CN204179958U - A kind of Digital Clustering base station power supply - Google Patents
A kind of Digital Clustering base station power supply Download PDFInfo
- Publication number
- CN204179958U CN204179958U CN201420693287.6U CN201420693287U CN204179958U CN 204179958 U CN204179958 U CN 204179958U CN 201420693287 U CN201420693287 U CN 201420693287U CN 204179958 U CN204179958 U CN 204179958U
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- circuit
- power
- power supply
- base station
- modular converter
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- Power Conversion In General (AREA)
- Control Of Voltage And Current In General (AREA)
Abstract
The utility model discloses a kind of Digital Clustering base station power supply, comprise casing and power of alterating and direct current modular converter, it is characterized in that: described casing front panel is provided with digital voltage indicator panel, described power of alterating and direct current modular converter comprises the em filtering circuit connected successively, AC rectification filter circuit, commutation circuit, transformer, direct-current rectification filter circuit, described commutation circuit and overload protecting circuit, pwm control circuit connects between two, the output of described direct-current rectification filter circuit is connected with pwm control circuit with overvoltage crowbar respectively by testing circuit, described casing front panel is provided with mains switch and power supply indicator, described casing rear board is provided with 220V and exchanges input socket, 220V AC power is insured, 13.8V DC power output end.The utility model has good operability, working stability, failure rate is low and advantage easy to maintenance, effectively meets the demand of Digital Clustering base station to quality power.
Description
Technical field
The utility model relates to a kind of base station power supply, especially a kind of power supply changed for public security and military system's Digital Clustering base station power of alterating and direct current.
Background technology
Digital cluster communication technology changes the drawbacks such as analog cluster system function singleness, technological obsolescence, inefficiency, there is brand-new technical system, flexibly communication framework and powerful service function, be the comprehensive carrier of the plurality of communication services such as speech, data, short message transmission, image links, progressively become the main flow of the Communications Markets such as Chinese public security and army.In prior art, the utility model of Authorization Notice No. CN202759385U provides a kind of power supply adaptor, comprise the input rectifier of cascade successively, input filter, high frequency transformer, output rectifier and output circuit, it is characterized in that, also comprise a pulse width control circuit, the output of this pulse width control circuit is connected with described high frequency transformer, and a feedback circuit, one end of this feedback circuit is connected with described output circuit, the other end is connected with described pulse width control circuit, this utility model compact conformation, volume is little, stable performance safety, but also need to improve in operability and maintainability.
Summary of the invention
For the deficiencies in the prior art, the utility model provides a kind of good operability, working stability, be easy to the Digital Clustering base station power supply safeguarded and cost performance is high.
The technical solution of the utility model is: a kind of Digital Clustering base station power supply, comprise casing and power of alterating and direct current modular converter, it is characterized in that: described casing front panel is provided with digital voltage indicator panel, described digital voltage indicator panel is connected with the digital voltage circuit module be arranged in casing, described digital voltage circuit module is connected with the power of alterating and direct current modular converter being positioned at casing, described power of alterating and direct current modular converter comprises the em filtering circuit connected successively, AC rectification filter circuit, commutation circuit, transformer, direct-current rectification filter circuit, described commutation circuit and overload protecting circuit, pwm control circuit connects between two, the output of described direct-current rectification filter circuit is connected to testing circuit and overvoltage crowbar, described testing circuit is all connected with pwm control circuit with overvoltage crowbar, described casing front panel is provided with the mains switch be connected with power of alterating and direct current modular converter and power supply indicator, described casing rear board is provided with the 220V be connected with power of alterating and direct current modular converter and exchanges input socket, 220V AC power is insured, 13.8V DC power output end.
Described mains switch control 220V power supply, and be connected to the input of AC rectification filter circuit.
Described power supply indicator is connected with overvoltage crowbar with pwm control circuit respectively.
Described 220V AC power insurance is connected with overload protecting circuit.
Optocoupler is provided with between described testing circuit and pwm control circuit.
Described digital voltage circuit module comprises the measurement module, modular converter and the display module that connect successively.
The beneficial effects of the utility model are: easy to assembly, good operability, working stability, are easy to safeguard, cost performance is high, are a kind of quality powers being applicable to Digital Clustering base station scale application.
Accompanying drawing explanation
Fig. 1 is circuit block diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described further:
As shown in Figure 1, a kind of Digital Clustering base station power supply, comprise casing and power of alterating and direct current modular converter, for being 13.8V DC power supply by 220V Power convert, described casing front panel is provided with the digital voltage indicator panel for display translation voltage, described digital voltage indicator panel is connected with the digital voltage circuit module be arranged in casing, described digital voltage circuit module comprises the measurement module, modular converter and the display module that connect successively, and described digital voltage circuit module is connected with the power of alterating and direct current modular converter being positioned at casing;
Described power of alterating and direct current modular converter comprises the em filtering circuit, AC rectification filter circuit, commutation circuit, transformer, the direct-current rectification filter circuit that connect successively, described commutation circuit is connected between two with overload protecting circuit, pwm control circuit, the output of described direct-current rectification filter circuit is connected to testing circuit and overvoltage crowbar, described testing circuit is connected with pwm control circuit by optocoupler, described overvoltage crowbar is connected with pwm control circuit by power supply indicator, and power supply indicator is used for providing warning when output overvoltage; Described power supply indicator is arranged on casing front panel, and described casing front panel is also provided with the mains switch being connected to AC rectification filter circuit input;
Described casing rear board is provided with power of alterating and direct current modular converter be connected 220V exchanges input socket, 220V AC power is insured, 13.8V DC power output end, wherein 220V AC power insure be connected with overload protecting circuit; Based on said structure design, the utility model has good operability, working stability, failure rate is low and advantage easy to maintenance, effectively meets the demand of Digital Clustering base station to quality power.
What describe in above-described embodiment and specification just illustrates principle of the present utility model and most preferred embodiment; under the prerequisite not departing from 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 (6)
1. a Digital Clustering base station power supply, comprise casing and power of alterating and direct current modular converter, it is characterized in that: described casing front panel is provided with digital voltage indicator panel, described digital voltage indicator panel is connected with the digital voltage circuit module be arranged in casing, described digital voltage circuit module is connected with the power of alterating and direct current modular converter being positioned at casing, described power of alterating and direct current modular converter comprises the em filtering circuit connected successively, AC rectification filter circuit, commutation circuit, transformer, direct-current rectification filter circuit, described commutation circuit and overload protecting circuit, pwm control circuit connects between two, the output of described direct-current rectification filter circuit is connected to testing circuit and overvoltage crowbar, described testing circuit is all connected with pwm control circuit with overvoltage crowbar, described casing front panel is provided with the mains switch be connected with power of alterating and direct current modular converter and power supply indicator, described casing rear board is provided with the 220V be connected with power of alterating and direct current modular converter and exchanges input socket, 220V AC power is insured, 13.8V DC power output end.
2. Digital Clustering base station power supply according to claim 1, is characterized in that: described mains switch is connected to the input of AC rectification filter circuit.
3. Digital Clustering base station power supply according to claim 1, is characterized in that: described power supply indicator is connected with overvoltage crowbar with pwm control circuit respectively.
4. Digital Clustering base station power supply according to claim 1, is characterized in that: described 220V AC power insurance is connected with overload protecting circuit.
5. Digital Clustering base station power supply according to claim 1, is characterized in that: be provided with optocoupler between described testing circuit and pwm control circuit.
6. Digital Clustering base station power supply according to claim 1, is characterized in that: described digital voltage circuit module comprises the measurement module, modular converter and the display module that connect successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420693287.6U CN204179958U (en) | 2014-11-19 | 2014-11-19 | A kind of Digital Clustering base station power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420693287.6U CN204179958U (en) | 2014-11-19 | 2014-11-19 | A kind of Digital Clustering base station power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204179958U true CN204179958U (en) | 2015-02-25 |
Family
ID=52568732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420693287.6U Expired - Fee Related CN204179958U (en) | 2014-11-19 | 2014-11-19 | A kind of Digital Clustering base station power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204179958U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109995251A (en) * | 2019-04-02 | 2019-07-09 | 童芸芸 | A kind of indifference formula power supply of ring network cabinet dehumidification system |
-
2014
- 2014-11-19 CN CN201420693287.6U patent/CN204179958U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109995251A (en) * | 2019-04-02 | 2019-07-09 | 童芸芸 | A kind of indifference formula power supply of ring network cabinet dehumidification system |
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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 |
Granted publication date: 20150225 Termination date: 20211119 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |