CN206075168U - A kind of Along Railway Unattended communication room temperature-control circuit - Google Patents
A kind of Along Railway Unattended communication room temperature-control circuit Download PDFInfo
- Publication number
- CN206075168U CN206075168U CN201620923834.4U CN201620923834U CN206075168U CN 206075168 U CN206075168 U CN 206075168U CN 201620923834 U CN201620923834 U CN 201620923834U CN 206075168 U CN206075168 U CN 206075168U
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- CN
- China
- Prior art keywords
- control circuit
- room temperature
- audion
- relay
- along railway
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
This utility model provides a kind of Along Railway Unattended communication room temperature-control circuit.The Along Railway Unattended communication room temperature-control circuit is included for monitoring the temperature sensor of communication machine room temperature, the reference voltage circuit for adjusting reference voltage, the operational amplifier for being electrically connected with the temperature sensor and the reference voltage circuit respectively and control circuit for controlling air-conditioning work state in communications equipment room；The control circuit includes diode, audion and the relay being sequentially connected electrically, and the diode is electrically connected with the operational amplifier, and the input control end of the relay is electrically connected with the audion, and the output control terminal of the relay is electrically connected with air-conditioning.The beneficial effects of the utility model are：The Along Railway Unattended communication room temperature-control circuit can automatically adjust temperature in communications equipment room by controlling the working condition of air-conditioning, improve the reliability and stability of air-conditioning work.
Description
Technical field
This utility model is related to a kind of Along Railway Unattended communication room temperature-control circuit.
Background technology
Along Railway has many Unattended communication rooms, is to ensure communication equipment energy normal work, and computer room temperature is necessary
Below 25 degree.At present, computer room temperature mainly by be air conditioner oneself control, when room temperature reaches design temperature, air-conditioning
Machine stops refrigeration, but air conditioner is still dried work, electricity on circuit.So, substantial amounts of electric energy is on the one hand wasted, in addition, causing
Along Railway has many Unattended communication room air-conditioning fault rates very high.
Therefore, it is necessary to propose a kind of Along Railway unattended communication's machine that can automatically adjust temperature in communications equipment room
Room temperature-control circuit.
Utility model content
The purpose of this utility model be provide a kind of Along Railway that can automatically adjust temperature in communications equipment room nobody
Communication machine room temperature control circuit on duty.
The technical solution of the utility model is as follows：A kind of Along Railway Unattended communication room temperature-control circuit includes
For monitor the temperature sensor of communication machine room temperature, the reference voltage circuit for adjusting reference voltage, respectively with the temperature
Operational amplifier and be used to control air-conditioning work shape in communications equipment room that degree sensor and the reference voltage circuit are electrically connected
The control circuit of state；The control circuit includes diode, audion and the relay being sequentially connected electrically, the diode and institute
Operational amplifier electrical connection is stated, the input control end of the relay is electrically connected with the audion, the output of the relay
Control end is electrically connected with air-conditioning.
Preferably, the reference voltage circuit include one end ground connection adjustable potentiometer, the adjustable potentiometer it is another
End is electrically connected with the operational amplifier.
Preferably, the operational amplifier is SF741 operational amplifiers.
Preferably, the temperature sensor electrically connects the in-phase input end of the operational amplifier, the reference voltage electricity
Road electrically connects the inverting input of the operational amplifier, and the diode of the control circuit electrically connects the operational amplifier
Outfan.
Preferably, the audion is NPN type triode, then the base stage of the audion is electrically connected with the diode,
The colelctor electrode of the audion accesses the input control end of the relay, and the emitter stage of the audion accesses the negative of power supply
Pole, and the input control end of the relay accesses the positive pole of the power supply.
Preferably, the audion is PNP type triode, then the base stage of the audion is electrically connected with the diode,
The colelctor electrode of the audion accesses the input control end of the relay, and the emitter stage of the audion is just accessing power supply
Pole, and the input control end of the relay accesses the negative pole of the power supply.
Preferably, a resistance is also serially connected between the operational amplifier and the diode.
Preferably, the temperature sensor is LM35 temperature sensors.
The beneficial effects of the utility model are：The Along Railway Unattended communication room temperature-control circuit is logical
The power supply of letter air conditioner in machine room machine increases temperature-control circuit, when room temperature is to design temperature, air-conditioning power-off, when room temperature is higher than setting
During temperature, power-on of air conditioner refrigeration work.Therefore, the Along Railway Unattended communication room temperature-control circuit can pass through
Control the working condition of air-conditioning and automatically adjust temperature in communications equipment room, improve the reliability and stability of air-conditioning work.
Description of the drawings
Fig. 1 is the structure of the Along Railway Unattended communication room temperature-control circuit that this utility model embodiment is provided
Block diagram.
Specific embodiment
In order that the purpose of this utility model, technical scheme and advantage become more apparent, below in conjunction with accompanying drawing and enforcement
Example, is further elaborated to this utility model.It should be appreciated that specific embodiment described herein is only to explain
This utility model, is not used to limit this utility model.
The description of specific distinct unless the context otherwise, the element and component in this utility model, quantity both can be with single
In the form of, it is also possible in the form of multiple, this utility model is not defined to this.It is appreciated that institute herein
The term "and/or" for using is related to and covers one of associated Listed Items or one or more of any and be possible to
Combination.
Fig. 1 is referred to, is the Along Railway Unattended communication room temperature control electricity that this utility model embodiment is provided
The structured flowchart on road.The Along Railway Unattended communication room temperature-control circuit 100 is included for monitoring communications equipment room
The temperature sensor 10 of temperature, the reference voltage circuit 20 for adjusting reference voltage, respectively with the temperature sensor 10 and
The operational amplifier 30 of the electrical connection of the reference voltage circuit 20, and for controlling the control of air-conditioning work state in communications equipment room
Circuit processed 40.Wherein, the control circuit 40 electrically connects setting with the operational amplifier 30.
The temperature sensor 10 is LM35 temperature sensors.And, the output voltage of the temperature sensor 10 with take the photograph
Family name's temperature scale is linear, is output as 0V at 0 DEG C, often raises 1 DEG C, then output voltage increases 10mV.And the temperature is passed
The measurement range of sensor 10 is -55 DEG C to 150 DEG C.
The reference voltage circuit 20 includes the adjustable potentiometer 21 of one end ground connection, the other end of the adjustable potentiometer 21
Electrically connect with the operational amplifier 30.In the present embodiment, the adjustable potentiometer 21 has 22K Ω and 10K Ω gears.
The operational amplifier 30 is SF741 operational amplifiers.Specifically, in the present embodiment, the temperature sensor
10 in-phase input ends for electrically connecting the operational amplifier 30, the reference voltage circuit 20 electrically connect the operational amplifier 30
Inverting input, the control circuit 40 electrically connects the outfan of the operational amplifier 30.
The control circuit 40 includes diode 41, audion 42 and the relay 43 being sequentially connected electrically, the diode
41 are electrically connected with the outfan of the operational amplifier 30, and input control end and the audion 42 of the relay 43 are electrically connected
Connect, the output control terminal of the relay 43 is electrically connected with air-conditioning 200.And, in the operational amplifier 30 and two pole
A resistance 44 is serially connected between pipe 41 also.Selectively, the resistance of the resistance 44 is 5.1K Ω.
In the present embodiment, the audion 42 is NPN type triode, then the base stage of the audion 42 and two pole
Pipe 41 is electrically connected, the colelctor electrode of the audion 42 accesses the input control end of the relay 43, and the audion 42 is sent out
Emitter-base bandgap grading accesses the negative pole of power supply, and the input control end of the relay 43 accesses the positive pole of the power supply.
Selectively, the present embodiment is not limited to, the audion 42 can also be PNP type triode, then the audion
42 base stage is electrically connected with the diode 41, and the colelctor electrode of the audion 42 accesses the input control of the relay 43
The positive pole of power supply is accessed at end, the emitter stage of the audion 42, and the input control end of the relay 43 accesses the power supply
Negative pole.
When the Along Railway Unattended communication room temperature-control circuit 100 works, when the temperature sensor
The temperature of 10 detections is higher than set temperature value (for example：25 DEG C, 30 DEG C or 35 DEG C), adjust the benchmark of the reference voltage circuit 20
Voltage potentiometer, makes the voltage of the in-phase input end of the operational amplifier 30 be more than the voltage of inverting input, then the fortune
The outfan output high level of amplifier 30 is calculated, the diode 41 and audion 42 of the control circuit 40 are turned on, the relay
43 action of device so that 43 junction closure of the relay, electroluminescent cold work on the air-conditioner 200.
When the temperature of the detection of the temperature sensor 10 is less than set temperature value, the homophase input of the operational amplifier 30
The voltage at end is less than the voltage of inverting input, then the outfan output low level of the operational amplifier 30, the control electricity
The diode 41 and audion 42 on road 40 ends, and the relay 43 discharges so that 43 contact of the relay disconnects, the sky
Adjust 200 power-off of device.
Compared to prior art, the Along Railway Unattended communication room temperature-control circuit that this utility model is provided exists
The power supply of communications equipment room air conditioner increases temperature-control circuit, when room temperature is to design temperature, air-conditioning power-off, when room temperature is higher than to set
When constant temperature is spent, power-on of air conditioner refrigeration work.Therefore, the Along Railway Unattended communication room temperature-control circuit can lead to
Cross the working condition of control air-conditioning and automatically adjust temperature in communications equipment room, improve the reliability and stability of air-conditioning work.
It is obvious to a person skilled in the art that this utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, can realize that this practicality is new in other specific forms
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type is by claims rather than described above is limited, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in this utility model.Any reference in claim should not be considered as restriction
Involved claim.
Moreover, it will be appreciated that although this specification is been described by according to embodiment, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of description is only that those skilled in the art should for clarity
Using description as an entirety, the technical scheme in each embodiment can also Jing it is appropriately combined, form those skilled in the art
Understandable other embodiment.
Claims (8)
1. a kind of Along Railway Unattended communication room temperature-control circuit, it is characterised in that include：For monitoring communication equipment
The temperature sensor of room temperature, the reference voltage circuit for adjusting reference voltage, respectively with the temperature sensor and described
The operational amplifier and the control circuit for controlling air-conditioning work state in communications equipment room of reference voltage circuit electrical connection；
The control circuit includes diode, audion and the relay being sequentially connected electrically, and the diode is put with the computing
Big device electrical connection, the input control end of the relay electrically connects with the audion, the output control terminal of the relay and
Air-conditioning is electrically connected.
2. Along Railway Unattended communication room temperature-control circuit according to claim 1, it is characterised in that described
Reference voltage circuit includes the adjustable potentiometer of one end ground connection, the other end of the adjustable potentiometer and operational amplifier electricity
Connection.
3. Along Railway Unattended communication room temperature-control circuit according to claim 1, it is characterised in that described
Operational amplifier is SF741 operational amplifiers.
4. Along Railway Unattended communication room temperature-control circuit according to claim 3, it is characterised in that described
Temperature sensor electrically connects the in-phase input end of the operational amplifier, and the reference voltage circuit electrically connects the operation amplifier
The inverting input of device, the diode of the control circuit electrically connect the outfan of the operational amplifier.
5. Along Railway Unattended communication room temperature-control circuit according to claim 1, it is characterised in that described
Audion is NPN type triode, then the base stage of the audion is electrically connected with the diode, and the colelctor electrode of the audion connects
Enter the input control end of the relay, the emitter stage of the audion accesses the negative pole of power supply, and the input of the relay
Control end accesses the positive pole of the power supply.
6. Along Railway Unattended communication room temperature-control circuit according to claim 1, it is characterised in that described
Audion is PNP type triode, then the base stage of the audion is electrically connected with the diode, and the colelctor electrode of the audion connects
Enter the input control end of the relay, the emitter stage of the audion accesses the positive pole of power supply, and the input of the relay
Control end accesses the negative pole of the power supply.
7. Along Railway Unattended communication room temperature-control circuit according to claim 1, it is characterised in that in institute
State.
8. Along Railway Unattended communication room temperature-control circuit according to claim 1, it is characterised in that described
Temperature sensor is LM35 temperature sensors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620923834.4U CN206075168U (en) | 2016-08-23 | 2016-08-23 | A kind of Along Railway Unattended communication room temperature-control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620923834.4U CN206075168U (en) | 2016-08-23 | 2016-08-23 | A kind of Along Railway Unattended communication room temperature-control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206075168U true CN206075168U (en) | 2017-04-05 |
Family
ID=58431315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620923834.4U Expired - Fee Related CN206075168U (en) | 2016-08-23 | 2016-08-23 | A kind of Along Railway Unattended communication room temperature-control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206075168U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108646803A (en) * | 2018-05-14 | 2018-10-12 | 商洛学院 | A kind of chemical experiment reaction unit thermostatic controller |
-
2016
- 2016-08-23 CN CN201620923834.4U patent/CN206075168U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108646803A (en) * | 2018-05-14 | 2018-10-12 | 商洛学院 | A kind of chemical experiment reaction unit thermostatic controller |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170405 Termination date: 20170823 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |