CN208188233U - A kind of detection temperature and current anomaly prevent the real time on-line monitoring device of fire - Google Patents
A kind of detection temperature and current anomaly prevent the real time on-line monitoring device of fire Download PDFInfo
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- CN208188233U CN208188233U CN201820898891.0U CN201820898891U CN208188233U CN 208188233 U CN208188233 U CN 208188233U CN 201820898891 U CN201820898891 U CN 201820898891U CN 208188233 U CN208188233 U CN 208188233U
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Abstract
A kind of detection temperature and current anomaly prevent the real time on-line monitoring device of fire, including Switching Power Supply, also there is conductor temperature detection circuit, case temperature detection circuit, lack detection circuit, singlechip equipment, GPRS device, power switch and subassembly wrapper, the temperature detect switch (TDS) of conductor temperature detection circuit is located at outside subassembly wrapper, Switching Power Supply, conductor temperature detection circuit, case temperature detection circuit, singlechip equipment, GPRS device is installed on circuit boards, circuit board and power switch are mounted in subassembly wrapper, conductor temperature detection circuit, case temperature detection circuit, lack detection circuit, singlechip equipment, GPRS device, Switching Power Supply, it is connected between power switch through conducting wire.The utility model can pass through the existing mature application software installed in mobile client device for distal end power consumption management side, intuitively see whether to show warning information through mobile client device, and then recognize that live whether power of power supply normally provides powerful technique support.
Description
Technical field
The utility model relates to electrical monitoring device field, especially a kind of detection temperature and current anomaly prevent fire
Real time on-line monitoring device.
Background technique
Power controling box is a kind of widely used electrical equipment auxiliary facility, by the breaker installed inside it,
The work of contactor, power switch etc. control electrical equipment.Electrical equipment is at work, (namely logical when load is excessive
Cross conducting wire electric current it is excessive when), will lead to conducting wire itself and its electric control box body temperature and increase that (conducting wire self-temperature increases
When, temperature can act in electric control box body), if related control device breaks down and leads to temperature rise in electric control box
Height, equally not only electrical control the temperature inside the box increases, and conductor temperature can also increase, and leads to case when short circuit occurs for such as electrical equipment
In vivo or conducting wire temperature rise it is excessively high be more than normal temperature, this moment if related control device breaks down and do not break in electric control box
When opening the power supply for being input to electrical equipment, it will cause electrical equipment continuation to run in spite of illness and occur greatly to damage, into
And there is the hidden danger for causing fire, and can impact to the normal electricity consumption of remaining electricity consumption user.In fact, electric control box is all
Under unattended state, power consumption management side can not understand case body temperature and cabinet inside conductor temperature (case in real time for work
Body temperature, conductor temperature are electrical equipment and a kind of performance that cabinet internal control control equipment breaks down extremely)；When in cabinet
Electrical control equipment, electrical equipment failure cause in cabinet and conductor temperature increases extremely or electrical equipment breaks down and leads
In cause cabinet and when conducting wire is increased by the excessive temperature anomaly of electric current, power consumption management side is due to ignorant, in electric control box
When related electric control device fails are not turned off the power supply for being input to electrical equipment, it is possible to lead to electrical equipment
Damage, in turn results in the generation of fire, and impact to the normal electricity consumption of periphery electricity consumption user.In three-phase and four-line power supply,
When three phase lines wherein one or two open circuit of input, referred to as phase shortage, electrical equipment such as Three-phase electric motor phase are run
When, the operation of motor can be impacted, the electric current of electrical-coil when three-phase operation than greatly increasing when phase shortage, therefore easily leads
Fire incident is burnt and then caused to the machine coil windings of sending a telegraph.
Based on above-mentioned, provide it is a kind of can whether real-time monitoring case body temperature normal, whether cabinet inside conductor electric current excessive
Cause temperature anomaly to increase, and can real-time monitoring input power whether phase shortage, the equipment for preventing fire from occurring seems particularly necessary.
Utility model content
In order to overcome existing power supply control cabinet not have monitoring case body temperature, cabinet inside conductor temperature and unable to monitor
Input power whether phase shortage, it is possible in temperature anomaly, the drawbacks of input power phase shortage causes fire to occur, the utility model is mentioned
It has supplied to be easily installed in the cabinet of electric control box, can not only real-time monitoring have been carried out to the temperature of phase line when use, to case
Body temperature is monitored, moreover it is possible to three phase lines of input power, whether phase shortage is monitored, and will after monitoring data through list
After piece machine equipment and GPRS device processing, digital signal is sent through mobile radio network, thus for distal end fulgurite
Reason side intuitively sees whether to show by the existing mature application software installed in mobile client device through mobile client device
It is shown with warning information (including text, symbol and audio alert information), and then it is normal to recognize whether power supply scene powers, and is supplying
Electric scene is abnormal, has when fire hazard occurs, and can be on the scene to take in time and arrange including shut down that electrical equipment overhauled
It applies, preventing fault spread and fire from providing a kind of detection temperature of powerful technique support and current anomaly prevents fire
The real time on-line monitoring device of calamity.
The technical scheme adopted by the utility model to solve the technical problem is as follows:
A kind of detection temperature and current anomaly prevent the real time on-line monitoring device of fire, including Switching Power Supply, feature
Be also have conductor temperature detection circuit, case temperature detection circuit, lack detection circuit, singlechip equipment, GPRS device,
The temperature detect switch (TDS) of power switch and subassembly wrapper, conductor temperature detection circuit is located at outside subassembly wrapper, Switching Power Supply, conductor temperature detection
On circuit boards, circuit board and power switch are installed for circuit, case temperature detection circuit, singlechip equipment, GPRS device installation
In subassembly wrapper, the operation handle of power switch is located at subassembly wrapper front upper part aperture outboard end, the power input two of Switching Power Supply
End is connected with 220V AC power source by conducting wire, and the cathode power supply output end of Switching Power Supply and power switch one end are connected by conducting wire
It connects, control power input, conductor temperature detection circuit and the case temperature inspection of the power switch other end and lack detection circuit
Slowdown monitoring circuit cathode power supply input terminal, singlechip equipment and GPRS device cathode power supply input terminal are connected by conducting wire, Switching Power Supply
Negative power supply output end and conductor temperature detection circuit, case temperature detection circuit, singlechip equipment, GPRS device cathode
Power input is connected by conducting wire, and lack detection circuit signal output end and singlechip equipment first via signal input terminal pass through
Conducting wire connection, conductor temperature detection circuit signal output end are connected with case temperature detection circuit signal input part by conducting wire,
Case temperature detection circuit signal output end is connected with singlechip equipment second road signal input terminal by conducting wire, singlechip equipment
Signal output end is connected with the signal input part of GPRS device through RS485 data line, and the antenna of GPRS device is mounted on power supply control
The cabinet outside back right end of case processed, subassembly wrapper are mounted on the box house of power controling box by bolt and nut.
The conductor temperature detection circuit includes U-typed plastic casing, temperature detect switch (TDS), tri- pole of resistance, relay and NPN
Pipe, each side there are two fixation holes for the upper end of plastic casing, and there are an aperture, temperature detect switch (TDS) in the middle part lower end of plastic casing
With glue sticking, lower end is in same plane in the lower part of plastic casing, the temperature surface and plastic casing of temperature detect switch (TDS), and temperature control is opened
It closes lower end and is located at aperture outboard end in lower end in the middle part of plastic casing, U-typed plastic casing is clipped in the cabinet of power controling box one
The phase line insulating layer outboard end of input power cord, the upper end left and right sides four for being each passed through plastic casing by two screw rods are solid
Determine hole, four nuts screw in four external thread of screw respectively, so that U-typed plastic casing, temperature detect switch (TDS) are mounted on outside phase line
Side, temperature detect switch (TDS) temperature surface are close to the insulating layer epidermis of conducting wire, and resistance, relay and NPN triode are located in subassembly wrapper, temperature
Control switch one end and relay cathode power supply input terminal and control power input are connected by conducting wire, the temperature detect switch (TDS) other end with
Resistance one end is connected by conducting wire, and the resistance other end connects with NPN transistor base by conducting wire, NPN triode collector with
Relay negative power supply input terminal is connected by conducting wire.
The case temperature detection circuit temperature detect switch (TDS), resistance, relay and NPN triode, the top of subassembly wrapper have one
A aperture, for temperature detect switch (TDS) glue sticking in subassembly wrapper, the temperature surface of temperature detect switch (TDS) is located at aperture outboard end, temperature detect switch (TDS) one end
It is connected with relay cathode power supply input terminal by conducting wire, the temperature detect switch (TDS) other end and first resistance one end are connected by conducting wire
It connects, first resistance other end is connected with NPN transistor base by conducting wire, NPN triode collector and relay negative electricity
Source input terminal is connected by conducting wire, and relay normally closed contact end is connected with second resistance one end by conducting wire.
The lack detection circuit includes three AC relays and a resistance, three one power inputs of AC relay
End connected respectively with the zero curve of three-phase and four-line AC power source, three another power inputs of AC relay respectively with three phase lines
It being connected by conducting wire, first relay normally open contact end is connected with second power source for relay control input terminal by conducting wire,
Second relay normally open contact end is connected with third power source for relay control input terminal by conducting wire, and third relay is normal
It opens tip side and is connected with resistance one end by conducting wire.
The singlechip equipment is one-chip computer module finished product, and main control chip model is STM8L052R8, one-chip computer module
Finished product tool is there are two power input, two paths of signals input terminal, two ways of digital signals output end, when work, two ways of digital signals
Output end can be respectively at interval of the 10 seconds digital signals of output in 2 seconds.
The GPRS module is the communication module finished product of Air202T model, inside have a SIM card, there are two electricity for tool
Source input terminal, two-way parallel connection signal input part, when work can send the digital signal of input through mobile radio network.
The utility model beneficial effect is: when the utility model is used, when conductor temperature, the box house of power controling box
When temperature is normal (namely current in wire is suitable, electrical equipment there is no failure, in cabinet related control device there is no
When failure), case temperature detection circuit signal output end is exported to the signal voltage of singlechip equipment second road signal input terminal
For high level, when three phase lines of three-phase and four-line AC power source do not have phase shortage, lack detection circuit signal output end export to
The signal voltage of singlechip equipment first via signal input terminal is high level, under the effect of singlechip equipment internal circuit, monolithic
From the output of one of signal after the signal processing that machine equipment inputs conductor temperature detection circuit and case temperature detection circuit
10 seconds digital signals of end output, after 2 seconds, from another after the signal processing that singlechip equipment inputs lack detection circuit
A signal output end exports 10 seconds digital signals, and after 2 seconds, singlechip equipment is by conductor temperature detection circuit and shell temperature
It spends after the signal processing of detection circuit input and exports 10 seconds digital signals from one of signal output end, constantly followed with this
Ring, signal, the lack detection circuit that singlechip equipment can input conductor temperature detection circuit and case temperature detection circuit are defeated
The signal entered is input to the signal input part of GPRS module two-way parallel connection, and then, GPRS module can be respectively by two numbers of input
Word signal is sent according to the mode at interval of output 10 seconds in 2 seconds by mobile radio network；Fulgurite is distally used in this way
Reason side intuitively sees whether to show warning information through mobile client device at one's side, and (including text, symbol and audio alert are believed
Breath), and then it is normal to recognize whether power supply scene powers；Conductor temperature detection circuit and case temperature detection circuit output letter
Number, after lack detection circuit output signal, mobile client device application software at one's side is opened in distal end power consumption management side, through body
After side mobile client device receives signal, when power supply scene is normal, the application software of mobile client device does not issue announcement
Alert information, when power supply scene is abnormal, the application software of mobile client device issues warning information, and (warning information includes text
Word, symbol and audio alert information) prompt, administrative staff can recognize that live shell body temperature is excessively high, conducting wire at the first time
Temperature is excessively high or input power phase shortage, thus be on the scene at the first time using including the power supply measure for closing electrical equipment,
Prevent fire.The utility model can pass through mobile client device (including mobile phone, tablet computer etc. for distal end power consumption management side
Deng) in the existing mature application software installed, intuitively see whether to show warning information (including text through mobile client device
Word, symbol and audio alert information), and then it is normal to recognize whether power supply scene powers, it is abnormal at power supply scene, there is generation
When fire hazard, can be on the scene the measure taken and overhauled including shutting down electrical equipment in time, prevent fault spread with
And fire provides powerful technique support.Based on above-mentioned, so the application prospect that the utility model has had.
Detailed description of the invention
The utility model is described further with reference to the accompanying drawings and examples.
Fig. 1 is the utility model structure diagram.
Fig. 2 is the U-typed plastic casing of the utility model conductor temperature detection circuit, temperature detect switch (TDS) structural schematic diagram.
Fig. 3 is the utility model circuit diagram.
Specific embodiment
Fig. 1, shown in 2, a kind of detection temperature and current anomaly prevent the real time on-line monitoring device of fire, including switch
Power supply 6, also have conductor temperature detection circuit 1, case temperature detection circuit 2, lack detection circuit 3, singlechip equipment 4,
The temperature detect switch (TDS) 1-1 of GPRS device 5, power switch 7 and subassembly wrapper 8, conductor temperature detection circuit is located at outside subassembly wrapper 8, switch
Power supply 6, conductor temperature detection circuit 1, case temperature detection circuit 2, singlechip equipment 4, GPRS device 5 are mounted on circuit board
On, circuit board and power switch 7 are mounted in subassembly wrapper 8, and the operation handle of power switch 7 is located at 8 front upper part of subassembly wrapper two
Aperture outboard end, the antenna 5-1 of GPRS device are mounted on the shell outside back right end of power controling box 9.Conductor temperature detection electricity
Road includes U-typed plastic casing 1-2, temperature detect switch (TDS) 1-1, resistance, relay and NPN triode, and the upper end of plastic casing 1-2 is left
Right two sides are respectively there are two fixation hole 1-3, and there is an aperture in the middle part lower end of plastic casing 1-2, and temperature detect switch (TDS) 1-1 glue sticking exists
The lower part of plastic casing 1-2, lower end is in same plane, temperature detect switch (TDS) in the temperature surface and plastic casing 1-2 of temperature detect switch (TDS) 1-1
The lower part 1-1 is located at aperture outboard end in lower end in the middle part of plastic casing 1-2, and U-typed plastic casing 1-2 is clipped in the cabinet of power controling box
The phase line insulating layer outboard end of an interior input power cord, the upper end for being each passed through plastic casing 1-1 by two screw rod 1-4 are left
The fixation hole of right two sides four, four nuts screw in four external thread of screw respectively, so that U-typed plastic casing 1-2, temperature control are opened
It closes 1-1 and is mounted on phase line outboard end, temperature detect switch (TDS) 1-1 temperature surface is close to the insulating layer epidermis of conducting wire, and subassembly wrapper 8 passes through screw rod spiral shell
Mother is mounted on the box house of power controling box 9.
Shown in Fig. 3, conductor temperature detection circuit includes U-typed plastic casing, temperature detect switch (TDS) W1, resistance R1, relay
J1 and NPN triode Q1, the one end temperature detect switch (TDS) W1 and relay J1 cathode power supply input terminal and control power input are by leading
Line connection, the temperature detect switch (TDS) W1 other end are connected with the one end resistance R1 by conducting wire, the resistance R1 other end and NPN triode Q1 base stage
It is connected by conducting wire, NPN triode Q1 collector is connected with relay J1 negative power supply input terminal by conducting wire.Case temperature inspection
One aperture, temperature control are arranged at slowdown monitoring circuit temperature detect switch (TDS) W2, resistance R3 and R4, relay J2 and NPN triode Q2, the top of subassembly wrapper
For switch W2 glue sticking in subassembly wrapper, the temperature surface of temperature detect switch (TDS) W2 is located at aperture outboard end, the one end temperature detect switch (TDS) W2 and after
Electric appliance J2 cathode power supply input terminal is connected by conducting wire, and the temperature detect switch (TDS) W2 other end and first one end resistance R3 are connected by conducting wire
It connects, first resistance R3 other end is connected with NPN triode Q2 base stage by conducting wire, NPN triode Q2 collector and relay
J2 negative power supply input terminal is connected by conducting wire, and relay J2 normally-closed contact end and second one end resistance R4 are connected by conducting wire
It connects.Lack detection circuit includes three AC relays J3, J4, J5 and resistance R2, three mono- electricity of AC relay J3, J4, J5
Source input terminal is connected with the zero curve N of three-phase and four-line AC power source by conducting wire respectively, and three AC relays J3, J4, J5 are another
Power input is connected with three phase lines L1, L2, L3 by conducting wire respectively, first relay J3 normally opened contact end and second
Relay J4 controls power input and is connected by conducting wire, second relay J4 normally opened contact end and third relay J5 control
Power input processed is connected by conducting wire, and third relay J5 normally opened contact end is connected with the one end resistance R2.Singlechip equipment
U1 is one-chip computer module finished product, and main control chip model is STM8L052R8, and there are two power supply is defeated for one-chip computer module finished product U1 tool
Enter to hold VCC and GND, two paths of signals input terminal C1 and C2, two ways of digital signals output end X, when work, two ways of digital signals output
Hold X can be respectively at interval of the 10 seconds digital signals of output in 2 seconds.GPRS module U2 is the communication module finished product of Air202T model,
There is a SIM card inside it, tool is there are two power input VCC and GND, the signal input part X2 of two-way parallel connection, energy when work
The digital signal of input is sent through mobile radio network.
Shown in Fig. 3, the power input both ends 1 of Switching Power Supply U3 and 2 feet are connected with 220V AC power source by conducting wire, are opened
3 foot of cathode power supply output end of powered-down source U3 is connected with the one end power switch S by conducting wire, the power switch S other end and phase shortage
The relay J3 of detection circuit controls the relay J1 cathode power supply input terminal and shell of power input, conductor temperature detection circuit
Relay J2 cathode power supply input terminal, singlechip equipment U1 cathode power supply the input terminal VCC and GPRS of temperature detection circuit are set
Standby U2 cathode power supply input terminal VCC is connected by conducting wire, 4 foot of negative power supply output end and the conductor temperature detection of Switching Power Supply U3
Circuit negative power supply input terminal NPN triode Q1 emitter, case temperature detection circuit negative power supply input terminal NPN triode Q2
Emitter, singlechip equipment U1 negative power supply input terminal GND, GPRS device U2 negative power supply input terminal GND are connected by conducting wire,
Lack detection circuit signal output end passes through conducting wire after the resistance R2 other end and singlechip equipment U1 first via signal input terminal C1
Connection, conductor temperature detection circuit signal output end relay J1 normally-closed contact end and case temperature detection circuit signal input part
Relay J2 controls power input and is connected by conducting wire, the case temperature detection circuit signal output end resistance R4 other end and list
Piece machine equipment U1 second road signal input terminal C2 is connected by conducting wire, singlechip equipment U1 signal output end X1 and GPRS device U2
Signal input part X2 connected through RS485 data line.
Shown in Fig. 3, behind the power input both ends 1 of 220V AC power source access switch power supply U3 and 2 feet, Switching Power Supply U3
Power supply output both ends 3 and 4 feet export stable 6V power supply and enter the one end power switch S.In use, after turning on the power switch S,
The power supply of the 3 feet output of Switching Power Supply U3 is relay J3 the control power input, conductor temperature for entering lack detection circuit
Detection circuit cathode power supply input terminal and the cathode power supply input terminal of case temperature detection circuit, singlechip equipment U1 cathode power supply
Input terminal, GPRS device U2 cathode power supply input terminal, then, relay J3 control power input, conductor temperature detection circuit,
Case temperature detection circuit, singlechip equipment U1, GPRS device U2 are in obtain electricity condition.Lack detection circuit and single-item machine equipment
In U1: when three-phase four-wire power is normal, three mono- power inputs of AC relay J3, J4, J5 are handed over three-phase and four-line respectively
The zero curve N in galvanic electricity source is connected, three another power inputs of AC relay J3, J4, J5 respectively with three phase lines L1, L2, L3
Connect, then, three AC relays J3, J4, J5 respectively it is electric be attracted its control power input and normally opened contact termination lead to；
Due to, first relay J3 normally opened contact end is connected with second relay J4 control power input by conducting wire, and second
Relay J4 normally opened contact end is connected with third relay J5 control power input by conducting wire, third relay J5
Normally opened contact end is connected with the one end resistance R2, and the resistance R2 other end and singlechip equipment U1 first via signal input terminal C1 are by leading
Line connection, relay J3 control power input is connected by conducting wire with the one end power switch S, so Switching Power Supply U3 this moment
It is defeated that the positive pole of 3 feet output can control power input through relay J3, normally opened contact end enters relay J4 control power supply
Enter end, and enters relay J5 control power input through relay J4 normally opened contact end, and through relay J5 normally opened contact end
Enter singlechip equipment U1 first via signal input terminal C1 into the one end resistance R2, and through the resistance R2 other end, in this way, working as three-phase
When four line input powers are normal, singlechip equipment U1 first via signal input terminal C1 will be entered high level signal；When three
Phase line any one without input power, that is, when phase shortage, as long as three AC relay J3, J4, J5 any one mistakes
Electricity stops being attracted the disconnection of control power input normally opened contact end, the positive pole that can all cause 3 feet of Switching Power Supply U3 to export
Singlechip equipment U1 first via signal input terminal C1, singlechip equipment U1 first via signal input terminal C1 cannot be entered through resistance R2
Without input high level signal.
Shown in Fig. 3, in conductor temperature detection circuit, case temperature detection circuit and singlechip equipment U1, when being equipped with
(namely electrical equipment is working properly, current in wire when a phase line insulating layer temperature outside of temperature detect switch (TDS) W1 is lower than 60 DEG C
By normal), two contacts in the inside temperature detect switch (TDS) W1 are in open-circuit condition, and relay J1 is in power loss and stops its control of attracting state
Power input and normally-closed contact termination processed is logical；When case body temperature is lower than 50 DEG C, inside temperature detect switch (TDS) W2 at two contacts
In open-circuit condition, relay J2 is in its control power input of power loss stopping attracting state and normally-closed contact termination is logical；Due to,
Relay J1 control power input is connected with the power switch S other end by conducting wire, relay J1 normally-closed contact end and relay
Device J2 controls power input and is connected by conducting wire, and relay J2 normally-closed contact end is connected with the one end resistance R4 by conducting wire, electricity
The resistance R4 other end is connected with singlechip equipment U1 second road signal input terminal C2 by conducting wire, so this moment, the 3 of Switching Power Supply U3
The positive pole of foot output can control power input through relay J1, normally-closed contact end enters relay J2 control power input
End, and enter the one end resistance R4 through relay J2 normally-closed contact end, and enter the second tunnel singlechip equipment U1 through 4 other end of resistance
Signal input part C2, in this way, when liquidus temperature is no more than 60 DEG C, case body temperature is lower than 50 DEG C, singlechip equipment U1 second
Road signal input part C2 will be entered high level signal.When a phase line insulating layer temperature outside for being equipped with temperature detect switch (TDS) W1
When higher than 60 DEG C, inside temperature detect switch (TDS) W1 two contacts in an ON state, then, the power supply of the 3 feet output of Switching Power Supply U3
Two closed contacts of defeated anode meeting enter the one end resistance R1, and enter NPN triode Q1 base stage, NPN through resistance R1 current limliting
Triode Q1 base stage output low level enters relay J1 negative power supply input terminal, and then relay J1 obtains its control electricity of electric actuation
Source input terminal and normally-closed contact end disconnect, and the positive pole of the 3 feet output of Switching Power Supply U3 will not control electricity through relay J1 again
Source input terminal, normally-closed contact end enter relay J2 control power input；(namely when the intracorporal temperature of case is higher than 50 DEG C
Electrical equipment works, and abnormal, current in wire is excessively high by excessive conducting wire temperature rise or cabinet internal control control equipment breaks down and leads
Cause case body temperature excessively high), in an ON state, then, 3 feet of Switching Power Supply U3 export two contacts in the inside temperature detect switch (TDS) W2
Two contacts being closed through temperature detect switch (TDS) W2 of positive pole enter the one end resistance R3, and enter NPN tri- through resistance R3 current limliting
Pole pipe Q2 base stage, NPN triode Q2 base stage output low level enter relay J2 negative power supply input terminal, and then relay J2 is obtained
Electricity is attracted it and controls power input and the disconnection of normally-closed contact end, and the positive pole of the 3 feet output of Switching Power Supply U3 will not pass through again
Relay J1 controls power input and normally-closed contact end, relay J2 control power input and normally-closed contact end, resistance R4
The other end enters singlechip equipment U1 second road signal input terminal C2.More than, the only case body temperature of power controling box
When being lower than 60 DEG C lower than 50 DEG C, phase line insulating layer temperature outside, that is, case body temperature and phase line insulating layer temperature outside are just
Chang Shi, singlechip equipment U1 second road signal input terminal C2 can just be entered high level signal, when case body temperature, phase line insulate
Layer temperature outside any one it is abnormal when, singlechip equipment U1 second road signal input terminal C2 is without input high level signal.
Shown in Fig. 3, in singlechip equipment U1 and GPRS device U2: when liquidus temperature, case body temperature are normal, shell temperature
The degree detection circuit signal output end resistance R3 other end is exported to the signal electricity of singlechip equipment U1 second road signal input terminal C2
Pressure is high level, when three phase lines of three-phase and four-line AC power source do not have phase shortage, lack detection circuit signal output end resistance
It is high level that the R2 other end, which is exported to the signal voltage of singlechip equipment U1 first via signal input terminal C1, in singlechip equipment U1
Under internal circuit effect, signal processing that singlechip equipment U1 inputs conductor temperature detection circuit and case temperature detection circuit
10 seconds digital signals are exported from one of signal output end X1 afterwards, after 2 seconds, singlechip equipment U1 is electric by pile defection
10 seconds digital signals, after 2 seconds, singlechip equipment are exported from another signal output end X1 after the signal processing of road input
From one of signal output end X1 after the signal processing that U1 inputs conductor temperature detection circuit and case temperature detection circuit
10 seconds digital signals are exported, are constantly recycled with this, singlechip equipment U1 can examine conductor temperature detection circuit and case temperature
The signal of slowdown monitoring circuit input, the signal of lack detection circuit input are input to the signal input part X2 of GPRS module two-way parallel connection,
Then, GPRS module U2 can respectively pass through the two ways of digital signals of input according to the mode at interval of output 10 seconds in 2 seconds
Mobile radio network is sent；Distal end power consumption management side intuitively sees whether to show through mobile client device at one's side in this way
Warning information (including text, symbol and audio alert information), and then it is normal to recognize whether power supply scene powers；Conductor temperature
After detection circuit and case temperature detection circuit output signal, lack detection circuit output signal, beaten in distal end power consumption management side
Mobile client device application software at one's side is opened, after mobile client device receives signal at one's side, when power supply scene is normal,
The application software of mobile client device does not issue warning information, when power supply scene is abnormal, the application of mobile client device
Software issue warning information (warning information includes text, symbol and audio alert information) prompt, administrative staff energy first when
Between recognize that live shell body temperature is excessively high, conductor temperature is excessively high or input power phase shortage, thus at the first time be on the scene
Using including the power supply measure for closing electrical equipment, fire is prevented.In practical application, since GPRS device is in single-chip microcontroller
Under equipment U1 effect, interval sends the signal of conductor temperature detection circuit and the output of case temperature detection circuit, pile defection electricity
Road output signal, therefore mobile client device inside it application software effect under, can be spaced show conductor temperature detect
Circuit and case temperature detection circuit, lack detection circuit whether outputting alarm information.When power supply scene is normal, due to single-chip microcontroller
Equipment U1 input is high level signal, and high level signal after mobile wireless network is sent, is moved through GPRS device U2
After client device receives high level signal under application software acts on inside it, warning information is not issued, power supply scene is not
When normal, since singlechip equipment U1 is without input high level signal, under the effect of singlechip equipment U1 internal circuit, single-chip microcontroller is set
Standby U1 output low level signal through GPRS device after mobile wireless network is sent, answer inside it by mobile client device
It is acted on down with software after receiving low level signal, issues warning information, administrative staff can recognize field box at the first time
Body temperature is excessively high, conductor temperature is excessively high or input power phase shortage, uses to be on the scene at the first time using including closing
The power supply measure of electric equipment, prevents failure propagation.The utility model can pass through mobile client device (packet for distal end power consumption management side
Include mobile phone, tablet computer etc.) in the existing mature application software installed, intuitively see whether to show through mobile client device
There is warning information (including text, symbol and audio alert information), and then it is normal to recognize whether power supply scene powers, and is powering
Scene is abnormal, and when having generation fire hazard, can be on the scene the measure taken and overhauled including shutting down electrical equipment in time,
Prevent fault spread and fire from providing powerful technique support.Based on above-mentioned, so the application that the utility model has had
Prospect.
Shown in Fig. 3, resistance R1, R3 resistance value is 470K, and resistance R2, R4 resistance value is 100 Ω.Relay J1 and J2 are models
The miniature relay of DC410012V.Temperature detect switch (TDS) W1, W2 are the Kick type temperature detect switch (TDS) of 60 DEG C, 50 DEG C respectively, and model is
KSD301.AC relay J3, J4, J5 are the 220V AC relays of positive safe brand.Switching Power Supply U3 is brand Yu Shun, model
The 6V switch power module finished product of the AC-DC of YS-U306
The advantages of basic principles and main features and the utility model of the utility model have been shown and described above, for
For those skilled in the art, it is clear that the present invention is not limited to the details of the above exemplary embodiments, and without departing substantially from this
In the case where the spirit or essential attributes of utility model, the utility model can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the utility model is by institute
Attached claim rather than above description limit, it is intended that will fall within the meaning and scope of the equivalent elements of the claims
All changes are embraced therein.It should not treat any reference in the claims as limiting related right
It is required that.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (5)
1. a kind of detection temperature and current anomaly prevent the real time on-line monitoring device of fire, including Switching Power Supply, feature from existing
In also with conductor temperature detection circuit, case temperature detection circuit, lack detection circuit, singlechip equipment, GPRS device, electricity
Source switch and subassembly wrapper, Switching Power Supply, conductor temperature detection circuit, case temperature detection circuit, singlechip equipment, GPRS device
On circuit boards, the power input both ends of Switching Power Supply are connected with 220V AC power source by conducting wire, and Switching Power Supply is just for installation
Pole power output end is connected with power switch one end by conducting wire, the control power supply of the power switch other end and lack detection circuit
Input terminal, conductor temperature detection circuit and case temperature detection circuit cathode power supply input terminal, singlechip equipment and GPRS device
Cathode power supply input terminal is connected by conducting wire, the negative power supply output end and conductor temperature detection circuit of Switching Power Supply, shell temperature
Spend detection circuit, singlechip equipment, GPRS device negative power supply input terminal by conducting wire connection, lack detection circuit signal is defeated
Outlet is connected with singlechip equipment first via signal input terminal by conducting wire, conductor temperature detection circuit signal output end and shell
Temperature sensing circuit signal input part is connected by conducting wire, case temperature detection circuit signal output end and singlechip equipment second
Road signal input part is connected by conducting wire, and the signal input part of singlechip equipment signal output end and GPRS device is through RS485 number
It is connected according to line, the antenna of GPRS device is mounted on the cabinet outside back right end of power controling box.
2. a kind of detection temperature according to claim 1 and current anomaly prevent the real time on-line monitoring device of fire,
It is characterized in that conductor temperature detection circuit includes U-typed plastic casing, temperature detect switch (TDS), resistance, relay and NPN triode, temperature
The lower part U-typed plastic casing that control switch is mounted on plastic casing is clipped in the cabinet of power controling box an input power cord
Phase line insulating layer outboard end, temperature detect switch (TDS) temperature surface are close to the insulating layer epidermis of conducting wire, temperature detect switch (TDS) one end and relay anode
Power input and control power input are connected by conducting wire, and the temperature detect switch (TDS) other end is connected with resistance one end by conducting wire,
The resistance other end is connected with NPN transistor base by conducting wire, and NPN triode collector and relay negative power supply input terminal are logical
Cross conducting wire connection.
3. a kind of detection temperature according to claim 1 and current anomaly prevent the real time on-line monitoring device of fire,
It is characterized in that case temperature detection circuit temperature detect switch (TDS), resistance, relay and NPN triode, temperature detect switch (TDS) are mounted on subassembly wrapper
Interior, temperature detect switch (TDS) one end is connected with relay cathode power supply input terminal by conducting wire, the temperature detect switch (TDS) other end and first resistance
One end is connected by conducting wire, and first resistance other end is connected with NPN transistor base by conducting wire, NPN triode collector
It is connected with relay negative power supply input terminal by conducting wire, relay normally closed contact end and second resistance one end are connected by conducting wire
It connects.
4. a kind of detection temperature according to claim 1 and current anomaly prevent the real time on-line monitoring device of fire,
It is characterized in that lack detection circuit includes three AC relays and a resistance, three one power inputs of AC relay point
It is not connected with the zero curve of three-phase and four-line AC power source, three another power inputs of AC relay pass through with three phase lines respectively
Conducting wire connection, first relay normally open contact end are connected with second power source for relay control input terminal by conducting wire, and second
Relay normally open contact end is connected with third power source for relay control input terminal by conducting wire, the touching of third relay normally open
Point end is connected with resistance one end by conducting wire.
5. a kind of detection temperature according to claim 1 and current anomaly prevent the real time on-line monitoring device of fire,
It is characterized in that singlechip equipment is one-chip computer module, main control chip model is STM8L052R8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820898891.0U CN208188233U (en) | 2018-06-11 | 2018-06-11 | A kind of detection temperature and current anomaly prevent the real time on-line monitoring device of fire |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820898891.0U CN208188233U (en) | 2018-06-11 | 2018-06-11 | A kind of detection temperature and current anomaly prevent the real time on-line monitoring device of fire |
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| CN208188233U true CN208188233U (en) | 2018-12-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112531884A (en) * | 2019-09-18 | 2021-03-19 | 深圳市睿德龙智能电气有限公司 | Safety protection power supply device |
-
2018
- 2018-06-11 CN CN201820898891.0U patent/CN208188233U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112531884A (en) * | 2019-09-18 | 2021-03-19 | 深圳市睿德龙智能电气有限公司 | Safety protection power supply device |
| CN112531884B (en) * | 2019-09-18 | 2023-10-31 | 深圳市睿德龙智能电气有限公司 | Safety protection power supply device |
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