CN103822333A - Automatic control system for base station energy saving - Google Patents
Automatic control system for base station energy saving Download PDFInfo
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- CN103822333A CN103822333A CN201210464488.4A CN201210464488A CN103822333A CN 103822333 A CN103822333 A CN 103822333A CN 201210464488 A CN201210464488 A CN 201210464488A CN 103822333 A CN103822333 A CN 103822333A
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- base station
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- temperature sensor
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Abstract
The invention provides an automatic control system for base station energy saving. The automatic control system comprises a cooling air conditioner and a temperature sensor. The output end of the temperature sensor is connected with the input end of a PLC, and the output end of the PLC is connected to an electric air valve and the input end of a contactor. Operating power is supplied to the PLC and the electric air valve by a direct-current power supply. The output end of the contactor is connected with the cooling air conditioner. According to the system, the real-time detected temperature is compared with a set temperature and outside temperature, and the PLC starts relative equipment to cool, ventilate or heat, so that energy consumption is saved and service life of air conditioner equipment is protected; the operating situation of the air conditioner in the base station can be grasped through a monitor, control instructions can be sent in real time, the air conditioner in the base station can be controlled remotely, and the air conditioner can automatically process and operate normally under various working conditions in an unattended operation environment.
Description
Technical field
The present invention relates to control system technical field, be specifically related to a kind of automatic control system for base station energy-saving.
Background technology
China Mobile at present, CHINAUNICOM, China Telecom's communication base station, high-speed railway base station, microwave ground satellite station, computer rooms etc. are generally all in the automatic running status of unmanned, various electronic equipments in base station are all in long-term continual duty, in addition, base station is typically designed to sealing state, therefore the heat energy producing in various electronic equipment runnings must the indoor accumulation in base station, normally work in order to maintain equipment, must by means of special air-conditioning exchange heat outside base station, for electronic equipment provides desirable humiture environment, isolated the dust in external environment simultaneously, corrosive gas, extend the service life of electrical equipment, make electric/electronic device at temperature stabilization, under the condition of clean environment, work, thereby improve the reliability of electrical equipment work.。
And existing base station air conditioner technology, be generally the object that directly adopts air-conditioning to carry out sealed refrigeration to reach base station indoor and outdoor heat exchange, this just needs long-play air-conditioning, but base station unmanned, when outdoor temperature is during lower than indoor temperature, air-conditioning is still being opened.Open for a long time air-conditioning, not only can shorten the mechanical life of air-conditioning, and can expend in vain very large energy.According to authority statistics, the power consumption of communications equipment room is that telecom operators mainly consume energy, and base station air conditioner energy consumption generally accounts for 20% one 45% of communications equipment room energy consumption, have even up to more than 60%.Therefore, guaranteeing under the prerequisite of the normal operation of communication equipment, thereby how to make base station air conditioner operate in to reach in the management system of science effectively energy-conservation just aobvious particularly important.Guarantee, under operatorless environment, can automatically process for various working conditions, guarantee the normal operation of air-conditioning, protection air-conditioning critical piece, ensures the normal work of various instruments in base station.
Summary of the invention
The present invention will solve above-mentioned deficiency exactly, and a kind of automatic control system for base station energy-saving is provided, and ensures the normal work of various instruments in base station.
Reach above-mentioned effect, the invention provides a kind of automatic control system for base station energy-saving, comprise refrigeration air-conditioner and temperature sensor, the output of described temperature sensor is connected with the input of PLC controller, and the output of described PLC controller is connected with the input of Electric air valve, contactor respectively; Described PLC controller, Electric air valve provide working power by dc source, and the output of described contactor is connected with refrigeration air-conditioner.
Wherein the main air blower of refrigeration air-conditioner is also to provide working power by dc source, and compressor, the mechanical, electrical heat pipe of exogenous wind are to be all connected its working power is provided with civil power 220V AC power.Under normal operation, dc source and AC power are powered simultaneously, and in this device, equipment is all in energising duty; In the time of mains failure, dc source still can be powered to main air blower, air-valve, controller as battery, guarantees that they normally work, and ensures the ventilation of inside of base station and naturally cooling.
Described temperature sensor comprises indoor temperature transmitter, outdoor temperature sensor, leaving air temp sensor and coil temperature sensor.
The input of described PLC controller is also connected with holding circuit, and the output of PLC controller is connected with display screen.
Described PLC controller is connected by RS485 communication protocol and watch-dog are interactive, can grasp in real time by watch-dog the ruuning situation of air-conditioning in base station, and can send in real time control instruction, realizes the policer operation to base station air conditioner.
Described Electric air valve is connected with dc source by Switching Power Supply, and Switching Power Supply is the working power 24V to Electric air valve by the power supply transformation of 48V, has ensured the performance of Electric air valve.
Operation principle of the present invention is as follows:
The indoor temperature that base station detected when temperature sensor is higher than design temperature, and outdoor temperature is during lower than indoor temperature, PLC controller drives Electric air valve unlatching, contactor to disconnect refrigeration system, compressor quits work, started the ventilation of air-conditioning system with naturally cooling, and the refrigeration system of air-conditioning quits work.Thereby the electric energy of saving, and protect the service life of air-conditioning system.
The indoor temperature that base station detected when temperature sensor is higher than design temperature, and outdoor temperature is during also higher than indoor temperature, and PLC controller drives contactor to connect refrigeration system, thereby starts compressor, outer blower fan work is freezed; Now Electric air valve is closed stuffy.
The indoor temperature that base station detected when temperature sensor is during lower than design temperature, and PLC controller drives contactor and the electrothermal tube of being located in evaporimeter to connect, and electrothermal tube is started working and carried out heat temperature raising.Its compressor, the mechanical, electrical moving air-valve of exogenous wind etc. are not worked
This device is according to the temperature detecting in real time and the contrast of design temperature and outdoor temperature, by PLC controller start relevant equipment as above sequential mode freeze, ventilate or heat.
In this device, main air blower is to carry out work always, in process of refrigerastion, accelerates refrigeration as the blower fan of evaporimeter; And in gravity-flow ventilation process, main air blower accelerates circulation of air, ensure the cooling effect of nature.
High-low pressure, the electrothermal tube overload of holding circuit to compressor protected with civil power loop etc., and sent in time alarm signal; In the time that compressor reaches high and low protection, report to the police and stop compressor operating; In the time that electrothermal tube transships, receive a crime report and stop heating master; In the time that coil temperature sensor detects coil temperature lower than-2 degrees Celsius, it is defrosted, and forbid compressor start, wait while reaching 6 degrees Celsius and just remove the warning to compressor, realize the protection to compressor.
So beneficial effect of the present invention is embodied in:
1, this device, according to the temperature detecting in real time and the contrast of design temperature and outdoor temperature, starts relevant equipment by PLC controller and freezes, ventilates or heat, thereby saved energy consumption, and protected the service life of air-conditioning equipment.
2, grasp in real time the ruuning situation of air-conditioning in base station by watch-dog, and can send in real time control instruction, realize the remote monitoring to base station air conditioner, guarantee that air-conditioning is under operatorless environment, can automatically process, normally move for various working conditions.
3, duplicate supply pattern has ensured inside of base station environment, and in the time of mains failure, battery still can be powered to main air blower, air-valve, controller, guarantees that they normally work, and ensures the ventilation of inside of base station and naturally cooling.
4, main air blower is to carry out work always, in process of refrigerastion, accelerates refrigeration as the blower fan of evaporimeter; And in gravity-flow ventilation process, main air blower accelerates circulation of air, ensure the cooling effect of nature.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Fig. 1 is principle of the invention block diagram;
In Fig. 1: 1-PLC controller, 2-temperature sensor, 2-1-outdoor temperature sensor; 2-2-indoor temperature transmitter; 2-3-leaving air temp sensor, 2-4-coil temperature sensor, 3-holding circuit; 4-Switching Power Supply; 5-Electric air valve, 6-refrigeration air-conditioner, 7-contactor; 8-watch-dog, 9-display screen.
The specific embodiment
As shown in Figure 1, the invention provides a kind of automatic control system for base station energy-saving, comprise refrigeration air-conditioner 6 and temperature sensor 2, the output of described temperature sensor 2 is connected with the input of PLC controller 1, and the output of described PLC controller 1 is connected with the input of Electric air valve 5, contactor 7 respectively; Described PLC controller 1, Electric air valve 5 provide working power by dc source, and Electric air valve 5 is connected with 48V dc source by Switching Power Supply 4.The output of described contactor 7 is connected with refrigeration air-conditioner 6; Described temperature sensor 2 comprises indoor temperature transmitter 2-2, outdoor temperature sensor 2-1, leaving air temp sensor 2-3 and coil temperature sensor 2-4.The input of PLC controller 1 is also connected with holding circuit 3, and the output of PLC controller 1 is connected with display screen 9, and PLC controller 1 is connected with watch-dog 8 is interactive by RS485 communication protocol.
Wherein PLC controller, Electric air valve provide working power by 48V dc source, and Electric air valve is connected with 48V dc source by Switching Power Supply, and Switching Power Supply is the working power 24V to Electric air valve by the power supply transformation of 48V, have ensured the performance of Electric air valve.And compressor, the mechanical, electrical heat pipe of exogenous wind and to contact 7 be all to provide its working power by civil power 220V AC power in air-conditioning refrigeration system.Under normal operation, dc source and AC power are powered simultaneously, and in this device, equipment is all in energising duty; In the time of mains failure, dc source still can be powered to main air blower, air-valve, controller as battery, guarantees that they normally work, and ensures the ventilation of inside of base station and naturally cooling.
The indoor temperature that base station detected when temperature sensor is higher than design temperature, and outdoor temperature is during lower than indoor temperature, PLC controller drives Electric air valve unlatching, contactor to disconnect refrigeration system, compressor quits work, started the ventilation of air-conditioning system with naturally cooling, and the refrigeration system of air-conditioning quits work.Thereby the electric energy of saving, and protect the service life of air-conditioning system.
The indoor temperature that base station detected when temperature sensor is higher than design temperature, and outdoor temperature is during also higher than indoor temperature, and PLC controller drives contactor to connect refrigeration system, thereby starts compressor, outer blower fan work is freezed; Now Electric air valve is closed stuffy.
The indoor temperature that base station detected when temperature sensor is during lower than design temperature, and PLC controller drives contactor and the electrothermal tube of being located in evaporimeter to connect, and electrothermal tube is started working and carried out heat temperature raising.Its compressor, the mechanical, electrical moving air-valve of exogenous wind etc. are not worked.
So this device is according to the temperature detecting in real time and the contrast of design temperature and outdoor temperature, starts relevant equipment and freezes, ventilates or heat, thereby saved energy consumption, and protected the service life of air-conditioning equipment by PLC controller.Grasp in real time the ruuning situation of air-conditioning in base station by watch-dog, and can send in real time control instruction, realize the remote monitoring to base station air conditioner, guarantee that air-conditioning is under operatorless environment, can automatically process, normally move for various working conditions.The duplicate supply pattern of this device has ensured inside of base station environment, and in the time of mains failure, battery still can be powered to main air blower, air-valve, controller, guarantees that they normally work, and ensures the ventilation of inside of base station and naturally cooling.In addition, main air blower is to carry out work always, in process of refrigerastion, accelerates refrigeration as the blower fan of evaporimeter; And in gravity-flow ventilation process, main air blower accelerates circulation of air, ensure the cooling effect of nature.High-low pressure, the electrothermal tube overload of holding circuit to compressor protected with civil power loop etc., and sends in time alarm signal, realizes the each equipment in device is protected.
Above-described embodiment is described the preferred embodiment of the present invention; not scope of the present invention is limited; design under the prerequisite of spirit not departing from the present invention; various distortion and improvement that those of ordinary skills make technical scheme of the present invention, all should fall in the definite protection domain of the claims in the present invention book.
Claims (5)
1. the automatic control system for base station energy-saving, comprise refrigeration air-conditioner and temperature sensor, it is characterized in that: the output of described temperature sensor is connected with the input of PLC controller, the output of described PLC controller is connected with the input of Electric air valve, contactor respectively; Described PLC controller, Electric air valve provide working power by dc source, and the output of described contactor is connected with refrigeration air-conditioner.
2. a kind of automatic control system for base station energy-saving according to claim 1, is characterized in that: described temperature sensor comprises indoor temperature transmitter, outdoor temperature sensor, leaving air temp sensor and coil temperature sensor.
3. a kind of automatic control system for base station energy-saving according to claim 1, is characterized in that: the input of described PLC controller is also connected with holding circuit, and the output of PLC controller is connected with display screen.
4. a kind of automatic control system for base station energy-saving according to claim 1, is characterized in that: described PLC controller is connected by RS485 communication protocol and watch-dog are interactive.
5. a kind of automatic control system for base station energy-saving according to claim 1, is characterized in that: described Electric air valve is connected with dc source by Switching Power Supply.
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Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210464488.4A CN103822333A (en) | 2012-11-17 | 2012-11-17 | Automatic control system for base station energy saving |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210464488.4A CN103822333A (en) | 2012-11-17 | 2012-11-17 | Automatic control system for base station energy saving |
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| CN103822333A true CN103822333A (en) | 2014-05-28 |
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| CN201210464488.4A Pending CN103822333A (en) | 2012-11-17 | 2012-11-17 | Automatic control system for base station energy saving |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106678954A (en) * | 2016-12-30 | 2017-05-17 | 合肥舒实工贸有限公司 | Intelligent indoor temperature controller |
| CN108444007A (en) * | 2018-03-20 | 2018-08-24 | 苏州国科综合数据中心有限公司 | The low-temperature receiver intelligence control system of data center's building refrigeration |
| CN109982453A (en) * | 2017-12-27 | 2019-07-05 | 上海共联通信信息发展有限公司 | A kind of unattended mobile base station |
-
2012
- 2012-11-17 CN CN201210464488.4A patent/CN103822333A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106678954A (en) * | 2016-12-30 | 2017-05-17 | 合肥舒实工贸有限公司 | Intelligent indoor temperature controller |
| CN109982453A (en) * | 2017-12-27 | 2019-07-05 | 上海共联通信信息发展有限公司 | A kind of unattended mobile base station |
| CN108444007A (en) * | 2018-03-20 | 2018-08-24 | 苏州国科综合数据中心有限公司 | The low-temperature receiver intelligence control system of data center's building refrigeration |
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Application publication date: 20140528 |