CN202351367U - Electric insulation leakage analyzer of building - Google Patents
Electric insulation leakage analyzer of building Download PDFInfo
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- CN202351367U CN202351367U CN2011205110141U CN201120511014U CN202351367U CN 202351367 U CN202351367 U CN 202351367U CN 2011205110141 U CN2011205110141 U CN 2011205110141U CN 201120511014 U CN201120511014 U CN 201120511014U CN 202351367 U CN202351367 U CN 202351367U
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- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
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Abstract
The utility model provides an electric insulation leakage analyzer of a building. A dsPIC30F6014A digital signal processor is arranged in a main control unit; the digital signal processor is connected with a main line leakage current monitoring device, a temperature signal monitoring device, an RS485 communication interface, a ULN2003 driving chip, a clock module and an LED (Light-emitting Diode) indication lamp. Through an expandable multi-path leakage current and temperature signal collecting module, a remote signal transmission function is realized to automatically transmit an alarming signal to a user cell phone by a short message manner and accurately know about accident conditions in time. An electric fire disaster monitoring detector extension module is directly connected with the main control unit to meet more loop monitoring requirements, so that the electric fire disaster monitoring detector extension module is safe and convenient. A main line three-phase four-wire circuit breaker can automatically cut off a loop according to conditions when the electric insulation leakage analyzer is broken down, so as to prevent fire accidents from happening. The temperature measuring precision of a temperature sensor is high, and the power consumption is low. With the adoption of the RS485 communication interface, an operator in charge adopts a remote communication way and adopts a long-distance operation to cut off a power supply to eliminate accidents and avoid causing fire disasters by the overload of a power supply line or the happening of ground faults.
Description
Technical field
The utility model relates to a kind of analytical equipment of architectural electricity fire prevention, relates to the apparatus insulated leakage analyzing device of architectural electricity specifically.
Background technology
In today of the economic sustainable and stable development of China, because people to the going deep into of safety standard electricity consumption general knowledge, make the personal injury accident that is caused by electric fault successively decrease year by year, but the annual fire quantity that is caused by electrical hazard is but increasing.In case breaking out of fire not only threatens people's life security; Also can cause serious economy loss; And the line insulation electric leakage is exactly to cause all kinds of architectural electricity leading cause of fires; Electric current flows into from the leakage to the earth point in the earth way, the higher position of resistance take place heat effect ignite near combustible and cause fire.The discharge of high power switch on/off switch switch contact electric arc property is prone to cause leakage current in addition, and regular meeting causes fire, and the contact of leak current fault point is unreal; Seemingly connect non-connecing; Cause contact resistance bigger, make overcurrent protective device be difficult to action, can produce electric arc at the place, trouble spot simultaneously.According to surveying, only the arc temperature of the electric current of 0.5A can reach more than 2000 ℃, is enough to all combustibles that ignites; The electric leakage insulating capacity of electric wire or its timbering material in addition, so that have the electric current of trace to pass through between the lead or between lead and the earth, the electric spark of electric leakage can become the ignition source of fire.
Architectural electricity insulation leakage analyzing appearance is with monitoring, analyzes, reports to the police and control integrated and realized unified management, owing to the participation of central computer is achieved data instant analysis and operation.System is made up of a plurality of Monitor And Control Subsystems, special software, computer network; Round Realization remote regulating, telemetry and telecommand; Carry out data analysis according to the line leak electric current that is monitored, switch contact arc temperature and circuit cable temperature rise Monitoring Data; Can to weekly, every month and annual data compare, better the insulation status of line facility is analyzed.Aging to line facility; The line insulation that causes is revealed and the excessive line cord temperature rise situation that causes of line load is carried out Analysis of Reliability Data; And can realize in time that electric fault reports to the police and cut off the electricity supply, effectively prevent the generation of electrical fire, thereby protected whole low-voltage electric system.
Summary of the invention
To the problem that existing electrical fire safeguard exists the electrical fire early warning analysis, it is a kind of to the apparatus insulated leakage analyzing device of architectural electricity that electric current present leakage failure point carries out high-performance on architectural electricity circuit or the equipment, high precision gives warning in advance and in time eliminate that the utility model provides.
Solving the problems of the technologies described above the concrete technical measures of being taked is: a kind of architectural electricity insulation leakage analyzing appearance; It is characterized in that: at the 1. built-in dsPIC30F6014A digital signal processor of main control unit; The dsPIC30F6014A digital signal processor with the annexation of each part device is: main line leakage current monitoring device 3.: outside 8 road residual current transmitter collection terminals are connected circuit to be measured; Adopt four line punching modes; Residual current transmitter output terminal connects the TLC2264A/D conversion chip, and preceding 4 road leakage current output terminals connect 15 pin, 5 pin, 10 pin and 12 pin that label is the TLC2264 A/D conversion chip of U6A, U6B, U6C and U6D respectively; It is 15 pin, 5 pin, 10 pin and 12 pin of the TLC2264 A/D conversion chip of U7A, U7B, U7C and U7D that back 4 road leakage current output terminals connect label; Label is that 16 pin, 21 pin, 27 pin, 28 pin, label that 17 pin, 7 pin, 8 pin, 14 pin of the TLC2264 A/D conversion chip of U6A, U6B, U6C and U6D are connected respectively to the dsPIC30F6014A digital signal processor are 29 pin, 30 pin, 33 pin, 36 pin that 17 pin, 7 pin, 8 pin, 14 pin of the TLC2264 A/D conversion chip of U7A, U7B, U7C and U7D are connected respectively to the dsPIC30F6014A digital signal processor; The temperature signal monitoring device is 2.: temperature signal collection module PT100 temperature sensor probe is connected the R5.9.10 resistance bridge with the LM336-2.5 voltage stabilizing diode; The R5.9.10 resistance bridge connects the LM358 operational amplifier; 7 pin of LM358 operational amplifier connect 18 pin of dsPIC30F6014A digital signal processor; All the other PT2, PT3 and PT4 temperature signal collection module syndeton are identical, are connected to 17,15,22 pin of dsPIC30F6014A digital signal processor respectively; Main monitoring client is 4.: the RS485 communication interface connects the central computer of main monitoring client; 14 pin, 15 pin, 16 pin that 62 pin of digital signal processor dsPIC30F6014A, 63 pin, 66 pin are connected to the ULN2003 chip for driving carry out control signal and export 10 pin, 11 pin, 12 pin, and 10 pin of ULN2003 chip for driving, 11 pin, 12 pin connect the relay input end; Clock module is 5.: the PCF8563 clock chip connects 46 pin, 47 pin of the dsPIC30F6014A digital signal processor of main control unit in 1.; LED light is 6.: LED light drives 19 pin of linking number word signal processor dsPIC30F6014A through triode; Power module is 7.: the device power supply; Through the transformation rectification and connect 560VF/450V electric capacity, the two-way working power of DC12 V and DC9V is provided to A/D discharge circuit, digital signal processor, communicating circuit and protection control circuit device with AC/DC220V voltage.
The beneficial effect of the utility model: 1, through expanding multichannel leakage current and temperature signal collection module; Realize the remote signal transfer function; Automatically alerting signal is transferred in the user mobile phone with short message mode; Make the understanding accident conditions that the user can be promptly and accurately, avoid the electrical fire potential safety hazard that forms because of electric leakage and temperature rise.2, detector for electric fire protection expansion module can directly be connected with main control unit expansion mouth, can satisfy more multiloop monitoring requirement, safe and convenient.3, the road three-phase and four-line isolating switch of serving as theme, automatic cut-off loop according to circumstances during fault prevents that fire failure from taking place.4, the temperature sensor temperature measurement accuracy is high, and is low in energy consumption.5, be the RS485 communication interface, the operator on duty adopts the telecommunication mode can take remote-controlled operation to cut off measures such as the power supply or the scene eliminating accident of sending someone at master station, avoids because supply line transships or earth fault takes place and initiation fire.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is the utility model line electricity signal acquisition circuit schematic diagram;
Fig. 3 is the utility model microcontroller circuit schematic diagram;
Fig. 4 is the utility model application circuit work power supply schematic diagram.
Embodiment
In conjunction with accompanying drawing the utility model is described in detail.
A kind of architectural electricity insulation leakage analyzing appearance; Its structure such as Fig. 1, Fig. 2 and shown in Figure 3; With the DSP microprocessor is core, has multipath electric line leak current monitoring, multiple functions such as circuit temperature rise monitoring, self diagnosis, fault analysis record, data communication and fire alarm protection logout; Can draw for many years electrical equipment electricity consumption line leak current curve and line load temperature rise curve analytic trend automatically; In time remind the architectural electricity device ', facilitate for preventing the analysis of architectural electricity fire alarm, and have higher reliability.
Its structure is: at 16 high-speed microprocessor digital signal processors of the 1. built-in dsPIC30F6014A-of main control unit; The annexation of dsPIC30F6014A digital signal processor and each part device is: main line leakage current monitoring device 3.: be used to gather master control circuit residual current monitoring, prevent that the circuit residual current is excessive to have influence on the safe operation of master control power network line.Outside 8 road residual current transmitter collection terminals connect circuit to be measured; Residual current transmitter measurement range 10mA～5000 mA; Adopt four line punching modes; Residual current transmitter output terminal connects the TLC2264A/D conversion chip, and preceding 4 road leakage current output terminals connect 15 pin, 5 pin, 10 pin and 12 pin that label is the TLC2264 A/D conversion chip of U6A, U6B, U6C and U6D respectively; It is 15 pin, 5 pin, 10 pin and 12 pin of the TLC2264 A/D conversion chip of U7A, U7B, U7C and U7D that back 4 road leakage current output terminals connect label; Label is that 16 pin, 21 pin, 27 pin, 28 pin, label that 17 pin, 7 pin, 8 pin, 14 pin of the TLC2264 A/D conversion chip of U6A, U6B, U6C and U6D are connected respectively to the dsPIC30F6014A digital signal processor are 29 pin, 30 pin, 33 pin, 36 pin that 17 pin, 7 pin, 8 pin, 14 pin of the TLC2264 A/D conversion chip of U7A, U7B, U7C and U7D are connected respectively to the dsPIC30F6014A digital signal processor; Through can expanding multichannel residual current transmitter, gather the multichannel leakage current signal, to carry out the measuring and control data collection and compare numerical value through reading the A/D data in real time, data acquisition and calculation goes out corresponding each phase leakage current size.The temperature signal monitoring device is 2.: be used to survey cable, switch contact and cubicle switch in-cabinet temperature signal monitoring, temperature measurement range is at-200 ℃～+ 650 ℃, and temperature measurement accuracy is high, and is low in energy consumption.Temperature signal monitoring PT 100 temperature sensor probes are connected the R5.9.10 resistance bridge with the LM336-2.5 voltage stabilizing diode; The R5.9.10 resistance bridge connects the LM358 operational amplifier, and 7 pin of LM358 operational amplifier connect 18 pin of dsPIC30F6014A digital signal processor.All the other PT2; PT3 and PT4 temperature signal collection module syndeton are identical; Be connected to 17,15,22 pin of dsPIC30F6014A digital signal processor respectively, the voltage of PT100 temperature sensor probe enters into the R5.9.10 resistance bridge through voltage stabilizing diode, enters into temperature and resistance amplification ratio that the LM358 operational amplifier carries out thermal resistance and PT100 temperature sensor probe; Revise non-linear; Secondary is transferred to the size that the LM358 operational amplifier is regulated amplifying voltage output at the corresponding levels, and zero temperature is adjusted, and at last the signal that collects is transferred to 18 pin of dsPIC30F6014A digital signal processor.Main monitoring client is 4.: it is that the participation of central computer is carried out instant analysis and operation to data that the RS485 communication interface connects main monitoring client, is used for the real-time monitor state of fire monitoring detector.The operator on duty adopts the telecommunication mode can take remote-controlled operation to cut off measures such as the power supply or the scene eliminating accident of sending someone at master station, avoids because supply line transships or earth fault takes place and initiation fire.Reserve the CAN EBI, can realize multiple communication connected mode.Built-in SIM300 module can realize the remote signal transfer function, automatically alerting signal is transferred in the user mobile phone with short message mode, makes the understanding accident conditions that the user can be promptly and accurately, avoids the electrical fire potential safety hazard that forms because of electric leakage and temperature rise.14 pin, 15 pin, 16 pin that 62 pin of dsPIC30F6014A digital signal processor, 63 pin, 66 pin are connected to the ULN2003 chip for driving carry out control signal and export 10 pin, 11 pin, 12 pin, and 10 pin of ULN2003 chip for driving, 11 pin, 12 pin connect the relay input end.Clock module is 5.: the PCF8563 clock chip connects 46 pin, 47 pin of the dsPIC30F6014A digital signal processor of main control unit in 1..LED light is 6.: as the device warning mark; LED light drives 19 pin of linking number word signal processor dsPIC30F6014A through triode; Signal processor compares numerical value to it; After calculating corresponding each phase leakage current and respectively getting after the temperature mutually, send real-time video data amount on the display screen to through display module, digital signal processor compares according to the data message of collection in real time and the alarm and protection parameter area that sets; When the charge value of real-time collection surpasses the alarm and protection parameter area that sets, relay is realized control output.Power module is 7.: the device power supply provides the two-way working power of DC12 V and DC9V to A/D discharge circuit, digital signal processor, communicating circuit and protection control circuit device.With AC/DC220V voltage through the transformation rectification and connect 560VF/450V electric capacity; 560VF/450V electric capacity can play the effect of delay cut-off; After equipment loses power supply because of reasons such as fire failures, can guarantee operate as normal in 20s, still can send alerting signal accurately.
Claims (1)
1. architectural electricity insulation leakage analyzing appearance; It is characterized in that: at the built-in dsPIC30F6014A digital signal processor of main control unit (1.); The dsPIC30F6014A digital signal processor with the annexation of each part device is: main line leakage current monitoring device (3.): outside 8 road residual current transmitter collection terminals are connected circuit to be measured; Adopt four line punching modes; Residual current transmitter output terminal connects the TLC2264A/D conversion chip, and preceding 4 road leakage current output terminals connect 15 pin, 5 pin, 10 pin and 12 pin that label is the TLC2264 A/D conversion chip of U6A, U6B, U6C and U6D respectively; It is 15 pin, 5 pin, 10 pin and 12 pin of the TLC2264 A/D conversion chip of U7A, U7B, U7C and U7D that back 4 road leakage current output terminals connect label; Label is that 16 pin, 21 pin, 27 pin, 28 pin, label that 17 pin, 7 pin, 8 pin, 14 pin of the TLC2264 A/D conversion chip of U6A, U6B, U6C and U6D are connected respectively to the dsPIC30F6014A digital signal processor are 29 pin, 30 pin, 33 pin, 36 pin that 17 pin, 7 pin, 8 pin, 14 pin of the TLC2264 A/D conversion chip of U7A, U7B, U7C and U7D are connected respectively to the dsPIC30F6014A digital signal processor; Temperature signal monitoring device (2.): temperature signal collection module PT100 temperature sensor probe is connected the R5.9.10 resistance bridge with the LM336-2.5 voltage stabilizing diode; The R5.9.10 resistance bridge connects the LM358 operational amplifier; 7 pin of LM358 operational amplifier connect 18 pin of dsPIC30F6014A digital signal processor; All the other PT2, PT3 and PT4 temperature signal collection module syndeton are identical, are connected to 17,15,22 pin of dsPIC30F6014A digital signal processor respectively; Main monitoring client (4.): the RS485 communication interface connects the central computer of main monitoring client; 14 pin, 15 pin, 16 pin that 62 pin of digital signal processor dsPIC30F6014A, 63 pin, 66 pin are connected to the ULN2003 chip for driving carry out control signal and export 10 pin, 11 pin, 12 pin, and 10 pin of ULN2003 chip for driving, 11 pin, 12 pin connect the relay input end; Clock module (5.): the PCF8563 clock chip connects 46 pin, 47 pin of the dsPIC30F6014A digital signal processor in the main control unit (1.); LED light (6.): LED light drives 19 pin of linking number word signal processor dsPIC30F6014A through triode; Power module (7.): device power supply; Through the transformation rectification and connect 560VF/450V electric capacity, the two-way working power of DC12 V and DC9V is provided to A/D discharge circuit, digital signal processor, communicating circuit and protection control circuit device with AC/DC220V voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205110141U CN202351367U (en) | 2011-12-09 | 2011-12-09 | Electric insulation leakage analyzer of building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205110141U CN202351367U (en) | 2011-12-09 | 2011-12-09 | Electric insulation leakage analyzer of building |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202351367U true CN202351367U (en) | 2012-07-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205110141U Expired - Fee Related CN202351367U (en) | 2011-12-09 | 2011-12-09 | Electric insulation leakage analyzer of building |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202351367U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108710079A (en) * | 2018-07-28 | 2018-10-26 | 安徽诚意电气科技有限公司 | A kind of breaker Intelligentized regulating and controlling system of target line actual parameter analysis |
| CN113744483A (en) * | 2021-07-16 | 2021-12-03 | 国家电网有限公司 | Internet of things bus system for electrical fire monitoring and control method |
-
2011
- 2011-12-09 CN CN2011205110141U patent/CN202351367U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108710079A (en) * | 2018-07-28 | 2018-10-26 | 安徽诚意电气科技有限公司 | A kind of breaker Intelligentized regulating and controlling system of target line actual parameter analysis |
| CN113744483A (en) * | 2021-07-16 | 2021-12-03 | 国家电网有限公司 | Internet of things bus system for electrical fire monitoring and control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20120725 Termination date: 20201209 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |