CN206989140U - A kind of structure of light source board integrated drive electronics - Google Patents
A kind of structure of light source board integrated drive electronics Download PDFInfo
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- CN206989140U CN206989140U CN201720732499.4U CN201720732499U CN206989140U CN 206989140 U CN206989140 U CN 206989140U CN 201720732499 U CN201720732499 U CN 201720732499U CN 206989140 U CN206989140 U CN 206989140U
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- light source
- source board
- drive electronics
- electrolysis
- integrated drive
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Abstract
The utility model provides a kind of structure of light source board integrated drive electronics, including：Light source board and drive circuit；The surface of the light source board is provided with LED chip, and the drive circuit includes being arranged at the rectifier cell of the light source plate surface, filtering electrolysis, constant current driving IC；The input of the rectifier cell is electrically connected with city, and filtering electrolysis is connected with the both positive and negative polarity output end of rectifier cell；The positive pole of the cathode output end connection LED chip of filtering electrolysis, filter the cathode output end ground connection of electrolysis；The negative pole of the output termination LED chip of the constant current driving IC；The constant current driving IC also includes reference voltage generation end, and it is grounded by a resistance R2.The utility model provides a kind of LED drive circuit, is integrated with light source board, saves the step of driving plate is electrically connected with light source board by wire, simplifies product process.
Description
Technical field
It the utility model is related to a kind of drive circuit, more particularly to LED drive circuit.
Background technology
In traditional product, LED light source and LED driver are discrete module.Need to separate production in production, then do group
Dress.Production process is complicated, and automaticity is low, and easily assembly technology problem occurs.It significantly limit carrying for product efficiency
Rise the management and control with cost.
Utility model content
Technical problem underlying to be solved in the utility model is to provide a kind of LED drive circuit, is integrated in light source board
Together, the step of driving plate is electrically connected with light source board by wire is saved, simplifies product process.
In order to solve above-mentioned technical problem, the utility model provides a kind of structure of light source board integrated drive electronics,
Including：Light source board and drive circuit；
The surface of the light source board is provided with LED chip, and the drive circuit includes being arranged at the whole of the light source plate surface
Fluid element, filtering electrolysis, constant current driving IC；
The input of the rectifier cell is electrically connected with city, and filtering electrolysis is connected with the both positive and negative polarity output end of rectifier cell；
The positive pole of the cathode output end connection LED chip of filtering electrolysis, filter the cathode output end ground connection of electrolysis；The constant current drives IC
Output termination LED chip negative pole；The constant current driving IC also includes reference voltage generation end, and it is connect by a resistance R2
Ground.
In a preferred embodiment：The both ends of the filtering electrolysis are connected with bleeder resistance R1.
In a preferred embodiment：The driving IC also includes a stitch being connected with radiator.
In a preferred embodiment：When the temperature of the driving IC is higher than given threshold, constant current drives IC output current
Reduce.
In a preferred embodiment：The given threshold is 150 °.
In a preferred embodiment：The one side of the radiator towards lamp holder is air outlet, is provided with air outlet and lamp holder
Anode and cathode terminals electrical connection wire.
In a preferred embodiment：The one side of the radiator towards lamp holder is closed state, using being filled inside radiator
The mode of gas is radiated.
Compared to prior art, the technical solution of the utility model possesses following beneficial effect：
Driver circuit and LED-baseplate are integrated in a module by the utility model, are substantially improved in traditional handicraft, are driven
Dynamic component and light source assembly produce the complicated technology assembled again respectively, and just 2 wires of radiator exhaust outlet can directly connect
Onto the both positive and negative polarity of lamp holder, production efficiency is improved.Driver circuit application light source board medium, the radiating for being advantageous to driver circuit change
It is kind, and drive IC to carry overheat protector function, the protection of temperature upper limit can be provided for LED light source, avoid LED light source temperature
Too high influence light leads to and the life-span.
Brief description of the drawings
Fig. 1 is the drive circuit figure in the utility model preferred embodiment；
Fig. 2 is the whole modulated structure explosive view in the utility model preferred embodiment.
Embodiment
This case is described in further detail with reference to the accompanying drawings and detailed description.
With reference to figure 1, a kind of structures of light source board integrated drive electronics of Fig. 2, including：Light source board and drive circuit；
The surface of the light source board is provided with LED chip, and the drive circuit includes being arranged at the whole of the light source plate surface
Fluid element, filtering electrolysis E1, constant current driving IC；In the present embodiment, rectifier cell is full bridge rectifier bridge heap BR1；
The input of the full bridge rectifier bridge heap BR1 electrically connects with city, and filtering electrolysis E1 and full bridge rectifier bridge heap BR1 is just
Cathode output end connects；The positive pole of filtering electrolysis E1 cathode output end connection LED chip, filtering electrolysis E1 cathode output end
Ground connection；The negative pole of the output termination LED chip of the constant current driving IC；The constant current driving IC also includes a reference voltage and generated
End, it is grounded by a resistance R2.
The both ends of the filtering electrolysis E1 are connected with bleeder resistance R1.When the temperature of the driving IC is higher than given threshold,
For example at 150 °, constant current driving IC output current reduces.The present embodiment integrates driver circuit and LED-baseplate, greatly
Improve in traditional handicraft greatly, drive component and light source assembly produce the complicated technology assembled again respectively, improve production efficiency.
Driver circuit application light source board medium, being advantageous to the radiating of driver circuit improves, and drives IC to carry overheat protector function, can
The protection of temperature upper limit is provided for LED light source, avoids LED light source temperature is too high from influenceing that light is logical and the life-span.
In the present embodiment, after LED-baseplate is integrated with driver circuit, the driving IC also includes a pin being connected with radiator
Pin.The one side of the radiator towards lamp holder 1 is air outlet, is provided with what is electrically connected with the anode and cathode terminals of lamp holder 1 at air outlet
Wire.Therefore, when whole lamp assembles, directly can just make radiator exhaust outlet 2 wires be connected to it is complete on the both positive and negative polarity of lamp holder
Into electrical connection, assembling process is convenient simple efficient.
Embodiment 2
The present embodiment and the difference of embodiment 1 are：The one side of the radiator towards lamp holder is closed state, using scattered
The mode of hot device inner inflatable is radiated.
It is described above, only it is preferred embodiment of the present utility model, not technical scope of the present utility model is made
Any restrictions, the present embodiment are intended to the idea and operation principle for illustrating the utility model, therefore every according to skill of the present utility model
Art substantially makees the subtle modifications, equivalent variations and modifications of any shape and structure to above example, still falls within this practicality
In the range of new technique scheme.
Claims (7)
- A kind of 1. structure of light source board integrated drive electronics, it is characterised in that including：Light source board and drive circuit；The surface of the light source board is provided with LED chip, and the drive circuit includes being arranged at the rectification member of the light source plate surface Part, filtering electrolysis, constant current driving IC；The input of the rectifier cell is electrically connected with city, and filtering electrolysis is connected with the both positive and negative polarity output end of rectifier cell；Filtering The positive pole of the cathode output end connection LED chip of electrolysis, filter the cathode output end ground connection of electrolysis；The constant current driving IC's is defeated Go out to terminate the negative pole of LED chip；The constant current driving IC also includes reference voltage generation end, and it is grounded by a resistance R2.
- A kind of 2. structure of light source board integrated drive electronics according to claim 1, it is characterised in that：The filtering electrolysis Both ends be connected with bleeder resistance R1.
- A kind of 3. structure of light source board integrated drive electronics according to claim 1, it is characterised in that：The driving IC is also Including a stitch being connected with radiator.
- A kind of 4. structure of light source board integrated drive electronics according to claim 1, it is characterised in that：The driving IC's When temperature is higher than given threshold, constant current driving IC output current reduces.
- A kind of 5. structure of light source board integrated drive electronics according to claim 4, it is characterised in that：The given threshold For 150 °.
- A kind of 6. structure of light source board integrated drive electronics according to claim 3, it is characterised in that：The radiator court It is air outlet to the one side of lamp holder, the wire electrically connected with the anode and cathode terminals of lamp holder is provided with air outlet.
- A kind of 7. structure of light source board integrated drive electronics according to claim 3, it is characterised in that：The radiator court It is closed state to the one side of lamp holder, is radiated by the way of radiator inner inflatable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720732499.4U CN206989140U (en) | 2017-06-22 | 2017-06-22 | A kind of structure of light source board integrated drive electronics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720732499.4U CN206989140U (en) | 2017-06-22 | 2017-06-22 | A kind of structure of light source board integrated drive electronics |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206989140U true CN206989140U (en) | 2018-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720732499.4U Active CN206989140U (en) | 2017-06-22 | 2017-06-22 | A kind of structure of light source board integrated drive electronics |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108633136A (en) * | 2018-05-08 | 2018-10-09 | 横店集团得邦照明股份有限公司 | A kind of highly integrated LED driving encapsulation |
-
2017
- 2017-06-22 CN CN201720732499.4U patent/CN206989140U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108633136A (en) * | 2018-05-08 | 2018-10-09 | 横店集团得邦照明股份有限公司 | A kind of highly integrated LED driving encapsulation |
| CN108633136B (en) * | 2018-05-08 | 2024-04-05 | 横店集团得邦照明股份有限公司 | Highly integrated LED driving package |
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