CN201570102U

CN201570102U - Electric fire comprehensive monitoring device

Info

Publication number: CN201570102U
Application number: CN2009202864879U
Authority: CN
Inventors: 姜龙; 林思和; 朱庆
Original assignee: Shanghai Acrel Co Ltd
Current assignee: Acrel Co Ltd
Priority date: 2009-12-28
Filing date: 2009-12-28
Publication date: 2010-09-01
Anticipated expiration: 2019-12-28

Abstract

The utility model relates to an electric fire comprehensive monitoring device which comprises a central processing unit, a temperature detection unit, a current signal conditioning module, a voltage signal conditioning module, a residual current signal conditioning module, an electrical parameter acquisition module, a real-time clock module, a power-down storage module, a button module, an LCD display module, an LED indicating module, a sound-light alarm module, a linkage input module, a protection output module and a dual communication module; the electrical parameter acquisition module is respectively connected with the current signal conditioning module, the voltage signal conditioning module and the residual current signal conditioning module; and the central processing unit is respectively connected with the temperature detection module, the electrical parameter acquisition module, the real-time clock module, the power-down storage module, the button module, the LCD display module, the LED indicating module, the sound-light alarm module, the linkage input module, the protection output module and the dual communication module. Compared with the prior art, the electric fire comprehensive monitoring device has the advantages of high integration, high reliability and the like.

Description

A kind of electrical fire integrated monitoring apparatus

Technical field

The utility model relates to a kind of fire-disaster monitoring device, especially relates to a kind of electrical fire integrated monitoring apparatus.

Background technology

Along with the rapid growth of Chinese national economy, the increasing considerably of every profession and trade power consumption, the simultaneous electrical fire also presents the trend that rises year by year, and the country and people's the security of the lives and property has been caused grievous injury.Owing in increase, will occur catabiosis in various degree with electric line, can cause the generation of leaky like this, and bring out electrical fire along with service time.Then accelerated aging speed with long overload of electric line or overvoltage operation.Therefore effectively control the fire that factors such as electric leakage, short circuit, overload and overvoltage are drawn, most important to current fire-fighting work." Code for fire protection design of high rise buildings " (GB50045-2005) standard the occasion of Electric Leakage Fire Alarm need to be installed, prevent the generation of electrical fire.

Simultaneously, current energy day is more in short supply, and simple has been difficult to satisfy people's need for electricity by the expansion generated energy, and more should using electricity wisely, and Fa Dian mode is improved the shortage of electric power situation as required.So usually effectively monitor the electricity consumption situation by the network multifunctional electric meter being installed and being set up electric energy management system, the raising power consumption efficiency cuts down the consumption of energy.Like this on same node, a plurality of systems need be installed simultaneously.If independently installing, each system not only increased unnecessary redundancy, and the installation wiring difficulty that increases, take more space, it is also not too convenient to safeguard.

At present, up-to-date fire detector is the following problem of ubiquity also: 1: because fire-alarm and isolating switch, fire detector all is packaged together, so volume is very big, make switch cubicle also will increase, be not easy to the transformation and upgrade of old system like this, simultaneously since be installed in that switch cubicle inside is not easy to the staff check duty and operation, in addition because isolating switch is subjected to volume restrictions, occasion at big electric current can't meet the demands, prepare dumb 2: existing fire detector major part all is that function ratio is more single, as special measurement residual current, special temperature or the smog measured has perhaps included only wherein one or two function, and integrated level is not high.If a plurality of instrument are installed simultaneously a power distribution cabinet the inside, must cause the space crowded, the cabling complexity has reduced reliability.3: existing network multifunctional electric meter does not possess the function that residual current, conductor temperature are detected in real time yet, the fire-fighting function of more non smoke interlock, fire-fighting link.

Summary of the invention

The purpose of this utility model is exactly that a kind of integrated level height, electrical fire integrated monitoring apparatus that reliability is high are provided in order to overcome the defective that above-mentioned prior art exists.

The purpose of this utility model can be achieved through the following technical solutions:

A kind of electrical fire integrated monitoring apparatus; it is characterized in that; this device comprises CPU (central processing unit); temperature detecting module; the current signal conditioning module; the voltage signal conditioning module; residual current signal condition module; the electric parameter acquisition module; real-time clock module; the power down memory module; key-press module; the LCD LCD MODULE; the LED indicating module; the sound and light alarm module; the interlock load module; the protection output module; the dual communication module; described electric parameter acquisition module respectively with the current signal conditioning module; the voltage signal conditioning module; residual current signal condition module connects, described CPU (central processing unit) respectively with temperature detecting module; the electric parameter acquisition module; real-time clock module; the power down memory module; key-press module; the LCD LCD MODULE; the LED indicating module; the sound and light alarm module; the interlock load module; the protection output module; the dual communication module connects.

Described dual communication module be provided with two-way based on the communication line of the MODBUS-RTU agreement of RS485 or a roadbed CAN bus protocol and a roadbed in the communication line of the MODBUS-RTU of RS485 agreement.

This device also is provided with power module, and this power module is connected with each module of whole device.

Compared with prior art, the utlity model has following advantage:

1, this device adopts embedded installation, still keeps smaller volume under the situation that realizes repertoire, very convenient installation and checking.Simultaneously,, prepare quite flexibly, can satisfy the demand of different application occasion, also make things convenient for the upgrading of original system by the mode that the user matches voluntarily owing to adopted isolating switch externally.

2, this device integrated level height has been integrated the function of electrical fire monitor and multifunctional network electric instrument comprehensively, has realized multiple-in-one, a-table-multi-purpose.This device has the monitoring residual current, conductor temperature, overload, overvoltage, phase shortage, the function of electrical safety factors such as smog and fire-fighting link, electric current, voltage, active power, reactive power, the power factor (PF) of going back the energy measurement three-phase simultaneously, power factor angle, mains frequency, four-quadrant electric energy, and the function of fundamental energy.

3, this device possesses the dual communication function, can be simultaneously and fire-fighting system and electric power monitoring system or other host computers realize on-line communication, and guaranteed the electrical isolation of two systems, interfere with each other between anti-locking system, guarantee the reliability and stability of communication.This device realize two-way based on the communication of the MODBUS-RTU agreement of RS485 or a roadbed CAN bus protocol and a roadbed in the communication of the MODBUS-RTU of RS485 agreement, two-way communication can be matched arbitrarily.

4, this device can be provided with alarm parameters flexibly according to user's actual conditions, and alarming threshold value can be set, the action delay time, and to the processing mode of fault.Make this device can adapt to the different application occasion, the not malfunction of real implement device and not tripping.

Whether 5, this device can detect in real time to node temperature, and can break with whether short circuit carries out online detection to temperature sensor, and makes alarm.Can prevent from further to improve the reliability of device because the defencive function that sensor fault draws lost efficacy.

Description of drawings

Fig. 1 is the structural representation of a kind of electrical fire integrated monitoring apparatus of the utility model.

Embodiment

Below in conjunction with the drawings and specific embodiments the utility model is elaborated.

As shown in Figure 1; a kind of electrical fire integrated monitoring apparatus; this device comprises CPU (central processing unit) 1; temperature detecting module 2; current signal conditioning module 3; voltage signal conditioning module 4; residual current signal condition module 5; electric parameter acquisition module 6; real-time clock module 7; power down memory module 8; key-press module 9; LCD LCD MODULE 10; LED indicating module 11; sound and light alarm module 12; interlock load module 13; protection output module 14; dual communication module 15; described electric parameter acquisition module 6 respectively with current signal conditioning module 3; voltage signal conditioning module 4; residual current signal condition module 5 connects, described CPU (central processing unit) 1 respectively with temperature detecting module 2; electric parameter acquisition module 6; real-time clock module 7; power down memory module 8; key-press module 9; LCD LCD MODULE 10; LED indicating module 11; sound and light alarm module 12; interlock load module 13; protection output module 14; dual communication module 15 connects.

Wherein, that the various signals of the 1 pair of corresponding module of CPU (central processing unit) input carry out Treatment Analysis and corresponding output is sent on the corresponding module, realize the various functions of this device.Whether 2 pairs of node temperatures of temperature detecting module detect in real time, can break with whether short circuit carries out online detection to temperature sensor simultaneously.3 pairs of three-phase current signals of current signal conditioning module are nursed one's health, and the current signal after will nursing one's health is input in the electric parameter acquisition module 6 and handles.4 pairs of three-phase voltage signals of voltage signal conditioning module are nursed one's health, and the voltage signal after will nursing one's health is input in the electric parameter acquisition module 6 and handles.5 pairs of residual current signals of residual current signal condition module are nursed one's health, and the residual current signal after will nursing one's health is input in the electric parameter acquisition module 6 and handles.Electric current, voltage and residual current signal after 6 pairs of process conditionings of electric parameter acquisition module focus on, obtain residual current, the electric current of three-phase, voltage, active power, reactive power, power factor (PF), power factor angle, mains frequency, four-quadrant electric energy, and data such as fundamental energy, and the data after will handling are delivered to CPU (central processing unit) 1 and are carried out post-processed.Real-time clock module 7 makes things convenient for fault analysis for failure logging provides the real-time clock benchmark.Power down memory module 8 still can be preserved failure logging and basic setup information for device provides data storage service after power down.Key-press module 9 makes things convenient for the staff that this device is carried out setting operation, realizes man-machine interaction.LCD LCD MODULE 10 is on-the-spot for the staff provides the demonstration of real time data at device, makes things convenient for the staff to check information and carries out man-machine interaction.LED indicating module 11 is the fault state of reaction unit running status, communication conditions and circuit simply and intuitively.Sound and light alarm module 12 makes things convenient for the staff very first time to send the trouble spot when breaking down.

Interlock load module 13 is realized and the interlock of FAS fire-fighting system, make things convenient for the staff to cut off the distribution power supply in the very first time, and the interlock of realization and smoke transducer, further improve the fire hazard monitoring scope, reduce the fire area, do not disconnect the fire second time that causes owing to powering when preventing fire.Protection output module 14 is handled fault according to the situation that is provided with before, realizes the warning teletransmission and the protection of threading off.

Can adopt the mode of threading off and protecting in security and the general consumer of reliability requirement, directly cut off the electricity supply and alert notice; And be not suitable for cutting off the power supply or important consumer can adopt the mode of warning, under the situation of can not cutting off the electricity supply like this, report malfunction timely.Dual communication module 15 possess two-way based on the communication of the MODBUS-RTU agreement of RS485 or a roadbed CAN bus protocol and a roadbed in the communication of the MODBUS-RTU of RS485 agreement, the two-way communication can be matched arbitrarily; When device respectively and two systems can be real when linking two systems of realization between electrical isolation, prevent the interference between different system, improve reliability.Power module is converted to multi-channel dc power supply with AC power, for each module of whole device provides working power.

Claims

1. electrical fire integrated monitoring apparatus; it is characterized in that; this device comprises CPU (central processing unit); temperature detecting module; the current signal conditioning module; the voltage signal conditioning module; residual current signal condition module; the electric parameter acquisition module; real-time clock module; the power down memory module; key-press module; the LCD LCD MODULE; the LED indicating module; the sound and light alarm module; the interlock load module; the protection output module; the dual communication module; described electric parameter acquisition module respectively with the current signal conditioning module; the voltage signal conditioning module; residual current signal condition module connects, described CPU (central processing unit) respectively with temperature detecting module; the electric parameter acquisition module; real-time clock module; the power down memory module; key-press module; the LCD LCD MODULE; the LED indicating module; the sound and light alarm module; the interlock load module; the protection output module; the dual communication module connects.

2. a kind of electrical fire integrated monitoring apparatus according to claim 1, it is characterized in that, described dual communication module be provided with two-way based on the communication line of the MODBUS-RTU agreement of RS485 or a roadbed CAN bus protocol and a roadbed in the communication line of the MODBUS-RTU of RS485 agreement.

3. a kind of electrical fire integrated monitoring apparatus according to claim 1 is characterized in that this device also is provided with power module, and this power module is connected with each module of whole device.