CN206923103U - A kind of switching circuit of three colour temperatures - Google Patents
A kind of switching circuit of three colour temperatures Download PDFInfo
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- CN206923103U CN206923103U CN201720919495.7U CN201720919495U CN206923103U CN 206923103 U CN206923103 U CN 206923103U CN 201720919495 U CN201720919495 U CN 201720919495U CN 206923103 U CN206923103 U CN 206923103U
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- housing
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- power supply
- driving power
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Abstract
The utility model discloses a kind of switching circuit of three colour temperatures, including constant-current driving power supply, one end of constant-current driving power supply passes through wired earth, the other end of constant-current driving power supply is connected with toggle switch SW1 by wire, toggle switch SW1 includes slide block and housing, housing connects constant-current driving power supply by wire, and slide block is flexibly connected with housing, and the bottom of housing is provided with pin；The switching circuit of three colour temperature, only simply add two diodes and a single toggle switch, expected requirement has just been reached with extremely low cost, by the gear for adjusting toggle switch SW1, color temperature value with regard to that can change LED string, very convenient, can changes light fixture colour temperature before such lamp installation, the warehousing pressure of supplier is reduced, while can ensure that light fixture price does not have too big rise.
Description
Technical field
LED drive power technical field is the utility model is related to, especially a kind of switching circuit of three colour temperatures.
Background technology
Light fixture has a different colour temperature requirements for different installation application environments, but this for retailer for whole lamp stock
For be one challenge because the demand of market different-colour light fixture can not be determined, warehousing pressure can be caused larger, cause light fixture
Price has too big rise, currently there are no not only cheap but also convenient method, light fixture is met installation requirements.
Utility model content
The purpose of this utility model is to provide a kind of switching circuit of three colour temperatures, possesses low and easy to operate excellent of cost
Point, to solve the problems, such as in above-mentioned background technology.
To achieve the above object, the utility model provides following technical scheme：
A kind of switching circuit of three colour temperatures, including constant-current driving power supply, one end of the constant-current driving power supply pass through wire
Ground connection, the other end of constant-current driving power supply is connected with toggle switch SW1, the toggle switch SW1 by wire includes slide block
And housing, housing connect constant-current driving power supply by wire, slide block is flexibly connected in the top of housing, slide block with housing,
The bottom of housing is provided with pin, and housing is connected with the first lamp string LED1, the second lamp string LED2, diode D3 and two by wire
Pole pipe D4, the first lamp string LED1 connect the first pin of housing bottom by wire, and the first lamp string LED1 also passes through wire
Diode D3 negative electrode is connected, the anode of the diode D3 connects the 4th pin of housing bottom, diode D3 by wire
Anode be also connected by wire with diode D4 anode, the negative electrode of the diode D4 the second lamp string of connection LED2, second
Lamp string LED2 also connects the 5th pin of housing bottom by wire.
As further program of the utility model：The second pin of the housing bottom and the 3rd pin are same gold
Belong to piece.
As further program of the utility model：The housing includes constant current by the 3rd pin connection of its bottom and driven
Power supply.
As further program of the utility model：First pin of the housing bottom is electrically connected with the 3rd pin.
Compared with prior art, the beneficial effects of the utility model are as follows：
Should three colour temperatures switching circuit, only simply add two diodes and a single toggle switch, with extremely low
Cost just reached expected requirement, by adjusting toggle switch SW1 gear, the color temperature value with regard to that can change LED string is non-
Normal convenience, can changes light fixture colour temperature before such lamp installation, reduces the warehousing pressure of supplier, while can protect
Card light fixture price does not have too big rise.
Brief description of the drawings
Fig. 1 is circuit theory schematic diagram of the present utility model；
Fig. 2 is toggle switch forward direction schematic diagram of the present utility model；
Fig. 3 is toggle switch schematic top plan view of the present utility model.
In figure：1 constant-current driving power supply, 2 slide blocks, 3 housings.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Refer to Fig. 1-3, in the utility model embodiment,
A kind of switching circuit of three colour temperatures, including constant-current driving power supply 1, one end of constant-current driving power supply 1 are connect by wire
Ground, the other end of constant-current driving power supply 1 are connected with toggle switch SW1 by wire, and toggle switch SW1 can control the first lamp string
LED1 and the second lamp string LED2, toggle switch SW1 include slide block 2 and housing 3, and slide block 2 is in the top of housing 3, slide block 2
Can be in the top of housing 3 slidably, slide block 2 shares three gears, and slide block 2 is flexibly connected with housing 3, housing 3
Bottom is provided with pin, and the second pin of the bottom of housing 3 and the 3rd pin are same sheet metal, and housing 3 is connected by wire
Constant-current driving power supply 1, constant-current driving power supply 1 are powered to whole circuit, and housing 3 includes constant current by the 3rd pin connection of its bottom
Driving power 1, the positive pole of constant-current driving power supply 1 connect toggle switch SW1 by wire, and housing 3 is connected with first by wire
Lamp string LED1, the second lamp string LED2, diode D3 and diode D4, the first lamp string LED1 and the second lamp string LED2 are in energization situation
Lower luminous, the first lamp string LED1 connects the first pin of the bottom of housing 3 by wire, and the first lamp string LED1 is also connected by wire
Diode D3 negative electrode, diode D3 anode connect the 4th pin of the bottom of housing 3 by wire, and diode D3 anode is also
It is connected by wire with diode D4 anode, diode D4 negative electrode connects the second lamp string LED2, the second lamp string LED2 and also led to
The 5th pin of wire connection housing 3 bottom is crossed, the first pin of the bottom of housing 3 is electrically connected with the 3rd pin.
Toggle switch SW1 in the switching circuit of this three colour temperature is a 3 grades single of toggle switch, the first lamp string
LED1 and the second lamp string LED2 is the LED string of two groups of different-colours, the first lamp string LED1 when toggle switch SW1 is at first grade
Bright, now colour temperature is the first single color temperature values of lamp string LED1, when switch is in second gear, now the first lamp string LED1 and second
Lamp string LED2 is bright, shows the average value that colour temperature is the first lamp string LED1 and the second lamp string LED2, when switch is in third gear,
Now the second lamp string LED2 is bright, and it is the second single color temperature values of lamp string LED2, wherein toggle switch SW1 bottom to show colour temperature
Provided with five pins, toggle switch SW1 three is kept off totally, and first grade is the pin of short circuit first and the 3rd；Second gear is short-circuit second He
4th pin；Third gear is short-circuit 3rd and the 5th pin.
In summary：The switching circuit of three colour temperature, two diodes and a single toggle switch are simply only added,
Expected requirement has just been reached with extremely low cost, by adjusting toggle switch SW1 gear, the color with regard to LED string can be changed
Temperature value, very convenient, can changes light fixture colour temperature before such lamp installation, reduces the warehousing pressure of supplier, together
When can ensure that light fixture price does not have too big rise.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation
Involved claim.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (4)
1. a kind of switching circuit of three colour temperatures, including constant-current driving power supply (1), it is characterised in that：The constant-current driving power supply (1)
One end by wired earth, the other end of constant-current driving power supply (1) is connected with toggle switch SW1 by wire, described to stir
Switch SW1 includes slide block (2) and housing (3), and housing (3) connects constant-current driving power supply (1) by wire, and slide block (2) exists
The top of housing (3), slide block (2) are flexibly connected with housing (3), and the bottom of housing (3) is provided with pin, and housing (3) passes through
Wire is connected with the first lamp string LED1, the second lamp string LED2, diode D3 and diode D4, and the first lamp string LED1 is by leading
Line connects first pin of housing (3) bottom, and the first lamp string LED1 also connects diode D3 negative electrode, two pole by wire
Pipe D3 anode connects the 4th pin of housing (3) bottom by wire, and diode D3 anode also passes through wire and diode
D4 anode connection, the negative electrode of the diode D4 connect the second lamp string LED2, the second lamp string LED2 and also connect shell by wire
5th pin of body (3) bottom.
A kind of 2. switching circuit of three colour temperature according to claim 1, it is characterised in that：The of housing (3) bottom
Two pins and the 3rd pin are same sheet metal.
A kind of 3. switching circuit of three colour temperature according to claim 1, it is characterised in that：The housing (3) passes through its bottom
The 3rd pin connection in portion includes constant-current driving power supply (1).
A kind of 4. switching circuit of three colour temperature according to claim 1, it is characterised in that：The of housing (3) bottom
One pin is electrically connected with the 3rd pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720919495.7U CN206923103U (en) | 2017-07-26 | 2017-07-26 | A kind of switching circuit of three colour temperatures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720919495.7U CN206923103U (en) | 2017-07-26 | 2017-07-26 | A kind of switching circuit of three colour temperatures |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206923103U true CN206923103U (en) | 2018-01-23 |
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ID=61348506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720919495.7U Active CN206923103U (en) | 2017-07-26 | 2017-07-26 | A kind of switching circuit of three colour temperatures |
Country Status (1)
| Country | Link |
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| CN (1) | CN206923103U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108712806A (en) * | 2018-08-01 | 2018-10-26 | 上海顿格电子贸易有限公司 | A kind of controllable silicon light modulation color-temperature regulating down lamp circuit |
-
2017
- 2017-07-26 CN CN201720919495.7U patent/CN206923103U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108712806A (en) * | 2018-08-01 | 2018-10-26 | 上海顿格电子贸易有限公司 | A kind of controllable silicon light modulation color-temperature regulating down lamp circuit |
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