CN113838253B - LED lamp pearl storage control alarm circuit - Google Patents
LED lamp pearl storage control alarm circuit Download PDFInfo
- Publication number
- CN113838253B CN113838253B CN202110979672.1A CN202110979672A CN113838253B CN 113838253 B CN113838253 B CN 113838253B CN 202110979672 A CN202110979672 A CN 202110979672A CN 113838253 B CN113838253 B CN 113838253B
- Authority
- CN
- China
- Prior art keywords
- resistor
- capacitor
- circuit
- diode
- pin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B3/00—Audible signalling systems; Audible personal calling systems
- G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Amplifiers (AREA)
Abstract
The invention relates to an alarm circuit, in particular to an LED lamp bead storage control alarm circuit. The technical problems of the invention are as follows: the LED lamp bead storage control alarm circuit can control the storage condition of the LED lamp beads. The technical scheme is as follows: the LED lamp bead storage control alarm circuit comprises a power supply circuit, a power supply indicator lamp, a first power supply circuit, a reference pulse generator circuit, a humidity-sensitive capacitor, a monostable delay circuit and a first potentiometer, wherein the output end of the first power supply circuit is connected with the input end of the reference pulse generator circuit, the input end of the reference pulse generator circuit is connected with the output end of the first potentiometer, and the output end of the reference pulse generator circuit is connected with the input end of the monostable delay circuit. The frequency of tone is adjusted by controlling the sweep setting circuit, so that the sounding alarm is more obvious.
Description
Technical Field
The invention relates to an alarm circuit, in particular to an LED lamp bead storage control alarm circuit.
Background
At present, if any LED lamp is needed to be used, the LED lamp bead is required to be installed on the lamp, and if the LED lamp bead which is being used is damaged, the LED lamp is not required to be replaced, and only the matched LED lamp bead is required to be purchased for installation. Each LED lamp bead has certain storage condition, and a plurality of LED lamp beads are possibly placed in a packing box, and after people turn on the LED lamp beads, other LED lamp beads are not used up, and after the storage time is exceeded, other LED lamp beads cannot be used, so that waste can be caused.
Therefore, in order to solve the above-mentioned problems, an LED lamp bead storage control alarm circuit capable of implementing dehumidification along with the LED lamp bead is now developed.
Disclosure of Invention
In order to overcome the defects that the prior LED lamp beads are used, the packaging box needs to be opened, and the rest LED lamp beads cannot be used without being used, so that waste is caused, the technical problem of the invention is that: the LED lamp bead storage control alarm circuit can control the storage condition of the LED lamp beads.
The technical scheme is as follows: the utility model provides a LED lamp pearl storage control alarm circuit, includes power supply circuit, power indicator, first power supply circuit, reference pulse generator circuit, humidity-sensitive capacitor, monostable delay circuit, first potentiometre, second potentiometre, first comparison amplifier circuit, first relay control circuit and dehumidifier, first power supply circuit output and reference pulse generator circuit input are connected, reference pulse generator circuit input and first potentiometre output are connected, reference pulse generator circuit output and monostable delay circuit input are connected, monostable delay circuit input and humidity-sensitive capacitor output are connected, monostable delay circuit output and first detection comparator circuit input are connected, first detection comparator circuit output and first comparison amplifier circuit input are connected, first comparison amplifier circuit input and second potentiometre output are connected, first comparison amplifier circuit output and first relay control circuit input are connected, first relay control circuit output and dehumidifier input are connected, power indicator power supply circuit, first comparator circuit, humidity-sensitive capacitor output and first relay control circuit input are connected.
In a preferred embodiment of the present invention, the present invention further includes an audio alert circuit and a speaker, the output end of the first comparison amplifying circuit is connected to the input end of the audio alert circuit, the output end of the audio alert circuit is connected to the input end of the speaker, and the power supply circuit supplies power to the audio alert circuit and the speaker.
In a preferred embodiment of the invention, the frequency sweep setting circuit is further included, the input end of the audible alarm circuit is connected with the output end of the frequency sweep setting circuit, and the power supply circuit supplies power to the frequency sweep setting circuit.
In a preferred embodiment of the present invention, the first power supply circuit includes a three-terminal voltage-stabilizing integrated circuit LM7805, a resistor R1, a light emitting diode VD1, an electrolytic capacitor EC1, a capacitor C2, and an electrolytic capacitor EC2, where the three-terminal voltage-stabilizing integrated circuit LM7805 is connected in parallel with the electrolytic capacitor EC1, the capacitor C2, and the electrolytic capacitor EC2, a node between the other ends of the three-terminal voltage-stabilizing integrated circuit LM7805, the electrolytic capacitor EC1, the capacitor C2, and the electrolytic capacitor EC2 is grounded, a node between the resistor R1 and the electrolytic capacitor EC1 is connected to +12v, the other end of the resistor R1 is connected to the anode of the light emitting diode VD1, and the cathode of the light emitting diode VD1 is grounded.
In a preferred embodiment of the present invention, the reference pulse generator circuit includes a capacitor C3, a capacitor C6, a resistor R11 and a variable resistor VR2, wherein one end of the resistor R11 is connected to the fixed end of the variable resistor VR2, the other end of the resistor R11 is connected to the capacitor C3, and a node between the other end of the capacitor C3 and one end of the capacitor C6 is grounded.
In a preferred embodiment of the present invention, the monostable delay circuit comprises a high stability controller LM556-U2, a resistor R9, a capacitor C8, a diode D7, a resistor R8, and a capacitor C4, wherein a node between pin 1 and pin 2 of the high stability controller LM556-U2 is connected to a capacitor C3, pin 3 of the high stability controller LM556-U2 is connected to a capacitor C6, a node between pin 4, pin 14 and pin 10 of the high stability controller LM556-U2 is connected to +5v, pin 5 of the high stability controller LM556-U2 is connected to one end of a variable resistor VR2, pin 7 of the high stability controller LM556-U2 is grounded, pin 8 of the high stability controller LM556-U2 is connected to an anode of a diode D7, cathode of the diode D7 is connected to a resistor R9 and a capacitor C8 in series, the other end of the capacitor C8 is connected to a variable resistor VR2, a node between pin 8 and diode D7 is connected to a node between pin 4 of the high stability controller LM556-U2 and a resistor VR2, and pin 4 of the other end of the high stability controller LM-U2 is connected to a resistor VR2, and pin 4 is connected to a resistor R3 and a resistor 3.
In a preferred embodiment of the present invention, the first detection comparison circuit comprises a diode D1, a diode D6, a diode D2, a resistor R4, a resistor R6, a variable resistor VR1, a resistor R3 and a capacitor C7, wherein the 9 pin of the high stability controller LM556-U2 is connected to the cathode of the diode D1, the node between the variable resistor VR2 and the capacitor C8 is connected to the cathode of the diode D6, the node between the anode of the diode D6 and the anode of the diode D1 is connected to the diode D2, the node between the anode of the diode D1 and the anode of the diode D2 is connected to the resistor R4, the cathode of the diode D2 is connected to the resistor R6, the other end of the resistor R6 is connected to the variable resistor VR1, and the other end of the resistor R4 is terminated by +5v.
In a preferred embodiment of the present invention, the first comparison amplifying circuit includes a variable resistor VR5, a resistor R14, a resistor R12, a resistor R13, a resistor R15, a capacitor C10, a capacitor C11, and an operational amplifier LM393A, wherein the 2 pin of the operational amplifier LM393A is connected to the resistor R15, the other end of the resistor R15 is connected in series with the capacitor C11 and the resistor R14, the other end of the capacitor C11 is grounded, the other end of the resistor R14 is connected to the variable resistor VR5, the fixed end of the variable resistor VR5 is connected to a diode D7, the other end of the variable resistor VR5 is grounded, the 3 pin of the operational amplifier LM393A is connected in series with the resistor R13 and the resistor R12, the node capacitor C10 between the resistor R13 and the resistor R12 is grounded, the other end of the capacitor C10 is connected to the variable resistor VR1, the 4 pin of the operational amplifier 393A is grounded, and the 8 pin of the operational amplifier LM lm+12 is grounded.
In a preferred embodiment of the present invention, the first relay control circuit includes a light emitting diode VD2, a resistor R16, a diode D9, a resistor R17, a relay RL1, an NPN transistor Q2, and an AC220V, a 1 pin of the operational amplifier LM393A and the resistor R17, the other end of the resistor R17 is connected to a base of the NPN transistor Q2, an emitter of the NPN transistor Q2 is grounded, a node between a collector of the NPN transistor Q2 and a coil of the relay RL1 is connected to an anode of the diode D9, an anode of the diode D9 is connected to the resistor R16, the other end of the resistor R16 is connected to a cathode of the light emitting diode VD2, a node between the anode of the light emitting diode VD2, the cathode of the diode D9 and the coil of the relay RL1 is connected to +12v, a COM end of the relay RL1 is connected to an L end of the AC220V, an NC end of the relay RL1 is connected to a dehumidifier, and the other end of the dehumidifier is connected to an N end of the AC 220V.
In a preferred embodiment of the invention, the sweep setting circuit comprises a resistor R7, a resistor R10, a capacitor C9, a variable resistor VR4, a diode D8, an electrolytic capacitor EC4, a capacitor C5 and a high stability controller LM556-U3, wherein the resistor R7 and the resistor R10 are connected in series with the 1 pin of the high stability controller LM556-U3, the other end of the resistor R7 is connected with the 14 pin of the high stability controller LM556-U3 by +5V, the node between the 2 pin of the high stability controller LM556-U3 and the resistor R10 is connected with the capacitor C9, the other end of the capacitor C9 is connected with the ground, the 3 pin of the high stability controller LM556-U3 is connected with the capacitor C5, the node between the 4 pin of the high stability controller LM556-U1 and the 10 pin is connected with the capacitor C7, the other end of the variable resistor VR4 is connected with the diode D8, and the node between the anode of the high stability controller LM556-U3 is connected with the other end of the capacitor C8 and the node between the anode electrode of the capacitor C4 and the capacitor C11 is connected with the ground; the first relay control circuit comprises a resistor R2, a resistor R5, a diode D4, a diode D3, a diode D5, an electrolytic capacitor EC3, a variable resistor VR3 and an NPN triode Q1, wherein the resistor R5 and the resistor R2 are connected in series with the 8 pin of the high stability controller LM556-U3, the other end of the resistor R2 is connected with +5V, the 9 pin of the high stability controller LM556-U3 is connected with the variable resistor VR3, the other end of the variable resistor VR3 is grounded at a node between the other end of the variable resistor VR and the base of the NPN triode Q1, the 12 pin of the high stability controller LM556-U3 is connected with the cathode of the diode D4, the node between the anode of the diode D4 and the anode of the diode D3 is connected with the electrolytic capacitor EC3, the other end of the electrolytic capacitor EC3 is grounded, the 13 pin of the high stability controller LM556-U3 is connected with the anode of the diode D3, the emitter of the NPN triode Q1 is grounded, the triode Q1 is connected with the diode D5, and the collector of the diode D5 is connected with the cathode of the triode Q5.
The beneficial effects of the invention are as follows: 1. the frequency of tone is adjusted by controlling the sweep setting circuit, so that the sounding alarm is more obvious.
2. And prompting whether the equipment works or not by the light of the power indicator lamp.
Drawings
Fig. 1 is a circuit block diagram of the present invention.
Fig. 2 is a schematic circuit diagram of the present invention.
In the above figures: 1: power supply circuit, 2: power indicator lamp, 3: first power supply circuit, 4: reference pulse generator circuit, 5: humidity-sensitive capacitance, 6: monostable delay circuit, 7: first potentiometer, 8: second potentiometer, 9: first detection comparison circuit, 10: sweep frequency setting circuit, 11: first comparison amplifying circuit, 12: first relay control circuit, 13: acoustic alarm circuit, 14: dehumidifier, 15: and a speaker.
Detailed Description
The present invention now will be described more fully hereinafter with reference to the accompanying drawings, in which currently preferred embodiments of the invention are shown. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
Example 1
The utility model provides a LED lamp pearl storage control alarm circuit, as shown in figure 1, including power supply circuit 1, power indicator 2, first power supply circuit 3, reference pulse generator circuit 4, humidity-sensitive capacitor 5, monostable delay circuit 6, first potentiometre 7, second potentiometre 8, first comparison amplifier circuit 11, first relay control circuit 12 and dehumidifier 14, first power supply circuit 3 output and reference pulse generator circuit 4 input are connected, reference pulse generator circuit 4 input and first potentiometre 7 output are connected, reference pulse generator circuit 4 output and monostable delay circuit 6 input are connected, monostable delay circuit 6 input and humidity-sensitive capacitor 5 output are connected, monostable delay circuit 6 output and first detection comparator circuit 9 input are connected, first detection comparator circuit 9 output and first comparison amplifier circuit 11 input are connected, first comparison amplifier circuit 11 input and second potentiometre 8 output are connected, first comparison amplifier circuit 11 output and first comparator circuit 12, monostable delay circuit 6 input and first comparator circuit 12, the input of dehumidifier 7 input is connected to the reference pulse generator circuit 6, the monostable delay circuit 6 input is connected, first comparator circuit 1, the input of monostable delay circuit 6 input is connected with first detection comparator circuit 9 input.
When people open the packaging box for storing the LED lamp beads, unused LED lamp beads can be placed in the equipment, then a power supply is turned on, so that the power supply indicator lamp 2 is lightened, then the pulse of the reference pulse generator circuit 4 can be regulated through the first potentiometer 7, the pulse is regulated to be about 7.7K, the rated humidity is regulated through the second potentiometer 8, the power supply circuit 1 controls the first power supply circuit 3 to work, the first power supply circuit 3 controls the reference pulse generator circuit 4 to work, the reference pulse generator circuit 4 controls the monostable delay circuit 6 to work, the pulse can be generated between the reference pulse generator circuit 4 and the monostable delay circuit 6, the generated pulse is detected through the first detection comparison circuit 9, when the detected pulse reaches about 7.7K, the humidity generated by the LED lamp beads is received by the humidity-sensitive capacitor 5, the humidity generated by the humidity-sensitive capacitor 5 is compared with the humidity set on the first comparison amplification circuit 11, if the humidity reaches, the first comparison amplification circuit 11 controls the first comparison amplification circuit 12 to control the first comparison circuit 12 to stop the first dehumidifier, the rated dehumidifier is controlled by the first comparison amplification circuit 12 to stop the dehumidifier, and the LED lamp 14 stops working when the rated dehumidifier is stopped, and the rated dehumidifier is not controlled by the dehumidifier 2.
The power supply circuit 1 supplies power for the acoustic alarm circuit 13 and the loudspeaker 15.
If the humidity of the LED lamp beads is too high, or the humidity of the LED lamp beads does not drop for a long time, or the dehumidifier 14 suddenly stops working, the first comparison amplifying circuit 11 controls the audible alarm circuit 13 to work, and at this time, the speaker 15 sends out alarm sounds, the sounds are two tone colors, one high sound and one low sound, and the rule of the sounds is that the high tone color and the low tone color are emitted alternately.
The frequency sweep setting circuit 10 is further included, the input end of the audible alarm circuit 13 is connected with the output end of the frequency sweep setting circuit 10, and the power supply circuit 1 supplies power for the frequency sweep setting circuit 10.
The frequency of the tone can be adjusted by the sweep setting circuit 10, which can make the audible alarm more obvious.
Example 2
On the basis of embodiment 1, as shown in fig. 1-2, the first power supply circuit 3 includes a three-terminal voltage-stabilizing integrated circuit LM7805, a resistor R1, a light emitting diode VD1, an electrolytic capacitor EC1, a capacitor C2, and an electrolytic capacitor EC2, the three-terminal voltage-stabilizing integrated circuit LM7805 is connected in parallel with the electrolytic capacitor EC1, the capacitor C2, and the electrolytic capacitor EC2, a node between the other ends of the three-terminal voltage-stabilizing integrated circuit LM7805, the electrolytic capacitor EC1, the capacitor C2, and the electrolytic capacitor EC2 is grounded, a node between the resistor R1 and the electrolytic capacitor EC1 is connected with +12v, the other end of the resistor R1 is connected with the anode of the light emitting diode VD1, and the cathode of the light emitting diode VD1 is grounded.
The reference pulse generator circuit 4 comprises a capacitor C3, a capacitor C6, a resistor R11 and a variable resistor VR2, wherein one end of the resistor R11 is connected with the fixed end of the variable resistor VR2, the other end of the resistor R11 is connected with the capacitor C3, and a node between the other end of the capacitor C3 and one end of the capacitor C6 is grounded.
The monostable time delay circuit 6 comprises a high stability controller LM556-U2, a resistor R9, a capacitor C8, a diode D7, a resistor R8 and a capacitor C4, wherein a node between a 1 pin and a 2 pin of the high stability controller LM556-U2 is connected with the capacitor C3, a 3 pin of the high stability controller LM556-U2 is connected with the capacitor C6, a node between a 4 pin, a 14 pin and a 10 pin of the high stability controller LM556-U2 is connected with +5V, a 5 pin of the high stability controller LM556-U2 is connected with one end of a variable resistor VR2, a 7 pin of the high stability controller LM556-U2 is grounded, an 8 pin of the high stability controller LM556-U2 is connected with a diode D7 anode, a cathode of the diode D7 is connected with the resistor R9 and the capacitor C8 in series, the other end of the capacitor C8 is connected with the variable resistor VR2, a node between the capacitor C8 and the diode D7 is connected with the resistor R9, a node between the other end of the resistor R9 and the resistor R8 is connected with one end of the variable resistor VR2, and the other end of the resistor 3 is connected with the other end of the resistor C4, and the other end of the resistor is connected with the resistor 3, and the other end of the resistor 3 is connected with the resistor 3.
The first detection comparison circuit 9 comprises a diode D1, a diode D6, a diode D2, a resistor R4, a resistor R6, a variable resistor VR1, a resistor R3 and a capacitor C7, wherein the 9 pin of the high stability controller LM556-U2 is connected with the cathode of the diode D1, the node between the variable resistor VR2 and the capacitor C8 is connected with the cathode of the diode D6, the node between the anode of the diode D6 and the anode of the diode D1 is connected with the diode D2, the node between the anode of the diode D1 and the anode of the diode D2 is connected with the resistor R4, the cathode of the diode D2 is connected with the resistor R6, the other end of the resistor R6 is connected with the variable resistor VR1, and the other end of the resistor R4 is connected with +5V.
The first comparison amplifying circuit 11 comprises a variable resistor VR5, a resistor R14, a resistor R12, a resistor R13, a resistor R15, a capacitor C10, a capacitor C11 and an operational amplifier LM393A, wherein the 2 pin of the operational amplifier LM393A is connected with the resistor R15, the other end of the resistor R15 is connected with the capacitor C11 and the resistor R14 in series, the other end of the capacitor C11 is grounded, the other end of the resistor R14 is connected with the variable resistor VR5, the fixed end of the variable resistor VR5 is connected with a diode D7, the other end of the variable resistor VR5 is grounded, the 3 pin of the operational amplifier LM393A is connected with the resistor R13 and the resistor R12 in series, the node capacitor C10 between the resistor R13 and the resistor R12 is grounded, the other end of the capacitor C10 is connected with the variable resistor VR1, the 4 pin of the operational amplifier LM393A is grounded, and the 8 pin of the operational amplifier LM393A is grounded at +12v.
The first relay control circuit 12 comprises a light emitting diode VD2, a resistor R16, a diode D9, a resistor R17, a relay RL1, an NPN triode Q2 and an AC220V, a 1 pin of the operational amplifier LM393A and the resistor R17, the other end of the resistor R17 is connected with a base electrode of the NPN triode Q2, an emitter of the NPN triode Q2 is grounded, a node between a collector of the NPN triode Q2 and a coil of the relay RL1 is connected with an anode of the diode D9, an anode of the diode D9 is connected with the resistor R16, the other end of the resistor R16 is connected with a cathode of the light emitting diode VD2, a node between the anode of the light emitting diode VD2, the cathode of the diode D9 and the coil of the relay RL1 is connected with +12v, a COM end of the relay RL1 is connected with an L end of the AC220V, an NC end of the relay RL1 is connected with the dehumidifier 14, and the other end of the dehumidifier 14 is connected with an N end of the AC 220V.
When people open the packaging box for storing the LED lamp beads, the unused LED lamp beads can be placed in the device, then the LED VD1 is enabled to be lightened by opening a power supply, the three-terminal voltage stabilizing integrated circuit LM7805 outputs a high level to the 14 pins of the high-stability controller LM556-U2, the pulse of the pulse generator circuit can be regulated according to the variable resistor VR2 and the resistor R11, then a humidity signal generated by the humidity sensitive capacitor 5 is sent to the high-stability controller LM556-U2, then the 10 pins of the high-stability controller LM556-U2 output a low level, the 8 pins of the operational amplifier 393A output a low level, the LED VD2 is enabled to be lightened, the relay RL1 is closed VD, the dehumidifier 14 works, the LED lamp beads can be dehumidified, the power supply is disconnected when the LED lamp beads are not used, the LED VD1 and the LED lamp beads are extinguished, the relay RL1 is disconnected, and the dehumidifier 14 stops working.
The sweep setting circuit 10 comprises a resistor R7, a resistor R10, a capacitor C9, a variable resistor VR4, a diode D8, an electrolytic capacitor EC4, a capacitor C5 and a high stability controller LM556-U3, wherein the resistor R7 and the resistor R10 are connected in series with the 1 pin of the high stability controller LM556-U3, the other end of the resistor R7 is connected with the 14 pin of the high stability controller LM556-U3 by +5V, the node between the 2 pin of the high stability controller LM556-U3 and the resistor R10 is connected with the capacitor C9, the other end of the capacitor C9 is grounded, the 3 pin of the high stability controller LM556-U3 is connected with the capacitor C5, the other end of the capacitor C5 is grounded, the node between the 4 pin of the high stability controller LM556-U1 and the 10 pin is connected with the capacitor C7, the 5 pin of the high stability controller LM556-U3 is connected with the variable resistor VR4, the other end of the variable resistor VR4 is connected with the diode D8, and the other end of the diode D8 is connected with the electrolytic capacitor EC 11.
The first relay control circuit 12 comprises a resistor R2, a resistor R5, a diode D4, a diode D3, a diode D5, an electrolytic capacitor EC3, a variable resistor VR3 and an NPN type triode Q1, wherein the resistor R5 and the resistor R2 are connected in series with the 8 pin of the high stability controller LM556-U3, the other end of the resistor R2 is connected with +5V, the 9 pin of the high stability controller LM556-U3 is connected with the variable resistor VR3, the other end of the variable resistor VR3 is grounded with a node between the base electrode of the NPN type triode Q1, the 12 pin of the high stability controller LM556-U3 is connected with the cathode of the diode D4, the node between the anode of the diode D4 and the anode of the diode D3 is connected with the electrolytic capacitor EC3, the other end of the electrolytic capacitor EC3 is grounded, the 13 pin of the high stability controller LM556-U3 is connected with the anode of the diode D3, the emitter of the NPN type triode Q1 is grounded, the diode Q1 is connected with the diode D5, and the collector electrode of the diode D5 is connected with the diode D5.
The person can adjust the size of the sound by adjusting the variable resistor VR4 so that the 13 pins of the high stability controller LM556-U3 output a low level so that the speaker 15 sounds an alarm if no electrolytic capacitor EC4 exists, the sound is only alternate in high and low tones, and if the electrolytic capacitor EC4 exists, the tone of the sound can be adjusted by more than 2 kinds.
While the present invention has been described in detail with reference to the above embodiments, it will be apparent to those skilled in the art from this disclosure that various changes or modifications can be made therein without departing from the spirit and scope of the invention as defined in the following claims. Accordingly, the detailed description of the disclosed embodiments is to be taken only by way of illustration and not by way of limitation, and the scope of protection is defined by the content of the claims.
Claims (1)
1. The utility model provides a LED lamp pearl storage control alarm circuit, its characterized in that, including power supply circuit (1), power pilot lamp (2), first power supply circuit (3), reference pulse generator circuit (4), wet-sensing capacitor (5), monostable delay circuit (6), first potentiometre (7), second potentiometre (8), first comparison amplifier circuit (11), first relay control circuit (12) and dehumidifier (14), the output of first power supply circuit (3) is connected with reference pulse generator circuit (4) input, reference pulse generator circuit (4) input and first potentiometre (7) output are connected, reference pulse generator circuit (4) output and monostable delay circuit (6) input are connected, monostable delay circuit (6) input and wet-sensing capacitor (5) output are connected, monostable delay circuit (6) output and first detection comparison circuit (9) input are connected, first detection comparison circuit (9) output and first comparison amplifier circuit (11) input are connected, first comparison circuit (11) input and first comparison circuit (11) input are connected, the output end of the first relay control circuit (12) is connected with the input end of the dehumidifier (14), and the power supply circuit (1) is used for supplying power to the power supply indicator lamp (2), the first power supply circuit (3), the reference pulse generator circuit (4), the humidity-sensitive capacitor (5), the monostable delay circuit (6), the first potentiometer (7), the second potentiometer (8), the first comparison amplifying circuit (11), the first relay control circuit (12) and the dehumidifier (14); the power supply circuit (1) supplies power for the acoustic alarm circuit (13) and the loudspeaker (15); the device also comprises a frequency sweep setting circuit (10), wherein the input end of the audible alarm circuit (13) is connected with the output end of the frequency sweep setting circuit (10), and the power supply circuit (1) supplies power for the frequency sweep setting circuit (10); the first power supply circuit (3) comprises a three-terminal voltage-stabilizing integrated circuit LM7805, a resistor R1, a light-emitting diode VD1, an electrolytic capacitor EC1, a capacitor C2 and an electrolytic capacitor EC2, wherein the three-terminal voltage-stabilizing integrated circuit LM7805 is connected with the electrolytic capacitor EC1, the capacitor C2 and the electrolytic capacitor EC2 in parallel, a node between the other ends of the three-terminal voltage-stabilizing integrated circuit LM7805, the electrolytic capacitor EC1, the capacitor C2 and the electrolytic capacitor EC2 is grounded, a node between the resistor R1 and the electrolytic capacitor EC1 is connected with +12V, the other end of the resistor R1 is connected with the anode of the light-emitting diode VD1, and the cathode of the light-emitting diode VD1 is grounded; the reference pulse generator circuit (4) comprises a capacitor C3, a capacitor C6, a resistor R11 and a variable resistor VR2, wherein one end of the resistor R11 is connected with the fixed end of the variable resistor VR2, the other end of the resistor R11 is connected with the capacitor C3, and a node between the other end of the capacitor C3 and one end of the capacitor C6 is grounded; the monostable time delay circuit (6) comprises a high-stability controller LM556-U2, a resistor R9, a capacitor C8, a diode D7, a resistor R8 and a capacitor C4, wherein a node between a 1 pin and a 2 pin of the high-stability controller LM556-U2 is connected with the capacitor C3, a 3 pin of the high-stability controller LM556-U2 is connected with the capacitor C6, a node between a 4 pin, a 14 pin and a 10 pin of the high-stability controller LM556-U2 is connected with +5V, a 5 pin of the high-stability controller LM556-U2 is connected with one end of a variable resistor VR2, a 7 pin of the high-stability controller LM556-U2 is grounded, an 8 pin of the high-stability controller LM556-U2 is connected with an anode of a diode D7, a cathode of the diode D7 is connected with the resistor R9 and the capacitor C8 in series, the other end of the capacitor C8 is connected with the variable resistor VR2, a node between the capacitor C8 and the diode D7 is connected with the resistor R9, a node between the other end of the high-stability controller LM556-U2 and the other end of the resistor R8 is connected with the other end of the resistor 3-U2, and the other end of the high-stability controller LM 2 is connected with the resistor 3-U2, and the other end of the resistor 3 is connected with the high-resistor 3, and the high-stability controller 3, and the resistor is connected with the resistor 3; the first detection comparison circuit (9) comprises a diode D1, a diode D6, a diode D2, a resistor R4, a resistor R6, a variable resistor VR1, a resistor R3 and a capacitor C7, wherein the 9 pin of the high-stability controller LM556-U2 is connected with the cathode of the diode D1, the node between the variable resistor VR2 and the capacitor C8 is connected with the cathode of the diode D6, the node between the anode of the diode D6 and the anode of the diode D1 is connected with the diode D2, the node between the anode of the diode D1 and the anode of the diode D2 is connected with the resistor R4, the cathode of the diode D2 is connected with the resistor R6, the other end of the resistor R6 is connected with the variable resistor VR1, and the other end of the resistor R4 is connected with +5V; the first comparison amplifying circuit (11) comprises a variable resistor VR5, a resistor R14, a resistor R12, a resistor R13, a resistor R15, a capacitor C10, a capacitor C11 and an operational amplifier LM393A, wherein the 2 pin of the operational amplifier LM393A is connected with the resistor R15, the other end of the resistor R15 is connected with the capacitor C11 and the resistor R14 in series, the other end of the capacitor C11 is grounded, the other end of the resistor R14 is connected with the variable resistor VR5, the fixed end of the variable resistor VR5 is connected with a diode D7, the other end of the variable resistor VR5 is grounded, the 3 pin of the operational amplifier LM393A is connected with the resistor R13 and the resistor R12 in series, the node capacitor C10 between the resistor R13 and the resistor R12 is grounded, the other end of the capacitor C10 is connected with the variable resistor VR1, the 4 pin of the operational amplifier LM393A is grounded, and the 8 pin of the operational amplifier LM393A is grounded by +12V. The first relay control circuit (12) comprises a light emitting diode VD2, a resistor R16, a diode D9, a resistor R17, a relay RL1, an NPN triode Q2Q2 and an AC220V, wherein a 1 pin of the operational amplifier LM393A and the resistor R17 are connected with a base electrode of the NPN triode Q2Q2, an emitter electrode of the NPN triode Q2Q2 is grounded, a node between a collector electrode of the NPN triode Q2Q2 and a coil of the relay RL1 is connected with an anode of the diode D9, an anode of the diode D9 is connected with the resistor R16, the other end of the resistor R16 is connected with a cathode of the light emitting diode VD2, a node between the anode of the light emitting diode VD2, the cathode of the diode D9 and a coil of the relay RL1 is connected with +12V, a COM end of the relay RL1 is connected with an L end of the AC220V, a NC end of the relay RL1 is connected with a dehumidifier (14), and the other end of the dehumidifier (14) is connected with a N end of the AC 220V; the sweep setting circuit (10) comprises a resistor R7, a resistor R10, a capacitor C9, a variable resistor VR4, a diode D8, an electrolytic capacitor EC4, a capacitor C5 and a high stability controller LM556-U3, wherein the resistor R7 and the resistor R10 are connected in series with the 1 pin of the high stability controller LM556-U3, the other end of the resistor R7 is connected with the 14 pin of the high stability controller LM556-U3 by +5V, the node between the 2 pin of the high stability controller LM556-U3 and the resistor R10 is connected with the capacitor C9, the other end of the capacitor C9 is grounded, the 3 pin of the high stability controller LM556-U3 is connected with the capacitor C5, the node between the 4 pin of the high stability controller LM556-U1 and the 10 pin is connected with the capacitor C7, the 5 pin of the high stability controller LM556-U3 is connected with the variable resistor VR4, the other end of the variable resistor VR4 is connected with the cathode of the diode D8, the other end of the capacitor C9 is grounded, the node between the 3 pin of the high stability controller LM556-U1 and the electrolytic capacitor EC4 is connected with the other end of the capacitor C11; the first relay control circuit (12) comprises a resistor R2, a resistor R5, a diode D4, a diode D3, a diode D5, an electrolytic capacitor EC3, a variable resistor VR3 and an NPN triode Q1, wherein the resistor R5 and the resistor R2 are connected in series with the 8 pin of the high stability controller LM556-U3, the other end of the resistor R2 is connected with +5V, the 9 pin of the high stability controller LM556-U3 is connected with the variable resistor VR3, the other end of the variable resistor VR3 is grounded with a node between the base of the NPN triode Q1, the 12 pin of the high stability controller LM556-U3 is connected with the cathode of the diode D4, the node between the anode of the diode D4 and the anode of the diode D3 is connected with the electrolytic capacitor EC3, the other end of the electrolytic capacitor EC3 is grounded, the 13 pin of the high stability controller LM556-U3 is connected with the anode of the diode D3, the emitter of the NPN triode Q1 is grounded, the NPN triode Q1 is connected with the diode D5, and the collector of the diode D5 is connected with the diode D5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110979672.1A CN113838253B (en) | 2021-08-25 | 2021-08-25 | LED lamp pearl storage control alarm circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110979672.1A CN113838253B (en) | 2021-08-25 | 2021-08-25 | LED lamp pearl storage control alarm circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113838253A CN113838253A (en) | 2021-12-24 |
| CN113838253B true CN113838253B (en) | 2023-08-08 |
Family
ID=78961244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110979672.1A Active CN113838253B (en) | 2021-08-25 | 2021-08-25 | LED lamp pearl storage control alarm circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113838253B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2025021A (en) * | 1978-06-30 | 1980-01-16 | Licentia Gmbh | Laundry Drier |
| CN205334351U (en) * | 2016-01-08 | 2016-06-22 | 三峡大学 | Automatic dampproofing heat sink of desktop computer host computer |
| CN206560616U (en) * | 2017-01-03 | 2017-10-17 | 深圳星蓝德工程顾问有限公司 | Build pipe-line system |
| CN107748366A (en) * | 2017-11-06 | 2018-03-02 | 杨欣 | Motor in electric automobile and back axle concentricity testing device |
| CN108158725A (en) * | 2017-12-18 | 2018-06-15 | 季梅 | A kind of paper diaper immersion intelligent monitoring circuit |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020008935A1 (en) * | 2018-07-04 | 2020-01-09 | 株式会社村田製作所 | Humidity sensor, and rfid tag comprising same |
-
2021
- 2021-08-25 CN CN202110979672.1A patent/CN113838253B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2025021A (en) * | 1978-06-30 | 1980-01-16 | Licentia Gmbh | Laundry Drier |
| CN205334351U (en) * | 2016-01-08 | 2016-06-22 | 三峡大学 | Automatic dampproofing heat sink of desktop computer host computer |
| CN206560616U (en) * | 2017-01-03 | 2017-10-17 | 深圳星蓝德工程顾问有限公司 | Build pipe-line system |
| CN107748366A (en) * | 2017-11-06 | 2018-03-02 | 杨欣 | Motor in electric automobile and back axle concentricity testing device |
| CN108158725A (en) * | 2017-12-18 | 2018-06-15 | 季梅 | A kind of paper diaper immersion intelligent monitoring circuit |
Non-Patent Citations (1)
| Title |
|---|
| 简介一种通信报警器电路;龚晓江;张俊华;;科技风(22);12 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113838253A (en) | 2021-12-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA1183232A (en) | Emergency device employing programmable vocal warning commands | |
| US7633232B2 (en) | Electronic candle and method of use | |
| US9189929B2 (en) | Supplemental alert generation device | |
| US8242899B2 (en) | Supplemental alert generation device for retrofit applications | |
| CN103210701B (en) | Electronic display device | |
| JP2006235780A (en) | Fire alarm for residences | |
| CN113838253B (en) | LED lamp pearl storage control alarm circuit | |
| CN205486612U (en) | Domestic intelligent speech control fire control monitored control system | |
| CN111642040B (en) | Method for controlling LED lamp by intelligent sound box | |
| JP2002304683A (en) | Battery type co alarm | |
| CN205486626U (en) | Fire control safety precaution system | |
| CN212569975U (en) | Intelligent building comprehensive wiring automatic control system | |
| CN109240106A (en) | A kind of exhibition room interaction central control system | |
| CN1125833A (en) | Air conditioner with speech sound device | |
| CN1313806C (en) | Apparatus and method for indicating residual air capacity in respiratory apparatus | |
| JPH0241596U (en) | ||
| CN203838846U (en) | Alarm circuit for preventing fire | |
| CN216217403U (en) | Novel view audio amplifier equipment | |
| CN213518548U (en) | Infrared intelligent alarm | |
| CN207732916U (en) | A kind of innervation lamp light loudspeaker box | |
| CN217844229U (en) | Novel air purifier | |
| CN220207798U (en) | Circuit system fault alarm circuit | |
| CN204634087U (en) | A kind of acousto-optic LED illumination lamp circuit | |
| JP4076299B2 (en) | Alarm | |
| CN209373757U (en) | A kind of appliance fire alarm system integral box |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20230712 Address after: 3rd Floor, No. 9 Yiheng Street, Yongxing East Road, Baiyun District, Guangzhou City, Guangdong Province, 510000 Applicant after: GUANGZHOU WEN 'AO TECHNOLOGY Co.,Ltd. Address before: 518126 Room 201, floor 2, building 16, zone 3, Yongfeng community, Xixiang street, Bao'an District, Shenzhen, Guangdong Province Applicant before: Shen Bingxu |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |