CN101976819A - Mine explosion-proof alternative current (AC) vacuum electromagnetic starter - Google Patents
Mine explosion-proof alternative current (AC) vacuum electromagnetic starter Download PDFInfo
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- CN101976819A CN101976819A CN201010533032XA CN201010533032A CN101976819A CN 101976819 A CN101976819 A CN 101976819A CN 201010533032X A CN201010533032X A CN 201010533032XA CN 201010533032 A CN201010533032 A CN 201010533032A CN 101976819 A CN101976819 A CN 101976819A
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Abstract
The invention discloses a mine explosion-proof alternating current (AC) vacuum electromagnetic starter, which comprises a starter body and a remote control device. The starter body comprises a linkage changeover switch, a first diode, a motor comprehensive protector, a 1# connection terminal and the like; and the remote control device comprises a second diode, a remote-end start button and the like. Due to the diodes, when the remote-end start button is pressed, the 1# connection terminal detects a direct current (DC) signal, and the motor comprehensive protector is conducted in a normal working state; and when a remote control lead is short-circuited, the 1# connection terminal detects an AC signal, and the motor comprehensive protector trips so as to avoid abnormal start. Moreover, the arranged motor comprehensive protector with protection functions for overload, overvoltage, under-voltage, electric leakage and the like guarantees the practicability and the reliability of the mine explosion-proof AC vacuum electromagnetic starter, and the arrangement of the linkage changeover switch provides option for realizing the multi-state control of the load, thereby enhancing the functions of the mine explosion-proof AC vacuum electromagnetic starter.
Description
Technical field
The present invention relates to a kind of electromagnetic starter, relate in particular to a kind of flame-proof mine AC vacuum electromagnetic starter.
Background technology
Vacuum magnetic starter is a kind of mine combined electrical apparatus commonly used, and it is mainly used to control and protection motor, and vacuum magnetic starter is an important electric equipment in the mining industry.Therefore, require vacuum magnetic starter to have bigger Current Control ability and more improve protective value.But the vacuum magnetic starter recent two decades that uses does not have big breakthrough technically at present, and its function ratio is more single, has many deficiencies on reliability, fail safe, practicality and technical performance.In addition, vacuum magnetic starter generally adopts the startup of Long-distance Control starter and stops, vacuum magnetic starter is made up of by the remote control device that control lead-in wire far away links to each other with the starter body the starter body, but because control lead-in wire far away is long, complicated condition under the coal mine, many accidental causes can cause control lead-in wire far away to be extruded, to pound, to bump, and cause far controlling lead short circuit, vacuum magnetic starter starts voluntarily, safety is produced greatly threaten.
Summary of the invention
The object of the present invention is to provide that a kind of function is many, performance reliability, safe and practical flame-proof mine vacuum magnetic starter.
For achieving the above object, the invention provides a kind of flame-proof mine AC vacuum electromagnetic starter, comprise starter body and remote control device, described starter body comprises the three phase mains terminal, isolate reversing switch, current transformer, the threephase load terminal, first fuse, transformer, second fuse, auxiliary relay, vacuum contactor, the interlock diverter switch that constitutes by first switch and second switch, first diode, start button on the spot, stop button on the spot, integrated protector for electric motor, the 1# binding post, the 2# binding post, the 8# binding post, the 9# binding post, the 13# binding post, display screen, wherein, the three phase mains terminal, isolate reversing switch, the main contacts of vacuum contactor, current transformer, the threephase load terminal links to each other successively, the upper end of the original grade coil of transformer is by wherein one linking to each other in first fuse and the three phase mains terminal, wherein one link to each other in addition two in the lower end of the original grade coil of transformer and the three phase mains terminal, the upper end of the secondary coil of transformer is successively by second fuse, first auxiliary contact of auxiliary relay link to each other with an end of vacuum contactor, the other end of vacuum contactor links to each other with the 9# binding post, the lower end of the secondary coil of transformer links to each other with the 36V power input of integrated protector for electric motor, the Ib terminal of integrated protector for electric motor, the Ia terminal, the Ic terminal, the L2 terminal of GND terminal correspondence and current transformer, the L1 terminal, the L3 terminal, the 9# terminal links to each other, the 33# terminal of integrated protector for electric motor passes through the 3rd auxiliary contact of auxiliary relay successively, wherein one linking to each other in the 6th auxiliary contact of vacuum contactor and the three phase mains terminal, one end of second relay of integrated protector for electric motor respectively with an end of auxiliary relay, one end of first switch links to each other, the other end of second relay of integrated protector for electric motor links to each other with the other end of first switch, the output of the other end of auxiliary relay and first diode, the 1# binding post, one end of the 4th auxiliary contact of vacuum contactor, the 1st detection signal input of integrated protector for electric motor links to each other, the input of first diode links to each other with a contact of start button on the spot, on the spot another contact of start button respectively with an end of the last terminal contacts of stop button on the spot, the other end of the 4th auxiliary contact of vacuum contactor links to each other, the other end of the last terminal contacts of stop button links to each other with the 2# binding post on the spot, the 8# binding post links to each other with the 2nd detection signal input of integrated protector for electric motor by second auxiliary contact of auxiliary relay, the 13# binding post links to each other with the 2nd detection signal input of integrated protector for electric motor by second switch, one end of first relay of integrated protector for electric motor links to each other with an end of first switch, one end of the other end of first relay of integrated protector for electric motor and first auxiliary contact of auxiliary relay, one end of second fuse links to each other, and integrated protector for electric motor links to each other with display screen with power interface by serial ports;
Described remote control device comprises second diode, far-end start button, far-end stop button, wherein, the output of second diode links to each other with the 1# binding post, the input of second diode links to each other with a contact of far-end start button, another contact of far-end start button links to each other with the 2# binding post with a contact of far-end stop button, and another contact of far-end stop button links to each other with the 9# binding post.
Flame-proof mine AC vacuum electromagnetic starter of the present invention also is provided with the resistance-capacitance protection device between current transformer and threephase load terminal.
Flame-proof mine AC vacuum electromagnetic starter of the present invention; described starter body also comprises the 5# binding post, and the 5# binding post links to each other with an end of first relay of an end of first auxiliary contact of an end of an end of the following terminal contacts of stop button on the spot, second fuse, auxiliary relay, integrated protector for electric motor respectively.
Flame-proof mine AC vacuum electromagnetic starter of the present invention, transformer are the tapped transformer of its original grade coil band.
Flame-proof mine AC vacuum electromagnetic starter of the present invention comprises starter body and remote control device; the interlock diverter switch that the starter body comprises auxiliary relay, vacuum contactor, be made of first switch and second switch, first diode, integrated protector for electric motor, 1# binding post etc., remote control device comprises second diode, far-end start button, far-end stop button.Owing to be provided with the diode of unilateal conduction; when the far-end start button is pressed normal startup; the 1# binding post is detected to be direct current signal; integrated protector for electric motor is carried out normal operating conditions; when control lead short circuit far away; the 1# binding post is detected to be AC signal, integrated protector for electric motor tripping operation this moment, thus avoid unusual startup.In addition; owing to be provided with the integrated protector for electric motor of defencive functions such as overload with load, overvoltage, under-voltage, electric leakage; the practicality and the reliability of flame-proof mine AC vacuum electromagnetic starter have been guaranteed; the setting of interlock diverter switch then provides selection for the multiposition control (for example manual or control automatically) that realizes load, thereby has strengthened flame-proof mine AC vacuum electromagnetic starter function.
Description of drawings
Fig. 1 is the circuit theory diagrams of flame-proof mine AC vacuum electromagnetic starter of the present invention.
Embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present invention is described in detail:
With reference to shown in Figure 1, the flame-proof mine AC vacuum electromagnetic starter of present embodiment comprises starter body 1 and remote control device 2.
Wherein, starter body 1 comprises that the three phase mains terminal (is X1; X2; X3); isolate reversing switch HK; current transformer LH; the threephase load terminal (is D1; D2; D3); the first fuse RD1; the tapped transformer BK of original grade coil band; the second fuse RD2; auxiliary relay 1BJ; vacuum contactor ZJ; interlock diverter switch by the manual control of drawing water of being used for of constituting of the first switch 1K1 and second switch 1K2; the first diode E1; start button QA on the spot; stop button TA on the spot; integrated protector for electric motor BHQ; the 1# binding post; the 2# binding post; the 8# binding post; the 9# binding post; the 13# binding post; display screen D.The three phase mains terminal; isolate reversing switch HK; the main contacts of vacuum contactor ZJ (is ZJ1; ZJ2; ZJ3); current transformer LH; the threephase load terminal links to each other successively; between current transformer LH and threephase load terminal, also be provided with the resistance-capacitance protection device RC that is used for anti-overvoltage; the upper end of the original grade coil of transformer BK is by the first fuse RD1 and three phase mains terminal X1; X2; wherein one linking to each other among the X3; the lower end of the original grade coil of transformer BK and three phase mains terminal X1; X2; wherein one link to each other in addition two among the X3; the upper end of the secondary coil of transformer BK is successively by the second fuse RD2; the first auxiliary contact 1BJ1 of auxiliary relay 1BJ links to each other with the end of vacuum contactor ZJ; the other end of vacuum contactor ZJ links to each other with the 9# binding post; the lower end of the secondary coil of transformer BK links to each other with the 36V power input of integrated protector for electric motor BHQ; the Ib terminal of integrated protector for electric motor BHQ; the Ia terminal; the Ic terminal; the L2 terminal of GND terminal correspondence and current transformer LH; the L1 terminal; the L3 terminal; the 9# terminal links to each other; the 33# terminal of integrated protector for electric motor BHQ passes through the 3rd auxiliary contact 1BJ3 of auxiliary relay 1BJ successively; wherein one linking to each other in the 6th auxiliary contact ZJ6 of vacuum contactor ZJ and the three phase mains terminal; one end of second relay J 2 of integrated protector for electric motor BHQ respectively with the end of auxiliary relay 1BJ; the end of the first switch 1K1 links to each other; the other end of second relay J 2 of integrated protector for electric motor BHQ links to each other with the other end of the first switch 1K1; the output of the other end of auxiliary relay 1BJ and the first diode E1; the 1# binding post; the end of the 4th auxiliary contact ZJ4 of vacuum contactor ZJ; the 1st detection signal input of integrated protector for electric motor BHQ links to each other; the input of the first diode E1 links to each other with the contact of start button QA on the spot; on the spot another contact of start button QA respectively with an end of the last terminal contacts of stop button TA on the spot; the other end of the 4th auxiliary contact ZJ4 of vacuum contactor ZJ links to each other; the other end of the last terminal contacts of stop button TA links to each other with the 2# binding post on the spot; the 8# binding post links to each other with the 2nd detection signal input of integrated protector for electric motor BHQ by the second auxiliary contact 1BJ2 of auxiliary relay 1BJ; the 13# binding post links to each other with the 2nd detection signal input of integrated protector for electric motor BHQ by second switch 1K2; one end of first relay J 1 of integrated protector for electric motor BHQ links to each other with the end of the first switch 1K1; the end of the first auxiliary contact 1BJ1 of the other end of first relay J 1 of integrated protector for electric motor BHQ and auxiliary relay 1BJ; the end of the second fuse RD2 links to each other, and integrated protector for electric motor BHQ links to each other with display screen D with power interface by serial ports.
Wherein, remote control device 2 comprises the second diode E2, far-end start button QA ', far-end stop button TA ', the output of the second diode E2 links to each other with the 1# binding post, the input of the second diode E2 links to each other with the contact of far-end start button QA ', another contact of far-end start button QA ' links to each other with the 2# binding post with the contact of far-end stop button TA ', and another contact of far-end stop button TA ' links to each other with the 9# binding post.
In addition; starter body 1 can also comprise the 5# binding post of a reservation; this 5# binding post links to each other with an end of first relay J 1 of the end of the first auxiliary contact 1BJ1 of the end of an end of the following terminal contacts of stop button TA on the spot, the second fuse RD2, auxiliary relay 1BJ, integrated protector for electric motor BHQ respectively, can be used to realize next stage cascade control or exports as power supply.
During use, the three phase mains terminal is linked to each other with three phase mains, the threephase load terminal links to each other with motor, and the 8# binding post links to each other with the lower limit water-level probe that is used to detect the lower limit water level, and the 13# binding post links to each other with the upper limit water-level probe that is used for the upper limit of detection water level.Three phase mains enters starter through the three phase mains terminal, and the main contacts of isolation reversing switch HK, vacuum contactor ZJ through being used to control the motor forward and backward, threephase load terminal are connected motor, and following mask body is introduced its course of work:
Close a floodgate: press local start button QA, vacuum contactor ZJ adhesive, process is as follows: by first relay J, 1 → the first switch 1K1 of the 36V power supply → second fuse RD2 → integrated protector for electric motor BHQ of the secondary coil of transformer BK output (the first switch 1K1 closure manually the time, second switch 1K2 opens) → (during local control, 2# binding post and 9# binding post short circuit are together for auxiliary relay 1BJ → first diode E1 → local start button QA → local stop button TA → 2# binding post; During far-end control, be 2# and 9# disconnection on the starter, local start button QA on the starter is inoperative at this moment, can only close a floodgate by the far-end start button QA ' control of remote control device 2,2# binding post and 9# binding post are by far-end stop button TA ' short circuit together at this moment) → 9# binding post (being the other end of the 36V of transformer BK secondary coil output), form the loop, auxiliary relay 1BJ adhesive, the first auxiliary contact 1BJ1 closure of auxiliary relay 1BJ, vacuum contactor ZJ gets electric adhesive, the main contacts closure of vacuum contactor ZJ is sent to load (being motor).After the vacuum contactor ZJ adhesive, its 4th auxiliary contact ZJ4 closure is carried out self-insurance, keeps operate as normal.
Overload protection: current transformer LH detects current signal; from its L1 terminal; the L2 terminal; the output of L3 terminal; advance the Ia terminal of integrated protector for electric motor BHQ; the Ib terminal; the Ic terminal; integrated protector for electric motor BHQ carries out filtering with it; after the A/D conversion; compare with setting load current value in the integrated protector for electric motor BHQ; when exceeding the setting load current value, carries out actual current action; first relay J 1 of integrated protector for electric motor BHQ is opened; auxiliary relay 1BJ discharges; vacuum contactor ZJ discharges; the starter tripping operation, display screen D shows overload fault and overload current simultaneously.
Short-circuit protection: current transformer LH detects current signal; from its L1 terminal, L2 terminal, the output of L3 terminal; advance Ia terminal, Ib terminal, the Ic terminal of integrated protector for electric motor BHQ; after integrated protector for electric motor BHQ carries out filtering, A/D conversion with it; compare with setting short-circuit current value in the integrated protector for electric motor BHQ; when surpassing the setting short-circuit current value; carry out action; first relay J 1 of integrated protector for electric motor BHQ is opened; auxiliary relay 1BJ discharges; vacuum contactor ZJ discharges, the starter tripping operation.Display screen D shows short trouble and short circuit current simultaneously.
Three-phase imbalance (phase failure) protection: current transformer LH detects current signal; from its L1 terminal, L2 terminal, the output of L3 terminal; advance Ia terminal, Ib terminal, the Ic terminal of integrated protector for electric motor BHQ; after integrated protector for electric motor BHQ carries out filtering, A/D conversion with it; compare with setting tri-phase unbalance factor in the integrated protector for electric motor BHQ; when surpassing the setting tri-phase unbalance factor; carry out action; first relay J 1 of integrated protector for electric motor BHQ is opened; auxiliary relay 1BJ discharges; vacuum contactor ZJ discharges, the starter tripping operation.Display screen D shows tri-phase unbalance factor and three-phase current simultaneously.
Earth leakage search/lockout: before starter closes a floodgate; integrated protector for electric motor BHQ by its 33# terminal to the detection of insulating of load electrical network; one group+24V power supply is arranged in the integrated protector for electric motor BHQ; this positive source ground connection; when the load line insulation reduces; positive source imports electrical network into by the electrical network resistance to earth, and (electrical network three is alternate because the motor line bag is arranged; three alternate D.C. resistances are very low); the 6th auxiliary contact ZJ6 through vacuum contactor ZJ; the 3rd auxiliary contact 1BJ3 of auxiliary relay 1BJ sends into integrated protector for electric motor BHQ; after integrated protector for electric motor BHQ detects this signal; this signal is carried out filtering; the A/D conversion; compare with setting insulation values in the integrated protector for electric motor BHQ; when actual value surpasses the setting insulation values; first relay J 1 of integrated protector for electric motor BHQ is opened; auxiliary relay 1BJ discharges, and vacuum contactor ZJ discharges, the starter tripping operation.Display screen D shows leak current fault and electrical leakage simultaneously.
Control lead-in wire Intelligent Measurement far away: when far-end start button QA ' presses normal startup; the 1# binding post is detected to be direct current signal; integrated protector for electric motor BHQ carries out normal operating conditions; when control lead short circuit far away, the 1# binding post is detected to be AC signal, and this moment, integrated protector for electric motor BHQ carried out action; first relay J 1 of integrated protector for electric motor BHQ is opened; auxiliary relay 1BJ discharges, and vacuum contactor ZJ discharges, the starter tripping operation.Display screen D shows control lead short circuit fault far away simultaneously.
Automatically draw water: during manual pumping; the first switch 1K1 closure; second switch 1K2 opens; the 13# binding post that link to each other with the upper limit water-level probe this moment, the 8# binding post that links to each other with the lower limit water-level probe are because the second auxiliary contact 1BJ2 of second switch 1K2 and auxiliary relay 1BJ is an off-state; the 2nd detection signal input of integrated protector for electric motor BHQ detects less than signal, does not carry out automatically and draws water.When drawing water automatically; the first switch 1K1 disconnects; second switch 1K2 closure; this moment, upper limit water-level probe detected signal, second relay J, 2 closures of integrated protector for electric motor BHQ, auxiliary relay 1BJ adhesive; the first auxiliary contact 1BJ1 closure of auxiliary relay 1BJ; vacuum contactor ZJ adhesive is carried out and is drawn water the second auxiliary contact 1BJ2 closure of auxiliary relay 1BJ automatically; along with the carrying out of drawing water; water level is descending, when water level is lower than upper limit water level, but when being higher than the lower limit water level; because the second auxiliary contact 1BJ2 closure of auxiliary relay 1BJ; the lower limit water-level probe also in water, still has signal, continues to draw water.When water level is lower than the lower limit water level; lower limit water-level probe loss signal, second relay J 2 of integrated protector for electric motor BHQ discharges, and auxiliary relay 1BJ discharges; the first auxiliary contact 1BJ1 of auxiliary relay 1BJ, the second auxiliary contact 1BJ2 disconnect, and stop pumping.When water level rises once more, surpass the lower limit water-level probe, but when being lower than upper limit water-level probe probe, because the second auxiliary contact 1BJ2 of auxiliary relay 1BJ is an off-state, detect less than signal, can not draw water automatically, when having only water level to be higher than upper limit water level, could draw water automatically once more.
Overvoltage (under-voltage) protection: the 36V of the secondary coil output of transformer BK enters integrated protector for electric motor BHQ; after integrated protector for electric motor BHQ carries out filtering, A/D conversion; with set overvoltage (under-voltage) setting value in the integrated protector for electric motor BHQ relatively; when surpassing overvoltage (under-voltage) setting value; carry out action, first relay J 1 of integrated protector for electric motor BHQ is opened, and auxiliary relay 1BJ discharges; vacuum contactor ZJ discharges, the starter tripping operation.Display screen D shows overvoltage (under-voltage) fault and magnitude of voltage simultaneously.
Above embodiment is described preferred implementation of the present invention; be not that scope of the present invention is limited; design under the prerequisite of spirit not breaking away from the present invention; various distortion and improvement that the common engineers and technicians in this area make technical scheme of the present invention all should fall in the definite protection range of claims of the present invention.
Claims (4)
1. flame-proof mine AC vacuum electromagnetic starter, comprise starter body (1) and remote control device (2), it is characterized in that, described starter body (1) comprises three phase mains terminal (X1, X2, X3), isolate reversing switch (HK), current transformer (LH), threephase load terminal (D1, D2, D3), first fuse (RD1), transformer (BK), second fuse (RD2), auxiliary relay (1BJ), vacuum contactor (ZJ), interlock diverter switch by first switch (1K1) and second switch (1K2) formation, first diode (E1), start button (QA) on the spot, stop button (TA) on the spot, integrated protector for electric motor (BHQ), the 1# binding post, the 2# binding post, the 8# binding post, the 9# binding post, the 13# binding post, display screen (D), wherein, three phase mains terminal (X1, X2, X3), isolate reversing switch (HK), main contacts (the ZJ1 of vacuum contactor (ZJ), ZJ2, ZJ3), current transformer (LH), threephase load terminal (D1, D2, D3) link to each other successively, the upper end of the original grade coil of transformer (BK) is by first fuse (RD1) and three phase mains terminal (X1, X2, wherein one linking to each other mutually X3), the lower end of the original grade coil of transformer (BK) and three phase mains terminal (X1, X2, X3) wherein one link to each other mutually in addition two in, the upper end of the secondary coil of transformer (BK) is successively by second fuse (RD2), first auxiliary contact (1BJ1) of auxiliary relay (1BJ) link to each other with an end of vacuum contactor (ZJ), the other end of vacuum contactor (ZJ) links to each other with the 9# binding post, the lower end of the secondary coil of transformer (BK) links to each other with the 36V power input of integrated protector for electric motor (BHQ), the Ib terminal of integrated protector for electric motor (BHQ), the Ia terminal, the Ic terminal, the L2 terminal of GND terminal correspondence and current transformer (LH), the L1 terminal, the L3 terminal, the 9# terminal links to each other, the 33# terminal of integrated protector for electric motor (BHQ) passes through the 3rd auxiliary contact (1BJ3) of auxiliary relay (1BJ) successively, the 6th auxiliary contact (ZJ6) of vacuum contactor (ZJ) and three phase mains terminal (X1, X2, wherein one linking to each other mutually X3), one end of second relay (J2) of integrated protector for electric motor (BHQ) respectively with an end of auxiliary relay (1BJ), one end of first switch (1K1) links to each other, the other end of second relay (J2) of integrated protector for electric motor (BHQ) links to each other with the other end of first switch (1K1), the output of the other end of auxiliary relay (1BJ) and first diode (E1), the 1# binding post, one end of the 4th auxiliary contact (ZJ4) of vacuum contactor (ZJ), the 1st detection signal input of integrated protector for electric motor (BHQ) links to each other, the input of first diode (E1) links to each other with a contact of start button (QA) on the spot, on the spot another contact of start button (QA) respectively with an end of the last terminal contacts of stop button (TA) on the spot, the other end of the 4th auxiliary contact (ZJ4) of vacuum contactor (ZJ) links to each other, the other end of the last terminal contacts of stop button (TA) links to each other with the 2# binding post on the spot, the 8# binding post links to each other with the 2nd detection signal input of integrated protector for electric motor (BHQ) by second auxiliary contact (1BJ2) of auxiliary relay (1BJ), the 13# binding post links to each other with the 2nd detection signal input of integrated protector for electric motor (BHQ) by second switch (1K2), one end of first relay (J1) of integrated protector for electric motor (BHQ) links to each other with an end of first switch (1K1), one end of the other end of first relay (J1) of integrated protector for electric motor (BHQ) and first auxiliary contact (1BJ1) of auxiliary relay (1BJ), one end of second fuse (RD2) links to each other, and integrated protector for electric motor (BHQ) links to each other with display screen (D) with power interface by serial ports;
Described remote control device (2) comprises second diode (E2), far-end start button (QA '), far-end stop button (TA '), wherein, the output of second diode (E2) links to each other with the 1# binding post, a contact of the input of second diode (E2) and far-end start button (QA ') links to each other, a contact of another contact of far-end start button (QA ') and far-end stop button (TA ') links to each other with the 2# binding post, and another contact of far-end stop button (TA ') links to each other with the 9# binding post.
2. flame-proof mine AC vacuum electromagnetic starter according to claim 1 is characterized in that, also is provided with resistance-capacitance protection device (RC) between current transformer (LH) and threephase load terminal (D1, D2, D3).
3. flame-proof mine AC vacuum electromagnetic starter according to claim 2; it is characterized in that; described starter body (1) also comprises the 5# binding post, and the 5# binding post links to each other with an end of first relay (J1) of an end of first auxiliary contact (1BJ1) of an end of an end of the following terminal contacts of stop button (TA) on the spot, second fuse (RD2), auxiliary relay (1BJ), integrated protector for electric motor (BHQ) respectively.
4. flame-proof mine AC vacuum electromagnetic starter according to claim 3 is characterized in that, transformer (BK) is the tapped transformer of its original grade coil band.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010533032 CN101976819B (en) | 2010-11-04 | 2010-11-04 | Mine explosion-proof alternative current (AC) vacuum electromagnetic starter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010533032 CN101976819B (en) | 2010-11-04 | 2010-11-04 | Mine explosion-proof alternative current (AC) vacuum electromagnetic starter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101976819A true CN101976819A (en) | 2011-02-16 |
| CN101976819B CN101976819B (en) | 2013-04-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010533032 Expired - Fee Related CN101976819B (en) | 2010-11-04 | 2010-11-04 | Mine explosion-proof alternative current (AC) vacuum electromagnetic starter |
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| Country | Link |
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| CN (1) | CN101976819B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103107748A (en) * | 2013-03-01 | 2013-05-15 | 王晓红 | Double-line fast switch magnetic starter |
| CN103166538A (en) * | 2013-04-03 | 2013-06-19 | 安徽理工大学 | Reversible magnetic starter of general power-driven multi-turn execution mechanism |
| CN109404042A (en) * | 2018-11-20 | 2019-03-01 | 山西潞安环保能源开发股份有限公司常村煤矿 | A kind of mining automatic drainage device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2154552Y (en) * | 1993-03-18 | 1994-01-26 | 王永祥 | Anti-exploisive reactive compensation vacuum electromagnet starter |
| CN2396544Y (en) * | 1999-08-17 | 2000-09-13 | 王维 | Flame-proof type special multifunctional vacuum electromagnetic starter for driving of mine |
| US20080225447A1 (en) * | 2006-11-07 | 2008-09-18 | Danfoss Compressors Gmbh | Motor start circuit |
| CN201846063U (en) * | 2010-11-04 | 2011-05-25 | 淮南市博泰矿山电器有限公司 | Mining explosion-proof alternating-current vacuum electromagnetic starter |
-
2010
- 2010-11-04 CN CN 201010533032 patent/CN101976819B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2154552Y (en) * | 1993-03-18 | 1994-01-26 | 王永祥 | Anti-exploisive reactive compensation vacuum electromagnet starter |
| CN2396544Y (en) * | 1999-08-17 | 2000-09-13 | 王维 | Flame-proof type special multifunctional vacuum electromagnetic starter for driving of mine |
| US20080225447A1 (en) * | 2006-11-07 | 2008-09-18 | Danfoss Compressors Gmbh | Motor start circuit |
| CN201846063U (en) * | 2010-11-04 | 2011-05-25 | 淮南市博泰矿山电器有限公司 | Mining explosion-proof alternating-current vacuum electromagnetic starter |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103107748A (en) * | 2013-03-01 | 2013-05-15 | 王晓红 | Double-line fast switch magnetic starter |
| CN103166538A (en) * | 2013-04-03 | 2013-06-19 | 安徽理工大学 | Reversible magnetic starter of general power-driven multi-turn execution mechanism |
| CN103166538B (en) * | 2013-04-03 | 2015-11-04 | 安徽理工大学 | Reversible magnetic starter of general power-driven multi-turn execution mechanism |
| CN109404042A (en) * | 2018-11-20 | 2019-03-01 | 山西潞安环保能源开发股份有限公司常村煤矿 | A kind of mining automatic drainage device |
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| Publication number | Publication date |
|---|---|
| CN101976819B (en) | 2013-04-03 |
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