CN204882822U - Killer switch state detection device - Google Patents

Killer switch state detection device Download PDF

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Publication number
CN204882822U
CN204882822U CN201520601240.7U CN201520601240U CN204882822U CN 204882822 U CN204882822 U CN 204882822U CN 201520601240 U CN201520601240 U CN 201520601240U CN 204882822 U CN204882822 U CN 204882822U
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China
Prior art keywords
temperature sensor
circuit breaker
circuit
switch
chip microcomputer
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Active
Application number
CN201520601240.7U
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Chinese (zh)
Inventor
王清鑫
林海巡
蔡品花
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XIAMEN WILSONS ELECTRICAL Co Ltd
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XIAMEN WILSONS ELECTRICAL Co Ltd
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Priority to CN201520601240.7U priority Critical patent/CN204882822U/en
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Publication of CN204882822U publication Critical patent/CN204882822U/en
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Abstract

The utility model belongs to the technical field of power electronic, concretely relates to killer switch state detection device. The utility model discloses a killer switch state detection device, it includes switch detection circuitry, singlechip, acousto -optic warning circuit, GPRS module, temperature sensor and display screen, switch detection circuitry and circuit breaker electric connection, singlechip respectively with switch detection circuitry, acousto -optic warning circuit, GPRS module, temperature sensor and display screen electric connection, temperature sensor sets up inside the circuit breaker. The utility model provides a killer switch state detection device for detect the on off state of circuit breaker, give the singlechip with the switch state feedback of circuit breaker. It detects function, the inside temperature of temperature sensor determine circuit breaker still to have the temperature to give the singlechip with this temperature feedback.

Description

A kind of circuit breaker switch state pick-up unit
Technical field
The utility model belongs to electric and electronic technical field, is specifically related to a kind of circuit breaker switch state pick-up unit.
Background technology
In recent years, along with the fast development of science and technology, electrical equipment occupies more and more important position in industrial automation system.In the electric power system of electrical equipment and control system, all need to use protection components and parts to carry out short-circuit protection or heavy overload protection to circuit.Protection components and parts have serial connection overcurrent protection components and parts in circuit, and parallel connection overvoltage protection components and parts in circuit.
Isolating switch can be used to distribute electric energy; infrequently start asynchronous motor; protection is carried out to power circuit and motor etc., can automatic shutdown circuit when serious overload or short circuit and the fault such as under-voltage occur for they, its function is equivalent to Fuse switch and the combination of crossing underheat relay etc.And generally do not need to change parts after disjunction fault current.
Isolating switch is applied in feed circuit or control circuit, and whether the break-make of isolating switch decides circuit and normally work, and also has the effect of the safety of protection circuit and personnel.The switch detection method of conventional circuit breaker: increase extra auxiliary contact and could judge which kind of state it is in.This killer switch detection method not only increases the complicacy of circuit, and can increase the volume of isolating switch, installs also cumbersome.
Existing isolating switch does not all have temperature detecting function, and in the past because circuit breaker internal temperature is too high, and the fire caused is of common occurrence.Not only affect normal power supply, and cause certain hidden danger to Electrical Safety.
Utility model content
The method increasing extra auxiliary contact is adopted to judge the switch shape body of isolating switch for prior art, the utility model proposes a kind of circuit breaker switch state pick-up unit, without the need to increasing extra structure, the detection that this circuit can realize circuit breaker switch state only need be used.And the utility model also has temperature detecting function.
The utility model adopts following technical scheme:
A kind of circuit breaker switch state pick-up unit, it comprises switch detection circuit, single-chip microcomputer, sound light alarming circuit, GPRS module, temperature sensor and display screen, switch detection circuit and isolating switch are electrically connected, single-chip microcomputer is electrically connected with switch detection circuit, sound light alarming circuit, GPRS module, temperature sensor and display screen respectively, and temperature sensor is arranged on circuit breaker internal; Switch detection circuit comprises diode, the first resistance, the second resistance and triode, the anode of diode is connected with the output terminal of isolating switch, the negative electrode of diode connects the base stage of triode through the first resistance, the grounded emitter of triode, the collector of triode connects 5V power supply through the second resistance respectively and connects the I/O port of single-chip microcomputer.
Further, single-chip microcomputer is 51 series monolithics.
Further, single-chip microcomputer is digital signal processor.
Further, temperature sensor is resistance temperature sensor or infrared temperature sensor.
Further, display screen is LED display.
The utility model proposes a kind of circuit breaker switch state pick-up unit, for detecting the on off state of isolating switch, the on off state of isolating switch being fed back to single-chip microcomputer.The utility model also has temperature detecting function, and temperature sensor detects the temperature of circuit breaker internal, and by this temperature feedback to single-chip microcomputer, the circuit-breaker status of acceptance and temperature process by single-chip microcomputer, if isolating switch goes wrong, then carry out sound and light alarm.And the on off state of isolating switch and temperature are sent to cell-phone customer terminal by GPRS module by single-chip microcomputer, realize remote monitoring.
Accompanying drawing explanation
Fig. 1 is a kind of structural drawing of circuit breaker switch state pick-up unit;
Fig. 2 is a kind of switch detection circuit schematic diagram of circuit breaker switch state pick-up unit.
Embodiment
For further illustrating each embodiment, the utility model provides accompanying drawing.These accompanying drawings are a part for the utility model disclosure, and it is mainly in order to illustrate embodiment, and the associated description of instructions can be coordinated to explain the operation principles of embodiment.Coordinate with reference to these contents, those of ordinary skill in the art will be understood that other possible embodiments and advantage of the present utility model.Assembly in figure not drawn on scale, and similar element numbers is commonly used to assembly like representation class.
Now with embodiment, the utility model is further illustrated by reference to the accompanying drawings.
Consult shown in Fig. 1 to Fig. 2, a kind of circuit breaker switch state pick-up unit of the preferred embodiment of the utility model, it comprises switch detection circuit 1, single-chip microcomputer 2, sound light alarming circuit 4, GPRS module 3, temperature sensor 7 and display screen 5, the input end of switch detection circuit 1 is connected with the output terminal of isolating switch 6, the output terminal of switch detection circuit 1 connects in single-chip microcomputer 2, and single-chip microcomputer 2 is electrically connected with switch detection circuit 1, sound light alarming circuit 4, GPRS module 3, temperature sensor 7 and display screen 5 respectively.It is inner that temperature sensor 7 is arranged on isolating switch 6, and temperature sensor 7 is for detecting the internal temperature of isolating switch 6.
Again consult shown in Fig. 2, for the switch detection circuit schematic diagram of this embodiment, switch detection circuit 1 comprises diode D1, the first resistance R1, the second resistance R2 and triode Q1, the anode of diode D1 is connected with the output terminal of isolating switch 6, the negative electrode of diode D1 connects the base stage of triode Q1 through the first resistance R1, the grounded emitter of triode Q1, the collector of triode Q1 connects 5V power supply through the second resistance R2 respectively and connects the I/O port of single-chip microcomputer 2.
When isolating switch 6 is in off-state, the base stage of triode Q1 is without input voltage, and triode Q1 is in cut-off state, and the collector of triode Q1 connects 5V power supply through the second resistance R2, therefore the voltage that triode Q1 collector connects the I/O port of single-chip microcomputer 2 is high level.When isolating switch 6 is in closure state, the base stage high input voltage of triode Q1, triode Q1 conducting, therefore the grounded collector of triode Q1, therefore the voltage of the I/O port of single-chip microcomputer 2 is low-voltage.
Temperature sensor 7, for detecting the internal temperature of isolating switch 6, and sends to single-chip microcomputer 2 by testing result, and temperature sensor 7 information received processes by single-chip microcomputer 2, judges whether isolating switch 6 occurs fire.This embodiment sets, if the internal temperature of isolating switch 6 is more than or equal to 40 DEG C, then fire appears in isolating switch 6, and single-chip microcomputer 2 controls sound light alarming circuit 4 to carry out.
Sound light alarming circuit 4 receives the order sent from single-chip microcomputer 2, and sends different orders according to single-chip microcomputer 2, carries out the warning of different modes.Sound light alarming circuit 4 can be pointed out the on off state of isolating switch 6, and reports to the police to temperature.
GPRS module 3 and cell-phone customer terminal carry out radio communication, and the internal temperature of isolating switch 6 on off state that the switch detection circuit 1 received feeds back by single-chip microcomputer 2 and the isolating switch 6 that temperature sensor 7 feeds back, sends to client by GPRS module 3.Cell-phone customer terminal can realize the remote real-time monitoring to isolating switch 6.
Display screen 5 and single-chip microcomputer 2 are electrically connected, and single-chip microcomputer 2 controls the display of display screen 5, and display screen 5 can show the on off state of isolating switch 6, also shows the Current Temperatures of isolating switch 6.
When isolating switch 6 is in off-state, switch detection circuit 1 sends the I/O port of high level to single-chip microcomputer 2, and single-chip microcomputer 2 sends a command to sound light alarming circuit 4, and sound light alarming circuit 4 is warned, and display screen 5 shows isolating switch 6 and disconnects.When isolating switch 6 is in closure state, switch detection circuit 1 sends the I/O port of low level to single-chip microcomputer 2, and single-chip microcomputer 2 sends a command to sound light alarming circuit 4, and sound light alarming circuit 4 is without warning.
When the internal temperature of isolating switch 6 is less than 40 DEG C, alarm unit 3 carries out alarm free, and display screen 5 shows isolating switch 6 Current Temperatures.When the internal temperature of isolating switch 6 is more than or equal to 40 DEG C, alarm unit 3 carries out audible alarm, display screen 5 flickering display isolating switch 6 Current Temperatures.
It should be noted that, the single-chip microcomputer 2 of this embodiment is 51 series monolithics or digital signal processor, and those skilled in the art are known, and the single-chip microcomputer 2 that other processors also can be adopted to realize substituting the employing of this embodiment realizes identical function.In addition, the temperature sensor 7 that this embodiment adopts is resistance temperature sensor or infrared temperature sensor, and display screen 5 is LED display.
Although specifically show in conjunction with preferred embodiment and describe the utility model; but those skilled in the art should be understood that; not departing from the spirit and scope of the present utility model that appended claims limits; can make a variety of changes the utility model in the form and details, be protection domain of the present utility model.

Claims (5)

1. a circuit breaker switch state pick-up unit, it is characterized in that: it comprises switch detection circuit, single-chip microcomputer, sound light alarming circuit, GPRS module, temperature sensor and display screen, described switch detection circuit and isolating switch are electrically connected, described single-chip microcomputer is electrically connected with switch detection circuit, sound light alarming circuit, GPRS module, temperature sensor and display screen respectively, and described temperature sensor is arranged on circuit breaker internal; Described switch detection circuit comprises diode, the first resistance, the second resistance and triode, the anode of diode is connected with the output terminal of isolating switch, the negative electrode of diode connects the base stage of triode through the first resistance, the grounded emitter of triode, the collector of triode connects 5V power supply through the second resistance respectively and connects the I/O port of single-chip microcomputer.
2. circuit breaker switch state pick-up unit as claimed in claim 1, is characterized in that: described single-chip microcomputer is 51 series monolithics.
3. circuit breaker switch state pick-up unit as claimed in claim 1, is characterized in that: described single-chip microcomputer is digital signal processor.
4. circuit breaker switch state pick-up unit as claimed in claim 1, is characterized in that: described temperature sensor is resistance temperature sensor or infrared temperature sensor.
5. circuit breaker switch state pick-up unit as claimed in claim 1, is characterized in that: described display screen is LED display.
CN201520601240.7U 2015-08-11 2015-08-11 Killer switch state detection device Active CN204882822U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520601240.7U CN204882822U (en) 2015-08-11 2015-08-11 Killer switch state detection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520601240.7U CN204882822U (en) 2015-08-11 2015-08-11 Killer switch state detection device

Publications (1)

Publication Number Publication Date
CN204882822U true CN204882822U (en) 2015-12-16

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Application Number Title Priority Date Filing Date
CN201520601240.7U Active CN204882822U (en) 2015-08-11 2015-08-11 Killer switch state detection device

Country Status (1)

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CN (1) CN204882822U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105842618A (en) * 2016-06-02 2016-08-10 佛山市程显科技有限公司 Magnetic switch comprehensive testing instrument with process tracking and protection function and testing method of magnetic switch comprehensive testing instrument
CN109149774A (en) * 2018-09-21 2019-01-04 胡新军 A kind of working state of circuit breaker remote detecting system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105842618A (en) * 2016-06-02 2016-08-10 佛山市程显科技有限公司 Magnetic switch comprehensive testing instrument with process tracking and protection function and testing method of magnetic switch comprehensive testing instrument
CN109149774A (en) * 2018-09-21 2019-01-04 胡新军 A kind of working state of circuit breaker remote detecting system

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