CN204012239U - A kind of power distribution cabinet with infrared sensing warning system - Google Patents

A kind of power distribution cabinet with infrared sensing warning system Download PDF

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Publication number
CN204012239U
CN204012239U CN201420304165.3U CN201420304165U CN204012239U CN 204012239 U CN204012239 U CN 204012239U CN 201420304165 U CN201420304165 U CN 201420304165U CN 204012239 U CN204012239 U CN 204012239U
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CN
China
Prior art keywords
chip microcomputer
power distribution
cabinet
electrically connected
distribution cabinet
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201420304165.3U
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Chinese (zh)
Inventor
朱颜勇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CHENGDU GAOHUA ELECTRICAL Co Ltd
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CHENGDU GAOHUA ELECTRICAL Co Ltd
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Priority to CN201420304165.3U priority Critical patent/CN204012239U/en
Application granted granted Critical
Publication of CN204012239U publication Critical patent/CN204012239U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of power distribution cabinet with infrared sensing warning system, belong to power distribution cabinet technical field, its object is to provide a kind of rate of false alarm low and realize the power distribution cabinet of SMS and onsite alarming simultaneously.Its technical scheme is: the switch contact in cabinet and conductor connector position are respectively equipped with infrared temperature probe, infrared temperature probe is electrically connected to front end circuit, front end circuit is electrically connected to A/D converter, A/D converter is electrically connected to single-chip microcomputer I, and single-chip microcomputer I is electrically connected to buzzing warning device, gsm module; A wherein road control signal of single-chip microcomputer I output is delivered to buzzing warning device and carries out onsite alarming, and another road control signal is delivered to gsm module and by gsm module, sent the alarm signal being received with short message mode by cellphone subscriber.The utility model can be widely used in power distribution cabinet.

Description

A kind of power distribution cabinet with infrared sensing warning system
Technical field
The utility model belongs to power distribution cabinet technical field, is specifically related to a kind of power distribution cabinet technical field with warning device.
Background technology
In electric power system, power distribution cabinet is important control and protection equipment, and in power distribution cabinet, the contact performance of conduction junction will directly have influence on the reliability of switch cubicle work.In existing power distribution cabinet, each electric component and circuit contact well, connect reliable, but because electric component can produce a large amount of heats when working, and the radiating effect of power distribution cabinet is undesirable, the connection end place ratio of some electric component and circuit is easier to local pyrexia, cause local temperature too high, even produce heating, burning phenomenon, thereby finally affect the normal use of whole power distribution cabinet.At present, the service work of power distribution cabinet rests in the traditional mode of regular interruption maintenance substantially, must take in advance to overhaul after power down, test and verifying work again, thereby cause some unnecessary energy losses and the waste on human and material resources.Progressively develop in recent years the on-line monitoring technique of power distribution cabinet, make power distribution cabinet service work be transitioned into repair based on condition of component from scheduled overhaul, promote the scientific and technological progress of power distribution cabinet service technique, improve equipment operation management level, particularly improve the technical measures of unattended substation monitoring of equipment etc., all played positive effect.The on-line monitoring technique of existing power distribution cabinet is mainly detected the temperature of electric component and temperature signal is delivered to controller by transducer, and finally control buzzing, the associative operation such as cooling.As the application number utility model patent that is 200920230972.4 discloses a kind of temperature alarming device of power distribution cabinet, this device comprises shell, MCU single-chip microcomputer, power supply, clock module, A/D modular converter, digital simulation switch, preamplifier, temperature sensor and memory module, A/D modular converter, digital simulation switch, preamplifier, temperature sensor and MCU single-chip microcomputer are electrically connected to, and also cooling module, display module, indicator light are electrically connected to MCU single-chip microcomputer respectively and automatically.Though this device has embodied the design of hommization, effectively improved warning efficiency, reduced the generation of contingency, but the rate of false alarm of this device is higher, and can not allows user that event is grasped in real time and processed.
Summary of the invention
The purpose of this utility model is to provide a kind of rate of false alarm low and realize the power distribution cabinet of SMS and onsite alarming simultaneously.
For achieving the above object, the technical solution of the utility model is:
A kind of power distribution cabinet with infrared sensing warning system, comprise cabinet, it is characterized in that: the Qianmen of cabinet is single open-door, the back door of cabinet is double door, switch contact in cabinet and conductor connector position are respectively equipped with infrared temperature probe, and infrared temperature probe is electrically connected to front end circuit, and front end circuit is electrically connected to A/D converter, A/D converter is electrically connected to single-chip microcomputer I, and single-chip microcomputer I is electrically connected to buzzing warning device, gsm module; The signal of infrared temperature probe collection changes the signal of telecommunication through front end circuit into by A/D converter, signal of telecommunication input single-chip microcomputer I after transformation, single-chip microcomputer I exports two path control signal, wherein a road control signal is delivered to buzzing warning device and carries out onsite alarming, and another road control signal is delivered to gsm module and by gsm module, is sent the alarm signal being received with short message mode by cellphone subscriber.
Further, also comprise gate control system, described gate control system comprises fingerprint identification device, magnetic control door lock, single-chip microcomputer II, MP3 module, single-chip microcomputer II is electrically connected to fingerprint identification device, magnetic control door lock and MP3 module respectively, fingerprint identification device gathers finger print information and finger print information is delivered to single-chip microcomputer II, and single-chip microcomputer II outputs control signals to MP3 module and sends voice signal or output control signals to the Qianmen of magnetic control door lock control cabinet or the switching at back door.
Compared with prior art, the beneficial effects of the utility model are:
1, two doors in Qianmen and back door are set on cabinet, when power distribution cabinet is safeguarded, corresponding cabinet door can be opened, avoid operating personnel in the situation that cannot watching, to carry out misoperation, thereby, improved the convenience that power distribution cabinet is safeguarded, and it is safer that power distribution cabinet is safeguarded, guarantees that power distribution cabinet can be not impaired because of misoperation; Front end circuit by filter and amplification, voltage ratio and the circuit such as temperature-compensating form, adopted temperature-compensating, low-pass filtering, effectively reduce radio frequency interference and variations in temperature and disturb the false alarm causing; Based on GSM network, SMS and on-the-spot same alarm have been realized; Thereby this system have rate of false alarm lower, can be with the short message mode that adapts to market main flow mobile phone in real time to the feature such as User Alarms outside the venue, convenient and practical, energy-conserving and environment-protective, cost be low.
2, by be provided with fingerprint entrance guard system on power distribution cabinet, fingerprint identification device gathers somatic fingerprint information, single-chip microcomputer II analyzes, processes finger print information, and sends corresponding control signal and control the closure or openness of magnetic control door lock, control MP3 module and send prompt tone; By fingerprint entrance guard system, can effectively control before and after power distribution cabinet each closure or openness.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model power distribution cabinet;
Fig. 2 is the utility model infrared sensing warning system structured flowchart;
Fig. 3 is the utility model gate control system structured flowchart;
Fig. 4 is the circuit diagram of the utility model front end circuit;
Fig. 5 is the circuit diagram of the utility model gsm module;
Fig. 6 is the utility model MP3 module interface circuit figure;
Wherein, Reference numeral is: 1-cabinet, 2-Qianmen, 3-back door.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further:
Embodiment mono-
A power distribution cabinet with infrared sensing warning system, comprises cabinet and is arranged at the infrared sensing warning system in cabinet.
Before and after cabinet, both sides are respectively equipped with Qianmen and back door, and Qianmen and two ends, back door are flexibly connected and are integral with described cabinet by jockey respectively; Wherein Qianmen is single open-door, and back door is double door, and Qianmen and back door all adopt 2mm cold-reduced sheet to be made; The side of power distribution cabinet adopts 1.5mm cold-reduced sheet to be made, and the case lid of power distribution cabinet adopts 2mm cold-reduced sheet to be made.When safeguarding, overhauling power distribution cabinet, corresponding cabinet door can be opened, avoid operating personnel in the situation that cannot watching, to carry out misoperation, thereby, improved the convenience that power distribution cabinet is safeguarded, and it is safer that power distribution cabinet is safeguarded, guarantees that power distribution cabinet can be not impaired because of misoperation.
In cabinet, be provided with infrared sensing warning system, this infrared sensing warning system comprises infrared temperature probe, front end circuit, A/D converter, single-chip microcomputer I, buzzing warning device and gsm module.This infrared temperature probe is arranged at respectively switch contact and the conductor connector position in cabinet, the temperature information of sense switch contact and conductor connector position; Infrared temperature probe is electrically connected to front end circuit, the circuit diagram of front end circuit as shown in Figure 4, its mainly by filter and amplification, voltage ratio and the circuit such as temperature-compensating form, in amplifying circuit, adopt thermistor negative feedback to realize temperature-compensating, when temperature is higher, thermistor resistance reduces, when temperature is lower, thermistor resistance rises, and so substantially maintains output voltage constant, in filter circuit, according to the Filter Pro software of Texas Instrument, show that upper cut-off frequency is f=20Hz, voltage gain is ldB.This filter circuit has suppressed the High-frequency Interference such as electromagnetic radiation effectively, in the end one-level adopts 1N4727 voltage stabilizing didoe, form 1.5V threshold voltage comparator, obtain the square wave that amplitude is 3V, so that A/D converter is sampled, because front end circuit has adopted temperature-compensating, low-pass filtering, effectively reduce radio frequency interference and variations in temperature and disturbed the false alarm causing, than the pre-amplification circuit in past, had largely and improved; Front end circuit is electrically connected to A/D converter, and A/D converter changes the signal of infrared temperature probe collection into the signal of telecommunication; A/D converter is electrically connected to single-chip microcomputer I, and the signal of telecommunication input single-chip microcomputer I after transformation analyzes, processes; Single-chip microcomputer I is electrically connected to buzzing warning device, gsm module, realizes onsite alarming and SMS alarm; The signal of infrared temperature probe collection changes the signal of telecommunication through front end circuit into by A/D converter, signal of telecommunication input single-chip microcomputer I after transformation, single-chip microcomputer I exports two path control signal, wherein a road control signal is delivered to buzzing warning device and carries out onsite alarming, and another road control signal is delivered to gsm module and by gsm module, is sent the alarm signal being received with short message mode by cellphone subscriber.In the present embodiment, described infrared temperature probe is DS18B20 infrared temperature probe, and described single-chip microcomputer I adopts MSP430 single-chip microcomputer, and it is the buzzing warning device of yacite PN001231 that buzzing warning device adopts model.Described gsm module is that GSM radio frequency chip, baseband processing chip, memory, power discharging device etc. are integrated on a wiring board, there is independently operating system, GSM radio frequency processing, Base-Band Processing and the functional module of standard interface is provided, belong to existing module, wherein in gsm module, be provided with SIM300 integrated chip, SIM300 module is a three frequency band GSMs/GPRS module, have low power dissipation design, the current drain under sleep pattern is only 2.5mA; ICP/IP protocol that SIM300 inside modules is integrated, and expanded the AT instruction of TCP/IP, make Development of Module data transmission set become simple and convenient; This SIM300 module adopts 4.5V power supply, can directly use powered battery; Single-chip microcomputer I communicates by serial line interface and SIM300 module, and short message content is finished in advance by program, by this module, can directly send.
Embodiment bis-
On the basis of embodiment mono-, this power distribution cabinet is also provided with gate control system.Described gate control system comprises fingerprint identification device, magnetic control door lock, single-chip microcomputer II and MP3 module, and single-chip microcomputer II is electrically connected to fingerprint identification device, magnetic control door lock and MP3 module respectively.Fingerprint identification device gathers finger print information and finger print information is delivered to single-chip microcomputer II, and single-chip microcomputer II outputs control signals to MP3 module and sends voice signal or output control signals to the Qianmen of magnetic control door lock control cabinet or the switching at back door.
In the present embodiment, this fingerprint identification device comprise FSC7002 model housing, be arranged at button group on housing, optical fingerprint sensor, the LCDs being formed by LED diode, voice output, the Flash memory of AT49LV080 model, the digital signal processor of TMS320VC5402A model, control output circuit, data output interface and power module; This single-chip microcomputer II selects STC15C5A60S2 single-chip microcomputer; The acp chip that MP3 module is taked is AU6850B (integrated chip USB Host interface, SD interface, MP3 decoding circuit), can directly read the voice document in SD card, and take serial interface communication mode with single-chip microcomputer, is conducive to the debugging of program.

Claims (2)

1. a power distribution cabinet with infrared sensing warning system, comprise cabinet (1), it is characterized in that: the Qianmen (3) of cabinet (1) is single open-door, the back door (2) of cabinet (1) is double door, switch contact and conductor connector position in cabinet (1) are respectively equipped with infrared temperature probe, infrared temperature probe is electrically connected to front end circuit, front end circuit is electrically connected to A/D converter, A/D converter is electrically connected to single-chip microcomputer I, and single-chip microcomputer I is electrically connected to buzzing warning device, gsm module; The signal of infrared temperature probe collection changes the signal of telecommunication through front end circuit into by A/D converter, signal of telecommunication input single-chip microcomputer I after transformation, single-chip microcomputer I exports two path control signal, wherein a road control signal is delivered to buzzing warning device and carries out onsite alarming, and another road control signal is delivered to gsm module and by gsm module, is sent the alarm signal being received with short message mode by cellphone subscriber.
2. a kind of power distribution cabinet with infrared sensing warning system as claimed in claim 1, it is characterized in that: also comprise gate control system, described gate control system comprises fingerprint identification device, magnetic control door lock, single-chip microcomputer II, MP3 module, single-chip microcomputer II is electrically connected to fingerprint identification device, magnetic control door lock and MP3 module respectively, fingerprint identification device gathers finger print information and finger print information is delivered to single-chip microcomputer II, and single-chip microcomputer II outputs control signals to MP3 module and sends voice signal or output control signals to the Qianmen of magnetic control door lock control cabinet or the switching at back door.
CN201420304165.3U 2014-06-10 2014-06-10 A kind of power distribution cabinet with infrared sensing warning system Expired - Fee Related CN204012239U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420304165.3U CN204012239U (en) 2014-06-10 2014-06-10 A kind of power distribution cabinet with infrared sensing warning system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420304165.3U CN204012239U (en) 2014-06-10 2014-06-10 A kind of power distribution cabinet with infrared sensing warning system

Publications (1)

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CN204012239U true CN204012239U (en) 2014-12-10

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Family Applications (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104092110A (en) * 2014-06-10 2014-10-08 成都高华电气有限公司 Power distribution cabinet with infrared sensing alarm system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104092110A (en) * 2014-06-10 2014-10-08 成都高华电气有限公司 Power distribution cabinet with infrared sensing alarm system

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20141210

Termination date: 20150610

EXPY Termination of patent right or utility model