CN101684962A - Air conditioning ventilation automatic control system and method for single-brand air conditioner of transformer substation - Google Patents

Air conditioning ventilation automatic control system and method for single-brand air conditioner of transformer substation Download PDF

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Publication number
CN101684962A
CN101684962A CN200810200332A CN200810200332A CN101684962A CN 101684962 A CN101684962 A CN 101684962A CN 200810200332 A CN200810200332 A CN 200810200332A CN 200810200332 A CN200810200332 A CN 200810200332A CN 101684962 A CN101684962 A CN 101684962A
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air conditioner
air
automatic control
indoor
conditioning
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CN200810200332A
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CN101684962B (en
Inventor
王卫斌
华斌
杨伟
王文华
陈明全
徐胜玲
赵轶嘉
陆成
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SHANGHAI DABANG ENERGY CONSERVATION TECHNOLOGY Co Ltd
State Grid Corp of China SGCC
Shanghai Municipal Electric Power Co
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SHANGHAI DABANG ENERGY CONSERVATION TECHNOLOGY Co Ltd
Shanghai Nanqu Power Saving Science & Technology Co Ltd
Shanghai Municipal Electric Power Co
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Abstract

The invention discloses an air conditioning ventilation automatic control system and a method for a single-brand air conditioner of a transformer substation. The system comprises a PC program industrial control CPU module, a touch display, an air conditioning interface of the air conditioning system, an analog quantity input module, a relay output module and an indoor-outdoor temperature sensor arranged in situ. The invention adopts an optimized operational control strategy, and realizes real time detection and control on the indoor-outdoor environmental temperature of the transformer substation, thereby effectively reducing power consumption in the substation and removing interference of human factors on the reasonable operation of the air conditioning in the transformer substation. Compared with the traditional manual setting way, the invention reflects an implement scheme with the characteristics of energy saving, simplified setting, bigger function, economic operation, and expandable ability.

Description

The air conditioning ventilation automatic control system and the method that are used for single-brand air conditioner of transformer substation
Technical field
The present invention relates to a kind of automatic control system, relate in particular to the air conditioning ventilation automatic control system that is used for single-brand air conditioner of transformer substation
Technical background
At present, at the situation that adopts single brand cabinet air-conditioner in some transformer station, its on-the-spot air-conditioning and ventilating system be in service to exist many problems, summarizes that to get up to comprise that parameter is provided with unreasonable, running time is lack of standardization, and the exhaust system utilization rate is hanged down inferior unreasonable factor.Reason is the cryogenic temperature parameter, and anyone can be provided with, and parameter all is provided with personal feeling, wherein certainly exists unreasonable factor; The condition of controlling the air-conditioning start and stop simultaneously also only rely on artificial judge and in the past experience draw, have nonstandard factor; Exhaust system only is provided with in order to prevent SF6 from leaking in standing, and it is less almost to turn round at ordinary times, and utilization rate is low.
The air-conditioning of on-the-spot operation in the transformer station, what primarily satisfy should be that Microcomputer Protection is regulated the rational temperature that requirement is carried out of indoor and outdoor surroundings, next is only two weeks once, each dozens of minutes patrolman's comfortableness.Basically, stand in air-conditioning be technological air conditioning rather than comfort air conditioning system.So the requirement of the Microcomputer Protection main foundation as air-conditioning and ventilating system operation suitably should be taken into account inspectorate or maintenance man's comfortableness, the basic orientation of air conditioner ventilating system automatic control technology that Here it is.
Therefore, under the single brand air-conditioning equipment of transformer station's field by using situation, how making up a such air conditioning ventilation automatic control system and method that is used for single-brand air conditioner of transformer substation is key issue solved by the invention.
Summary of the invention
The purpose of this invention is to provide a kind of energy-conservation, setting is simplified, function is bigger, operation is more economical, and has the air conditioning ventilation automatic control system that is used for single-brand air conditioner of transformer substation and the method for extendible ability.
One of the present invention, a kind of air conditioning ventilation automatic control system that is used for single-brand air conditioner of transformer substation, it is characterized in that, comprise a PC programming Industry Control CPU module, a touch display screen, the air-conditioning interface of N air-conditioning system, M analog quantity input module, relay output module and be arranged on several on-the-spot indoor and outdoor temperature sensors, wherein, described CPU module is connected with the air-conditioning interface of described touch display screen and described each air-conditioning system respectively by 485 universal serial bus, and described CPU module also directly is connected with a relay output module with described each analog quantity input module, described each analog quantity input module links to each other with several indoor and outdoor temperature sensors respectively, wherein N, M is respectively natural number.
In above-mentioned automatic control system, N equals 3.
In above-mentioned automatic control system, M equals 2.
In above-mentioned automatic control system, the air-conditioning interface of air-conditioning system has also connected some controlled object air conditioners, and described relay output module links to each other with several exhaust blowers, alarm buzzer and the indicator lamp in the external world, and alarm signal output is arranged.
In above-mentioned automatic control system, two in three air-conditioning interfaces are used for connecting the air conditioner of ancillary equipment chamber, an air conditioner that is used for connecting peripheral control room and peripheral battery room.
The present invention's two, a kind of air conditioner ventilation autocontrol method that is used for single-brand air conditioner of transformer substation is realized by CPU module and connected touch display screen, comprises the following steps:
Initialization step: CPU module, touch display screen are carried out initialization;
The data analysis treatment step: the CPU module is accepted the scene temperature measured value in real time by the indoor and outdoor temperature sensor and is done corresponding data analysis and handle;
Parameter modification and set-up procedure:, the parameter of system's setting is made amendment and adjust by touch display screen according to the data analysis result;
Judge the mode of operation step of CPU module:
If manual mode, i.e. " Artificial Control pattern " then enters corresponding manual mode and handles, and selects running time, when arriving this of point, then is back to intelligence (or automatically) pattern voluntarily running time;
If intelligent mode, i.e. " automatic control mode ", then to the intelligence refrigeration, heating mode is judged and handle;
Control air conditioner start-stop step: according to the mode of operation result of determining, control the start-stop state of air conditioner, and adjust the operational factor of air conditioner with the temperature detection numerical value that obtains in real time;
Start and stop the exhaust blower switch:, start and stop exhaust blower and carry out the indoor and outdoor heat exchange according to indoor and outdoors Temperature numerical and relation each other;
Troubleshooting step: if the system failure is carried out corresponding failure and handled.
In above-mentioned air conditioner ventilation autocontrol method, the touch display screen initialization content in the initialization step comprises: the setting of system works pattern and system control parameters.
In above-mentioned air conditioner ventilation autocontrol method, touch display screen comprises the parameter of all kinds of temperature and departure to the parameter of system's setting.
The invention has the beneficial effects as follows: the present invention adopts and optimizes the operation control strategy, realization is to the real-time detection and the control of transformer station's indoor and outdoor surroundings temperature, can effectively reduce power consumption in the station, get rid of human factor to the interference of operation rationally of air-conditioning in the transformer station, compare with the artificial set-up mode of tradition, the present invention embodied a kind of energy-conservation, setting is simplified, function is bigger, operation is more economical, and has the embodiment of extendible ability.
Description of drawings
Fig. 1 is the structural representation of air conditioning ventilation automatic control system of the present invention.
Fig. 2 is the flow chart of air conditioner ventilation autocontrol method of the present invention.
The specific embodiment
The invention will be further described below in conjunction with accompanying drawing.
See also Fig. 1, there is shown a kind of air conditioning ventilation automatic control system embodiment that is used for single-brand air conditioner of transformer substation of the present invention.
It comprises the air-conditioning interface 5 of PC programming Industry Control CPU module 2, touch display screen 1, three air-conditioning systems, two analog quantity input modules 3, a relay output module 4 and is arranged on several on-the-spot indoor and outdoor temperature sensors 6.CPU module 2 is connected with air-conditioning interface 5 with touch display screen 1 respectively by 485 universal serial bus, and CPU module 2 also directly is connected with a relay output module 4 with two analog quantity input modules 3.Analog quantity input module 31 links to each other with an indoor temperature transmitter with two outdoor temperature sensor; Analog quantity input module 32 links to each other with three indoor temperature transmitters.
It is ADAM-5510M/E16 position PC programming Industry Control CPU module that CPU module 2 is selected the model of grinding the production of China (China) Co., Ltd for use, has the function of Industry Control PLC, uses C Programming with Pascal Language environment, is convenient to work out the serial communication program.Because adopt 16 bit CPU chips,, improved the speed of service, disposal ability and enlarged interface than 8 bit CPUs of general PLC controller.CPU module 2 is mainly born start-stop control, the state of each air conditioner in the transformer station and is collected and state control, operational factor setting and collection, fault-signal collection and warning.
Touch display screen 1 is selected the Eview touch display screen for use, and (6 ") are mainly born system's setting and information and are shown, can make full use of the service ability of CPU module 2, have eliminated the host computer equipment of general design, have greatly improved system reliability and economy.
Analog quantity input module 3 adopts and grinds magnificent ADAM-5013 analog quantity input module, has the input of 8 tunnel difference, can insert 8 road sensor input signals, and input signal polytype able to programme, can adapt to the needs of various application scenarios.In this automatic control system embodiment, analog quantity input module 31 links to each other with an indoor temperature transmitter with two outdoor temperature sensor; Analog quantity input module 32 links to each other with three indoor temperature transmitters.By such 6 temperature sensors, can detect transformer station's indoor and outdoor temperature in real time, for CPU module 2 operation control strategies provide foundation.
Relay output module 4 is selected for use and is ground magnificent ADAM-5068 relay output module, and 8 tunnel outputs are arranged, and the contact connecting-disconnecting function is AC 220V/2A, can satisfy the control ability of exhaust blower or general device.In this automatic control system embodiment, relay output module 4 links to each other with four exhaust blowers 7, No. one alarm buzzer and indicator lamp 9, and has one tunnel warning output 8.
Air-conditioning interface 5 is based on the module of 485 universal serial bus, and is relevant with the kind of employed air conditioner.In this automatic control system embodiment, adopt big King Company central air conditioning equipment, three air-conditioning interfaces 5 all adopt the serial communication plate of big King Company, connect 3 air conditioners under every block of serial communication plate.Wherein air conditioner 10, the air-conditioning interface 53 in two air-conditioning interface connection device chambers 51,52 is used for connecting air conditioner 12 in control room air conditioner 11 and the battery room.
In sum, at the operation present situation of single-brand air conditioner in the transformer station, air conditioner ventilating system is introduced automatic control technology becomes possibility.Adopt PC programming Industry Control CPU module, by peripheral interface circuit and temperature sensor, the operation control strategy of making rational planning for can effectively reduce power consumption in the station, gets rid of the interference of human factor to operation of air conditioner in the transformer station.
Referring to Fig. 2, the present invention also provides a kind of air conditioner ventilation autocontrol method that is used for single-brand air conditioner of transformer substation, realizes by CPU module and connected touch display screen, comprises the following steps:
Initialization step: CPU module, touch display screen are carried out initialization;
The data analysis treatment step: the CPU module is accepted the scene temperature measured value in real time by the indoor and outdoor temperature sensor and is done corresponding data analysis and handle;
Parameter modification and set-up procedure:, the parameter of system's setting is made amendment and adjust by touch display screen according to the data analysis result;
Judge the mode of operation step of CPU module:
If manual mode, i.e. " Artificial Control pattern " then enters corresponding manual mode and handles, and selects running time, for example: 1 hour, 2 hours etc., when arriving this of point, then be back to intelligent mode voluntarily running time;
If intelligent mode, i.e. " automatic control mode ", then to the intelligence refrigeration, heating mode is judged and handle;
Control air conditioner start-stop step: according to the mode of operation result of determining, control the start-stop state of air conditioner, and adjust the operational factor of air conditioner with the temperature detection numerical value that obtains in real time;
Start and stop the exhaust blower switch:, start and stop exhaust blower and carry out the indoor and outdoor heat exchange according to indoor and outdoors Temperature numerical and relation each other;
Troubleshooting step: if the system failure is carried out corresponding failure and handled.
The inventive method is at first carried out initialization to CPU module, touch display screen on the whole, mainly comprises native system CPU module mode of operation, determines that it still is the Based Intelligent Control pattern that the CPU module is operated in manual mode; Bear the setting of system control parameters simultaneously, the parameter of all kinds of Temperature numerical and departure promptly is set.
In this automatic control system running, the CPU module obtains the scene temperature measured value in real time and does corresponding data statistic analysis and processing by the indoor and outdoor temperature sensor.According to the temperature data and the data analysis result of institute's actual detected, will make amendment and adjust the parameter of system's setting.
After the Temperature numerical that obtains actual test, transformer station's indoor and outdoor temperature and system control parameters are analyzed, and comprise the indoor/outdoor temperature-difference situation, with the start-stop mode of next step air conditioner of decision and the operational factor of air conditioner.How to implement to air conditioner operation, main be provided with by original initialization in given CPU module mode of operation.If manual mode, i.e. " Artificial Control pattern " then enters corresponding manual mode and handles; If intelligent mode, i.e. " automatic control mode ", then to the intelligence refrigeration, heating mode is judged and handle.Just, control the start-stop state of air conditioner, and adjust and be provided with the operational factor of air conditioner with the temperature detection numerical value that obtains in real time according to the mode of operation result of determining.In order to reach energy-conservation effect, according to indoor and outdoors Temperature numerical and relation each other, start and stop exhaust blower and carry out the indoor and outdoor heat exchange sometimes.
Below embodiment has been described in detail the present invention in conjunction with the accompanying drawings, and those skilled in the art can make the many variations example to the present invention according to the above description.Thereby some details among the embodiment should not constitute limitation of the invention, and the scope that the present invention will define with appended claims is as protection scope of the present invention.

Claims (8)

1. air conditioning ventilation automatic control system that is used for single-brand air conditioner of transformer substation, it is characterized in that, comprise a PC programming Industry Control CPU module, a touch display screen, the air-conditioning interface of N air-conditioning system, M analog quantity input module, relay output module and be arranged on several on-the-spot indoor and outdoor temperature sensors, wherein, described CPU module is connected with the air-conditioning interface of described touch display screen and described each air-conditioning system respectively by 485 universal serial bus, and described CPU module also directly is connected with a relay output module with described each analog quantity input module, described each analog quantity input module links to each other with several indoor and outdoor temperature sensors respectively, wherein N, M is respectively natural number.
2. automatic control system according to claim 1 is characterized in that N equals 3.
3. automatic control system according to claim 1 and 2 is characterized in that M equals 2.
4. automatic control system according to claim 1, it is characterized in that, the air-conditioning interface of described air-conditioning system has also connected some controlled object air conditioners, described relay output module links to each other with several exhaust blowers, alarm buzzer and the indicator lamp in the external world, and alarm signal output is arranged.
5. automatic control system according to claim 1 is characterized in that, two in described three air-conditioning interfaces are used for connecting the air conditioner of ancillary equipment chamber, an air conditioner that is used for connecting peripheral control room and peripheral battery room.
6. air conditioner ventilation autocontrol method that is used for single-brand air conditioner of transformer substation is realized by CPU module and connected touch display screen, comprises the following steps:
Initialization step: CPU module, touch display screen are carried out initialization;
The data analysis treatment step: the CPU module is accepted the scene temperature measured value in real time by the indoor and outdoor temperature sensor and is done corresponding data analysis and handle;
Parameter modification and set-up procedure:, the parameter of system's setting is made amendment and adjust by touch display screen according to the data analysis result;
Judge the mode of operation step of CPU module:
If manual mode, i.e. " Artificial Control pattern " then enters corresponding manual mode and handles, and selects running time, when arriving this of point, then is back to intelligent mode voluntarily running time;
If intelligent mode, i.e. " automatic control mode ", then to the intelligence refrigeration, heating mode is judged and handle;
Control air conditioner start-stop step: according to the mode of operation result of determining, control the start-stop state of air conditioner, and adjust the operational factor of air conditioner with the temperature detection numerical value that obtains in real time;
Start and stop the exhaust blower switch:, start and stop exhaust blower and carry out the indoor and outdoor heat exchange according to indoor and outdoors Temperature numerical and relation each other;
Troubleshooting step: if the system failure is carried out corresponding failure and handled.
7. air conditioner ventilation autocontrol method according to claim 6 is characterized in that: the touch display screen initialization content in the described initialization step comprises: the setting of system works pattern and system control parameters.
8. according to claim 6 or 7 described air conditioner ventilation autocontrol methods, it is characterized in that: described touch display screen comprises the parameter of all kinds of temperature and departure to the parameter of system's setting.
CN2008102003329A 2008-09-24 2008-09-24 Air conditioning ventilation automatic control system and method for single-brand air conditioner of transformer substation Active CN101684962B (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101995071A (en) * 2010-08-05 2011-03-30 上海精普机电科技有限公司 Remote valve control method
CN102635924A (en) * 2012-03-27 2012-08-15 上海市电力公司 Automatically controlled energy saving system for 10kV power distribution station
CN102635922A (en) * 2012-03-27 2012-08-15 上海市电力公司 Work environment monitoring and adjusting system for 10kV power distribution station
CN104504836A (en) * 2015-01-09 2015-04-08 广州市泰昌实业有限公司 Data information collecting device and method for natural gas fire alarm system
CN104638550A (en) * 2014-12-12 2015-05-20 国家电网公司 Transformer room ventilating device of mobile power supply vehicle
CN102635923B (en) * 2012-03-27 2017-07-18 上海市电力公司 The control method of 10kV power distribution station automatic control energy-saving systems

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2531357Y (en) * 2002-02-09 2003-01-15 淄博中瑞电气有限公司 Unattended substation malfunction comprehensive early warning apparatus
CN1300517C (en) * 2004-10-11 2007-02-14 宁波华液机器制造有限公司 Energy saving control system of frequency conversion in use for central air condition
CN200959085Y (en) * 2006-09-29 2007-10-10 沈阳市天星汽车电器有限公司 Controlling circuit of intelligent air-conditioner for automobile
CN201281427Y (en) * 2008-09-24 2009-07-29 上海南区节电科技开发有限公司 Air conditioner ventilation automatic control system for multi-brand air conditioner of transformer substation

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101995071A (en) * 2010-08-05 2011-03-30 上海精普机电科技有限公司 Remote valve control method
CN101995071B (en) * 2010-08-05 2013-01-02 上海精普机电科技有限公司 Remote valve control method
CN102635924A (en) * 2012-03-27 2012-08-15 上海市电力公司 Automatically controlled energy saving system for 10kV power distribution station
CN102635922A (en) * 2012-03-27 2012-08-15 上海市电力公司 Work environment monitoring and adjusting system for 10kV power distribution station
CN102635923B (en) * 2012-03-27 2017-07-18 上海市电力公司 The control method of 10kV power distribution station automatic control energy-saving systems
CN104638550A (en) * 2014-12-12 2015-05-20 国家电网公司 Transformer room ventilating device of mobile power supply vehicle
CN104638550B (en) * 2014-12-12 2017-07-14 国家电网公司 The ventilation of transformer room device of mobile power vehicle
CN104504836A (en) * 2015-01-09 2015-04-08 广州市泰昌实业有限公司 Data information collecting device and method for natural gas fire alarm system

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