CN109347195A - Coal mine low-voltage explosion-proof dual power supply control device - Google Patents
Coal mine low-voltage explosion-proof dual power supply control device Download PDFInfo
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- CN109347195A CN109347195A CN201811289262.9A CN201811289262A CN109347195A CN 109347195 A CN109347195 A CN 109347195A CN 201811289262 A CN201811289262 A CN 201811289262A CN 109347195 A CN109347195 A CN 109347195A
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- 239000003245 coal Substances 0.000 title claims abstract description 43
- 230000009977 dual effect Effects 0.000 title claims abstract description 12
- 239000002360 explosive Substances 0.000 claims abstract description 11
- 230000000903 blocking effect Effects 0.000 claims abstract 4
- 238000002955 isolation Methods 0.000 claims description 33
- 238000004891 communication Methods 0.000 claims description 9
- 238000001914 filtration Methods 0.000 claims description 2
- 238000012806 monitoring device Methods 0.000 claims 1
- 230000005611 electricity Effects 0.000 description 13
- 239000007858 starting material Substances 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 9
- 238000004880 explosion Methods 0.000 description 8
- 238000001514 detection method Methods 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 241000269793 Cryothenia peninsulae Species 0.000 description 1
- 206010044565 Tremor Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/066—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems characterised by the use of dynamo-electric machines
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Housings And Mounting Of Transformers (AREA)
Abstract
本发明煤矿低压隔爆型双电源控制装置，属于煤矿低压隔爆型双电源控制装置技术领域；所要解决的技术问题为：提供一种煤矿低压隔爆型双电源控制装置；解决该技术问题采用的技术方案为：矿用隔爆型干式变压器的输入端串接高爆开关后与煤矿高压电源相连；矿用隔爆型干式变压器的输出端与低压真空馈电总开关的进线端相连；低压变频器的进线端与低压真空馈电总开关的出线端相连，低压变频器的出线端接在电源切换控制器的叉式接线端子上；所述电源切换开关监控器ZB的故障闭锁信号端口分别与两个低压真空馈电控制器的输入故障闭锁端口相连；本发明可广泛应用于煤矿领域。
The invention discloses a low-voltage explosion-proof dual power supply control device for coal mines, belonging to the technical field of low-voltage explosion-proof dual-power supply control devices for coal mines; the technical problem to be solved is to provide a low-voltage explosion-proof dual-power supply control device for coal mines; The technical scheme is as follows: the input end of the mine explosion-proof dry-type transformer is connected in series with the high-explosive switch and then connected to the high-voltage power supply of the coal mine; the output end of the mine-use explosion-proof dry-type transformer is connected with the incoming line end of the low-voltage vacuum feeder main switch. The incoming end of the low-voltage inverter is connected to the outgoing end of the low-voltage vacuum feeder main switch, and the outgoing end of the low-voltage inverter is connected to the fork terminal of the power switch controller; the power switch monitors the fault of ZB. The blocking signal ports are respectively connected with the input fault blocking ports of the two low-voltage vacuum feed controllers; the invention can be widely used in the field of coal mines.
Description
Technical field
Coal mine low-voltage flameproof type dual power supply control device of the present invention belongs to coal mine low-voltage flameproof type dual power supply control device skill
Art field.
Background technique
With Coal Mine Group, the development of scale, the coal production of single pithead is increasing, guarantees coal excavation apparatus just
Often continual and steady operation especially wants some important equipments concerning the completion of Safety of Coal Mine Production, completion yield task
It asks higher, need to realize integrated, humanized, the work continuity of equipment, emergency processing are required higher；It is raw that coal mine is influenced at present
It produces the biggest factor and is the reliability that high voltage power supply uses, according to actual production use experience, coal mine high voltage power supply once goes out
Now power supply shakiness or the situation of power-off, will make the operating of coal excavation apparatus motor accident occur, and damage control equipment causes to stop when serious
Machine stops production, therefore provides stable power supply, avoids occurring the loss of power accident in production process being in the urgent need to address at present
Problem.
Summary of the invention
The present invention is in order to overcome the deficiencies in the prior art, technical problem to be solved are as follows: provides a kind of coal mine
Low-voltage flameproof type dual power supply control device；In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention are as follows: coal mine low pressure
Flame-proof type dual power supply control device, comprising: the first high-explosive switch, the second high-explosive switch；
First flameproof dry type transformer, the second flameproof dry type transformer；
First low-voltage vacuum feeding amount controller, the second low-voltage vacuum feeding amount controller；
First low voltage frequency converter, the second low voltage frequency converter；
The input terminal of first flameproof dry type transformer concatenate after the first high-explosive switch with the first coal mine high voltage power supply
It is connected；
The output end of first flameproof dry type transformer is connected with the end of incoming cables of the first low-voltage vacuum feed master switch；
The end of incoming cables of first low voltage frequency converter is connected with the leading-out terminal of the first low-voltage vacuum feed master switch, and described first is low
The outlet of voltage frequency changer terminates on U1, V1, W1 V shape connecting terminal of power source switching controller；
Second coal mine high voltage power supply accesses U2, V2, W2 fork of power source switching controller with the first coal mine high voltage power supply similar set up
Formula connecting terminal；
It include: the first low pressure isolation reversing switch, the second low pressure isolation reversing switch, first inside the power source switching controller
Power transformer T1, second source transformer T2, power change-over switch monitor ZB；
The input terminal of the first low pressure isolation reversing switch is connect respectively on U1, V1, W1 V shape connecting terminal,
The output end of the first low pressure isolation reversing switch is shorted respectively to be followed by U3, V3, W3 V shape connecting terminal；
The input of the first power transformer T1 terminates at the input terminal of the first low pressure isolation reversing switch,
The output end of the first power transformer T1 is connected with the power input of power change-over switch monitor ZB；
The input terminal of the second low pressure isolation reversing switch is connect respectively on U2, V2, W2 V shape connecting terminal,
The output end of the second low pressure isolation reversing switch is shorted respectively to be followed by U3, V3, W3 V shape connecting terminal；
The input of the second source transformer T2 terminates at the input terminal of the second low pressure isolation reversing switch,
The output end of the second source transformer T2 is connected with the power input of power change-over switch monitor ZB；
The failure locking signal port of the power change-over switch monitor ZB respectively with the first low-voltage vacuum feeding amount controller,
The input fault lockout port of two low-voltage vacuum feeding amount controllers is connected；
The RS485 PORT COM of the power change-over switch monitor ZB respectively with the first low-voltage vacuum feeding amount controller, second
The PORT COM of low-voltage vacuum feeding amount controller is connected；
Reversing switch, is isolated in the on/off switch signal input port of the power change-over switch monitor ZB with the first low pressure respectively
The mechanical opening and closing points that reversing switch is isolated in two low pressure are connected；
The power change-over switch monitor ZB is internally provided with central controller, the central controller by conducting wire respectively with
Power supply rectification filter module, communication module, on/off switch control module, display are connected.
The first coal mine high voltage power supply and the second coal mine high voltage power supply are specially 6kV high voltage power supply or 10kV high-voltage electricity
Source.
The power source switching controller is mounted in anti-explosion box body.
The beneficial effect that the present invention has compared with prior art is: the present invention provides a set of power control system, energy
Enough manual switching power supplys between two motor control units export, and can be quasi- in time by power change-over switch monitor
True detection, which has a power failure, shuts down reason, uploads the tripping of higher level's feeding switch facility and failure by failure locking signal and communication signal
Block signal timely and effective can be repaired or replaced it when effectively solving downhole electrical motor control equipment failure, be
The safety in production of coal mine provides safeguard, and control device circuit structure provided by the invention is succinct, easy to install and use, practicability
By force.
Detailed description of the invention
The present invention will be further described in detail with reference to the accompanying drawing:
Fig. 1 is electrical block diagram of the invention；
In figure: 1 is the first coal mine high voltage power supply, 2 be the second coal mine high voltage power supply, 3 be the first high-explosive switch, 4 be second high quick-fried
Switch, 5 be the first flameproof dry type transformer, 6 be the second flameproof dry type transformer, 7 be the first low-voltage vacuum
Feeding amount controller, 8 be the second low-voltage vacuum feeding amount controller, 9 be the first low voltage frequency converter, 10 be the second low voltage frequency converter, 11
For power source switching controller, 12 be the first low pressure be isolated reversing switch, 13 be the second low pressure be isolated reversing switch.
Specific embodiment
As shown in Figure 1, coal mine low-voltage flameproof type dual power supply control device of the present invention, comprising: the first high-explosive switch 3, second
High-explosive switch 4；
First flameproof dry type transformer 5, the second flameproof dry type transformer 6；
First low-voltage vacuum feeding amount controller 7, the second low-voltage vacuum feeding amount controller 8；
First low voltage frequency converter 9, the second low voltage frequency converter 10；
The input terminal of first flameproof dry type transformer 5 concatenate after the first high-explosive switch 3 with the first coal mine high-voltage electricity
Source 1 is connected；
The end of incoming cables phase of the output end of first flameproof dry type transformer 5 and the first low-voltage vacuum feed master switch 7
Even；
The end of incoming cables of first low voltage frequency converter 9 is connected with the leading-out terminal of the first low-voltage vacuum feed master switch 7, and described first
The outlet of low voltage frequency converter 9 terminates on U1, V1, W1 V shape connecting terminal of power source switching controller 11；
Same first coal mine high voltage power supply, 1 similar set up of second coal mine high voltage power supply 2, U2, V2 of access power source switching controller 11,
W2 V shape connecting terminal；
It include: the first low pressure isolation reversing switch 12, the second low pressure isolation reversing switch inside the power source switching controller 11
13, the first power transformer T1, second source transformer T2, power change-over switch monitor ZB；
The input terminal of the first low pressure isolation reversing switch 12 is connect respectively on U1, V1, W1 V shape connecting terminal,
The output end of the first low pressure isolation reversing switch 12 is shorted respectively to be followed by U3, V3, W3 V shape connecting terminal；
The input of the first power transformer T1 terminates at the input terminal of the first low pressure isolation reversing switch 12,
The output end of the first power transformer T1 is connected with the power input of power change-over switch monitor ZB；
The input terminal of the second low pressure isolation reversing switch 13 is connect respectively on U2, V2, W2 V shape connecting terminal,
The output end of the second low pressure isolation reversing switch 13 is shorted respectively to be followed by U3, V3, W3 V shape connecting terminal；
The input of the second source transformer T2 terminates at the input terminal of the second low pressure isolation reversing switch 13,
The output end of the second source transformer T2 is connected with the power input of power change-over switch monitor ZB；
The failure locking signal port of the power change-over switch monitor ZB respectively with the first low-voltage vacuum feeding amount controller 7,
The input fault lockout port of second low-voltage vacuum feeding amount controller 8 is connected；
The RS485 PORT COM of the power change-over switch monitor ZB respectively with the first low-voltage vacuum feeding amount controller 7, second
The PORT COM of low-voltage vacuum feeding amount controller 8 is connected；
The on/off switch signal input port of the power change-over switch monitor ZB be isolated respectively with the first low pressure reversing switch 12,
The mechanical opening and closing points that reversing switch 13 is isolated in second low pressure are connected；
The power change-over switch monitor ZB is internally provided with central controller, the central controller by conducting wire respectively with
Power supply rectification filter module, communication module, on/off switch control module, display are connected.
The first coal mine high voltage power supply 1 and the second coal mine high voltage power supply 2 are specially 6kV high voltage power supply or 10kV high-voltage electricity
Source.
The power source switching controller 11 is mounted in anti-explosion box body.
The present invention includes two isolation reversing switches, two power transformers, input and output connecting terminal and corresponding electricity
Source switches monitoring switch device；Connecting terminal U1, V1, W1, U2, V2, W2 of the power source switching controller 11 respectively with two
The end of incoming cables that reversing switch is isolated is connected, and connecting terminal U3, V3, W3 of the power source switching controller 11 are isolated with two respectively
The leading-out terminal of reversing switch forms load output altogether after being connected.
The end of incoming cables of described two low-voltage vacuums feed master switch respectively with respective flameproof dry type transformer
Output end is connected, the output end of two low-voltage vacuums feed master switch respectively with respective mine-used frequency-converter, soft starter or magnetic
The end of incoming cables of power starter is connected；The leading-out terminal of above-mentioned mine-used frequency-converter, soft starter or magnetic starter is cut with power supply respectively
U1, V1, W1 of the input wires terminal of changer controller 11 are connected with U2, V2, W2.
The input terminal of power transformer T1, T2 of described two low-voltage flameproof type double power supply converting switch are connected to electricity
The end of incoming cables of source switch controller 11, the output end of power transformer T1, T2 electricity with power change-over switch monitor ZB respectively
Source port is connected, and the communication interface of the power change-over switch monitor ZB feeds the logical of master switch with two low-voltage vacuums respectively
It interrogates unit interface to be connected, the failure locking signal port of the power change-over switch monitor ZB is presented with two low-voltage vacuums respectively
The lockout port of electric master switch is connected, and the input signal port of the power change-over switch monitor ZB is isolated with two respectively to be changed
It is connected to the signal input part interface of switch.
Described connecting terminal U1, V1, W1, U2, V2, W2, U3, V3, W3 are separately mounted in three independent anti-explosion box bodies,
The power supply switching of described two isolation reversing switches, power change-over switch monitor ZB, two power transformer T1, T2 compositions is controlled
Device 11 processed is installed concentratedly in an independent anti-explosion box body.
The anti-explosion box body meets the requirement of coal mine flame-proof type equipment, is mounted on after aforementioned four anti-explosion box body Combination Welding
One common to drag the explosion-resistant enclosure that power source switching controller is formed on sled, and above-mentioned explosion-resistant enclosure meets coal mine flame-proof type equipment
It is required that.
If above-mentioned two flameproof dry type transformer out-put supply, two power supply units are all charged, two
Low-voltage vacuum feeds master switch and all closes a floodgate after operation, the power supply of the mine-used frequency-converter, soft starter or magnetic starter into
Line end has electricity；If power source switching controller 11, without electricity, staff will manually control the first low pressure isolation reversing switch 12
Closure tends to remain on, and above-mentioned mine-used frequency-converter, soft starter or magnetic starter close a floodgate after operation, the power supply switching control
Device 11 processed, which inputs end of incoming cables U1, V1, W1, electricity, and output terminal U3, V3, W3 have electricity output, guarantees that motor M is operated normally；
The power change-over switch monitor ZB of the power source switching controller 11 has electric work, detection input signal, work at this time
Status signal, while exporting block signal, communication information and feeding master switch to two low-voltage vacuums of higher level, if mine variable-frequency
Device, soft starter or magnetic starter have operation troubles, then higher level's low-voltage vacuum feed master switch will be according to signal message and dish
Failure locking after determining tripping is set up, motor M power loss is shut down；
First low pressure isolation reversing switch 12 is disconnected and keeps off state, together by 11 power loss of power source switching controller at this time
When the second low pressure isolation closure of reversing switch 13 is tended to remain on, above-mentioned second low voltage frequency converter 10 closes a floodgate after operation, institute
Input end of incoming cables U2, V2, the W2 for stating power source switching controller 11 have electricity, and output terminal U3, V3, W3 have electricity output, motor M fortune
Row；The power change-over switch monitor ZB of the power source switching controller 11 has electric work, detection input signal, working condition letter
Number, while exporting block signal, communication information and feeding master switch to two low-voltage vacuums of higher level.
By aforesaid operations, quickly the fault loop of motor control can be cut off, while by spare motor control loop
Motor load circuit is accessed, quick start motor M ensures the continuity of motor work, so as to complete motor control power supply
Double loop switching output.
Above-mentioned two low-voltage flameproof reversing switch is provided with reliable mechanical interlock on flameproof enclosure, guarantees two
Isolation reversing switch can only have one in closed state, cannot be closed at；Even if above-mentioned two mine-used frequency-converter all closes
After lock operation, the normal operation of motor M is nor affected on, while the power change-over switch monitor ZB of power source switching controller 11 has
The dual power supply system of two power filtering units, when power source switching controller 11 inside two power transformers T1, T2 are same
When out-put supply when, above-mentioned power change-over switch monitor ZB can also be worked normally and be shown power source switching controller two isolation
The working condition of reversing switch.
The present invention can be fast and reliable switch motor current supply circuit or motor control loop, guarantee the double electricity of low-voltage flameproof type
Source switching switch output terminal U3, V3, W3 power supply power supply continuity, avoid the main occasion in underground key equipment have a power failure or
When controlling failure, worker needs to spend 1-2 hours more exchange devices or switches load output cable, and the long-time of motor M is caused to be stopped
Machine, influences the implementation of production plan, also easily causes electrical or equipment breakdown, overcomes because power supply trouble or control motor are set
It shuts down and stops production caused by standby failure, ensured the safety in production of coal mine；Whole device circuit structure is succinct, easy to install and use,
Cost is relatively low, practical.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (3)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811289262.9A CN109347195A (en) | 2018-10-31 | 2018-10-31 | Coal mine low-voltage explosion-proof dual power supply control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811289262.9A CN109347195A (en) | 2018-10-31 | 2018-10-31 | Coal mine low-voltage explosion-proof dual power supply control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109347195A true CN109347195A (en) | 2019-02-15 |
Family
ID=65312935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811289262.9A Pending CN109347195A (en) | 2018-10-31 | 2018-10-31 | Coal mine low-voltage explosion-proof dual power supply control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109347195A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103532218A (en) * | 2013-10-25 | 2014-01-22 | 国家电网公司 | Rapid double power supply switch device and working method thereof |
| CN104967206A (en) * | 2015-05-29 | 2015-10-07 | 山西际安电气有限公司 | Coal mine low voltage double loop dual supply permanent magnet feed interconnection switch operating circuit |
| CN208862627U (en) * | 2018-10-31 | 2019-05-14 | 山西际安电气有限公司 | A kind of coal mine low-voltage flameproof type dual power supply control device |
-
2018
- 2018-10-31 CN CN201811289262.9A patent/CN109347195A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103532218A (en) * | 2013-10-25 | 2014-01-22 | 国家电网公司 | Rapid double power supply switch device and working method thereof |
| CN104967206A (en) * | 2015-05-29 | 2015-10-07 | 山西际安电气有限公司 | Coal mine low voltage double loop dual supply permanent magnet feed interconnection switch operating circuit |
| CN208862627U (en) * | 2018-10-31 | 2019-05-14 | 山西际安电气有限公司 | A kind of coal mine low-voltage flameproof type dual power supply control device |
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Application publication date: 20190215 |