CN102945056A - Box type temperature and humidity control system - Google Patents
Box type temperature and humidity control system Download PDFInfo
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- CN102945056A CN102945056A CN2012104574171A CN201210457417A CN102945056A CN 102945056 A CN102945056 A CN 102945056A CN 2012104574171 A CN2012104574171 A CN 2012104574171A CN 201210457417 A CN201210457417 A CN 201210457417A CN 102945056 A CN102945056 A CN 102945056A
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Abstract
The invention discloses a box type temperature and humidity control system. A temperature and humidity sensor, a temperature and humidity collecting circuit, a temperature and humidity transducing circuit, a temperature and humidity test and control device and a temperature and humidity remote control monitoring system are sequentially connected, the temperature and humidity collecting circuit is also connected with a temperature and humidity output circuit, an automatic controller and a manual controller are respectively connected with the temperature and humidity output circuit and are also connected with a temperature and humidity control system, an air exhaust regulating system and a dehumidification regulating system are respectively connected with the temperature and humidity control system, the electricity of the temperature and humidity collecting circuit, the air exhaust regulating system and the dehumidification regulating system is supplied by an alternating current power supply, and the electricity of the temperature and humidity control system is supplied by a direct current power supply. The box type temperature and humidity control system has the advantages that the manual operation and the automatic operation of the dehumidification and air exhaust operation of a switch cabinet can be realized, the automation level and the intelligentization level of the control system are improved, and the like.
Description
Technical field
The present invention relates to a kind of box temperature and humidity control system.
Background technology
Along with the fast development of electric utility, the continuous expansion of electrical network scale, it is also more and more higher that power supply reliability requires, and the converting equipment safe and reliable operation also seems and becomes more and more important.The little redundancy in box-type substation converting equipment space is little at present, and moistureproof problem can not effectively solve and easily cause the equipment condensation in addition, thereby causes the short circuit grounding fault of apparatus insulated puncture constantly to occur.
Conventional box change switch cubicle temperature and humidity control system is without telemetry function, can't carry out distant place control without remote signalling warning function, humiture in the existing electric system.When box changing environment humiture was unusual, in time operation cooling and dehydrating unit were to guarantee the device security reliability service.This work is very simple, and required time is also very short.But concentrator station can't the box alternating temperature humidity of Real Time Monitoring, must often send someone substation inspection and taking measures of operating personnel, the operations staff is in order to guarantee equipment safety operation, prevent the equipment condensation and be forced to frequently travel to and fro between the scene, workflow is loaded down with trivial details, inefficiency has all brought certain risk and loss for line producers and power supply unit.In case can not in time operate cooling and dehumidifying, can't guarantee the safe and reliable operation of equipment, will bring very large loss to the people's life and property in case accident occurs.
Summary of the invention
The present invention is the weak point that exists in the above-mentioned prior art for avoiding, and a kind of box temperature and humidity control system is provided, take can be in time as the switch cubicle cool-down dehumidification, guarantee the switch cubicle safe operation.
The present invention be the technical solution problem by the following technical solutions.
Box temperature and humidity control system, its design feature is to comprise Temperature Humidity Sensor, humiture collection circuit, humiture transmission circuit, humiture measure and control device, humiture remote supervision system, humiture output circuit, self-actuated controller, manual controller, temperature and humidity control system, air draft regulating system and dehumidifying regulating system; Described Temperature Humidity Sensor, humiture collection circuit, humiture transmission circuit, humiture measure and control device and humiture remote supervision system are connected successively; Described humiture collection circuit also is connected with described humiture output circuit, and described self-actuated controller is connected with the humiture output circuit, and described manual controller is connected with temperature and humidity control system; Described air draft regulating system all is connected with described temperature and humidity control system with the dehumidifying regulating system; Described humiture collection circuit, air draft regulating system and dehumidifying regulating system are by ac power supply, and described temperature and humidity control system is by DC power supply.
The design feature of box temperature and humidity control system of the present invention also is:
Described dehumidifying regulating system comprises dehumidifier, and described air draft regulating system comprises exhaust fan.
Compared with the prior art, beneficial effect of the present invention is embodied in:
Box temperature and humidity control system of the present invention, adopt linear quadratic control and motion technology to combine, in the process of the test, testing crew passes through the measured value of box alternating temperature humidity, off-limit alarm signal, be transferred to concentrator station,, according to the off-limit alarm of temperature and humidity measurement value box change air draft dehydrating unit manually controlled by the concentrator station operating personnel, by the dehumidify automatic operation of air draft of automatic control branch road, realize monitoring and control to box alternating temperature humidity simultaneously.The present invention has effectively solved traditional box alternating temperature humidity and has controlled manually, can not satisfy the problem of transformer station's collection controlization management.
Box temperature and humidity control system of the present invention has manual operation and the automatic operation that can realize switch cubicle dehumidifying air draft operation, the advantages such as the gentle intelligent level of Automated water that improved control system.
Description of drawings
Fig. 1 is the structured flowchart of box temperature and humidity control system of the present invention.
Fig. 2 is the moistureproof temperature control DC control figure of box temperature and humidity control system of the present invention.
Fig. 3 is the schematic diagram of the humiture remote measurement of box temperature and humidity control system of the present invention.
Fig. 4 is the schematic diagram of the dehumidifying remote control of box temperature and humidity control system of the present invention.
Fig. 5 is the schematic diagram of the air draft dehumidifying remote signalling of box temperature and humidity control system of the present invention.
Fig. 6 is that the moistureproof temperature control of box temperature and humidity control system of the present invention exchanges control chart.
Below pass through embodiment, and the invention will be further described by reference to the accompanying drawings.
Embodiment
Referring to Fig. 1～Fig. 6, box temperature and humidity control system comprises Temperature Humidity Sensor, humiture collection circuit, humiture transmission circuit, humiture measure and control device, humiture remote supervision system, humiture output circuit, self-actuated controller, manual controller, temperature and humidity control system, air draft regulating system and dehumidifying regulating system; Described Temperature Humidity Sensor, humiture collection circuit, humiture transmission circuit, humiture measure and control device and humiture remote supervision system are connected successively; Described humiture collection circuit also is connected with described humiture output circuit, and described self-actuated controller is connected with the humiture output circuit, and described manual controller is connected with temperature and humidity control system; Described air draft regulating system all is connected with described temperature and humidity control system with the dehumidifying regulating system; Described humiture collection circuit, air draft regulating system and dehumidifying regulating system are by ac power supply, and described temperature and humidity control system is by DC power supply.
Under manual mode, by the humiture parameter in the Temperature Humidity Sensor detector switch cabinet, in real time the humiture value that temperature sensor detects is gathered by the humiture collection circuit, the humiture collection circuit passes to respectively humiture transmission circuit and humiture output circuit with the humiture data that collect.The humiture transmission circuit is crossed the humiture measure and control device with the humiture data communication device and is passed to the humiture remote supervision system, the humiture remote supervision system is connected with described distant place control loop, send distant place steering order to distant place control loop by operating personnel by the humiture remote supervision system, by a distant place control loop steering order that operating personnel provide is issued temperature and humidity control system, by temperature and humidity control system steering order is passed to air draft regulating system and dehumidifying regulating system, thereby realize the dehumidifying air draft operation of remote manual operation-control switch cabinet, can realize thus the manual operation of the air draft dehumidifying of switch cubicle, and can realize the remote manual operation, go to the scene and need not operating personnel, thereby made things convenient for staff's operation to control, improved the automatization level of control system.In addition, also can as required, carry out on-the-spot manual operation to the scene.
Under automatic mode, after the humiture data that humiture output circuit acquisition humiture collection circuit provides, the humiture data are passed to self-actuated controller, automatically produce steering order by self-actuated controller according to the humiture data, and steering order issued temperature and humidity control system, by temperature and humidity control system steering order is passed to air draft regulating system and dehumidifying regulating system, thereby realize the automatic operation of the dehumidifying air draft operation of switch cubicle, need not the dehumidifying air draft that staff's operation can realize switch cubicle, improved the intelligent level of control system.Box temperature and humidity control system changes the humiture that concentrator station can the box switch cubicle of Real-Time Monitoring, warning message and system state are very clear, can convenient and reliable switching dehumidifier and the auxiliary system equipment such as fan heater adjust the humiture of box switch cubicle; Reach and ensure safety and the purpose of energy efficiency, filled up this technological gap.System comprises altogether: dehumidifier, exhaust fan, auxiliary reclay, A.C. contactor, switch, switching push button, air switch, temperature and humidity controller (being with 0～5V voltage transmission), measurement and telechiric device etc.
Box temperature and humidity control system is being established on humiture remote measurement, remote signalling and the control strategy basis, jointly build an intellectuality, reliable easy-to-use box alternating temperature humidity control system with the concentrator station monitoring system platform, realized the various functions of box alternating temperature humidity control.Box temperature and humidity control system of the present invention by two controllers and two-way control branch road, is realized respectively manual operation and the automatic operation of switch cubicle dehumidifying air draft operation, has improved the gentle intelligent level of Automated water of control system.
Described dehumidifying regulating system comprises dehumidifier, and described air draft regulating system comprises exhaust fan.
Box temperature and humidity control system of the present invention has following technical characterstic.
1, adopt temperature and humidity controller and background system to realize the teletransmission of temperature control moistureproof system humiture.(1) temperature and humidity controller must satisfy following change and send requirement: temperature survey becomes send function (0～5V voltage signal), and moisture measurement becomes send function (0～5V voltage signal).(2) send the voltage signal into 0～5V by temperature and humidity controller with the change of temperature and humidity measurement value, transfer to synthesis observe and control device 0～5V DC quantity collector, with voltage signal * corresponding coefficient, change the temperature and humidity measurement value into, with humiture alerting signal and exhaust fan state access synthesis observe and control device, by transformer station's communication manager remote measurement, remote signalling are transmitted, reach again backstage and collection control main website.(3) on-the-spot background computer defines box change remote measurement amount, remote signalling period by background database manager software, and recycling backstage graphics management software shows box alternating temperature humidity remote measurement amount, remote signalling amount.(4) collection control main website utilization scheduling complex automatic system, box alternating temperature humidity telemetry, remote signalling amount that transformer station is transmitted define in the SCADA database, and the recycling drawing software shows box alternating temperature humidity telemetry and remote signalling amount in control desk.
2, realize the temperature control moistureproof system on the spot, distant place control and automatic switching, reliably realize the temperature control moistureproof system on the spot, distant place control and automatic switching principle.
Can find out by we the moistureproof temperature-controlling system alternating current-direct current figure of designed, designed, system running pattern has following several mode:
(1) manual mode: A) on-site manual: according to on-the-spot humiture off-limit alarm signal, by the manual switching button, excise after the startup of control air draft dehydrating unit; B) concentrator station remote operation: according to backstage and main website humiture off-limit alarm signal, by concentrator station or distant minute of background computer, distant closing, startup and the excision of control exhaust fan and dehumidifier.
(2) automatic mode: under automatic mode, upper temperature limit is set to 30 ℃, and top limit of humidity is set to 80 degree, and the temperature and humidity controller return difference is set to 3 degree, when temperature controller sends humiture off-limit alarm signal, starts air exhausting device.When temperature drops to 27 ℃, humidity drops to 77 temperature controllers when spending and reports to the police and return the excision air exhausting device.
In Fig. 2～Fig. 6,1ZJ, 2ZJ, 3ZJ and 4ZJ are auxiliary reclays, and 1ZJ is used for realizing the function of manual switching, and 2ZJ is used for realizing the function of distant place switching, 3ZJ is used for the startup ac contactor coil as exhaust blower, and 4ZJ is used for the automatic switching function under the realization automatic mode.SJ and WJ are respectively as temperature and humidity controller humidity off-limit alarm contact and temperature and humidity controller temperature beyond limit warning contact.JC is A.C. contactor, is used for control switching exhaust fan AC power.JK is alternating current air switch, is used for the ac power supply circuit protection.LJ1 is the current relay contact, is used for control dehydrating unit state.
Claims (2)
1. box temperature and humidity control system, it is characterized in that, comprise Temperature Humidity Sensor, humiture collection circuit, humiture transmission circuit, humiture measure and control device, humiture remote supervision system, humiture output circuit, self-actuated controller, manual controller, temperature and humidity control system, air draft regulating system and dehumidifying regulating system.
Described sensor, humiture collection circuit, humiture transmission circuit, humiture measure and control device and humiture remote supervision system are connected successively; Described humiture collection circuit also is connected with described humiture output circuit, and described self-actuated controller is connected with the humiture output circuit, and described manual controller is connected with temperature and humidity control system; Described air draft regulating system all is connected with described temperature and humidity control system with the dehumidifying regulating system; Described humiture collection circuit, air draft regulating system and dehumidifying regulating system are by ac power supply, and described temperature and humidity control system is by DC power supply.
2. box temperature and humidity control system according to claim 1, described dehumidifying regulating system comprises dehumidifier, described air draft regulating system comprises exhaust fan.
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| CN2012104574171A CN102945056A (en) | 2012-11-14 | 2012-11-14 | Box type temperature and humidity control system |
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| CN2012104574171A CN102945056A (en) | 2012-11-14 | 2012-11-14 | Box type temperature and humidity control system |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103365324A (en) * | 2013-07-29 | 2013-10-23 | 南方电网科学研究院有限责任公司 | Pollution test constant-temperature constant-humidity placing device for long string of composite insulators |
| CN103760937A (en) * | 2014-02-13 | 2014-04-30 | 常熟市润丰农业有限公司 | Temperature and humidity monitoring equipment |
| CN104076848A (en) * | 2014-07-21 | 2014-10-01 | 国家电网公司 | Gradient control method for switching load in temperature and humidity regulating system of control cubicle |
| CN104111677A (en) * | 2014-06-13 | 2014-10-22 | 中国石油化工股份有限公司 | Temperature and humidity adjusting device for safety test chamber system |
| CN104360623A (en) * | 2014-12-09 | 2015-02-18 | 国网上海市电力公司 | Method for controlling heater switch in power distribution cabinet |
| CN104793671A (en) * | 2015-05-08 | 2015-07-22 | 林嘉承 | Temperature and humidity regulating system and temperature and humidity regulating method of control cubicle of intelligent substation |
| CN105022433A (en) * | 2015-06-15 | 2015-11-04 | 安徽瀚洋节能科技有限公司 | A ventilation and dehumidification type switch cabinet |
| CN106286363A (en) * | 2016-09-30 | 2017-01-04 | 国家电网公司 | High-tension distribution chamber of converting exhaust fan automaton and method |
| CN108089607A (en) * | 2017-12-13 | 2018-05-29 | 广东电网有限责任公司清远供电局 | A kind of dry air for bin produces and transport control system |
| US10055781B2 (en) | 2015-06-05 | 2018-08-21 | Boveda Inc. | Systems, methods and devices for controlling humidity in a closed environment with automatic and predictive identification, purchase and replacement of optimal humidity controller |
| US10909607B2 (en) | 2015-06-05 | 2021-02-02 | Boveda Inc. | Systems, methods and devices for controlling humidity in a closed environment with automatic and predictive identification, purchase and replacement of optimal humidity controller |
| CN112462827A (en) * | 2020-10-27 | 2021-03-09 | 国网山东省电力公司临沂供电公司 | Integrated monitoring and treatment method and system for environment of control cubicle |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103365324A (en) * | 2013-07-29 | 2013-10-23 | 南方电网科学研究院有限责任公司 | Pollution test constant-temperature constant-humidity placing device for long string of composite insulators |
| CN103760937A (en) * | 2014-02-13 | 2014-04-30 | 常熟市润丰农业有限公司 | Temperature and humidity monitoring equipment |
| CN104111677A (en) * | 2014-06-13 | 2014-10-22 | 中国石油化工股份有限公司 | Temperature and humidity adjusting device for safety test chamber system |
| CN104076848A (en) * | 2014-07-21 | 2014-10-01 | 国家电网公司 | Gradient control method for switching load in temperature and humidity regulating system of control cubicle |
| CN104360623A (en) * | 2014-12-09 | 2015-02-18 | 国网上海市电力公司 | Method for controlling heater switch in power distribution cabinet |
| CN104793671A (en) * | 2015-05-08 | 2015-07-22 | 林嘉承 | Temperature and humidity regulating system and temperature and humidity regulating method of control cubicle of intelligent substation |
| US10055781B2 (en) | 2015-06-05 | 2018-08-21 | Boveda Inc. | Systems, methods and devices for controlling humidity in a closed environment with automatic and predictive identification, purchase and replacement of optimal humidity controller |
| US10909607B2 (en) | 2015-06-05 | 2021-02-02 | Boveda Inc. | Systems, methods and devices for controlling humidity in a closed environment with automatic and predictive identification, purchase and replacement of optimal humidity controller |
| CN105022433A (en) * | 2015-06-15 | 2015-11-04 | 安徽瀚洋节能科技有限公司 | A ventilation and dehumidification type switch cabinet |
| CN106286363A (en) * | 2016-09-30 | 2017-01-04 | 国家电网公司 | High-tension distribution chamber of converting exhaust fan automaton and method |
| CN108089607A (en) * | 2017-12-13 | 2018-05-29 | 广东电网有限责任公司清远供电局 | A kind of dry air for bin produces and transport control system |
| CN112462827A (en) * | 2020-10-27 | 2021-03-09 | 国网山东省电力公司临沂供电公司 | Integrated monitoring and treatment method and system for environment of control cubicle |
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Owner name: STATE ELECTRIC NET CROP. Free format text: FORMER OWNER: ANHUI ELECTRIC POWER CORPORATION, XUANCHENG POWER SUPPLY COMPANY Effective date: 20131028 Owner name: XUANCHENG POWER SUPPLY COMPANY, STATE GRID ANHUI E Effective date: 20131028 |
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Free format text: CORRECT: ADDRESS; FROM: 242000 XUANCHENG, ANHUI PROVINCE TO: 100031 XICHENG, BEIJING |
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Effective date of registration: 20131028 Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Applicant after: State Grid Corporation of China Applicant after: Xuancheng Power Supply Company, State Grid Anhui Electric Power Company Address before: 242000 Xuancheng Province, Xuanzhou District, Ao Feng Road, No. 32, No. Applicant before: Xuancheng Power Supply Co., Ltd., Anhui Electric Power Co., Ltd. |
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Application publication date: 20130227 |