CN204794710U - High voltage DC power module is handed over to output adjustable - Google Patents
High voltage DC power module is handed over to output adjustable Download PDFInfo
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- CN204794710U CN204794710U CN201520393031.8U CN201520393031U CN204794710U CN 204794710 U CN204794710 U CN 204794710U CN 201520393031 U CN201520393031 U CN 201520393031U CN 204794710 U CN204794710 U CN 204794710U
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Abstract
The utility model provides a high voltage DC power module is handed over to output adjustable, the internal circuit contains self -adaptation constant voltage power supply circuit at least, high voltage DC voltage doubler rectifier circuit, module function the control unit, DCAC inverter unit, the transformer matching unit, self excitation induction element, the piezoceramics transformer unit that steps up, the output the high pressrue regulator circuit, wherein the transformer matching unit inserts DCAC inverter unit and piezoceramics transformer and steps up in the middle of the unit, by piezoceramics transformer matching unit and module function the control unit's adjustable potentiometre VR1 and self excitation the induction element output voltage of the whole module of control adjustment in the lump. Pressure work (9 -16V) can be extended to this high voltage power supply module, utilize adjustable potentiometre realize accurate, adjust high voltage output fast, little, the relative altitude of stepping up of module volume, output voltage is adjustable, has the characteristics that the output short circuit still can normally be worked, load bearing capability is strong, job stabilization is reliable. But the wide application is in the product of various air purification and static elimination and need to exchange in high pressure and burden (or just) high voltage DC's the product.
Description
Technical field
The utility model belongs to piezoelectricity high voltage source technical field.
Background technology
The alternating current-direct current high-voltage power module that the output of piezoelectricity alternating current-direct current high voltage source to be a kind of with panel-type piezoelectric ceramic transformer be core is adjustable.Utilize the boosting characteristic of piezoelectric ceramic transformer, design exports the power module for high-frequency ac (or direct current), for the high-pressure modular driving spray point to discharge positive and negative ion.
Summary of the invention
The purpose of this utility model is to provide and a kind ofly exports adjustable alternating current-direct current high-voltage power module, can wide pressure work (9-16V), utilize adjustable potentiometer to realize adjusting High voltage output accurately and fast, there is the feature of low cost, high stability and high reliability.
The technical solution of the utility model is: a kind ofly export adjustable alternating current-direct current high-voltage power module, comprise module housing, internal circuit and transformer, it is characterized in that internal circuit at least comprises self adaptation voltage-stabilized power supply circuit, high direct voltage voltage doubling rectifing circuit, functions of modules control unit, DC/AC inversion unit, transformer matching unit, self-excitation sensing unit, piezoelectric ceramic transformer boosting unit, export high-voltage adjusting circuit, wherein transformer matching unit is inserted in the middle of DC/AC inversion unit and piezoelectric ceramic transformer boosting unit, the output voltage adjusting whole module is controlled in the lump by the adjustable potentiometer VR1 of piezoelectric ceramic transformer matching unit and functions of modules control unit and self-excitation sensing unit, DC/AC inversion unit is made up of inductance L 1 and current-collector Q2, high direct voltage voltage doubling rectifing circuit is made up of diode D2 ~ D5, export high-voltage adjusting circuit to be made up of adjustable potentiometer VR1 and current-collector Q1, High voltage output plug wire is connected to output by resistance R4 and R5.
Wherein functions of modules control unit has two inputs, the burning voltage that a b carrying out self-resistance R1 holds, and one is the output voltage signal U1 picking up the piezoelectric ceramic transformer arrived; Output is connected with the grid of current-collector Q2.
This practical modular circuit adopts single-ended self-oscillation topology mode of operation, feedback signal adopts the same frequency voltage signal sensed on pcb board during transformer work, thus follow transformer operating frequency, make transformer always work in good resonance condition.Achieve by adjustable potentiometer adjustment feedback signal size simultaneously and then adjust arbitrarily the function exporting high pressure.
This high-voltage power module volume is little, step-up ratio is high, and output voltage is adjustable, has the advantages that output short-circuit still can normally work, and load capacity is strong, and working stability is reliable.Various air cleaning can be widely used in and eliminate the product of electrostatic and need in the product of ac high-voltage and negative (or just) high direct voltage.
Accompanying drawing explanation
Fig. 1 is the utility model circuit diagram.
Fig. 2 is the utility model transformer installation diagram.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described, but the utility model is not limited to these embodiments.
As shown in Figure 1, circuit part at least includes self adaptation voltage-stabilized power supply circuit, high direct voltage voltage doubling rectifing circuit, functions of modules control unit, DC/AC inversion unit, transformer matching unit, self-excitation sensing unit, piezoelectric ceramic transformer boosting unit, exports high-voltage adjusting circuit, be characterized in that transformer matching unit is inserted into the centre of DC/AC inversion unit and piezoelectric ceramic transformer boosting unit, control the adjustable of output voltage in the lump by the adjustable potentiometer VR1 of transformer matching unit, self-excitation sensing unit and control unit; DC/AC inversion unit is made up of L1 and Q2, the output of piezoelectric ceramic transformer exports high-frequency ac (AC) high pressure, ac high-voltage forms 3 voltage multiplying rectifiers through D2 ~ D5 and exports direct current (DC) just (or negative) high pressure, high tension voltage is through resistance R4, and R5 is exported by high-voltage connection.When the short circuit of module output or load abnormal, whole module still can normally work.
Wherein functions of modules control unit has two inputs, the burning voltage that a b carrying out self-resistance R1 holds, and one is the output voltage signal U1 picking up the piezoelectric ceramic transformer arrived; Output is connected with the grid of current-collector Q2.
This practical module uses a transformer, and transformer such as Fig. 2 installs.Transformer, when fixing, by PE foam rubber, in two 1/4th places of transformer are as Fig. 2 in A, B silk-screen frame, bonds on pcb board by transformer.Covered with a transparent outer cover again, ensure and air insulated, avoid the oxidation of transformer silver layer, avoid when module embedding, the contact of transformer and colloid simultaneously.Feedback signal (as C point in Fig. 2) obtains from pcb board induction when transformer works, thus follows transformer operating frequency, makes transformer all be operated in good resonance condition all the time.
Claims (2)
1. one kind exports adjustable alternating current-direct current high-voltage power module, comprise module housing, internal circuit and transformer, it is characterized in that internal circuit at least comprises self adaptation voltage-stabilized power supply circuit, high direct voltage voltage doubling rectifing circuit, functions of modules control unit, DC/AC inversion unit, transformer matching unit, self-excitation sensing unit, piezoelectric ceramic transformer boosting unit, export high-voltage adjusting circuit, wherein transformer matching unit is inserted in the middle of DC/AC inversion unit and piezoelectric ceramic transformer boosting unit, the output voltage adjusting whole module is controlled in the lump by the adjustable potentiometer VR1 of piezoelectric ceramic transformer matching unit and functions of modules control unit and self-excitation sensing unit, DC/AC inversion unit is made up of inductance L 1 and current-collector Q2, high direct voltage voltage doubling rectifing circuit is made up of diode D2, D3, D4 and D5, export high-voltage adjusting circuit to be made up of adjustable potentiometer VR1 and current-collector Q1, High voltage output plug wire is connected to output by resistance R4 and R5.
2. the alternating current-direct current high-voltage power module that output according to claim 1 is adjustable, it is characterized in that functions of modules control unit has two inputs, the burning voltage that a b carrying out self-resistance R1 holds, one is the output voltage signal U1 picking up the piezoelectric ceramic transformer arrived; Output is connected with the grid of current-collector Q2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520393031.8U CN204794710U (en) | 2015-06-08 | 2015-06-08 | High voltage DC power module is handed over to output adjustable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520393031.8U CN204794710U (en) | 2015-06-08 | 2015-06-08 | High voltage DC power module is handed over to output adjustable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204794710U true CN204794710U (en) | 2015-11-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520393031.8U Active CN204794710U (en) | 2015-06-08 | 2015-06-08 | High voltage DC power module is handed over to output adjustable |
Country Status (1)
| Country | Link |
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| CN (1) | CN204794710U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106936317A (en) * | 2017-03-16 | 2017-07-07 | 西安电子科技大学 | The adjustable lightweight electrostatic high-pressure generator of one kind output |
| CN108880289A (en) * | 2018-08-14 | 2018-11-23 | 广州易达包装设备有限公司 | A kind of adjustable high voltage electric field generating device |
| CN108880289B (en) * | 2018-08-14 | 2024-06-07 | 广州易达包装设备有限公司 | Adjustable high-voltage electric field generating device |
-
2015
- 2015-06-08 CN CN201520393031.8U patent/CN204794710U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106936317A (en) * | 2017-03-16 | 2017-07-07 | 西安电子科技大学 | The adjustable lightweight electrostatic high-pressure generator of one kind output |
| CN108880289A (en) * | 2018-08-14 | 2018-11-23 | 广州易达包装设备有限公司 | A kind of adjustable high voltage electric field generating device |
| CN108880289B (en) * | 2018-08-14 | 2024-06-07 | 广州易达包装设备有限公司 | Adjustable high-voltage electric field generating device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181203 Address after: 518000 No. 1 Workshop, Yongxin Industrial Plant, 89 Hengping Road, Yuanshan Street, Longgang District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Kanghong Environmental Protection Technology Co., Ltd. Address before: 710075 Kanghong Industrial Park, No. 40 High-tech Sixth Road, Xi'an High-tech Zone, Shaanxi Province Patentee before: Xi'an Kanghong New Material Technology Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 518000 No. 1 Workshop, Yongxin Industrial Plant, 89 Hengping Road, Yuanshan Street, Longgang District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Kanghong Intelligent Health Technology Co.,Ltd. Address before: 518000 No. 1 Workshop, Yongxin Industrial Plant, 89 Hengping Road, Yuanshan Street, Longgang District, Shenzhen City, Guangdong Province Patentee before: HEALTHLEAD Corp.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |