CN207830198U - A kind of high-tension distribution chamber of converting exhaust fan automatic control device - Google Patents
A kind of high-tension distribution chamber of converting exhaust fan automatic control device Download PDFInfo
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- CN207830198U CN207830198U CN201721900940.1U CN201721900940U CN207830198U CN 207830198 U CN207830198 U CN 207830198U CN 201721900940 U CN201721900940 U CN 201721900940U CN 207830198 U CN207830198 U CN 207830198U
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- contactor
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- button
- exhaust fan
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- 238000009826 distribution Methods 0.000 title claims abstract description 20
- 230000005611 electricity Effects 0.000 claims description 8
- 239000000523 sample Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 abstract description 6
- 239000000428 dust Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000004575 stone Substances 0.000 description 3
- 239000004568 cement Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Abstract
The utility model discloses a kind of high-tension distribution chamber of converting exhaust fan automatic control devices, and main circuit and two control of Fan Motor circuits are equipped in control cabinet；Main circuit includes the first breaker, fan electromotor driving circuit and fan electromotor；Control of Fan Motor circuit includes the normally-closed contact being arranged in the normally-closed contact and the normally opened contact and run indicator and concatenated selecting switch, the coil of A.C. contactor and thermal overload relay that stop indicator light, concatenated A.C. contactor of the concatenated A.C. contactor at the second breaker both ends, it is in series with the first control button, the normally-closed contact of the time relay and the second control button between selecting switch and the coil of A.C. contactor, the coil of stop button, start button and the time relay is connected between selecting switch and the normally-closed contact of thermal overload relay.The utility model can timely reduce high pressure room temperature, stop in time after temperature reduction, ensured equipment safety operation, and saved a large amount of manpower and materials and electric power.
Description
Technical field
The utility model is related to exhaust fan control fields, and in particular to a kind of high-tension distribution chamber of converting exhaust fan automatically controls dress
It sets.
Background technology
Substation is the important place of power generation, and the safety in production of electric power be unable to do without the normal operation of substation equipment.Due to
Substation is widely distributed for industrial, agriculture, resident living converting electric power mission, therefore some build seriously polluted area in
Substation often suffers from the influence of dust in air.Such as 35 kilovolts of Ma Ji substations are located at Ma Jizhenxi, 2 kilometers of east is Zou County
Power plant, 2 kilometers of west is stone carving industry park, is had compared with cement, stone material Deng Duojia high pollutions enterprise.The especially second half year in 2013 with
Come, with Ma Ji become a wall every north side pool filled with fly ash in electric power plant by neighbouring villager, build up gangue crushing, stirring
Field and cement plant, southeast side are the building stones processing factory on high heap such as mountain.When calm, dust diffuses, and breeze animated is even more dusty,
30 meters of insufficient visibility when spring and autumn day blows hard.Wind turbine long-play has been unable to meet condition.It is only traditional in substation room
For wind turbine without air cleaning facility, opening electrically operated gate wind turbine can not prevent dust from entering, and cause substation's house dust serious
It is exceeded, it shuts electrically operated gate indoor temperature and does not distribute not go out, influence the normal fortune of measuring instrumentss, protective relaying device, accumulator etc.
Row, hides some dangers for for electricity safety production.
The switching mode of existing transformer substation high voltage chamber exhaust fan is all manual switch control, in order to ensure the stabilization of equipment
Operation, it is often necessary to it be carried out to stop power transmission work, increase the amount of labour of worker at the production line；It also increases and has a power failure to client simultaneously
Risk.Environment temperature of the protective relaying device in normal work in high-voltage chamber switch equipment in-situ protection unit control cabinet
Should be less than 60 degree, highest must not exceed 65 degree, otherwise can cause relay protection failure or malfunction, by summer environment temperature height and
The influences such as equipment heating, it is ensured that equipment protection unit safe operation, it is necessary to by the control of high pressure room temperature within 40 degree, now such as
Modern substation management is unattended pattern, can not accomplish to open exhaust fan cooling in time.
Utility model content
In order to overcome the above-mentioned deficiencies of the prior art, the utility model provides a kind of high-tension distribution chamber of converting exhaust fan and controls automatically
Device processed can timely reduce high voltage power distribution room temperature, and can stop exhaust fan in time after temperature reduction, that is, ensured and set
Standby safe operation, and a large amount of manpower and materials and electric power have been saved, reliability is improved, labor intensity is alleviated.
Technical solution used by the utility model is：
A kind of high-tension distribution chamber of converting exhaust fan automatic control device, including control cabinet are equipped with main circuit and two in control cabinet
A control of Fan Motor circuit；The main circuit includes the first breaker, two fan electromotor driving circuits and two fan electricity
Machine, the fan electromotor passes sequentially through fan electromotor driving circuit and the first breaker is connect with three-phase alternating-current supply；Single-phase
The second breaker is connected between AC power cord and phase line, the control of Fan Motor circuit includes being arranged in the second breaker
The normally-closed contact of the concatenated A.C. contactor at both ends and the normally opened contact and operation for stopping indicator light, concatenated A.C. contactor
The normally-closed contact of indicator light and concatenated selecting switch, the coil of A.C. contactor and thermal overload relay, the selection are opened
Be sequentially connected in series between the hand switch position of pass and the coil of A.C. contactor the normally-closed contact of the first control button, the time after
The normally opened contact of the normally-closed contact of electric appliance and the second control button, the automatic switch position of the selecting switch and A.C. contactor
Coil between be connected with the normally opened contact of the time relay, the hand switch position and thermal overload relay of the selecting switch
Normally-closed contact between be connected with the coil of stop button, start button and the time relay in turn.
Further, the fan electromotor driving circuit includes the breaker and A.C. contactor being sequentially connected in series, institute
It states and is provided with thermal overload relay on A.C. contactor.
Further, the normally opened contact of second control button is in parallel with the normally opened contact of A.C. contactor.
Further, the start button is in parallel with the normally opened contact of the time relay.
Further, temperature control instrument, the time relay and temperature control are provided on the chamber door of the control cabinet
Instrument series connection processed, and temperature control instrument is connected with A.C. contactor, the input terminal that the temperature control instrument passes through triode
It connects with the second breaker with output end.
Further, electricity is connected with temperature probe on the temperature control instrument.
Further, temperature indicating device, first control button and the second control are provided on the temperature controller
Button processed is arranged on temperature controller.
Further, the stop button, start button and selecting switch are separately positioned on the chamber door of control cabinet.
Compared with prior art, the utility model has the beneficial effects that：
(1) the utility model uses the start and stop of two-way control of Fan Motor circuit control exhaust fan, can be set as needed
The period of automatic start-stop is automatically turned on and is disconnected by the time relay exhaust fan, can also detect temperature according to temp probe
Degree is controlled the startup and closing of exhaust fan using thermal overload relay, high pressure room temperature can be reduced in time, by indoor environment temperature
Degree control substantially increases the service life of substation equipment in suitable temperature；Can in time it stop after temperature reduction again, i.e.,
It has ensured equipment safety operation, and has saved a large amount of manpower and materials and electric power, improved substation equipment reliability of operation, again
Alleviate labor intensity；
(2) the utility model is easy to install, easy to maintenance and at low cost, using internal plug-in type wiring, no exposed portion of conducting wire
Point, dismounting is simple；
(3) the control of Fan Motor circuit of the utility model is taken and connection line, time control start and stop and temperature control are opened
Stop not interfereing with each other, not be latched mutually, can manually, automatic bidirectional selection, meet control fan operation frequent starting and long-term running
It is required that.
Description of the drawings
Fig. 1 is high-tension distribution chamber of converting exhaust fan automatic control device circuit diagram disclosed in the utility model embodiment.
Specific implementation mode
The utility model is further illustrated below in conjunction with the accompanying drawings.
As shown in Figure 1, a kind of high-tension distribution chamber of converting exhaust fan automatic control device, including control cabinet are present embodiments provided,
Main circuit 1, the first control of Fan Motor circuit 2 and the second control of Fan Motor circuit 3 are equipped in control cabinet.
The main circuit includes breaker OF1, breaker OF3, A.C. contactor KM1, the first fan electromotor M1, breaker
OF4, A.C. contactor KM2, the second fan electromotor M2, the first fan electromotor M1 pass sequentially through A.C. contactor KM1, open circuit
Device OF3, breaker OF1 are connect with three-phase alternating-current supply, and the second fan electromotor M2 passes sequentially through A.C. contactor KM2, breaks
Road device OF4, breaker OF1 are connect with three-phase alternating-current supply；Thermal overload relay KH1 is installed on the A.C. contactor KM1,
Thermal overload relay KH2 is installed on the A.C. contactor KM2.
Breaker OF2 is connected between single phase alternating current power supply line and phase line N, the breaker OF2's is provided at both ends with
First control of Fan Motor circuit and the second control of Fan Motor circuit.
The first control of Fan Motor circuit includes the concatenated A.C. contactor KM1 being arranged at the both ends breaker OF4
Normally-closed contact with stop the normally opened contact of indicator light HG1, concatenated A.C. contactor KM1 and run indicator HR1 and connect
Selection selecting switch SA1, A.C. contactor KM1 and thermal overload relay KH1 normally-closed contact, the selecting switch SA1's
Be sequentially connected in series between hand switch position and the coil of A.C. contactor KM1 the normally-closed contact of control button SB11, the time after
The normally opened contact of the normally-closed contact and control button SB12 of electric appliance KT1, the normally opened contact of the control button SB12 connect with exchanging
The normally opened contact of tentaculum KM1 is in parallel；Between the automatic switch position and the coil of A.C. contactor KM1 of the selecting switch SA1
It is connected with the normally opened contact of time relay KT1, hand switch position and the thermal overload relay KH1 of the selecting switch SA1
Normally-closed contact between be connected with the coil of stop button K1, start button K2 and time relay KT1 in turn；Start button K2
It is in parallel with the normally opened contact of time relay KT1.
The second control of Fan Motor circuit includes the concatenated A.C. contactor KM2 being arranged at the both ends breaker OF4
Normally-closed contact with stop the normally opened contact of indicator light HG2, concatenated A.C. contactor KM2 and run indicator HR2 and connect
Selection selecting switch SA2, A.C. contactor KM2 and thermal overload relay KH2 normally-closed contact, the selecting switch SA2's
Be sequentially connected in series between hand switch position and the coil of A.C. contactor KM2 the normally-closed contact of control button SB21, the time after
The normally opened contact of the normally-closed contact and control button SB22 of electric appliance KT2, the normally opened contact of the control button SB22 connect with exchanging
The normally opened contact of tentaculum KM2 is in parallel；Between the automatic switch position and the coil of A.C. contactor KM2 of the selecting switch SA2
It is connected with the normally opened contact of time relay KT2, hand switch position and the thermal overload relay KH1 of the selecting switch SA2
Normally-closed contact between be connected with the coil of stop button K3, start button K4 and time relay KT2 in turn；Start button K4
It is in parallel with the normally opened contact of time relay KT2.
In the present embodiment, it is provided with temperature control instrument on the chamber door of the control cabinet, the time relay KT1,
Time relay KT2 connects with temperature control instrument respectively, and temperature control instrument respectively with A.C. contactor KM1, exchange and connect
Tentaculum KM2 series connection, the temperature controller are connected by the input terminal and output end of triode with the second breaker.The temperature control
Electricity is connected with temperature probe in instrument.Temperature indicating device is provided on the temperature control instrument, first control is pressed
Button and the second control button are arranged on temperature control instrument.
In the present embodiment, the stop button K1, start button K2, stop button K3, start button K4, selecting switch
SA1 and selecting switch SA2 are separately positioned on the chamber door of control cabinet.
In the present embodiment, control cabinet is made of plastic-steel material, has the characteristics that insulation, not corrosion, light-weight, solution
Circuit problem, meets fan operation temperature and the requirement to device for mechanical intensity, and reduce installation weight.
As shown in Figure 1, the utility model proposes a kind of high-tension distribution chamber of converting exhaust fan automatic control device in use, can be with
Two sections of time automatic start-stops are set, according to summer feature after the raising of morning temperature and after load raising, the time relay is automatic
Exhaust fan is opened, after temperature reduces in the afternoon and after load reduction, the time relay disconnects exhaust fan automatically, and in addition also setting is hot
Overload relay starts exhaust fan automatically when temp probe detects when temperature reaches the upper limit, temperature is closed automatically when reaching lower limit
Close exhaust fan.The requirement of ventilation is not only met in this way, and enhances economy.Average every exhaust fan saves 8 degree of electricity daily；
Average every exhaust fan monthly saves 240 degree of electricity.The utility model changes the structure that conventional fan is spaced apart control, will control automatically
System is combined the function of not only realizing wind turbine improvement air with conventional fan, but also simple economy is reliable.The high-tension distribution chamber of converting air draft
The use for fanning automatic control device can timely reduce high pressure room temperature, and can in time stop after temperature reduction, that is, ensure
Equipment safety operation, and a large amount of manpower and materials and electric power have been saved, reliability is improved, and alleviate labor intensity.
The utility model proposes high-tension distribution chamber of converting exhaust fan automatic control device main feature be embodied in it is following
Aspect：
(1) it is not limited by a space, control device is small, rationally distributed, and deft design is not take up on wall
Large space can be used for all kinds of places；
(2) each period can be arranged, flexibly and easily in designed, designed according to demand.Substantially meet transformer substation high voltage chamber control
The requirement of temperature；
(3) easy to maintain, it safeguards, is easy to operate, which belongs to long-term running equipment, and maintenance cost is low；
(4) easy for installation, using internal plug-in type wiring, no conducting wire exposed parts, dismounting is simple, convenient and efficient.
It is above-mentioned although specific embodiments of the present invention are described with reference to the accompanying drawings, but not to this practicality newly
The limitation of type protection domain, those skilled in the art should understand that, based on the technical solution of the present invention, ability
Field technique personnel need not make the creative labor the various modifications or changes that can be made still in the protection model of the utility model
Within enclosing.
Claims (8)
1. a kind of high-tension distribution chamber of converting exhaust fan automatic control device, characterized in that including control cabinet, main electricity is equipped in control cabinet
Road and two control of Fan Motor circuits；The main circuit includes the first breaker, two fan electromotor driving circuits and two
Fan electromotor, the fan electromotor passes sequentially through fan electromotor driving circuit and the first breaker is connect with three-phase alternating-current supply；
The second breaker is connected between single phase alternating current power supply line and phase line, the control of Fan Motor circuit includes being arranged second
The normally-closed contact of the concatenated A.C. contactor at breaker both ends and the normally opened contact for stopping indicator light, concatenated A.C. contactor
It is described with the normally-closed contact of run indicator and concatenated selecting switch, the coil of A.C. contactor and thermal overload relay
Be sequentially connected in series between the hand switch position of selecting switch and the coil of A.C. contactor the first control button normally-closed contact,
The normally opened contact of the normally-closed contact of the time relay and the second control button, the automatic switch position of the selecting switch with exchange
The normally opened contact of the time relay, the hand switch position and thermal overload of the selecting switch are connected between the coil of contactor
It is connected with the coil of stop button, start button and the time relay between the normally-closed contact of relay in turn.
2. high-tension distribution chamber of converting exhaust fan automatic control device according to claim 1, characterized in that the fan electromotor drives
Dynamic circuit includes the breaker and A.C. contactor being sequentially connected in series, and thermal overload relay is provided on the A.C. contactor
Device.
3. high-tension distribution chamber of converting exhaust fan automatic control device according to claim 1, characterized in that second control is pressed
The normally opened contact of button is in parallel with the normally opened contact of A.C. contactor.
4. high-tension distribution chamber of converting exhaust fan automatic control device according to claim 1, characterized in that the start button with
The normally opened contact of the time relay is in parallel.
5. high-tension distribution chamber of converting exhaust fan automatic control device according to claim 1, characterized in that the case of the control cabinet
Be provided with temperature control instrument on door, the time relay and temperature control instrument series connection, and temperature control instrument with exchange
Contactor is connected, and the temperature control instrument is connected by the input terminal and output end of triode with the second breaker.
6. high-tension distribution chamber of converting exhaust fan automatic control device according to claim 5, characterized in that the temperature controller
Electricity is connected with temperature probe on table.
7. high-tension distribution chamber of converting exhaust fan automatic control device according to claim 5, characterized in that the temperature controller
On be provided with temperature indicating device, first control button and the second control button are arranged on temperature controller.
8. high-tension distribution chamber of converting exhaust fan automatic control device according to claim 1, characterized in that the stop button,
Start button and selecting switch are separately positioned on the chamber door of control cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721900940.1U CN207830198U (en) | 2017-12-29 | 2017-12-29 | A kind of high-tension distribution chamber of converting exhaust fan automatic control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721900940.1U CN207830198U (en) | 2017-12-29 | 2017-12-29 | A kind of high-tension distribution chamber of converting exhaust fan automatic control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207830198U true CN207830198U (en) | 2018-09-07 |
Family
ID=63390588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721900940.1U Expired - Fee Related CN207830198U (en) | 2017-12-29 | 2017-12-29 | A kind of high-tension distribution chamber of converting exhaust fan automatic control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207830198U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112527028A (en) * | 2020-11-28 | 2021-03-19 | 安徽金禾实业股份有限公司 | Regulating and controlling device for electric heater of synthesis tower |
| CN113931863A (en) * | 2020-06-29 | 2022-01-14 | 深圳市金色曙光科技有限公司 | Control circuit of exhaust fan system |
-
2017
- 2017-12-29 CN CN201721900940.1U patent/CN207830198U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113931863A (en) * | 2020-06-29 | 2022-01-14 | 深圳市金色曙光科技有限公司 | Control circuit of exhaust fan system |
| CN112527028A (en) * | 2020-11-28 | 2021-03-19 | 安徽金禾实业股份有限公司 | Regulating and controlling device for electric heater of synthesis tower |
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| 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: 20180907 Termination date: 20181229 |