CN204361896U - A kind of essential safety source of Width funtion high efficiency direct current input - Google Patents
A kind of essential safety source of Width funtion high efficiency direct current input Download PDFInfo
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- CN204361896U CN204361896U CN201420813935.7U CN201420813935U CN204361896U CN 204361896 U CN204361896 U CN 204361896U CN 201420813935 U CN201420813935 U CN 201420813935U CN 204361896 U CN204361896 U CN 204361896U
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Abstract
The utility model discloses the essential safety source of a kind of Width funtion high efficiency direct current input, comprise aluminium base base plate and be fixed on the shell on described aluminium base base plate by set bolt, described aluminium base base plate two ends are respectively arranged with input wires terminal and output wiring terminal, described shell inner cavity side is provided with circuit main board, arranges a radiator bottom described circuit main board; Described circuit main board is mainly provided with PWM high-frequency impulse modulator and adopts the initialization module from judging BUCK/BOOST topological circuit.The essential safety source of a kind of Width funtion high efficiency of the utility model direct current input, adopt the essential safety output voltage of compact conformation, volume is little, efficiency is high, easy to install direct current input, can the input of high efficiency direct current, the essential safety source of wide output and easy to use.
Description
Technical field
The utility model relates to a kind of safety power supply, is specially the essential safety source of a kind of Width funtion high efficiency direct current input.
Background technology
At present, China's coal-mine downhole anti-explosion form mainly flame proof and the large class of intrinsic safety two is main, intrinsic safety electric source is widely used in underground coal mine, because traditional Switching Power Supply and DC power supply itself have certain power loss, and the power loss again when being converted to intrinsic safety electric source again.Do not exchange in a lot of place or inconvenience use AC power, and need to use essential safety source.So the essential safety source developing the high efficiency wide input easy to use of a direct current input is very necessary.
Utility model content
The technical problems to be solved in the utility model is the defect overcoming prior art, the essential safety source that a kind of Width funtion high efficiency direct current inputs is provided, the essential safety output voltage that employing compact conformation, the direct current that volume is little, efficiency is high, easy to install input, to solve the problems of the technologies described above.
In order to solve the problems of the technologies described above, the utility model provides following technical scheme:
The utility model is the essential safety source of a kind of Width funtion high efficiency direct current input, comprise aluminium base base plate and be fixed on described aluminium base plate shell by set bolt, described aluminium base base plate two ends are respectively arranged with input wires terminal and output wiring terminal, described shell inner cavity side is provided with circuit main board, arranges a fin bottom described circuit main board; Described circuit main board is mainly provided with PWM high-frequency impulse modulator and adopts the initialization module from judging BUCK/BOOST topological circuit.
Further, the heating element on described circuit main board is positioned at described circuit main board side, and described circuit main board one side bottom is equipped with heating panel.
Further, described circuit main board one end connects the Width funtion input of 5-36VDC, and the described circuit main board other end connects output.
Further, the error amplifier connection reference voltage module that described PWM high-frequency impulse modulator is built-in, described reference voltage model calling waveform generator, described waveform generator connects PWM comparator, described PWM comparator connects DC-DC conversion module, and described DC-DC conversion module connects described error amplifier.
Further, described DC-DC conversion module connection first turns off unit, the first voltage detection unit and the second voltage detection unit fast; Described first turns off unit fast connects the second quick switching units, and the described second quick switching units connects the second current detecting unit, and described second current detecting unit connects the first current detecting unit and then connects output; Described first voltage detection unit connects the first voltage comparison unit, and described first voltage comparison unit connects the first electric current comparing unit and the first current detecting unit, then connects output; Described second voltage detection unit connects the second voltage comparison unit, and described second voltage comparison unit connects the second current detecting unit and the second electric current comparing unit, then connects output.
Further, described first current detecting unit, the first electric current comparing unit and be provided with the first overvoltage absorptive unit and the second overvoltage absorptive unit that are connected in parallel between the second electric current comparing unit and described output.
The beneficial effect that the utility model reaches is:
The essential safety source of a kind of Width funtion high efficiency of the utility model direct current input, adopt the essential safety output voltage of compact conformation, volume is little, efficiency is high, easy to install direct current input, can the input of high efficiency direct current, the essential safety source of wide output and easy to use.
Accompanying drawing explanation
Accompanying drawing is used to provide further understanding of the present utility model, and forms a part for specification, is used from explanation the utility model, does not form restriction of the present utility model with embodiment one of the present utility model.In the accompanying drawings:
Fig. 1 is the essential safety source structural representation of a kind of Width funtion high efficiency direct current input described in the utility model embodiment;
Fig. 2 is the essential safety source module diagram of a kind of Width funtion high efficiency direct current input described in the utility model embodiment;
Fig. 3 is the essential safety source circuit diagram of a kind of Width funtion high efficiency direct current input described in the utility model embodiment;
In figure: 1, aluminium base base plate; 2, output wiring terminal; 3, shell; 4, fin; 5, circuit main board; 6, set bolt; 7, input wires terminal; 8, Width funtion input; 9, initialization module; 10, DC-DC conversion module; 11, error amplifier; 12, reference voltage module; 13, PWM comparator; 14, waveform generator; 15, PWM high-frequency impulse modulator; 16, second unit is turned off fast; 17, first unit is turned off fast; 18, the first current detecting unit; 19, output; 20, the first voltage detection unit; 21, the second voltage detection unit; 22, the first voltage comparison unit; 23, the second voltage comparison unit; 24, the second current detecting unit; 25, the first electric current comparing unit; 26, the second electric current comparing unit; 27, the first overvoltage absorptive unit; 28, the second overvoltage absorptive unit.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described, should be appreciated that preferred embodiment described herein is only for instruction and explanation of the utility model, and be not used in restriction the utility model.
As shown in Figure 1 to Figure 2, the essential safety source of a kind of Width funtion high efficiency of the utility model direct current input, comprise aluminium base base plate 1 and be fixed on the shell 3 on described aluminium base base plate 1 by set bolt 6, aluminium base base plate 1 two ends are respectively arranged with input wires terminal 7 and output wiring terminal 2, shell 3 inner chamber side is provided with circuit main board 5, arranges a fin 4 bottom circuit main board 5; Circuit main board 5 is mainly provided with PWM high-frequency impulse modulator 15 and adopts the initialization module 9 from judging BUCK/BOOST topological circuit.
Adopt the radiating bottom plate of aluminum, circuit main board 5 is fixed on fin 4, the heating element Uniting of circuit main board 5 on right side, on the right side of radiating bottom plate, have the heating panel that a piece is vertical, can for the heating element heat radiation on circuit main board 5.Circuit main board 5 is fixed by the set bolt 6 on aluminium base base plate 1.Whole circuit main board 5 is fixed on aluminium base base plate 1 by shell 3, and the input and output line on circuit main board 5 to be connected on the input wires terminal 7 of shell and output wiring terminal 2.
With reference to figure 3, the heating element on circuit main board 5 is positioned at described circuit main board 5 side, and circuit main board 5 one side bottom is equipped with heating panel.Circuit main board 5 one end connects the Width funtion input 8 of 5-36VDC, and circuit main board 5 other end connects output 19.The built-in error amplifier 11 of PWM high-frequency impulse modulator 15 connects reference voltage module 12, reference voltage module 12 connects waveform generator 14, waveform generator 14 connects PWM comparator 13, PWM comparator 13 connects DC-DC conversion module 10, DC-DC conversion module 10 and connects described error amplifier 11.DC-DC conversion module 10 connects first and turns off unit 17, first voltage detection unit 20 and the second voltage detection unit 21 fast; First turns off fast unit 17 connects the quick switching units 16 of the second quick switching units 16, second and connects the second current detecting unit 24, second current detecting unit 24 and connect the first current detecting unit 18 and then connect output 19; First voltage detection unit 20 connects the first voltage comparison unit 22, first voltage comparison unit 22 and connects the first electric current comparing unit 25 and the first current detecting unit 18, then connects output 19; Second voltage detection unit 21 connects the second voltage comparison unit 23, second voltage comparison unit 23 and connects the second current detecting unit 24 and the second electric current comparing unit 26, then connects output 19.First current detecting unit 18, first electric current comparing unit 25 and be provided with the first overvoltage absorptive unit 27 and the second overvoltage absorptive unit 28 be connected in parallel between the second electric current comparing unit 26 and described output 19.
The outside DC power supply that can input 5-36VDC, by the inverter circuit in initialization module 9, direct current is become interchange, our required voltage is obtained again by BUCK/BOOST topological circuit, high frequency band is sent again by PWM high-frequency impulse modulator 15, be rectified into direct current again and export to protective circuit, in protective circuit, string has first to turn off unit 17 fast, second turns off unit 16 fast, turn off unit by two over-voltage and over-current detecting units below the current/voltage of sampling transmission comparison detecting unit below, give immediately if any over-voltage and over-current phenomenon and turn off cell signal, power supply is exported and turns off thus play a protective role.After recovery is normal, circuit is restarted and again provides output voltage.Output can be modulated into free voltage according to courteous demand.
The essential safety source of a kind of Width funtion high efficiency of the utility model direct current input, adopt the essential safety output voltage of compact conformation, volume is little, efficiency is high, easy to install direct current input, can the input of high efficiency direct current, the essential safety source of wide output and easy to use.
Last it is noted that the foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, although be described in detail the utility model with reference to previous embodiment, for a person skilled in the art, it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (6)
1. the essential safety source of a Width funtion high efficiency direct current input, comprise aluminium base base plate and be fixed on the shell on described aluminium base base plate by set bolt, described aluminium base base plate two ends are respectively arranged with input wires terminal and output wiring terminal, it is characterized in that, described shell inner cavity side is provided with circuit main board, arranges a fin bottom described circuit main board; Described circuit main board is mainly provided with PWM high-frequency impulse modulator and adopts the initialization module from judging BUCK/BOOST topological circuit.
2. the essential safety source of a kind of Width funtion high efficiency direct current input according to claim 1, it is characterized in that, the heating element on described circuit main board is positioned at described circuit main board side, and described circuit main board one side bottom is equipped with heating panel.
3. the essential safety source of a kind of Width funtion high efficiency direct current input according to claim 1, it is characterized in that, described circuit main board one end connects the Width funtion input of 5-36VDC, and the described circuit main board other end connects output.
4. the essential safety source of a kind of Width funtion high efficiency direct current input according to claim 1, it is characterized in that, the error amplifier connection reference voltage module that described PWM high-frequency impulse modulator is built-in, described reference voltage model calling waveform generator, described waveform generator connects PWM comparator, described PWM comparator connects DC-DC conversion module, and described DC-DC conversion module connects described error amplifier.
5. the essential safety source of a kind of Width funtion high efficiency direct current input according to claim 1 or 4, is characterized in that, described DC-DC conversion module connects first and turns off unit, the first voltage detection unit and the second voltage detection unit fast; Described first turns off unit fast connects the second quick switching units, and the described second quick switching units connects the second current detecting unit, and described second current detecting unit connects the first current detecting unit and then connects output; Described first voltage detection unit connects the first voltage comparison unit, and described first voltage comparison unit connects the first electric current comparing unit and the first current detecting unit, then connects output; Described second voltage detection unit connects the second voltage comparison unit, and described second voltage comparison unit connects the second current detecting unit and the second electric current comparing unit, then connects output.
6. the essential safety source of a kind of Width funtion high efficiency direct current input according to claim 5, it is characterized in that, described first current detecting unit, the first electric current comparing unit and between the second electric current comparing unit and described output, be provided with the first overvoltage absorptive unit and the second overvoltage absorptive unit that are connected in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420813935.7U CN204361896U (en) | 2014-12-18 | 2014-12-18 | A kind of essential safety source of Width funtion high efficiency direct current input |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420813935.7U CN204361896U (en) | 2014-12-18 | 2014-12-18 | A kind of essential safety source of Width funtion high efficiency direct current input |
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| Publication Number | Publication Date |
|---|---|
| CN204361896U true CN204361896U (en) | 2015-05-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420813935.7U Expired - Fee Related CN204361896U (en) | 2014-12-18 | 2014-12-18 | A kind of essential safety source of Width funtion high efficiency direct current input |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110798067A (en) * | 2019-11-06 | 2020-02-14 | 陕西理工大学 | Design method of intrinsically safe Buck-Boost converter considering filter capacitor ESR |
-
2014
- 2014-12-18 CN CN201420813935.7U patent/CN204361896U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110798067A (en) * | 2019-11-06 | 2020-02-14 | 陕西理工大学 | Design method of intrinsically safe Buck-Boost converter considering filter capacitor ESR |
| CN110798067B (en) * | 2019-11-06 | 2021-06-29 | 陕西理工大学 | Design method of intrinsically safe Buck-Boost converter considering filter capacitor ESR |
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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: 20150527 Termination date: 20151218 |
|
| EXPY | Termination of patent right or utility model |