CN201796453U

CN201796453U - Bus-type electric fire hazard monitoring system

Info

Publication number: CN201796453U
Application number: CN2010205147758U
Authority: CN
Inventors: 王飞; 梁可标; 黎小明; 徐杏参
Original assignee: FOSHAN NANDIAN SWITCH Co Ltd
Current assignee: GUANGDONG NANGUAN ELECTRICAL CO., LTD.
Priority date: 2010-09-02
Filing date: 2010-09-02
Publication date: 2011-04-13
Anticipated expiration: 2020-09-02

Abstract

The utility model discloses a bus-type electric fire hazard monitoring system, which comprises a monitoring equipment and a plurality of bus controllers, wherein, the bus controllers are connected with the monitoring equipment; the bus controllers are connected with a first bus and a second bus; and the first bus and the second bus are connected with a plurality of basic detectors in parallel. The bus controllers and the basic detectors of the bus-type electric fire hazard monitoring system are matched with each other, so that states such as interference, open circuit, short circuit, failure of detected components and the like can be monitored closely, and on-line monitoring can be achieved; warning or prewarning signals are sent out when failure or over limit occurs so as to remind working personnel of eliminating the potential hazard of failure, so that the safety of the system can be ensured; the first bus and the second bus are signal transmission channels and are also power cords at the same time, and the first bus and the second bus are integrated so as to effectively save resources; in addition, a user can conveniently articulate the basic detectors as much as possible according to the needs, so as to ensure that the bus-type electric fire hazard monitoring system can monitor an electrical system roundly.

Description

The bus type electric fire monitoring system

Technical field

The utility model relates to a kind of safety monitoring system, particularly a kind of bus type electric fire monitoring system.

Background technology

Electric fire disaster monitoring warning system commonly used, form by host computer (monitoring host computer) and detector, and detector can be divided into the residual-current electrical fire monitoring alarm detector and the split type residual-current electrical fire monitoring alarm detector of integral type.The key distinction of integral type and split type detector is: 1, the former contains main circuit breaker, and the latter does not then have; 2, detectable three road electric currents of integral type or one road leakage current (need external zero-sequence transformer) and accept outside heat detector, smoke detector and combustible gas probe, split type 8 road current probes or 8 road zero-sequence current detectors and smoke detector or the heat detector then can accepted; 3, the more split type price of integral type is expensive.Their common ground is that power lead and signal wire are self-existent, and is incompatible, and the transmission voltage of power lead is 220V, is not difficult to find out from the above description, and the current intrinsic shortcoming of electric fire disaster monitoring warning system is: 1, Jian Kong detector is less; 2, power lead and signal wire are incompatible, the wasting of resources; 3, make up large-scale system and need spend bigger cost.

Summary of the invention

For addressing the above problem, the utility model provide a kind of monitoring detector quantity many, be easy to expand, economize on resources, bus type electric fire monitoring system that security performance is high.

The utility model is that the technical scheme that its problem of solution is adopted is:

The bus type electric fire monitoring system, the some bus controllers that comprise watch-dog and be connected with watch-dog, described bus controller are connected with first bus and second bus, on first bus and second bus and be connected to some basic detectors.

Wherein, described basic detector comprises intelligent measurement and control unit and the some signal sensors that are connected with the intelligent measurement and control unit input end, and described intelligent measurement and control unit is connected on first bus and second bus.

Further, described bus controller is connected with watch-dog by the RS485 bus.

Further, described watch-dog is connected with Surveillance center by the CAN bus.

Further, the utility model comprises split type detector, and described split type detector is connected with watch-dog.

Further, the utility model comprises the integral type detector, and described integral type detector is connected with watch-dog.

Further, the utility model comprises the independent control that is used to realize fire-fighting link, and described independent control is connected with watch-dog.

Basic detector of the present utility model can be surveyed the various parameters of electrical equipment, as the residual current size, the current/voltage size, part temperatures height etc., it transmits Information Monitoring by first bus and second bus to bus controller, accept control command, bus controller is responsible for providing power supply to bus, finish the receipts of signal, the work of sending out, the monitoring bus state, handle the electric parameter that basic detector is gathered, and an information of gathering sends watch-dog to, according to above-mentioned working method, bus controller can disturb by monitor closely, open circuit, short circuit, states such as exploring block fault are realized on-line monitoring, send in fault or when transfiniting and report to the police or early warning signal, remind staff's hidden danger of fixing a breakdown, guarantee security of system; The syndeton of ultimate system as can be seen, first bus and second bus are information transfer channel, are again power leads, power lead and signal transmssion line integrate, and can save resource effectively; Basic detector is to be attempted by respectively on first bus and second bus, the user can articulate basic detector as much as possible as required easily, can monitor electrical system all sidedly to guarantee this supervisory system, particularly be provided with when a plurality of when wherein bus controller, the detector quantity that native system can detect can further be expanded, thereby realizes utilizing the large-scale supervisory system of the original structure of extremely low one-tenth.In sum, the bus type electric fire monitoring system has very high technical economic benefit, has more market potential.

Description of drawings

The utility model is described in further detail below in conjunction with drawings and Examples:

Fig. 1 is that system of the present utility model connects block diagram;

Fig. 2 is the modular construction figure of the utility model watch-dog.

Embodiment

With reference to Fig. 1, bus type electric fire monitoring system of the present utility model, comprise watch-dog 1 and the some bus controllers 2 that are connected with watch-dog 1, described bus controller 2 is connected with on first bus 3 and second bus, 4, the first buses 3 and second bus 4 and is connected to some basic detectors 5.This basic detector 5 can be surveyed the various parameters of electrical equipment, and as residual current size, current/voltage size, part temperatures size etc., it transmits Information Monitoring by first bus 3 and second bus 4 to bus controller 2, accepts control command.Bus controller 2 is responsible for providing power supply to bus 3 and 4, finishes the sending and receiving work of signal, and monitoring bus 3 and 4 states are handled the electric parameter that basic detector 5 is gathered, and the information of gathering is sent to watch-dog 1.Watch-dog 1 is responsible for collecting the information that bus controller 2 is gathered, and when alerting signal arrives, sends sound, visual alarm and control signal, indication warning position, record and preservation information.In order to save system cost, bus controller 2 and watch-dog 1 often fit together, but in relatively large electric fire monitoring system, two devices also can be installed in different positions respectively.

First bus 3 and second bus 4 are supply line, it is again the passage that information is transmitted, its general 18V-24V voltage that uses, the longest connections distance can reach 1000m under non-relay situation, substantially detector with and the mode that connects be mounted on the bus, capacity is supported dozens of, in addition, system can also utilize the mode that a plurality of bus controllers 2 are installed to expand, under the situation of this expansion, the detector quantity of this supervisory system support monitoring is more, and monitoring function is more perfect.

In actual product, some signal sensors 7 that basic detector 5 generally comprises intelligent measurement and control unit 6 and is connected with intelligent measurement and control unit 6 input ends, described intelligent measurement and control unit 6 is connected to respectively on first bus 3 and second bus 4, wherein the type of this signal sensor 7 can be provided with according to the difference of detection signal type, intelligent measurement and control unit 6 inside are provided with and the corresponding measurement and control unit of signal sensor 7 types, can be used for the detection signal of signal sensor 7 is carried out pre-service, guarantee that its output signal can be through bus 3 and 4 transmission.

In order to communicate better between bus controller 2 and the watch-dog 1, the described bus controller 2 preferred RS485 buses 8 of passing through are connected with watch-dog 1.At this moment, be provided with the RS485 bus processor in the watch-dog 1, shown in the watch-dog modular construction figure of Fig. 2, this RS485 bus processor can be handled the multichannel input.

Supervisory system of the present utility model can also be carried out networking with existing detector product, makes it with better function, and wherein, the utility model can comprise split type detector 11 and integral type detector 12, and they are connected with watch-dog 1 respectively.This setting has guaranteed that this supervisory system has good compatibility.Certainly, in order to realize the fire-fighting link function, the utility model can also comprise independent control 13, independent control 13 is connected with watch-dog 1, and this controller is provided with devices such as liquid crystal display, button, can carry out sound and light alarm, and timely fault location point, and carry out record.Above-mentioned split type detector 11, integral type detector 12 and independent control 13 generally all are based on the intelligent electric monitoring products of RS485 communication mode, they with watch-dog 1 between general all be that communication mode by RS485 is connected.

In addition, if bigger system, watch-dog 1 can also further be connected with Surveillance center 10 by CAN bus 9, and this Surveillance center can constitute a more massive system with many groups watch-dog simultaneously, utilize the power of computing machine, make that the level of intelligence of work is higher.At this moment, be provided with the CAN bus processor in the watch-dog 1, shown in the watch-dog modular construction figure of Fig. 2.

Continuation is with reference to Fig. 2, watch-dog also comprises LCD, LED indication, button, extension memory, warning expansion equipment, power supply and standby power supply device etc., based on above-mentioned structure, the utility model can also be realized classification limiting operation, scene or long-rangely thumb the functions such as electrical equipment that record, manual or automatic disengagement failure detector are monitored.

Certainly, the utility model is except above-mentioned embodiment, and other equivalents also should be within protection domain.

Claims

1. bus type electric fire monitoring system, it is characterized in that comprising watch-dog (1) and the some bus controllers (2) that are connected with watch-dog (1), described bus controller (2) is connected with first bus (3) and second bus (4), and first bus (3) and second bus (4) go up and be connected to some basic detectors (5).

2. bus type electric fire monitoring system according to claim 1, it is characterized in that described basic detector (5) comprises intelligent measurement and control unit (6) and the some signal sensors (7) that are connected with intelligent measurement and control unit (6) input end, described intelligent measurement and control unit (6) is connected on first bus (3) and second bus (4).

3. bus type electric fire monitoring system according to claim 1 is characterized in that described bus controller (2) is connected with watch-dog (1) by RS485 bus (8).

4. bus type electric fire monitoring system according to claim 1 is characterized in that described watch-dog (1) is connected with Surveillance center (10) by CAN bus (9).

5. bus type electric fire monitoring system according to claim 1 is characterized in that comprising split type detector (11), and described split type detector (11) is connected with watch-dog (1).

6. bus type electric fire monitoring system according to claim 1 is characterized in that comprising integral type detector (12), and described integral type detector (12) is connected with watch-dog (1).

7. bus type electric fire monitoring system according to claim 1 is characterized in that comprising the independent control (13) that is used to realize fire-fighting link, and described independent control (13) is connected with watch-dog (1).