CN205283895U - Lamp circuit - Google Patents
Lamp circuit Download PDFInfo
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- CN205283895U CN205283895U CN201620031032.2U CN201620031032U CN205283895U CN 205283895 U CN205283895 U CN 205283895U CN 201620031032 U CN201620031032 U CN 201620031032U CN 205283895 U CN205283895 U CN 205283895U
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Abstract
The utility model discloses a lamp circuit, aim at providing one kind provide the operation convenient, get the easy lamp circuit who has the dimming function of electricity, having solved the power, to get the electricity inconvenient, the poor problem of convenience of operation, its technical scheme main points be including touch dish, banks, the receipt touch dish signal of response touch action be used for controlling the banks adjust luminance the gear touch module, provide working power supply's power module, power module includes the voltage stabilizing module, battery, connection battery of power external tapping, the conversion external power supply voltage DCDC module for the booster tension, touch module's power is provided by external power supply or battery, has reached the operation facility, has got electric capacity easily, to realize the effect of adjusting luminance.
Description
Technical field
The utility model relates to circuit for lamp, and more specifically, it relates to touch dimmer circuit for lamp.
Background technology
The light fixture of existing incandescent light all adopts the mode of adjustment voltage to reach the object of light modulation. But, for the light fixture using photodiode (LED), then it is unsuitable for adopting the mode of adjustment voltage to reach the object of light modulation. So, industry attempts the mode of the dutycycle of the Rectified alternating current using adjustment to be supplied to LED light lamp, changes and is supplied to the watt current of LED light lamp to reach the object of light modulation. Such as, Chinese invention patent open (bulletin) number is CN201114962, name is called the technical scheme of " touch switching light modulator ", proposing to power to touch signal control module and switching output module by switch sections power supply module, after the operation signal of touch signal control module reception touch sensitive key load module, the electrical connection of city's electricity with light modulation part power supply module connected by trip switch output module; Light modulation part power supply module exports loop (driving unit) power supply to light-adjusting module and light modulation, light-adjusting module controls light-adjusting module after receiving the operation signal of knob load module and changes the pulsewidth exporting square wave, thus makes light modulation export loop and be supplied to the dutycycle of Rectified alternating current of LED light lamp to change to reach the object of light modulation.
But this circuit is combined with knob by soft-touch control and is realized control, and the inconvenience of power supply power taking simultaneously, the convenience of operation is poor.
Practical novel content
For the deficiency that prior art exists, the purpose of this utility model is: the circuit for lamp that offer operation is convenient, power taking is easy to have light modulation function.
Above-mentioned technical purpose of the present utility model is achieved by the following technical programs: a kind of circuit for lamp, comprise touch dish, the lamp group of touch sensitive action, receive touch dish signal in order to control the touch-control module of lamp group light modulation shelves position, to provide the power supply module of working power, described power supply module comprises the outer interface of power supply, the Voltage stabilizing module changing external source voltage, battery, connection battery in order to promote the DCDC module of voltage, and the power supply of described touch-control module is provided by external source or battery.
By above-mentioned setting, existing desk lamp with dimmer switch is adopt plug to be connected to socket power taking mostly, and regulate lamplight brightness by knob, it is very inconvenient to operate, this scheme regulates the brightness of lamp group after adopting touch dish collocation touch-control module to carry out receiving the triggering signal of touch dish, combine the dual mode power taking of outside interface power taking and powered battery simultaneously, the mode of the power supply obtained is various, can be convenient for carrying and use simultaneously, user can move to other place and use, powered battery is completely enough, undertaken the output of battery by DCDC module boosting to reach lamp group power requirement, use reliable, convenient.
Preferably, described battery is rechargeable battery, the current supply circuit of described battery is provided with to detect cell voltage and at voltage lower than the low pressure protection module cutting off powered battery during lower threshold.
By above-mentioned setting; pollution or two times in order to avoid battery use; battery is rechargeable battery; when battery electricity is excessively little time; the protection to rechargeable battery can be carried out by low pressure protection module, directly cut off the power supply of rechargeable battery, avoid the situation of too much electric discharge when the low electricity of rechargeable battery; available protecting rechargeable battery, it is to increase the work-ing life of rechargeable battery.
Preferably, described low pressure protection module comprises the sample voltage detecting circuit of power supply terminal voltage of battery, the chip one of the signal of receiver voltage detection circuit, and described chip one has the delivery port one opened and closed for controlling touch-control module working power.
By above-mentioned setting; first it is realize the voltage battery to powered battery end by voltage detecting circuit; such that it is able to judge the electricity situation of battery; when the electricity deficiency of battery; the voltage of its output terminal can decline; in time battery electricity deficiency being detected; chip one will carry out protection act; the current supply circuit of battery is cut off by delivery port one; stop the power supply of battery, to protect rechargeable battery, after the working power of touch-control module loses simultaneously; work will be stopped, such that it is able to close lamp group.
Preferably, constant-current dimming module also it is provided with between described touch-control module and lamp group, the power supply of described touch-control module is controlled by the delivery port one of chip one, and exports PWM ripple after receiving touch dish signal to constant-current dimming module, and described constant-current dimming module regulates the brightness of lamp group.
By above-mentioned setting, touch-control module adopts output PWM ripple to regulate constant current light-adjusting module, such that it is able to the brightness making lamp group is adjustable, it is convenient to control, and adopts the mode touching control to operate, the operating habit of compound use person, and mechanical abrasion, the longer service life of touch dish.
Preferably, described constant-current dimming module comprise the switching tube two of control lamp group cathode voltage and switching tube four, the receiving light group sampling electric current of control lamp group current sample and the different voltage of constant current output to realize the constant current chip of lamp group difference luminosity.
By above-mentioned setting, in order to lamp group luminescence can be made more stable, improve the work-ing life of lamp group simultaneously, therefore the electric current that lamp group needs needs to be a stable electric current, therefore the feedback control of electric current is realized by switching tube four, realized the control of voltage by trip switch pipe pipe two, adopt constant current chip to realize the output of constant current so that lamp group can stabilized illumination simultaneously.
Preferably, the control signal level of described switching tube two and switching tube four is contrary.
By above-mentioned setting, adopt and both control signal level are arranged on the contrary, thus improve electric property, avoiding the generation of the direct power coupling phenomenon of circuit, meanwhile, both control signal level are contrary, make detection more stable and accurate, avoid mutual interference between the two.
Preferably, described switching tube two is PMOS, and described switching tube four is NMOS tube.
By above-mentioned setting, adopting PMOS, NMOS tube to make control circui convenient, because PMOS is lower level conducting, NMOS tube is high level conducting, so the switch state of its work is contrary when receiving same level signal.
Preferably, described touch dish is capacitance touch dish.
By above-mentioned setting, what touch dish adopted is capacitance touch dish, and structure is simple, it is easy to realize, the equivalence of touch dish is become electric capacity element, by capacitance touch principle, thus the size of electrical capacity can be changed when touching touch dish, such that it is able to as the triggering signal touched.
Preferably, described lamp group is becoming of multiple LED parallel connection.
By above-mentioned setting, adopt multiple LED in parallel, it is possible to make the voltage of each LED keep inconvenience, what obtain due to its lamp group is constant current simultaneously, so also be constant by shunting at the electric current of each LED so that each LED luminous even, it is to increase work-ing life.
Preferably, it is in series with current limliting resistance between described lamp group and ground terminal.
By above-mentioned setting, by current limliting resistance and the phenomenon preventing overcurrent, the use of available protecting LED, it is to increase work-ing life.
In sum, the utility model has following useful effect: operation is convenient, power taking is easy, also has touch dimmer function, it may also be useful to the life-span is long.
Accompanying drawing explanation
Fig. 1 is the circuit block diagram of the present embodiment;
Fig. 2 is the supplying unit schematic circuit of the present embodiment;
Fig. 3 is the control partial circuit diagram of the present embodiment.
In figure 1, touch dish; 2, lamp group; 3, touch-control module; 4, power supply module; 41, the outer interface of power supply; 42, Voltage stabilizing module; 43, battery; 44, DCDC module; 5, low pressure protection module; 51, voltage detecting circuit; U1, chip one; 52, delivery port one; 6, constant-current dimming module; Q2, switching tube two; Q4, switching tube four; U3, constant current chip; R7, current limliting resistance.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Embodiment 1: as shown in Figure 1, a kind of circuit for lamp, comprise touch dish 1, the lamp group 2 of touch sensitive action, receive touch dish 1 signal in order to control the touch-control module 3 of lamp group 2 light modulation shelves position, to provide the power supply module 4 of working power, described power supply module 4 comprises the outer interface 41 of power supply, the Voltage stabilizing module 42 changing external source voltage, battery 43, connects battery 43 in order to promote the DCDC module 44 of voltage, and the power supply of described touch-control module 3 is provided by external source or battery 43. Power supply module 4 is wherein also provided with low pressure protection module 5 protect for battery 43; battery 43 is rechargeable battery 43, and the current supply circuit of described battery 43 is provided with the low pressure protection module 5 detecting battery 43 voltage and powering lower than cut-out battery 43 during lower threshold at voltage. The first power supply mode is powered by the outer interface 41 of power supply, and this power supply mode is more existing, it is necessary to is inserted on socket by plug and carries out power taking, if when needing lamp group 2 needs movement, can not arbitrarily will move due to power supply problem. 2nd kind of power supply mode is that battery 43 is powered.
Hereinafter being described further for concrete module circuit, as shown in Figure 2, rechargeable battery 43AABattery is connected on terminal B+, B-, and what rechargeable battery 43 adopted is AA battery 43, directly outputs on plug receptacle PH1, and J1 is DC-098 type DC socket. P1 is battery 43 positive and negative lead wires pad, and PH1 is 2.0 spacing PH sockets, and for power supply exports, lead-in wire removes lamp plate. The power supply of J1 input is DC5V power supply. DC5V power supply carries out voltage stabilizing output by voltage stabilizing chip U1, is finally still connected on plug receptacle PH1. Plug receptacle PH1 is on V+, V-end being connected in the circuit of Fig. 3.
As shown in Figure 2; the electric power that the circuit of the supplying unit in Fig. 1 exports is input in Fig. 3; by DCDC module 44; that DCDC module 44 adopts is chip LY1035; on input terminus, wherein it has been connected in series the effect that an inductance L 1 plays buffering; make the power supply of circuit more stable; low pressure protection module 5 comprises the sample voltage detecting circuit 51 of power supply terminal voltage of battery 43, chip one U1 of the signal of receiver voltage detection circuit 51, and described chip one U1 has the delivery port 1 opened and closed for controlling touch-control module 3 working power. Chip one U1 adopts MR1500 chip, there is the function of negative-feedback regu-lation simultaneously, undertaken being adopted by the voltage of supply on battery 43 by MOS pipe Q3, the voltage signal feedback detected is on chip, thus control the output situation of delivery port IO-1, the main function of U1 is low electric power detection, and in the present embodiment, check point is 1.65��1.75V. After input voltage reaches this voltage range, U1 is by control powered-down and keeps self-locking state until re-powering. This function can realize the protection to battery 43 when using rechargeable cell 43 of this product.
By above-mentioned setting; pollution or two times in order to avoid battery 43 use; battery 43 is rechargeable battery 43; when battery 43 electricity is excessively little time; the protection to rechargeable battery 43 can be carried out by low pressure protection module 5, directly cut off the power supply of rechargeable battery 43, avoid situation about too much discharging when rechargeable battery 43 low electricity; available protecting rechargeable battery 43, it is to increase the work-ing life of rechargeable battery 43. First it is realized being powered by battery 43 voltage battery 43 of end by voltage detecting circuit 51; such that it is able to judge the electricity situation of battery 43; when the electricity deficiency of battery 43; the voltage of its output terminal can decline; in time battery 43 electricity deficiency being detected; chip one U1 will carry out protection act; the current supply circuit of battery 43 is cut off by delivery port 1; stop the power supply of battery 43; to protect rechargeable battery 43; after the working power of touch-control module 3 loses simultaneously, work will be stopped, such that it is able to close lamp group 2.
Touch-control module 3 mainly have employed touch chip HCW8226, the control waveform of PWM can be exported from its functional pin, chip in this similar functions also has TCH8226 chip, constant-current dimming module 6 also it is provided with between touch-control module 3 and lamp group 2, the power supply of described touch-control module 3 is controlled by the delivery port 1 of chip one U1, and exporting PWM ripple after receiving touch dish 1 signal to constant-current dimming module 6, described constant-current dimming module 6 regulates the brightness of lamp group 2.
As shown in Figure 3, when the pin 3 of chip U2 exports PWM waveform time, such as, it is high level on a time end, now makes triode Q1 conducting, so that the grid of switching tube two Q2 is lower level, and the grid high level of switching tube four Q4, carries out conducting by the Switching Condition of respective switching tube so again, now when level is high, switching tube two Q2 conducting, switching tube four Q4 conducting, U3 is boost type LED constant current control IC, regulates and steady current by current feedback signal. The pwm control signal that U2 exports realizes light modulation by switching tube four Q4. The control signal level of switching tube two Q2 and switching tube four Q4 is contrary. So, switching tube two Q2 is PMOS, and described switching tube four Q4 is NMOS tube. Adopting PMOS, NMOS tube to make control circui convenient, because PMOS is lower level conducting, NMOS tube is high level conducting, so the switch state of its work is contrary when receiving same level signal.
By above-mentioned setting, adopt and both control level are arranged on the contrary, thus improve electric property, avoiding the generation of the direct power coupling phenomenon of circuit, meanwhile, both control level are contrary, make detection more stable and accurate, avoid mutual interference between the two.
By above-mentioned setting, touch-control module 3 adopts output PWM ripple to regulate constant current light-adjusting module 6, such that it is able to the brightness making lamp group 2 is adjustable, it is convenient to control, and adopts the mode touching control to operate, the operating habit of compound use person, and mechanical abrasion, the longer service life of touch dish 1.
Constant-current dimming module 6 comprises switching tube two Q2 of control lamp group 2 cathode voltage and switching tube four Q4 of control lamp group 2 current sample, receiving light group 2 sample electric current and the different voltage of constant current output to realize the constant current chip U3 of the different luminosity of lamp group 2, constant current chip U3 adopts LY2326 chip, by above-mentioned setting, in order to lamp group 2 luminescence can be made more stable, improve the work-ing life of lamp group 2 simultaneously, therefore the electric current that lamp group 2 needs needs to be a stable electric current, therefore the feedback control of electric current is realized by switching tube four Q4, the control of voltage is realized by trip switch pipe pipe two, adopt constant current chip U3 to realize the output of constant current simultaneously, make the lamp group 2 can stabilized illumination.
Preferably, described touch dish 1 is capacitance touch dish 1. What touch dish 1 adopted is capacitance touch dish 1, and structure is simple, is easy to realize, touch dish 1 equivalence is become electric capacity element, by capacitance touch principle, thus the size of electrical capacity can be changed when touching touch dish 1, such that it is able to as the triggering signal touched.
In addition, lamp group 2 be multiple LED parallel connection and become. VLED is voltage during LED operation, is that a variable changes with light modulation shelves. By above-mentioned setting, adopt multiple LED in parallel, it is possible to make the voltage of each LED keep inconvenience, what obtain due to its lamp group 2 is constant current simultaneously, so also be constant by shunting at the electric current of each LED so that each LED luminous even, it is to increase work-ing life. Current limliting resistance R7 it is in series with between described lamp group 2 and ground terminal. By current limliting resistance R7 and the phenomenon preventing overcurrent, the use of available protecting LED, it is to increase work-ing life.
In sum, existing desk lamp with dimmer switch is adopt plug to be connected to socket power taking mostly, and regulate lamplight brightness by knob, it is very inconvenient to operate, this scheme adopts touch dish 1 to arrange in pairs or groups after touch-control module 3 carries out receiving the triggering signal of touch dish 1 and regulates the brightness of lamp group 2, combine outside interface power taking and the dual mode power taking of battery 43 power supply simultaneously, the mode of the power supply obtained is various, can be convenient for carrying and use simultaneously, user can move to other place and use, battery 43 is powered completely enough, undertaken the output of battery 43 by DCDC module 44 boosting to reach lamp group 2 power requirement, use reliable, convenient. the bright spot of this product is: high-level efficiency, noiseless, and brightness stability, use power supply variation (AA battery 43 and AA rechargeable cell 43, external DC5V), wide power scope (3.1��1.8V), low electro-detection and battery 43 are protected.
This specific embodiment is only to explanation of the present utility model; it is not to restriction of the present utility model; the present embodiment can be made the amendment not having creative contribution as required by those skilled in the art after reading this specification sheets, but as long as being all subject to the protection of patent law in right of the present utility model.
Claims (10)
1. a circuit for lamp, comprise the touch dish (1) of touch sensitive action, lamp group (2), receive touch dish (1) signal in order to control the touch-control module (3) of lamp group (2) light modulation shelves position, the power supply module (4) of working power is provided, it is characterized in that: described power supply module (4) comprises the outer interface (41) of power supply, the Voltage stabilizing module (42) of conversion external source voltage, battery (43), connect battery (43) in order to promote the DCDC module (44) of voltage, the power supply of described touch-control module (3) is provided by external source or battery (43).
2. circuit for lamp according to claim 1; it is characterized in that: described battery (43) is rechargeable battery, the current supply circuit of described battery (43) is provided with the low pressure protection module (5) detecting battery (43) voltage and powering lower than cut-out battery (43) during lower threshold at voltage.
3. circuit for lamp according to claim 2; it is characterized in that: described low pressure protection module (5) comprises the sample voltage detecting circuit (51) of power supply terminal voltage of battery (43), the chip one (U1) of the signal of receiver voltage detection circuit (51), and described chip one (U1) has the delivery port one (52) opened and closed for controlling touch-control module (3) working power.
4. circuit for lamp according to claim 3, it is characterized in that: between described touch-control module (3) and lamp group (2), be also provided with constant-current dimming module (6), the power supply of described touch-control module (3) is controlled by the delivery port one (52) of chip one (U1), and exporting PWM ripple after receiving touch dish (1) signal to constant-current dimming module (6), described constant-current dimming module (6) regulates the brightness of lamp group (2).
5. circuit for lamp according to claim 4, it is characterised in that: described constant-current dimming module (6) comprise the switching tube two (Q2) of control lamp group (2) cathode voltage and switching tube four (Q4), receiving light group (2) the sampling electric current of control lamp group (2) current sample and the different voltage of constant current output to realize the constant current chip (U3) of lamp group (2) difference luminosity.
6. circuit for lamp according to claim 5, it is characterised in that: the control signal level of described switching tube two (Q2) and switching tube four (Q4) is contrary.
7. circuit for lamp according to claim 6, it is characterised in that: described switching tube two (Q2) is PMOS, and described switching tube four (Q4) is NMOS tube.
8. circuit for lamp according to claim 1, it is characterised in that: described touch dish (1) is capacitance touch dish (1).
9. circuit for lamp according to claim 1, it is characterised in that: that described lamp group (2) is multiple LED parallel connection and become.
10. circuit for lamp circuit for lamp according to claim 1, it is characterised in that: it is in series with current limliting resistance (R7) between described lamp group (2) and ground terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620031032.2U CN205283895U (en) | 2016-01-13 | 2016-01-13 | Lamp circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620031032.2U CN205283895U (en) | 2016-01-13 | 2016-01-13 | Lamp circuit |
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| Publication Number | Publication Date |
|---|---|
| CN205283895U true CN205283895U (en) | 2016-06-01 |
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ID=56068416
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620031032.2U Expired - Fee Related CN205283895U (en) | 2016-01-13 | 2016-01-13 | Lamp circuit |
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| CN (1) | CN205283895U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020038156A1 (en) * | 2018-08-20 | 2020-02-27 | 广州驰扬电气机械有限公司 | Drive circuit, and aroma diffuser apparatus |
| CN110913533A (en) * | 2019-12-31 | 2020-03-24 | 佛山市利升光电有限公司 | LED lamp and control circuit thereof |
| CN114630471A (en) * | 2020-12-10 | 2022-06-14 | 常州星宇车灯股份有限公司 | Touch control's Matrix indoor lamp |
| CN114760734A (en) * | 2021-12-15 | 2022-07-15 | 常州星宇车灯股份有限公司 | Control system and control method of touch-sensitive rear room lamp |
-
2016
- 2016-01-13 CN CN201620031032.2U patent/CN205283895U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020038156A1 (en) * | 2018-08-20 | 2020-02-27 | 广州驰扬电气机械有限公司 | Drive circuit, and aroma diffuser apparatus |
| CN110913533A (en) * | 2019-12-31 | 2020-03-24 | 佛山市利升光电有限公司 | LED lamp and control circuit thereof |
| CN114630471A (en) * | 2020-12-10 | 2022-06-14 | 常州星宇车灯股份有限公司 | Touch control's Matrix indoor lamp |
| CN114760734A (en) * | 2021-12-15 | 2022-07-15 | 常州星宇车灯股份有限公司 | Control system and control method of touch-sensitive rear room lamp |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160601 Termination date: 20200113 |
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| CF01 | Termination of patent right due to non-payment of annual fee |