CN217932879U - Intelligent electrical monitoring system for building - Google Patents
Intelligent electrical monitoring system for building Download PDFInfo
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- CN217932879U CN217932879U CN202222193067.4U CN202222193067U CN217932879U CN 217932879 U CN217932879 U CN 217932879U CN 202222193067 U CN202222193067 U CN 202222193067U CN 217932879 U CN217932879 U CN 217932879U
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Abstract
The utility model relates to an electrical monitoring technology field provides an intelligent electrical monitoring system for building, including electrical fire monitored control system, electrical fire monitored control system is including the control trigger circuit and the warning circuit that connect gradually, control trigger circuit is including detecting polar plate, resistance R1, field effect transistor U1, zener diode D1, resistance R3, triode Q1, resistance R2 and relay K, it is used for detecting flame to detect the polar plate. Through above-mentioned technical scheme, solved among the prior art at the intensive region of building electric circuit can't carry out the real time monitoring of conflagration, when taking place small-size conflagration, can't in time remind the resident to cut off the power supply and fight a fire, can lead to the intensity of a fire to enlarge and stretch the problem of burning out building house.
Description
Technical Field
The utility model relates to an electrical monitoring technology field, it is specific, relate to an intelligent electrical monitoring system for building.
Background
Along with the use of various electrical appliances, the electrical circuits in the building are more, and the electrical monitoring system is used for monitoring common faults such as disconnection, short circuit, grounding, overheating and the like in real time, so that the electricity utilization safety is ensured to a great extent. During the peak period of electricity utilization, the load of the lead is increased and the temperature of the lead is suddenly increased, so that the insulating layer of the lead is ignited, and nearby combustible substances are combusted, thereby causing fire.
The electric fire is just electric spark at the initial stage, if can not in time remind the resident to cut off the power supply and fight off the fire, can lead to the intensity of a fire to expand and spread and burn out the building house.
SUMMERY OF THE UTILITY MODEL
The utility model provides an intelligent electrical monitoring system for building has solved among the prior art that electric fire is the electric spark when the initial stage, if can not in time remind the resident to cut off the power supply fire fighting, can lead to the intensity of a fire to enlarge the problem of stretching building house and burning out.
The technical scheme of the utility model as follows:
an intelligent electrical monitoring system for a building comprises an electrical fire monitoring system, wherein the electrical fire monitoring system comprises a monitoring trigger circuit and an alarm circuit which are sequentially connected,
the monitoring trigger circuit comprises a detection polar plate, a resistor R1, a field effect tube U1, a voltage stabilizing diode D1, a resistor R3, a triode Q1, a resistor R2 and a relay K, wherein the detection polar plate is used for detecting flame, a first electrode end of the detection polar plate is connected with a power supply VCC, a second electrode end of the detection polar plate is connected with the ground of the resistor R1, a second electrode end of the detection polar plate is connected with a grid electrode of the field effect tube U1, a drain electrode of the field effect tube U1 is connected with the power supply VCC, a source electrode of the field effect tube U1 is connected with the ground of the resistor R2, a source electrode of the field effect tube U1 is connected with a cathode of the voltage stabilizing diode D1, an anode of the voltage stabilizing diode D1 is connected with a first end of the resistor R3, a second end of the resistor R3 is connected with a base electrode of the triode Q1, an emitting electrode of the triode Q1 is connected with the ground, a collector electrode of the relay Q1 is connected with a first end of the relay K coil, the other end of the relay K coil is connected with the power supply VCC, a first end of a normally open contact, and a second end of the relay K contact is connected with an input end of the alarm circuit.
As a further technical solution, the alarm circuit includes a unijunction transistor Q7, a resistor R4, a resistor R5, a resistor R6, a capacitor C2, a capacitor C4, a capacitor C5, a resistor R8, a diode D2, a resistor R7, a triode Q2, a triode Q3, and an alarm U3, wherein a second end of the normally open contact of the relay K is connected to a first end of the resistor R4, a second end of the resistor R4 is connected to a first base of the unijunction transistor Q7, a second base of the unijunction transistor Q7 is grounded through the resistor R5, an emitter of the unijunction transistor Q7 is connected to an anode of the diode D2, an emitter of the unijunction transistor Q7 is connected to a power supply through the resistor R6, an emitter of the unijunction transistor Q7 is grounded through the capacitor C2, a cathode of the diode D2 is connected to a first end of the resistor R7, a second end of the resistor R7 is connected to a base of the triode Q2, an emitter of the triode Q2 is grounded, a collector of the triode Q2 is connected to a collector of the triode Q3, a second end of the alarm K is connected to a second base of the capacitor C3, and a collector of the second end of the alarm K is connected to a second base of the triode C3, the resistor R3 is connected to a ground, and a collector of the resistor R3 is connected to a second end of the resistor C3, and a second end of the resistor R3 is connected to a second end of the resistor C3, the resistor C3 is connected to a ground, and a second end of the resistor C3, the alarm U3 is connected to a second end of the resistor C3.
As a further technical solution, the system further comprises a leakage protector monitoring system, wherein the leakage protector monitoring system comprises:
the mechanical fault detection circuit is used for detecting the contact action of a release in the leakage protector;
the power supply function detection circuit is used for detecting a power supply of a release in the electric leakage protector;
the output end of a release coil in the leakage protector is connected with the mechanical fault detection circuit, and a power supply of the leakage protector is connected with the input end of the power supply function detection circuit.
As a further technical solution, the mechanical fault detection circuit includes a diode D3, a diode D4, a resistor R13, a resistor R14, a resistor R15, a voltage detection chip U4, a counter U5, a dial switch S1, and a transistor Q6, an output end of a trip coil in the earth leakage protector is connected to an anode of the diode D3, a cathode of the diode D3 is connected to an anode of the diode D4, a cathode of the diode D4 is connected to a first end of the resistor R13, a second end of the resistor R13 is grounded, the first end of the resistor R13 is connected to a power supply end of the voltage detection chip U4 through the resistor R14, an output end of the voltage detection chip U4 is connected to a clock input terminal CLK of the counter U5 through the resistor R15, an output end of the counter U5 is connected to the dial switch S1, an output end of the dial switch S1 is connected to a base of the transistor Q6, an emitter of the transistor Q6 is grounded, and a collector of the transistor Q6 is connected to an indication circuit.
As a further technical solution, the power function detection circuit includes a resistor R11 and a transistor Q5, a power supply of the leakage protector is connected to a first end of the resistor R11, a second end of the resistor R11 is connected to a base of the transistor Q5, an emitter of the transistor Q5 is connected to a collector of the transistor Q6, and a collector of the transistor Q5 is connected to an emitter of the transistor Q6.
As a further technical solution, the indicating circuit includes a light emitting diode LED1, a light emitting diode LED2 and a resistor R12, a power supply of a release in the earth leakage protector is connected to a first end of the resistor R12, a second end of the resistor R12 is connected to an anode of the light emitting diode LED2, a cathode of the light emitting diode LED2 is grounded, a second end of the resistor R12 is connected to an anode of the light emitting diode LED1, and a cathode of the light emitting diode LED1 is connected to a collector of the triode Q6.
The utility model discloses a theory of operation and beneficial effect do:
the utility model discloses in, when the electric circuit of building conflagration breaks out, the high temperature that flame produced can make the gaseous emergence ionization between two plate electrodes of detection polar plate, two polar plates of detection polar plate are electrically conductive, field effect tube U1's grid voltage rises, the electric current grow between drain electrode and the source electrode, resistance R2's partial pressure increases, zener diode D1's negative pole is received high voltage signal and is punctured, voltage signal transmits to triode Q1's base, triode Q1 switches on, relay K's coil circular telegram, relay K's normally open contact is closed, further trigger alarm circuit reports to the police, suggestion staff fire rescue.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic diagram of the electrical fire monitoring system of the present invention;
fig. 2 is a schematic diagram of the monitoring system of the leakage protector of the present invention;
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive work, are related to the scope of the present invention.
As shown in fig. 1 to 2, the present embodiment proposes an intelligent electrical monitoring system for a building, which includes an electrical fire monitoring system including a monitoring trigger circuit and an alarm circuit connected in sequence,
the monitoring trigger circuit comprises a detection polar plate, a resistor R1, a field effect tube U1, a voltage stabilizing diode D1, a resistor R3, a triode Q1, a resistor R2 and a relay K, wherein the detection polar plate is used for detecting flame, a first electrode end of the detection polar plate is connected with a power supply VCC, a second electrode end of the detection polar plate is connected with the ground of the resistor R1, a second electrode end of the detection polar plate is connected with a grid electrode of the field effect tube U1, a drain electrode of the field effect tube U1 is connected with the power supply VCC, a source electrode of the field effect tube U1 is connected with the ground of the resistor R2, a source electrode of the field effect tube U1 is connected with a cathode of the voltage stabilizing diode D1, an anode of the voltage stabilizing diode D1 is connected with a first end of the resistor R3, a second end of the resistor R3 is connected with a base electrode of the triode Q1, an emitting electrode of the triode Q1 is connected with the ground, a collector electrode of the relay Q1 is connected with a first end of the relay K coil, the other end of the relay K coil is connected with the power supply VCC, a first end of a normally open contact, and a second end of the relay K contact is connected with an input end of the alarm circuit.
In this embodiment, when the electric circuit of building conflagration breaks out, the high temperature that flame produced can make the gas emergence ionization between the two plate electrodes of detection polar plate, two polar plates of detection polar plate begin to conduct electricity, field effect tube U1's grid voltage rises, and then the electric current grow between drain electrode and the source electrode, high voltage signal is received to zener diode D1's negative pole and is punctured, voltage signal transmits to triode Q1's base, triode Q1 switches on, relay K's coil circular telegram, relay K's normally open contact is closed, further trigger alarm circuit reports to the police, suggestion staff fight with a fire.
The alarm circuit includes unijunction transistor Q7, resistance R4, resistance R5, resistance R6, electric capacity C2, electric capacity C4, electric capacity C5, resistance R8, diode D2, resistance R7, triode Q2, triode Q3 and alarm U3, the second end of relay K normally open contact is connected the first end of resistance R4, resistance R4's second end is connected the first base of unijunction transistor Q7, unijunction transistor Q7's second base passes through resistance R5 ground connection, unijunction transistor Q7's projecting pole is connected diode D2's positive pole, unijunction transistor Q7's projecting pole passes through resistance R6 connects the power VCC, unijunction transistor Q7's projecting pole passes through electric capacity C2 ground connection, diode D2's negative pole is connected the first end of resistance R7, resistance R7's second end is connected triode Q2's base, triode Q2's projecting pole ground connection, triode Q2's collecting electrode connection the triode Q3's base, resistance Q3's second end is connected the second end of electric capacity K3 the second end of alarm U3, the second end of electric capacity C3 and the second end of the ground connection triode Q3 the second end of the electric capacity C3 base connection electric capacity.
In this embodiment, after the normally open contact of the relay K is closed, the emitter junction of the triode Q3 is forward biased, the triode Q3 is turned on, the base current of the triode Q3 charges the capacitor C4, the collector current of the triode Q3 charges the capacitor C5, and the collector voltage signal of the triode Q3 is sent to the alarm U3, the alarm U3 is powered on to send an alarm, meanwhile, the power supply charges the capacitor C2 through the resistor R6, the voltage of the capacitor C2 is added to the emitter of the unijunction transistor Q7, then the voltage at the two ends of the capacitor C2 is gradually increased, after the voltage is increased to the peak point voltage of the unijunction transistor Q7, namely the emitter voltage of the unijunction transistor Q7 reaches the peak value, after the peak value is crossed, the unijunction transistor Q7 enters the negative resistance region to be turned on, at this time, the capacitor is discharged through the unijunction transistor Q7, and then the anode of the diode D2 is input with a triangular sawtooth wave signal;
along with the voltage rise of the capacitor C4, the base voltage of the triode Q3 gradually rises, the collector current of the triode Q3 is reduced, the sound of the alarm U3 begins to be reduced, then the triode Q3 is cut off, the base of the triode Q2 is at a high level at the moment, the collector of the triode Q2 is also at the high level, further, the capacitor C4 discharges through the triode Q2, the capacitor C5 discharges through the alarm U3, the alarm U3 gives out an alarm again, along with the gradual discharge, the sound of the alarm U3 is reduced, the sound size change of the alarm U3 is realized, the general sound of a siren is simulated, the nervous feeling is brought to people, people are enabled to be more alert to pay attention to fire hazard, and the automatic fire alarm function is realized.
Still include earth-leakage protector monitored control system, earth-leakage protector monitored control system includes:
the mechanical fault detection circuit is used for detecting the contact action of the leakage protector;
the power supply function detection circuit is used for detecting a power supply of the electric leakage protector;
the output end of a release coil in the leakage protector is connected with the mechanical fault detection circuit, and a power supply of the leakage protector is connected with the input end of the power supply function detection circuit.
The mechanical fault detection circuit comprises a diode D3, a diode D4, a resistor R13, a resistor R14, a resistor R15, a voltage detection chip U4, a counter U5, a dial switch S1 and a triode Q6, wherein the output end of a tripper coil in the leakage protector is connected with the anode of the diode D3, the cathode of the diode D3 is connected with the anode of the diode D4, the cathode of the diode D4 is connected with the first end of the resistor R13, the second end of the resistor R13 is grounded, the first end of the resistor R13 is connected with the power supply end of the voltage detection chip U4 through the resistor R14, the output end of the voltage detection chip U4 is connected with the clock input end CLK of the counter U5 through the resistor R15, the output end of the counter U5 is connected with the dial switch S1, the output end of the dial switch S1 is connected with the base of the triode Q6, the emitter of the triode Q6 is grounded, and the collector of the triode Q6 is connected with an indicating circuit.
The power function detection circuit comprises a resistor R11 and a triode Q5, a power supply of the leakage protector is connected with a first end of the resistor R11, a second end of the resistor R11 is connected with a base of the triode Q5, an emitting electrode of the triode Q5 is connected with a collecting electrode of the triode Q6, and the collecting electrode of the triode Q5 is connected with an emitting electrode of the triode Q6.
The indicating circuit comprises a light emitting diode LED1, a light emitting diode LED2 and a resistor R12, a power supply of a release in the leakage protector is connected with a first end of the resistor R12, a second end of the resistor R12 is connected with an anode of the light emitting diode LED2, a cathode of the light emitting diode LED2 is grounded, a second end of the resistor R12 is connected with an anode of the light emitting diode LED1, and a cathode of the light emitting diode LED1 is connected with a collector of the triode Q6.
In this embodiment, when a current flows through the trip coil, the current is input into the voltage detection chip U4 through the diode D3, the diode D4, the resistor R13, and the resistor R14, that is, the voltage detection chip U4 detects a primary voltage, and a primary leakage fault occurs in the surface power system;
when the leakage protector detects a leakage fault, a coil of a release in the leakage protector is electrified, and a contact of the release disconnects a circuit to protect the circuit; if a mechanical fault occurs, and tripping cannot be performed at the moment, the voltage detection chip U4 inputs a detected primary voltage signal into a clock signal of the counter U5, the counter U5 is accounted for 1, and after the counter U5 exceeds a set frequency threshold value, a channel set by the dial switch S1 sends a high-level signal to the base electrode of the triode Q6, so that the triode Q6 is conducted, and the light-emitting diode LED1 sends red light to prompt a worker to maintain and replace the leakage protector;
when earth leakage protector's DC power supply VCC normally exported, triode Q5 can not switch on, when earth leakage protector's DC power supply VCC broke down unable output, triode Q5 switched on, and emitting diode LED1 sent ruddiness.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. An intelligent electrical monitoring system for buildings is characterized by comprising an electrical fire monitoring system, wherein the electrical fire monitoring system comprises a monitoring trigger circuit and an alarm circuit which are connected in sequence,
the monitoring trigger circuit comprises a detection polar plate, a resistor R1, a field effect tube U1, a voltage stabilizing diode D1, a resistor R3, a triode Q1, a resistor R2 and a relay K, wherein the detection polar plate is used for detecting flame, a first electrode end of the detection polar plate is connected with a power supply VCC, a second electrode end of the detection polar plate is connected with the ground of the resistor R1, a second electrode end of the detection polar plate is connected with a grid electrode of the field effect tube U1, a drain electrode of the field effect tube U1 is connected with the power supply VCC, a source electrode of the field effect tube U1 is connected with the ground of the resistor R2, a source electrode of the field effect tube U1 is connected with a cathode of the voltage stabilizing diode D1, an anode of the voltage stabilizing diode D1 is connected with a first end of the resistor R3, a second end of the resistor R3 is connected with a base electrode of the triode Q1, an emitting electrode of the triode Q1 is connected with the ground, a collector electrode of the relay Q1 is connected with a first end of the relay K coil, the other end of the relay K coil is connected with the power supply VCC, a first end of a normally open contact, and a second end of the relay K contact is connected with an input end of the alarm circuit.
2. An intelligent electrical monitoring system for building according to claim 1, wherein said alarm circuit comprises a unijunction transistor Q7, a resistor R4, a resistor R5, a resistor R6, a capacitor C2, a capacitor C4, a capacitor C5, a resistor R8, a diode D2, a resistor R7, a transistor Q2, a transistor Q3 and an alarm U3, wherein a second end of said normally-open contact of relay K is connected to a first end of said resistor R4, a second end of said resistor R4 is connected to a first base of said unijunction transistor Q7, a second base of said unijunction transistor Q7 is connected to ground through said resistor R5, an emitter of said unijunction transistor Q7 is connected to an anode of said diode D2, an emitter of said unijunction transistor Q7 is connected to a power source VCC through said resistor R6, an emitter of said unijunction transistor Q7 is connected to ground through said capacitor C2, a cathode of said diode D2 is connected to a first end of said resistor R7, a second end of said resistor R7 is connected to an emitter of said transistor Q2, an emitter of said transistor Q2 is connected to ground, an emitter of said capacitor C3, a collector of said resistor Q2 is connected to ground, a collector of said second end of said capacitor C3 is connected to a second end of said capacitor C3, a second end of said alarm is connected to a second terminal of said resistor C3 is connected to ground, a second terminal of said resistor R3 is connected to an emitter of said transistor C3, a second terminal of said capacitor C3 is connected to a second terminal of said transistor C3, and a second terminal of said transistor C3, a second terminal of said resistor R3 is connected to ground of said resistor R3, a second terminal of said capacitor C3 is connected to ground of said resistor R3, a second terminal of said resistor R3, and a second terminal of said capacitor C3 is connected to said resistor R3 is connected to a second terminal of said resistor R3.
3. The intelligent electrical monitoring system for buildings as claimed in claim 2, further comprising a earth leakage protector monitoring system comprising:
the mechanical fault detection circuit is used for detecting the contact action of a release in the leakage protector;
the power supply function detection circuit is used for detecting a power supply of the electric leakage protector;
the output end of a release coil in the leakage protector is connected with the mechanical fault detection circuit, and a power supply of the leakage protector is connected with the input end of the power supply function detection circuit.
4. The intelligent electrical monitoring system for buildings according to claim 3, wherein the mechanical failure detection circuit comprises a diode D3, a diode D4, a resistor R13, a resistor R14, a resistor R15, a voltage detection chip U4, a counter U5, a dial switch S1 and a transistor Q6, the electrical leakage protector has a release coil output end connected to an anode of the diode D3, a cathode of the diode D3 is connected to an anode of the diode D4, a cathode of the diode D4 is connected to a first end of the resistor R13, a second end of the resistor R13 is grounded, a first end of the resistor R13 is connected to a power supply end of the voltage detection chip U4 through the resistor R14, an output end of the voltage detection chip U4 is connected to a clock input end CLK of the counter U5 through the resistor R15, an output end of the counter U5 is connected to the dial switch S1, an output end of the dial switch S1 is connected to a base of the transistor Q6, an emitter of the transistor Q6 is grounded, and a collector of the transistor Q6 is connected to an indication circuit.
5. The intelligent electrical monitoring system for buildings according to claim 4, wherein the power supply function detection circuit comprises a resistor R11 and a transistor Q5, the power supply of the earth leakage protector is connected to a first end of the resistor R11, a second end of the resistor R11 is connected to a base of the transistor Q5, an emitter of the transistor Q5 is connected to a collector of the transistor Q6, and a collector of the transistor Q5 is connected to an emitter of the transistor Q6.
6. The intelligent electrical monitoring system for buildings according to claim 4 or 5, wherein the indicating circuit comprises a light emitting diode LED1, a light emitting diode LED2 and a resistor R12, the power supply of the trip unit in the earth leakage protector is connected to the first end of the resistor R12, the second end of the resistor R12 is connected to the anode of the light emitting diode LED2, the cathode of the light emitting diode LED2 is grounded, the second end of the resistor R12 is connected to the anode of the light emitting diode LED1, and the cathode of the light emitting diode LED1 is connected to the collector of the triode Q6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222193067.4U CN217932879U (en) | 2022-08-19 | 2022-08-19 | Intelligent electrical monitoring system for building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222193067.4U CN217932879U (en) | 2022-08-19 | 2022-08-19 | Intelligent electrical monitoring system for building |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217932879U true CN217932879U (en) | 2022-11-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222193067.4U Active CN217932879U (en) | 2022-08-19 | 2022-08-19 | Intelligent electrical monitoring system for building |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217932879U (en) |
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- 2022-08-19 CN CN202222193067.4U patent/CN217932879U/en active Active
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