CN106286363A - High-tension distribution chamber of converting exhaust fan automaton and method - Google Patents
High-tension distribution chamber of converting exhaust fan automaton and method Download PDFInfo
- Publication number
- CN106286363A CN106286363A CN201610877051.1A CN201610877051A CN106286363A CN 106286363 A CN106286363 A CN 106286363A CN 201610877051 A CN201610877051 A CN 201610877051A CN 106286363 A CN106286363 A CN 106286363A
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- temperature
- exhaust fan
- humidity
- controller
- lower limit
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
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- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The present invention relates to a kind of high-tension distribution chamber of converting exhaust fan automaton and method, first temperature sensor monitors real time temperature, and send public TT&C system to；Real time temperature and temperature are started lower limit and contrast by public TT&C system, start lower limit at real time temperature more than temperature, send the most alert signal of temperature to controller, send real time temperature to controller simultaneously；After controller receives the most alert signal of temperature, send signal, open exhaust fan and be aerated, when real time temperature reaches temperature involution lower limit, close exhaust fan.The inventive method automatically starts exhaust fan in the case of temperature is too high and lowers the temperature, and is automatically switched off exhaust fan when temperature reaches predetermined value, it is possible to reasonably control the temperature of high-tension distribution chamber of converting.
Description
[technical field]
The invention belongs to technical field of electrical automatic control, be specifically related to a kind of high-tension distribution chamber of converting exhaust fan and automatically control dress
Put and method.
[background technology]
Along with network optimization, the development of transformer station's Comprehensive Automation Retrofit process, unattended operation transformer station large area is popularized.Transformer station
Being assembled with air-conditioning in master control room and protection room, these equipment can control indoor temperature the most in real time；But 35kV, 10kV high pressure
Switchgear house is because careat is big, interlayer is high, and indoor can not be airtight, is only mounted with the exhaust fan being aerated.
Ambient temperature be there are certain requirements when running by electric device secondary device, according to " relay protection and automaton electricity
Power technical standard collects " requirement, the normal operating temperature of general protection and automation equipment is-5 DEG C to 40 DEG C, optimum operation
Temperature is 10 DEG C to 30 DEG C (DL/T 478/4.1.1).
Therefore the temperature of high-tension distribution chamber of converting should control at 5 DEG C to 35 DEG C (DL/T 587-1996 3.6), and temperature is the most too high
Or too low, secondary device service life and health status are had considerable influence, equipment heating in general high voltage switchgear house, it is easy to
Make temperature too high.
Conventional Attended mode transformer station, operation maintenance personnel can carry out height according to the manually opened exhaust fan of temperature situation and be press-fitted
Electricity room aeration-cooling.After unmanned transformation, operation maintenance personnel can not open exhaust fan in real time when summer temp rises, such as Fig. 1 institute
Show.And exhaust fan is when opening for a long time, electrical machinery of ventilator may burn because of long time running.Therefore, height is had to be press-fitted during summer
The deadlock situation that electricity room protection device causes because of high temperature.Existing equipment how is utilized to control the temperature of high-tension distribution chamber of converting, it is to avoid to set
The standby irregular operating caused because of high temperature, becomes the problem that transformer station in summer needs solution badly.
Found, in unmanned power transformation in summer by the temperature conditions of statistics Hanzhong Area transformer station high-tension distribution chamber of converting in summer
Temperature and preferable requirement that high voltage power distribution of standing is indoor also have certain gap, and general high voltage switchgear house is big with outdoor temperature phase rate
In 28%.
[summary of the invention]
It is an object of the invention to overcome problems of the prior art, it is provided that a kind of high-tension distribution chamber of converting exhaust fan is automatic
Control device and method, automatically starts exhaust fan in the case of temperature is too high and lowers the temperature, when temperature reaches predetermined value certainly
Dynamic closedown exhaust fan.
In order to achieve the above object, the inventive method adopts the following technical scheme that and comprises the following steps:
Step one: temperature sensor monitors real time temperature, and send controller to；
Step 2: real time temperature and temperature are started lower limit and contrast by controller；
Step 3: controller, when real time temperature starts lower limit more than temperature, sends the most alert signal of temperature, and controls row
Fan is opened and is aerated, and when real time temperature reaches temperature involution lower limit, closes exhaust fan.
Further, temperature starts lower limit is 35 DEG C；Temperature involution lower limit is 30 DEG C.
Further, further comprising the steps of: humidity sensor detects real-time humidity and sends controller to, controller will
Humidity and humidity startup lower limit contrast in real time, send the most alert letter of humidity when real-time humidity starts lower limit more than humidity
Number, control dehumidifier unlatching simultaneously and dehumidify, during until humidity reaches humidity involution lower limit in real time, close dehumidifier.
Further, humidity starts lower limit is 75%rh；Humidity involution lower limit is 70%rh.
The technical scheme of apparatus of the present invention is: include controller, and the temperature sensor being connected with controller input
And humidity sensor, controller output end connects exhaust fan and dehumidifier.
Further, the portable warm humidity controller that controller uses model to be ELE-304-GD-T.
Further, controller is arranged in the distribution box of high-tension distribution chamber of converting, and temperature sensor and humidity sensor are arranged
Centre position at high-tension distribution chamber of converting.
Further, controller output end connects exhaust fan and dehumidifier by A.C. contactor.
Compared with prior art, the present invention has a following useful technique effect:
The inventive method automatically starts exhaust fan in the case of temperature is too high and lowers the temperature, when temperature reaches predetermined value
It is automatically switched off exhaust fan, it is possible to reasonably control the temperature of high-tension distribution chamber of converting, can economize on electricity up to 15%, annual reduce because temperature
Too high power failure load loss 280,000 kilowatt hour caused, it is achieved the concentrated collection of temperature device service data and management, analyzes, comments
Valency heat radiation effect on moisture extraction, instructs runing adjustment, it is achieved transformer station is temp autocontrolled, saves substantial amounts of human resources, for electrical network once
Reliability and the safety of equipment provide powerful guarantee, improve the power supply reliability of electrical network；The present invention can reach high pressure
Switchgear house is with outdoor temperature phase rate≤5%.The present invention is Automated condtrol simultaneously, it is possible to effectively reduce cost of labor.
Apparatus of the present invention are by arranging temperature sensor to monitor real time temperature, and control opening of exhaust fan by controller
Opening and close, apparatus structure is simple, it is possible to reasonably control the temperature of high-tension distribution chamber of converting.
Further, the present invention, can also while monitoring real time temperature by arranging humidity sensor and dehumidifier
Monitor real-time humidity, preferably ensure high voltage power distribution room environmental.
[accompanying drawing explanation]
Fig. 1 is the broad flow diagram of prior art；
Fig. 2 (a) is the exhaust fan automatically controlled circuit diagram of the present invention；Fig. 2 (b) is the enlarged drawing of temperature and humidity controller；
Fig. 3 is the temperature controlled flow chart of the present invention.
[detailed description of the invention]
Below in conjunction with the accompanying drawings the present invention is described in further details.
See Fig. 2 (a) and Fig. 2 (b), controller that apparatus of the present invention include being arranged in switchgear house, temperature sensor and
Humidity sensor, temperature sensor and humidity sensor are connected with controller input, controller output end connect exhaust fan and
Dehumidifier.
1. controlled the development of device by high-tension distribution chamber of converting exhaust fan, it is possible to realization is press-fitted interior electricity room temperature and is power transformation height
No out-of-limit it is monitored, and indoor temperature can be adjusted, reduce high voltage power distribution indoor and once break down with secondary device
Probability.
2. we select when outdoor temperature is more than 30 degree, and high-tension distribution chamber of converting room temperature is with outdoor temperature phase rateThis refers to
Whether mark, reach to control temperature requirement and carry out quantitative evaluation this device.I.e.
Wherein T1 is indoor temperature；T2 is outdoor temperature
From figure 3, it can be seen that the present invention comprises the following steps:
Step one: temperature sensor monitors real time temperature, humidity sensor detects real-time humidity, and sends controller to；
Step 2: real time temperature and temperature are started lower limit and contrast by controller, real-time humidity are started with humidity
Lower limit contrasts；
Step 3: when real time temperature starts lower limit or real-time humidity more than humidity startup lower limit more than temperature,
Controller sends temperature or the most alert signal of humidity by public observing and controlling cabinet；Controller opens exhaust fan by A.C. contactor simultaneously
It is aerated or opens dehumidifier dehumidifying, when real time temperature reaches temperature involution lower limit, close exhaust fan；In real time
When humidity reaches humidity involution lower limit, close dehumidifier；It is 35 DEG C that temperature starts lower limit, and temperature involution lower limit is 30
℃；Humidity starts lower limit 75%rh, and humidity involution lower limit is 70%rh.
Present invention achieves the direct Monitoring and Controlling to high voltage power distribution room temperature, eliminate operations staff and make an inspection tour and monitor
The complicated processes that member monitors in real time, utilizes network and 103 passages to realize more line alarm remote signals and humiture real-time telemetry number
Can be the most real-time be transferred to distant place OPEN3000 system, make the humiture of high-tension distribution chamber of converting and a ventilation situation distant place slap in real time
Control, when completing the complete networking of the Temperature and Humidity Control of transformer station and monitoring, when substation secondary " big data " and " the Internet+"
In generation, will be done step-by-step.
Blower fan is controlled by control ac contactor by the present invention, combines automatic network system by transformer station, carry out letter
Number transmission, transmission speed can reach 2M bit/s, and the time is usually no more than 5 seconds.
Supervising device: can be sharp to humiture perception；There is control node more than two；Humiture can be carried out in real time
Monitoring；Measurement error not can exceed that 1 DEG C/1%RH；
Parameter is arranged: can carry out visualized operation；Resetting value can be set, and power-off also can preserve setting；Display
Figure place is preferably accurate to a decimal；Parameter arranges simply, easy left-hand seat；
Wiring and installation: Sizes, it is simple to install on low-tension distribution box；Conveniently accessible integrated automation of transformation stations system
System；Use cable is few, cost-effective；Easy for installation, it is simple to personnel construct；Other operation equipment will not be caused shadow by work progress
Ring；
Monitoring effect: realize the monitoring of link each to humiture system；Rapid to variations in temperature perception；Can reliably control
Blower fan and dehydrating unit；
Table 1 temperature controller selection scheme contrast statistical table
Controller of the present invention uses model to be ELE-304-GD-T portable warm humidity controller.
Table 2 temperature controller installation position selection scheme comparison's statistical table
Device communication modes: rhabdion point+RS485；Difficulty of construction is little, and cost is the highest；It is prone to monitor in altitude chamber warm and humid
Degree, warning signal is reliable.
As shown in Fig. 2 (a) and Fig. 2 (b), critical piece of the present invention includes public observing and controlling cabinet
1, temperature sensor and humidity sensor；
2, temperature and humidity controller, A.C. contactor KM1 with KM2, hand switch K, exchange sky and open QF, exhaust fan loop and remove
Wet machine loop；Wiring step is as follows:
(1) connect holding wire, common port 701 is connected to the 18 of temperature and humidity controller, No. 20 terminals, outputting alarm signal
901,903 it is connected to 17, No. 19 terminals of normally opened node, and is connected to this cable stand with public observing and controlling cabinet 1.Temperature sensor and humidity
Sensor 2 is connected to 11 to No. 14 terminals of temperature and humidity controller；15 and No. 16 terminals of temperature and humidity controller are RS485 communication
Terminal.
(2) attachment means power supply, is connected to No. 1 terminal by alternating current power supply L, and alternating current power supply N is connected to No. 2 terminals.
(3) connecting fan, is connected to No. 5 terminals by the A.C. contactor-KM1 of exhaust fan to be controlled, and+KM1 is connected to No. 6 ends
Son.Dehumidifier-the KM2 that will control is connected to No. 8 terminals, and+KM2 is connected to No. 9 terminals.Circuit is entered after completing by all wiring
Row arranges, and carries out colligation with binding strap, it is ensured that wiring neat appearance.
The present invention passes through simulated failure situation, checks alarm situation: respectively temperature and humidity has been carried out twice test, examination
Test result as follows: with 1 DEG C as step-length, be gradually increased to setting valve value and be simulated debugging.With 1%RH as step-length, gradually increase
It is added to setting valve and is simulated debugging.
Result of the test is as follows:
Analog reslt summary sheet
Four tests all can correctly alert, and meets the error rate that relay protection setting test is not more than 5%, and fault warning is accurate
Really rate=100%.
The present invention can also have an arranged below and advantage:
1, database communication period is increased:
" switchgear house temperature is high " and " switchgear house humidity is high " warning signal is increased in self-monitoring device storehouse is combined by transformer station, and
It is uploaded to main website end by transformer station's telecontrol communication machine.
2, running monitor device warning information photon board is increased:
Combine in background monitoring device and operation of power networks centralized control apparatus in transformer station, increase " switchgear house temperature high " and
" switchgear house humidity is high " warning signal photon board, and associate with corresponding communication period in data base.
3, increase distant place real time data to upload:
Asynchronous serial half-duplex RS 485 communication interface provided by controller, uses MODBUS-RTU agreement, by distribution
Indoor temperature real time data is uploaded to distant place main station monitoring.
The present invention, by installing automaton additional in exhaust fan circuit start loop, is reasonably controlled by the present invention
The temperature of high-tension distribution chamber of converting, can economize on electricity up to 15%, annual reduces because the too high power failure load loss 280,000 thousand caused of temperature
Watt-hour, it is achieved the concentrated collection of temperature device service data and management, analyzes, evaluates heat radiation effect on moisture extraction, instruct runing adjustment,
Realizing transformer station temp autocontrolled, save substantial amounts of human resources, reliability and safety for electrical network primary equipment have provided
Try hard to keep barrier, improve the power supply reliability of electrical network.
Do not possess remote temperature sensing from high-tension distribution chamber of converting station, remote signalling, automatic control function consider, are similar to work in the past
Can only manually adjust temperature to solve, as a example by Hanzhong Area, be 3 months according to the annual summer high temperature time, Hanzhong Area
60 unattended operation transformer stations send operation maintenance personnel to safeguard, a transformer station averagely needs 50 person-times of maintenances, per person in summer
In conjunction with distance with according to average 100 yuan of costs, the high-tension distribution chamber of converting exhaust fan that outfit 2 set costs are 300 yuan of often standing automatically controls
Device calculates, the cost of labor of saving: save cost of labor=60 × 50 × 100-(60 × 300 × 2)=264000 yuan.
Claims (8)
1. high-tension distribution chamber of converting exhaust fan autocontrol method, it is characterised in that: comprise the following steps:
Step one: temperature sensor monitors real time temperature, and send controller to；
Step 2: real time temperature and temperature are started lower limit and contrast by controller；
Step 3: controller, when real time temperature starts lower limit more than temperature, sends the most alert signal of temperature, and controls exhaust fan
Unlatching is aerated, and when real time temperature reaches temperature involution lower limit, closes exhaust fan.
High-tension distribution chamber of converting exhaust fan autocontrol method the most according to claim 1, it is characterised in that: temperature starts lower limit
Value is 35 DEG C；Temperature involution lower limit is 30 DEG C.
High-tension distribution chamber of converting exhaust fan autocontrol method the most according to claim 1, it is characterised in that: also include following step
Rapid: humidity sensor detects real-time humidity and sends controller to, real-time humidity and humidity are started lower limit and carry out by controller
Contrast, sends the most alert signal of humidity when real-time humidity starts lower limit more than humidity, controls dehumidifier unlatching simultaneously and removes
Wet, during until humidity reaches humidity involution lower limit in real time, close dehumidifier.
High-tension distribution chamber of converting exhaust fan autocontrol method the most according to claim 3, it is characterised in that: humidity starts lower limit
Value is 75%rh；Humidity involution lower limit is 70%rh.
5. high-tension distribution chamber of converting exhaust fan automaton, it is characterised in that: include controller, and with controller input phase
Temperature sensor even and humidity sensor, controller output end connects exhaust fan and dehumidifier.
High-tension distribution chamber of converting exhaust fan automaton the most according to claim 5, it is characterised in that: controller employing type
It number it is the portable warm humidity controller of ELE-304-GD-T.
High-tension distribution chamber of converting exhaust fan automaton the most according to claim 5, it is characterised in that: controller is arranged on
In the distribution box of high-tension distribution chamber of converting, temperature sensor and humidity sensor are arranged on the centre position of high-tension distribution chamber of converting.
High-tension distribution chamber of converting exhaust fan automaton the most according to claim 5, it is characterised in that: controller output end
Exhaust fan and dehumidifier is connected by A.C. contactor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610877051.1A CN106286363A (en) | 2016-09-30 | 2016-09-30 | High-tension distribution chamber of converting exhaust fan automaton and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610877051.1A CN106286363A (en) | 2016-09-30 | 2016-09-30 | High-tension distribution chamber of converting exhaust fan automaton and method |
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| Publication Number | Publication Date |
|---|---|
| CN106286363A true CN106286363A (en) | 2017-01-04 |
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ID=57716863
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610877051.1A Pending CN106286363A (en) | 2016-09-30 | 2016-09-30 | High-tension distribution chamber of converting exhaust fan automaton and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108171436A (en) * | 2018-01-11 | 2018-06-15 | 天津大学 | Resident's air conditioning requirements response policy and its control method to matching electricity consumption silhouette sound |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5364024A (en) * | 1993-05-07 | 1994-11-15 | Feng Lin | Application independent, portable room temperature and humidity controller |
| CN102945056A (en) * | 2012-11-14 | 2013-02-27 | 安徽省电力公司宣城供电公司 | Box type temperature and humidity control system |
| KR101541846B1 (en) * | 2014-07-31 | 2015-08-05 | 주식회사 동남종합중전기 | The Protection and Distribution Panel For Transformer Equipment With Hybrid Air Cleaning Device |
| CN105320192A (en) * | 2015-11-20 | 2016-02-10 | 国家电网公司 | Automatic control device of large-power exhaust fan and heater |
| CN205375242U (en) * | 2016-01-13 | 2016-07-06 | 江苏省电力公司连云港供电公司 | Electricity distribution room intelligence cooling dehumidification control system |
-
2016
- 2016-09-30 CN CN201610877051.1A patent/CN106286363A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5364024A (en) * | 1993-05-07 | 1994-11-15 | Feng Lin | Application independent, portable room temperature and humidity controller |
| CN102945056A (en) * | 2012-11-14 | 2013-02-27 | 安徽省电力公司宣城供电公司 | Box type temperature and humidity control system |
| KR101541846B1 (en) * | 2014-07-31 | 2015-08-05 | 주식회사 동남종합중전기 | The Protection and Distribution Panel For Transformer Equipment With Hybrid Air Cleaning Device |
| CN105320192A (en) * | 2015-11-20 | 2016-02-10 | 国家电网公司 | Automatic control device of large-power exhaust fan and heater |
| CN205375242U (en) * | 2016-01-13 | 2016-07-06 | 江苏省电力公司连云港供电公司 | Electricity distribution room intelligence cooling dehumidification control system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108171436A (en) * | 2018-01-11 | 2018-06-15 | 天津大学 | Resident's air conditioning requirements response policy and its control method to matching electricity consumption silhouette sound |
| CN108171436B (en) * | 2018-01-11 | 2021-10-08 | 天津大学 | Resident air conditioner demand response strategy and control method for influence of resident air conditioner demand response strategy on power distribution and utilization side |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170104 |
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