CN213907008U

CN213907008U - Power distribution cabinet with energy-saving photosensitive voice-operated switch circuit

Info

Publication number: CN213907008U
Application number: CN202022055875.5U
Authority: CN
Inventors: 周瑾; 吴国军; 殷俊秋; 凌湘
Original assignee: Jiangsu Huazhou Electric Co ltd
Current assignee: Jiangsu Huazhou Electric Co ltd
Priority date: 2020-09-18
Filing date: 2020-09-18
Publication date: 2021-08-06
Anticipated expiration: 2030-09-18

Abstract

The utility model discloses a power distribution cabinet with an energy-saving photosensitive voice-operated switch circuit in the field of power distribution cabinet manufacturing, which comprises a cabinet body, wherein a capacitor microphone is arranged in the cabinet body, the capacitor microphone is connected with a voice-operated amplifying and rectifying circuit, the voice-operated amplifying and rectifying circuit is connected with a monostable controllable photoelectric trigger circuit, the monostable controllable photoelectric trigger circuit is connected with a relay control circuit, and the relay control circuit is connected with a lighting lamp through a voltage reduction and rectifying circuit; external sound signals are converted into electric signals through the capacitor microphone, the electric signals are amplified through the voice control amplification rectifying circuit, the on-off of the relay control circuit is controlled through the monostable controllable photoelectric trigger circuit, the opening and closing of the illuminating lamp are further controlled, the voltage stability of the illuminating lamp can be ensured through the buck rectifying belt circuit, the service life is prolonged, the safety is improved, the opening and closing of the illuminating lamp can be realized through the combination of light control and voice control, the use is convenient, and energy and power are saved.

Description

Power distribution cabinet with energy-saving photosensitive voice-operated switch circuit

Technical Field

The utility model relates to a power distribution cabinet.

Background

The distribution cabinet (case) is a final-stage device of a distribution system and is divided into a power distribution cabinet (case), a lighting distribution cabinet (case) and a metering cabinet (case). The power distribution cabinet is a general name of a motor control center. The power distribution cabinet is used in the occasions with dispersed loads and less loops; the motor control center is used for occasions with concentrated loads and more loops. They distribute the power of a certain circuit of the upper-level distribution equipment to the nearby loads. This level of equipment should provide protection, monitoring and control of the load. Under the general condition, can set up the light in the outdoor switch board, especially in the dark back, if do not have the light, hardly overhaul the switch board. However, in the prior art, the control of the illuminating lamp usually adopts the control of a common switch, so that under the condition of dim light, especially after dark, the switch is not easy to find, the maintenance is finished simultaneously, the switch needs to be closed, and the cabinet door is closed in case of darkness, which is very inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a take energy-conserving photosensitive acoustic control switch circuit's switch board can realize opening and closing of light, convenient to use through light-operated and acoustic control combination to energy-conserving power saving.

In order to achieve the above object, the utility model provides a take energy-conserving photosensitive acoustic control switch circuit's switch board, the intelligent cabinet temperature adjusting device comprises a cabinet body, the internal condenser microphone that is provided with of cabinet, condenser microphone links to each other with acoustic control amplification and rectification circuit, acoustic control amplification and rectification circuit links to each other with the controllable photoelectric trigger circuit of monostable, the controllable photoelectric trigger circuit of monostable links to each other with relay control circuit, relay control circuit is connected with the light through voltage reduction and rectification circuit.

Compared with the prior art, the beneficial effects of the utility model reside in that, wear to change into the signal of telecommunication with external sound signal through the condenser microphone, the signal of telecommunication is after acoustic control amplification rectifier circuit with signal amplification, the break-make of controlling relay control circuit through the controllable photoelectric trigger circuit of monostable, and then opening and closing of control light, and can ensure light voltage stability through step-down rectifier area circuit, increase of service life improves the security, can realize opening and closing of light through light-operated and acoustic control combination, convenient to use, and energy-saving and power saving, the utility model discloses can be used to the outdoor lighting switch board.

As a further improvement of the present invention, the voice-controlled amplifying and rectifying circuit includes a triode VT1, the base of the triode VT1 is connected to the negative electrode of a capacitor C1, the positive electrode of the capacitor C1 is connected to a capacitor microphone, the capacitor microphone is connected to the emitter of the triode VT1 through a resistor R1, the base of the triode VT1 is connected to the capacitor microphone through a resistor R2, the collector of the triode VT1 is connected to a resistor R3 and a capacitor C2, the resistor R3 is connected to a resistor R2 and a resistor R5, the capacitor C2 is connected to the No. 2 interface of the amplifier through a resistor R4, the No. 3 interface of the amplifier is connected to a resistor R5, the No. 2 interface of the amplifier is connected to the No. 6 interface of the amplifier through a resistor R7, the No. 6 interface of the amplifier is connected to the monostable control photoelectric trigger circuit, so that the microphone converts the voice signal into an electric signal, the sound signal is amplified by the triode VT1, then is amplified by the amplifier, and outputs negative level after the signal is compared, so as to provide trigger signal for the steady-state controllable photoelectric trigger circuit.

As a further improvement of the present invention, the monostable controllable photoelectric trigger circuit includes a 555 time-base circuit chip IC2, the interface 2 of the 555 time-base circuit chip IC2 is connected to the interface 6 of the amplifier, the interface 7 and the interface 6 of the 555 time-base circuit chip IC2 are connected, the interface 7 of the 555 time-base circuit chip IC2 is connected to the positive electrode of a capacitor C3, the negative electrode of the capacitor C3 is connected to the interface 4 of the amplifier and a resistor R6, the resistor R6 is connected to the interface 3 of the amplifier, the interface 6 of the 555 time-base circuit chip IC2 is connected to a resistor R8, the resistor R8 is connected to the interface 7 of the amplifier, a resistor R9 is connected between the interface 8 and the interface 4 of the 555 time-base circuit chip IC2, the resistor R9 is connected to the collector of a triode VT2, the emitter of the triode 2 is connected to a capacitor C4, the capacitor C4 is connected with a No. 5 interface of a 555 time-base circuit chip IC2, a No. 1 interface of the 555 time-base circuit chip IC2 is connected with the capacitor C3 and the capacitor C4 respectively, a base electrode of the triode VT2 is connected with an emitter of a phototriode VT3, a collector electrode of the phototriode VT3 is connected with a No. 8 interface of the 555 time-base circuit chip IC2 through a resistor R10, and the No. 1 interface of the 555 time-base circuit chip IC2 is connected with a relay control circuit, so that the day light is strong, after a cabinet door is opened, the light irradiates into the cabinet body, the VT3 is in a low-resistance state, the VT2 is in saturated conduction, the potential of the collector electrode 555, namely the No. 4 interface of the time-base circuit chip IC2 is about 0.3V, so that the 555 time-base circuit chip IC2 is in a wallpaper reset state, and at this time, the trigger state of the 555 time-base circuit chip IC2 is in spite of the low level; after light is dim or dark, VT3 is high resistance state or off state, and VT2 is stopped this moment, and then 555 time base circuit chip IC 2's No. 4 interface is the high potential, is in and treats the trigger state, has sent sound when opening the cabinet door, and then the condenser microphone sends electrical signal, makes relay control circuit switch on finally for the light is opened.

As a further improvement of the utility model, relay control circuit includes relay K, relay K and the parallelly connected setting of diode D1, relay K's one end links to each other with resistance R10, relay K's the other end links to each other with triode VT 4's collecting electrode, triode VT 4's base links to each other through resistance R11 and 555 time base circuit chip IC 2's No. 3 interface, triode VT 4's transmitting stage links to each other with electric capacity C4 and electric capacity C5 respectively, electric capacity C5's positive pole links to each other with diode D1's negative pole, diode D1's negative pole links to each other with step-down rectifier circuit, the light links to each other with the normally open contact K1-1 of relay, has the sound signal to trigger like this for VT4 switches on, and relay K's electronic work, its open contact will be connected with the light of alternating current electricity for the light is opened.

As a further improvement of the present invention, the voltage drop rectification circuit includes a three-terminal regulator, a first interface of the three-terminal regulator is connected to a negative electrode of the diode D1, a second interface of the three-terminal regulator is connected to a positive electrode of the rectifier, a third interface of the three-terminal regulator is connected to a negative electrode of the capacitor 5 and a negative electrode of the capacitor C6, respectively, a positive electrode of the capacitor C6 is connected to a positive electrode of the ballast, a negative electrode of the rectifier is connected to a negative electrode of the capacitor C6, an ac terminal of the rectifier is connected to the resistor R12 and the capacitor C7 which are arranged in parallel, so that 9V voltage is output as a power source by the three-terminal regulator, and simultaneously, C6 is used as a voltage reduction capacitor, the withstand voltage of which is not lower than 400V, and by connecting the resistors R12 and the capacitors R7 in parallel, the passage of limited current is passed, and the charge is quickly discharged through the resistor R12 when the power is cut off, the safety is improved.

Drawings

Fig. 1 is an internal circuit diagram of the present invention.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

the power distribution cabinet with the energy-saving photosensitive voice-operated switch circuit shown in fig. 1 comprises a cabinet body, wherein a capacitance microphone is arranged in the cabinet body, the capacitance microphone is connected with a voice-operated amplifying and rectifying circuit, the voice-operated amplifying and rectifying circuit is connected with a monostable controllable photoelectric trigger circuit, the monostable controllable photoelectric trigger circuit is connected with a relay control circuit, and the relay control circuit is connected with an illuminating lamp through a voltage reduction and rectifying circuit; the voice control amplification rectifying circuit comprises a triode VT1, the base of the triode VT1 is connected with the negative electrode of a capacitor C1, the positive electrode of the capacitor C1 is connected with a capacitor microphone, the capacitor microphone is connected with the emitting stage of the triode VT1 through a resistor R1, the base of the triode VT1 is connected with the capacitor microphone through a resistor R2, the collector of the triode VT1 is respectively connected with a resistor R3 and a capacitor C2, the resistor R3 is respectively connected with the resistor R2 and a resistor R5, the capacitor C2 is connected with the interface No. 2 of the amplifier through a resistor R4, the interface No. 3 of the amplifier is connected with a resistor R5, the interface No. 2 of the amplifier is connected with the interface No. 6 of the amplifier through a resistor R7, and the interface No. 6 of the amplifier is connected with a monostable controllable photoelectric trigger circuit; the monostable controllable photoelectric trigger circuit comprises a 555 time-base circuit chip IC2, wherein an interface 2 of the 555 time-base circuit chip IC2 is connected with an interface 6 of an amplifier, an interface 7 and an interface 6 of the 555 time-base circuit chip IC2 are connected, an interface 7 of the 555 time-base circuit chip IC2 is connected with a positive electrode of a capacitor C3, a negative electrode of the capacitor C3 is respectively connected with an interface 4 of the amplifier and a resistor R6, the resistor R6 is connected with an interface 3 of the amplifier, an interface 6 of the 555 time-base circuit chip IC2 is connected with a resistor R8, the resistor R8 is connected with the interface 7 of the amplifier, a resistor R9 is connected between an interface 8 and an interface 4 of the 555 time-base circuit chip IC2, a resistor R9 is connected with a collector of a triode VT2, an emitter of the triode VT2 is connected with a capacitor C4, and the capacitor C4 is connected with an interface 5 of the 555 time-base circuit chip IC2, the No. 1 interface of the 555 time-base circuit chip IC2 is respectively connected with a capacitor C3 and a capacitor C4, the base electrode of the triode VT2 is connected with the emitter of the phototriode VT3, the collector electrode of the phototriode VT3 is connected with the No. 8 interface of the 555 time-base circuit chip IC2 through a resistor R10, and the No. 1 interface of the 555 time-base circuit chip IC2 is connected with a relay control circuit; the relay control circuit comprises a relay K, the relay K is connected with a diode D1 in parallel, one end of the relay K is connected with a resistor R10, the other end of the relay K is connected with a collector of a triode VT4, a base electrode of the triode VT4 is connected with a No. 3 interface of a 555 time-base circuit chip IC2 through a resistor R11, an emitting stage of the triode VT4 is respectively connected with a capacitor C4 and a capacitor C5, an anode of the capacitor C5 is connected with a cathode of a diode D1, a cathode of the diode D1 is connected with a step-down rectifying circuit, and the illuminating lamp is connected with a normally-open contact K1-1 of the relay; the voltage drop rectifying circuit comprises a three-terminal voltage stabilizer, a first interface of the three-terminal voltage stabilizer is connected with a negative electrode of a diode D1, a second interface of the three-terminal voltage stabilizer is connected with a positive electrode of a rectifier, a third interface of the three-terminal voltage stabilizer is respectively connected with a negative electrode of a capacitor 5 and a negative electrode of a capacitor C6, a positive electrode of a capacitor C6 is connected with a positive electrode of the ballast, a negative electrode of the rectifier is connected with a negative electrode of a capacitor C6, and an alternating current end of the rectifier is connected with a resistor R12 and a capacitor C7 which are arranged in parallel and an illuminating lamp.

In the utility model, in daytime, the cabinet door is opened, because the illumination intensity is high, VT3 is the low resistance state, VT2 saturation switches on, and the electric potential of its collecting electrode, that is, No. 4 interface of 555 time base circuit chip is about 0.3V for 555 time base circuit chip is in the compulsory reset state, no matter what the trigger state of 555 time base circuit chip is the electric level this moment, the output of 555 time base circuit chip is always the low level; when the cabinet is dark, the cabinet door is opened, the external light is dark, VT3 is in a high-resistance state or a cut-off state, VT2 is in a cut-off state, No. 4 interface of 555 time-base circuit chip is high potential and is in a state to be triggered, the cabinet body is knocked to send out larger sound after the cabinet door is opened, the capacitor microphone receives sound signals and converts the sound signals into electric signals, the electric signals are amplified by VT1 and then are added to an amplifier for amplification and comparison, the negative level trigger signal is output by the 555 time-base circuit chip, the 555 time-base circuit chip is triggered and outputs signals to enable VT4 to be switched on, further, the relay K is electrically operated, a normally open contact K1-1 of the relay K is switched on with a lighting lamp connected with an alternating current power supply, the interior of the power distribution cabinet is illuminated, and the maintenance is convenient. The length of the lighting time depends on the product of the resistor R8 and the capacitor C3, the lighting time is 1.1R 8C 3, and the power-on time can be changed by changing the values of the resistor R8 and the capacitor C3. After the overhaul is finished, the cabinet door is closed, the illuminating lamp is triggered without new sound after the electrifying time is up, the relay is disconnected after power is lost, and the illuminating lamp is closed. Under the condition that the cabinet door is closed, the amplification proportion is adjusted, so that larger sound can be used as a trigger signal, and the lighting lamp cannot be turned on as long as the capacitor microphone is not triggered by the larger sound although light in the cabinet body is weak.

The utility model discloses can realize opening and closing of light, convenient to use through light-operated and acoustic control combination to energy-conserving power saving.

The present invention is not limited to the above embodiments, and based on the technical solutions of the present disclosure, those skilled in the art can make some substitutions and transformations to some technical features without creative labor according to the disclosed technical contents, and these substitutions and transformations are all within the protection scope of the present invention.

Claims

1. The utility model provides a take energy-conserving photosensitive acoustic control switch circuit's switch board, includes the cabinet body, its characterized in that: the intelligent lighting cabinet is characterized in that a capacitor microphone is arranged in the cabinet body and connected with a voice control amplification and rectification circuit, the voice control amplification and rectification circuit is connected with a monostable controllable photoelectric trigger circuit, the monostable controllable photoelectric trigger circuit is connected with a relay control circuit, and the relay control circuit is connected with a lighting lamp through a voltage reduction and rectification circuit.

2. The power distribution cabinet with the energy-saving photosensitive voice-operated switch circuit according to claim 1, characterized in that: the voice control amplification rectifying circuit comprises a triode VT1, the base of the triode VT1 is connected with the negative electrode of a capacitor C1, the positive electrode of the capacitor C1 is connected with a capacitor microphone, the capacitor microphone is connected with the emitting stage of the triode VT1 through a resistor R1, the base of the triode VT1 is connected with the capacitor microphone through a resistor R2, the collector of the triode VT1 is respectively connected with a resistor R3 and a capacitor C2, a resistor R3 is respectively connected with the resistor R2 and a resistor R5, the capacitor C2 is connected with the No. 2 interface of an amplifier through a resistor R4, the No. 3 interface of the amplifier is connected with a resistor R5, the No. 2 interface of the amplifier is connected with the No. 6 interface of the amplifier through a resistor R7, and the No. 6 interface of the amplifier is connected with a monostable controllable photoelectric trigger circuit.

3. The power distribution cabinet with the energy-saving photosensitive voice-operated switch circuit according to claim 2, characterized in that: the monostable controllable photoelectric trigger circuit comprises a 555 time-base circuit chip IC2, wherein an interface 2 of the 555 time-base circuit chip IC2 is connected with an interface 6 of an amplifier, an interface 7 and an interface 6 of the 555 time-base circuit chip IC2 are connected, an interface 7 of the 555 time-base circuit chip IC2 is connected with a positive electrode of a capacitor C3, a negative electrode of the capacitor C3 is respectively connected with an interface 4 of the amplifier and a resistor R6, the resistor R6 is connected with an interface 3 of the amplifier, an interface 6 of the 555 time-base circuit chip IC2 is connected with a resistor R8, the resistor R8 is connected with the interface 7 of the amplifier, a resistor R9 is connected between an interface 8 and an interface 4 of the 555 time-base circuit chip IC2, a resistor R9 is connected with a collector of a triode VT2, an emitter of the triode VT2 is connected with a capacitor C4, and the capacitor C4 is connected with an interface 5 of the 555 time-base circuit chip IC2, the interface 1 of the 555 time-base circuit chip IC2 is respectively connected with a capacitor C3 and a capacitor C4, the base electrode of the triode VT2 is connected with the emitter of the phototriode VT3, the collector electrode of the phototriode VT3 is connected with the interface 8 of the 555 time-base circuit chip IC2 through a resistor R10, and the interface 1 of the 555 time-base circuit chip IC2 is connected with a relay control circuit.

4. The power distribution cabinet with the energy-saving photosensitive voice-operated switch circuit according to claim 3, characterized in that: the relay control circuit comprises a relay K, the relay K is connected with a diode D1 in parallel, one end of the relay K is connected with a resistor R10, the other end of the relay K is connected with a collector of a triode VT4, a base of the triode VT4 is connected with a No. 3 interface of a 555 time-base circuit chip IC2 through a resistor R11, an emitting stage of the triode VT4 is connected with a capacitor C4 and a capacitor C5 respectively, a positive electrode of the capacitor C5 is connected with a negative electrode of the diode D1, a negative electrode of the diode D1 is connected with a step-down rectification circuit, and a lighting lamp is connected with a normally-open contact K1-1 of the relay.

5. The switch board of claim 4, characterized by that: the voltage reduction rectification circuit comprises a three-terminal voltage stabilizer, a first interface of the three-terminal voltage stabilizer is connected with a negative electrode of a diode D1, a second interface of the three-terminal voltage stabilizer is connected with a positive electrode of a rectifier, a third interface of the three-terminal voltage stabilizer is respectively connected with a negative electrode of a capacitor 5 and a negative electrode of a capacitor C6, a positive electrode of a capacitor C6 is connected with a positive electrode of the ballast, a negative electrode of the rectifier is connected with a negative electrode of a capacitor C6, and an alternating current end of the rectifier is connected with a resistor R12 and a capacitor C7 which are arranged in parallel and an illuminating lamp.