CN204013250U - Voltage conversion device - Google Patents
Voltage conversion device Download PDFInfo
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- CN204013250U CN204013250U CN201420298188.8U CN201420298188U CN204013250U CN 204013250 U CN204013250 U CN 204013250U CN 201420298188 U CN201420298188 U CN 201420298188U CN 204013250 U CN204013250 U CN 204013250U
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- voltage conversion
- voltage
- conversion device
- conversion circuit
- power supply
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Abstract
A kind of voltage conversion device, be integrated in power supply adaptor or connect with described power supply adaptor, and for powering to electronic equipment, described voltage conversion device comprises at least two voltage conversion circuits of mutual parallel connection, one end of each voltage conversion circuit is all electrically connected to described power supply adaptor, the other end is electrically connected to described electronic equipment, and described at least two voltage conversion circuits are exported at least two-way voltage to described electronic equipment after receiving the voltage that described power supply adaptor provides and carrying out transformation processing.Described voltage conversion device has simple in structure, the voltage stabilization of output, and the advantage such as easy to use, meets instructions for use.
Description
Technical field
The utility model relates to electronic circuit field, relates in particular to a kind of voltage conversion device.
Background technology
Due to the needs of energy-conserving and environment-protective, increasing small-power electronic product, as Set Top Box, palm reader and music player etc. have been abandoned the structural design of built-in power gradually, then selects to power by external power supply adaptor.Because the operating voltage of different electronic products is different, the power supply adaptor therefore using is also different.
Power supply adaptor mainly can be divided into two kinds, the one, can only export a kind of power supply adaptor of voltage, as exported direct current (direct current, DC)-5V, DC-9V, DC-12V, but, there is following defect in this power supply adaptor: 1, user may be connected to low-voltage electronic product by high-voltage power supply adapter by mistake, causes low-voltage electronic product interior power supply circuit moment to puncture (or burning); 2, user, in the time using different electronic product, need to carry multiple power supply adaptors, carries inconvenience; 3, in the time of factory testing, sometimes need rotation to test different electronic products, but the supply power voltage of different required by electronic product is not identical yet, so tester need to, according to the corresponding power supply adaptor of the frequent replacing of electronic product, reduce operating efficiency and easily make mistakes.The 2nd, the power supply adaptor of outputting multi electric voltage, as now existed on the market some by regulating divider resistance to realize the power supply adaptor of different Voltage-outputs, but the spread of voltage of the power supply adaptor of this structural design output, and voltage ripple is more outstanding, easily have influence on the job stability of the electronic equipment of load, cannot meet instructions for use.
Utility model content
For the problems referred to above, the purpose of this utility model is to provide a kind of voltage conversion device, it is by arranging multiple voltage conversion circuits, selectively export multiple identical or different magnitudes of voltage thereby realize, described voltage conversion device has simple in structure, the voltage stabilization of output, the advantage such as easy to use.
In order to solve the problems of the technologies described above, the utility model provides a kind of voltage conversion device, it can be integrated in power supply adaptor or connect with described power supply adaptor, and for powering to electronic equipment, described voltage conversion device comprises at least two voltage conversion circuits of mutual parallel connection, one end of each voltage conversion circuit is all electrically connected to described power supply adaptor, the other end is electrically connected to described electronic equipment, described at least two voltage conversion circuits are exported at least two-way voltage to described electronic equipment after receiving the voltage that described power supply adaptor provides and carrying out transformation processing.
Wherein, described voltage conversion circuit is voltage stabilizing circuit.
Wherein, described voltage conversion circuit is wire.
Wherein, described voltage conversion circuit is same voltage stabilizing circuit, to export at least identical voltage of two-way simultaneously.
Wherein, described voltage conversion circuit is different voltage stabilizing circuits, to export at least different voltage of two-way.
Wherein, on described voltage conversion circuit, be provided with guard member, leak electricity in use preventing.
Wherein, described guard member is according to the output voltage difference of described voltage conversion circuit, and correspondence is arranged to different colors.
Wherein, in described guard member, be provided with corresponding text prompt or pattern identification.
Wherein, each voltage conversion circuit all has an interface, by the interface of corresponding voltage conversion circuit is accessed to described electronic equipment, thereby provides required voltage for described electronic equipment.
Wherein, described voltage conversion device also comprises by-pass cock and total interface, and described by-pass cock and described total interface are electrically connected, and by rotating the specific voltage conversion circuit of conducting and total interface.
The voltage conversion device that the utility model embodiment provides, it is by arranging multiple voltage conversion circuits, realize and selectively exported multiple identical voltage, thereby can be multiple electronic equipments powers simultaneously, or export multiple different voltage, thereby be the electronic equipment power supply of different operating voltage, described voltage conversion device has simple in structure, output voltage stabilization, the advantage such as easy to use.
Brief description of the drawings
In order to be illustrated more clearly in the technical solution of the utility model, to the accompanying drawing of required use in execution mode be briefly described below, apparently, accompanying drawing in the following describes is only execution modes more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the voltage conversion device that provides of the utility model embodiment and the connection diagram of power supply adaptor and electronic equipment.
Fig. 2 is a kind of structural representation of the voltage conversion device that provides of the utility model embodiment.
Fig. 3 is the another kind of structural representation of the voltage conversion device that provides of the utility model embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1 and Fig. 2, the utility model embodiment provides a kind of voltage conversion device 100, and it can be integrated in described power supply adaptor 200, also can be used as one independently element connect with described power supply adaptor 200.Described voltage conversion device 100 is by the output voltage of this power supply adaptor 200 is changed, and realizes the output of multiple magnitudes of voltage.Described voltage conversion device 100 comprises at least two voltage conversion circuits of mutual parallel connection, and one end of described voltage conversion circuit is electrically connected described power supply adaptor 200, and the other end can be accessed by electronic equipment 300.In the utility model embodiment, described electronic equipment 300 can be Set Top Box, palm reader and music player etc., and described voltage conversion circuit transfers to described electronic equipment 300 after receiving the voltage of described power supply adaptor 200 and carrying out transformation processing.
In the utility model embodiment, described voltage conversion device 100 at least comprises the first voltage conversion circuit 10 and second voltage change-over circuit 20, wherein, described power supply adaptor 200 one end connect power supply (as the civil power of 220V), and the other end is electrically connected described the first voltage conversion circuit 10.The voltage transitions that described power supply adaptor 200 provides described power supply be after corresponding voltage (as 12V, 15V, 20V or other magnitudes of voltage), export to as described in the first voltage conversion circuit 10.Described the first voltage conversion circuit 10 can be any one in wire, 7805 voltage stabilizing circuits, 7806 voltage stabilizing circuits, 7808 voltage stabilizing circuits, 7809 voltage stabilizing circuits, 7812 voltage stabilizing circuits or other voltage stabilizing circuits, this first voltage conversion circuit 10 receives after the voltage that described power supply adaptor 200 exports, and is to export after the first voltage by this voltage transitions.For example, if described the first voltage conversion circuit 10 is wire, the voltage that can directly power supply adaptor 200 be exported is passed to described electronic equipment 300; If described the first voltage conversion circuit 10 is 7805 voltage stabilizing circuits, the voltage that the voltage transitions that described power supply adaptor 200 can be exported is 5V; If described the first voltage conversion circuit 10 is 7809 voltage stabilizing circuits, the voltage that the voltage transitions that described power supply adaptor 200 can be exported is 9V.It should be noted that, the magnitude of voltage that described voltage conversion circuit 10 is exported is less than or equal to the output voltage of described power supply adaptor 200.
In the utility model embodiment, described second voltage change-over circuit 20 can be any one in wire, 7805 voltage stabilizing circuits, 7806 voltage stabilizing circuits, 7808 voltage stabilizing circuits, 7809 voltage stabilizing circuits, 7812 voltage stabilizing circuits or other voltage stabilizing circuits, it receives after the voltage that described power supply adaptor 200 exports, and is to export after second voltage by this voltage transitions.In embodiment of the present utility model, described the first voltage conversion circuit 10 can be same voltage stabilizing circuit (or wire) with described second voltage change-over circuit 20, also can be different voltage stabilizing circuits.In the time that described the first voltage conversion circuit 10 is same voltage stabilizing circuit with described second voltage change-over circuit 20, it can power to two identical electronic equipments 300 of operating voltage simultaneously; In the time that described the first voltage conversion circuit 10 is different voltage stabilizing circuit from described second voltage change-over circuit 20, it can power to the different electronic equipment 300 of operating voltage simultaneously.Described the first voltage conversion circuit 10 can determine according to the actual needs with the selection of described second voltage change-over circuit 20, and the utility model does not limit.
Be understandable that, in other embodiment of the present utility model, described voltage conversion device 100 also can comprise other voltage conversion circuit, as N voltage conversion circuits such as tertiary voltage change-over circuit, the 4th voltage conversion circuit, the 5th voltage conversion circuits, N the voltage conversion circuit such as described tertiary voltage change-over circuit, the 4th voltage conversion circuit, the 5th voltage conversion circuit is respectively and can be any one in wire, 7805 voltage stabilizing circuits, 7806 voltage stabilizing circuits, 7808 voltage stabilizing circuits, 7809 voltage stabilizing circuits, 7812 voltage stabilizing circuits or other voltage stabilizing circuits.The voltage transitions that described voltage conversion circuit provides described power supply adaptor 200 is to export after corresponding magnitude of voltage; thereby meet the power demands of various types of electronic equipments 300; as long as meet the circuit of this structural design, all, at protection range of the present utility model, do not repeat them here.
It should be noted that; in embodiment of the present utility model; on described the first voltage conversion circuit 10, second voltage change-over circuit 20 and other voltage conversion circuit, can be arranged with guard member (not shown); described guard member can be the insulating bodies such as rubber or plastics; to avoid described voltage conversion circuit to suffer the infringement of the introduced contaminantses such as dust, sweat stain, steam, and can prevent in use electric leakage.In addition, in order better to distinguish the voltage conversion circuit of different output voltages, described guard member can be set to different colors according to the output voltage of described voltage conversion circuit, as when as described in the first voltage conversion circuit 10 from as described in the output voltage of second voltage change-over circuit 12 when different, guard member on can this first voltage conversion circuit 10 is set to redness, and the guard member on this second voltage change-over circuit 20 is set to yellow or other color combination; In the time that the output voltage of described voltage conversion circuit is identical; guard member that can these voltage conversion circuits is set to identical color; thereby user can be according to the different voltage conversion circuit of color differentiating and output voltage; while preventing from using, make mistakes; make the electronic product that operating voltage is lower receive higher voltage, cause circuit burnout.
It should be noted that; in embodiment of the present utility model; guard member on described the first voltage conversion circuit 10, second voltage change-over circuit 20 and other voltage conversion circuits also can be provided with corresponding text prompt or pattern identification; as text prompt or the pattern identification etc. of output voltage values are set in guard member; therefore; user can distinguish different voltage conversion circuits quickly and easily according to these text prompt or pattern identification, while preventing from using, makes mistakes.
In embodiment of the present utility model, each voltage conversion circuit all has interface, as as described in the first voltage conversion circuit 10 can there is first interface 12, described second voltage change-over circuit 20 can have the second interface 22, described N voltage conversion circuit has N interface.When use, one end of described power supply adaptor 200 is connected to power supply, then select corresponding voltage conversion circuit according to the required operating voltage of described electronic equipment 300, and the interface on corresponding voltage conversion circuit is inserted on described electronic equipment 300, thereby power for described electronic equipment 300.In addition, also multiple electronic equipments 300 can be connected on corresponding interface simultaneously to power demands meeting multiple electronic equipment 300 when.
See also Fig. 3, Fig. 3 is the another kind of structural representation of the voltage conversion device 100 that provides of the utility model embodiment.Described multiple voltage conversion circuits share a total interface 40, and are provided with by-pass cock 30 between described voltage conversion circuit and described interface 40.Described by-pass cock 30 is electrically connected with described voltage conversion circuit and described total interface 40, this by-pass cock 30 has indicateing arm (not shown) and scale value (not shown), as 5V, the scale value of 9V or 12V, and in the time that the indicateing arm of described by-pass cock 30 is aimed at certain scale value, represent voltage conversion circuit and described total interface 40 conductings that output voltage equates with the scale value of aligning, as when as described in the indicateing arm of by-pass cock 30 while aiming at the scale value of 5V, represent output voltage be 5V voltage conversion circuit (as 7805 voltage stabilizing circuits) with as described in total interface 40 conductings, and other voltage conversion circuit and described total interface 40 disconnect, the now voltage of described interface output 5V.In the time that needs are exported other magnitudes of voltage, only need, by rotating or rotating described by-pass cock 30, make described indicateing arm aim at required magnitude of voltage, i.e. the voltage conversion circuit of changeable and described total interface 40 conductings, thus realize different magnitude of voltage output.Wherein, preferably, in the present embodiment, the output voltage of described voltage conversion circuit is all different.
In sum, the voltage conversion device 100 that the utility model embodiment provides, it is by arranging multiple voltage conversion circuits, realize and selectively exported multiple identical voltage, power thereby can be multiple electronic equipments 300 simultaneously, or export multiple different voltage, thereby power for the electronic equipment 300 of different operating voltage, described voltage conversion device 100 has simple in structure, output voltage stabilization, the advantage such as easy to use.
The above is preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the utility model principle; can also make some improvements and modifications, these improvements and modifications are also considered as protection range of the present utility model.
Claims (10)
1. a voltage conversion device, be integrated in power supply adaptor or connect with described power supply adaptor, and for powering to electronic equipment, it is characterized in that, described voltage conversion device comprises at least two voltage conversion circuits of mutual parallel connection, one end of each voltage conversion circuit is all electrically connected to described power supply adaptor, the other end is electrically connected to described electronic equipment, and described at least two voltage conversion circuits are exported at least two-way voltage to described electronic equipment after receiving the voltage that described power supply adaptor provides and carrying out transformation processing.
2. voltage conversion device according to claim 1, is characterized in that, described voltage conversion circuit is voltage stabilizing circuit.
3. voltage conversion device according to claim 1, is characterized in that, described voltage conversion circuit is wire.
4. voltage conversion device according to claim 2, is characterized in that, described voltage conversion circuit is same voltage stabilizing circuit, to export at least identical voltage of two-way simultaneously.
5. voltage conversion device according to claim 2, is characterized in that, described voltage conversion circuit is different voltage stabilizing circuits, to export at least different voltage of two-way.
6. voltage conversion device according to claim 1, is characterized in that, on described voltage conversion circuit, is provided with guard member, leaks electricity in use preventing.
7. voltage conversion device according to claim 6, is characterized in that, described guard member is according to the output voltage difference of described voltage conversion circuit, and correspondence is arranged to different colors.
8. voltage conversion device according to claim 6, is characterized in that, is provided with corresponding text prompt or pattern identification in described guard member.
9. voltage conversion device according to claim 1, is characterized in that, each voltage conversion circuit all has an interface, by the interface of corresponding voltage conversion circuit is accessed to described electronic equipment, thereby provides required voltage for described electronic equipment.
10. voltage conversion device according to claim 1, it is characterized in that, described voltage conversion device also comprises by-pass cock and total interface, and described by-pass cock and described total interface are electrically connected, and by rotating the specific voltage conversion circuit of conducting and total interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420298188.8U CN204013250U (en) | 2014-06-05 | 2014-06-05 | Voltage conversion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420298188.8U CN204013250U (en) | 2014-06-05 | 2014-06-05 | Voltage conversion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204013250U true CN204013250U (en) | 2014-12-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420298188.8U Expired - Fee Related CN204013250U (en) | 2014-06-05 | 2014-06-05 | Voltage conversion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204013250U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106374757A (en) * | 2016-11-11 | 2017-02-01 | 温州乐发教育科技有限公司 | Electric power conversion device |
| CN107608332A (en) * | 2017-09-04 | 2018-01-19 | 西安微电子技术研究所 | A kind of accelerator simulation source single particle radiation electric source for test purposes switching control |
| CN111273756A (en) * | 2020-01-19 | 2020-06-12 | 深圳市创维群欣安防科技股份有限公司 | Mainboard and consumer |
-
2014
- 2014-06-05 CN CN201420298188.8U patent/CN204013250U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106374757A (en) * | 2016-11-11 | 2017-02-01 | 温州乐发教育科技有限公司 | Electric power conversion device |
| CN107608332A (en) * | 2017-09-04 | 2018-01-19 | 西安微电子技术研究所 | A kind of accelerator simulation source single particle radiation electric source for test purposes switching control |
| CN111273756A (en) * | 2020-01-19 | 2020-06-12 | 深圳市创维群欣安防科技股份有限公司 | Mainboard and consumer |
| CN111273756B (en) * | 2020-01-19 | 2021-08-10 | 深圳创维数字技术有限公司 | Mainboard and consumer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHENZHEN SKYWORTH DIGITAL TECHNOLOGY CO., LTD. Free format text: FORMER NAME: SKY-WORTH DIGITAL TECHNOLOGY CO., LTD.;SHENZHEN CITY |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 518000 Guangdong city of Shenzhen province Nanshan District Gao Xin Road Building A14, SKYWORTH Patentee after: Shenzhen Skyworth Digital Technology Co., Ltd. Address before: 518000 Guangdong city of Shenzhen province Nanshan District Gao Xin Road Building A14, SKYWORTH Patentee before: Shenzhen Skyworth Digital Technology Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141210 Termination date: 20190605 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |