CN103424715A - Lamp testing circuit and device - Google Patents
Lamp testing circuit and device Download PDFInfo
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- CN103424715A CN103424715A CN201210152465XA CN201210152465A CN103424715A CN 103424715 A CN103424715 A CN 103424715A CN 201210152465X A CN201210152465X A CN 201210152465XA CN 201210152465 A CN201210152465 A CN 201210152465A CN 103424715 A CN103424715 A CN 103424715A
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Abstract
The invention discloses a lamp testing circuit which comprises a controlling module, an adjusting module and a switch module. The power-supplying end of the controlling module is electrically connected with a voltage-stabilizing direct current, the voltage-output end of the controlling module is connected with the input end of the adjusting module, the output end of the adjusting module is connected with the adjusting end of the controlling module, the push-pull output end of the controlling module is connected with the controlling end of the switch module, and the switch of the switch module is connected in the power-supply circuit of the lamp in series; the parameters of the adjusting module are adjusted to be used for changing the duty ratio and the frequency of the push-pull output end of the controlling module to change the on-off time of the lamp. The lamp testing circuit changes the duty ratio and the frequency of the push-pull output end of the controlling module, namely, the time and frequency of lighting the lamp connected to the lamp testing circuit are changed, and testing of lamp working at different time and at different frequencies are simply and reliably achieved. In addition, the invention further discloses a lamp testing device with the lamp testing circuit.
Description
Technical field
The present invention relates to the light fixture field tests, particularly relate to light fixture test circuit and device.
Background technology
When light fixture is produced, to be estimated and be tested life-span and the security of light fixture.The equipment of traditional test lamp switch machine mostly is plant equipment, very heavy, and the by-pass cock machine time is also inconvenient, and has used of a specified duration to also have wearing and tearing.Except using plant equipment, can also adopt electronic equipment also can complete test, but electronic equipment is expensive.
Summary of the invention
Based on this, be necessary for test light fixture switching on and shutting down equipment heaviness, regulate inconvenient problem, a kind of easy, reliable light fixture test circuit is provided.
In addition, be necessary for test light fixture switching on and shutting down equipment heaviness, regulate inconvenient problem, a kind of easy, reliable lamp test device is provided.
A kind of light fixture test circuit, comprise control module, adjustment module and switch module, wherein,
The feeder ear of described control module is connected with direct current of voltage regulation, the voltage output end of described control module is connected with the input end of described adjustment module, the output terminal of described adjustment module is connected with the adjustable side of described control module, the output terminal of recommending of described control module is connected with the control end of described switch module, and the switch of described switch module is connected in series in the current supply circuit of light fixture;
The parameter of regulating described adjustment module for the duty of recommending output terminal that changes described control module when frequency to change the switching time of described light fixture.
Therein in embodiment, described control module comprises the UC3842 chip, the 4th pin of described UC3842 chip, the 6th pin, the 7th pin and the 8th pin be followed successively by described control module adjustable side, recommend output terminal, feeder ear and voltage output end, described UC3842 the 5th pin ground connection, other pins are unsettled.
Therein in embodiment, described adjustment module comprises adjustable resistance and tunable capacitor, one end of described adjustable resistance is connected with the voltage output end of described control module, and the other end of described adjustable resistance is connected with the adjustable side of described control module and passes through described tunable capacitor ground connection.
Therein in embodiment, described switch module comprises switching tube and relay, the control end of described switching tube is connected with the output terminal of recommending of described control module, the input end of described switching tube is connected with an end of the coil of described relay, the other end of the coil of described relay is connected with described direct current of voltage regulation, the output head grounding of described switching tube, the switch contact of described relay is connected in series in the current supply circuit of described light fixture as the switch of described switch module.
In embodiment, also comprise power module therein, described power module comprises transformer, the first diode, the first electric capacity, the first resistance and the second resistance, wherein,
Two input ends of the armature winding of described transformer are connected with zero line with the live wire of civil power respectively, one end of the secondary winding of described transformer and the anodic bonding of described the first diode, the negative electrode of described the first diode is connected with the other end of the secondary winding of described transformer through described the first electric capacity, after described the first resistance and the series connection of the second resistance, with described the first Capacitance parallel connection, the node that described the first resistance is connected with the second resistance is exported direct current of voltage regulation and is connected with the feeder ear of described control module as the output terminal of described power module.
A kind of lamp test device, comprise the light fixture test circuit, and described light fixture test circuit comprises control module, adjustment module and switch module, wherein,
The feeder ear of described control module is connected with direct current of voltage regulation, the voltage output end of described control module is connected with the input end of described adjustment module, the output terminal of described adjustment module is connected with the adjustable side of described control module, the output terminal of recommending of described control module is connected with the control end of described switch module, and the switch of described switch module is connected in series in the current supply circuit of light fixture;
The parameter of regulating described adjustment module for the duty of recommending output terminal that changes described control module when frequency to change the switching time of described light fixture.
Therein in embodiment, described control module comprises the UC3842 chip, the 4th pin of described UC3842 chip, the 6th pin, the 7th pin and the 8th pin be followed successively by described control module adjustable side, recommend output terminal, feeder ear and voltage output end, described UC3842 the 5th pin ground connection, other pins are unsettled.
Therein in embodiment, described adjustment module comprises adjustable resistance and tunable capacitor, one end of described adjustable resistance is connected with the voltage output end of described control module, and the other end of described adjustable resistance is connected with the adjustable side of described control module and passes through described tunable capacitor ground connection.
Therein in embodiment, described switch module comprises switching tube and relay, the control end of described switching tube is connected with the output terminal of recommending of described control module, the input end of institute's switching tube is connected with an end of the coil of described relay, the other end of the coil of described relay is connected with described power supply, the output head grounding of described switching tube, the switch contact of described relay is connected in series in the current supply circuit of described light fixture as the switch of described switch module.
In embodiment, also comprise power module therein, described power module comprises transformer, the first diode, the first electric capacity, the first resistance and the second resistance, wherein,
Two input ends of the armature winding of described transformer are connected with zero line with the live wire of civil power respectively, one end of the secondary winding of described transformer and the anodic bonding of described the first diode, the negative electrode of described the first diode is connected with the other end of the secondary winding of described transformer through described the first electric capacity, after described the first resistance and the series connection of the second resistance, with described the first Capacitance parallel connection, the node that described the first resistance is connected with the second resistance is exported direct current of voltage regulation and is connected with the feeder ear of described control module as the output terminal of described power module.
The parameter of above-mentioned light fixture test circuit by regulating adjustment module is with the duty of recommending output terminal that changes control module frequency when, this can change turn-on time and the trip time of switch module, therefore also changed time and frequency that the light fixture that accesses this light fixture test circuit lights, changed frequency and time that light fixture extinguishes, realized that light fixture is operated in the test of different time and frequency simple and reliablely.In addition, a kind of lamp test device that is provided with this light fixture test circuit is also disclosed.
The accompanying drawing explanation
The modular structure figure of the light fixture test circuit that Fig. 1 provides for a preferred embodiment;
The circuit theory diagrams of the light fixture test circuit that Fig. 2 provides for a preferred embodiment.
Embodiment
As shown in Figure 1, be the light fixture test circuit in a preferred embodiment, it comprises control module 100, adjustment module 200 and switch module 300.
The feeder ear a of control module 100 is connected with direct current of voltage regulation, the voltage output end b of control module 100 is connected with the input end of adjustment module 200, the output terminal of adjustment module 200 is connected with the adjustable side c of control module 100, the output terminal d that recommends of control module 100 is connected with the control end of switch module 300, and the switch 302(of switch module 300 is as shown in Figure 2) be connected in series in the current supply circuit of light fixture L1; The parameter of regulating adjustment module 200 for the duty of recommending output terminal d that changes control module 100 when frequency to change the switching time of light fixture L1.
The parameter of above-mentioned light fixture test circuit by regulating adjustment module 200 is with the duty of recommending output terminal d that changes control module 100 frequency when, this can change turn-on time and the trip time of the switch 302 of switch module 300, therefore also changed time and frequency that the light fixture L1 that accesses this light fixture test circuit lights, changed frequency and time that light fixture L1 extinguishes, realized that light fixture L1 is operated in the test of different time and frequency simple and reliablely.
With reference to figure 2, in a preferred embodiment, control module 100 comprises the UC3842 chip, the 4th pin 4, the 6th pin 6, the 7th pin 7 and the 8th pin 8 of UC3842 chip be followed successively by control module 100 adjustable side c, recommend output terminal d, feeder ear a and voltage output end b, UC3842 chip the 5th pin 5 ground connection, other pins are unsettled.
The UC3842 chip is the current mode pulse width controller, and its 4th pin 4 is the adjustable side c of control module 100, is the timing pin; Because the frequency of operation of UC3842 chip internal oscillator is that the capacity-resistance time constant external by the timing pin determines, change external capacity-resistance time constant and make the frequency of operation of internal oscillator change, can change its 6th pin 6(and recommend output terminal d) dutycycle and the frequency of square-wave pulse of output.In other embodiments, control module 100 can be single-chip microcomputer; The UC3842 chip can be used UC3843 chip etc. to realize that adjustable integrated circuit of recommending output replaces.
Wherein, switching tube Q1 is preferably metal-oxide-semiconductor, and switching tube Q1 control end, input end and output terminal are followed successively by grid, source electrode and the drain electrode of metal-oxide-semiconductor.In other embodiments, switching tube Q1 can be power tube, or is triode.In the present embodiment, relay K 1 is DC relay, and the switch contact 302 of relay K 1 is the associated controlled switch of the coil with relay K 1 that its moving contact forms with stationary contact.
In a preferred embodiment, the feeder ear a that the light fixture test circuit also is included as control module 100 provides the power module 400 of direct current of voltage regulation.Power module 400 comprises transformer T1, the first diode D1, the first capacitor C 3, the first resistance R 1 and the second resistance R 2.In other embodiments, for the feeder ear a of control module 100 provides direct current of voltage regulation, can be battery.
Two input ends of the armature winding of transformer T1 are connected with zero line N with the live wire L of civil power respectively, one end of the secondary winding of transformer T1 and the anodic bonding of the first diode D1, the negative electrode of the first diode D1 is connected with the other end of the secondary winding of transformer T1 through the first capacitor C 3, in parallel with the first capacitor C 3 after the first resistance R 1 and the second resistance R 2 series connection, the node that the first resistance R 1 is connected with the second resistance R 2 is exported direct current of voltage regulation and is connected with the feeder ear a of control module 100 as the output terminal of power module 400.Wherein, the first diode D1 plays rectified action to the electric current of the secondary winding output of transformer T1, can replace with rectifier bridge; The first 3 pairs of capacitor C are carried out filtering by the voltage after the first diode D1 rectification.
In a preferred embodiment, power module 400 also comprises stabilivolt ZD1 and the second capacitor C 1.Wherein, the negative electrode of stabilivolt ZD1 and the second capacitor C 1 are in parallel rear in parallel with the second resistance R 2.Stabilivolt ZD1 is connected in parallel on output voltage stable that the second resistance R 2 two ends have guaranteed power module 400.The second capacitor C 1 plays the energy storage effect, the voltage by after the first diode D1 rectification is carried out to filtering simultaneously.
In a preferred embodiment, the light fixture test circuit also comprises the second diode D2 and the 3rd resistance R 4, the negative electrode of the second diode D2 is connected with the output terminal d that recommends of control module 100, the anode of the second diode D2 is connected with the control end of switching tube Q1, and the 3rd resistance R 4 is in parallel with the second diode D2.The second diode D2 and the 3rd resistance R 4 form Releasing loop, for the release-push pipe Q1 turn-on and turn-off peak current of moment.
Principle of work below with reference to the light fixture test circuit in accompanying drawing 2 explanation preferred embodiments.
After light fixture test circuit access civil power, transformer T1 secondary winding is sensed voltage and by after the first diode D1 rectification and the first capacitor C 3 filtering, becoming stable direct current, DC voltage is given the second capacitor C 1 charging by the first resistance R 1, when the voltage of the second capacitor C 1 arrives the trigger voltage of UC3842 chip, the UC3842 chip enable, the output terminal d that recommends at the UC3842 chip exports square-wave pulse, and square-wave pulse is by the 3rd resistance R 4 starting switch pipe Q1.The UC3842 chip recommend output terminal d switching tube Q1 conducting while being output as high level, while being output as low level, switching tube Q1 turn-offs, when switching tube Q1 conducting, relay K 1 adhesive, light fixture starts.When switching tube Q1 turn-offs, relay K 1 not adhesive, light fixture is closed.The value of regulating variable resistor R3 and variable capacitance C2 can change dutycycle and the frequency of square-wave pulse of the output of UC3842 chip, thereby the dutycycle and the frequency that can gauge tap pipe Q1 turn on and off, control time that turns on and off of light fixture by relay K 1.The user can obtain by the value of regulating variable resistor R3 and variable capacitance C2 service time and the turn-off time of the light fixture that needs test like this.
In addition, for testing light fixture switching on and shutting down equipment heaviness, regulating inconvenient problem, provide a kind of easy, reliable lamp test device.Lamp test device comprises above-mentioned light fixture test circuit, and described light fixture test circuit comprises control module, adjustment module and switch module.
Wherein, the feeder ear of described control module is connected with direct current of voltage regulation, the voltage output end of described control module is connected with the input end of described adjustment module, the output terminal of described adjustment module is connected with the adjustable side of described control module, the output terminal of recommending of described control module is connected with the control end of described switch module, and the switch of described switch module is connected in series in the current supply circuit of light fixture;
The parameter of regulating described adjustment module for the duty of recommending output terminal that changes described control module when frequency to change the switching time of described light fixture.
The electric circuit constitute of light fixture test circuit and principle explanation thereof as mentioned above, repeat no more here.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a light fixture test circuit, is characterized in that, comprises control module, adjustment module and switch module, wherein,
The feeder ear of described control module is connected with direct current of voltage regulation, the voltage output end of described control module is connected with the input end of described adjustment module, the output terminal of described adjustment module is connected with the adjustable side of described control module, the output terminal of recommending of described control module is connected with the control end of described switch module, and the switch of described switch module is connected in series in the current supply circuit of light fixture;
The parameter of regulating described adjustment module for the duty of recommending output terminal that changes described control module when frequency to change the switching time of described light fixture.
2. light fixture test circuit according to claim 1, it is characterized in that, described control module comprises the UC3842 chip, the 4th pin of described UC3842 chip, the 6th pin, the 7th pin and the 8th pin be followed successively by described control module adjustable side, recommend output terminal, feeder ear and voltage output end, described UC3842 the 5th pin ground connection, other pins are unsettled.
3. light fixture test circuit according to claim 1 and 2, it is characterized in that, described adjustment module comprises adjustable resistance and tunable capacitor, one end of described adjustable resistance is connected with the voltage output end of described control module, and the other end of described adjustable resistance is connected with the adjustable side of described control module and passes through described tunable capacitor ground connection.
4. light fixture test circuit according to claim 1, it is characterized in that, described switch module comprises switching tube and relay, the control end of described switching tube is connected with the output terminal of recommending of described control module, the input end of described switching tube is connected with an end of the coil of described relay, the other end of the coil of described relay is connected with described direct current of voltage regulation, the output head grounding of described switching tube, the switch contact of described relay is connected in series in the current supply circuit of described light fixture as the switch of described switch module.
5. light fixture test circuit according to claim 1, is characterized in that, also comprises power module, and described power module comprises transformer, the first diode, the first electric capacity, the first resistance and the second resistance, wherein,
Two input ends of the armature winding of described transformer are connected with zero line with the live wire of civil power respectively, one end of the secondary winding of described transformer and the anodic bonding of described the first diode, the negative electrode of described the first diode is connected with the other end of the secondary winding of described transformer through described the first electric capacity, after described the first resistance and the series connection of the second resistance, with described the first Capacitance parallel connection, the node that described the first resistance is connected with the second resistance is exported direct current of voltage regulation and is connected with the feeder ear of described control module as the output terminal of described power module.
6. a lamp test device, is characterized in that, comprises the light fixture test circuit, and described light fixture test circuit comprises control module, adjustment module and switch module, wherein,
The feeder ear of described control module is connected with direct current of voltage regulation, the voltage output end of described control module is connected with the input end of described adjustment module, the output terminal of described adjustment module is connected with the adjustable side of described control module, the output terminal of recommending of described control module is connected with the control end of described switch module, and the switch of described switch module is connected in series in the current supply circuit of light fixture;
The parameter of regulating described adjustment module for the duty of recommending output terminal that changes described control module when frequency to change the switching time of described light fixture.
7. lamp test device according to claim 6, it is characterized in that, described control module comprises the UC3842 chip, the 4th pin of described UC3842 chip, the 6th pin, the 7th pin and the 8th pin be followed successively by described control module adjustable side, recommend output terminal, feeder ear and voltage output end, described UC3842 the 5th pin ground connection, other pins are unsettled.
8. according to the described lamp test device of claim 6 or 7, it is characterized in that, described adjustment module comprises adjustable resistance and tunable capacitor, one end of described adjustable resistance is connected with the voltage output end of described control module, and the other end of described adjustable resistance is connected with the adjustable side of described control module and passes through described tunable capacitor ground connection.
9. lamp test device according to claim 6, it is characterized in that, described switch module comprises switching tube and relay, the control end of described switching tube is connected with the output terminal of recommending of described control module, the input end of institute's switching tube is connected with an end of the coil of described relay, the other end of the coil of described relay is connected with described power supply, the output head grounding of described switching tube, the switch contact of described relay is connected in series in the current supply circuit of described light fixture as the switch of described switch module.
10. lamp test device according to claim 6, is characterized in that, also comprises power module, and described power module comprises transformer, the first diode, the first electric capacity, the first resistance and the second resistance, wherein,
Two input ends of the armature winding of described transformer are connected with zero line with the live wire of civil power respectively, one end of the secondary winding of described transformer and the anodic bonding of described the first diode, the negative electrode of described the first diode is connected with the other end of the secondary winding of described transformer through described the first electric capacity, after described the first resistance and the series connection of the second resistance, with described the first Capacitance parallel connection, the node that described the first resistance is connected with the second resistance is exported direct current of voltage regulation and is connected with the feeder ear of described control module as the output terminal of described power module.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210152465XA CN103424715A (en) | 2012-05-16 | 2012-05-16 | Lamp testing circuit and device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210152465XA CN103424715A (en) | 2012-05-16 | 2012-05-16 | Lamp testing circuit and device |
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| CN103424715A true CN103424715A (en) | 2013-12-04 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104723940A (en) * | 2013-12-20 | 2015-06-24 | 国家电网公司 | Vehicle amp control method and device |
| CN106229217A (en) * | 2016-09-19 | 2016-12-14 | 东莞市三友联众电器有限公司 | A kind of energy-saving relay |
| CN114019405A (en) * | 2021-07-15 | 2022-02-08 | 重庆康佳光电技术研究院有限公司 | Lighting test device, method and system |
-
2012
- 2012-05-16 CN CN201210152465XA patent/CN103424715A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104723940A (en) * | 2013-12-20 | 2015-06-24 | 国家电网公司 | Vehicle amp control method and device |
| CN106229217A (en) * | 2016-09-19 | 2016-12-14 | 东莞市三友联众电器有限公司 | A kind of energy-saving relay |
| CN106229217B (en) * | 2016-09-19 | 2019-02-15 | 三友联众集团股份有限公司 | A kind of energy-saving relay |
| CN114019405A (en) * | 2021-07-15 | 2022-02-08 | 重庆康佳光电技术研究院有限公司 | Lighting test device, method and system |
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Application publication date: 20131204 |