CN218450623U - High PF does not have stroboscopic soft lamp area - Google Patents
High PF does not have stroboscopic soft lamp area Download PDFInfo
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- CN218450623U CN218450623U CN202222116124.9U CN202222116124U CN218450623U CN 218450623 U CN218450623 U CN 218450623U CN 202222116124 U CN202222116124 U CN 202222116124U CN 218450623 U CN218450623 U CN 218450623U
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Abstract
The utility model provides a high PF does not have stroboscopic soft light area, including bridge heap DB1, rectifier diode D1, freewheeling diode D2, LED lamp cluster S1, electrolytic capacitor discharge resistance R3, electrolytic capacitor E1, electrolytic capacitor E2 and control chip U1, wherein, bridge heap DB1 ' S pin 1 meets with commercial power live wire L, bridge heap DB1 ' S pin 3 meets with commercial power zero line N, bridge heap DB1 ' S pin 2 with rectifier diode D1 ' S positive pole meets, bridge heap DB1 ' S pin 4 ground connection, rectifier diode D1 ' S negative pole with control chip U1 ' S pin 8 meets, electrolytic capacitor E1 ' S positive pole with control chip U1 ' S pin 8 meets, electrolytic capacitor E1 ' S negative pole with freewheeling diode D2 ' S positive pole meets, freewheeling diode D2 ' S negative pole with control chip U1 ' S pin 5 meets. The beneficial effects of the utility model are that: the soft lamp strip has no stroboscopic lighting effect.
Description
Technical Field
The utility model relates to a lighting device especially relates to a soft lamp area of high PF no stroboscopic.
Background
Light source stroboflash, even when illuminating a still object, the stroboflash that can not be perceived by naked eyes can also easily cause visual fatigue and hurt eyesight. If a moving object is observed (particularly, the speed is higher) and fine work is carried out under a light source, the object can not be seen clearly, and the eye is more damaged.
The existing LED lamp strip is directly used by converting AC into DC, so that the stroboflash of the LED lamp strip is very high, namely the stroboflash at the power frequency of 100HZ, although the stroboflash can not be seen by naked eyes, the human physical and psychological health can be injured by working under the environment for a long time, and visual fatigue and eyesight injury are easily caused.
Disclosure of Invention
In order to solve the problems in the prior art, the utility model provides a soft lamp area of high PF does not have stroboscopic.
The utility model provides a high PF does not have stroboscopic soft light area, including bridge pile DB1, rectifier diode D1, freewheeling diode D2, LED lamp cluster S1, electrolytic capacitor discharge resistance R3, electrolytic capacitor E1, electrolytic capacitor E2 and control chip U1, wherein, bridge pile DB1 'S pin 1 meets with commercial power live wire L, bridge pile DB 1' S pin 3 meets with commercial power zero line N, bridge pile DB1 'S pin 2 with rectifier diode D1' S positive pole meets, bridge pile DB1 'S pin 4 ground connection, rectifier diode D1' S negative pole with control chip U1 'S pin 8 meets, electrolytic capacitor E1' S positive pole with control chip U1 'S pin 8 meets, electrolytic capacitor E1' S negative pole with rectifier diode D2 'S positive pole, diode D2' S negative pole with control chip U1 'S pin 5 meets, control chip U1' S pin 2 with electrolytic capacitor E2 'S positive pole meets, electrolytic capacitor E2' S negative pole ground connection, flywheel diode D1 'S negative pole with freewheeling diode D2' S pin 5 meets, control chip U1 'S pin 2 with the positive pole of control chip U2 with the negative pole of electrolytic capacitor E2' S negative pole ground connection, the negative pole of follow current resistance R1 and the negative pole of LED lamp cluster lamp discharge resistance R3 one end of pin, the other end of LED capacitor R1 and the control chip of the pin of the control chip.
As a further improvement, the soft lamp area of high PF no stroboscopic still includes sampling resistor R1 and sampling resistor R2, sampling resistor R1's one end with control chip U1's pin 3 meets, sampling resistor R1's the other end with control chip U1's pin 2 meets, sampling resistor R2's one end with control chip U1's pin 4 meets, sampling resistor R2's the other end with control chip U1's pin 3 meets.
As the utility model discloses a further improvement, high PF does not have soft lamp area of stroboscopic still includes freewheeling diode D3, freewheeling diode D3's positive pole ground connection, freewheeling diode D3's negative pole with freewheeling diode D2's positive pole meets.
As a further improvement, the high PF soft lamp area without stroboflash still includes piezo-resistor RV1, piezo-resistor RV 1's one end with bridge pile DB 1's pin 1 connects mutually, piezo-resistor RV 1's the other end with bridge pile DB 1's pin 3 connects mutually.
As a further improvement of the present invention, the pin 2 of the control chip U1 is connected to the GND pin of the control chip U1.
The utility model has the advantages that: through the scheme, the soft lamp strip has no stroboscopic lighting effect.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other solutions can be obtained according to the drawings without creative efforts.
Fig. 1 is the utility model relates to a circuit diagram in soft lamp area of high PF does not have stroboscopic.
Detailed Description
It should be noted that, in the case of no conflict, the embodiments and features of the embodiments of the present invention may be combined with each other.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the scope of the invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be further described with reference to the following description and embodiments.
As shown in fig. 1, a high PF (power factor) stroboflash-free soft lamp strip includes a bridge stack (i.e., a rectifier bridge) DB1, a voltage dependent resistor RV1, a rectifier diode D1, a freewheeling diode D2, a freewheeling diode D3, an LED lamp string S1, a sampling resistor R2, an electrolytic capacitor discharge resistor R3, an electrolytic capacitor E1, an electrolytic capacitor E2, and a control chip U1.
A pin 1 of the bridge rectifier DB1 is respectively connected with one end of the piezoresistor RV1 and a live wire L of a mains supply; and a pin 3 of the bridge rectifier DB1 is respectively connected with the other end of the voltage dependent resistor VR1 and a mains supply zero line N.
A pin 2 of the bridge rectifier DB1 is connected with a pin 1 of the rectifier diode D1; a pin 4 of the bridge rectifier DB1 is grounded, and a pin 2 of the rectifier diode D1 is respectively connected with a pin 8 of the control chip U1 and the anode of the electrolytic capacitor E1; the negative electrode of the electrolytic capacitor E1 is connected with a pin 1 of the freewheeling diode D2 and a pin 2 of the freewheeling diode D3; a pin 2 of the freewheeling diode D2 is connected with a pin 5 of the control chip U1; the pin 2 of the control chip U1 is connected with a GND pin, the pin 2 of the control chip U1 is respectively connected with one end of the sampling resistor R1, one end of the electrolytic capacitor discharge resistor R3, the anode of the electrolytic capacitor E2 and the anode of the LED lamp string S1, the other end of the sampling resistor R1 is connected with the pin 3 of the control chip U1, the other end of the electrolytic capacitor discharge resistor R3 is grounded, the cathode of the electrolytic capacitor E2 is grounded, and the cathode of the LED lamp string S1 is grounded; pin 4 of control chip U1 with the one end of sampling resistor R2 meets, the other end of sampling resistor R2 meets with pin 3 of control chip U1.
The utility model provides a pair of soft lamp area of high PF no stroboscopic through electrolytic capacitor E1, electrolytic capacitor E2, control chip U1, rectifier diode D1, freewheeling diode D2, freewheeling diode D3, has effectively overcome the stroboscopic problem in traditional soft lamp area, has avoided the injury to eyesight to, improved the power factor.
The foregoing is a more detailed description of the present invention, taken in conjunction with specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments thereof. To the utility model discloses to the ordinary skilled person in technical field's the prerequisite that does not deviate from the utility model discloses under the design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.
Claims (5)
1. The utility model provides a soft lamp area of high PF no stroboscopic which characterized in that: the LED drive circuit comprises a bridge stack DB1, a rectifier diode D1, a fly-wheel diode D2, an LED lamp string S1, an electrolytic capacitor discharge resistor R3, an electrolytic capacitor E1, an electrolytic capacitor E2 and a control chip U1, wherein a pin 1 of the bridge stack DB1 is connected with a live wire L of a mains supply, a pin 3 of the bridge stack DB1 is connected with a zero line N of the mains supply, a pin 2 of the bridge stack DB1 is connected with an anode of the rectifier diode D1, a pin 4 of the bridge stack DB1 is grounded, a cathode of the rectifier diode D1 is connected with a pin 8 of the control chip U1, an anode of the electrolytic capacitor E1 is connected with a pin 8 of the control chip U1, a cathode of the electrolytic capacitor E1 is connected with an anode of the fly-wheel diode D2, a cathode of the fly-wheel diode D2 is connected with a pin 5 of the control chip U1, a pin 2 of the control chip U1 is connected with an anode of the electrolytic capacitor E2, a cathode of the electrolytic capacitor E2 is connected with a ground, an anode of the LED lamp string S1 is connected with a pin 2 of the control chip U1, a cathode of the LED lamp string S1 is connected with a pin 3 of the electrolytic capacitor R3, and a cathode of the electrolytic capacitor of the LED lamp string is connected with a ground, and the resistor R3 of the electrolytic capacitor of the control chip.
2. The high PF no-strobe soft light strip according to claim 1, wherein: high PF does not have stroboscopic soft lamp area still includes sampling resistor R1 and sampling resistor R2, sampling resistor R1's one end with control chip U1's pin 3 meets, sampling resistor R1's the other end with control chip U1's pin 2 meets, sampling resistor R2's one end with control chip U1's pin 4 meets, sampling resistor R2's the other end with control chip U1's pin 3 meets.
3. The high PF no-strobe soft light strip according to claim 1, wherein: the high-PF stroboflash-free soft lamp strip further comprises a freewheeling diode D3, the anode of the freewheeling diode D3 is grounded, and the cathode of the freewheeling diode D3 is connected with the anode of the freewheeling diode D2.
4. The high PF no-strobe soft light strip according to claim 1, wherein: the high-PF stroboflash-free soft lamp strip further comprises a piezoresistor RV1, one end of the piezoresistor RV1 is connected with a pin 1 of the bridge pile DB1, and the other end of the piezoresistor RV1 is connected with a pin 3 of the bridge pile DB 1.
5. The high PF no-strobe soft light strip according to claim 1, wherein: and the pin 2 of the control chip U1 is connected with the GND pin of the control chip U1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222116124.9U CN218450623U (en) | 2022-08-11 | 2022-08-11 | High PF does not have stroboscopic soft lamp area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222116124.9U CN218450623U (en) | 2022-08-11 | 2022-08-11 | High PF does not have stroboscopic soft lamp area |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218450623U true CN218450623U (en) | 2023-02-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222116124.9U Active CN218450623U (en) | 2022-08-11 | 2022-08-11 | High PF does not have stroboscopic soft lamp area |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218450623U (en) |
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2022
- 2022-08-11 CN CN202222116124.9U patent/CN218450623U/en active Active
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