CN2727870Y

CN2727870Y - Monitoring apparatus

Info

Publication number: CN2727870Y
Application number: CN 200420045570
Authority: CN
Inventors: 李日胜
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-05-10
Filing date: 2004-05-10
Publication date: 2005-09-21
Anticipated expiration: 2014-05-10

Abstract

The utility model relates to a monitoring apparatus for power environmental information acquisition, intelligent device information handling, safety and containment information handling, output control of the local, telemonitoring and alarm managing in various base stations, apparatus rooms and stores. The monitoring apparatus is composed of an information acquisition transmitter installation 1, a sensor signal access device 2, an information center processing unit 3, an output control device 4, an information output device 5, an intelligent device processing unit 6 and a man-machine interface device 7. The utility model is provided with a Digital Signal Processing, therefore the monitoring apparatus can conceal the phenomena of wrongly alarming. The patent of the utility model conceals the wrongly alarm and is a monitoring system with reasonable structure and powerful functions.

Description

Watch-dog

1, technical field:

The utility model is that dynamic environment information acquisition, smart machine information processing, safety precaution information processing are carried out in a kind of various base stations, machine room, warehouse of being used for, the technology of this locality of control output, remote monitoring, alarm management, the especially a kind of monitoring technique that can stop the mistake alarm.

2, background technology:

Existing supervisory system all is to adopt various sensor devices, by the collection to sensor signal, directly judges the state of sensor, thereby makes the judgement that whether produces alarm.Because supervisory system generally all uses at unattended environment, and there is the interference of various electric signal or other signals in environment, and this mode is very easy to produce the mistake alarm, brings a lot of troubles to the maintainer.If this situation often occurs, can not get safeguarding timely processing when will cause real appearance to be alarmed.In addition, moving such as alternating voltage through regular meeting's emersion wave, if the voltage of fluctuation then can be sent a large amount of alarms just in the critical point of alarm, bring very big inconvenience to maintenance work.Such as temperature, externally under the influence of environment, also can appear at the situation of the frequent alarm of critical point, there are not suitable processing means, bring a lot of problems to maintenance work certainly.At present, domestic supervisory system ubiquity the problems referred to above.

3, summary of the invention:

The objective of the invention is to overcome above-mentioned shortcoming and a kind of watch-dog of stopping mistake alarm is provided.

For achieving the above object, the watch-dog that the utility model provides comprises information acquisition sensor device, sensor signal access device, information center's treating apparatus, output-controlling device, information output apparatus, smart machine treating apparatus, human-computer interface device.

Above-mentioned information acquisition sensor device can be the alternating voltage current sensor, the three-phase electricity voltage-current sensor, and temperature sensor, various analog sensors such as humidity sensor or smog, water logging is stolen feelings, Boolean value output sensors such as Men Ci.These sensors all have isolation design, and guaranteeing has good buffer action between detected equipment or environment and the main equipment.

The sensor signal access device possesses 32 tunnel input channel, guarantees that by follow circuit input signal is not influenced by impedance variation.Possess the anti-misconnection circuit at this input end, filtering circuit is arranged, have the induction thunder to absorb circuit.

Information center's treating apparatus is the core of supervisory system, and it is by the A/D change-over circuit, program storage, and data-carrier store, the interface expanded circuit, real time clock circuit, watchdog circuit, eeprom circuit is formed.The burning program of watch-dog is in program storage inside.Certainly, this part circuit can use the higher chip of integrated level to finish.

Output-controlling device is the externally signal output of control of watch-dog, and it possesses the output of No. 8 relays, can be by state or the inner setting output control signal of information center's treating apparatus according to external sensor.It can control warning lamp, siren, electric door lock, light or other equipment.

Information output apparatus can be exported the switching value signal and by the intelligence interface outputting data signals, its switching value signal of exportable 16 tunnel, and the number of this output can increase or reduce as required.Intelligence interface can drive RS232/RS485, LAN, GPRS, SMS, CDMA1X, MODEM etc.

The smart machine treating apparatus is made up of RS232/RS485, and it carries out data interaction by information center's treating apparatus (3) to smart machine, and the smart machine data of acquisition are exported in the supervisory system storage or by information output apparatus.

Human-computer interface device is supervisory system and people's a interactive device, and we finish setting to supervisory system by this device, and inquiry detects etc.Monitor data can show at this device.

The utility model is a kind of simple for structure, dependable performance, and safeguard measure is good, stops the supervisory system of mistake alarm, and the various disturbing factors that produce the mistake alarm are got rid of, and stops the monitoring of mistake alarm effectively.

4, description of drawings:

Fig. 1 is a theory diagram of the present utility model;

Fig. 2-1,2-2 are sensor signal access device circuit;

Fig. 3 is information center's treating apparatus circuit;

Fig. 4 is the output-controlling device circuit;

Fig. 5 is the information output apparatus circuit;

Fig. 6 is a smart machine treating apparatus circuit;

Fig. 7 is the human-computer interface device circuit;

5, embodiment:

Theory diagram of the present invention includes sensor

signal access device

1 and 2 circuit, information center's treating apparatus 3 circuit, output-controlling device 4 circuit, information output apparatus 5 circuit, smart machine treating apparatus 6 circuit and human-computer interface device 7 circuit as shown in Figure 1.

See circuit diagram 2-1, Fig. 2-2, be sensor signal access device 1, at present circuit is described is 16 tunnel sensor place in circuit, and under the situations of 32 tunnel inputs, two parts circuit is identical.To the sensor of needs power supply, we provide working power by connection terminal for external sensor, and sensor signal is connected on the supervisory system by access device 1.Among the figure the 1st, 2 and 3 tunnel possesses lightning protection special protection circuit, is suitable for easily drawing as three-phase electricity sensor etc. the access of the sensor signal of thunder, and we are the input ports of 1,2,3 tunnel inputs as the three-phase electricity sensor in actual the use.Can find that from figure RB1 is the current-limiting resistance of every road signal input current-limiting protection, the DA1-DA31 among the figure is the limiter diode holding circuit, and the wrong of sensor in the project installation is had good protective effect.Simultaneously, every road sensor signal has interference protection measure, and the CA1-CA16 among the figure is 104 filter capacitor, and it has prevented the interference that various sensor signals are subjected to effectively in transmission.Sensor signal access device 2 switches the 1st pin of choosing U15 with each road input signal of sensor signal access device 1 by U15 electronic switch CD4067.Select the control address signal to produce 10,11,13 and 14 pin that are input to U15 by CPU.Output to the 7th pin of U16 behind the follow circuit of the 1st pin signal of U15 through the U16 composition.

In conjunction with Fig. 3, the U17 in information center's treating apparatus 3 circuit is 10 A/D change-over circuit TLC1543, and its 1st pin connects the 7th pin of U16, finishes analog to digital conversion.The U1 of this part device circuit, U2, U3, U4, U5 form a single-chip computer control system, wherein U1 is CPU, U2 is program storage 27C512, U3 is a data-carrier store 62256, U4 is address latch 74HC373, U5 is address decoder 74HC138, and they realize the information processing of total system.In this example, central processing unit CPU U1 adopts the two serial ports single-chip microcomputers of DC80C320, can realize two serial ports, handles so that insert smart machine.U8 and U9 are the I/O mouth chip 8255 of system extension, and the data of its output are linked into chip for driving U10, U11 and U12, in order to drive output-controlling device and information output apparatus.Be that data, address and control three-bus structure by single-chip microcomputer realized being electrically connected between U1, U2, U3, U4, U5, U8, the U9, the D0-D7 among the figure is a data bus, and A0-A15 is an address bus.U13 is real-time timepiece chip PCF8563, and for system provides real-time clock, the 5th and 6 of U13 is I2C bus SCL and SDA, by I/O mouth the 1st and the 2 pin simulation realization of single-chip microcomputer U1.

Output-controlling device 4 circuit mainly are made up of relay K 1 to K8 output circuit, and control signal is provided by the U12 in information center's treating apparatus 3 circuit.U12 is integrated Darlington complex pipe chip ULN2803.Relay K 1 to K8 adopts powerful device, can drive external lights, warning lamp, siren, air-conditioning, ventilation equipment etc.

Information output apparatus 5 circuit are the disconnector signal of optocoupler OP1 to OP16 output, in order to produce alarm output or other control output signal.Adopt optocoupler output to guarantee the reliable and security that is connected with miscellaneous equipment.Optocoupler OP1 to OP16 adopts P521, and its control signal is provided by U10 and the U11 in information center's treating apparatus 3 circuit, and U10 and U11 are bus driver chip 74HC244.Information output apparatus can utilize the RS232/RS485 interface in the circuit of smart machine treating apparatus 6 to carry out data output.

Smart machine treating apparatus 6 circuit comprise two serial interface circuit, and first serial ports is RS232, and interface chip U18 adopts MAX202, and second serial ports may be selected to be RS232 or RS485, specifically selected by J1, J2 and J3.The RS232 interface of second serial ports and first serial interface chip are shared, and the RS485 interface chip U19 of second serial ports adopts SN75176.The serial interface circuit all has the circuit that improves reliable lightning protection anti-surge voltage protection.RL1-RL4 among the figure, DV1-DV4, DT1-DT4 forms the circuit of lightning protection anti-surge voltage protection.

Human-computer interface device 7 circuit are made up of LCD module U1, LCD backlight control circuit, button input interface circuit, panel indicating circuit.LCD adopts bus mode to be connected with CPU, and button adopts the CPU interrupt mode, and the U2 among the figure is 8 input nand gate 74LS30, has under the situation of button, triggers CPU and produces interruption, can react to button fast.LCD among the figure adopts the LCD display of 128*64 dot matrix, and it can be programmed arbitrarily to dot matrix, shows Chinese character, English or pattern.

Claims

1, a kind of watch-dog, it is characterized in that: the utility model comprises information acquisition sensor device (1), sensor signal access device (2), information center's treating apparatus (3), output-controlling device (4), information output apparatus (5), smart machine treating apparatus (6), human-computer interface device (7), wherein between information acquisition sensor device (1) and the sensor signal access device (2) by being electrically connected the transmission of carrying out signal; Switch sensor signal by electronic switch between sensor signal access device (2) and the information center's treating apparatus (3), by information center's treating apparatus (3) sensor signal is handled and obtained external impetus, environment and the alarm switch data of importing by sensor; The output-controlling device (4) of control that is subjected to information central processing unit (3) is according to output control signals such as the state of external sensor, external command and other are provided with; Be subjected to the control information output unit (5) of information central processing unit (3) control to be provided with switching value output and the output of intelligence interface information; Smart machine treating apparatus (6) is provided with intelligence interface, is connected with external unit by intelligence interface, and the data of external smart equipment are handled and obtained to the information via information center treating apparatus (3) of intelligence interface; Human-computer interface device (7) directly is connected with information center's treating apparatus (3), and is provided with keyboard input and LCD demonstration or LED demonstration.

2, watch-dog according to claim 1 is characterized in that: be connected with between described information acquisition sensor device (1) and the sensor signal access device (2) prevent wiring error and cause device damage holding circuit, be connected with the filtering circuit that avoids interference and prevent to respond to the holding circuit that thunder impacts; Described sensor signal access device (2) supports analog quantity or switching value to insert.

3, watch-dog according to claim 1 is characterized in that: information output apparatus (5) selects output switching signal or by intelligence mouthful output information, intelligent mouthful comprises RS232/RS485, LAN, GPRS, SMS, CDMA1X, MODEM.

4, watch-dog according to claim 1 is characterized in that: described human-computer interface device (7) is provided with the configuration information of setting, inquiry, self check, display system, detecting information, alarm record and real-time time.

5, watch-dog according to claim 1 is characterized in that: described information acquisition sensor device (1) can be temperature, humidity, voltage, current analog quantity sensor, also can be smog, steals feelings, water logging, door status switch amount signal.

6, watch-dog according to claim 1, it is characterized in that: the U17 in described information center treating apparatus (3) circuit is 10 A/D change-over circuit TLC1543, its the 1st pin connects the 7th pin of U16, finish analog to digital conversion, U1, U2, U3, U4, U5 form a single-chip computer control system, wherein U1 is CPU, U2 is program storage 27C512, U3 is a data-carrier store 62256, U4 is address latch 74HC373, U5 is address decoder 74HC138, and they realize the information processing of total system; Described CPU (central processing unit) (CPU) U1 adopts the two serial ports single-chip microcomputers of DC80C320, can realize two serial ports, handles so that insert smart machine; U8 and U9 are the I/O mouth chip 8255 of system extension, and the data of its output are linked into chip for driving U10, U11 and U12, in order to drive output-controlling device and information output apparatus; Be that data, address and control three-bus structure by single-chip microcomputer realized being electrically connected between U1, U2, U3, U4, U5, U8, the U9; D0-D7 is a data bus, and A0-A15 is an address bus; U13 is real-time timepiece chip PCF8563, and for system provides real-time clock, the 5th and 6 of U13 is I2C bus SCL and SDA, by I/O mouth the 1st and the 2 pin simulation realization of single-chip microcomputer U1.

7; watch-dog according to claim 1 and 2; it is characterized in that: described sensor signal access device (1) is 16 tunnel sensor place in circuit; provide working power by connection terminal for external sensor; described sensor signal is connected on the supervisory system by access device (1); the 1st; 2 and 3 the tunnel possess lightning protection special protection circuit; RB1 is the current-limiting resistance of every road signal input current-limiting protection; DA1-DA31 is the limiter diode holding circuit; CA1-CA16 is 104 filter capacitor; sensor signal access device (2) switches the 1st pin of choosing U15 with each road input signal of sensor signal access device (1) by U15 electronic switch CD4067; select the control address signal to produce and be input to 10 of U15 by CPU; 11; output to the 7th pin of U16 behind the follow circuit that 13 and 14 pin, the 1st pin signal of U15 are formed through U16.