CN202472319U - Energy-saving control circuit for communication equipment - Google Patents
Energy-saving control circuit for communication equipment Download PDFInfo
- Publication number
- CN202472319U CN202472319U CN2012200755953U CN201220075595U CN202472319U CN 202472319 U CN202472319 U CN 202472319U CN 2012200755953 U CN2012200755953 U CN 2012200755953U CN 201220075595 U CN201220075595 U CN 201220075595U CN 202472319 U CN202472319 U CN 202472319U
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- circuit
- temperature
- energy
- saving control
- communication facilities
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Abstract
The utility model discloses an energy-saving control circuit for communication equipment. The circuit comprises a temperature detection circuit, a singlechip control chip, a scaling circuit and a switching circuit, which are electrically connected in sequence, wherein the output end of the switching circuit is connected with radiating electric parts; and a temperature sensing device in the temperature detection circuit is installed in the region where a power amplifier in the communication equipment is located. After adopting the energy-saving control circuit, the real-time temperature in the communication equipment is acquired by the temperature detection circuit, the current temperature value is read by the singlechip control chip, when the temperature acquired by the temperature detection circuit is lower than that set by the singlechip control chip, the radiating electric parts such as fans stop working, and when the temperature acquired by the temperature detection circuit is higher than that set by the singlechip control chip, the radiating electric parts such as fans work. Compared with the prior art, the energy-saving control circuit can control operation of the radiating electric parts such as fans according to the real-time temperature in the communication equipment to achieve the aim of energy saving.
Description
Technical field
The utility model relates to a kind of energy-saving control circuit, specifically is the energy-saving control circuit that is used for communication facilities.
Background technology
In the communication facilities because as device work meetings such as power amplifier cause that temperature raises in the equipment, generally heat radiation electrical part such as installation fan comes radiating and cooling in equipment.Heat radiation such as the fan of using in existing communication facilities electrical part; Its control circuit has only simple unlatching and breaking circuit, when control circuit is started working, no matter environment temperature what; Heat radiation electrical parts such as fan all are free of discontinuities operations in a day 24 hours, and energy consumption is very big.In addition, be not the state that always is in high temperature in the time of some communication device works, cause the waste of the energy equally if let the heat radiation electrical part work always.
The utility model content
The purpose of the utility model provides a kind of energy-saving control circuit that is used for communication facilities, and running or stall that it can control heat radiation electrical parts such as fan according to the real time temperature in the communication facilities reach purpose of energy saving.
The technical scheme of the utility model is such: the energy-saving control circuit that is used for communication facilities; Comprise the temperature sensing circuit, singlechip control chip, scale operation circuit and the on-off circuit that are electrically connected successively; The output terminal of said switching circuit connects the heat radiation electrical part, and the temperature sensor in the temperature sensing circuit is installed on the zone at power amplifier place in the communication facilities.
Temperature sensor in the said temperature testing circuit is TEMP chip DS18B20.
The aforementioned proportion computing circuit comprises operational amplifier and peripheral cell thereof, the output terminal that the positive polarity input pin connection reference voltage source of this operational amplifier, negative polarity input pin connect above-mentioned singlechip control chip.
Said switching circuit comprises the triode and the FET of the output terminal that is connected in the aforementioned proportion computing circuit successively, and above-mentioned heat radiation electrical part is connected on the source electrode of FET.
After adopting such scheme; The energy-saving control circuit that is used for communication facilities of the utility model, the real time temperature through in the temperature sensing circuit collection communication equipment reads current temperature value through singlechip control chip; When if the temperature of temperature sensing circuit collection is lower than the temperature of singlechip control chip setting; Singlechip control chip output low level electric signal, the not conducting of CS circuit, heat radiation electrical parts such as fan quit work; When if the temperature of temperature sensing circuit collection is higher than the temperature of singlechip control chip setting, singlechip control chip output high level electric signal, CS circuit turn-on, the work of heat radiation such as fan electrical part.Compared with prior art, whether the running that the utility model can be controlled heat radiation such as fan electrical parts according to the real time temperature in the communication facilities reaches purpose of energy saving.
Description of drawings
Fig. 1 is the circuit theory diagrams of the utility model.
Embodiment
The energy-saving control circuit that is used for communication facilities of the utility model, as shown in Figure 1, comprise temperature sensing circuit, singlechip control chip, scale operation circuit and on-off circuit.
Temperature sensing circuit is mainly by TEMP chip IC 1 (DS18B20; Be set at the sampling of 12 megadyne temperature degree; Minimum temperature resolution is 0.0625 degree) and the peripheral cell formation, the output terminal of TEMP chip IC 1 (the 4th pin) is connected to the input end of singlechip control chip IC2; TEMP chip IC 1 is installed on the zone at power amplifier place in the communication facilities.
The scale operation circuit mainly is made up of operational amplifier IC3 and peripheral circuit thereof; Resistance R 3 and resistance R 4 are serially connected with between 12V power supply and the ground, and IC3 provides reference voltage for operational amplifier; The positive polarity input pin of operational amplifier IC3 is connected on the connection end point of resistance R 3 and resistance R 4; The negative polarity input pin of operational amplifier IC3 is connected in the output terminal of singlechip control chip IC2;
On-off circuit comprises triode Q1 (NPN) and FET M1; The base stage of triode Q1 is connected in the output terminal of operational amplifier IC3 through resistance R 7; The collector of triode Q1 is connected to the grid of FET M1; The drain electrode of FET M1 is connected to the 12V power supply through resistance R 10, and the source electrode of FET M1 (output terminal of on-off circuit) connects control interface J1, and control interface J1 is in order to heat radiation electrical parts such as connection fans.
During work; Through the real time temperature in the TEMP chip IC 1 collection communication equipment; IC2 reads current temperature value through singlechip control chip, converts this temperature value to negative polarity input pin that electric signal inputs to operational amplifier IC3 by singlechip control chip IC2;
When if the temperature that TEMP chip IC 1 is gathered is lower than the temperature of singlechip control chip IC2 setting; Singlechip control chip IC2 output low level electric signal is to the negative polarity input pin of operational amplifier IC3; Operational amplifier IC3 output high level makes triode Q1 be in the state of conducting on the base stage of triode Q1, and the collector of triode Q1 is received the grid of FET M1; Because the resistance of triode Q1 is near zero; The source level of FET M1 also is in cut-off state near zero, and the voltage of control interface J1 just can't be heat radiation electrical part power supplies such as fan near zero like this, and heat radiation electrical parts such as fan quit work;
When if the temperature that TEMP chip IC 1 is gathered is higher than the temperature of singlechip control chip IC2 setting; Singlechip control chip IC2 output high level electric signal is to the negative polarity input pin of operational amplifier IC3; Operational amplifier IC3 output low level makes triode Q1 be in the state that ends on the base stage of triode Q1, and the collector of triode Q1 is received the grid of FET M1; The source level output high level of FET M1 reaches conducting state; Control interface J1 obtains voltage, is heat radiation electrical part power supplies such as fan, the work of heat radiation such as fan electrical part.
Singlechip control chip IC2 can through host computer set the temperature that will control; When the temperature that samples when TEMP chip IC 1 is higher than institute's controlling temperature scope, then keep heat radiation electrical part runnings such as fan, temperature is controlled through heat radiation electrical parts such as fans; Heat radiation electrical parts such as limit control fan; Limit feedback sample temperature, limit control temperature, up to temperature stabilization at institute's controlling temperature.
Compared with prior art, whether the running that the utility model can be controlled heat radiation such as fan electrical parts according to the real time temperature in the communication facilities reaches purpose of energy saving.And this circuit adopts the comparison operation circuit as heat radiation electrical part gating work controls such as fans, because comparator circuit does not have the gating critical conditions, the application of critical conditions is more stable.
Claims (4)
1. the energy-saving control circuit that is used for communication facilities; It is characterized in that: comprise the temperature sensing circuit, singlechip control chip, scale operation circuit and the on-off circuit that are electrically connected successively; The output terminal of said switching circuit connects the heat radiation electrical part, and the temperature sensor in the temperature sensing circuit is installed on the zone at power amplifier place in the communication facilities.
2. the energy-saving control circuit that is used for communication facilities according to claim 1 is characterized in that: the temperature sensor in the said temperature testing circuit is TEMP chip DS18B20.
3. the energy-saving control circuit that is used for communication facilities according to claim 1; It is characterized in that: the aforementioned proportion computing circuit comprises operational amplifier and peripheral cell thereof, the output terminal that the positive polarity input pin connection reference voltage source of this operational amplifier, negative polarity input pin connect above-mentioned singlechip control chip.
4. the energy-saving control circuit that is used for communication facilities according to claim 1; It is characterized in that: said switching circuit comprises the triode and the FET of the output terminal that is connected in the aforementioned proportion computing circuit successively, and above-mentioned heat radiation electrical part is connected on the source electrode of FET.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200755953U CN202472319U (en) | 2012-03-01 | 2012-03-01 | Energy-saving control circuit for communication equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200755953U CN202472319U (en) | 2012-03-01 | 2012-03-01 | Energy-saving control circuit for communication equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202472319U true CN202472319U (en) | 2012-10-03 |
Family
ID=46920463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200755953U Expired - Fee Related CN202472319U (en) | 2012-03-01 | 2012-03-01 | Energy-saving control circuit for communication equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202472319U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103867477A (en) * | 2014-03-14 | 2014-06-18 | 熊猫电子集团有限公司 | PWM (pulse-width modulation) speed regulating circuit for direct current fan and PWM speed regulating method |
| CN104601155A (en) * | 2013-10-30 | 2015-05-06 | 英飞凌科技奥地利有限公司 | switching circuit |
-
2012
- 2012-03-01 CN CN2012200755953U patent/CN202472319U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104601155A (en) * | 2013-10-30 | 2015-05-06 | 英飞凌科技奥地利有限公司 | switching circuit |
| CN104601155B (en) * | 2013-10-30 | 2018-09-25 | 英飞凌科技奥地利有限公司 | Switching circuit |
| CN103867477A (en) * | 2014-03-14 | 2014-06-18 | 熊猫电子集团有限公司 | PWM (pulse-width modulation) speed regulating circuit for direct current fan and PWM speed regulating method |
| CN103867477B (en) * | 2014-03-14 | 2015-09-30 | 熊猫电子集团有限公司 | A kind of DC fan PWM alignment circuit and method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121003 Termination date: 20170301 |