CN203835692U - Telecommunication base station unit refrigeration compressor controller - Google Patents
Telecommunication base station unit refrigeration compressor controller Download PDFInfo
- Publication number
- CN203835692U CN203835692U CN201420239881.8U CN201420239881U CN203835692U CN 203835692 U CN203835692 U CN 203835692U CN 201420239881 U CN201420239881 U CN 201420239881U CN 203835692 U CN203835692 U CN 203835692U
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- Prior art keywords
- control circuit
- circuit
- base station
- compressor
- frequency
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- Expired - Lifetime
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- 238000005057 refrigeration Methods 0.000 title abstract description 7
- 238000001514 detection method Methods 0.000 claims abstract description 16
- 230000002159 abnormal effect Effects 0.000 claims abstract description 8
- 230000001681 protective effect Effects 0.000 claims description 15
- 238000012545 processing Methods 0.000 claims description 9
- 238000004891 communication Methods 0.000 claims description 4
- 238000013500 data storage Methods 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 abstract 4
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Control Of Positive-Displacement Pumps (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
The utility model discloses a telecommunication base station unit refrigeration compressor controller. The telecommunication base station unit refrigeration compressor controller is characterized by comprising a three-phase inverter circuit, a current detection circuit, a temperature control module, a control circuit, an alarm module and a protection switch, wherein the three-phase inverter circuit is used for converting direct current input from a storage battery into three-phase alternating current required by running of a direct current frequency conversion compressor; the current detection circuit is used for detecting rectified current and voltage and feeding signals back to the control circuit; the temperature control module is used for detecting the temperature in the direct current frequency conversion compressor through a temperature sensor and feeding the temperature back to the control circuit; the control circuit is used for adjusting the three-phase bridge-type inverter circuit so that the three-phase alternating current can be output to the direct current frequency conversion compressor; the alarm module is used for sending corresponding alarm signals when the control circuit receives abnormal signals; when an abnormal condition occurs, the control circuit makes the direct current frequency conversion compressor stop running by adjusting the protection switch. The telecommunication base station unit refrigeration compressor controller has the advantages of being convenient to use, high in control accuracy, good in safety and high in quality.
Description
Technical field
The utility model relates to a kind of compressor controller, especially a kind of telecomm base station unit controller for refrigerating compressor.
Background technique
The development of the communications industry is very rapid, and each operator has also set up increasing base station thereupon, due to the particularity of telecomm base station running environment, need to carry out year round cooling, and therefore the quality requirement for refrigeration compressor is also increasing.Controller is the critical component of refrigeration compressor operation, but existing controller product can't fully meet telecomm base station for the requirement of control accuracy and usability.
Summary of the invention
For the deficiencies in the prior art, the utility model provides a kind of easy to use, control accuracy is high and Security is good telecomm base station unit controller for refrigerating compressor.
The technical solution of the utility model is: a kind of telecomm base station unit controller for refrigerating compressor, it is characterized in that, and comprising:
Three-phase inverting circuit, moves required threephase AC for converting the direct current from storage battery input to DC frequency-changeable compressor;
Current detection circuit, for detection of the current/voltage after rectification, and by signal feed back to control circuit;
Temperature control module, is detected the temperature in DC frequency-changeable compressor and is fed back to control circuit by temperature transducer;
Control circuit, according to current detection signal and temperature sensor signal, regulates three-phase inverter bridge circuit to export threephase AC to DC frequency-changeable compressor, to realize thermostatically controlled effect;
Alarm module, for when control circuit receives abnormal signal, sends corresponding alarm signal by this module;
Protective switch, when abnormal state appears in the situations such as electric moter voltage, compressor air-discharging, control circuit is by regulating protective switch to make DC frequency-changeable compressor out of service.
Described current detection circuit comprises first signal processing circuit, by resistance R 1, gathers the first via current value of three-phase inverting circuit and the output signal of phase place; Secondary signal processing circuit, gathers the second road current value of three-phase inverting circuit and the output signal of phase place by resistance R 2; The 3rd signal processing circuit, it gathers the Third Road current value of three-phase inverting circuit and the output signal of phase place by resistance R 3.
Described control circuit is DSP control circuit (control circuit based on DSP digital signal processor), and as preferably, this control circuit is also provided with data storage, wireless communication device, load module and display modular.
Described protective switch is electric moter voltage protective switch, air discharge cook or motor operating state protective switch.
The built-in frequency variator of described DC frequency-changeable compressor, control circuit is by the operation of Frequency Converter Control DC frequency-changeable compressor.
The beneficial effects of the utility model are: used the three-phase inverting circuit with lower cost; by control circuit (DSP control circuit), current detection circuit and temperature control module, can realize highi degree of accuracy controls; Safety performance while having promoted compressor operating by alarm module and protective switch, has met the demand of telecomm base station unit to high-quality refrigeration compressor controlling component.
Accompanying drawing explanation
Fig. 1 is circuit block diagram of the present utility model.
Fig. 2 is the schematic diagram of the utility model power supply unit and control circuit.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described further:
As shown in Figure 1, a kind of telecomm base station unit controller for refrigerating compressor, includes: three-phase inverting circuit, moves required threephase AC for converting the direct current from storage battery input to DC frequency-changeable compressor; Current detection circuit, for detection of the current/voltage after rectification, and by signal feed back to control circuit; Temperature control module, is detected the temperature in DC frequency-changeable compressor and is fed back to control circuit by temperature transducer; Control circuit is selected existing dsp chip, can be according to current detection signal and temperature sensor signal, thereby regulate three-phase inverter bridge circuit to DC Brushless Motor, to regulate the operation of DC frequency-changeable compressor with output threephase AC, to realize thermostatically controlled effect, and when temperature exceeds setting range, control circuit is controlled the startup of DC Brushless Motor and is stopped by built-in temperature detect switch (TDS); Alarm module, adopts buzzer or tutorial light, for when control circuit receives abnormal signal, by this module, sends corresponding alarm signal; Protective switch is electric moter voltage protective switch, air discharge cook or motor operating state protective switch, and when abnormal state appears in the exhausts such as electric moter voltage, compressor air-discharging, control circuit control makes DC Brushless Motor out of service by protective switch.In the present embodiment, described control circuit is DSP control circuit, is also connected with data storage, wireless communication device, load module and display modular simultaneously.
As shown in Figure 2, three-phase inverting circuit is connected with the galvanic storage battery of 48V is provided, control circuit is connected with three-phase inverting circuit and the current detection circuit that is arranged at three-phase inverting circuit output terminal respectively, current detection circuit comprises first signal processing circuit, by resistance R 1, gathers the first via current value of three-phase inverting circuit and the output signal of phase place; Secondary signal processing circuit, gathers the second road current value of three-phase inverting circuit and the output signal of phase place by resistance R 2; The 3rd signal processing circuit, it gathers the Third Road current value of three-phase inverting circuit and the output signal of phase place by resistance R 3.Based on above-mentioned design, the utlity model has advantage easy to use, that control accuracy is high and Security is good, be a kind of telecomm base station unit controller for refrigerating compressor product of high-quality.
That in above-described embodiment and specification, describes just illustrates principle of the present utility model and most preferred embodiment; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.
Claims (5)
1. a telecomm base station unit controller for refrigerating compressor, is characterized in that, comprising:
Three-phase inverting circuit, moves required threephase AC for converting the direct current from storage battery input to DC frequency-changeable compressor;
Current detection circuit, for detection of the current/voltage after rectification, and by signal feed back to control circuit;
Temperature control module, is detected the temperature in DC frequency-changeable compressor and is fed back to control circuit by temperature transducer;
Control circuit, according to current detection signal and temperature sensor signal, regulates three-phase inverter bridge circuit to export threephase AC to DC frequency-changeable compressor;
Alarm module, for when control circuit receives abnormal signal, sends corresponding alarm signal by this module;
Protective switch, when abnormal state appears in compressor, control circuit control is by regulating protective switch to make DC frequency-changeable compressor out of service.
2. telecomm base station according to claim 1 unit controller for refrigerating compressor, is characterized in that: described current detection circuit comprises first signal processing circuit, by resistance R 1, gathers the first via current value of three-phase inverting circuit and the output signal of phase place; Secondary signal processing circuit, gathers the second road current value of three-phase inverting circuit and the output signal of phase place by resistance R 2; The 3rd signal processing circuit, it gathers the Third Road current value of three-phase inverting circuit and the output signal of phase place by resistance R 3.
3. telecomm base station according to claim 1 unit controller for refrigerating compressor, is characterized in that: described control circuit is DSP control circuit, and this control circuit is also provided with data storage, wireless communication device, load module and display modular.
4. telecomm base station according to claim 1 unit controller for refrigerating compressor, is characterized in that: described protective switch is electric moter voltage protective switch, air discharge cook or motor operating state protective switch.
5. telecomm base station according to claim 1 unit controller for refrigerating compressor, is characterized in that: the built-in frequency variator of described DC frequency-changeable compressor, control circuit is by the operation of Frequency Converter Control DC frequency-changeable compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420239881.8U CN203835692U (en) | 2014-05-12 | 2014-05-12 | Telecommunication base station unit refrigeration compressor controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420239881.8U CN203835692U (en) | 2014-05-12 | 2014-05-12 | Telecommunication base station unit refrigeration compressor controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203835692U true CN203835692U (en) | 2014-09-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420239881.8U Expired - Lifetime CN203835692U (en) | 2014-05-12 | 2014-05-12 | Telecommunication base station unit refrigeration compressor controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203835692U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107039950A (en) * | 2017-03-27 | 2017-08-11 | 珠海凌达压缩机有限公司 | The method of compressor protection system, air conditioner and compressor protection system control |
-
2014
- 2014-05-12 CN CN201420239881.8U patent/CN203835692U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107039950A (en) * | 2017-03-27 | 2017-08-11 | 珠海凌达压缩机有限公司 | The method of compressor protection system, air conditioner and compressor protection system control |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140917 |