CN106300234A - A kind of ozone UV Burdick lamp control system thyristor type current foldback circuit - Google Patents
A kind of ozone UV Burdick lamp control system thyristor type current foldback circuit Download PDFInfo
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- CN106300234A CN106300234A CN201610839624.1A CN201610839624A CN106300234A CN 106300234 A CN106300234 A CN 106300234A CN 201610839624 A CN201610839624 A CN 201610839624A CN 106300234 A CN106300234 A CN 106300234A
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- China
- Prior art keywords
- audion
- pole
- resistance
- polar capacitor
- ozone
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
Landscapes
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
The invention discloses a kind of ozone UV Burdick lamp control system thyristor type current foldback circuit; main by diode rectifier U; unidirectional thyristor VS; audion VT1; audion VT2; audion VT3, polar capacitor C4, and the polar capacitor C3 that end is connected, negative pole is connected with the negative pole of polar capacitor C1 that controls of positive pole and unidirectional thyristor VS forms.The present invention can carry out quick power-off protection when input current is too high; and high electric current can be adjusted by the present invention; the ozone UV Burdick lamp making Burdick lamp air deodorization depurator will not be damaged by high electric current; thus improve the overcurrent protection effect of the present invention, the protected effect to ozone UV Burdick lamp can be effectively improved.
Description
Technical field
The present invention relates to a kind of protection circuit, specifically, be that a kind of ozone UV Burdick lamp control system is brilliant
Brake tube formula current foldback circuit.
Background technology
Along with the constantly progress of industrial automation and improving constantly of people's quality of life, its living environment is wanted by people
Asking and also improve constantly, and air quality is an important mark of environment quality, it directly influences the healthy living of people.
Air purifier at home, medical treatment, industrial circle all have application, field is with the domestic air purification of unit class at home
Device is the main product in market.Air purifier can remove the particulate matter in air, including anaphylactogen, indoor PM2.5 etc., same
Time can also solve the indoor owing to finishing or other reasons cause, the underground space, volatile organic matter air pollution in car
Problem.Owing to the release of the space Air Contamination thing of relative closure has persistency and probabilistic feature, therefore use sky
It is one of internationally recognized method improving IAQ (indoor air quality) that gas purifier purifies the air of a room.Wherein, Burdick lamp air
Deodorization purifier is then a kind of in numerous air deodorization depurator, and Burdick lamp air deodorization depurator is to utilize high energy ozone UV
Oxygen molecule generation free oxygen, i.e. active oxygen in light beam decomposition air produced by Burdick lamp, and ozone UV Burdick lamp pair
The required precision of electric current is higher, the too high or too low ozone UV Burdick lamp that all can damage of operating current, and therefore Burdick lamp is empty
The control system of gas deodorization purifier is just provided with current foldback circuit, is used for preventing ozone UV Burdick lamp because of operating current
Unstable and damaged.
But, the overcurrent protection effect of the current foldback circuit of existing Burdick lamp air deodorization depurator control system
Difference, causes the ozone UV Burdick lamp of Burdick lamp air deodorization depurator often by high circuit damage, and serious shortens ozone
The service life of UV Burdick lamp.
Therefore it provides the control system of a kind of Burdick lamp air deodorization depurator that can improve overcurrent protection effect was used
Stream protection circuit becomes for the task of top priority.
Summary of the invention
It is an object of the invention to overcome the overcurrent protection electricity of existing Burdick lamp air deodorization depurator control system
The defect of the overcurrent protection weak effect on road, it is provided that a kind of ozone UV Burdick lamp control system thyristor type overcurrent protection electricity
Road.
The present invention is achieved through the following technical solutions: a kind of ozone UV Burdick lamp control system thyristor type crosses stream
Protection circuit, mainly by diode rectifier U, unidirectional thyristor VS, audion VT1, audion VT2, audion VT3, P pole with
The luminescence that the negative electrode of unidirectional thyristor VS is connected, N pole cathode output end with diode rectifier U after resistance R1 is connected
Diode VL, the polarity electricity that positive pole is connected with the negative electrode of unidirectional thyristor VS, negative pole is connected with the N pole of light emitting diode VL
Hold C1, positive pole polarity that base stage is connected, negative pole is connected with audion VT1 after resistance R2 with the base stage of audion VT2
Electric capacity C2, the adjustable electric that one end is connected with the emitter stage of audion VT1, the other end is connected with the emitter stage of audion VT2
Resistance R3, positive pole adjustable side with adjustable resistance R3 after resistance R4 is connected, negative pole after resistance R7 with the transmitting of audion VT3
The polar capacitor C4 that pole is connected, one end is connected with the emitter stage of audion VT1, the negative pole phase of the other end and polar capacitor C4
The diode that inductance L, N pole is connected with the emitter stage of audion VT3, P pole is connected with the colelctor electrode of audion VT3 connected
Two poles that D2, P pole is connected with the colelctor electrode of audion VT2, N pole colelctor electrode with audion VT3 after resistance R5 is connected
Pipe D1, the resistance R6 that one end is connected with the N pole of diode D1, the other end is connected with the base stage of audion VT3, and positive pole
Form with the polar capacitor C3 that end is connected, negative pole is connected with the negative pole of polar capacitor C1 that controls of unidirectional thyristor VS；Institute
The cathode output end of the colelctor electrode and diode rectifier U of stating audion VT1 is connected；The anode of described unidirectional thyristor VS is also
Be connected with the positive pole of polar capacitor C2, it controls end and is also connected with the N pole of diode D1；The negative pole of described polar capacitor C3
The also colelctor electrode with audion VT3 is connected；The negative pole of described polar capacitor C4 and the colelctor electrode of audion VT3 are collectively forming crystalline substance
The outfan of brake tube formula current foldback circuit；Two inputs of described diode rectifier U are as thyristor type overcurrent protection
The input of circuit.
For guaranteeing the practical effect of the present invention, described unidirectional thyristor VS is KP1A unidirectional thyristor；Described two poles
Pipe commutator U is made up of 4 1N4007 diodes；Described light emitting diode VL is BT201 light emitting diode.
The present invention compared with prior art, has the following advantages and beneficial effect:
The present invention can carry out quick power-off protection when input current is too high, and high electric current can be adjusted by the present invention
Whole, make the ozone UV Burdick lamp of Burdick lamp air deodorization depurator will not be damaged by high electric current, thus improve this
The overcurrent protection effect of invention, can be effectively improved the protected effect to ozone UV Burdick lamp, effectively extends ozone UV purple
The service life of outside line lamp.
Accompanying drawing explanation
Fig. 1 is the integrated circuit structural representation of the present invention.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing thereof, the present invention is described in further detail, but embodiments of the present invention are not
It is limited to this.
As it is shown in figure 1, the present invention is mainly by diode rectifier U, unidirectional thyristor VS, audion VT1, audion VT2,
Audion VT3, resistance R1, resistance R2, adjustable resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, electric capacity C1, electric capacity C2,
Electric capacity C3, electric capacity C4, light emitting diode VL, diode D1, diode D2, and inductance L form.
For guaranteeing the practical effect of the present invention, described unidirectional thyristor VS is KP1A unidirectional thyristor；Described two poles
Pipe commutator U is made up of 4 1N4007 diodes；Described light emitting diode VL is BT201 light emitting diode；The resistance of resistance R1
Being 1 Ω, the resistance of resistance R2 is 8 Ω, and the Standard resistance range of adjustable resistance R3 is 1～4k Ω, and the resistance of resistance R4 and resistance R6 is equal
Being 100 Ω, the resistance of resistance R5 is 150 Ω, and the resistance of resistance R7 is 39 Ω；Polar capacitor C1 and the capacitance of polar capacitor C3
Being the electric capacity of 100 μ F/10V, the capacitance of polar capacitor C2 is 1 μ F/50V electric capacity, and the capacitance of polar capacitor C4 is 220 μ F/32V
Electric capacity；Diode D1 is 1N4001 diode, and diode D2 is 2CP12 switching diode.
During connection, the P pole of light emitting diode VL is connected with the negative electrode of unidirectional thyristor VS, N pole after resistance R1 with two
The cathode output end of pole pipe commutator U is connected.The positive pole of polar capacitor C1 is connected with the negative electrode of unidirectional thyristor VS, negative pole
It is connected with the N pole of light emitting diode VL.The positive pole of polar capacitor C2 base stage with audion VT1 after resistance R2 is connected,
Negative pole is connected with the base stage of audion VT2.One end of adjustable resistance R3 is connected with the emitter stage of audion VT1, the other end
It is connected with the emitter stage of audion VT2.
Wherein, the positive pole of polar capacitor C4 adjustable side with adjustable resistance R3 after resistance R4 is connected, and negative pole is through resistance
After R7, the emitter stage with audion VT3 is connected.One end of inductance L is connected with the emitter stage of audion VT1, the other end and pole
The negative pole of property electric capacity C4 is connected.The N pole of diode D2 is connected with the emitter stage of audion VT3, and P pole is with audion VT3's
Colelctor electrode is connected.
Meanwhile, the P pole of diode D1 is connected with the colelctor electrode of audion VT2, N pole after resistance R5 with audion VT3
Colelctor electrode be connected.One end of resistance R6 is connected with the N pole of diode D1, and the other end is connected with the base stage of audion VT3
Connect.The positive pole of polar capacitor C3 is connected with the control end of unidirectional thyristor VS, and negative pole is connected with the negative pole of polar capacitor C1.
The colelctor electrode of described audion VT1 is connected with the cathode output end of diode rectifier U；Described unidirectional thyristor
The anode of VS also positive pole with polar capacitor C2 is connected, and it controls end and is also connected with the N pole of diode D1；Described polarity electricity
The negative pole also colelctor electrode with audion VT3 holding C3 is connected；The negative pole of described polar capacitor C4 and the colelctor electrode of audion VT3
Be collectively forming thyristor type current foldback circuit outfan and with the control of Burdick lamp air deodorization depurator control system
Circuit is connected；Two inputs of described diode rectifier U as thyristor type current foldback circuit input and with
Civil power is connected.
During work, when input current is normal, unidirectional thyristor VS is in cut-off state, audion VT1 and audion VT2 and leads
Logical, inductance L is stable for the control circuit offer of Burdick lamp air deodorization depurator control system after electric current carries out current limliting
Electric current.When inputting stream, unidirectional thyristor VS turns on, and audion VT1 ends immediately, and audion VT2 turns on, and makes high electric current straight
Connecting the protector transmission that resistance R2 and unidirectional thyristor VS is formed, now, light emitting diode VL obtains electric being lit, and indicates defeated
Enter overcurrent；Meanwhile, audion VT3, polar capacitor C4, adjustable resistance R3, resistance R4 and diode D2 shape can be passed through by high electric current
The current regulating circuit become is transmitted, and this current regulating circuit changes the big of electric current by the resistance of regulation adjustable resistance R3
Little, export stable electric current after being filtered by polar capacitor C4, make Burdick lamp air deodorization depurator control system
Control circuit can obtain stabling current, it is ensured that ozone UV Burdick lamp can normally work.
The present invention can carry out quick power-off protection when input current is too high, and high electric current can be adjusted by the present invention
Whole, make the ozone UV Burdick lamp of Burdick lamp air deodorization depurator will not be damaged by high electric current, thus improve this
The overcurrent protection effect of invention, can be effectively improved the protected effect to ozone UV Burdick lamp, effectively extends ozone UV purple
The service life of outside line lamp.
According to above-described embodiment, can well realize the present invention.
Claims (4)
1. an ozone UV Burdick lamp control system thyristor type current foldback circuit, it is characterised in that main by two poles
The negative electrode of pipe commutator U, unidirectional thyristor VS, audion VT1, audion VT2, audion VT3, P pole and unidirectional thyristor VS
Be connected, light emitting diode VL that N pole cathode output end with diode rectifier U after resistance R1 is connected, positive pole and list
The polar capacitor C1 that negative electrode to IGCT VS is connected, negative pole is connected with the N pole of light emitting diode VL, positive pole is through resistance R2
The polar capacitor C2 that base stage with audion VT1 is connected afterwards, negative pole is connected with the base stage of audion VT2, one end and three poles
The adjustable resistance R3 that the emitter stage of pipe VT1 is connected, the other end is connected with the emitter stage of audion VT2, positive pole is through resistance R4
The polarity electricity that adjustable side with adjustable resistance R3 is connected afterwards, negative pole emitter stage with audion VT3 after resistance R7 is connected
Hold C4, inductance L, the N pole that one end is connected, the other end is connected with the negative pole of polar capacitor C4 with the emitter stage of audion VT1
Be connected with the emitter stage of audion VT3, diode D2, P pole that P pole is connected with the colelctor electrode of audion VT3 and audion
The diode D1 that the colelctor electrode of VT2 is connected, N pole colelctor electrode with audion VT3 after resistance R5 is connected, one end and two poles
The resistance R6 that the N pole of pipe D1 is connected, the other end is connected with the base stage of audion VT3, and positive pole and unidirectional thyristor VS
End is connected, negative pole is connected with the negative pole of polar capacitor C1 the polar capacitor C3 of controlling form；The collection of described audion VT1
Electrode is connected with the cathode output end of diode rectifier U；The anode of described unidirectional thyristor VS is also with polar capacitor C2's
Positive pole is connected, it controls end and is also connected with the N pole of diode D1；The negative pole of described polar capacitor C3 also with audion VT3
Colelctor electrode be connected；The negative pole of described polar capacitor C4 and the colelctor electrode of audion VT3 are collectively forming thyristor type and cross stream guarantor
The outfan of protection circuit；Two inputs of described diode rectifier U are as the input of thyristor type current foldback circuit.
A kind of ozone UV Burdick lamp control system thyristor type current foldback circuit the most according to claim 1, its
Being characterised by, described unidirectional thyristor VS is KP1A unidirectional thyristor.
A kind of ozone UV Burdick lamp control system thyristor type current foldback circuit the most according to claim 2, its
Being characterised by, described diode rectifier U is made up of 4 1N4007 diodes.
A kind of ozone UV Burdick lamp control system thyristor type current foldback circuit the most according to claim 3, its
Being characterised by, described light emitting diode VL is BT201 light emitting diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610839624.1A CN106300234A (en) | 2016-09-21 | 2016-09-21 | A kind of ozone UV Burdick lamp control system thyristor type current foldback circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610839624.1A CN106300234A (en) | 2016-09-21 | 2016-09-21 | A kind of ozone UV Burdick lamp control system thyristor type current foldback circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106300234A true CN106300234A (en) | 2017-01-04 |
Family
ID=57712697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610839624.1A Pending CN106300234A (en) | 2016-09-21 | 2016-09-21 | A kind of ozone UV Burdick lamp control system thyristor type current foldback circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106300234A (en) |
-
2016
- 2016-09-21 CN CN201610839624.1A patent/CN106300234A/en active Pending
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Application publication date: 20170104 |