CN103017304A - Intelligent ventilation system of base station and machine room environment temperature protection circuit - Google Patents
Intelligent ventilation system of base station and machine room environment temperature protection circuit Download PDFInfo
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- CN103017304A CN103017304A CN2012105779662A CN201210577966A CN103017304A CN 103017304 A CN103017304 A CN 103017304A CN 2012105779662 A CN2012105779662 A CN 2012105779662A CN 201210577966 A CN201210577966 A CN 201210577966A CN 103017304 A CN103017304 A CN 103017304A
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Abstract
The invention discloses an intelligent ventilation system of a base station and a machine room environment temperature protection circuit. The system comprises a local controller LCS (local control system), the machine room environment temperature protection circuit, a communication device E1, a battery cabinet, a plurality of sensors, a machine room air-conditioner and a plurality of air out fans, the local controller LCS, the machine room environment temperature protection circuit and the communication device E1 are connected in sequence, the battery cabinet and the sensors are respectively connected with the local controller LCS through communication buses, and the machine room air-conditioner and the draught fans are respectively connected with the machine room environment temperature protection circuit. By adopting the intelligent ventilation system of the base station and the machine room environment temperature protection circuit, the defects of the prior art such as high failure rate, low reliability and large hidden safety risks can be overcome, and the advantages of low failure rate, high reliability and small hidden safety risks can be realized.
Description
Technical field
The present invention relates to the communication base station technical field, particularly, relate to a kind of Intelligent ventilating system for base station and building environment temperature protection circuit.
Background technology
Be accompanied by the development of network technology, mobile communication technology is from initial 2G era trend 3G, 4G, this just requires common carrier must constantly enlarge 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 in rapid increase.Find that by statistical analysis energy consumption of machine room mainly is comprised of energy consumption two parts of alternating current equipment energy consumption and DC equipment.Wherein the alternating current equipment energy consumption refers to that base station air conditioner, illumination etc. rely on the equipment that exchanges input service, and DC equipment refers to rely on the equipment (comprising Switching Power Supply) of Switching Power Supply direct current output services.
In order to make efficient, the reliably working of equipment energy in each base station, need the base-station environment temperature is maintained in the equipment allowed band, mainly be to come environment temperature control is carried out in the base station with air-conditioning at present.Show that according to the data information statistics on average each base station air conditioner power consumption accounts for about 54% of whole base station power consumption.Therefore, air conditioning electricity all is the main consumer in the base station all the time, for implementing energy-saving and emission-reduction, saves Zhi Zengxiao, and each operator has proposed the applicating energy-saving new equipment and replaced traditional air-conditioning to reduce base station power consumption.The major technique of air conditioner energy saving adopts the base station VMC exactly in the base station now.
Referring to Fig. 1, the principle of base station VMC be in existing base station, be installed into, blowing machine, when outdoor temperature was lower than indoor temperature, the unlatching blower fan was room temperature lowering, thereby reduced the utilization rate of air-conditioning.Because the power of blower fan is far below air-conditioning, thereby realized reducing the energy consumption of 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.Discharge indoor high temperature air by introducing outdoor Cryogenic air, reach the purpose that the 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 with air-conditioning interlock, the temperature difference can be not obvious by day, the VMC air-conditioning that just links comes temperature in the conditioning chamber so, namely when VMC can not reduce temperature, it can be controlled the startup of air-conditioning and close.And at the temperature difference obvious night, use VMC to be room temperature lowering, can reach 20-55% according to the difference in zone.
There is following defective at least in above-mentioned base station VMC:
⑴ when indoor environment Temperature Humidity Sensor fault, and local controller can't gather environmental variance and can't carry out control logic, causes air-conditioning and blower fan can't realize interlock, so that the base station high temperature occurs, moves back clothes, equipment fault.
⑵ when break down when the RS485 bus, local controller (LSC) thus can't gather environmental variance can't carry out control logic, cause air-conditioning and blower fan can't realize the interlock so that the base station high temperature occurs, moves back clothes, equipment fault.
⑶ crash or during fault, the equipment such as air-conditioning, blower fan, constant temperature cabinet are operated in nondeterministic statement, can't guarantee indoor environment temperature when local controller, thereby buried hidden danger for the security of operation of base station.
In realizing process of the present invention, the inventor finds to exist at least in the prior art defectives 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 height and the little advantage of potential safety hazard.
Another object of the present invention is to, propose a kind of building environment temperature protection circuit based on using in the 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, building environment temperature protection circuit and the communication apparatus E1 that connect successively; the battery rack and a plurality of sensor that are connected with described local controller LCS by communication bus respectively, and the air conditioner in machine room and a plurality of air-out blower fan that are connected with described building environment temperature protection circuit respectively.
Further, above-described Intelligent ventilating system for base station also comprises the temperature detect switch (TDS) K1 that is equipped with between described building 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 building environment temperature protection circuit, mainly comprise the monostable flipflop 74HC123 that is connected and with door 74LS08.
Further, described a plurality of sensors comprise Temperature Humidity Sensor in the 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 building environment temperature protection circuit based on using in the above-described Intelligent ventilating system for base station; mainly comprise dc source, model be monostable flipflop U8, the model of 74HC123 be 74LS08 with door U9, the first resistance R 40, the second resistance R 42, the 3rd resistance R 46, the first capacitor C 3, the second capacitor C 4, the 3rd capacitor C 9 and the 4th capacitor C 10, wherein:
The 2nd terminal of described dc source and monostable flipflop U8, the 3rd terminal, the 11st terminal connects with the 16th terminal, be connected with this 14th terminal with door U9, after the first resistance R 40, be connected with the 15th terminal of monostable flipflop U8, be connected with the 14th terminal of monostable flipflop U8 after the capacitor C 3 with being connected through the first resistance R 40, ground connection after the 3rd capacitor C 9, after the second resistance R 42, be connected with the 1st terminal of monostable flipflop U8, and be used for output WDT signal, after the 3rd resistance R 46, be connected with the 7th terminal of monostable flipflop U8, with 6th terminal of monostable flipflop U8 be connected through four capacitor C 10 after ground connection with being connected after the capacitor C 4 through the 3rd resistance R 46;
The 4th terminal of described monostable flipflop U8 connects with the 10th terminal, and the 8th terminal connects and ground connection with the 9th terminal; With the 4th terminal, the 1st terminal, the 9th terminal and the 12nd terminal of door U9, all be connected with the 13rd terminal of monostable flipflop U8; The 7th terminal ground connection with door U9.
The Intelligent ventilating system for base station of various embodiments of the present invention and building environment temperature protection circuit, because this Intelligent ventilating system for base station, comprise the local controller LCS, building environment temperature protection circuit and the communication apparatus E1 that connect successively, the battery rack and a plurality of sensor that are connected with local controller LCS by communication bus respectively, and the air conditioner in machine room that is connected with the building environment temperature protection circuit respectively and a plurality of air-out blower fan; Can guarantee that excessive temperature so that machine room fault, base station service quit, burning apparatus can not appear in machine room; Thereby can overcome the defective that fault rate is high in the prior art, reliability is low and potential safety hazard is large, to realize failure rate is low, reliability height and the little advantage of potential safety hazard.
Other features and advantages of the present invention will be set forth in the following description, and, partly from specification, become apparent, perhaps understand by implementing the present invention.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Description of drawings
Accompanying drawing is used to provide a further understanding of the present invention, and consists of the part of specification, is used for together with embodiments of the present invention 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 building environment temperature protection circuit of the present invention (consisting of by two monostable flipflop 74HC123 with door 74LS08);
Fig. 4 a and Fig. 4 b are the elementary diagram of two gold plaques and temperature detect switch (TDS) and air-conditioning in the Intelligent ventilating system for base station of the present invention.In Fig. 4 b, K1 is temperature detect switch (TDS), and KA1 is relay coil.
The specific embodiment
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein only is used for description and interpretation the present invention, is not intended to limit the present invention.
Embodiment one
According to the embodiment of the invention, shown in Fig. 2, Fig. 3, Fig. 4 a and Fig. 4 b, provide a kind of Intelligent ventilating system for base station.
Referring to Fig. 2; the Intelligent ventilating system for base station of present embodiment; comprise the local controller LCS, building environment temperature protection circuit and the communication apparatus E1 that connect successively; the battery rack and a plurality of sensor that are connected with local controller LCS by communication bus respectively, and the air conditioner in machine room that is connected with the building environment temperature protection circuit respectively and a plurality of air-out blower fan.These a plurality of sensors comprise Temperature Humidity Sensor in the machine room, the outer temperature sensor of machine room and battery rack temperature sensor.
Referring to Fig. 4 a and Fig. 4 b, this Intelligent ventilating system for base station also comprises the temperature detect switch (TDS) K1 that is equipped with between building 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.
Referring to Fig. 3, this building environment temperature protection circuit, mainly comprise the monostable flipflop 74HC123 that is connected and with door 74LS08.Specifically can referring among Fig. 3 and the following embodiment two about the related description of this building environment temperature protection circuit, again repeat no more.
The Intelligent ventilating system for base station of present embodiment for defective of the prior art, is being guaranteed under the primary condition of base station security of operation, improves based on existing base station VMC shown in Figure 1.This Intelligent ventilating system for base station on the basis of existing base station VMC shown in Figure 1, has increased the temperature detect switch (TDS) that building environment temperature protection circuit and bimetal leaf consist of.
The building environment temperature protection circuit is controlled the power input of machine room air-conditioning control panel by a normally closed relay, thereby controls the start and stop of air-conditioning.When relay closes, the air conditioner in machine room control panel gets 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.The building environment temperature protection circuit is by the start and stop of two Control air inlet/outlet blower fans of often opening.When relay closes, blower fan and civil power are connected, thereby are the new wind of indoor introducing; When relay disconnected, blower fan and civil power disconnected, and blower fan quits work.The normally closed relay of open type temperature detect switch (TDS) and the power supply of control air-conditioning control panel is in parallel.
The building environment temperature protection circuit carries out timing to the WDT signal that local controller (LCS) provides, and when local controller (LCS) can provide the WDT signal on time accurately, the action of air-conditioning, blower fan etc. was controlled by local controller.When not receiving effective WDT signal above 50 seconds; the environment temperature holding circuit will enter guard mode; the low pulse of exporting a pulse width and be 2 seconds resets local controller (LCS); automatically air-conditioning being connect simultaneously and changing to open mode is room temperature lowering, prevents because controller crashes, fault causes computer room temperature out of control.
Temperature detect switch (TDS) is a device that can automatically carry out switching over according to the 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 that expands with heat and contract with cold of different objects.The two sides of two gold plaques is conductors of different material, makes two gold plaques crooked owing to expansion-contraction degree is different under the temperature that changes.As local controller LCS since various uncertain factors fail control relay and moved, temperature detect switch (TDS) action when causing computer room temperature out of control, from the another one roofing control computer room temperature be unlikely to too high, cause 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 plaques and temperature detect switch (TDS) and air-conditioning is referring to Fig. 4 a and Fig. 4 b.When this Intelligent ventilating system for base station was all normal, local controller was controlled the start and stop work of the power supply control air-conditioning of air-conditioning transformer by control relay coil KA1.When control system is failed the control relay action because of logic error or other unknown causes, cause and fail effectively by computer room temperature below 32 ℃, when the appearance temperature is increased to 40 ℃, the open type temperature detect switch (TDS) is owing to expand with heat and contract with cold, two gold plaque bending cuttings are changed to closure state, and air-conditioning control panel gets electric, and it is electric that the air-conditioning transformer is got, air-conditioning control panel gets electric startup refrigeration, makes rapidly indoor temperature get back to normal range (NR).After computer room temperature dropped to 29 ℃, two gold plaques returned to normally open again owing to expand with heat and contract with cold, the outage of air-conditioning transformer, and air-conditioning control panel is by lower electricity, and air-conditioning enters stopped status.So repeatedly, guarantee that excessive temperature so that machine room fault, base station service quit, burning apparatus can not appear in machine room.
Embodiment two
According to the embodiment of the invention, provide a kind of building environment temperature protection circuit based on using in the above-mentioned Intelligent ventilating system for base station.As shown in Figure 3; the building environment temperature protection circuit of present embodiment, mainly comprise dc source, model be monostable flipflop U8, the model of 74HC123 be 74LS08 with door U9, the first resistance R 40, the second resistance R 42, the 3rd resistance R 46, the first capacitor C 3, the second capacitor C 4, the 3rd capacitor C 9 and the 4th capacitor C 10.
Wherein, in Fig. 3, the 2nd terminal of dc source and monostable flipflop U8, the 3rd terminal, the 11st terminal connects with the 16th terminal, be connected with this 14th terminal with door U9, after the first resistance R 40, be connected with the 15th terminal of monostable flipflop U8, be connected with the 14th terminal of monostable flipflop U8 after the capacitor C 3 with being connected through the first resistance R 40, ground connection after the 3rd capacitor C 9, after the second resistance R 42, be connected with the 1st terminal of monostable flipflop U8, and be used for output WDT signal, after the 3rd resistance R 46, be connected with the 7th terminal of monostable flipflop U8, with 6th terminal of monostable flipflop U8 be connected through four capacitor C 10 after ground connection with being connected after the capacitor C 4 through the 3rd resistance R 46; The 4th terminal of monostable flipflop U8 connects with the 10th terminal, and the 8th terminal connects and ground connection with the 9th terminal; With the 4th terminal, the 1st terminal, the 9th terminal and the 12nd terminal of door U9, all be connected with the 13rd terminal of monostable flipflop U8; The 7th terminal ground connection with door U9.
Fig. 3 be one by two monostable flipflop 74HC123 and the building environment temperature protection circuit that consists of with door 74LS08.74HC123 consists of two single-shot trigger circuits, be about 50S first monostable time delay, its 1Q(Pin13) output is as the input of 74LS08, be used for controlling enabling of local controller LSC output signal, 1/Q output is as the input 2B (Pin10) (rising edge) of second group of monostable circuit, be used for producing the reset signal that width is 1S, 2/Q receives on the resetting pin of local control LSC, and local controller LSC can be reset under abnormal conditions.
Input 1/A(Pin1 when first monostable circuit) when receiving the effective impulse trailing edge, 1Q (Pin13) output is in transient state (high level), be input as high level 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 be according to the logic execution action 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's normal operation.
As the input 1/A of first monostable circuit (Pin1) when about 50S does not receive the effective impulse trailing edge continuously, first monostable flipflop 1Q (Pin13) exports stable state (low level), be input as low level with the Ax of door, the control signal Bx that local controller is input to 74LS08 all can not pass through, the output of 74LS08 is low level, and the switch control relay of air-conditioning, blower fan all enters into normality (air-conditioning is normally closed, blower fan often open).Because the air-conditioning control relay is normally closed relay, so that air-conditioning control panel gets is electric, air-conditioning enters the refrigerating operaton state, guarantees indoor temperature in the reasonable scope, is unlikely to cause the faults such as high temperature.
It should be noted that at last: the above only is the preferred embodiments of the present invention, be not limited to the present invention, although with reference to previous embodiment the present invention is had been described in detail, for a person skilled in the art, it still can be made amendment to the technical scheme that aforementioned each embodiment puts down in writing, and perhaps part technical characterictic wherein is equal to replacement.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (5)
1. Intelligent ventilating system for base station; it is characterized in that; comprise the local controller LCS, building environment temperature protection circuit and the communication apparatus E1 that connect successively; the battery rack and a plurality of sensor that are connected with described local controller LCS by communication bus respectively, and the air conditioner in machine room and a plurality of air-out blower fan that are connected with described building environment temperature protection circuit respectively.
2. Intelligent ventilating system for base station according to claim 1 is characterized in that, also comprises the temperature detect switch (TDS) K1 that is equipped with between described building 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.
3. Intelligent ventilating system for base station according to claim 1 and 2 is characterized in that, described building environment temperature protection circuit, mainly comprise the monostable flipflop 74HC123 that is connected and with door 74LS08.
4. Intelligent ventilating system for base station according to claim 1 and 2 is characterized in that, described a plurality of sensors comprise Temperature Humidity Sensor in the machine room, the outer temperature sensor of machine room and battery rack temperature sensor.
5. one kind based on the building environment temperature protection circuit that uses in the Intelligent ventilating system for base station claimed in claim 1; it is characterized in that; mainly comprise dc source, model be monostable flipflop U8, the model of 74HC123 be 74LS08 with door U9, the first resistance R 40, the second resistance R 42, the 3rd resistance R 46, the first capacitor C 3, the second capacitor C 4, the 3rd capacitor C 9 and the 4th capacitor C 10, wherein:
The 2nd terminal of described dc source and monostable flipflop U8, the 3rd terminal, the 11st terminal connects with the 16th terminal, be connected with this 14th terminal with door U9, after the first resistance R 40, be connected with the 15th terminal of monostable flipflop U8, be connected with the 14th terminal of monostable flipflop U8 after the capacitor C 3 with being connected through the first resistance R 40, ground connection after the 3rd capacitor C 9, after the second resistance R 42, be connected with the 1st terminal of monostable flipflop U8, and be used for output WDT signal, after the 3rd resistance R 46, be connected with the 7th terminal of monostable flipflop U8, with 6th terminal of monostable flipflop U8 be connected through four capacitor C 10 after ground connection with being connected after the capacitor C 4 through the 3rd resistance R 46;
The 4th terminal of described monostable flipflop U8 connects with the 10th terminal, and the 8th terminal connects and ground connection with the 9th terminal; With the 4th terminal, the 1st terminal, the 9th terminal and the 12nd terminal of door U9, all be connected with the 13rd terminal of monostable flipflop U8; The 7th terminal ground connection with door U9.
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 |
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| CN103017304A true CN103017304A (en) | 2013-04-03 |
| CN103017304B CN103017304B (en) | 2015-12-09 |
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| Application Number | Title | Priority Date | Filing Date |
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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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| CN103017304B (en) | 2015-12-09 |
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Granted publication date: 20151209 Termination date: 20161227 |