CN113198615A - Hospital uses air freshener control circuit - Google Patents
Hospital uses air freshener control circuit Download PDFInfo
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- CN113198615A CN113198615A CN202110630465.5A CN202110630465A CN113198615A CN 113198615 A CN113198615 A CN 113198615A CN 202110630465 A CN202110630465 A CN 202110630465A CN 113198615 A CN113198615 A CN 113198615A
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- 239000002386 air freshener Substances 0.000 title claims abstract description 25
- 230000005284 excitation Effects 0.000 claims abstract description 20
- 239000003990 capacitor Substances 0.000 claims description 128
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 18
- 238000007599 discharging Methods 0.000 claims description 18
- 229910052710 silicon Inorganic materials 0.000 claims description 18
- 239000010703 silicon Substances 0.000 claims description 18
- 230000005611 electricity Effects 0.000 abstract description 3
- 239000002245 particle Substances 0.000 abstract description 3
- 230000003068 static effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 6
- 230000000087 stabilizing effect Effects 0.000 description 5
- 239000008187 granular material Substances 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 230000000249 desinfective effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/34—Constructional details or accessories or operation thereof
- B03C3/66—Applications of electricity supply techniques
- B03C3/68—Control systems therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/34—Constructional details or accessories or operation thereof
- B03C3/36—Controlling flow of gases or vapour
- B03C3/368—Controlling flow of gases or vapour by other than static mechanical means, e.g. internal ventilator or recycler
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/34—Constructional details or accessories or operation thereof
- B03C3/38—Particle charging or ionising stations, e.g. using electric discharge, radioactive radiation or flames
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Electronic Switches (AREA)
Abstract
The invention relates to medical equipment, in particular to a control circuit of an air freshener for hospitals. The technical problem is as follows: provides an air freshener control circuit for hospitals. The technical scheme is as follows: the hospital air freshener control circuit comprises a second power supply circuit, a third potentiometer, an excitation voltage circuit, an 8KV high-voltage generating circuit and a triode base voltage circuit, wherein the output end of the third potentiometer is connected with the input end of the triode base voltage circuit, the input end of the triode base voltage circuit is connected with the output end of the excitation voltage circuit, and the output end of the excitation voltage circuit is connected with the input end of the 8KV high-voltage generating circuit. Through the 8KV high-voltage generating circuit, high-voltage static electricity can be generated, particles in the air are adsorbed, and the air is convenient to purify.
Description
Technical Field
The invention relates to medical equipment, in particular to a control circuit of an air freshener for hospitals.
Background
The harmful components in the air are increased due to the environmental pollution of hospitals, and people invent an air refreshing machine for cleaning the harmful components in the air and providing a healthy environment for patients. The air freshener can filter dust in the air through the filter equipment arranged in the air freshener, and the sterilization device arranged in the air freshener can kill bacteria in the air, so that the air freshener is increasingly popularized.
The air freshener has high gravity center, is easy to vibrate during working, generates noise and has poor refreshing effect, so that the control circuit for the air freshener for the hospital, which can realize good refreshing effect, is developed at present.
Disclosure of Invention
In order to overcome the shortcoming that the fresh effect of current air freshener is poor, technical problem: provides an air freshener control circuit for hospitals.
The technical scheme is as follows: the output end of the third potentiometer is connected with the input end of the triode base level voltage circuit, the input end of the triode base level voltage circuit is connected with the output end of the excitation voltage circuit, the output end of the excitation voltage circuit is connected with the input end of the 8KV high voltage generation circuit, and the second power supply circuit supplies power for the third potentiometer, the excitation voltage circuit, the 8KV high voltage generation circuit and the triode base level voltage circuit.
Optionally, the solar water heater further comprises a first driving circuit, a fan and an ultraviolet lamp, wherein the output end of the first driving circuit is connected with the input end of the fan, the output end of the first driving circuit is connected with the input end of the ultraviolet lamp, and the second power supply circuit supplies power to the first driving circuit, the fan and the ultraviolet lamp.
Optionally, the automatic reset circuit also comprises a first-stage timer circuit, a first potentiometer, a time switch circuit, a reset circuit, a second-stage timer circuit, a first silicon controlled drive circuit, a relay circuit and a second potentiometer, wherein the output end of the first-stage timer circuit is connected with the input end of the time switch circuit, the input end of the first-stage timer circuit is connected with the output end of the first potentiometer, the input end of the first-stage timer circuit is connected with the output end of the reset circuit, the output end of the time switch circuit is connected with the input end of the second-stage timer circuit, the input end of the second-stage timer circuit is connected with the reset circuit, the input end of the second-stage timer circuit is connected with the output end of the second potentiometer, the output end of the second-stage timer circuit is connected with the input end of the first silicon controlled drive circuit, and the output end of the first silicon controlled drive circuit is connected with the input end of the relay circuit, the output end of the relay circuit is connected with the input end of a second power supply circuit, and the power supply unit supplies power to the first-stage timer circuit, the first potentiometer, the time switch circuit, the zero clearing circuit, the second-stage timer circuit, the first silicon controlled drive circuit, the relay circuit and the second potentiometer.
Optionally, the first driving circuit comprises a capacitor C6, diodes D6-D7 and diodes D9-D10, the capacitor C6 is connected in parallel with the fan and the ultraviolet lamp, one end of the capacitor C6 is connected in series with the diode D7 and the diode D10, the other end of the capacitor C6 is connected in series with the diode D6 and the diode D9, the cathode of the diode D7 is connected with the cathode of the diode D6, and the node between the anode of the diode D10 and the anode of the diode D9 is grounded; the excitation voltage circuit comprises an inductor L1, a power supply capacitor EC1, a diode D8, a diode D12 and a resistor R7, wherein a node between a diode D6 and a cathode of a diode D7 is connected with the inductor L1, the other end of the inductor L1 is connected with a power supply capacitor EC1, the other end of the power supply capacitor EC1 is connected with a cathode of a diode D8 and a resistor R7 in series, the other end of the resistor R7 is connected with a cathode of the diode D12, and an anode of the diode D12 is grounded.
Optionally, the triode-based voltage circuit comprises an NPN-type triode Q2, a resistor R9, a capacitor C8, a capacitor C11, a resistor R8, a zener diode D11, a diode D13 and a variable resistor VR3, the anode of the diode D8 is connected with the collector of an NPN type triode Q2, the emitter of the NPN type triode Q2 is grounded, the node between the resistor R7 and the cathode of the diode D12 is connected with the base stage of an NPN type triode Q2, the base stage of the NPN type triode Q2 is connected with the cathode of a voltage stabilizing diode D11, the anode of the voltage stabilizing diode D11 is connected with a variable resistor VR3, the other end of the variable resistor VR3 is connected with a resistor R8, the other end of the resistor R8 is connected with a capacitor C11, the other end of the capacitor C11 is connected with a variable resistor VR3, the other end of the capacitor C11 is connected with the anode of a diode D13, the cathode of the diode D13 is connected in series with a capacitor C8 and a resistor R9, and the other end of the resistor R9 is connected with the cathode of a voltage-stabilizing diode D11.
Optionally, the 8KV high voltage generating circuit comprises a transformer T1, diodes D14-D17, capacitors C9-C10, capacitors C12-C13, resistors R10-R12, a first discharging end and a second discharging end, a secondary 7 pin of the transformer T1 is connected with one end of the power capacitor EC1, a secondary 8 pin of the transformer T1 is connected with an anode of the diode D1, a secondary 11 pin of the transformer T1 is connected with an emitter of the NPN-type triode Q1, a secondary 12 pin of the transformer T1 is connected with one end of the capacitor C1, a primary 6 pin of the transformer T1 is connected in series with the diode D1 and the capacitor C1, a primary 2 pin of the transformer T1 is connected in series with the capacitor 12 and the second discharging end, the other end of the capacitor 12 is connected with an anode of the diode D1, the capacitor C1 is connected in series with the diode D1, the diode D1 is connected with the cathode of the diode 1, the cathode of the diode D15 is connected with the capacitor C13, the node between the anode of the diode D16 and the cathode of the diode D17 is connected with the other end of the capacitor C13, the second discharging end is connected with the resistor R11 and the resistor R12 in series, and the other end of the resistor R11 is grounded.
Optionally, the first-stage timer circuit includes a variable resistor VR1, a resistor R2, a capacitor C3, a time-base integrated circuit NE555-U3 and a capacitor C2, where the 1 pin of the time-base integrated circuit NE555-U3 is grounded, a node between the 2 pins and the 6 pins of the time-base integrated circuit NE555-U3 is connected in series with the resistor R2, the variable resistor VR1 and the capacitor C3, the other end of the capacitor C3 is grounded, the other end of the variable resistor VR1 is connected with +12V, the 4 pins of the time-base integrated circuit NE555-U3 are connected with +12V, the 5 pins of the time-base integrated circuit NE555-U3 are connected with the capacitor C2, the other end of the capacitor C2 is grounded, the 7 pins of the time-base integrated circuit NE555-U3 is connected with the variable end of the variable resistor VR1, and the 8 pins of the time-base integrated circuit NE555-U3 is connected with + 12V; the zero clearing circuit comprises a resistor R1, a capacitor C1, a counter CD4040-U1 and a counter CD4040-U2, wherein a pin 1 of the counter CD4040-U1 is connected with a pin 10 of the counter CD4040-U2, a node between an pin 8 of the counter CD4040-U1 and the capacitor C1 is grounded, a node between the other end of the capacitor C1 and a resistor R1 is connected with a pin 11 of the counter CD4040-U1, the other end of the resistor R1 is connected with a pin +12V, a node between a pin 3 of the time base integrated circuit NE555-U3 and a pin 10 of the counter CD4040-U1 is connected with a pin 10 of the counter CD4040-U2, a pin 8 of the counter CD4040-U2 is grounded, a pin 16 +12V of the counter CD4040-U2 is connected with a pin 16 of the counter CD4040-U2 and a pin 16 of the counter CD 4040-U1.
Optionally, the time switch circuit comprises a toggle switch S1, a resistor R3 and diodes D1-D4, the pin 1 of the toggle switch S1 is connected with the cathode of the diode D4, the pin 2 of the toggle switch S1 is connected with the cathode of the diode D3, the 3 pin of the toggle switch S1 is connected with the cathode of the diode D2, the 4 pin of the toggle switch S1 is connected with the cathode of the diode D1, the node between the anodes of the diodes D1-D4 is connected with a resistor R3, the other end of the resistor R3 is connected with the 16 pins of the counter CD4040-U2, the 5 pins of the toggle switch S1 are connected with the 1 pin of the counter CD4040-U2, the pin 6 of the toggle switch S1 is connected with the pin 15 of the counter CD4040-U2, the pin 7 of the toggle switch S1 is connected with the pin 14 of the counter CD4040-U2, the pin 8 of the toggle switch S1 is connected with the pin 12 of the counter CD 4040-U2.
Optionally, the second-stage timer circuit comprises a time-base integrated circuit NE555-U6, a resistor R4, a variable resistor VR2, a capacitor C5 and a capacitor C4, wherein the 1 pin of the time-base integrated circuit NE555-U6 is grounded, the node between the 2 pins and the 6 pins of the time-base integrated circuit NE555-U6 is connected in series with the resistor R4, the variable resistor VR2 and the capacitor C5, the other end of the capacitor C5 is grounded, the other end of the resistor R4 is connected with +12V, the 4 pin of the time-base integrated circuit NE555-U6 is connected with the anode of the diode D4, the 5 pin of the time-base integrated circuit NE555-U6 is connected with the capacitor C4, the other end of the capacitor C4 is grounded, the 7 pin of the time-base integrated circuit NE555-U6 is connected with the fixed end of the variable resistor VR1, and the 8 pins of the time-base integrated circuit NE555-U6 is connected with + 12V; the first thyristor drive circuit comprises a counter CD4040-U4 and a counter CD4040-U5, a node between pins 1 and 11 of the counter CD4040-U4 is connected with pins 10 of the counter CD4040-U5, pins 8 of the counter CD4040-U4 are grounded, a node between pins 3 of the time base integrated circuit NE555-U6 and pins 10 of the counter CD4040-U4 is connected with pins 11 of the counter CD4040-U5, pins 11 of the counter CD4040-U5 are connected with pins 11 of the counter CD4040-U2, and pins 16 of the counter CD4040-U4 and the counter CD4040-U5 are connected with + 12V.
Optionally, the relay circuit comprises AC220V, a relay RL1, a FUSE FUSE, a diode D5, a light emitting diode VD1, a resistor D5, a resistor R6, a capacitor C7 and a thyristor Q1, the pin 1 of the thyristor counter CD4040-U5 is connected with a resistor R6, the other end of the resistor R6 is connected with a thyristor Q1 in series and a capacitor C7, the node between the other end of the capacitor C7 and the cathode of the controlled silicon Q1 is grounded, the anode of the controlled silicon Q1 is connected in series with the coil of the relay RL1, the diode D5 and the lighting diode VD1, the anode of the luminous diode VD1 is connected with a resistor R5, the node between the other end of the resistor R5 and the cathode of the diode D5 is connected with +12V, the coil of the relay RL1 is connected with +12V, the COM end of the relay RL1 is connected with the L end of the AC220V, the NC end of the relay RL1 is connected with a FUSE FUSE, the other end of the FUSE FUSE is connected with a fan, and one end of the fan is connected with the N end of the AC 220V.
The invention has the beneficial effects that: 1. through the 8KV high-voltage generating circuit, high-voltage static electricity can be generated, particles in the air are adsorbed, and the air is convenient to purify.
2. Through fan and ultraviolet lamp, the fan can accelerate the granule in the air to flow for adsorb the granule, and the ultraviolet lamp lights plays the effect of disinfecting.
Drawings
FIG. 1 is a block diagram of the circuit of the present invention.
Fig. 2 is a schematic circuit diagram of the present invention.
Description of reference numerals: 1: power supply unit, 2: first stage timer circuit, 3: first potentiometer, 4: time switching circuit, 5: zero clearing circuit, 6: second stage timer circuit, 7: first thyristor drive circuit, 8: relay circuit, 9: second power supply circuit, 10: first drive circuit, 11: a fan, 12: third potentiometer, 13: excitation voltage circuit, 14: 8KV high-voltage generating circuit, 15: triode base voltage circuit, 16: second potentiometer, 17: an ultraviolet lamp.
Detailed Description
Embodiments of the present invention will be described below with reference to the drawings.
Example 1
An air freshener control circuit for hospitals comprises a second power supply circuit 9, a third potentiometer 12, an excitation voltage circuit 13, an 8KV high-voltage generation circuit 14 and a triode base voltage circuit 15, wherein the output end of the third potentiometer 12 is connected with the input end of the triode base voltage circuit 15, the input end of the triode base voltage circuit 15 is connected with the output end of the excitation voltage circuit 13, the output end of the excitation voltage circuit 13 is connected with the input end of the 8KV high-voltage generation circuit 14, and the second power supply circuit 9 supplies power to the third potentiometer 12, the excitation voltage circuit 13, the 8KV high-voltage generation circuit 14 and the triode base voltage circuit 15.
When a hospital needs to freshen air, the equipment can be used, the equipment is electrified firstly, the first potentiometer 3 controls the triode base voltage circuit 15 to work, the triode base voltage circuit 15 controls the excitation voltage circuit 13 to work, and the excitation voltage circuit 13 controls the 8KV high-voltage generating circuit 14 to work, so that high-voltage static electricity can be generated, dust in the air is adsorbed, and therefore the air can be purified conveniently, and a power supply can be cut off when the equipment is not used.
Example 2
On the basis of embodiment 1, as shown in fig. 1, the ultraviolet lamp driving device further includes a first driving circuit 10, a fan 11, and an ultraviolet lamp 17, wherein an output end of the first driving circuit 10 is connected to an input end of the fan 11, an output end of the first driving circuit 10 is connected to an input end of the ultraviolet lamp 17, and the second power supply circuit 9 supplies power to the first driving circuit 10, the fan 11, and the ultraviolet lamp 17.
After this equipment circular telegram, first drive circuit 10 and control fan 11 carry out work, and fan 11 can accelerate granule in the air and flow for adsorb the granule, and ultraviolet lamp 17 lights and plays the effect of disinfecting, and behind the deenergization, fan 11 is closed, and ultraviolet lamp 17 extinguishes.
The automatic reset circuit also comprises a first-stage timer circuit 2, a first potentiometer 3, a time switch circuit 4, a zero clearing circuit 5, a second-stage timer circuit 6, a first silicon controlled drive circuit 7, a relay circuit 8 and a second potentiometer 16, wherein the output end of the first-stage timer circuit 2 is connected with the input end of the time switch circuit 4, the input end of the first-stage timer circuit 2 is connected with the output end of the first potentiometer 3, the input end of the first-stage timer circuit 2 is connected with the output end of the zero clearing circuit 5, the output end of the time switch circuit 4 is connected with the input end of the second-stage timer circuit 6, the input end of the second-stage timer circuit 6 is connected with the output end of the zero clearing circuit 5, the input end of the second-stage timer circuit 6 is connected with the output end of the second potentiometer 16, and the output end of the second-stage timer circuit 6 is connected with the input end of the first silicon controlled drive circuit 7, the output end of the first silicon controlled drive circuit 7 is connected with the input end of the relay circuit 8, the output end of the relay circuit 8 is connected with the input end of the second power supply circuit 9, and the power supply unit 1 supplies power for the first-stage timer circuit 2, the first potentiometer 3, the time switching switch circuit 4, the zero clearing circuit 5, the second-stage timer circuit 6, the first silicon controlled drive circuit 7, the relay circuit 8 and the second potentiometer 16.
After the equipment is powered on, the first-stage timer circuit 2 controls the first potentiometer 3 to work, the first-stage timer circuit 2 controls the time switch circuit 4 to work, the time switch circuit 4 controls the second-stage timer to work, the second-stage timer electrically controls the second potentiometer 16 and the first silicon controlled drive circuit 7 to work, the first silicon controlled drive circuit 7 controls the relay circuit 8 to work, so that the working time of the equipment can be timed, when the timing time needs to be cleared, the clearing circuit 5 controls the second-stage timer circuit 6 to work, and further the timing time of the equipment is cleared.
Example 3
On the basis of embodiment 2, as shown in fig. 1-2, the first driving circuit 10 includes a capacitor C6, diodes D6-D7 and diodes D9-D10, the capacitor C6 is connected in parallel with the fan 11 and the ultraviolet lamp 17, one end of the capacitor C6 is connected in series with the diode D7 and the diode D10, the other end of the capacitor C6 is connected in series with the diode D6 and the diode D9, the cathode of the diode D7 is connected with the cathode of the diode D6, and the node between the anode of the diode D10 and the anode of the diode D9 is grounded.
The excitation voltage circuit 13 comprises an inductor L1, a power supply capacitor EC1, a diode D8, a diode D12 and a resistor R7, wherein a node between a cathode of the diode D6 and a cathode of the diode D7 is connected with the inductor L1, the other end of the inductor L1 is connected with a power supply capacitor EC1, the other end of the power supply capacitor EC1 is connected with a cathode of a diode D8 and a resistor R7 in series, the other end of the resistor R7 is connected with a cathode of the diode D12, and an anode of the diode D12 is grounded.
The triode base voltage circuit 15 comprises an NPN type triode Q2, a resistor R9, a capacitor C8, a capacitor C11, a resistor R8, a voltage stabilizing diode D11, a diode D13 and a variable resistor VR3, the anode of the diode D8 is connected with the collector of an NPN type triode Q2, the emitter of the NPN type triode Q2 is grounded, the node between the resistor R7 and the cathode of the diode D12 is connected with the base stage of an NPN type triode Q2, the base stage of the NPN type triode Q2 is connected with the cathode of a voltage stabilizing diode D11, the anode of the voltage stabilizing diode D11 is connected with a variable resistor VR3, the other end of the variable resistor VR3 is connected with a resistor R8, the other end of the resistor R8 is connected with a capacitor C11, the other end of the capacitor C11 is connected with a variable resistor VR3, the other end of the capacitor C11 is connected with the anode of a diode D13, the cathode of the diode D13 is connected in series with a capacitor C8 and a resistor R9, and the other end of the resistor R9 is connected with the cathode of a voltage-stabilizing diode D11.
The 8KV high-voltage generating circuit 14 comprises a transformer T1, diodes D14-D17, capacitors C9-C10, capacitors C12-C13, resistors R10-R12, a first discharging end and a second discharging end, wherein a secondary pin 7 of the transformer T1 is connected with one end of a power supply capacitor EC1, a secondary pin 8 of the transformer T1 is connected with an anode of the diode D8, a secondary pin 11 of the transformer T1 is connected with an emitter of an NPN type triode Q2, a secondary pin 12 of the transformer T1 is connected with one end of a capacitor C8, a primary pin 6 of the transformer T1 is connected with a diode D14 and a capacitor C9 in series, a primary pin 2 of the transformer T1 is connected with the capacitor 12 and the second discharging end in series, the other end of the capacitor 12 is connected with an anode of a diode D14, a capacitor C9 is connected with a diode D15, a diode D16, a diode D10, a diode D17, a resistor R10 and a first discharging end, and a cathode of the diode D15 are connected with a cathode 14, the cathode of the diode D15 is connected with the capacitor C13, the node between the anode of the diode D16 and the cathode of the diode D17 is connected with the other end of the capacitor C13, the second discharging end is connected with the resistor R11 and the resistor R12 in series, and the other end of the resistor R11 is grounded.
White dust-laden paper is placed between the first discharging end and the second discharging end, after the power supply is switched on, the fan 11 blows air to quicken the flow of particles in the air, the ultraviolet lamp 17 is lightened to play a sterilization effect, current passes through the NPN type triode Q2 and the variable resistor VR3, if the voltage is too high, the variable resistor VR3 can control the voltage to be reduced, the circuit can be protected, however, the voltage can be improved through the transformer T1, and finally the voltage of the first discharging end and the voltage of the second discharging end are improved to 8000V, so that dust can be adsorbed on the white dust-laden paper, the power supply is turned off when the white dust-laden paper is not used, and the white dust-laden paper can be taken down.
The first-stage timer circuit 2 comprises a variable resistor VR1, a resistor R2, a capacitor C3, a time-base integrated circuit NE555-U3 and a capacitor C2, wherein a pin 1 of the time-base integrated circuit NE555-U3 is grounded, a node between pins 2 and 6 of the time-base integrated circuit NE555-U3 is connected with a resistor R2, a variable resistor VR1 and a capacitor C3 in series, the other end of the capacitor C3 is grounded, the other end of the variable resistor VR1 is connected with +12V, a pin 4 of the time-base integrated circuit NE555-U3 is connected with +12V, a pin 5 of the time-base integrated circuit NE555-U3 is connected with the capacitor C2, the other end of the capacitor C2 is grounded, a pin 7 of the time-base integrated circuit NE555-U3 is connected with a variable end of the variable resistor VR1, and a pin 8 of the time-base integrated circuit NE555-U3 is connected with + 12V.
The zero clearing circuit 5 comprises a resistor R1, a capacitor C1, a counter CD4040-U1 and a counter CD4040-U2, wherein a pin 1 of the counter CD4040-U1 is connected with a pin 10 of the counter CD4040-U2, a node between an pin 8 of the counter CD4040-U1 and the capacitor C1 is grounded, a node between the other end of the capacitor C1 and a resistor R1 is connected with a pin 11 of the counter CD4040-U1, the other end of the resistor R1 is connected with a pin +12V, a node between a pin 3 of the time base integrated circuit NE555-U3 and a pin 10 of the counter CD4040-U1 is connected with a pin 10 of the counter CD4040-U2, a pin 8 of the counter CD4040-U2 is grounded, a pin 16 +12V of the counter CD4040-U2 is connected with a pin 16 of the counter CD4040-U2 and a pin 16 of the counter CD 4040-U1.
The time switch circuit 4 comprises a toggle switch S1, a resistor R3 and diodes D1-D4, the pin 1 of the toggle switch S1 is connected with the cathode of the diode D4, the pin 2 of the toggle switch S1 is connected with the cathode of the diode D3, the 3 pin of the toggle switch S1 is connected with the cathode of the diode D2, the 4 pin of the toggle switch S1 is connected with the cathode of the diode D1, the node between the anodes of the diodes D1-D4 is connected with a resistor R3, the other end of the resistor R3 is connected with the 16 pins of the counter CD4040-U2, the 5 pins of the toggle switch S1 are connected with the 1 pin of the counter CD4040-U2, the pin 6 of the toggle switch S1 is connected with the pin 15 of the counter CD4040-U2, the pin 7 of the toggle switch S1 is connected with the pin 14 of the counter CD4040-U2, the pin 8 of the toggle switch S1 is connected with the pin 12 of the counter CD 4040-U2.
The second-stage timer circuit 6 comprises a time-base integrated circuit NE555-U6, a resistor R4, a variable resistor VR2, a capacitor C5 and a capacitor C4, wherein a pin 1 of the time-base integrated circuit NE555-U6 is grounded, a node between pins 2 and 6 of the time-base integrated circuit NE555-U6 is connected in series with the resistor R4, the variable resistor VR2 and the capacitor C5, the other end of the capacitor C5 is grounded, the other end of the resistor R4 is connected with +12V, a pin 4 of the time-base integrated circuit NE555-U6 is connected with an anode of a diode D4, a pin 5 of the time-base integrated circuit NE555-U6 is connected with the capacitor C4, the other end of the capacitor C4 is grounded, a pin 7 of the time-base integrated circuit NE555-U6 is connected with a fixed end of the variable resistor VR1, and a pin 8 of the time-base integrated circuit NE555-U6 is connected with + 12V.
The first thyristor drive circuit 7 comprises a counter CD4040-U4 and a counter CD4040-U5, a node between pins 1 and 11 of the counter CD4040-U4 is connected with pins 10 of the counter CD4040-U5, pins 8 of the counter CD4040-U4 are grounded, a node between pins 3 of the time base integrated circuit NE555-U6 and pins 10 of the counter CD4040-U4 is connected with pins 11 of the counter CD4040-U5, pins 11 of the counter CD4040-U5 are connected with pins 11 of the counter CD4040-U2, and pins 16 of the counter CD4040-U4 and the counter CD4040-U5 are connected with + 12V.
The relay circuit 8 comprises AC220V, a relay RL1, a FUSE FUSE, a diode D5, a light-emitting diode VD1, a resistor D5, a resistor R6, a capacitor C7 and a thyristor Q1, the pin 1 of the thyristor counter CD4040-U5 is connected with a resistor R6, the other end of the resistor R6 is connected with a thyristor Q1 in series and a capacitor C7, the node between the other end of the capacitor C7 and the cathode of the controlled silicon Q1 is grounded, the anode of the controlled silicon Q1 is connected in series with the coil of the relay RL1, the diode D5 and the lighting diode VD1, the anode of the luminous diode VD1 is connected with a resistor R5, the node between the other end of the resistor R5 and the cathode of the diode D5 is connected with +12V, the coil of the relay RL1 is connected with +12V, the COM end of the relay RL1 is connected with the L end of the AC220V, the NC end of the relay RL1 is connected with a FUSE FUSE, the other end of the FUSE FUSE is connected with the fan 11, and one end of the fan 11 is connected with the N end of the AC 220V.
When the running time of the device needs to be timed, the device can be firstly powered on, an adjustable signal of 16 grades from 0 to 15 hours can be generated through a time base integrated circuit NE555-U3, timing of 24 seconds can be generated through cooperation between a variable resistor VR1, a resistor R2 and a capacitor C3, after frequency division is performed between a counter CD4040-U1 and a counter CD4040-U2, timing of 8 hours, 4 hours and 2 hours can be generated, by using a code pulling switch S1, people can start a corresponding code pulling switch S1 according to a time period needing timing, the code pulling switch S1 sends a low level to the time base integrated circuit 555 NE-U6, timing time of 0 to 1 hour can be generated through cooperation between the resistor R4, the variable resistor VR2 and the capacitor C5, a high level is sent to a light emitting triode VD1 through a pin 1 of the CD4040-U5, VD1 lights up, the relay RL1 is closed, so that the timing of the device is carried out, if the timing is not wanted, the timing time of the device can be cleared through the cooperation between the resistor R1 and the capacitor C2, after the power supply is cut off, the relay RL1 is disconnected, and the light-emitting triode VD1 is extinguished.
It should be understood that this example is only for illustrating the present invention and is not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.
Claims (10)
1. The air freshener control circuit for the hospital is characterized by comprising a second power supply circuit (9), a third potentiometer (12), an excitation voltage circuit (13), an 8KV high-voltage generating circuit (14) and a triode base voltage circuit (15), wherein the output end of the third potentiometer (12) is connected with the input end of the triode base voltage circuit (15), the input end of the triode base voltage circuit (15) is connected with the output end of the excitation voltage circuit (13), the output end of the excitation voltage circuit (13) is connected with the input end of the 8KV high-voltage generating circuit (14), and the second power supply circuit (9) supplies power to the third potentiometer (12), the excitation voltage circuit (13), the 8KV high-voltage generating circuit (14) and the triode base voltage circuit (15).
2. The hospital air freshener control circuit according to claim 1, further comprising a first driving circuit (10), a fan (11) and an ultraviolet lamp (17), wherein an output end of the first driving circuit (10) is connected with an input end of the fan (11), an output end of the first driving circuit (10) is connected with an input end of the ultraviolet lamp (17), and the second power supply circuit (9) supplies power to the first driving circuit (10), the fan (11) and the ultraviolet lamp (17).
3. The hospital air freshener control circuit according to claim 2, further comprising a first-stage timer circuit (2), a first potentiometer (3), a time switch circuit (4), a zero clearing circuit (5), a second-stage timer circuit (6), a first silicon controlled drive circuit (7), a relay circuit (8) and a second potentiometer (16), wherein an output end of the first-stage timer circuit (2) is connected with an input end of the time switch circuit (4), an input end of the first-stage timer circuit (2) is connected with an output end of the first potentiometer (3), an input end of the first-stage timer circuit (2) is connected with an output end of the zero clearing circuit (5), an output end of the time switch circuit (4) is connected with an input end of the second-stage timer circuit (6), an input end of the second-stage timer circuit (6) is connected with an output end of the zero clearing circuit (5), the power supply unit is characterized in that the input end of the second-stage timer circuit (6) is connected with the output end of the second potentiometer (16), the output end of the second-stage timer circuit (6) is connected with the input end of the first silicon controlled drive circuit (7), the output end of the first silicon controlled drive circuit (7) is connected with the input end of the relay circuit (8), the output end of the relay circuit (8) is connected with the input end of the second power supply circuit (9), and the power supply unit (1) supplies power for the first-stage timer circuit (2), the first potentiometer (3), the time switching circuit (4), the zero clearing circuit (5), the second-stage timer circuit (6), the first silicon controlled drive circuit (7), the relay circuit (8) and the second potentiometer (16).
4. The hospital air freshener control circuit according to claim 1, wherein the first driving circuit (10) comprises a capacitor C6, diodes D6-D7 and diodes D9-D10, the capacitor C6 is respectively connected in parallel with the blower (11) and the ultraviolet lamp (17), one end of the capacitor C6 is connected in series with the diode D7 and the diode D10, the other end of the capacitor C6 is connected in series with the diode D6 and the diode D9, the cathode of the diode D7 is connected with the cathode of the diode D6, and the node between the anode of the diode D10 and the anode of the diode D9 is grounded; the excitation voltage circuit (13) comprises an inductor L1, a power supply capacitor EC1, a diode D8, a diode D12 and a resistor R7, wherein a node between a diode D6 and a diode D7 cathode is connected with the inductor L1, the other end of the inductor L1 is connected with a power supply capacitor EC1, the other end of the power supply capacitor EC1 is connected with a diode D8 cathode and a resistor R7 in series, the other end of the resistor R7 is connected with a diode D12 cathode, and the anode of the diode D12 is grounded.
5. The hospital air freshener control circuit according to claim 1, wherein the transistor-based voltage circuit (15) comprises an NPN transistor Q2, a resistor R9, a capacitor C8, a capacitor C11, a resistor R8, a zener diode D11, a diode D13, and a variable resistor VR3, wherein an anode of the diode D8 is connected to a collector of the NPN transistor Q2, an emitter of the NPN transistor Q2 is grounded, a node between the resistor R7 and a cathode of the diode D12 is connected to a base of the NPN transistor Q2, a base of the NPN transistor Q2 is connected to a cathode of the zener diode D11, an anode of the zener diode D11 is connected to the variable resistor VR3, another end of the variable resistor VR3 is connected to the resistor R8, another end of the resistor R8 is connected to the capacitor C11, another end of the capacitor C11 is connected to the variable resistor VR 11, and another end of the capacitor C11 is connected to the anode of the diode VR 11, the cathode of the diode D13 is connected in series with a capacitor C8 and a resistor R9, and the other end of the resistor R9 is connected with the cathode of a voltage-stabilizing diode D11.
6. The hospital air freshener control circuit according to claim 1, wherein the 8KV high voltage generating circuit (14) comprises a transformer T1, diodes D14-D17, capacitors C9-C10, capacitors C12-C13, resistors R10-R12, a first discharging end and a second discharging end, the secondary 7 pin of the transformer T1 is connected with one end of a power capacitor EC1, the secondary 8 pin of the transformer T1 is connected with the anode of a diode D8, the secondary 11 pin of the transformer T1 is connected with the emitter of an NPN-type triode Q2, the secondary 12 pin of the transformer T1 is connected with one end of the capacitor C8, the primary 6 pin of the transformer T1 is connected with a diode D14 and a capacitor C9 in series, the primary 2 pin of the transformer T1 is connected with a capacitor 12 and a second discharging end, the other end of the capacitor T12 is connected with a diode D14, the anode of the capacitor C9 is connected with a diode D15, a diode D16 and a diode D3874 in series, and the other end of the capacitor C3535 is connected with the emitter of the diode D3512, The diode comprises a capacitor C10, a diode D17, a resistor R10 and a first discharging end, the cathode of the diode D15 is connected with the anode of the diode D14, the cathode of the diode D15 is connected with the capacitor C13, a node between the anode of the diode D16 and the cathode of the diode D17 is connected with the other end of the capacitor C13, the second discharging end is connected with the resistor R11 and the resistor R12 in series, and the other end of the resistor R11 is grounded.
7. The hospital air freshener control circuit according to claim 3, wherein the first-stage timer circuit (2) comprises a variable resistor VR1, a resistor R2, a capacitor C3, a time-base integrated circuit NE555-U3 and a capacitor C2, the pin 1 of the time base integrated circuit NE555-U3 is grounded, the node between the pins 2 and 6 of the time base integrated circuit NE555-U3 is connected with a resistor R2, a variable resistor VR1 and a capacitor C3 in series, the other end of the capacitor C3 is grounded, the other end of the variable resistor VR1 is terminated with +12V, the 4 pins of the time base integrated circuit NE555-U3 are connected with +12V, the 5 pins of the time base integrated circuit NE555-U3 are connected with the capacitor C2, the other end of the capacitor C2 is grounded, the 7 pins of the time base integrated circuit NE555-U3 are connected with the variable end of the variable resistor VR1, and the 8 pins of the time base integrated circuit NE555-U3 are connected with + 12V; the zero clearing circuit (5) comprises a resistor R1, a capacitor C1, a counter CD4040-U1 and a counter CD4040-U2, wherein a pin 1 of the counter CD4040-U1 is connected with a pin 10 of the counter CD4040-U2, a node between a pin 8 of the counter CD4040-U1 and the capacitor C1 is grounded, a node between the other end of the capacitor C1 and a resistor R1 is connected with a pin 11 of the counter CD4040-U1, the other end of the resistor R1 is connected with a pin +12V, a node between a pin 3 of the time base integrated circuit NE555-U3 and a pin 10 of the counter CD4040-U1 is connected with a pin 10 of the counter CD4040-U2, a pin 8 of the counter CD4040-U2 is grounded, a pin 16 +12V of the counter CD4040-U2 is connected with a pin 16 of the counter CD4040-U2 and a pin 16 of the counter CD 4040-U1.
8. The hospital air freshener control circuit according to claim 3, wherein the time switch circuit (4) comprises a toggle switch S1, a resistor R3 and diodes D1-D4, wherein the 1 pin of the toggle switch S1 is connected with the cathode of the diode D4, the 2 pin of the toggle switch S1 is connected with the cathode of the diode D3, the 3 pin of the toggle switch S1 is connected with the cathode of the diode D2, the 4 pin of the toggle switch S1 is connected with the cathode of the diode D1, the node between the anodes of the diodes D1-D4 is connected with the resistor R3, the other end of the resistor R3 is connected with the 16 pin of the counter CD4040-U2, the 5 pin of the toggle switch S1 is connected with the 1 pin of the counter CD4040-U2, the 6 pin of the toggle switch S1 is connected with the 15 pin of the counter CD4040-U2, and the toggle switch S4028 is connected with the pin of the counter CD 4040-U68614, the pin 8 of the toggle switch S1 is connected with the pin 12 of the counter CD 4040-U2.
9. The hospital air freshener control circuit according to claim 3, wherein the second stage timer circuit (6) comprises a time base integrated circuit NE555-U6, a resistor R4, a variable resistor VR2, a capacitor C5 and a capacitor C4, the pin 1 of the time base integrated circuit NE555-U6 is grounded, the node between the pins 2 and 6 of the time base integrated circuit NE555-U6 is connected with a resistor R4, a variable resistor VR2 and a capacitor C5 in series, the other end of the capacitor C5 is grounded, the other end of the resistor R4 is connected with +12V, the 4 pins of the time base integrated circuit NE555-U6 are connected with the anode of the diode D4, the pin 5 of the time base integrated circuit NE555-U6 is connected with a capacitor C4, the other end of the capacitor C4 is grounded, the pin 7 of the time base integrated circuit NE555-U6 is connected with the fixed end of the variable resistor VR1, and the pin 8 of the time base integrated circuit NE555-U6 is connected with + 12V; the first thyristor drive circuit (7) comprises a counter CD4040-U4 and a counter CD4040-U5, a node between pins 1 and 11 of the counter CD4040-U4 is connected with pins 10 of the counter CD4040-U5, pins 8 of the counter CD4040-U4 are grounded, a node between pins 3 of the time base integrated circuit NE555-U6 and pins 10 of the counter CD4040-U4 is connected with pins 11 of the counter CD4040-U5, pins 11 of the counter CD4040-U5 are connected with pins 11 of the counter CD4040-U2, and pins 16 of the counter CD4040-U4 and the counter CD4040-U5 are connected with + 12V.
10. The air freshener control circuit for hospitals according to claim 3, wherein the relay circuit (8) comprises AC220V, a relay RL1, a FUSE FUSE, a diode D5, a light emitting diode VD1, a resistor D5, a resistor R6, a capacitor C7 and a thyristor Q1, wherein the pin 1 of the thyristor counter CD4040-U5 is connected with a resistor R6, the other end of the resistor R6 is connected with a thyristor Q1 and a capacitor C7 in series, the node between the other end of the capacitor C7 and the cathode of the thyristor Q1 is grounded, the anode of the thyristor Q1 is connected with the coil of the relay RL1, the diode D5 and a lighting diode VD1 in series, the anode of the lighting diode 1 is connected with the resistor R5, the node between the other end of the resistor R5 and the cathode of the diode D5 is connected with +12V, the coil of the relay 1 is connected with +12V, the COM end of the relay RL1 is connected with the L end of the AC220V, and the NC end of the relay NC is connected with the NC 1, the other end of the FUSE FUSE is connected with a fan (11), and one end of the fan (11) is connected with the N end of the AC 220V.
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| CN202110630465.5A CN113198615A (en) | 2021-06-07 | 2021-06-07 | Hospital uses air freshener control circuit |
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| CN202110630465.5A CN113198615A (en) | 2021-06-07 | 2021-06-07 | Hospital uses air freshener control circuit |
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| CN113198615A true CN113198615A (en) | 2021-08-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113883649A (en) * | 2021-10-12 | 2022-01-04 | 陈章源 | Control circuit of air purification device for infectious ward |
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Application publication date: 20210803 |