CN208142820U - The novel current protection device of Coal Mine Power Distribution System - Google Patents
The novel current protection device of Coal Mine Power Distribution System Download PDFInfo
- Publication number
- CN208142820U CN208142820U CN201820815779.6U CN201820815779U CN208142820U CN 208142820 U CN208142820 U CN 208142820U CN 201820815779 U CN201820815779 U CN 201820815779U CN 208142820 U CN208142820 U CN 208142820U
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- China
- Prior art keywords
- contact
- armature
- tension spring
- electromagnet
- coal mine
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Abstract
It is equipped with the first contact, the second contact, third contact, chain the utility model discloses a kind of novel current protection device of Coal Mine Power Distribution System, including shell, handling member, return unit and break part, in shell and has contact with.Lever, magnetictrip, the first armature, third tension spring, the second armature, under-voltage release, bimetal leaf and heater element are equipped in break part.It is equipped with induction module, signaling module and the second electromagnet in return unit, is equipped with processing module, the first electromagnet, push jack and the second tension spring in handling member.Break part is capable of handling normally open route, and return unit is able to carry out long-range control tripping and resets, judges in handling member electric current, if be normal open-circuit line, can connect external backup power source.The device can be improved the stability and safety of power supply system in mine, while can also protect the inherently safe of staff.
Description
Technical field
The utility model relates to coal mine power supply protection technical field more particularly to a kind of New type of current of Coal Mine Power Distribution System
Protective device.
Background technique
Coal Mine Power Distribution System is the important auxiliary system of coal production, and reliability of operation and safety directly affect coal
The normal production and operation of mine.With the continuous development of coal production technology, mine coal production is also increased considerably, high-power
Coal mining unit and transporting equipment constantly apply, the load of underground power supply system is considerably increased, also to entire power supply system
Power supply quality more stringent requirements are proposed.It is moist, dark under mine simultaneously, electrical equipment or circuit occur short circuit, overload and
The problems such as under-voltage, equipment heating, can all influence line short.
Electric leakage, overcurrent, earth leakage and decompression are easy to appear in Electrical Equipments of Coal Mine.Electric leakage is due to powering in coal mine
Insulating layer in system is generally located on the phenomenon that than being easy to happen aging in relatively rugged environment, so that short circuit goes out
Now leak electricity, meanwhile, can also there be a large amount of imflammable gas in coal mine, if there is pyrophoric behavio(u)r with electric leakage, be easy to
Cause explosion.Overcurrent is that power grid will appear short circuit current phenomenon, and then cause fire.Earth leakage is normal working environment
Under, the insulating layer of inside electric appliance can effectively block internal electric current, avoid metal from charging, but if insulating layer damages
It is bad, then it can be easy to charge electrical equipment, once staff, which touches, will easily occur casualties event.Decompression is
Under normal operating conditions, loss of voltage electrical equipment will stop working equipment therewith, but when the power source is turned on, voltage it is extensive
Resuming a session makes equipment automatic running, will cause the damage of equipment at this time, or even causes the generation of safety accident.Due at mine bottom
The circuit of portion's abnormal disconnection, staff's state for carrying out manually changing switch of going down is breakneck, while being brought all
More is constant, so needing a kind of current protective device for being able to solve the above problem.
Utility model content
In order to solve the problems of the above-mentioned prior art, the utility model proposes a kind of the novel of Coal Mine Power Distribution System
Current protective device.
What the technical solution of the utility model was realized in：
A kind of novel current protection device of Coal Mine Power Distribution System, including shell, handling member, return unit and break part,
It is characterized in that, the shell is equipped with entrance hole, outlet hole and lateral wire hole, and the entrance hole is in the lower section of the outlet hole, institute
Lateral wire hole is stated in the side of the shell, the handling member, return unit and break part are all mounted on the interior of shell, described outer
It is equipped with the first contact, the second contact, third contact, chain in shell and has contact with, contact chip is installed on first contact, it is described
First contact, the second contact and third contact are all mounted on the chain, and the chain rear end is equipped with the first tension spring, and described the
One tension spring is connected on the contact chip, and the chain front end, which is equipped with, has contact with, and the chain and has contact with flexible connection, described to have contact with
Rear end is equipped with axis, it is described have contact be rotatably mounted on the axis, lever is equipped in the break part, the lever is fixed on
Described to have contact with centre, the lever is equipped with the first convex block and the second convex block, first convex block above second convex block,
Magnetictrip, the first armature, third tension spring, the second armature, under-voltage release, bimetal leaf are additionally provided in the break part
And heater element, the magnetictrip and the first armature are mounted on the lever left end, and is cased on the magnetictrip
One coil, first armature are hingedly fixed with the magnetictrip, first armature in the lower end of first convex block,
The third tension spring, the second armature and under-voltage release are mounted on the lever right end, and third tension spring one end is connected to
On second armature, the other end is fixed inside the housing, second armature it is hinged be fixed on the under-voltage release
On, the second coil is cased on the under-voltage release, second armature is in the lower end of second convex block, the bimetallic
Piece and heater element are mounted on the top that bimetal leaf described in the lever lower end is mounted on the heater element.
In the novel current protection device of this Coal Mine Power Distribution System of the utility model, in the axis be equipped with torsional spring and
Block, the one end of torsional spring were put in described have contact with, and the other end is fixed on block.
In the novel current protection device of this Coal Mine Power Distribution System of the utility model, the front end of the chain is equipped with
First fastener, the rear end having contact with are equipped with the second fastener, and first fastener and the second fastener are hemispherical.
In the novel current protection device of this Coal Mine Power Distribution System of the utility model, place is equipped in the handling member
Module, the first electromagnet, push jack and the second tension spring are managed, the electromagnet is connect by electrical connection with the processing module, described
Second tension spring one end is connected on the push jack, and the other end is fixed inside the housing, and the push jack is equipped with inserted sheet.
In the novel current protection device of this Coal Mine Power Distribution System of the utility model, sense is equipped in the return unit
Module, signaling module and the second electromagnet are answered, the signaling module is mounted on inside the induction module, second electromagnet
With the induction module by being electrically connected, second electromagnet is mounted on the rear of the contact chip.
The novel current protection device for implementing this Coal Mine Power Distribution System of the utility model, has the advantages that：
It can immediately be cut off in current overload or line short, different disconnections can be made by different situation break parts
Processing, when short circuit or heavy overload occur for circuit, the first armature on magnetictrip is attracted, and lever is pushed up upwards, chain
It will be detached from and have contact with, disconnect circuit.When circuit overloads, heating element generating heat pushes up bimetal leaf, bimetal leaf top upwards
Lever move upwards, make chain disengaging have contact with, disconnecting circuit.When circuit under-voltage, the second armature of under-voltage release
Release, lever is pushed up upwards, disconnects route.Induction module in return unit can incude electric current, and signaling module will
Signal is transmitted to the staff on ground, and staff is powered to the second electromagnet by controlling induction module, and chain is past
Sinciput, so that closing of circuit.In abnormal disconnection, between processing in processing module can judge, due to processing module
In be connected to external backup power source, can the circuit to abnormal disconnection be powered in time, guarantee mine in equipment normal work.
Improve the stability and safety powered in mine.Electric leakage, overcurrent, earth leakage and mistake to occurring in Electrical Equipments of Coal Mine
Pressure phenomenon is handled well, guarantees that staff is in the working environment of a safety.
Detailed description of the invention
Fig. 1 is the novel current protection device structural schematic diagram of the utility model Coal Mine Power Distribution System；
Fig. 2 is partial enlarged view at A in Fig. 1；
Fig. 3 is partial enlarged view at B in Fig. 1；
Fig. 4 is partial enlarged view at C in Fig. 1；
Fig. 5 is torsion spring structure diagram in Fig. 1.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe.
As shown in Fig. 1 to 5, the novel current protection device of this Coal Mine Power Distribution System of the utility model, including shell
100, handling member, return unit and break part, shell 100 can protect internal part.Handling member is judged electric current, is
No is that non-regular link disconnects, if it is route caused by normal circuit overload, short circuit disconnects, handling member just not will start,
If instead being that improper route disconnects, external backup power source will be started between processing and be powered, the steady of power supply is improved
It is qualitative.Return unit is resetted to after tripping, does not have to carry out closed circuit manually.Break part be regular link is disconnected into
Row disconnects.
Shell 100 is equipped with entrance hole 11, outlet hole 12 and lateral wire hole 13, and entrance hole 11 is in the lower section of outlet hole 12, side
For string holes 13 in the side of shell 100, entrance hole 11 is the string holes that electric wire enters, and outlet hole 12 is electric wire by connected with outer casing 100
The string holes stretched out after inner body, lateral wire hole 13 are the spare external power supplies for connecting handling member.Handling member, return unit and disconnection
Part is all mounted on inside shell 100, and the first contact 14, the second contact 15, third contact 16,17 and of chain are equipped in shell 100
Having contact with 18, the first contact 14, the second contact 15 and 16 lower end of third contact connect inlet wire, and upper end connects outlet, the first contact 14,
Sub- contact 19 is provided on second contact 15 and third contact 16, sub- contact 19 can disconnect route when can separate.The
Contact chip 20 is installed, contact chip 20 is made of magnetic metal on one contact 14.First contact 14, the second contact 15 and third
Contact 16 is all mounted on chain 17, and 17 rear end of chain is equipped with the first tension spring 23, and one end of the first tension spring 23 is connected to contact chip
On 20, the other end is fixed on inside shell 100, and being pulled back chain 17 by the pulling force of the first tension spring 23 can be by first
Sub- contact 19 in contact 14, the second contact 15 and third contact 16 is separated.
It is equipped in 17 front end of chain and has contact with 18, chain 17 is equipped with the first button with 18 flexible connections, the front end of chain 17 is had contact with
Part 171, the rear end for having contact with 18 are equipped with the second fastener 181, and the first fastener 171 and the second fastener 181 are hemispherical.First fastener
It is jagged on 171, it is also jagged on the second fastener 181, when the notch fitting on the first fastener 171 and the second fastener 181, lock
Chain 17 and has contact with 18 and just mutually clasp.Because the first fastener 171 and the second fastener 181 are hemispherical, after route disconnects, chain 17
Do not connect with having contact with 18, when closed circuit, the first fastener 171 and the second fastener 181 can by spherical into
Row sliding, which squeezes, to be engaged.Have contact with 18 rear ends equipped with axis 21, have contact with 18 and be rotatably mounted on axis 21, torsional spring 22 is equipped in axis 21
With block 221,22 one end of torsional spring, which is put in, has contact in 18, and the other end is connected on block 221.By the torsion of torsional spring 22, when taking
After hook 18 is pushed upwardly, it can be resetted by torsional spring 22.
Lever 26 is equipped in break part, lever 26, which is fixed on, to be had contact among 18, and lever 26 is equipped with the first convex block 261 and the
Two convex blocks 262, the first convex block 261 and the second convex block 262 are the attachmentes for pushing lever 26 upwards, convenient for pushing.First convex block
261 above the second convex block 262, and magnetictrip 27, the first armature 29, third tension spring 25, second are additionally provided in break part and is held in the mouth
Iron 30, under-voltage release 28, bimetal leaf 31 and heater element 32, magnetictrip 27 and the first armature 29 are mounted on lever
26 left ends, the first armature 29 and magnetictrip 27 are hingedly fixed, and for the first armature 29 in the lower end of the first convex block 261, electromagnetism is de-
It is cased with first coil 271 on button device 27, when first coil 271 can make magnetictrip 27 generate magnetic force, by the first armature 29
It is attracted.Third tension spring 25, the second armature 30 and under-voltage release 28 are mounted on 26 right end of lever, and the second armature 30 is hinged to be consolidated
It is scheduled on under-voltage release 28,25 one end of third tension spring is connected on the second armature 30, and the other end is fixed in shell 100
Portion, the second armature 30 are cased with the second coil 281, the second coil 281 on the lower end of the second convex block 262, under-voltage release 28
Under-voltage release 28 can be made to generate magnetic force, the second armature 30 is attracted.Bimetal leaf 31 and heater element 32 are mounted on thick stick
26 lower end bimetal leaf 31 of bar is mounted on the top of heater element 32.Heater element 32 can generate heat and add bimetal leaf 31
Heat, the bimetal leaf 31 after heating can push upwards lever 26, so that circuit disconnects.
Preferably, processing module 33, the first electromagnet 34, push jack 36 and the second tension spring 24 are equipped in handling member, first
Electromagnet 34 is connect by electrical connection with processing module 33, and external backup power source is connected in processing module 33.Mould is handled simultaneously
It is also connected with the electric wire stretched out on block 33, can the electric current in the electric wire of stretching be handled and be judged, while check route
There goes wrong, and deals in time.Second tension spring, 24 one end is connected on push jack 36, and the other end is fixed in shell 100
Portion, push jack 36 are made of magnet, can be pushed downwards after the energization of the first electromagnet 34.Push jack 36 is equipped with inserted sheet 361, inserts
Piece 361 is inserted among the sub- contact 19 in the first contact 14, the second contact 15 and third contact 16, on stretching electric wire
Sub- contact 19 connects.
Preferably, being equipped with induction module 37, signaling module 38 and the second electromagnet 35, the second electromagnet 35 in return unit
With induction module 37 by being electrically connected, induction module 37 is for incuding the second electromagnet 35, while the second electromagnet of control
35, the second electromagnet 35 is mounted on the rear of contact chip 20.Signaling module 38 is mounted on inside induction module 37, signaling module 38
For receiving signal and issuing signal, the staff on ground is transmitted a signal to.
This current protective device can play a protective role to the power supply system under mine, and whether decision circuitry is normal
Disconnection or abnormal disconnection, all make accurate processing, improve the stability and safety of mine power supply.Work at the same time people
Member do not have to checked everywhere, also need not under will be closed the switch into mine, ensured the safety of staff itself
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, made any modification, equivalent replacement and improvement etc. should be included in the utility model
Protection scope within.
Claims (5)
1. a kind of novel current protection device of Coal Mine Power Distribution System, including shell, handling member, return unit and break part, special
Sign is, the shell is equipped with entrance hole, outlet hole and lateral wire hole, and the entrance hole is described in the lower section of the outlet hole
For lateral wire hole in the side of the shell, the handling member, return unit and break part are all mounted on the interior of shell, the shell
In be equipped with the first contact, the second contact, third contact, chain and have contact with, contact chip is installed on first contact, described the
One contact, the second contact and third contact are all mounted on the chain, the chain rear end be equipped with the first tension spring, described first
Tension spring is connected on the contact chip, and the chain front end, which is equipped with, has contact with, and the chain and has contact with flexible connection, it is described have contact with after
End is equipped with axis, it is described have contact be rotatably mounted on the axis, lever is equipped in the break part, the lever is fixed on institute
It states and has contact with centre, the lever is equipped with the first convex block and the second convex block, and first convex block is above second convex block, institute
State be additionally provided in break part magnetictrip, the first armature, third tension spring, the second armature, under-voltage release, bimetal leaf and
Heater element, the magnetictrip and the first armature are mounted on the lever left end, are cased with first on the magnetictrip
Coil, first armature are hingedly fixed with the magnetictrip, and first armature is in the lower end of first convex block, institute
It states third tension spring, the second armature and under-voltage release and is mounted on the lever right end, third tension spring one end is connected to institute
It states on the second armature, the other end is fixed inside the housing, and second armature is hinged to be fixed on the under-voltage release,
The second coil is cased on the under-voltage release, second armature is in the lower end of second convex block, the bimetal leaf
The top that bimetal leaf described in the lever lower end is mounted on the heater element is mounted on heater element.
2. the novel current protection device of Coal Mine Power Distribution System according to claim 1, which is characterized in that set in the axis
There are torsional spring and block, the one end of torsional spring was put in described have contact with, and the other end is fixed on block.
3. the novel current protection device of Coal Mine Power Distribution System according to claim 1, which is characterized in that the chain
Front end is equipped with the first fastener, and the rear end having contact with is equipped with the second fastener, and first fastener and the second fastener are hemispherical.
4. the novel current protection device of Coal Mine Power Distribution System according to claim 1, which is characterized in that the handling member
In be equipped with processing module, the first electromagnet, push jack and the second tension spring, the electromagnet by electrical connection with the processing module connect
It connects, second tension spring one end is connected on the push jack, and the other end is fixed inside the housing, and the push jack is equipped with inserted sheet.
5. the novel current protection device of Coal Mine Power Distribution System according to claim 1, which is characterized in that the return unit
In be equipped with induction module, signaling module and the second electromagnet, the signaling module is mounted on inside the induction module, described the
For two electromagnet with the induction module by being electrically connected, second electromagnet is mounted on the rear of the contact chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820815779.6U CN208142820U (en) | 2018-05-30 | 2018-05-30 | The novel current protection device of Coal Mine Power Distribution System |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820815779.6U CN208142820U (en) | 2018-05-30 | 2018-05-30 | The novel current protection device of Coal Mine Power Distribution System |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208142820U true CN208142820U (en) | 2018-11-23 |
Family
ID=64314767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820815779.6U Expired - Fee Related CN208142820U (en) | 2018-05-30 | 2018-05-30 | The novel current protection device of Coal Mine Power Distribution System |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208142820U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111508793A (en) * | 2020-04-21 | 2020-08-07 | 国网安徽省电力有限公司铜陵市义安区供电公司 | Overload protection device of low-voltage distribution line distribution transformer |
| CN113241291A (en) * | 2021-05-08 | 2021-08-10 | 安徽工业大学 | Novel bistable air switch with self-resetting function and self-resetting method |
| CN114156140A (en) * | 2021-12-03 | 2022-03-08 | 国网湖北省电力有限公司宜昌供电公司 | Power line carrier communication intelligent circuit breaker |
| CN114156736A (en) * | 2021-12-03 | 2022-03-08 | 国网湖北省电力有限公司宜昌供电公司 | Intelligent branch box |
-
2018
- 2018-05-30 CN CN201820815779.6U patent/CN208142820U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111508793A (en) * | 2020-04-21 | 2020-08-07 | 国网安徽省电力有限公司铜陵市义安区供电公司 | Overload protection device of low-voltage distribution line distribution transformer |
| CN111508793B (en) * | 2020-04-21 | 2021-04-30 | 国网安徽省电力有限公司铜陵市义安区供电公司 | Overload protection device of low-voltage distribution line distribution transformer |
| CN113241291A (en) * | 2021-05-08 | 2021-08-10 | 安徽工业大学 | Novel bistable air switch with self-resetting function and self-resetting method |
| CN113241291B (en) * | 2021-05-08 | 2022-08-30 | 安徽工业大学 | Bistable air switch with self-resetting function and self-resetting method |
| CN114156140A (en) * | 2021-12-03 | 2022-03-08 | 国网湖北省电力有限公司宜昌供电公司 | Power line carrier communication intelligent circuit breaker |
| CN114156736A (en) * | 2021-12-03 | 2022-03-08 | 国网湖北省电力有限公司宜昌供电公司 | Intelligent branch box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181123 Termination date: 20190530 |