CN201656786U - 110V/220V dual-purpose power supply device - Google Patents
110V/220V dual-purpose power supply device Download PDFInfo
- Publication number
- CN201656786U CN201656786U CN2010201545703U CN201020154570U CN201656786U CN 201656786 U CN201656786 U CN 201656786U CN 2010201545703 U CN2010201545703 U CN 2010201545703U CN 201020154570 U CN201020154570 U CN 201020154570U CN 201656786 U CN201656786 U CN 201656786U
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- CN
- China
- Prior art keywords
- switch
- control element
- power supply
- primary coil
- dual
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a 110V/220V dual-purpose power supply device which can lead an instrument to generally use two power supplies of 110V and 220V. The dual-purpose power supply device comprises a control element, two groups of switches that can act simultaneously, and a power supply transformer with a primary coil which is two groups of coils with the same turns, wherein one input terminal of the power supply is connected with the same end of one primary coil of the power supply transformer; the different terminal of the primary coil is connected with the selecting terminal of the switch; the input terminal of the power supply is connected with the 110V terminal of the switch by a normally-closed contact of the control element; the input terminal of the other power supply is connected with the different terminal of the other primary coil of the power supply transformer; the same terminal of the primary coil of the power supply transformer is connected with the selecting terminal of the switch; the input terminal of the power supply is connected with the 110V terminal of the switch by the normally-closed contact of the control element; the 220V terminals of the two groups of switches are connected with each other by the normally-opened contact of the control element; and the control coil of the control element is connected between the input terminals of the power supply.
Description
Technical field
The utility model relates to the dual-purpose electric supply installation of a kind of 110V/220V.
Background technology
All adopt the 220V/50Hz powering mode in industries such as Chinese instrument, instrument, computers, special vehicle-mounted, ship power supply then adopts the 110V/400Hz powering mode, and overseas equipment is 110V/60Hz mostly, can not be general, bring many inconvenience to some work.
The utility model content
Technical problem to be solved in the utility model provides the dual-purpose electric supply installation of a kind of 110V/220V, and it can make instrument realize the general of two kinds of power supplys of 110V/220V.
For solving the problems of the technologies described above, the utility model adopts the basic design of technical scheme to be: comprise control element, two groups of switches that move simultaneously are the power transformer of two groups of identical coils of the number of turn with primary coil, the end of the same name of one of them power input and one of them primary coil of power transformer joins, the non-same polarity of described primary coil connects the selecting side of switch, described power input connects the 110V end of switch by the normally closed contact of control element, another power input connects the non-same polarity of power transformer another one primary coil, the end of the same name of described power transformer primary coil connects the selecting side of switch, described power input connects the 110V end of switch by the normally closed contact of control element, the 220V end of two groups of switches links to each other by the normal opened contact of control element, and the control coil of control element is connected between the described power input.
Preferably, described control element is a relay.
Preferably, described control element is a contactor.
Preferably, described two groups of switches that move simultaneously are double-point double-throw switch.
Preferably, at the described power input fuse of also connecting, and after the contact of described control coil, be connected in series mains switch.
The beneficial effects of the utility model are, utilize the combination of control element, switch and power transformer, have realized the conversion of powering mode, even switching manipulation has the misoperation of preventing function not to also not burning element.
Description of drawings
Accompanying drawing is a circuit structure diagram of the present utility model.
Among the figure: power input N, power input S, fuse Q, mains switch K, switch S
1, switch S
2, power transformer B, primary coil L
11, primary coil L
12, control coil L, end of the same name 7, end of the same name 9, non-same polarity 8, non-same polarity 10, selecting side 2, selecting side 5,110V end 1,110V end 4,220V end 3,220V end 6, normally closed contact S
3, normally closed contact S
4, normal opened contact S
5
Embodiment
As shown in drawings, the utility model comprises control element, two groups of switch S of moving simultaneously
1, S
2With primary coil is the power transformer B of two groups of identical coils of the number of turn, one of them primary coil L of one of them power input N and power transformer B
11End of the same name 7 join described primary coil L
11Non-same polarity 8 connect switch S
2Selecting side 5, the normally closed contact S of described power input N by control element
3Connect switch S
1110V end 1; Another power input S connects power transformer B another one primary coil L
12Non-same polarity 10, described power transformer B primary coil L
12End of the same name 9 connect switch S
1Selecting side 2, the normally closed contact S of described power input S by control element
4Connect switch S
24, two groups of switch S of 110V end
1, S
2The normal opened contact Ss of 220V end 3,6 by control element
5Link to each other, the control coil L of control element is connected between described power input N, the S.
Power transformer B presses the 220V Design Pattern, and control element adopts relay or contactor, and the operating voltage of its control coil L is 220V, unit switch S
1, S
2Be the ship type switch of dpdt double-pole double-throw (DPDT),, and after the contact of described control coil L, be connected in series mains switch K at the described power input N fuse Q that also connects.
When power input N, S were 110V, the control coil L of control element did not work, normally closed contact S
3, S
4All closed, normal opened contact S
5Disconnect, if unit switch S
1, S
2Be in 110V end 1,4, then two of power transformer B groups of primary coil L
11, L
12With identical end parallel operation of the same name; If unit switch S
1, S
2Be in 220V end 3,6, then power supply does not form the loop, and power transformer B does not work, so just in switch S
1, S
2Protected circuit when misplaying the position.
When power input N, S are 220V, the control coil L of control element work, normally closed contact S
3, S
4All disconnect normal opened contact S
5If closure is unit switch S
1, S
2Be in 220V end 3,6, then two of power transformer B groups of primary coil L
11, L
12Tandem working; If unit switch S
1, S
2Be in 110V end 1,4, then power supply does not form the loop, and power transformer B does not work, like this in switch S
1, S
2Protected circuit when misplaying the position.
Claims (5)
1. the dual-purpose electric supply installation of 110V/220V comprises control element, two groups of switch (S that move simultaneously
1, S
2) be the power transformer (B) of two groups of identical coils of the number of turn with primary coil, it is characterized in that one of them power input (N) and one of them primary coil (L of power transformer
11) end of the same name (7) join described primary coil (L
11) non-same polarity (8) connect switch (S
2) selecting side (5), described power input (N) is by the normally closed contact (S of control element
3) connection switch (S
1) 110V end (1), another power input (S) connects power transformer (B) another one primary coil (L
12) non-same polarity (10), described power transformer primary coil (L
12) end of the same name (9) connect switch (S
1) selecting side (2), described power input (S) is by the normally closed contact (S of control element
4) connection switch (S
2) 110V end (4), two groups of switch (S
1, S
2) 220V end (3,6) normal opened contact (S by control element
5) link to each other, the control coil of control element (L) is connected between the described power input (N, S).
2. the dual-purpose electric supply installation of 110V/220V according to claim 1 is characterized in that described control element is a relay.
3. the dual-purpose electric supply installation of 110V/220V according to claim 1 is characterized in that described control element is a contactor.
4. the dual-purpose electric supply installation of 110V/220V according to claim 1 is characterized in that, described two groups of switch (S that move simultaneously
1, S
2) be double-point double-throw switch.
5. the dual-purpose electric supply installation of 110V/220V according to claim 1 is characterized in that, at described power input (N) fuse (Q) of also connecting, and is connected in series mains switch (K) after the contact of described control coil (L).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201545703U CN201656786U (en) | 2010-03-11 | 2010-03-11 | 110V/220V dual-purpose power supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201545703U CN201656786U (en) | 2010-03-11 | 2010-03-11 | 110V/220V dual-purpose power supply device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201656786U true CN201656786U (en) | 2010-11-24 |
Family
ID=43122016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201545703U Expired - Fee Related CN201656786U (en) | 2010-03-11 | 2010-03-11 | 110V/220V dual-purpose power supply device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201656786U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108808662A (en) * | 2018-06-12 | 2018-11-13 | 中原工学院 | A kind of fixation dual output power supply of automatic identification input voltage |
-
2010
- 2010-03-11 CN CN2010201545703U patent/CN201656786U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108808662A (en) * | 2018-06-12 | 2018-11-13 | 中原工学院 | A kind of fixation dual output power supply of automatic identification input voltage |
| CN108808662B (en) * | 2018-06-12 | 2020-09-04 | 中原工学院 | Fixed dual-output power supply capable of automatically identifying input voltage |
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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: 20101124 Termination date: 20150311 |
|
| EXPY | Termination of patent right or utility model |