J | Compressed air powered vehicle |
| EP2305430A1 (en) * | 2009-09-30 | 2011-04-06 | Hitachi Koki CO., LTD. | Rotary striking tool |
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- 2013-02-26 CN CN201310060530.0A patent/CN103166555B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101599649A (en) * | 2009-04-21 | 2009-12-09 | 合肥工业大学 | The modulation system of SPWM inverter control signal in directly-driving wind power generation system and the system |
| CN102305193A (en) * | 2011-09-05 | 2012-01-04 | 初立森 | Air compression energy storage wind power generation method and generating set thereof |
| CN202573777U (en) * | 2012-05-18 | 2012-12-05 | 周登荣 | Aerodynamic automobile |
| CN203104351U (en) * | 2013-02-26 | 2013-07-31 | 安徽理工大学 | Mining explosive-proof pneumatic type alternating current power generation system |
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Effective date of registration: 20191112 Address after: Room 301-15, building 1, No.111, Guigu Er Road, Luoxing street, Jiashan County, Jiaxing City, Zhejiang Province Patentee after: Jiashan chuangyue Intellectual Property Service Co.,Ltd. Address before: 232001 Anhui Province, Huainan city Shungeng Road No. 168 Patentee before: Anhui University Of Science And Technology |
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Application publication date: 20130619 Assignee: Jiashan Tianyu New Material Co.,Ltd. Assignor: Jiashan chuangyue Intellectual Property Service Co.,Ltd. Contract record no.: X2022330000345 Denomination of invention: Mine flameproof pneumatic AC power generation system Granted publication date: 20160608 License type: Common License Record date: 20220728 |
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Effective date of registration: 20231018 Address after: Room 401-89, Building 1, No. 111 Guigu Second Road, Luoxing Street, Jiashan County, Jiaxing City, Zhejiang Province, 314100 (Residence application) Patentee after: Jiashan Luoxing Venture Capital Co.,Ltd. Address before: Room 301-15, building 1, No. 111, Guigu 2nd Road, Luoxing street, Jiashan County, Jiaxing City, Zhejiang Province Patentee before: Jiashan chuangyue Intellectual Property Service Co.,Ltd. |