CN206180831U - Ultraviolet lamp air deodorization is thyristor stationary flow formula control circuit for clarifier - Google Patents

Abstract

The utility model discloses an ultraviolet lamp air deodorization is thyristor stationary flow formula control circuit for clarifier, mainly by control chip U, unidirectional thyristor VS, switch S1, switch S2, triode VT1, triode VT2, triode VT3, triode VT4, triode VT5, triode VT6, resistance R1 to and one end and triode VT6's projecting pole is connected, the constitutions such as resistance R14 of other end ground connection. The utility model discloses can change pulse width and control output voltage effectual enough the suppression or elimination "lower -order harmonic among the input voltage, make output voltage more stable, and the utility model discloses can also adjust the duty cycle of voltage to can be when the short circuit take place for output, can restrain or eliminate high electric current in the twinkling of an eye, thereby improve the utility model discloses an output voltage's stability has effectively improved the utility model discloses dammed and the effect of current -limiting protection.

Description

A kind of Burdick lamp air deodorization depurator IGCT stable flow type control circuit

Technical field

The utility model relates to field of environment protection, is that a kind of Burdick lamp air deodorization depurator is brilliant specifically Brake tube stable flow type control circuit.

Background technology

With the continuous improvement of continuous progressive and people's quality of life of industrial automation, people want to its living environment Ask and also improve constantly, and air quality is an important mark of environment quality, it directly influences the healthy living of people.

Air purifier has application in house, medical treatment, industrial circle, and house field is with the domestic air purification of unit class Device is the main product in market.Air purifier can remove the particulate matter in air, including anaphylactogen, indoor PM2.5 etc., together When can also solve due to interior caused by finishing or other reasonses, the underground space, in-car volatile organic matter air pollution Problem.The characteristics of having persistency and uncertainty due to the release of the space Air Contamination thing of relative closure, therefore using empty It is internationally recognized to improve one of method of 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 depurators, and Burdick lamp air deodorization depurator is using high energy ozone UV The oxygen molecule that ultraviolet beam decomposes in air produces free oxygen, i.e. active oxygen, and the air deodorization depurator utilizes exhaust equipment Gas is input to after this cleaning equipment, cleaning equipment easily eliminates thin in room air with high energy UV ultraviolet beams The harmful substances such as bacterium, mycete, remove the abnormal flavour in air, effectively ensure that the respiratory health of people.

However, the output voltage stability of the control circuit of existing Burdick lamp air deodorization depurator is poor, cause purple There is flicker in the ultraviolet beam of the Burdick lamp of outside line lamp air deodorization depurator, causes air purifier effectively right Oxygen molecule in air is decomposed, the effect on driving birds is not good for the free oxygen of generation occur, it is impossible to eliminated well in room air The harmful substances such as antibacterial, mycete, and the abnormal flavour in air can not be well removed, so as to cannot effectively ensure that people's Respiratory health；And damming for the control circuit of existing Burdick lamp air deodorization depurator is poor with current-limiting protection function, The blower fan and Burdick lamp for causing Burdick lamp air deodorization depurator is often damaged by high current, and serious have impact on outside line lamp sky The service life of gas deodorization purifier.

Therefore it provides one kind can improve output voltage stability, and can improve and dam and current-limiting protection functional effect The control circuit of Burdick lamp air deodorization depurator is become for the task of top priority.

Utility model content

The purpose of this utility model is the output of the control circuit for overcoming existing Burdick lamp air deodorization depurator Voltage stability is poor, and the defect poor with current-limiting protection function of damming, there is provided a kind of Burdick lamp air deodorization purification Device IGCT stable flow type control circuit.

This utility model is achieved through the following technical solutions：A kind of Burdick lamp air deodorization depurator is steady with IGCT Streaming control circuit, mainly by control chip U, unidirectional thyristor VS switchs S1, switchs S2, audion VT2, audion VT3, Audion VT4, audion VT5, audion VT6, P poles are connected with the emitter stage of audion VT1, N poles Jing after resistance R5 with control The Zener diode D2 that the VSS pins of coremaking piece U are connected, one end is connected with the base stage of audion VT1, the other end and control The adjustable resistance R4 that the VDD pins of chip U are connected, positive pole is connected with the VDD pins of control chip U, negative pole with control core The electric capacity C2 that the VSS pins of piece U are grounded after being connected, one end is connected with the negative electrode of unidirectional thyristor VS, the other end and electric capacity The resistance R3 that the positive pole of C2 is connected, negative pole is connected with the adjustable side of unidirectional thyristor VS, positive pole Jing after resistance R2 with three poles The electric capacity C1 that the colelctor electrode of pipe VT1 is connected, P poles are connected with the positive pole of electric capacity C1, the anode phase of N poles and unidirectional thyristor VS The diode D1 of connection, one end is connected with the P poles of diode D1, the N poles of the other end and Zener diode D2 be collectively forming it is defeated Enter the resistance R1 at end, positive pole is connected with the positive pole of electric capacity C2, the electric capacity C3 that negative pole is connected with the ADJ pins of control chip U, Positive pole is connected Jing after resistance R7 with the base stage of audion VT3, the electric capacity C4 that negative pole is connected with the VDD pins of control chip U, P poles are connected with the positive pole of electric capacity C4, the diode D4 that N poles are connected Jing after diode D5 with the VDD pins of control chip U, P The diode D3 that pole is connected with the colelctor electrode of audion VT2, N poles are connected with the positive pole of electric capacity C4, one end and audion VT2 Colelctor electrode be connected, the adjustable resistance R6 that the other end is connected with the colelctor electrode of audion VT3, positive pole and audion VT3's Emitter stage is connected, the electric capacity C5 that negative pole is connected Jing after resistance R8 with the OUTPUT pins of control chip U, positive pole and audion The colelctor electrode of VT5 is connected, the emitter stage of negative pole and audion VT4 is collectively forming the electric capacity C6 of the first outfan, P poles and electric capacity The colelctor electrode of the diode D7 that the positive pole of C6 is connected, N poles are connected with the emitter stage of audion VT4, P poles and audion VT4 Be connected, N poles as the second outfan Zener diode D6, positive pole is connected Jing after resistance R9 with the base stage of audion VT4, The OUTPUT pins of the electric capacity C7 that negative pole is connected Jing after resistance R11 with the colelctor electrode of audion VT6, positive pole and control chip U Be connected, the electric capacity C8 that negative pole is connected Jing after resistance R10 with the base stage of audion VT5, the emitter stage of positive pole and audion VT5 Be connected, the electric capacity C9 of minus earth, P poles are connected Jing after resistance R12 with the LAMP pins of control chip U, N poles Jing resistance The diode D8 being connected with the base stage of audion VT6 after R13, and one end be connected with the emitter stage of audion VT6, it is another The resistance R14 compositions of end ground connection.

The base stage of the audion VT2 is connected with the colelctor electrode of audion VT3, its emitter stage and audion VT3 send out Emitter-base bandgap grading is connected；The emitter stage of the audion VT3 is also connected with the emitter stage of audion VT4, its base stage is also grounded；It is described The VDD pins of control chip U are connected with the positive pole of electric capacity C3；One end ground connection of the switch S1, the other end and control chip U PWR pins be connected；One end of the switch S2 is connected with the ADJ pins of control chip U, other end ground connection.

To guarantee practical effect of the present utility model, the unidirectional thyristor VS is KP1A unidirectional thyristors；It is described Control chip U is JX2998 control chips；The switch S1 and switch S2 be the PB-11D14 of contact resistance≤0.03 Ω by Key switch.

This utility model compared with prior art, with advantages below and beneficial effect：

(1) this utility model can to input voltage in it is effective enough suppression or eliminate low-order harmonic, change pulse width Carry out controlled output voltage, make output voltage more stable；And this utility model can also be adjusted to the dutycycle of voltage, and energy Accelerate PWM ripple governing speeds, improve PWM ripple dynamic properties, make PWM ripples more stable, so as to improve output of the present utility model Dodging occurs in the stability of voltage, the ultraviolet beam that can effectively prevent the Burdick lamp of Burdick lamp air deodorization depurator It is bright, air purifier is decomposed to the oxygen molecule in air well.

(2) this utility model can carry out blood pressure lowering to input voltage, and can carry out voltage stabilizing regulation to voltage, effectively eliminate electricity Harmonic wave in pressure, makes voltage more stable, more steady, so as to improve the stability of this utility model output voltage.

(3) this utility model can be suppressed or be eliminated when output is short-circuited to instantaneous high current, so as to improve The effect dammed with current-limiting protection of the present utility model, can effectively prevent Burdick lamp air deodorization depurator blower fan and Burdick lamp is damaged by high current, while the service life of outside line lamp air deodorization depurator can be extended well.

(4) control chip U of the present utility model is JX2998 control chips, and the chip can have in combination with peripheral circuit The raising stability of the present utility model of effect and reliability.

Description of the drawings

Fig. 1 is integrated circuit structural representation of the present utility model.

Specific embodiment

This utility model is described in further detail with reference to embodiment and its accompanying drawing, but reality of the present utility model Apply mode not limited to this.

As shown in figure 1, this utility model switchs S1 mainly by control chip U, unidirectional thyristor VS, S2, audion are switched VT1, audion VT2, audion VT3, audion VT4, audion VT5, audion VT6, resistance R1, resistance R2, resistance R3, can Adjust resistance R4, resistance R5, adjustable resistance R6, resistance R7, resistance R8, resistance R9, resistance R10, resistance R11, resistance R12, resistance R13, resistance R14, electric capacity C1, electric capacity C2, electric capacity C3, electric capacity C4, electric capacity C5, electric capacity C6, electric capacity C7, electric capacity C8, electric capacity C9, two Pole pipe D1, diode D2, diode D3, diode D4, diode D5, Zener diode D6, diode D7, and diode D8 Composition.

During connection, the P poles of Zener diode D2 are connected with the emitter stage of audion VT1, N poles Jing after resistance R5 with control The VSS pins of chip U are connected.One end of adjustable resistance R4 is connected with the base stage of audion VT1, the other end and control chip The VDD pins of U are connected.The positive pole of electric capacity C2 is connected with the VDD pins of control chip U, the VSS of negative pole and control chip U Pin is grounded after being connected.One end of resistance R3 is connected with the negative electrode of unidirectional thyristor VS, the positive pole of the other end and electric capacity C2 It is connected.The negative pole of electric capacity C1 is connected with the adjustable side of unidirectional thyristor VS, the current collection of positive electrode resistance R2 resolving sputum audion VT1 Pole is connected.The P poles of diode D1 are connected with the positive pole of electric capacity C1, and N poles are connected with the anode of unidirectional thyristor VS.Resistance One end of R1 is connected with the P poles of diode D1, and the other end is collectively forming input and and civil power with the N poles of Zener diode D2 It is connected.

Wherein, the positive pole of electric capacity C3 is connected with the positive pole of electric capacity C2, and negative pole is connected with the ADJ pins of control chip U Connect.The positive pole of electric capacity C4 is connected Jing after resistance R7 with the base stage of audion VT3, and negative pole is connected with the VDD pins of control chip U Connect.The P poles of diode D4 are connected with the positive pole of electric capacity C4, and N poles are connected with the P poles of diode D5, the N of the diode D5 Pole is then connected with the VDD pins of control chip U.The P poles of diode D3 are connected with the colelctor electrode of audion VT2, N poles with electricity The positive pole for holding C4 is connected.One end of adjustable resistance R6 is connected with the colelctor electrode of audion VT2, the other end and audion VT3 Colelctor electrode be connected.The positive pole of electric capacity C5 is connected with the emitter stage of audion VT3, negative pole Jing after resistance R8 with control chip The OUTPUT pins of U are connected.The positive pole of electric capacity C6 is connected with the colelctor electrode of audion VT5, and negative pole is sent out with audion VT4's Emitter-base bandgap grading is collectively forming the first outfan and is connected with blower fan M.

Meanwhile, the P poles of diode D7 are connected with the positive pole of electric capacity C6, and N poles are connected with the emitter stage of audion VT4. The P poles of Zener diode D6 are connected with the colelctor electrode of audion VT4, N poles as the second outfan and with Burdick lamp ZWD phases Connection.The positive pole of electric capacity C7 is connected Jing after resistance R9 with the base stage of audion VT4, negative pole Jing after resistance R11 with audion VT6 Colelctor electrode be connected.The positive pole of electric capacity C8 is connected with the OUTPUT pins of control chip U, and negative pole is Jing after resistance R10 with three The base stage of pole pipe VT5 is connected.The positive pole of electric capacity C9 is connected with the emitter stage of audion VT5, minus earth.Diode D8's P poles are connected Jing after resistance R12 with the LAMP pins of control chip U, and N poles are connected Jing after resistance R13 with the base stage of audion VT6 Connect.One end of resistance R14 is connected with the emitter stage of audion VT6, other end ground connection.

The base stage of the audion VT2 is connected with the colelctor electrode of audion VT3, its emitter stage and audion VT3 send out Emitter-base bandgap grading is connected；The emitter stage of the audion VT3 is also connected with the emitter stage of audion VT4, its base stage is also grounded；It is described The VDD pins of control chip U are connected with the positive pole of electric capacity C3, and its VSS pins ground connection, the other end is managed with the PWR of control chip U Foot is connected；One end of the switch S2 is connected with the ADJ pins of control chip U, other end ground connection.

During operation, audion VT1 of the present utility model, unidirectional thyristor VS, resistance R1, resistance R2, resistance R5, electric capacity C1, electric capacity C2 and adjustable resistance R4 form lower pressure rectifier filter circuit, wherein resistance R1, diode D1, Zener diode D2 and Electric capacity C1 forms reduction voltage circuit, and electric capacity C2 as filter capacitor, and the N poles of civil power Jing Zener diode D2 are with resistance R1 wherein The input input reduction voltage circuit that one end is collectively forming, the reduction voltage circuit carries out blood pressure lowering process to the alternating voltage being input into；The drop Voltage after pressure process is converted to alternating voltage Jing after the rectification circuit that unidirectional thyristor VS and resistance R3 is formed carries out rectification DC voltage, and the DC voltage after changing carries out voltage stabilizing regulation by the adjustable resistance R4 as actuator, finally by electricity Hold C2 to filter the DC voltage after voltage stabilizing regulation, effectively eliminate harmonic wave in voltage, make voltage more stable, more steady. DC voltage after process is transferred to control chip U by the lower pressure rectifier filter circuit, when switch S1 and switch S2 is disconnection shape State, the FAN feet of control chip U and LAMP feet output low level, blower fan M and Burdick lamp ZWD does not work.

After SW1 keys are pressed, FAN feet output 100%PWM ripples, diode D3 that the PWM ripples are concatenated, diode D4, two The tandem type short-circuit protection circuit that pole pipe D5, audion VT2 and audion VT3 are formed, the tandem type short-circuit protection circuit can be right The instantaneous high current produced during output short-circuit is suppressed or is eliminated, so as to improve of the present utility model damming and current-limiting protection Effect, the blower fan and Burdick lamp that can effectively prevent Burdick lamp air deodorization depurator is damaged by high current, and is controlled The high driving current electricity that then Jing electric capacity C6, electric capacity C8, resistance R10 and audion VT5 are formed of the OUTPUT pins output of chip U Current detection circuit effectively reduces the Leakage Current and loss current of output current, and can suppress the unusual fluctuations of output current, PWM wave velocities can also be changed, improve PWM ripple dynamic properties, make PWM ripples more stable, even if output current keeps stable, Jing electric currents The positive pole transmission fan M driving stages of the drive circuit Jing electric capacity C6 after detection processing of circuit, are concatenated type short-circuit protection circuit Voltage afterwards then transmits the fortune pole of fan M and Burdick lamp ZWD, and now blower fan M is operated in as maximum quantity of wind state, same to time control The booster circuit that the LAMP feet output high level Jing diode D8 of coremaking piece U, audion VT6 and electric capacity C7 are formed, this liter of piezoelectricity The high voltage of road output is powered Jing after Zener diode D6 for Burdick lamp ZWD, the terminals ground connection of Burdick lamp ZWD, End Burdick lamp ZWD obtain it is electric after be lit, Burdick lamp ZWD transmission high energy ozone UV ultraviolet beams to the oxygen in air Son is carried out decomposing and produces free oxygen, i.e. active oxygen, and gas is input to this purification by the air deodorization depurator using exhaust equipment After equipment, cleaning equipment easily eliminates the harmful substances such as antibacterial, the mycete in room air with high energy UV ultraviolet beams, goes Except the abnormal flavour in air, the respiratory health of you and household is ensured.

Wherein, the diode D3 of the series connection, diode D4, diode D5, audion VT2 and audion VT3 are formed Tandem type short-circuit protection circuit, used as the adjustment pipe of the circuit, operationally, the emitter stage of audion VT3 is defeated for its audion VT2 It is 0 to go out voltage, while the base stage of audion VT3 is turned on colelctor electrode, the cut-off of pipe audion VT2 is adjusted, so as to the tandem type Short-circuit protection circuit can to output short-circuit when the instantaneous high current that produces suppressed or eliminated, be effectively prevented Burdick lamp The blower fan and Burdick lamp of air deodorization depurator is shorted produced instantaneous high current and damages.

Meanwhile, when the air quality in Burdick lamp air deodorization depurator working range is in shape, then by SW1 Key, then return to the first step.SW2 keys are air quantity adjusting keys, and SW2 keys are pressed under blower fan M working conditions, and the PWM ripples of FAN feet output exist Change between 100% and 50%, air quantity is switched over therewith between height, the LAMP feet of control chip U reduce output level, The ozone UV ultraviolet beam weakeneds of Burdick lamp ZWD, so as to Burdick lamp air deodorization depurator reduces output, The consumption to electric energy is reduced, therefore, this utility model also achieves the effect of energy-conservation.

To guarantee practical effect of the present utility model, the control chip U is to be designed using 0.8 micron process The JX2998 control chips of CMOS air deodorizations purification；The switch S1 and switch S2 are the PB- of contact resistance≤0.03 Ω 11D14 key switches.

According to above-described embodiment, you can realize this utility model well.

Claims (4)

1. a kind of Burdick lamp air deodorization depurator IGCT stable flow type control circuit, it is characterised in that main by controlling Chip U, unidirectional thyristor VS, switch S1, switch S2, audion VT2, audion VT3, audion VT4, audion VT5, three poles Pipe VT6, P pole is connected with the emitter stage of audion VT1, N poles are connected Jing after resistance R5 with the VSS pins of control chip U Zener diode D2, one end is connected with the base stage of audion VT1, the other end is connected with the VDD pins of control chip U can Resistance R4 is adjusted, is grounded after positive pole is connected with the VDD pins of control chip U, negative pole is connected with the VSS pins of control chip U Electric capacity C2, the resistance R3 that one end is connected with the negative electrode of unidirectional thyristor VS, the other end is connected with the positive pole of electric capacity C2, bear Pole is connected with the adjustable side of unidirectional thyristor VS, the electric capacity that positive pole is connected Jing after resistance R2 with the colelctor electrode of audion VT1 The diode D1 that C1, P pole is connected with the positive pole of electric capacity C1, N poles are connected with the anode of unidirectional thyristor VS, one end and two poles The P poles of pipe D1 are connected, the N poles of the other end and Zener diode D2 are collectively forming the resistance R1 of input, positive pole and electric capacity C2 Positive pole be connected, the electric capacity C3 that negative pole is connected with the ADJ pins of control chip U, positive pole Jing after resistance R7 with audion VT3 Base stage be connected, the electric capacity C4 that negative pole is connected with the VDD pins of control chip U, P poles are connected with the positive pole of electric capacity C4, N The diode D4 that pole is connected Jing after diode D5 with the VDD pins of control chip U, P poles are connected with the colelctor electrode of audion VT2 Connect, the diode D3 that N poles are connected with the positive pole of electric capacity C4, one end is connected with the colelctor electrode of audion VT2, the other end and three The adjustable resistance R6 that the colelctor electrode of pole pipe VT3 is connected, positive pole is connected with the emitter stage of audion VT3, negative pole Jing resistance R8 The electric capacity C5 being connected with the OUTPUT pins of control chip U afterwards, positive pole is connected with the colelctor electrode of audion VT5, negative pole with The emitter stage of audion VT4 is collectively forming the electric capacity C6 of the first outfan, and P poles are connected with the positive pole of electric capacity C6, N poles and three poles The diode D7 that the emitter stage of pipe VT4 is connected, P poles are connected with the colelctor electrode of audion VT4, N poles are used as the second outfan Zener diode D6, positive pole is connected Jing after resistance R9 with the base stage of audion VT4, negative pole Jing after resistance R11 with audion The electric capacity C7 that the colelctor electrode of VT6 is connected, positive pole is connected with the OUTPUT pins of control chip U, negative pole Jing after resistance R10 with The electric capacity C8 that the base stage of audion VT5 is connected, positive pole is connected with the emitter stage of audion VT5, the electric capacity C9 of minus earth, P poles are connected Jing after resistance R12 with the LAMP pins of control chip U, N poles are connected Jing after resistance R13 with the base stage of audion VT6 The diode D8 for connecing, and one end is connected with the emitter stage of audion VT6, the resistance R14 of other end ground connection is constituted；Described three The base stage of pole pipe VT2 is connected with the colelctor electrode of audion VT3, its emitter stage is connected with the emitter stage of audion VT3；It is described The emitter stage of audion VT3 is also connected with the emitter stage of audion VT4, its base stage is also grounded；The VDD of the control chip U Pin is connected with the positive pole of electric capacity C3；One end ground connection of the switch S1, the other end are connected with the PWR pins of control chip U Connect；One end of the switch S2 is connected with the ADJ pins of control chip U, other end ground connection.

2. a kind of Burdick lamp air deodorization depurator IGCT stable flow type control circuit according to claim 1, its It is characterised by, the unidirectional thyristor VS is KP1A unidirectional thyristors.

3. a kind of Burdick lamp air deodorization depurator IGCT stable flow type control circuit according to claim 2, its It is characterised by, the control chip U is JX2998 control chips.

4. a kind of Burdick lamp air deodorization depurator IGCT stable flow type control circuit according to claim 3, its It is characterised by, the switch S1 and switch S2 is the PB-11D14 key switches of contact resistance≤0.03 Ω.