CN206602702U - Electric ballast and UV lamp - Google Patents
Electric ballast and UV lamp Download PDFInfo
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- CN206602702U CN206602702U CN201720147996.8U CN201720147996U CN206602702U CN 206602702 U CN206602702 U CN 206602702U CN 201720147996 U CN201720147996 U CN 201720147996U CN 206602702 U CN206602702 U CN 206602702U
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- fluorescent tube
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- tube detection
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Abstract
The utility model discloses a kind of electric ballast and UV lamp, for people to fluorescent tube whether normal work can not be discovered easily the problem of there is provided following technical scheme, including fluorescent tube detection module, the operating current signal of fluorescent tube is converted into voltage signal, output fluorescent tube detection signal；Control module, with reference voltage signal, is coupled to fluorescent tube detection module to receive fluorescent tube detection signal and compare the size of fluorescent tube detection signal and reference voltage signal with output control signal；Indicating module, is coupled to control module to receive control signal, and work in response to control signal；When fluorescent tube normal work, indicating module gives a green light, and when fluorescent tube extinguishes, indicating module sends out a warning；Judged by detecting lamp current fluorescent tube whether normal work, and shown by the light of indicating module, thus allow people can see at a glance fluorescent tube whether normal work.
Description
Technical field
The utility model is related to a kind of light fixture starting device, more specifically, it relates to a kind of electric ballast and UV lamp.
Background technology
Electric ballast（Electronic ballast）, it is one kind of ballast, refers to drive electricity using electronic technology
Light source, is allowed to the electronic equipment of illumination needed for producing.Modern fluorescent lamp more and more uses electric ballast, light compact,
Electric ballast and fluorescent tube etc. can even be integrated, meanwhile, electric ballast can generally have starter function concurrently,
So single starter can be saved again.Electric ballast can also have it is more multi-functional, such as can by improve electric current frequency
Rate or current waveform（Such as become square wave）Improve or eliminate the scintillation of fluorescent lamp；Also it can be caused by power inverter process
Fluorescent lamp can use dc source.Some shortcomings of traditional inductance type rectifier make it by growing ripe electronics
Ballast is replaced.
For example, the Chinese patent of Application No. 201110117047.2 discloses a kind of electric ballast, it is included sequentially
Filter circuit, rectification circuit, circuit of power factor correction and the charge pump power supply circuit of connection, in addition to：Output-stage circuit,
It is connected between charge pump power supply circuit and fluorescent tube, and obtains the direct current of circuit of power factor correction output, is charge pump
Power supply circuit and fluorescent tube provide electric energy；Ballast control circuit, the power input connection electric charge of ballast control circuit
The output end of pump power supply circuit, the control signal of ballast control circuit is used to receive and according to ballast control signal, logical
Cross output-stage circuit and light emitting control, the output end connection output-stage circuit of ballast control circuit are carried out to fluorescent tube；Light modulation
Interface circuit, connects the control signal of ballast control circuit, ballast control signal is sent into ballast control circuit；
Ballast interface, connects dimming interface circuit；And adjusting control circuit, for ballast interface grafting, by sending town
Flow device control signal and carry out brightness adjustment control.
Although although this electric ballast can regulate and control to the light of fluorescent tube, fluorescent tube occurs in regulation and control
Operating current is smaller, if the problem of service life of fluorescent tube long-time work influence fluorescent tube under this electric current is even burnt,
Therefore improvement is needed badly.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is that lamp current can be detected by providing one kind
Judge fluorescent tube whether normal work and the electric ballast that is shown.
To achieve the above object, the utility model provides following technical scheme：
A kind of electric ballast, including
Fluorescent tube detection module, is converted into voltage signal, and export fluorescent tube detection signal by the operating current signal of fluorescent tube；
Control module, with the first reference voltage signal corresponding with fluorescent tube normal operating conditions, is coupled to fluorescent tube detection
Module detects that the size of signal and the first reference voltage signal is believed with output control to receive fluorescent tube detection signal and compare fluorescent tube
Number；
Indicating module, is coupled to control module to receive control signal, and work in response to control signal；
When fluorescent tube normal work, i.e., when fluorescent tube detection signal is more than the first reference voltage, a kind of bright color of indicating module
Light, when lamp current is smaller, i.e., fluorescent tube detection signal be less than the first reference voltage when, the bright another color of indicating module
Light.
Using above-mentioned technical proposal, the operating current signal of fluorescent tube is converted into voltage signal by fluorescent tube detection module, i.e., defeated
Go out fluorescent tube detection signal, control module carries out the rate of exchange with the first reference voltage signal after receiving fluorescent tube detection signal, works as fluorescent tube
During normal work, i.e., when fluorescent tube detection signal is more than the first reference voltage, indicating module is in response to control signal bright one now
The light of kind of color, when lamp current is smaller, i.e., when fluorescent tube detection signal is less than the first reference voltage, indicating module in response to
The light of the bright another color of control signal now；By the way that fluorescent tube detection signal is compared to sentence with the first reference voltage
Disconnected fluorescent tube whether normal work, and shown, be obtained so that people can directly be observed by the light of instruction by light
The working condition of lamp, being then adjusted correspondingly makes fluorescent tube keep normal work, it is to avoid fluorescent tube works long hours in electric current
Service life is influenceed under less state.
It is preferred that, in addition to warned module with the overload warned for judging whether fluorescent tube overloads, the overload is shown
Alert module has the second reference voltage signal, and the overload warns module couples in fluorescent tube detection module to receive fluorescent tube detection letter
Number and compare the size of fluorescent tube detection signal and the second reference voltage signal, when fluorescent tube detection signal is more than the second reference voltage
Module of warning is overloaded to be warned.
Using above-mentioned technical proposal, overload warns module couples in fluorescent tube detection module to receive fluorescent tube detection signal, and
Fluorescent tube detection signal is compared with the second reference voltage signal, when fluorescent tube detection signal is more than the second reference voltage, overload is shown
Alert module is warned；Pointing out user's fluorescent tube to be now operated in overload by warning needs to adjust at once, user
It is adjusted correspondingly, is burnt so as to avoid fluorescent tube and work long hours under overload after being notified.
It is preferred that, the module of warning of overloading includes
Comparing unit, with the second reference voltage signal corresponding with overload current, is coupled to fluorescent tube detection module to connect
Fluorescent tube detection signal is received, and compares the size of fluorescent tube detection signal and the second reference voltage signal to export comparison signal；
Switch element, is coupled to comparing unit to receive comparison signal, and in response to comparison signal to be opened and closed；
Warn unit, be coupled to switch element and be controlled by switch element；
When fluorescent tube detection signal is more than the second reference voltage signal, unit of warning is warned by sounding.
Using above-mentioned technical proposal, comparing unit is coupled to fluorescent tube detection module to receive fluorescent tube detection signal and compare lamp
Pipe detects the size of signal and the second reference voltage signal, when fluorescent tube detection signal is more than the second reference voltage signal, switch
Unit closure is warned so as to the unit that controls to warn.
It is preferred that, the control module is transistor switching circuit.
Using above-mentioned technical proposal, transistor switching circuit does not have a worry of abrasion without movable contact part,
The unlimited mechanical switch that repeatedly, the responsiveness of transistor switching circuit is more general can be used fast, the keying typically switched
Time is calculated with millisecond, and transistor switching circuit is then with microsecond meter, and transistor switching circuit is not quivered phenomenon, profit
Driven with transistor switching circuit during inductive load, the moment opened in switch, do not have spark generation.
It is preferred that, the comparing unit is comparator circuit.
Using above-mentioned technical proposal, the comparator input signal of comparator circuit can be adjusted accordingly as needed,
And comparator circuit working stability, accuracy of judgement, the output signal of low and high level is exported, is easily distinguished.
It is preferred that, the fluorescent tube detection module includes diode D1, electric capacity C1, resistance R1 and resistance R2, diode D1
Anode be series at fluorescent tube in the loop with receive after the electric current of fluorescent tube, diode D1 other end series capacitance C1 be grounded,
The diode D1 other end is connected to after resistance R1 one end, resistance R1 other end series resistance R2 and is grounded simultaneously, resistance R1
One end output fluorescent tube detection signal being connected with resistance R2；
The control module includes triode VT1, and triode VT1 base stage is connected to resistance R1 to receive fluorescent tube detection letter
Number, triode VT1 colelctor electrode is connected to power supply, triode VT1 grounded emitter and output control signal；
The indicating module includes LED 1 and LED 2, the anode of LED 1
Triode VT1 colelctor electrode is connected to, the negative electrode of LED 1 is connected to triode VT1 emitter stage, light-emitting diodes
Pipe LED2 anode is connected to the minus earth of diode D1 negative electrode and light emitting diode.
Using above-mentioned technical proposal, by accessing electric capacity C1, make in the moment of power on/off, electric capacity C1 charge or discharges
LED 1, LED 2 can be carried out slowly when lighting and extinguishing, it is to avoid moment opens or pass
The damage for causing device is closed, and the alternating of two kinds of light can more highlight the change of light during slowly closing, it is more eye-catching, it is connected to two
Pole pipe D1, avoids reverse current from flowing to input when electric capacity C1 discharges, in addition, after the series connection by resistance R1 and resistance R2
Ground connection, because partial pressure relation provides voltage signal, so that by the conversion of lamp works current signal for voltage signal, i.e. resistance
One end output fluorescent tube detection signal that R1 is connected with resistance R2.
It is preferred that, the comparing unit includes operational amplifier U1, slide rheostat RW and resistance R3, operational amplifier
U1 in-phase input end is connected to resistance R1 one end to receive fluorescent tube detection signal, and operational amplifier U1 reverse input end connects
It is connected to after a slide rheostat RW fixing end and series resistance R3 and is grounded, slide rheostat RW another fixing end and slip
End is connected to power supply, operational amplifier U1 output end output comparison signal simultaneously；
The switch element includes triode VT2, resistance R4, relay KM1 open in usual and diode D2, triode
VT2 base stage is connected to operational amplifier U1 output end to receive comparison signal, triode VT2 collector series resistance R4
After be connected to power supply, triode VT2 emitter stage is connected and is grounded after relay KM1 open in usual, and triode VT2 emitter stage is simultaneously
It is connected to diode D2 negative electrode, diode D2 plus earth；
The unit of warning is connected to electricity after including buzzer SP and resistance R5, buzzer SP one end series resistance R5
Source, buzzer SP other end ground connection.
Using above-mentioned technical proposal, connect partial pressure to provide operational amplifier U1's with resistance R3 using slide rheostat RW
Rp input signal, that is, provide the second reference voltage signal, so slide rheostat can be adjusted as needed to set second
Reference voltage, in addition, driving buzzer SP by relay open in usual, supports the use using high-power buzzer.
The purpose of this utility model be provide one kind can detect lamp current judge fluorescent tube whether normal work simultaneously
The UV lamp shown.
A kind of UV lamp, including above-described electric ballast.
Using above-mentioned technical proposal, by the way that fluorescent tube detection signal is compared to judge that fluorescent tube is with the first reference voltage
No normal work, and shown by light, so that people can directly observe the work for obtaining lamp by the light of instruction
State, being then adjusted correspondingly makes fluorescent tube keep normal work, it is to avoid fluorescent tube works long hours in the less shape of electric current
Service life is influenceed under state.
In summary, the utility model has the advantages that：
1. people can directly observe the working condition for obtaining lamp by the light of instruction, being then adjusted correspondingly makes
Fluorescent tube keeps normal work, it is to avoid fluorescent tube works long hours and under the less state of electric current influences service life；
2. pointing out user's fluorescent tube to be now operated in overload by warning needs to adjust at once, user is led to
It is adjusted correspondingly, is burnt so as to avoid fluorescent tube and work long hours under overload after knowing.
Brief description of the drawings
Fig. 1 is circuit theory diagrams of the present utility model.
In figure：1st, fluorescent tube detection module；2nd, control module；3rd, indicating module；4th, module of warning is overloaded；41st, comparing unit；
42nd, switch element；43rd, warn unit.
Embodiment
Below in conjunction with the accompanying drawings and embodiment, the utility model is described in detail.
A kind of UV lamp, reference picture 1, including electric ballast, wherein, electric ballast includes believing the operating current of fluorescent tube
Number it is converted into voltage signal and exports the fluorescent tube detection module 1 that fluorescent tube detects signal；Fluorescent tube detection module 1 include diode D1,
Electric capacity C1, resistance R1 and resistance R2, diode D1 anode be series at fluorescent tube in the loop to receive the electric current of fluorescent tube, two
It is grounded after pole pipe D1 other end series capacitance C1, while the diode D1 other end is connected to resistance R1 one end, resistance R1
Other end series resistance R2 after be grounded, one end that resistance R1 is connected with resistance R2 exports fluorescent tube and detects signal.
Reference picture 1, electric ballast also includes having the first reference voltage signal corresponding with fluorescent tube normal operating conditions
Control module 2, control module 2 be coupled to fluorescent tube detection module 1 with receive fluorescent tube detection signal and compare fluorescent tube detection signal
Size with the first reference voltage signal is with output control signal；Control module 2 includes triode VT1, triode VT1 base stage
Resistance R1 is connected to receive fluorescent tube detection signal, triode VT1 colelctor electrode is connected to power supply, triode VT1 emitter stage
Ground connection and output control signal.
Reference picture 1, electric ballast also includes being coupled to control module 2 to receive the indicating module 3 of control signal, indicates
Module 3 works in response to control signal；The indicating module 3 includes LED 1 and LED 2, hair
Optical diode LED1 anode is connected to triode VT1 colelctor electrode, and the negative electrode of LED 1 is connected to triode VT1
Emitter stage, the anode of LED 2 is connected to the minus earth of diode D1 negative electrode and light emitting diode.
Reference picture 1, electric ballast also includes being used for judging that overload that whether fluorescent tube overloads to be warned is warned module
4, wherein, overload warns module 4 including having the comparing unit 41 of the second reference voltage signal corresponding with overload current, compares
Unit 41 is coupled to fluorescent tube detection module 1 to receive fluorescent tube detection signal and compare fluorescent tube detection signal and the second reference voltage letter
Number size to export comparison signal；The comparing unit 41 includes operational amplifier U1, slide rheostat RW and resistance R3,
Operational amplifier U1 in-phase input end is connected to resistance R1 one end to receive fluorescent tube detection signal, and operational amplifier U1's is anti-
It is connected to after a slide rheostat RW fixing end and series resistance R3 and is grounded to input, slide rheostat RW another fixation
End and sliding end are connected to power supply, operational amplifier U1 output end output comparison signal simultaneously.
Reference picture 1, overload warns module 4 also including being coupled to comparing unit 41 to receive the switch element of comparison signal
42, switch element 42 is in response to comparison signal to be opened and closed；The switch element 42 include triode VT2, resistance R4, it is open in usual after
Electrical equipment KM1 and diode D2, triode VT2 base stage are connected to operational amplifier U1 output end to receive comparison signal,
Power supply, triode VT2 emitter stage series connection relay KM1 open in usual are connected to after triode VT2 collector series resistance R4
After be grounded, triode VT2 emitter stage is connected to diode D2 negative electrode, diode D2 plus earth simultaneously.
Reference picture 1, overload module 4 of warning also includes warning unit 43, unit 43 of warning be coupled to switch element 42 and by
Control in switch element 42；The unit 43 of warning includes buzzer SP and resistance R6, buzzer SP one end series resistance R5
After be connected to power supply, buzzer SP other end ground connection.
Operation principle and the course of work of the present utility model：
Diode D1 anode inputs the operating current of fluorescent tube, and the operating current of fluorescent tube is flowed through after diode D1 through resistance R1
Earth polar is flowed to resistance R2, due to partial pressure relation, one end output fluorescent tube detection signal that resistance R1 is connected with resistance R2, so that will
Operating current signal is converted for voltage signal, and triode VT1 has quiescent point, and quiescent point voltage is the first base
Quasi- voltage signal, when operating current can not as low as make LED 2 carry out luminous, while fluorescent tube detects the electricity of signal
Quiescent point voltage of the pressure less than triode VT1, triode VT1 now is not turned on, the normal work of LED 1
Send feux rouges, indicating that now operating current is smaller should not be for a long time using that should be adjusted, when fluorescent tube detects that the voltage of signal is big
When triode VT1 quiescent point voltage, triode VT2 conductings, LED 1 is short-circuited stopping and lighted, this
Outside, operating current now can make LED 1 work, and LED1 sends green glow and indicates that now lamp works state is just
Often.
In addition, in overload warns module 4, when fluorescent tube detects that the voltage of signal is more than the second reference voltage, computing is put
Big device U1 exports the comparison signal of high level, so that triode VT2 is turned on, after triode VT2 conductings, relay open in usual
KM1 works, and buzzer SP is worked so as to switch KM1-1 closures, now UV lamp is operated in overload by sound prompting user
State is burnt so as to avoid UV lamp and work long hours in overload, it is necessary to adjust working condition as early as possible.
Described above is only preferred embodiment of the present utility model, and protection domain of the present utility model is not limited merely to
Above-described embodiment, all technical schemes belonged under the utility model thinking belong to protection domain of the present utility model.It should refer to
Go out, for those skilled in the art, some improvement under the premise of the utility model principle is not departed from and
Retouching, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (8)
1. a kind of electric ballast, it is characterized in that：Including
Fluorescent tube detection module (1), is converted into voltage signal, and export fluorescent tube detection signal by the operating current signal of fluorescent tube；
Control module (2), with the first reference voltage signal corresponding with fluorescent tube normal operating conditions, is coupled to fluorescent tube detection mould
Block (1) detects that the size of signal and the first reference voltage signal is believed with output control to receive fluorescent tube detection signal and compare fluorescent tube
Number；
Indicating module (3), is coupled to control module (2) to receive control signal, and work in response to control signal；
When fluorescent tube normal work, i.e., when fluorescent tube detection signal is more than the first reference voltage, a kind of bright color of indicating module (3)
Light, when lamp current is smaller, i.e., when fluorescent tube detection signal is less than the first reference voltage, the bright another face of indicating module (3)
The light of color.
2. electric ballast according to claim 1, it is characterized in that：Also include being used to judge whether fluorescent tube overloads to carry out
The overload warned is warned module (4), and the overload warns module (4) with the second reference voltage signal, and the overload is warned mould
Block (4) is coupled to fluorescent tube detection module (1) to receive fluorescent tube detection signal and compare fluorescent tube detection signal and the second reference voltage
The size of signal is to be warned, and when fluorescent tube detection signal is more than the second reference voltage, overload module (4) of warning is warned.
3. electric ballast according to claim 2, it is characterized in that：The module (4) of warning of overloading includes
Comparing unit (41), with the second reference voltage signal corresponding with overload current, be coupled to fluorescent tube detection module (1) with
Fluorescent tube detection signal is received, and compares the size of fluorescent tube detection signal and the second reference voltage signal to export comparison signal；
Switch element (42), is coupled to comparing unit (41) to receive comparison signal, and in response to comparison signal to be opened and closed；
Warn unit (43), be coupled to switch element (42) and be controlled by switch element (42)；
When fluorescent tube detection signal is more than the second reference voltage signal, unit of warning (43) is warned by sounding.
4. electric ballast according to claim 1, it is characterized in that：The control module (2) is transistor switching circuit.
5. electric ballast according to claim 3, it is characterized in that：The comparing unit (41) is comparator circuit.
6. electric ballast according to claim 1, it is characterized in that：The fluorescent tube detection module (1) include diode D1,
Electric capacity C1, resistance R1 and resistance R2, diode D1 anode be series at fluorescent tube in the loop to receive the electric current of fluorescent tube, two
It is grounded after pole pipe D1 other end series capacitance C1, while the diode D1 other end is connected to resistance R1 one end, resistance R1
Other end series resistance R2 after be grounded, one end that resistance R1 is connected with resistance R2 exports fluorescent tube and detects signal；
The control module (2) includes triode VT1, and triode VT1 base stage is connected to resistance R1 to receive fluorescent tube detection letter
Number, triode VT1 colelctor electrode is connected to power supply, triode VT1 grounded emitter and output control signal；
The indicating module (3) includes LED 1 and LED 2, the anode of LED 1
Triode VT1 colelctor electrode is connected to, the negative electrode of LED 1 is connected to triode VT1 emitter stage, light-emitting diodes
Pipe LED2 anode is connected to the minus earth of diode D1 negative electrode and light emitting diode.
7. electric ballast according to claim 3, it is characterized in that：The comparing unit (41) includes operational amplifier
U1, slide rheostat RW and resistance R3, operational amplifier U1 in-phase input end are connected to resistance R1 one end to receive lamp
Pipe detects signal, and operational amplifier U1 reverse input end is connected to after a slide rheostat RW fixing end and series resistance R3
Ground connection, slide rheostat RW another fixing end and sliding end are connected to power supply simultaneously, and operational amplifier U1 output end is defeated
Go out comparison signal；
The switch element (42) includes triode VT2, resistance R4, relay KM1 open in usual and diode D2, triode
VT2 base stage is connected to operational amplifier U1 output end to receive comparison signal, triode VT2 collector series resistance R4
After be connected to power supply, triode VT2 emitter stage is connected and is grounded after relay KM1 open in usual, and triode VT2 emitter stage is simultaneously
It is connected to diode D2 negative electrode, diode D2 plus earth；
The unit of warning (43) is connected to electricity after including buzzer SP and resistance R5, buzzer SP one end series resistance R5
Source, buzzer SP other end ground connection.
8. a kind of UV lamp, it is characterized in that：Including the electric ballast described in claim 1 to 7 any one.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620645348 | 2016-06-24 | ||
| CN2016206453480 | 2016-06-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206602702U true CN206602702U (en) | 2017-10-31 |
Family
ID=60147778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720147996.8U Active CN206602702U (en) | 2016-06-24 | 2017-02-18 | Electric ballast and UV lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206602702U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111367334A (en) * | 2018-12-26 | 2020-07-03 | 北京奇虎科技有限公司 | Ground detection emission control circuit and sweeping robot |
| CN112710968A (en) * | 2020-11-19 | 2021-04-27 | 中广核核电运营有限公司 | Secondary circuit rapid detection on-off device |
-
2017
- 2017-02-18 CN CN201720147996.8U patent/CN206602702U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111367334A (en) * | 2018-12-26 | 2020-07-03 | 北京奇虎科技有限公司 | Ground detection emission control circuit and sweeping robot |
| CN112710968A (en) * | 2020-11-19 | 2021-04-27 | 中广核核电运营有限公司 | Secondary circuit rapid detection on-off device |
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