CN204465955U - Have excess temperature, overvoltage protection LED towards sky floor lamp - Google Patents
Have excess temperature, overvoltage protection LED towards sky floor lamp Download PDFInfo
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- CN204465955U CN204465955U CN201520088760.2U CN201520088760U CN204465955U CN 204465955 U CN204465955 U CN 204465955U CN 201520088760 U CN201520088760 U CN 201520088760U CN 204465955 U CN204465955 U CN 204465955U
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- led
- excess temperature
- floor lamp
- temperature
- drive electronics
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Abstract
The utility model discloses one and there is excess temperature, the LED of overvoltage protection is towards sky floor lamp, mainly comprise: a high-voltage rectifier, this high-voltage rectifier is mainly be high voltage direct current by high-voltage alternating electric rectification, one integrated drive electronics IC, this or several integrated drive electronics IC, except the interior electronic switching circuit established needed for driving LED light fixture, analog light-adjusting circuit, outside PWM light adjusting circuit, mainly also be provided with excess temperature, overvoltage crowbar, in order to improve the fail safe of LED towards sky floor lamp, and extend LED lamp useful life, thus tool practicality.
Description
Technical field
The utility model system disclose one have excess temperature, overvoltage protection LED towards sky floor lamp; espespecially a kind of high input voltage power supply of exempting from transformer and electrochemical capacitor is in conjunction with integrated drive electronics IC; continuous current driving LED lamp is provided; and the LED of tool excess temperature, overvoltage crowbar is towards sky floor lamp; be improved the fail safe of LED towards sky floor lamp, and extend LED lamp useful life thus dark tool practicality.
Background technology
Due to traditional be mostly adopt halogen bulb towards sky floor lamp, there is the phenomenon generation threat to life property of scalding user or initiation fire because temperature is too high during this halogen bulb, and then excess temperature power-down circuit need be set to suspend the work of halogen bulb, affect illuminating effect and fail safe, the technology of LED towards sky floor lamp was used instead although have afterwards, right traditional LED is High Level AC Voltage AC100V-240V towards the power supply that sky floor lamp uses, refer to the 1st figure, so the technology of step-down must be used obtain lower voltage, usual employing transformer or Switching Power Supply step-down, then alternating current (AC) is transformed into direct current (DC), be transformed into DC constant current power supply again, LED light source so just can be impelled luminous, traditional AC-DC converting system, volume is large, loss is high, increase heat radiation cost, substantially reduce the useful life of LED lamp.
Utility model content
The purpose of this utility model is to overcome above-mentioned defect of the prior art; there is provided one have excess temperature, overvoltage protection LED towards sky floor lamp; espespecially a kind of high input voltage power supply of exempting from transformer and electrochemical capacitor is in conjunction with integrated drive electronics IC; continuous current driving LED lamp is provided; and the LED of tool excess temperature, overvoltage crowbar is towards sky floor lamp; be improved the fail safe of LED towards sky floor lamp, and extend LED lamp useful life thus dark tool practicality.
For achieving the above object, the technical scheme that provides of the utility model is as follows:
One have excess temperature, overvoltage protection LED towards sky floor lamp, mainly comprise: a high-voltage rectifier, this high-voltage rectifier is mainly be high voltage direct current by high-voltage alternating electric rectification, and the Action Specification of its major components is as follows:
1, F1 protective tube (250/1A), when short circuit below from visibly moved disconnected, protective circuit is used.
2, R7 and R8 Chip-R (22R), surge (electric current) is protected.
, there is various Shun's state overvoltage in limiting circuit and absorb surge current in 3, RV1 piezo-resistance.
4, D1 paster bridge heap, will exchange AC commercial power rectification and become DC voltage.
5, D2 stamp-mounting-paper diode, ESD (electrostatic) protection of way circuit.
6, D3, D4, D5, D6 stamp-mounting-paper diode, often organizes ESD (electrostatic) protection of LED.
7, R1, R2, R3, R4, R5, R6 Chip-R (15R), regulates the current values of IC output.
8, C1, C2, C3 patch capacitor (0.1u), the filter capacitor of IC feeder ear.
Integrated drive electronics IC PIN in conjunction with this case is numbered, title is described below:
1 VCH overvoltage detects input
2 VSSA publicly
3 CS1 connect inspection leakage resistance 1
4 VSSB ground connection
5 REG5 5V power supplys
6 TS overheat protector inputs
7 VSSB ground connection
8 CS2 connect inspection leakage resistance 2
9 VDIM simulate dim signal input
10 PWM dim signal inputs
11 DN8 passages 8
12 DN7 passages 7
13 DN6 passages 6
14 DN5 passages 5
15 VPP high voltage sourcies
16 VPP_ID single line electronic switch power taking current controling ends
17 DN1 passages 1
18 DN2 passages 2
19 DN3 passages 3
20 DN4 passages 4
First by the VPPA of high-voltage rectifier, DN1A, DN2A, DN3A, DN4 contact is connected to the VPPA of LED, DN1A, DN2A, DN3A, DN4 contact, and be equivalent to wire jumper insurance function via built-up circuit J1 ~ J12 Chip-R (0R) of this case, respectively the contact of high-voltage rectifier is connected with integrated drive electronics IC, by the VPPA contact of high-voltage rectifier respectively by J1, J5, J9 connects IC U1, U2, the VPP1 of the 15th pin of U3, VPP2, VPP3 imports high voltage source, by DN1A by J2, J6, J10 connects IC U1, U2, the 14th of U3, the DN11 of 17 pins, DN21, DN31, by DN2A by J3, J7, J11 connects IC U1, U2, the 13rd of U3, 18 pin DN12, DN22, DN32, by DN3A by J4, J8, J12 connects IC U1, U2, the 12nd of U3, the DN13 of 19 pins, DN23, DN33, being connected of high-voltage rectifier and integrated drive electronics IC is completed with this, one integrated drive electronics IC, this or several integrated drive electronics IC, can according to the quantity of the patch light-emitting diode LED of load, be set to one or several integrated drive electronics IC, its except can in establish electronic switching circuit needed for driving LED light fixture, analog light-adjusting circuit, outside PWM light adjusting circuit, be mainly also provided with excess temperature, overvoltage crowbar, external R1, R2 regulates IC output current and C1 to provide stationary filtering to IC supply power voltage use, provides continuous current to give LED via by high-voltage rectifier and integrated drive electronics IC, when LED temperature exceedes design temperature, and this excess temperature, namely overvoltage crowbar starts step-down, fall stream, make LED lower the temperature dimmed, this design temperature is about 85 ~ 95 degree, in order to improve the fail safe of LED towards sky floor lamp, and extends LED lamp useful life thus dark tool practicality.
Another object of the present utility model is; one or several integrated drive electronics IC; the 1st set pin VCH overvoltage detects input, the 6th pin TS overheat protector input, the 9th pin VDIM simulation dim signal input, the 10th pin PWM dim signal input, the 16th pin VPP_ID single line electronic switch power taking Current Control input; can select to connect or open circuit according to required function, in order to functionally selective more than the utility model.
Another object again of the present utility model is, the high-voltage rectifier of the utility model, all circuit of integrated drive electronics IC and spare part are all installed in a slice PCB version, are arranged at towards floor lamp top, sky, are reduced erection space.
The utility model does not need traditional AC-DC converting system, without the need to electrochemical capacitor, substantially prolongs LED lamp useful life and improves fail safe.
To described in the utility model, there is excess temperature, being described further towards sky floor lamp of overvoltage protection below in conjunction with drawings and Examples.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of conventional art.
Fig. 2 is the simple schematic diagram of the utility model.
Fig. 3 is the high-voltage rectifier schematic diagram of the utility model.
Fig. 4 is the built-up circuit schematic diagram of the utility model.
Fig. 5 is the integrated drive electronics IC pin schematic diagram of the utility model.
Fig. 6 is the load end LED connection diagram of the utility model.
Fig. 7 is circuit and the spare part scheme of installation of the utility model.
Fig. 8 is circuit and the spare part installation close-up schematic view of the utility model.
[primary clustering symbol description]
High-voltage rectifier 1 integrated drive electronics IC 2
F1 protective tube (250/1A) 11 R7, R8 Chip-R (22R) 12
RV1 piezo-resistance 13 D1 paster bridge heap 14
D2 ~ D6 stamp-mounting-paper diode 15 R1 ~ R6 Chip-R (15R) 16
C1, C2, C3 patch capacitor (0.1u) 17
J1 ~ J12 Chip-R (0R) 18
LED1 ~ LED74 light-emitting diode 3
PCB version 4
Embodiment
Be below the preferred example towards sky floor lamp with excess temperature, overvoltage protection described in the utility model, therefore do not limit protection range of the present utility model.
As shown in Fig. 2 ~ 8; one set by the utility model have excess temperature, overvoltage protection LED towards sky floor lamp; mainly comprise: a high-voltage rectifier 1, this high-voltage rectifier 1 is mainly be high voltage direct current by high-voltage alternating electric rectification, and the Action Specification of its major components is as follows:
1, F1 protective tube (250/1A) 11, when short circuit below from visibly moved disconnected, protective circuit is used.
2, R7, R8 Chip-R (22R) 12, surge (electric current) is protected.
, there is various Shun's state overvoltage in limiting circuit and absorb surge current in 3, RV1 piezo-resistance 13.
4, D1 paster bridge heap 14, will exchange AC commercial power rectification and become DC voltage.
5, D2 stamp-mounting-paper diode 15, ESD (electrostatic) protection of way circuit.
6, D3, D4, D5, D6 stamp-mounting-paper diode 15, often organizes ESD (electrostatic) protection of LED.
7, R1, R2, R3, R4, R5, R6 Chip-R (15R) 16, regulates the current values of IC output.
8, the filter capacitor of C1, C2, C3 patch capacitor (0.1u) 17, IC feeder ear.
Integrated drive electronics IC PIN in conjunction with this case is numbered, title is described below:
1 VCH overvoltage detects input
2 VSSA publicly
3 CS1 connect inspection leakage resistance 1
4 VSSB ground connection
5 REG5 5V power supplys
6 TS overheat protector inputs
7 VSSB ground connection
8 CS2 connect inspection leakage resistance 2
9 VDIM simulate dim signal input
10 PWM dim signal inputs
11 DN8 passages 8
12 DN7 passages 7
13 DN6 passages 6
14 DN5 passages 5
15 VPP high voltage sourcies
16 VPP_ID single line electronic switch power taking current controling ends
17 DN1 passages 1
18 DN2 passages 2
19 DN3 passages 3
20 DN4 passages 4
First through shown in 3rd ~ 6 figure, by the VPPA of the high-voltage rectifier 1 of the 3rd figure, DN1A, DN2A, DN3A, DN4 contact, is connected to the VPPA of the LED lamp 3 of the 6th figure, DN1A, DN2A, DN3A, DN4 contact, and be equivalent to wire jumper insurance function via built-up circuit J1 ~ J12 Chip-R (0R) 18 of this case, respectively the contact of high-voltage rectifier 1 is connected with integrated drive electronics IC 2, as the 4th, shown in 5 figure, by the VPPA contact of high-voltage rectifier 1 respectively by J1, J5, J9 Chip-R 18 connects IC U1, U2, the VPP1 of the 15th pin of U32, VPP2, VPP3 imports high voltage source, by DN1A by J2, J6, J10 Chip-R (0R) 18 connects IC U1, U2, the 14th of U32, the DN11 of 17 pins, DN21, DN31, by DN2A by J3, J7, J11 Chip-R (0R) 18 connects IC U1, U2, the 13rd of U32, 18 pin DN12, DN22, DN32, by DN3A by J4, J8, J12 Chip-R (0R) 18 connects IC U1, U2, the 12nd of U32, the DN13 of 19 pins, DN23, DN33, being connected of high-voltage rectifier 1 and integrated drive electronics IC 2 is completed with this, one integrated drive electronics IC 2, this or several integrated drive electronics IC 2, can according to the quantity of the patch light-emitting diode LED 3 of load, be set to one or several integrated drive electronics IC2, its except can in establish and drive the required electronic switching circuit of LED lamp 3, analog light-adjusting circuit, outside PWM light adjusting circuit, be mainly also provided with excess temperature, overvoltage crowbar, external R1, R2 regulates IC output current and C1 to provide stationary filtering to IC supply power voltage use, provides continuous current to give LED lamp 3 via by high-voltage rectifier 1 with integrated drive electronics IC2, when LED lamp 3 temperature exceedes design temperature, and this excess temperature, namely overvoltage crowbar starts step-down, fall stream, make LED lamp 3 lower the temperature dimmed, this design temperature is about 85 ~ 95 degree, in order to improve the fail safe of LED towards sky floor lamp, and extends LED lamp useful life thus dark tool practicality.
Another object of the present utility model is; one or several integrated drive electronics IC2; the 1st set pin VCH overvoltage detects input, the 6th pin TS overheat protector input, the 9th pin VDIM simulation dim signal input, the 10th pin PWM dim signal input, the 16th pin VPP_ID single line electronic switch power taking Current Control input; can select to connect or open circuit according to required function, in order to functionally selective more than the utility model.
Another object again of the present utility model is, the high-voltage rectifier of the utility model, all circuit of integrated drive electronics IC and spare part are all installed on (as shown in Figure 7,8) in a slice PCB version 4, be arranged at towards floor lamp top, sky, reduced the area of circuit and spare part installation.
Be connected with integrated drive electronics IC2 by by high-voltage rectifier 1; continuous current is provided to give LED 3; and need not traditional transformer and electrochemical capacitor; and tool excess temperature, over-voltage protecting function; improve the fail safe of LED towards sky floor lamp, and extend LED lamp useful life thus dark tool practicality.
Above-described embodiment is the utility model preferably execution mode; but execution mode of the present utility model is not restricted to the described embodiments; change, the modification done under other any does not deviate from Spirit Essence of the present utility model and principle, substitute, combine, simplify; all should be the substitute mode of equivalence, be included within protection range of the present utility model.
Claims (5)
1. have excess temperature, overvoltage protection LED towards a sky floor lamp, it is characterized in that: mainly comprise:
One high-voltage rectifier, this high-voltage rectifier is mainly be high voltage direct current by high-voltage alternating electric rectification;
One integrated drive electronics IC, this integrated drive electronics IC according to the quantity of the patch light-emitting diode LED of load, can be set to one or several integrated drive electronics IC;
One excess temperature, over-voltage protecting function circuit, this excess temperature, over-voltage protecting function circuit system exceed design temperature when LED lamp temperature, namely start step-down, fall stream, make LED lamp lower the temperature dimmed,
Be connected with integrated drive electronics IC by by high-voltage rectifier; continuous current is provided to give LED; and need not traditional transformer and electrochemical capacitor; and tool excess temperature, over-voltage protecting function; improve the fail safe of LED towards sky floor lamp, and extend LED lamp useful life thus dark tool practicality.
2. according to claim 1 have excess temperature, overvoltage protection LED towards sky floor lamp, it is characterized in that: establish in this integrated drive electronics IC electronic switching circuit, analog light-adjusting circuit, PWM light adjusting circuit, cross gentle overvoltage crowbar.
3. according to claim 1 have excess temperature, overvoltage protection LED towards sky floor lamp; it is characterized in that: VCH overvoltage detects input, TS overheat protector input, VDIM simulation dim signal input, PWM dim signal input, VPP_ID single line electronic switch and power taking Current Control input, can select to connect or open circuit according to required function.
4. according to claim 1 have excess temperature, overvoltage protection LED towards sky floor lamp, it is characterized in that: all circuit and the spare part of high-voltage rectifier, integrated drive electronics IC are all installed in a slice PCB version, are arranged at towards floor lamp top, sky.
5. according to claim 1 have excess temperature, overvoltage protection LED towards sky floor lamp; it is characterized in that: when LED lamp temperature exceedes design temperature; namely this excess temperature, overvoltage crowbar start step-down, fall stream; LED lamp is made to lower the temperature dimmed; this design temperature is about 85 ~ 95 degree, in order to improve the fail safe of LED towards sky floor lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520088760.2U CN204465955U (en) | 2015-02-06 | 2015-02-06 | Have excess temperature, overvoltage protection LED towards sky floor lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520088760.2U CN204465955U (en) | 2015-02-06 | 2015-02-06 | Have excess temperature, overvoltage protection LED towards sky floor lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204465955U true CN204465955U (en) | 2015-07-08 |
Family
ID=53672772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520088760.2U Expired - Fee Related CN204465955U (en) | 2015-02-06 | 2015-02-06 | Have excess temperature, overvoltage protection LED towards sky floor lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204465955U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109519743A (en) * | 2019-01-17 | 2019-03-26 | 江门罗普来特照明科技有限公司 | Temperature automatically controlled pressure control LED light strip |
-
2015
- 2015-02-06 CN CN201520088760.2U patent/CN204465955U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109519743A (en) * | 2019-01-17 | 2019-03-26 | 江门罗普来特照明科技有限公司 | Temperature automatically controlled pressure control LED light strip |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150708 Termination date: 20180206 |