CN103017304B - A kind of Intelligent ventilating system for base station and machine room environment temperature protection circuit - Google Patents
A kind of Intelligent ventilating system for base station and machine room environment temperature protection circuit Download PDFInfo
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- CN103017304B CN103017304B CN201210577966.2A CN201210577966A CN103017304B CN 103017304 B CN103017304 B CN 103017304B CN 201210577966 A CN201210577966 A CN 201210577966A CN 103017304 B CN103017304 B CN 103017304B
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Abstract
The invention discloses a kind of Intelligent ventilating system for base station and machine room environment temperature protection circuit; this system comprises the local controller LCS, machine room environment temperature protection circuit and the communication apparatus E1 that connect successively; the battery rack be connected with described local controller LCS respectively by communication bus and multiple sensor, and the air conditioner in machine room be connected with described machine room environment temperature protection circuit respectively and multiple air-out blower fan.Intelligent ventilating system for base station of the present invention and machine room environment temperature protection circuit, can to overcome in prior art that fault rate is high, reliability is low and the defect such as potential safety hazard is large, to realize failure rate is low, reliability is high and potential safety hazard is little advantage.
Description
Technical field
The present invention relates to communication base station technical field, particularly, relate to a kind of Intelligent ventilating system for base station and machine room environment temperature protection circuit.
Background technology
Along with the development of network technology, mobile communication technology is from initial 2G era trend 3G, 4G, this just requires that common carrier must constantly expand and build the inner facility of communications equipment room, and along with the continuous increase of inner facility, the energy consumption of machine room is also sharply increasing.Found by statistical analysis, energy consumption of machine room forms primarily of energy consumption two parts of alternating current equipment energy consumption and DC equipment.Wherein alternating current equipment energy consumption refers to that base station air conditioner, illumination etc. rely on the equipment exchanging input service, and DC equipment refers to the equipment (comprising Switching Power Supply) relying on Switching Power Supply direct current output services.
In order to make, each base station equipment energy is efficient, reliably working, and base-station environment temperature need be maintained in equipment allowed band, mainly using air-condition carries out environment temperature control to base station at present.According to the display of data information statistics, average each base station air conditioner power consumption accounts for about 54% of whole base station power consumption.Therefore, air conditioning electricity is all the primary electricity using device in base station all the time, and for implementing energy-saving and emission-reduction, joint Zhi Zengxiao, each operator proposes applicating energy-saving new equipment and replaces traditional air conditioner to reduce base station power consumption.In present base station, the major technique of air conditioner energy saving adopts base station VMC exactly.
See Fig. 1, the principle of base station VMC be installed in existing base station, blowing machine, when the outdoor temperature is lower than the indoor temperature, unlatching blower fan is room temperature lowering, thus reduces the utilization rate of air-conditioning.Because the power of blower fan is far below air-conditioning, thus achieve the energy consumption reducing base station.The temperature difference of general indoor and outdoor can be very large, and it is a lot of that indoor temperature can exceed outdoor temperature.By introducing the high temperature air in outdoor Cryogenic air discharge chamber, reach the object that base station indoor temperature reduces.Also can be more obvious in temperature difference effect in obvious season.In the temperature difference unconspicuous season, VMC it link with air-conditioning, the temperature difference can be not obvious by day, so VMC just interlock air-conditioning carry out the temperature in conditioning chamber, namely when VMC can not reduce temperature time, it can control startup and the closedown of air-conditioning.And at the temperature difference obvious night, use VMC is room temperature lowering, and the difference according to region can reach 20-55%.
, at least there is following defect in above-mentioned base station VMC:
(1) when indoor environment Temperature Humidity Sensor fault, local controller cannot gather environmental variance and cannot perform control logic, causes air-conditioning and blower fan cannot realize linking, makes base station occur high temperature, moves back clothes, equipment fault.
(2) when RS485 bus malfunctions, local controller (LSC) cannot gather environmental variance thus cannot perform control logic, causes air-conditioning and blower fan cannot realize linking, makes base station occur high temperature, moves back clothes, equipment fault.
When local controller crashes or fault time, the equipment such as air-conditioning, blower fan, constant temperature cabinet are operated in nondeterministic statement, cannot ensure indoor environment temperature, thus have buried hidden danger for the security of operation of base station.
Realizing in process of the present invention, inventor finds at least to exist in prior art the defect such as fault rate is high, reliability is low and potential safety hazard is large.
Summary of the invention
The object of the invention is to, for the problems referred to above, propose a kind of Intelligent ventilating system for base station, to realize failure rate is low, reliability is high and potential safety hazard is little advantage.
Another object of the present invention is to, proposing a kind of machine room environment temperature protection circuit based on using in above-mentioned Intelligent ventilating system for base station.
For achieving the above object; the technical solution used in the present invention is: a kind of Intelligent ventilating system for base station; comprise the local controller LCS, machine room environment temperature protection circuit and the communication apparatus E1 that connect successively; the battery rack be connected with described local controller LCS respectively by communication bus and multiple sensor, and the air conditioner in machine room be connected with described machine room environment temperature protection circuit respectively and multiple air-out blower fan.
Further, above-described Intelligent ventilating system for base station, also comprises the temperature detect switch (TDS) K1 be equipped with between described machine room environment temperature protection circuit and air conditioner in machine room; Described temperature detect switch (TDS) K1 is connected in parallel on the two ends, contact of relay K A1, and the contact of relay K A1 is connected with the control panel supply transformer of air conditioner in machine room.
Further, described machine room environment temperature protection circuit, mainly comprise the monostable flipflop 74HC123 that is connected and with door 74LS08.
Further, described multiple sensor, comprises Temperature Humidity Sensor in machine room, the outer temperature sensor of machine room and battery rack temperature sensor.
Simultaneously; another technical scheme that the present invention adopts is: a kind of machine room environment temperature protection circuit based on using in above-described Intelligent ventilating system for base station; mainly comprise dc source, monostable flipflop U8 that model is 74HC123, model are 74LS08 and door U9, the first resistance R40, the second resistance R42, the 3rd resistance R46, the first electric capacity C3, the second electric capacity C4, the 3rd electric capacity C9 and the 4th electric capacity C10, wherein:
2nd terminal of described dc source and monostable flipflop U8, 3rd terminal, 11st terminal is connected with the 16th terminal, be connected with the 14th terminal of door U9 with this, be connected with the 15th terminal of monostable flipflop U8 after the first resistance R40, be connected with the 14th terminal of monostable flipflop U8 after the first electric capacity C3 through the first resistance R40, ground connection after the 3rd electric capacity C9, be connected with the 1st terminal of monostable flipflop U8 after the second resistance R42, and for exporting WDT signal, be connected with the 7th terminal of monostable flipflop U8 after the 3rd resistance R46, be connected with the 6th terminal of monostable flipflop U8 after the second electric capacity C4 through the 3rd resistance R46, ground connection after the 4th electric capacity C10,
4th terminal of described monostable flipflop U8 is connected with the 10th terminal, and the 8th terminal is connected and ground connection with the 9th terminal; With the 4th terminal of door U9, the 1st terminal, the 9th terminal and the 12nd terminal, be all connected with the 13rd terminal of monostable flipflop U8; With the 7th terminal ground of door U9.
The Intelligent ventilating system for base station of various embodiments of the present invention and machine room environment temperature protection circuit, due to this Intelligent ventilating system for base station, comprise the local controller LCS, machine room environment temperature protection circuit and the communication apparatus E1 that connect successively, the battery rack be connected with local controller LCS respectively by communication bus and multiple sensor, and the air conditioner in machine room be connected with machine room environment temperature protection circuit respectively and multiple air-out blower fan; Can guarantee that machine room there will not be excessive temperature so that machine room fault, base station service quit, burning apparatus; Thus the defect that in prior art, fault rate is high, reliability is low and potential safety hazard is large can be overcome, to realize failure rate is low, reliability is high and potential safety hazard is little advantage.
Other features and advantages of the present invention will be set forth in the following description, and, partly become apparent from description, or understand by implementing the present invention.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for description, together with embodiments of the present invention for explaining the present invention, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the operation principle schematic diagram of existing base station VMC;
Fig. 2 is the operation principle schematic diagram of Intelligent ventilating system for base station of the present invention;
Fig. 3 is the operation principle schematic diagram of machine room environment temperature protection circuit of the present invention (by two monostable flipflop 74HC123 and form with door 74LS08);
Fig. 4 a and Fig. 4 b is the elementary diagram of two gold plaque and temperature detect switch (TDS) and air-conditioning in Intelligent ventilating system for base station of the present invention.In fig. 4b, K1 is temperature detect switch (TDS), and KA1 is relay coil.
Detailed description of the invention
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein is only for instruction and explanation of the present invention, is not intended to limit the present invention.
embodiment one
According to the embodiment of the present invention, as shown in Fig. 2, Fig. 3, Fig. 4 a and Fig. 4 b, provide a kind of Intelligent ventilating system for base station.
See Fig. 2; the Intelligent ventilating system for base station of the present embodiment; comprise the local controller LCS, machine room environment temperature protection circuit and the communication apparatus E1 that connect successively; the battery rack be connected with local controller LCS respectively by communication bus and multiple sensor, and the air conditioner in machine room be connected with machine room environment temperature protection circuit respectively and multiple air-out blower fan.The plurality of sensor, comprises Temperature Humidity Sensor in machine room, the outer temperature sensor of machine room and battery rack temperature sensor.
See Fig. 4 a and Fig. 4 b, this Intelligent ventilating system for base station, also comprises the temperature detect switch (TDS) K1 be equipped with between machine room environment temperature protection circuit and air conditioner in machine room; Temperature detect switch (TDS) K1 is connected in parallel on the two ends, contact of relay K A1, and the contact of relay K A1 is connected with the control panel supply transformer of air conditioner in machine room.
See Fig. 3, this machine room environment temperature protection circuit, mainly comprise the monostable flipflop 74HC123 that is connected and with door 74LS08.Specifically can see Fig. 3 and below in embodiment two about the related description of this machine room environment temperature protection circuit, again repeat no more.
The Intelligent ventilating system for base station of the present embodiment, for defect of the prior art, is guaranteeing under the primary condition of base station security of operation, is improving based on the existing base station VMC shown in Fig. 1.This Intelligent ventilating system for base station, on the basis of the existing base station VMC shown in Fig. 1, adds the temperature detect switch (TDS) of machine room environment temperature protection circuit and bimetal leaf formation.
Machine room environment temperature protection circuit controls the power input of machine room air-conditioning control panel by a normally closed relay, thus controls the start and stop of air-conditioning.When relay closes, air conditioner in machine room control panel obtains electric, and air-conditioning enters refrigerating state; When relay disconnects, the power down of air conditioner in machine room control panel, air-conditioning enters stopped status.Machine room environment temperature protection circuit is by the start and stop of two Control air inlet/outlet blower fans often opened.When relay closes, blower fan and city electrically connect, thus are the new wind of indoor introducing; When relay disconnects, blower fan and civil power disconnect, and blower fan quits work.The normally closed relay that open type temperature detect switch (TDS) and control air-conditioning control panel are powered is in parallel.
Machine room environment temperature protection circuit carries out timing to the WDT signal that local controller (LCS) provides, and when local controller (LCS) can provide WDT signal accurately on time, the action of air-conditioning, blower fan etc. controls by local controller.When not receiving effective WDT signal more than 50 seconds; environment temperature protection circuit will enter guard mode; exporting a pulse width is that the low pulse of 2 seconds makes local controller (LCS) reset; simultaneously automatically, air-conditioning is connect to change to open mode be room temperature lowering, prevent due to controller crash, fault causes computer room temperature out of control.
Temperature detect switch (TDS) is one can carry out the device of switching over automatically according to object principle of expanding with heat and contracting with cold.Expanding with heat and contract with cold is the general character of object, but its degree varies sample expanded with heat and contract with cold of different objects.The two sides of two gold plaque is the conductor of different material, makes two gold plaque bend under varying temperatures because expansion-contraction degree is different.When local controller LCS moved because various uncertain factor fails control relay, temperature detect switch (TDS) action when causing computer room temperature out of control, from another one roofing control, computer room temperature is unlikely to too high, causes the appearance of the faults such as machine room high temperature, base station service quit, equipment burn out.
The mode of connection of two gold plaque and temperature detect switch (TDS) and air-conditioning is see Fig. 4 a and Fig. 4 b.When this Intelligent ventilating system for base station is all normal, local controller, by control relay coil KA1, controls the start and stop work of the power supply control air-conditioning of air-conditioning transformer.When control system to fail control relay action because of logic error or other unknown causes, cause fail effectively by computer room temperature below 32 DEG C, when occurring that temperature is increased to 40 DEG C, open type temperature detect switch (TDS) is owing to expanding with heat and contract with cold, two gold plaque bending cutting changes to closure state, and air-conditioning control panel obtains electric, air-conditioning transformer is obtained electric, air-conditioning control panel obtains electric startup refrigeration, makes rapidly indoor temperature get back to normal range (NR).After computer room temperature drops to 29 DEG C, two gold plaque is restored to normally open owing to expanding with heat and contract with cold, and the power-off of air-conditioning transformer, air-conditioning control panel is by lower electricity, and air-conditioning enters stopped status.So repeatedly, guarantee that machine room there will not be excessive temperature so that machine room fault, base station service quit, burning apparatus.
embodiment two
According to the embodiment of the present invention, provide a kind of machine room environment temperature protection circuit based on using in above-mentioned Intelligent ventilating system for base station.As shown in Figure 3; the machine room environment temperature protection circuit of the present embodiment, mainly comprises dc source, monostable flipflop U8 that model is 74HC123, model is 74LS08 and door U9, the first resistance R40, the second resistance R42, the 3rd resistance R46, the first electric capacity C3, the second electric capacity C4, the 3rd electric capacity C9 and the 4th electric capacity C10.
Wherein, in figure 3, 2nd terminal of dc source and monostable flipflop U8, 3rd terminal, 11st terminal is connected with the 16th terminal, be connected with the 14th terminal of door U9 with this, be connected with the 15th terminal of monostable flipflop U8 after the first resistance R40, be connected with the 14th terminal of monostable flipflop U8 after the first electric capacity C3 through the first resistance R40, ground connection after the 3rd electric capacity C9, be connected with the 1st terminal of monostable flipflop U8 after the second resistance R42, and for exporting WDT signal, be connected with the 7th terminal of monostable flipflop U8 after the 3rd resistance R46, be connected with the 6th terminal of monostable flipflop U8 after the second electric capacity C4 through the 3rd resistance R46, ground connection after the 4th electric capacity C10, 4th terminal of monostable flipflop U8 is connected with the 10th terminal, and the 8th terminal is connected and ground connection with the 9th terminal, with the 4th terminal of door U9, the 1st terminal, the 9th terminal and the 12nd terminal, be all connected with the 13rd terminal of monostable flipflop U8, with the 7th terminal ground of door U9.
Fig. 3 be one by two monostable flipflop 74HC123 and the machine room environment temperature protection circuit that forms with door 74LS08.74HC123 forms two single-shot trigger circuits, first monostable time delay is about 50S, its 1Q(Pin13) export as the input of 74LS08, be used for controlling the enable of local controller LSC output signal, 1/Q exports input 2B (Pin10) (rising edge) as second group of monostable circuit, being used for producing width is the reset signal of 1S, and 2/Q receives on the resetting pin of local control LSC, and local controller LSC can be reset in abnormal cases.
Input 1/A(Pin1 when first monostable circuit) when receiving effective impulse trailing edge, 1Q (Pin13) exports and is in transient state (high level), high level is input as with the Ax of door 74LS08, the control signal Bx that local controller is input to 74LS08 all can effectively pass through, and air-conditioning draught fan all can perform an action according to the logic of local controller.Output 1/Q(Pin4) is in transient state (low level), second group of monostable output 2/Q(Pin12) be in stable state (high level), the input of local controller reset signal is normal, system worked well.
When about 50S does not receive effective impulse trailing edge to the input 1/A (Pin1) of first monostable circuit continuously, first monostable flipflop 1Q (Pin13) exports stable state (low level), low level is input as with the Ax of door, the control signal Bx that local controller is input to 74LS08 all not by, the output of 74LS08 is low level, and the switch control rule relay of air-conditioning, blower fan all enters into normality (air-conditioning normally closed, blower fan often open).Because airconditioning control relay is normally closed relay, so air-conditioning control panel obtains electric, air-conditioning enters refrigeration operational state, guarantees that indoor temperature in the reasonable scope, is unlikely to cause the faults such as high temperature.
Last it is noted that the foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, although with reference to previous embodiment to invention has been detailed description, for a person skilled in the art, it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (3)
1. a machine room environment temperature protection circuit; it is characterized in that; comprise dc source, monostable flipflop U8 that model is 74HC123, model are 74LS08 and door U9, the first resistance R40, the second resistance R42, the 3rd resistance R46, the first electric capacity C3, the second electric capacity C4, the 3rd electric capacity C9 and the 4th electric capacity C10, wherein:
2nd terminal of described dc source and monostable flipflop U8, 3rd terminal, 11st terminal is connected with the 16th terminal, be connected with the 14th terminal of door U9 with this, be connected with the 15th terminal of monostable flipflop U8 after the first resistance R40, be connected with the 14th terminal of monostable flipflop U8 after the first electric capacity C3 through the first resistance R40, ground connection after the 3rd electric capacity C9, be connected with the 1st terminal of monostable flipflop U8 after the second resistance R42, and for exporting WDT signal, be connected with the 7th terminal of monostable flipflop U8 after the 3rd resistance R46, be connected with the 6th terminal of monostable flipflop U8 after the second electric capacity C4 through the 3rd resistance R46, ground connection after the 4th electric capacity C10,
4th terminal of described monostable flipflop U8 is connected with the 10th terminal, and the 8th terminal is connected and ground connection with the 9th terminal; With the 4th terminal of door U9, the 1st terminal, the 9th terminal and the 12nd terminal, be all connected with the 13rd terminal of monostable flipflop U8; With the 7th terminal ground of door U9.
2. the Intelligent ventilating system for base station based on machine room environment temperature protection circuit, it is characterized in that, comprise the local controller LCS, machine room environment temperature protection circuit and the communication apparatus E1 that connect successively, the battery rack be connected with described local controller LCS respectively by communication bus and multiple sensor, and the air conditioner in machine room be connected with described machine room environment temperature protection circuit respectively and multiple air-out blower fan;
Described machine room environment temperature protection circuit; comprise dc source, monostable flipflop U8 that model is 74HC123, model are 74LS08 and door U9, the first resistance R40, the second resistance R42, the 3rd resistance R46, the first electric capacity C3, the second electric capacity C4, the 3rd electric capacity C9 and the 4th electric capacity C10, wherein:
2nd terminal of described dc source and monostable flipflop U8, 3rd terminal, 11st terminal is connected with the 16th terminal, be connected with the 14th terminal of door U9 with this, be connected with the 15th terminal of monostable flipflop U8 after the first resistance R40, be connected with the 14th terminal of monostable flipflop U8 after the first electric capacity C3 through the first resistance R40, ground connection after the 3rd electric capacity C9, be connected with the 1st terminal of monostable flipflop U8 after the second resistance R42, and for exporting WDT signal, be connected with the 7th terminal of monostable flipflop U8 after the 3rd resistance R46, be connected with the 6th terminal of monostable flipflop U8 after the second electric capacity C4 through the 3rd resistance R46, ground connection after the 4th electric capacity C10,
4th terminal of described monostable flipflop U8 is connected with the 10th terminal, and the 8th terminal is connected and ground connection with the 9th terminal; With the 4th terminal of door U9, the 1st terminal, the 9th terminal and the 12nd terminal, be all connected with the 13rd terminal of monostable flipflop U8; With the 7th terminal ground of door U9;
Described multiple sensor, comprises Temperature Humidity Sensor in machine room, the outer temperature sensor of machine room and battery rack temperature sensor.
3. Intelligent ventilating system for base station according to claim 2, is characterized in that, also comprises the temperature detect switch (TDS) K1 be equipped with between described machine room environment temperature protection circuit and air conditioner in machine room; Described temperature detect switch (TDS) K1 is connected in parallel on the two ends, contact of relay K A1, and the contact of relay K A1 is connected with the control panel supply transformer of air conditioner in machine room.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210577966.2A CN103017304B (en) | 2012-12-27 | 2012-12-27 | A kind of Intelligent ventilating system for base station and machine room environment temperature protection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210577966.2A CN103017304B (en) | 2012-12-27 | 2012-12-27 | A kind of Intelligent ventilating system for base station and machine room environment temperature protection circuit |
Publications (2)
| Publication Number | Publication Date |
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| CN103017304A CN103017304A (en) | 2013-04-03 |
| CN103017304B true CN103017304B (en) | 2015-12-09 |
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| CN201210577966.2A Expired - Fee Related CN103017304B (en) | 2012-12-27 | 2012-12-27 | A kind of Intelligent ventilating system for base station and machine room environment temperature protection circuit |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2163340Y (en) * | 1993-03-18 | 1994-04-27 | 南京师范大学 | Multifunction air conditioner protector |
| CN2716710Y (en) * | 2004-07-26 | 2005-08-10 | 郑建军 | Ventilating system with automatic temperature control |
| CN2769740Y (en) * | 2004-12-17 | 2006-04-05 | 黄尚南 | Air conditioner controller |
| CN101509685A (en) * | 2009-03-10 | 2009-08-19 | 尹宏文 | Communication base station energy-conserving system and control method |
| CN202189846U (en) * | 2011-08-01 | 2012-04-11 | 合肥威师智能电子电器厂 | Battery cabinet used in communication base station |
-
2012
- 2012-12-27 CN CN201210577966.2A patent/CN103017304B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2163340Y (en) * | 1993-03-18 | 1994-04-27 | 南京师范大学 | Multifunction air conditioner protector |
| CN2716710Y (en) * | 2004-07-26 | 2005-08-10 | 郑建军 | Ventilating system with automatic temperature control |
| CN2769740Y (en) * | 2004-12-17 | 2006-04-05 | 黄尚南 | Air conditioner controller |
| CN101509685A (en) * | 2009-03-10 | 2009-08-19 | 尹宏文 | Communication base station energy-conserving system and control method |
| CN202189846U (en) * | 2011-08-01 | 2012-04-11 | 合肥威师智能电子电器厂 | Battery cabinet used in communication base station |
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| CN103017304A (en) | 2013-04-03 |
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Granted publication date: 20151209 Termination date: 20161227 |