CN2754226Y - Explosion-proof charger for coal mine - Google Patents

Explosion-proof charger for coal mine Download PDF

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Publication number
CN2754226Y
CN2754226Y CN200420097753.0U CN200420097753U CN2754226Y CN 2754226 Y CN2754226 Y CN 2754226Y CN 200420097753 U CN200420097753 U CN 200420097753U CN 2754226 Y CN2754226 Y CN 2754226Y
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China
Prior art keywords
pin
module
potentiometer
join
secondary winding
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Expired - Fee Related
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CN200420097753.0U
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Chinese (zh)
Inventor
陈军
李欢
李东
董佩文
刘兆祥
李少杰
李凤祥
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董佩文
刘兆祥
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Priority to CN200420097753.0U priority Critical patent/CN2754226Y/en
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    • Y02E60/12

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  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The utility model provides an explosion preventing charger for coal mines, which comprises a housing, wherein a door is installed on the housing, a charging device is installed in the housing and the upper part of the housing is respectively provided with observation windows and a switch potentiometer RPK. A digital voltage meter V and a digital current meter A which are installed in the housing respectively correspond to the observation windows, and the digital voltage meter V, the digital current meter A and the switch potentiometer RPK are respectively connected with the charging device through conducting wires. The utility model can solve the problems existing in the prior art that the over-voltage protection is not reliable; too many switches are arranged, so that too many explosion points exist; the phase sequence needs to be detected frequently; a triggering phase shifting circuit is easy to fail; the weights and the sizes of a current mutual inductor and a compare current transformer are enlarged, and the metering error is large; pointer type voltage and current meters are not easy to observed under the condition of insufficient underground light rays.

Description

The explosion-proof charger in colliery
Technical field
The utility model relates to colliery downhole anti-explosion charging device technical field.
Background technology
At present, be used for the explosion-proof charging device under the coal mine, mostly adopt conventional art, that is: one, adopt the capacitance-resistance absorption circuit to be used for overvoltage protection; Two, adopt a plurality of switches respectively operation start, stop, overcurrent resets and voltage, Current Regulation; Three, adopt synchrotrans and the phase sequence detection apparatus is set; Four, adopt traditional triggering phase-shift circuit; Five, adopt current transformer and comparison current transformer; Six, adopt pointer voltage, ammeter, there is following shortcoming in it when the underground work of colliery: one, overvoltage protection is unreliable; Two, it is too much switch to be set, and it is too much that quick-fried point is lost in corresponding existence, very dangerous; Three, often will detect phase sequence, the testing amount is big; Four, trigger phase-shift circuit and be prone to fault, maintenance workload is bigger; Five, current transformer and comparison current transformer are set, not only weight, volume increase, and error in dipping is bigger; Six, pointer voltage, ammeter are difficult for observing under the not enough situation of down-hole light.Thus, traditional explosion-proof charging device is can't satisfy under the particular surroundings under the coal mine to work.
Summary of the invention
The utility model provides a kind of colliery explosion-proof charger, it can solve the overvoltage protection that prior art exists unreliable, be provided with switch too much exist lose that quick-fried point too much, often will detect, trigger that phase-shift circuit is prone to fault, current transformer and comparison current transformer weight, volume increases and error in dipping is big to phase sequence, the pointer voltage ammeter is difficult for the problems of observing under the not enough situation of down-hole light.
The purpose of this utility model is achieved through the following technical solutions: the explosion-proof charger in colliery, it has housing, door is arranged on the housing, charging device is installed in the housing, the housing internal upper part is installed observation window and potentiometer with switch RPK respectively, the digital voltage Table V, the digital current Table A that are installed in the housing are corresponding with observation window respectively, and digital voltage Table V, digital current Table A and potentiometer with switch RPK are connected with charging device by lead respectively.
For further realizing the purpose of this utility model, also can finish by the following technical programs: the circuit of charging device comprises rectifier transformer T, flame-proof switch control transformer KB1 and control transformer KB2, KB3, rectifier transformer T and controllable silicon KV1-3 and rectifying tube VD1-3 join, controllable silicon KV1-3 series connection advection reactor L and charging end 103 join, rectifying tube VD1-3 series connection shunt FA and charging end 104 join, controllable silicon KV1-3, rectifying tube VD1-3 joins with module U respectively, flame-proof switch control transformer KB1 meets control transformer KB2, control transformer KB3, shunt FA, potentiometer with switch RPK joins with module U respectively.
Rectifier transformer T secondary winding end a1, b1, c1 distinguish piezo-resistance RV1-3 in parallel between phase and phase, and, secondary winding end a1, b1, c1 join with interconnective rectifying tube VD1-3 negative pole and controllable silicon KV1-3 positive pole respectively, series connection advection reactor L connects charging end 103 behind the controllable silicon KV1-3 negative pole short circuit, series connection shunt FA connects charging end 104 behind the anodal short circuit of rectifying tube VD1-3, and piezo-resistance RV4-9 is in parallel with rectifying tube VD1-3 and controllable silicon KV1-3 respectively; VD1, FA node series connection resistance R 101, potentiometer R102 connect charging end 103, and simultaneously, VD1, FA node series connection resistance R 103, relay K 1 coil, diode ZD connect potentiometer R102 adjustable side, relay K 1 coil two ends shunt regulator tube DW; The digital voltage Table V is connected in parallel between VD1, FA node and the charging end 103, and digital voltage Table V coil-end and digital current Table A coil-end are in parallel, and digital current Table A and shunt FA join, shunt FA into and out of the end respectively with module U pin G1 -, pin MV +Join; Digital current Table A coil-end and control transformer KB2 secondary winding are in parallel;
Module U pin G1, pin G3, pin G5 connect the controllable silicon KV1-3 control utmost point respectively; Join with controllable silicon KV1-3 negative pole behind module U pin K1, pin K3, pin 5 short circuits, module U pin A, pin B, pin C join with rectifier transformer T secondary winding end a1, b1, c1 respectively; Module U pin R1, pin R2 and potentiometer with switch RPK are in parallel, and potentiometer with switch RPK adjustable side and module U pin H join, module U pin H, pin X short circuit; Module U pin R3, pin 4 potentiometer RK in parallel, module U pin H1 connects potentiometer RK adjustable side;
Winding of module U pin V1, pin V2 and control transformer KB3 is in parallel, one end of control transformer KB3 secondary winding connects the end of signal lamp XD1-3 respectively, and the other end of signal lamp XD1-3 series relay K2-3 contact respectively connects the control transformer KB3 secondary winding other end;
A windings in series fuse of flame-proof switch control transformer KB1 RD1 joins with AC power, secondary winding T1-2 end is connected, and normally closed button QA and winding of control transformer KB2 are in parallel, and the normally closed button TA of secondary winding T1 end series connection, contactor C coil, relay K 2 contacts connect secondary winding T2 end; QA, KB2 node series connection potentiometer with switch RPK contact are succeeded electrical equipment K2-3 coil one end respectively, and relay K 2 coil other end series relay K3 contacts connect secondary winding T2 end; After relay K 1 contact, relay K 3 contacts, contact J2-J3 were parallel with one another, the one end and the relay K 3 coil other ends joined, its other end and secondary winding T2 end join; Module U pin J2 ', pin J3 ' and contact J2-3 are in parallel.
Module U model is MYS-0~0.75MVG 1W 1
The beneficial effects of the utility model: one, because of adopting piezo-resistance RV1-9, it is quite reliable to overvoltage protection; Two, because of only adopt a potentiometer with switch RPK Comprehensive Control to start, stop, overcurrent resets and voltage, Current Regulation, it has significantly reduced and has lost quick-fried point, so significantly reduced accident potential; Three, trigger phase sequence because of adopting to correspondence, thus synchrotrans do not adopted, and save testing to phase sequence; Four, adopt module U control forms because of triggering phase shift work, so triggering, control system need not be safeguarded; Five, because of adopting shunt FA place of current instrument transformer, comparison current transformer, its not only volume, weight alleviate greatly, and error in dipping reduces greatly; Six,, its measuring accuracy height, be convenient under the coal mine of insufficient light, observe because of adopting digital voltage, ammeter.The utility model is widely used in the colliery can produce good social, economic benefit.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is circuit theory diagrams of the present utility model.
Embodiment
The explosion-proof charger in colliery of the present utility model, it has housing 1, door 2 is arranged on the housing 1, charging device 5 is installed in the housing 1, housing 1 internal upper part is observation window 3,4 and potentiometer with switch RPK respectively, the digital voltage Table V, the digital current Table A that are installed in the housing 1 are corresponding with observation window 3,4 respectively, and digital voltage Table V, digital current Table A and potentiometer with switch RPK are connected with charging device 5 by lead respectively.The circuit of charging device 5 comprises rectifier transformer T, flame-proof switch control transformer KB1 and control transformer KB2, KB3, rectifier transformer T and controllable silicon KV1-3 and rectifying tube VD1-3 join, controllable silicon KV1-3 series connection advection reactor L and charging end 103 join, rectifying tube VD1-3 series connection shunt FA and charging end 104 join, controllable silicon KV1-3, rectifying tube VD1-3 join with module U respectively, flame-proof switch control transformer KB1 meets control transformer KB2, and control transformer KB3, shunt FA, potentiometer with switch RPK join with module U respectively.
Rectifier transformer T secondary winding end a1, b1, c1 distinguish piezo-resistance RV1-3 in parallel between phase and phase, and, secondary winding end a1, b1, c1 join with interconnective rectifying tube VD1-3 negative pole and controllable silicon KV1-3 positive pole respectively, series connection advection reactor L connects charging end 103 behind the controllable silicon KV1-3 negative pole short circuit, series connection shunt FA connects charging end 104 behind the anodal short circuit of rectifying tube VD1-3, and piezo-resistance RV4-9 is in parallel with rectifying tube VD1-3 and controllable silicon KV1-3 respectively; VD1, FA node series connection resistance R 101, potentiometer R102 connect charging end 103, and simultaneously, VD1, FA node series connection resistance R 103, relay K 1 coil, diode ZD connect potentiometer R102 adjustable side, relay K 1 coil two ends shunt regulator tube DW; The digital voltage Table V is connected in parallel between VD1, FA node and the charging end 103, and digital voltage Table V coil-end and digital current Table A coil-end are in parallel, and digital current Table A and shunt FA join, shunt FA into and out of the end respectively with module U pin G1 -, pin MV +Join; Digital current Table A coil-end and control transformer KB2 secondary winding are in parallel;
Module U pin G1, pin G3, pin G5 connect the controllable silicon KV1-3 control utmost point respectively; Join with controllable silicon KV1-3 negative pole behind module U pin K1, pin K3, pin 5 short circuits, module U pin A, pin B, pin C join with rectifier transformer T secondary winding end a1, b1, c1 respectively; Module U pin R1, pin P2 and potentiometer with switch RPK are in parallel, and potentiometer with switch RPK adjustable side and module U pin H join, module U pin H, pin X short circuit; Module U pin R3, pin 4 potentiometer RK in parallel, module U pin H1 connects potentiometer RK adjustable side;
Winding of module U pin V1, pin V2 and control transformer KB3 is in parallel, one end of control transformer KB3 secondary winding connects the end of signal lamp XD1-3 respectively, and the other end of signal lamp XD1-3 series relay K2-3 contact respectively connects the control transformer KB3 secondary winding other end;
A windings in series fuse of flame-proof switch control transformer KB1 RD1 joins with AC power, secondary winding T1-2 end is connected, and normally closed button QA and winding of control transformer KB2 are in parallel, and the normally closed button TA of secondary winding T1 end series connection, contactor C coil, relay K 2 contacts connect secondary winding T2 end; QA, KB2 node series connection potentiometer with switch RPK contact are succeeded electrical equipment K2-3 coil one end respectively, and relay K 2 coil other end series relay K3 contacts connect secondary winding T2 end; After relay K 1 contact, relay K 3 contacts, contact J2-J3 were parallel with one another, the one end and the relay K 3 coil other ends joined, its other end and secondary winding T2 end join; Module U pin J2 ', pin J3 ' and contact J2-3 are in parallel.
Module U model is MYS-0~0.75MVG 1W 1
During making, by above-mentioned requirements assemble various parts, components and parts get final product.During use, AC power and switch GK join, console switch potentiometer RPK, and its closing of contact, relay K 2 its closings of contact of coil conducting, contactor C its closing of contact of working, the utility model is then worked to the rechargeable battery E charging of underground equipment.Fuse KRD1-2, RD2-4 in the utility model circuit is known technology.Control transformer KB2-3 is same iron core, also iron core can be set separately respectively.
Technical scheme described in the utility model is not limited only to the execution mode of present embodiment record, can also have other execution mode to finish the technical solution of the utility model.
The technology that the utility model is not described in detail partly is known technology.

Claims (4)

1, the explosion-proof charger in colliery, it has housing (1), door (2) is arranged on the housing (1), it is characterized in that: charging device (5) is installed in the housing (1), housing (1) internal upper part is installed observation window (3), (4) and potentiometer with switch RPK respectively, it is corresponding with observation window (3), (4) respectively to be installed in digital voltage Table V in the housing (1), digital current Table A, and digital voltage Table V, digital current Table A and potentiometer with switch RPK are connected with charging device (5) by lead respectively.
2, the explosion-proof charger in colliery according to claim 1, it is characterized in that: the circuit of charging device (5) comprises rectifier transformer T, flame-proof switch control transformer KB1 and control transformer KB2, KB3, rectifier transformer T and controllable silicon KV1-3 and rectifying tube VD1-3 join, controllable silicon KV1-3 series connection advection reactor L and charging end 103 join, rectifying tube VD1-3 series connection shunt FA and charging end 104 join, controllable silicon KV1-3, rectifying tube VD1-3 joins with module U respectively, flame-proof switch control transformer KB1 meets control transformer KB2, control transformer KB3, shunt FA, potentiometer with switch RPK joins with module U respectively.
3, the explosion-proof charger in colliery according to claim 2, it is characterized in that: rectifier transformer T secondary winding end a1, b1, c1 distinguish piezo-resistance RV1-3 in parallel between phase and phase, and, secondary winding end a1, b1, c1 join with interconnective rectifying tube VD1-3 negative pole and controllable silicon KV1-3 positive pole respectively, series connection advection reactor L connects charging end 103 behind the controllable silicon KV1-3 negative pole short circuit, series connection shunt FA connects charging end 104 behind the anodal short circuit of rectifying tube VD1-3, and piezo-resistance RV4-9 is in parallel with rectifying tube VD1-3 and controllable silicon KV1-3 respectively; VD1, FA node series connection resistance R 101, potentiometer R102 connect charging end 103, and simultaneously, VD1, FA node series connection resistance R 103, relay K 1 coil, diode ZD connect potentiometer R102 adjustable side, relay K 1 coil two ends shunt regulator tube DW; The digital voltage Table V is connected in parallel between VD1, FA node and the charging end 103, and digital voltage Table V coil-end and digital current Table A coil-end are in parallel, and digital current Table A and shunt FA join, shunt FA into and out of the end respectively with module U pin G1 -, pin MV +Join; Digital current Table A coil-end and control transformer KB2 secondary winding are in parallel;
Module U pin G1, pin G3, pin G5 connect the controllable silicon KV1-3 control utmost point respectively; Join with controllable silicon KV1-3 negative pole behind module U pin K1, pin K3, pin 5 short circuits, module U pin A, pin B, pin C join with rectifier transformer T secondary winding end a1, b1, c1 respectively; Module U pin R1, pin R2 and potentiometer with switch RPK are in parallel, and potentiometer with switch RPK adjustable side and module U pin H join, module U pin H, pin X short circuit; Module U pin R3, pin 4 potentiometer RK in parallel, module U pin H1 connects potentiometer RK adjustable side;
Winding of module U pin V1, pin V2 and control transformer KB3 is in parallel, one end of control transformer KB3 secondary winding connects the end of signal lamp XD1-3 respectively, and the other end of signal lamp XD1-3 series relay K2-3 contact respectively connects the control transformer KB3 secondary winding other end;
A windings in series fuse of flame-proof switch control transformer KB1 RD1 joins with AC power, secondary winding T1-2 end is connected, and normally closed button QA and winding of control transformer KB2 are in parallel, and the normally closed button TA of secondary winding T1 end series connection, contactor C coil, relay K 2 contacts connect secondary winding T2 end; QA, KB2 node series connection potentiometer with switch RPK contact are succeeded electrical equipment K2-3 coil one end respectively, and relay K 2 coil other end series relay K3 contacts connect secondary winding T2 end; After relay K 1 contact, relay K 3 contacts, contact J2-J3 were parallel with one another, the one end and the relay K 3 coil other ends joined, its other end and secondary winding T2 end join; Module U pin J2 ', pin J3 ' and contact J2-3 are in parallel.
4, according to the explosion-proof charger of claim 2 or 3 described collieries, it is characterized in that: module U model is MYS-0~0.75MVG 1W 1
CN200420097753.0U 2004-11-16 2004-11-16 Explosion-proof charger for coal mine Expired - Fee Related CN2754226Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN200420097753.0U CN2754226Y (en) 2004-11-16 2004-11-16 Explosion-proof charger for coal mine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN200420097753.0U CN2754226Y (en) 2004-11-16 2004-11-16 Explosion-proof charger for coal mine

Publications (1)

Publication Number Publication Date
CN2754226Y true CN2754226Y (en) 2006-01-25

Family

ID=35926335

Family Applications (1)

Application Number Title Priority Date Filing Date
CN200420097753.0U Expired - Fee Related CN2754226Y (en) 2004-11-16 2004-11-16 Explosion-proof charger for coal mine

Country Status (1)

Country Link
CN (1) CN2754226Y (en)

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C19 Lapse of patent right due to non-payment of the annual fee
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