CN203813173U - An adapter socket with fire and smoke alarm and power-off function - Google Patents

Abstract

The utility model relates to an adapter socket with fire and smoke alarm and power-off functions, which belongs to the technical field of electronic control. The utility model comprises an AC-DC voltage stabilizing module, a temperature smoke monitor, an OR gate circuit, and an alarm breaker; the AC-DC voltage stabilizing module is connected with the temperature smoke monitor, and the other end of the temperature smoke monitor is connected with the OR gate circuit The other end of the OR gate circuit is connected with the alarm breaker. The utility model can real-time monitor the temperature exceeding the limit and the smoke caused by the high temperature reaching the ignition point in the electrified state, and send out an alarm signal through the sound and light, and at the same time, the relay is disconnected from the power supply to avoid the occurrence of safety accidents; The volume of the socket is small, the smoke monitoring is sensitive and convenient, and the fault alarm display is intuitive; the complicated wiring between the power line and the electrical appliance is avoided, so that the connection is simple, the replacement is convenient, the operation is simple, and the use is convenient.

Description

An adapter socket with fire and smoke alarm and power-off function

technical field

The utility model relates to an adapter socket with fire and smoke alarm and power-off functions, which belongs to the technical field of electronic control.

Background technique

At present, civilian electrical appliances and power supply are all connected by power cords with plugs and jacks, and have been promoted. However, after a long time, the jack becomes loose, and the jack and the plug are not in good contact, resulting in a large contact resistance and heating; and the place where the power cord is close to the plug and the jack is due to long-term bending and aging of the outer sheath of the wire. The copper wire inside the wire is disconnected, causing the wire point to be in poor contact and generating heat. As a result, there are relatively large potential safety hazards in the electrical appliances, which will not only damage the electrical appliances, but even cause fires. Therefore, the utility model relates to an adapter socket with fire and smoke alarm and power-off functions.

Contents of the invention

The technical problem to be solved by the utility model is: the utility model provides an adapter socket with fire and smoke alarm and power-off functions, which has the function of temperature and smoke monitoring, alarm and power-off, and avoids potential safety hazards caused by contact resistance heating; convenient Transfer, small size, high practicability, low cost.

The technical scheme of the utility model is: an adapter socket with fire and smoke alarm and power-off functions, including an AC-DC voltage regulator module 1, a temperature smoke monitor 2, an OR circuit 3, and an alarm breaker 4; The AC-DC voltage stabilizing module 1 is connected with the temperature smoke monitor 2, the other end of the temperature smoke monitor 2 is connected with the OR gate circuit 3, and the other end of the OR gate circuit 3 is connected with the alarm breaker 4, and the AC-DC stabilizer Pressure module 1 is an LED power supply module, temperature smoke detector 2 includes comparator circuit Ⅰ and comparator circuit Ⅱ, comparator circuit Ⅰ includes resistor R1, thermistor RT, sliding rheostat R2, resistor R3, and operation amplifier U1, The comparator circuit II includes a smoke sensor M, a resistor R4, a sliding rheostat R5, a resistor R6, and an operational amplifier U2. One end of the resistor R1 and one end of the sliding rheostat R2 are connected to the positive pole of the power supply, and the other end of the resistor R1 is respectively connected to the thermistor RT. One end is connected to the non-inverting input end of the operational amplifier U1, the other end of the sliding rheostat R2 is respectively connected to one end of the resistor R3 and the inverting input end of the operational amplifier U1, and the other end of the thermistor RT is connected to the other end of the resistor R4 in parallel. To the ground, the H1 terminal of the smoke sensor M is connected to the positive pole of the power supply, and the H2 terminal is grounded. The A terminal of the smoke sensor M is connected to one end of the sliding rheostat R5 and connected to the positive pole of the power supply. terminal, one end of resistor R4, the other end of sliding rheostat R5 is respectively connected to the inverting input terminal of operational amplifier U2, and one end of resistor R6, and the other end of resistor R4 is connected to the other end of resistor R6 and grounded, or gate Circuit 3 includes a resistor R7, a diode D1, and a diode D2; the output terminal of the operational amplifier U1 is connected to the anode of the diode D2, the output terminal of the operational amplifier U2 is connected to the positive pole of the diode D1, and the negative pole of the diode D1 is connected to the negative pole of the diode D2. The resistor R7 is connected to the negative pole of the power supply, and the alarm breaker 4 includes a resistor R8, a resistor R9, a light-emitting diode D3, a transistor Q1, a diode D4, a buzzer B, a transistor Q2, a diode D5, and a relay K; the bases of the transistor Q1 and the transistor Q2 Connect the negative poles of diode D1 and diode D2 through resistor R8, one end of resistor R9 is connected to the negative pole of diode D4, the positive pole of buzzer B is connected to the positive pole of the power supply, the other end of resistor R9 is connected to the positive pole of light-emitting diode D3, and the light-emitting diode D3 The negative pole of the diode D4, the negative pole of the buzzer B are all connected to the collector of the transistor Q1, and the emitter of the transistor Q1 is grounded; the negative pole of the diode D5 is connected to one end of the relay K and connected to the positive pole of the power supply, and the other end of the relay K One end, the anode of the diode D5 is connected to the collector of the triode Q2, the emitter of the triode Q2 is grounded, and one end of the normally closed switch of the relay K is connected to the live line L1. the

The AC-DC voltage stabilizing module 1 is located at the bottom of the adapter socket with fire and smoke alarm and power-off functions, and the temperature and smoke monitor 2 is located at the adapter socket with fire and smoke alarm and power-off functions. The upper left end position in the socket, the OR gate circuit 3 is located in the upper middle position of the adapter socket with fire and smoke alarm and power-off functions, and the alarm breaker 4 is located in the transfer socket with fire and smoke alarm and power-off functions. The upper right position inside the socket.

The appearance design of the adapter socket of the utility model can be shown in Fig. 2-7. The adapter socket is a cuboid adapter socket of 65mm (length) * 30mm (width) * 32mm (height), and the left end has a female head 6 (plug ), the buzzer placement port 5 with a radius of 6mm, the LED placement port 7 with a radius of 3mm, the male plug 9 (jack) at the right end, and the smoke sensor placement port 8 with a radius of 10mm.

L and N in Figure 1 are respectively connected to L and N in Figure 5 (female), L1 and N1 in Figure 1 are respectively connected to L and N in Figure 4 (male), L is the live wire jack, and N is the neutral wire The jack and E are the ground wire jack. The simple schematic diagram of the internal installation of the utility model is shown in Figure 2. The smoke sensor M with a radius of 10mm is placed at position 8 in Figure 3, and the buzzer B with a radius of 6mm is placed in Figure 3 In position 5, the light-emitting diode D3 with a radius of 3mm is placed in position 7 in Figure 3, and the insulating thermistor is fixed on the metal sheet of the female head 6 at the left end of the adapter socket.

The working principle of the utility model circuit is: as shown in Figure 4, the adapter socket is connected between the plug of the power supply connection line 10 and the jack of the electrical equipment 12, and specifically connects the jack of the power supply line to the left end female of the adapter socket. The head 6 (plug) is connected, the male head 9 (jack) of the right end of the adapter socket is connected to the plug of the electrical equipment 12, and the insulating thermistor RT is fixed on the metal sheet of the adapter socket, as shown in Figure 1. , when the temperature changes, the resistance value of the thermistor RT changes, so that a voltage difference is generated between the non-inverting input terminal of the operational amplifier U1 and the inverting input terminal of the operational amplifier U1 (resistors R1, R2, R3 and thermistor RT The voltage difference generated by the unbalanced bridge formed), and then compared by the operational amplifier U1, the obtained voltage signal is sent to the OR gate circuit 3; at the same time, when the temperature is too high to reach the ignition point and smoke is generated, the smoke sensor M The internal resistance changes, so that a voltage difference is generated between the non-inverting input terminal of the operational amplifier U2 and the inverting input terminal of the operational amplifier U2 (the voltage difference generated by the unbalanced bridge composed of resistors R4, R5, R6 and M), and then calculated Amplifier U2 compares and sends the obtained voltage signal to OR gate circuit 3; OR gate circuit 3 conducts triode Q1 according to the obtained signal and makes light-emitting diode D3 flash and buzzer B issues an alarm, and at the same time makes triode Q2 conduct and The normally closed contact of the relay K is disconnected, so that the power is cut off in the energized state.

The beneficial effects of the utility model are:

1. It can constantly monitor the heating and smoke conditions in the power-on state, and send out sound and light alarms and cut off the power supply at the same time;

2. In the energized state, the relay is disconnected from the power supply to avoid safety accidents and eliminate safety hazards in time;

3. Small size, less space occupied;

4. It can be directly connected through the adapter socket, avoiding complicated wiring between the power connection line and the electrical equipment, easy to operate, practical and convenient;

5. The fault alarm display is intuitive, and the replacement and maintenance are simple.

Description of drawings

Fig. 1 is a schematic circuit diagram of the utility model;

Fig. 2 is a simple schematic diagram of internal installation of the utility model;

Fig. 3 is a schematic diagram of a simple structure of the appearance of the utility model;

Fig. 4 is a schematic diagram of connection of the utility model;

Fig. 5 is a schematic diagram of the simple structure of the appearance of Embodiment 3 of the utility model;

Fig. 6 is a left view of the third male head of the utility model embodiment;

Fig. 7 is the right view of the female head of Embodiment 3 of the present utility model.

The labels in Figure 1-4: 1-AC-DC replacement module, 2-temperature smoke detector, 3-OR circuit, 4-alarm breaker, 5-buzzer B placement port, 6-female , 7-light-emitting diode D1 placement port, 8-smoke sensor M placement port, 9-male head, 10-power connection line, 11-transfer socket, 12-electrical equipment.

Detailed ways

Below in conjunction with accompanying drawing and specific embodiment, the utility model is described further.

Embodiment 1: As shown in Fig. 1, Fig. 3 and Fig. 4, an adapter socket with fire and smoke alarm and power-off function, including AC-DC voltage regulator module 1, temperature and smoke monitor 2, or gate circuit 3. Alarm breaker 4; the AC-DC voltage regulator module 1 is connected to the temperature smoke monitor 2, the other end of the temperature smoke monitor 2 is connected to the OR gate circuit 3, and the other end of the OR gate circuit 3 is connected to the alarm breaker 4 connections, the AC-DC voltage regulator module 1 is an LED power supply module, the temperature smoke monitor 2 includes a comparator circuit I, a comparator circuit II, and the comparator circuit I includes a resistor R1, a thermistor RT, a sliding rheostat R2, Resistor R3, operational amplifier U1, comparator circuit II includes smoke sensor M, resistor R4, sliding rheostat R5, resistor R6, operational amplifier U2, one end of resistor R1 and one end of sliding rheostat R2 are connected to the positive pole of the power supply, and the end of resistor R1 The other end is respectively connected with one end of the thermistor RT and the non-inverting input end of the operational amplifier U1, the other end of the sliding rheostat R2 is respectively connected with one end of the resistor R3 and the inverting input end of the operational amplifier U1, and the other end of the thermistor RT is Connect with the other end of the resistor R4 and connect to the ground. The H1 terminal of the smoke sensor M is connected to the positive pole of the power supply, and the H2 terminal is grounded. The A terminal of the smoke sensor M is connected to one end of the sliding rheostat R5 and connected to the positive pole of the power supply. The other end of the sliding rheostat R5 is respectively connected to the inverting input end of the operational amplifier U2 and one end of the resistor R6, and the other end of the resistor R4 is connected to the other end of the resistor R6. One end is connected and grounded, and the OR gate circuit 3 includes a resistor R7, a diode D1, and a diode D2; the output terminal of the operational amplifier U1 is connected with the anode of the diode D2, the output terminal of the operational amplifier U2 is connected with the positive pole of the diode D1, and the output terminal of the operational amplifier U1 is connected with the anode of the diode D1. The negative pole is connected to the negative pole of the diode D2 and connected to the negative pole of the power supply through the resistor R7. The alarm breaker 4 includes a resistor R8, a resistor R9, a light-emitting diode D3, a transistor Q1, a diode D4, a buzzer B, a transistor Q2, a diode D5, and a relay K ; The bases of transistor Q1 and transistor Q2 are connected to the cathodes of diode D1 and diode D2 via resistor R8, one end of resistor R9 is connected to the cathode of diode D4, and the anode of buzzer B is connected to the positive pole of the power supply, and the other end of resistor R9 is connected to the light emitting diode The anode of the diode D3 is connected, the cathode of the light-emitting diode D3, the anode of the diode D4, and the cathode of the buzzer B are all connected to the collector of the transistor Q1, and the emitter of the transistor Q1 is grounded; the cathode of the diode D5 is connected to one end of the relay K and Connect to the positive pole of the power supply, the other end of the relay K and the positive pole of the diode D5 are connected to the collector of the transistor Q2, the emitter of the transistor Q2 is grounded, and one end of the normally closed switch of the relay K is connected to the live wire L1. the

Embodiment 2: As shown in Figure 1-4, an adapter socket with fire and smoke alarm and power-off function, including AC-DC voltage regulator module 1, temperature smoke monitor 2, OR gate circuit 3, alarm off Electrical appliance 4; the AC-DC voltage stabilizing module 1 is connected to the temperature smoke monitor 2, the other end of the temperature smoke monitor 2 is connected to the OR gate circuit 3, and the other end of the OR gate circuit 3 is connected to the alarm breaker 4, so The above-mentioned AC-DC voltage regulator module 1 is an LED power supply module, and the temperature smoke monitor 2 includes comparator circuit I and comparator circuit II. Comparator circuit I includes resistor R1, thermistor RT, sliding rheostat R2, resistor R3, and operation Amplifier U1 and comparator circuit II include smoke sensor M, resistor R4, sliding rheostat R5, resistor R6, and operational amplifier U2. One end of resistor R1 and one end of sliding rheostat R2 are connected to the positive pole of the power supply, and the other end of resistor R1 is connected to One end of the thermistor RT is connected to the non-inverting input end of the operational amplifier U1, the other end of the sliding rheostat R2 is respectively connected to one end of the resistor R3 and the inverting input end of the operational amplifier U1, and the other end of the thermistor RT is connected to the inverting input end of the operational amplifier U1. The other end is connected to the ground, the H1 terminal of the smoke sensor M is connected to the positive pole of the power supply, and the H2 terminal is grounded. The A terminal of the smoke sensor M is connected to one end of the sliding rheostat R5 and connected to the positive pole of the power supply. The non-inverting input terminal of the amplifier U2 is connected to one end of the resistor R4, the other end of the sliding rheostat R5 is respectively connected to the inverting input terminal of the operational amplifier U2 and one end of the resistor R6, and the other end of the resistor R4 is connected to the other end of the resistor R6 in parallel. To the ground, the OR gate circuit 3 includes a resistor R7, a diode D1, and a diode D2; the output terminal of the operational amplifier U1 is connected to the anode of the diode D2, the output terminal of the operational amplifier U2 is connected to the positive pole of the diode D1, and the negative pole of the diode D1 is connected to the anode of the diode D2 connected to the negative pole of the power supply and connected to the negative pole of the power supply through the resistor R7, the alarm breaker 4 includes a resistor R8, a resistor R9, a light-emitting diode D3, a triode Q1, a diode D4, a buzzer B, a triode Q2, a diode D5, and a relay K; the triode Q1, The base of the transistor Q2 is connected to the cathodes of the diode D1 and the diode D2 through the resistor R8, one end of the resistor R9 is connected to the cathode of the diode D4, and the anode of the buzzer B is connected to the positive pole of the power supply, and the other end of the resistor R9 is connected to the anode of the light-emitting diode D3 Connection, the negative pole of the light-emitting diode D3, the positive pole of the diode D4, and the negative pole of the buzzer B are all connected to the collector of the transistor Q1, and the emitter of the transistor Q1 is grounded; the negative pole of the diode D5 is connected to one end of the relay K and connected to the positive pole of the power supply , the other end of the relay K and the anode of the diode D5 are connected to the collector of the transistor Q2, the emitter of the transistor Q2 is grounded, and one end of the normally closed switch of the relay K is connected to the live wire L1. the

The AC-DC voltage stabilizing module 1 is located at the bottom of the adapter socket with fire and smoke alarm and power-off functions, and the temperature and smoke monitor 2 is located at the adapter socket with fire and smoke alarm and power-off functions. The upper left end position in the socket, the OR gate circuit 3 is located in the upper middle position of the adapter socket with fire and smoke alarm and power-off functions, and the alarm breaker 4 is located in the transfer socket with fire and smoke alarm and power-off functions. The upper right end position in the socket, and the installation position relationship diagram are shown in Figure 2.

Embodiment 3: As shown in Figure 1-7, an adapter socket with fire and smoke alarm and power-off function, including AC-DC voltage regulator module 1, temperature smoke monitor 2, OR gate circuit 3, alarm cut-off Electrical appliance 4; the AC-DC voltage stabilizing module 1 is connected to the temperature smoke monitor 2, the other end of the temperature smoke monitor 2 is connected to the OR gate circuit 3, and the other end of the OR gate circuit 3 is connected to the alarm breaker 4, so The above-mentioned AC-DC voltage regulator module 1 is an LED power supply module, and the temperature smoke monitor 2 includes comparator circuit I and comparator circuit II. Comparator circuit I includes resistor R1, thermistor RT, sliding rheostat R2, resistor R3, and operation Amplifier U1 and comparator circuit II include smoke sensor M, resistor R4, sliding rheostat R5, resistor R6, and operational amplifier U2. One end of resistor R1 and one end of sliding rheostat R2 are connected to the positive pole of the power supply, and the other end of resistor R1 is connected to One end of the thermistor RT is connected to the non-inverting input end of the operational amplifier U1, the other end of the sliding rheostat R2 is respectively connected to one end of the resistor R3 and the inverting input end of the operational amplifier U1, and the other end of the thermistor RT is connected to the inverting input end of the operational amplifier U1. The other end is connected to the ground, the H1 terminal of the smoke sensor M is connected to the positive pole of the power supply, and the H2 terminal is grounded. The A terminal of the smoke sensor M is connected to one end of the sliding rheostat R5 and connected to the positive pole of the power supply. The non-inverting input terminal of the amplifier U2 is connected to one end of the resistor R4, the other end of the sliding rheostat R5 is respectively connected to the inverting input terminal of the operational amplifier U2 and one end of the resistor R6, and the other end of the resistor R4 is connected to the other end of the resistor R6 in parallel. To the ground, the OR gate circuit 3 includes a resistor R7, a diode D1, and a diode D2; the output terminal of the operational amplifier U1 is connected to the anode of the diode D2, the output terminal of the operational amplifier U2 is connected to the positive pole of the diode D1, and the negative pole of the diode D1 is connected to the anode of the diode D2 connected to the negative pole of the power supply and connected to the negative pole of the power supply through the resistor R7, the alarm breaker 4 includes a resistor R8, a resistor R9, a light-emitting diode D3, a triode Q1, a diode D4, a buzzer B, a triode Q2, a diode D5, and a relay K; the triode Q1, The base of the transistor Q2 is connected to the cathodes of the diode D1 and the diode D2 through the resistor R8, one end of the resistor R9 is connected to the cathode of the diode D4, and the anode of the buzzer B is connected to the positive pole of the power supply, and the other end of the resistor R9 is connected to the anode of the light-emitting diode D3 Connection, the negative pole of the light-emitting diode D3, the positive pole of the diode D4, and the negative pole of the buzzer B are all connected to the collector of the transistor Q1, and the emitter of the transistor Q1 is grounded; the negative pole of the diode D5 is connected to one end of the relay K and connected to the positive pole of the power supply , the other end of the relay K and the anode of the diode D5 are connected to the collector of the transistor Q2, the emitter of the transistor Q2 is grounded, and one end of the normally closed switch of the relay K is connected to the live wire L1. the

The AC-DC voltage stabilizing module 1 is located at the bottom of the adapter socket with fire and smoke alarm and power-off functions, and the temperature and smoke monitor 2 is located at the adapter socket with fire and smoke alarm and power-off functions. The upper left end position in the socket, the OR gate circuit 3 is located in the upper middle position of the adapter socket with fire and smoke alarm and power-off functions, and the alarm breaker 4 is located in the transfer socket with fire and smoke alarm and power-off functions. The upper right end position in the socket, and the installation position relationship diagram are shown in Figure 2.

More specifically, the appearance design of the adapter socket of the present utility model can be shown in Figure 3-7. The adapter socket is a cuboid adapter socket of 65mm (length) * 30mm (width) * 32mm (height), with a female head on the left end 6 (plug), the buzzer placement port 5 with a radius of 6mm, the LED placement port 7 with a radius of 3mm, the male plug 9 (jack) at the right end, and the smoke sensor placement port 8 with a radius of 10mm.

L and N in Figure 1 are respectively connected to L and N in Figure 7 (female), L1 and N1 in Figure 1 are respectively connected to L and N in Figure 6 (male), L is the live wire jack, and N is the neutral wire The jack and E are the ground wire jack. The simple schematic diagram of the internal installation of the utility model is shown in Figure 2. The smoke sensor M with a radius of 10mm is placed at position 8 in Figure 3, and the buzzer B with a radius of 6mm is placed in Figure 3 In position 5, the light-emitting diode D3 with a radius of 3mm is placed in position 7 in Figure 3, and the insulating thermistor is fixed on the metal sheet of the female head 6 at the left end of the adapter socket.

As shown in Figure 6 and Figure 7, the external dimensions of the left view of the adapter socket male head are 17.5mm (length)*10mm (width)*15mm (height), and the jack size is 9mm (length)*3mm (width)* 6mm (height); the external dimension of the right view of the adapter socket (female) is 17.5mm (length) * 10mm (width) * 15mm (height), the plug size is 9mm (length) * 3mm (width) * 6mm (height) ).

The specific embodiments of the utility model have been described in detail above in conjunction with the accompanying drawings, but the utility model is not limited to the above-mentioned embodiments. Various changes are made.

Claims (2)

1. An adapter socket with fire and smoke alarm and power-off functions, characterized in that it includes an AC-DC voltage regulator module (1), a temperature smoke detector (2), an OR gate circuit (3), an alarm cut-off electrical appliance (4); the AC-DC voltage stabilizing module (1) is connected to the temperature smoke detector (2), the other end of the temperature smoke detector (2) is connected to the OR circuit (3), and the OR circuit (3 ) is connected to the alarm breaker (4), the AC-DC voltage regulator module (1) is an LED power supply module, and the temperature smoke detector (2) includes a comparator circuit I, a comparator circuit II, and a comparator circuit Ⅰ includes resistor R1, thermistor RT, sliding rheostat R2, resistor R3, operational amplifier U1, comparator circuit Ⅱ includes smoke sensor M, resistor R4, sliding rheostat R5, resistor R6, operational amplifier U2, and one end of resistor R1 One end of the sliding rheostat R2 is connected to the positive pole of the power supply, the other end of the resistor R1 is respectively connected to one end of the thermistor RT and the non-inverting input end of the operational amplifier U1, and the other end of the sliding rheostat R2 is respectively connected to one end of the resistor R3 and the operational amplifier U1 The other end of the thermistor RT is connected to the other end of the resistor R4 and grounded, the H1 end of the smoke sensor M is connected to the positive pole of the power supply, the H2 end is grounded, the A end of the smoke sensor M is connected to the sliding rheostat R5 One end of the sliding rheostat R5 is respectively connected to the inverting input end of the operational amplifier U2 and the resistor R6. One end of the resistor R4 is connected to the other end of the resistor R6 and connected to the ground. The OR circuit (3) includes a resistor R7, a diode D1, and a diode D2; the output end of the operational amplifier U1 is connected to the anode of the diode D2. The output terminal of the operational amplifier U2 is connected to the positive pole of the diode D1, the negative pole of the diode D1 is connected to the negative pole of the diode D2 and connected to the negative pole of the power supply through the resistor R7, and the alarm breaker (4) includes a resistor R8, a resistor R9, a light-emitting diode D3, and a triode Q1, diode D4, buzzer B, transistor Q2, diode D5, relay K; the bases of transistor Q1 and transistor Q2 are connected to the cathodes of diode D1 and diode D2 through resistor R8, and one end of resistor R9 is connected to the cathode of diode D4, The positive pole of the buzzer B is connected to the positive pole of the power supply, the other end of the resistor R9 is connected to the positive pole of the light-emitting diode D3, the negative pole of the light-emitting diode D3, the positive pole of the diode D4, and the negative pole of the buzzer B are all connected to the collector of the transistor Q1. The emitter of the triode Q1 is grounded; the negative pole of the diode D5 is connected to one end of the relay K and connected to the positive pole of the power supply, the other end of the relay K and the positive pole of the diode D5 are connected to the collector of the triode Q2, the emitter of the triode Q2 is grounded, and the relay K One end of the normally closed switch is connected to the live wire L1. 2. The adapter socket with fire and smoke alarm and power-off function according to claim 1, characterized in that: the AC-DC voltage stabilization module (1) is located in the fire and smoke alarm and power-off function The bottom position of the adapter socket with the function, the temperature smoke detector (2) is located at the upper left end of the adapter socket with fire and smoke alarm and power-off function, and the OR gate circuit (3) is located at the fire and smoke alarm The upper middle position of the transfer socket with alarm and power-off function, and the alarm breaker (4) is located at the upper right position in the transfer socket with fire and smoke alarm and power-off function.