CN201779811U - Air-conditioner energy saving equipment of base station machine room - Google Patents
Air-conditioner energy saving equipment of base station machine room Download PDFInfo
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- CN201779811U CN201779811U CN2010205152525U CN201020515252U CN201779811U CN 201779811 U CN201779811 U CN 201779811U CN 2010205152525 U CN2010205152525 U CN 2010205152525U CN 201020515252 U CN201020515252 U CN 201020515252U CN 201779811 U CN201779811 U CN 201779811U
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Abstract
Air-conditioner energy saving equipment of a base station machine room resolves the problem of high power consumption and short service life of the existing air-conditioners, and comprises a casing and an automatic control loop assembled inside the casing. The technical scheme includes that a temperature acquisition control unit is arranged in the automatic control loop, acquired temperature analog values are divided into three channels by a room temperature sensor, an air return hole temperature sensor and an air outlet temperature sensor and then are transmitted according to the form as follows: the first channel of temperature analog values is changed into digital signals through an analog-digital conversion chip, the second channel of temperature analog values is changed into voltage signals through a current/voltage conversion chip of a work mode control unit, and the third channel of temperature analog values is changed into voltage values through a current sensor in a fault detection and repair unit; and a pulse driver in a temperature compensating unit sends pulse signals to drive a semiconductor refrigerator to work, thereby implementing real-time dynamic compensating control. The air-conditioner energy saving equipment is reasonable in design, can be adaptable to change of working states of air-conditioners automatically, shows fault in time, realizes automatic recovery of fault, prolongs service life of air-conditioners greatly and increases energy saving effect.
Description
Technical field
The utility model relates to a kind of air conditioner controller, particularly a kind of base station machine room air conditioner energy saving equipment with fault detection in real time and automatic repair function.It is mainly used in communication base station, machine room, and especially unattended base station, machine room keep temperature stabilization, are the operational efficiency that further improves its air conditioner, the energy-saving control device that prolongs the service life of air conditioner.
Background technology
For keeping the stable of base station, computer room temperature, existing communication base station, machine room generally all are provided with air conditioner.The automatic regulating system of existing air conditioner all extensively adopts definite value to regulate.Air conditioner itself exists treats the dead zone, because each compressor refrigeration system all is to control the startup of compressor or upload and shut down or unload according to the variation of suction temperature.For fear of high frequent ground start and stop (this will cause overheat of compressor even mechanical failure), must between the start and stop of compressor, there be a temperature difference (generally being set at 1 ℃), we claim this difference to be " dead band " or " treating the dead zone ".When temperature is higher than higher limit, compressor start or upload; When temperature is lower than lower limit, compressor shutdown or unloading.For example, being 24 ℃ with the refrigeration air-conditioner design temperature is example, and when the return air inlet temperature sensor detected room temperature and is higher than 25 ℃, control circuit instructed to compressor operating, compressor starts work.When return air inlet detected room temperature and is lower than 23 ℃, control circuit was given the compressor halt instruction, and compressor quits work.
Because of existing air conditioner can not be regulated the scope for the treatment of the dead zone of air-conditioning according to the temperature of reality and the relation of setting value, so cause the low usefulness operation of air conditioner.The frequent starting of its compressor and stopping under the situation of low usefulness can produce the frequent impact of bigger electric current to compressor, has influenced the service life of compressor of air conditioner.When guaranteeing communication base station, when computer room temperature is opened air conditioner for a long time, particularly be the annual operation of opening, the power consumption relatively more serious and service life that can reduce air conditioner greatly.
But because the existing energy saver that is provided with at mobile base station, air conditioner in machine room; can not protect compressor of air conditioner; and there is circuit to be connected with air-conditioning; the internal wiring that needs the change air-conditioning; so will influence the normal operation of air-conditioning when the energy saving optimizing device breaks down; and need the duty (freeze or heat) of manual adjustment equipment, also influence air-conditioning producer it is guaranteed to keep in good repair.At above-mentioned shortcoming, put down in writing a kind of air conditioner energy saving device at patent announcement number in for CN201382517Y " communications equipment room air-conditioning electricity saver ", though this device can be regulated the operation of air conditioner by the temperature of indirect control air-conditioning return air inlet, do not change the circuit of air conditioner, but it does not possess the function of automatic selection mode of operation, still needs the mode of operation of control set for adjusting manually.Variation along with weather, air conditioner changes duty, this device also must come real-time change duty according to the needs of air conditioner so, but base station, machine room distribute and disperse very much, distance each other is also far, so if use manual adjustment, so not only can expend a large amount of man power and materials, and can not in time finish adjusting work, can't make air conditioner keep optimal operational condition.
Patent announcement number discloses on the air-conditioning equipment that increases the air-valve plate for CN100510564C " a kind of control device of communication machine room special air conditioner unit ", according to the inside and outside variations in temperature of air chamber, utilize the control system of formations such as master control borad to control the action of air-valve plate, be located at " pass ", " opening " state, change the indoor and outdoor gas circuit, realize energy-conservation.Patent announcement number has been put down in writing indoor and outdoor Temperature Humidity Sensor, air intake unit, indoor and outdoor, indoor wind unit by air-conditioning, outdoor machine of air-conditioner and the connection of central control unit control for CN2847136Y " intelligent anti-theft energy efficiency temperature control device ", environmental change according to the indoor and outdoor humiture, reach the interior environmental requirement of machine room by functions such as " wind+air-conditioning work are changed in pressure ", satisfy equipment and run well, prolong air-conditioning service life.Patent announcement number is a kind of according to indoor, outdoor temperature difference for disclosing in CN201373531Y " machine room intelligent ventilating system and machine room ", outdoor cold wind is incorporated into indoor, attempts to improve the method for building environment.Although above-mentioned patented technology can be improved air-conditioning to a certain extent,, in fact the internal environment of machine room or base station requires very strictness, especially emphasizes dustless, ashless.And because machine room, base station are to be in the mountain area mostly, the weather dust storm is big, and natural wind is introduced indoor the time, also a large amount of sandy soil is incorporated into indoorly, causes the environment machine room or base station in abominable, thereby causes indoor equipment job failure rate increase.Because of dirt filtrating screen needs regularly to clean, so can cause personnel's waste.And the running time of this equipment, also strictness was restricted, and for example summer, outdoor temperature is higher than indoor temperature, so can only lean on indoor air-conditioning to carry out work, can not reach desirable power savings.
The utility model content
The purpose of this utility model provides a kind of base station machine room air conditioner energy saving equipment, it has solved the problem that power consumption is big and service life is low that existing air conditioner exists, remove the internal wiring that does not need to change air-conditioning that keeps existing air conditioner energy saving device, outside the advantage that assurance air-conditioning producer can continue to guarantee to keep in good repair, its structural design is more reasonable, the duty that can adapt to air conditioner automatically changes, optimize regulation and control rapidly, real-time diagnosis to the air conditioner duty, fault shows quick, and can realize that fault repairs automatically, the service life of significant prolongation air conditioner, improve energy-saving effect, operational efficiency height, wide accommodation.
The technical scheme that the utility model adopted is: this base station machine room air conditioner energy saving equipment comprises and has LCDs, the housing of function button and coffret, be assembled in the housing is the main control unit of core and the automatic control loop that constitutes by corresponding electronic element with single-chip microcomputer and external program memory, its technical essential is: be provided with in the described automatic control loop by analog digital conversion chip and temperature sensor, the return air inlet temperature sensor, the temperature acquisition control module that the air outlet temperature sensor is formed, described temperature sensor is fixed on the described housing, is fixed on the air conditioner return air inlet, described time of air outlet, the air outlet temperature sensor connects the coffret of described housing by lead; Described temperature sensor, return, the air outlet temperature sensor divides three tunnel transmission temperature simulation value that collects: the analog digital conversion chip of leading up to is converted to data signal with the temperature simulation value, after single-chip microcomputer in described main control unit and external program memory were handled, the demonstration and the communication unit that are transported in the described automatic control loop showed; The current/voltage-converted chip of the mode of operation control module in the described automatic control loop of secondary route is converted to voltage signal, after voltage comparator compares, determine the refrigeration of air conditioner or the mode of operation that heats, and be transferred to described single-chip microcomputer, described mode of operation is sent to described demonstration and communication unit demonstration; Third Road converts magnitude of voltage to by the current sensor in fault detect in the described automatic control loop and the reparation unit, after voltage comparator compares, localization of faults output feedback voltage is transported to described demonstration and communication unit and shows to repair fault or described fault-signal is transferred to described single-chip microcomputer; The single-chip microcomputer of described main control unit is transported to the data of described temperature acquisition control module and mode of operation control module transmission in the described program storage and handles, the compensation data coefficient that processing is obtained is sent in the temperature compensation unit of being made up of semiconductor cooler and pulse driver in the described automatic control loop, make described pulse driver send pulse signal, the work of driving semiconductor cooler is carried out real-time dynamic compensation control to described return air inlet temperature sensor.
Described demonstration and communication unit comprise and be arranged on the LCDs that being used on the described housing shows data, mode of operation and the fault-signal of the transmission of described single-chip microcomputer, be used for described signal by the RS232 protocol transmission to the serial port chip of host computer or dynamic environment monitoring system with by the return key that running parameter is set, raise the function button that key, down key, acknowledgement key are formed.
Advantage and the good effect that the utlity model has are: since the temperature acquisition control module that base station machine room air conditioner energy saving equipment of the present utility model is formed by temperature sensor, return air inlet temperature sensor, air outlet temperature sensor obtain indoor temperature and return, the air outlet temperature information, through the single-chip microcomputer of main control unit these data are transported in the program storage and handle, so can realize selecting automatically to determine the temperature that is provided with of mode of operation and definite air-conditioning.Because of main control unit can be according to model selection, the temperature information that obtains in conjunction with temperature sensor, handle obtain the compensation data coefficient after, send in the temperature compensation unit, make its pulse driver send pulse signal, the work of driving semiconductor cooler, automatically finish the return air inlet temperature sensor is carried out real-time dynamic compensation control, dynamic and intelligent is adjusted air-conditioning and is treated the dead zone, so its structural design is more reasonable, not only solved the problem that power consumption is big and service life is low that existing air conditioner exists, remove the internal wiring that does not need to change air-conditioning that keeps existing air conditioner energy saving device, outside the advantage that assurance air-conditioning producer can continue to guarantee to keep in good repair, and the duty that can adapt to air conditioner automatically changes, and optimizes regulation and control rapidly, to the real-time diagnosis of air conditioner duty, fault shows quick, and can realize that fault repairs automatically, thereby reach purpose of power saving, and can prevent compressor of air conditioner under underload frequent starting and stop.Owing to the utlity model has and need not directly to be connected with any circuit of base station, air conditioner in machine room; with the air is the intelligent optimization advantage of media implementation to the air-conditioning system running status; when so even this energy-saving equipment breaks down; can not influence the operate as normal of air-conditioning; improve operation of air conditioner efficient; protected compressor and saved electric energy, this air conditioner energy saving device is very little from power consumption, and per hour maximum consumable is less than 3W.Therefore, realized that air-conditioning system turn round more efficiently in the base station, machine room, had the operational efficiency height service life of significant prolongation air conditioner, the advantage of wide accommodation really reaches energy-conservation, reduces discharging and protect the requirement of compressor of air conditioner.
The utility model can also utilize and show and the LCDs of data, mode of operation and fault-signal that the demonstration single-chip microcomputer of communication unit transmits, be used for signal that single-chip microcomputer is handled by the RS232 protocol transmission to the serial port chip of host computer or dynamic environment monitoring system with by the return key that running parameter is set, raise the function button that key, down key, acknowledgement key are formed, realization man-machine interaction.Fault detect and reparation unit can demonstrate air outlet sensor fault, temperature compensation unit fault etc. by LCDs, and can repair above fault automatically.Practice examining shows that the startup frequency of air conditioner obviously descends, and when working, the operating mode of air conditioner is more obvious than improving at every turn, and energy-saving effect is remarkable, can save 30% electric energy.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further described.
Fig. 1 a kind of concrete structure schematic diagram of the present utility model.
Fig. 2 is a kind of basic structure block diagram of the present utility model.
Fig. 3 a kind of electrical schematic diagram of the present utility model
Sequence number explanation among the figure: 1 housing, 2 LCDs, 3 function buttons, 4 power switches, 5 power line input interfaces, 6 data transmission interfaces, 7 air outlet temperature sensor interfaces, 8 semiconductor cooler interfaces, 9 temperature sensors, 10 return air inlet temperature sensor interfaces, the T1 transformer, the K1 power switch, the S1 return key, S2 raises key, the S3 down key, the S4 acknowledgement key, the F1 protective tube, the U1 single-chip microcomputer, the U2 voltage-stablizer, the U3 LCDs, U4 analog digital conversion chip, the U5 serial port chip, the U6 voltage comparator, the U7 semiconductor cooler, the U8 current sensor, the U9 program storage, the U10 pulse driver, U11 current/voltage-converted chip, the U12 voltage comparator, D1～D5 diode, the G1 temperature sensor, G2 return air inlet temperature sensor, G3 air outlet temperature sensor, the C1 electrochemical capacitor.
The specific embodiment
Describe concrete structure of the present utility model in detail according to Fig. 1～3.This base station machine room air conditioner energy saving equipment comprise housing 1 and be provided with on the housing 1 by LCDs 2 (U3), contain return key S1, raise key S2, down key S3, the function button 3 that acknowledgement key S4 constitutes, power switch 4, temperature sensor 9, by power line input interface 5, data transmission interface 6, air outlet temperature sensor interface 7, semiconductor cooler interface 8, the coffret that return air inlet temperature sensor interface 10 constitutes, being assembled in the housing 1 is the main control unit of core and the parts such as automatic control loop that constitute by corresponding electronic element with single-chip microcomputer U1 and external program memory U9.Wherein automatic control loop mainly comprises main control unit, mode of operation control module, power conversion unit, demonstration and communication unit, temperature compensation unit, fault detect and reparation unit and temperature acquisition control module etc.Adopt the common power converting unit to be used for converting the alternating current 220V electricity to dc supply, it comprises an AC transformer T1, bridge rectifier, electrochemical capacitor C1, voltage-stablizer U2 parts such as (selecting LM7805 for use).Civil power 220V becomes dc pulse moving voltage through AC transformer T1 transformation by the bridge rectifier of being made up of diode D1-D4 (selecting IN4007 for use), then by voltage-stablizer U2 voltage stabilizing, by electrochemical capacitor C1 ripple voltage is wherein filtered out at last again.Stable direct current+5V the power supply of output is given each the unit power supply in the automatic control loop.
Main control unit wherein: comprise single-chip microcomputer U1 (selecting super low-power consumption STC89C58RD for use) and external program memory U9 parts such as (selecting HY62256 for use).The wherein effect of single-chip microcomputer U1: the one, receive data from the transmission of the return key S1 in the function button 3, rise key S2, down key S3, acknowledgement key S4 and temperature acquisition control module, and data are sent among the program storage U9 handle, with the data extract of handling, the LCDs U3 that at last data is sent in demonstration and the communication unit shows then; The 2nd, accept data from mode of operation control module and fault detect reparation unit, and data are sent among the program storage U9 handle, with the data extract of handling, at last data are sent to LCDs U3 and serial port chip U5 (selecting MAX232 for use) in demonstration and the communication unit then.The 3rd, the data of temperature acquisition control module and mode of operation control module transmission are sent among the program storage U9 handle, the compensation data coefficient of handling is sent into temperature compensation unit.Program storage U9 is used for program code stored.
Show and communication unit: comprise that being arranged on being used on the housing 1 shows LCDs U3 (selecting LCD12232-1 for use), the serial port chip U5 (selecting MAX232 for use) of data, mode of operation and fault-signal that single-chip microcomputer U1 transmits and the S1～S4 parts of function button 3.Wherein the LCDs U3 data that will receive single-chip microcomputer U1 show.Serial port chip U5 is the data of single-chip microcomputer U1, by data transmission interface 6 and RS232 protocol transmission in host computer or dynamic environment monitoring system.Wherein can running parameter be set by the return key S1 in each function button 3, rise key S2, down key S3, acknowledgement key S4.
LCDs U3 demonstrates the duty and the failure condition of this equipment, by serial port chip U5 information is sent in the rotating ring monitoring of host computer or base station, machine room.
Mode of operation control module: comprise current/voltage-converted chip U11 (selecting MAX472 for use), voltage comparator U12 parts such as (selecting LM339 for use).Wherein current/voltage-converted chip U11 is a magnitude of voltage with three measuring transducer temperature sensor G1, the return air inlet temperature sensor G2 of temperature acquisition control module, the current conversion among the air outlet temperature sensor G3, then this magnitude of voltage and the magnitude of voltage 1.5V that has set and 3.5V is compared the size of voltage by voltage comparator U12.When magnitude of voltage during less than 1.5V, the mode of operation of judging air conditioner is a refrigeration mode.When magnitude of voltage during greater than 1.5V, the mode of operation of judging air conditioner is a heating mode.And, be transferred to single-chip microcomputer U1 by voltage comparator U12 with judged result.
Temperature compensation unit: comprise parts such as semiconductor cooler U7 (selecting TEC for use) and pulse driver U10.Wherein pulse driver U10 receives that pulse driver U10 sends pwm pulse signal according to penalty coefficient then from the penalty coefficient of the single-chip microcomputer U1 in the main control unit, drives semiconductor cooler U7 work, to carry out temperature-compensating.
Fault detect and reparation unit: comprise parts such as voltage comparator U6 (selecting LM324 for use) and current sensor U8.Wherein current sensor U8 measures the size of each several part electric current, is converted into magnitude of voltage then, delivers to voltage comparator U6 at last.Voltage comparator U6 is by the normal working voltage comparison with setting of the voltage that will measure, whether judges fault and trouble point.Voltage comparator U6 feeds back to the trouble point in proportion with the false voltage value of trouble point and the voltage difference of normal voltage value, eliminates fault pressure reduction, makes the faulty component can operate as normal.If can not eliminate, then fault message is outputed to single-chip microcomputer U1 by voltage comparator U6.
Temperature acquisition control module: comprise analog digital conversion chip U4 (selecting ADC0809 for use) and temperature sensor G1, return air inlet temperature sensor G2, air outlet temperature sensor G3 parts such as (each sensor are selected PT100 for use).Wherein sensor G1, G2, G3 are converted into analog voltage and current value to the temperature value that collects, and U4 is converted to data signal by the analog digital conversion chip, offers the single-chip microcomputer U1 in the main control unit.Meanwhile, this aanalogvoltage and current value are transferred to fault detect respectively and repair current sensor U8, the current/voltage-converted chip U11 in the mode of operation control module in the unit.
Temperature sensor G1 in the temperature acquisition control module in the above-mentioned automatic control loop is fixed on the housing 1, return air inlet temperature sensor G2, air outlet temperature sensor G3 are fixed on air conditioner return air inlet, air outlet, and are connected to the air outlet temperature sensor interface 7 of housing 1, the coffret of return air inlet temperature sensor interface 10 by lead; Temperature sensor G1, return, air outlet temperature sensor G2, G3 divide three tunnel transmission temperature simulation value that collects: the analog digital conversion chip U4 of leading up to is converted to data signal with the temperature simulation value, after single-chip microcomputer U1 in main control unit and external program memory U9 handle, be transported to demonstration and communication unit and show; The current/voltage-converted chip U11 of secondary route mode of operation control module is converted to voltage signal, after voltage comparator U12 compares, determine the refrigeration of air conditioner or the mode of operation that heats, and be transferred to single-chip microcomputer U1, mode of operation is sent to demonstration and communication unit demonstration; Third Road changes U8 by the current sensor in fault detect and the reparation unit and changes magnitude of voltage into, after voltage comparator U6 compares, localization of faults output feedback voltage is transported to demonstration and communication unit and shows to repair fault or fault-signal is transferred to single-chip microcomputer U1.
The data that the single-chip microcomputer U1 of main control unit gathers the transmission of control module and mode of operation control module with said temperature are transported among the program storage U9 to be handled, the compensation data coefficient (being the poor of design temperature and actual temperature) that processing obtains is sent in the temperature compensation unit, make pulse driver U10 send pulse signal, drive semiconductor cooler U7 work, return air inlet temperature sensor G2 is carried out real-time dynamic compensation control.
During operation, attaching plug is directly inserted alternating current 220V power line input interface 5 on the housing 1, air outlet temperature sensor G3 is fixed on the air outlet of air conditioner, the temperature sensor G2 of return air inlet is fixed on the air conditioner return air inlet, and semiconductor cooler U7 is arranged near the air conditioner return air inlet in the temperature compensation unit that will connect by the semiconductor cooler interface on the housing 18.Turn on the power switch K1, the air conditioner energy saving equipment of this communication base station room is just started working.
After this base station machine room air conditioner energy saving equipment energising work, operating personnel are provided with the deviation of working range and correct detection temperature and actual temperature by button S1-S4.At first utilize temperature sensor G1, return air inlet temperature sensor G2 and air outlet temperature sensor G3 to gather the signal of the temperature information of the indoor temperature information of base station, machine room and air conditioner air outlet and return air inlet, be divided into three tunnel transmission, one road signal is converted to data signal by modulus conversion chip U4 with the temperature simulation value; And then with this digital data transmission to single-chip microcomputer U1, single-chip microcomputer U1 is sent to data among the program storage U9 and handles, and then with the data extract of handling, data is sent to show and the LCDs U3 demonstration of communication unit at last; The second road signal is converted to voltage signal by the current/voltage-converted chip U11 of mode of operation control module, voltage is sent to voltage comparator U12, by comparing with the voltage value of setting, the mode of operation of determining air conditioner is refrigeration and heats that single-chip microcomputer U1 sends to LCDs U3 with the pattern of determining and shows.The Third Road signal converts magnitude of voltage to by the current sensor U8 in fault detect and the reparation unit, through voltage comparator U6 this voltage and normal voltage is compared, if find the trouble point, then voltage comparator U6 output feedback voltage is to the trouble point, with the reparation fault.If fault restoration, this equipment works on, if fault is not got rid of, then voltage comparator U6 is reported to fault among the single-chip microcomputer U1 in the main control unit, single-chip microcomputer U1 shows by the LCDs U3 in demonstration and the communication unit, serial port chip U5 exports fault message in upper computer outside or the dynamic environment monitoring system, and this equipment quits work simultaneously, gets rid of up to fault just to work on.
Single-chip microcomputer U1 is sent to the data of temperature acquisition control module and mode of operation transmission among the program storage U9 and handles, and the compensation data coefficient that processing obtains is sent into temperature compensation unit.Pulse driver U10I in the temperature compensation unit receives the penalty coefficient from the single-chip microcomputer U1 in the main control unit, driving pulse driver U10 sends pwm pulse signal according to penalty coefficient then, drive semiconductor cooler U7 work, air-conditioning intake air temperature sensor G2 is carried out real-time dynamic compensation control.
Claims (2)
1. base station machine room air conditioner energy saving equipment, comprise and have LCDs, the housing of function button and coffret, be assembled in the housing is the main control unit of core and the automatic control loop that constitutes by corresponding electronic element with single-chip microcomputer and external program memory, it is characterized in that: be provided with in the described automatic control loop by analog digital conversion chip and temperature sensor, the return air inlet temperature sensor, the temperature acquisition control module that the air outlet temperature sensor is formed, described temperature sensor is fixed on the described housing, is fixed on the air conditioner return air inlet, described time of air outlet, the air outlet temperature sensor connects the coffret of described housing by lead; Described temperature sensor, return, the air outlet temperature sensor divides three tunnel transmission temperature simulation value that collects: the analog digital conversion chip of leading up to is converted to data signal with the temperature simulation value, after single-chip microcomputer in described main control unit and external program memory were handled, the demonstration and the communication unit that are transported in the described automatic control loop showed; The current/voltage-converted chip of the mode of operation control module in the described automatic control loop of secondary route is converted to voltage signal, after voltage comparator compares, determine the refrigeration of air conditioner or the mode of operation that heats, and be transferred to described single-chip microcomputer, described mode of operation is sent to described demonstration and communication unit demonstration; Third Road converts magnitude of voltage to by the current sensor in fault detect in the described automatic control loop and the reparation unit, after voltage comparator compares, localization of faults output feedback voltage is transported to described demonstration and communication unit and shows to repair fault or described fault-signal is transferred to described single-chip microcomputer; The single-chip microcomputer of described main control unit is transported to the data of described temperature acquisition control module and mode of operation control module transmission in the described program storage and handles, the compensation data coefficient that processing is obtained is sent in the temperature compensation unit of being made up of semiconductor cooler and pulse driver in the described automatic control loop, make described pulse driver send pulse signal, the work of driving semiconductor cooler is carried out real-time dynamic compensation control to described return air inlet temperature sensor.
2. a kind of base station machine room air conditioner energy saving equipment according to claim 1, it is characterized in that: described demonstration and communication unit comprise and be arranged on the LCDs that being used on the described housing shows data, mode of operation and the fault-signal of the transmission of described single-chip microcomputer, be used for described signal by the RS232 protocol transmission to the serial port chip of host computer or dynamic environment monitoring system with by the return key that running parameter is set, raise the function button that key, down key, acknowledgement key are formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205152525U CN201779811U (en) | 2010-09-03 | 2010-09-03 | Air-conditioner energy saving equipment of base station machine room |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205152525U CN201779811U (en) | 2010-09-03 | 2010-09-03 | Air-conditioner energy saving equipment of base station machine room |
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| CN201779811U true CN201779811U (en) | 2011-03-30 |
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| CN2010205152525U Expired - Lifetime CN201779811U (en) | 2010-09-03 | 2010-09-03 | Air-conditioner energy saving equipment of base station machine room |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101943453A (en) * | 2010-09-03 | 2011-01-12 | 沈阳亿宏信息技术有限公司 | Energy saver for base station machine room air conditioners |
| CN103645761A (en) * | 2013-11-19 | 2014-03-19 | 无锡新人居科贸有限公司 | Intelligent ventilation system |
| CN104848896A (en) * | 2015-05-15 | 2015-08-19 | 卡乐电子(苏州)有限责任公司 | Temperature-humidity and differential pressure transducer of machine room air-conditioning set |
-
2010
- 2010-09-03 CN CN2010205152525U patent/CN201779811U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101943453A (en) * | 2010-09-03 | 2011-01-12 | 沈阳亿宏信息技术有限公司 | Energy saver for base station machine room air conditioners |
| CN101943453B (en) * | 2010-09-03 | 2012-10-03 | 沈阳亿宏信息技术有限公司 | Energy saver for base station machine room air conditioners |
| CN103645761A (en) * | 2013-11-19 | 2014-03-19 | 无锡新人居科贸有限公司 | Intelligent ventilation system |
| CN104848896A (en) * | 2015-05-15 | 2015-08-19 | 卡乐电子(苏州)有限责任公司 | Temperature-humidity and differential pressure transducer of machine room air-conditioning set |
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