CN204597778U - A kind of staged high-voltage power apparatus - Google Patents
A kind of staged high-voltage power apparatus Download PDFInfo
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- CN204597778U CN204597778U CN201520296917.0U CN201520296917U CN204597778U CN 204597778 U CN204597778 U CN 204597778U CN 201520296917 U CN201520296917 U CN 201520296917U CN 204597778 U CN204597778 U CN 204597778U
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Abstract
The utility model discloses a kind of staged high-voltage power apparatus, comprising: control circuit, the first output circuit and the second output circuit.By the way, the utility model staged high-voltage power apparatus has novel structure, stable performance, multistage pressure output, exports the advantages such as high pressure can be selected arbitrarily, power stage unit can be matched arbitrarily, has market prospects widely popularizing of staged high-voltage power apparatus.
Description
Technical field
The utility model relates to electronics field, particularly relates to a kind of staged high-voltage power apparatus.
Background technology
Supply unit is one of basic product of electronics field, the voltage output that the many employings of existing supply unit are single, and applicability is wide, unstable properties.
Utility model content
The technical problem that the utility model mainly solves is to provide a kind of staged high-voltage power apparatus, by adopting the auto-oscillating half-bridge switch chip, some metal-oxide-semiconductors, high-tension transformer and the voltage-multiplying circuit that are electrically connected successively as the second output circuit, by output voltage boosting to meet load request, formation multilevel voltage exports, novel structure, stable performance, have market prospects widely popularizing of staged high-voltage power apparatus.
For solving the problems of the technologies described above, the utility model provides a kind of staged high-voltage power apparatus, comprising: control circuit, the first output circuit and the second output circuit,
Described control circuit comprises the EIM filter circuit, high-frequency PWM chip, switch transformer and the current rectifying and wave filtering circuit that are electrically connected successively, AC power inputs described control circuit and converts high-voltage dc voltage to through the rectification of described EIM filter circuit, pulse signal is modulated to by described high-frequency PWM chip, direct current is added to the elementary of described switch transformer, the secondary induction output high voltage of described switch transformer, the first output voltage supply load is formed via described current rectifying and wave filtering circuit
The output of described control circuit be electrically connected described first output circuit and the output of the described first output circuit input that is electrically connected described high-frequency PWM chip with control described high-frequency PWM chip duty ratio, control the first output voltage,
Described second output circuit is electrically connected the output of described control circuit, described second output circuit comprises the auto-oscillating half-bridge switch chip be electrically connected successively, some metal-oxide-semiconductors, high-tension transformer and voltage-multiplying circuit, first output voltage is via some metal-oxide-semiconductor work described in the rear drive of described auto-oscillating half-bridge switch chip, and then drive described high-tension transformer concussion work, the secondary output high pressure of described high-tension transformer, carry out boosting formation second output voltage through described voltage-multiplying circuit again, reach load request.
In the utility model preferred embodiment, comprise current foldback circuit, when electric current exceedes the design load of circuit, described current foldback circuit is cut off the electricity supply and is protected, and automatically recovers after load faulty is got rid of.
In the utility model preferred embodiment, the maximum output voltage scope of described first output voltage and described second output voltage is 8-12kV, and minimum output voltage scope is 4-6kV.
The beneficial effects of the utility model are: the utility model staged high-voltage power apparatus has novel structure, stable performance, multistage pressure output, exports the advantages such as high pressure can be selected arbitrarily, power stage unit can be matched arbitrarily, has market prospects widely popularizing of staged high-voltage power apparatus.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings, wherein:
Fig. 1 is the structural representation of the utility model staged high-voltage power apparatus one preferred embodiment.
Embodiment
Be clearly and completely described to the technical scheme in the utility model embodiment below, obviously, described embodiment is only a part of embodiment of the present utility model, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making other embodiments all obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, the utility model embodiment comprises:
A kind of staged high-voltage power apparatus, comprising: control circuit, the first output circuit and the second output circuit.
Described control circuit comprises the EIM filter circuit 101, high-frequency PWM chip 102, switch transformer 103 and the current rectifying and wave filtering circuit 104 that are electrically connected successively, AC power inputs described control circuit and converts high-voltage dc voltage to through the rectification of described EIM filter circuit 101, pulse signal is modulated to by described high-frequency PWM chip 102, direct current is added to the elementary of described switch transformer 103, the secondary induction output high voltage of described switch transformer 103, the first output voltage supply load is formed via described current rectifying and wave filtering circuit 104
The output of described control circuit be electrically connected described first output circuit 2 and the output of described first output circuit 2 input that is electrically connected described high-frequency PWM chip 102 with control described high-frequency PWM chip 102 duty ratio, control the first output voltage,
Described second output circuit is electrically connected the output of described control circuit, described second output circuit comprises the auto-oscillating half-bridge switch chip 301 be electrically connected successively, some metal-oxide-semiconductors 302, high-tension transformer 303 and voltage-multiplying circuit 304, here high-tension transformer 303 adopts special high-tension transformer, first output voltage works via some metal-oxide-semiconductors 302 described in the rear drive of described auto-oscillating half-bridge switch chip 301, and then drive described high-tension transformer 303 to shake work, the secondary output high pressure of described high-tension transformer 303, boosting formation second output voltage is carried out again through described voltage-multiplying circuit 304, reach load request, multistage pressure exports, export high pressure can select arbitrarily, power stage unit can be matched arbitrarily.
Preferably, comprise current foldback circuit, when electric current exceedes the design load of circuit, described current foldback circuit is cut off the electricity supply and is protected, automatically recovery after load faulty is got rid of, protective circuit, safe and reliable.
Preferably, the maximum output voltage scope of described first output voltage and described second output voltage is 8-12kV, and minimum output voltage scope is 4-6kV.
The beneficial effect of the utility model staged high-voltage power apparatus is:
One, the duty ratio by adopting feedback circuit to control high-frequency PWM chip, thus achieve the effective control to the first output voltage;
Two, by adopting the auto-oscillating half-bridge switch chip, some metal-oxide-semiconductors, high-tension transformer and the voltage-multiplying circuit that are electrically connected successively as the second output circuit, by output voltage boosting to meet load request, formation multilevel voltage exports, novel structure, stable performance;
Three, by adopting current foldback circuit, cutting off the electricity supply when electric current exceedes the design load of circuit and protecting, automatically recovery after load faulty is got rid of, protective circuit, safe and reliable.
The foregoing is only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model description to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present utility model.
Claims (3)
1. a staged high-voltage power apparatus, is characterized in that, comprising: control circuit, the first output circuit and the second output circuit,
Described control circuit comprises the EIM filter circuit, high-frequency PWM chip, switch transformer and the current rectifying and wave filtering circuit that are electrically connected successively, AC power inputs described control circuit and converts high-voltage dc voltage to through the rectification of described EIM filter circuit, pulse signal is modulated to by described high-frequency PWM chip, direct current is added to the elementary of described switch transformer, the secondary induction output high voltage of described switch transformer, the first output voltage supply load is formed via described current rectifying and wave filtering circuit
The output of described control circuit be electrically connected described first output circuit and the output of the described first output circuit input that is electrically connected described high-frequency PWM chip with control described high-frequency PWM chip duty ratio, control the first output voltage,
Described second output circuit is electrically connected the output of described control circuit, described second output circuit comprises the auto-oscillating half-bridge switch chip be electrically connected successively, some metal-oxide-semiconductors, high-tension transformer and voltage-multiplying circuit, first output voltage is via some metal-oxide-semiconductor work described in the rear drive of described auto-oscillating half-bridge switch chip, and then drive described high-tension transformer concussion work, the secondary output high pressure of described high-tension transformer, carry out boosting formation second output voltage through described voltage-multiplying circuit again, reach load request.
2. staged high-voltage power apparatus according to claim 1, is characterized in that, comprise current foldback circuit, and when electric current exceedes the design load of circuit, described current foldback circuit is cut off the electricity supply and protected, and automatically recovers after load faulty is got rid of.
3. staged high-voltage power apparatus according to claim 1, is characterized in that, the maximum output voltage scope of described first output voltage and described second output voltage is 8-12kV, and minimum output voltage scope is 4-6kV.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520296917.0U CN204597778U (en) | 2015-05-11 | 2015-05-11 | A kind of staged high-voltage power apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520296917.0U CN204597778U (en) | 2015-05-11 | 2015-05-11 | A kind of staged high-voltage power apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN204597778U true CN204597778U (en) | 2015-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520296917.0U Expired - Fee Related CN204597778U (en) | 2015-05-11 | 2015-05-11 | A kind of staged high-voltage power apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104836440A (en) * | 2015-05-11 | 2015-08-12 | 常熟市东神电子器件有限公司 | Step type high-voltage power supply device |
-
2015
- 2015-05-11 CN CN201520296917.0U patent/CN204597778U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104836440A (en) * | 2015-05-11 | 2015-08-12 | 常熟市东神电子器件有限公司 | Step type high-voltage power supply device |
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| 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: 20150826 |
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| CF01 | Termination of patent right due to non-payment of annual fee |