CN218004189U - Safety monitoring device of industrial park - Google Patents
Safety monitoring device of industrial park Download PDFInfo
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- CN218004189U CN218004189U CN202222230906.5U CN202222230906U CN218004189U CN 218004189 U CN218004189 U CN 218004189U CN 202222230906 U CN202222230906 U CN 202222230906U CN 218004189 U CN218004189 U CN 218004189U
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Abstract
The utility model discloses a safety monitoring device of industrial park, monitoring device includes temperature monitoring circuit, temperature change rate monitoring circuit, safety monitoring circuit, temperature change rate monitoring circuit, safety monitoring circuit interconnect, temperature monitoring circuit monitoring ambient temperature obtains temperature signal, obtains monitoring signal through temperature signal to with temperature signal output to temperature change rate monitoring circuit, with monitoring signal output to safety monitoring circuit, temperature change rate monitoring circuit receives temperature signal to output change rate signal to safety monitoring circuit, safety monitoring circuit control temperature change rate circuit's signal reception and signal output judge the monitoring signal who receives simultaneously and change rate signal, judge the back, report to the police and indicate, power off protection to send out the help signal, realized the more accurate safety monitoring to the industry park, also guaranteed that the valuable resources of conflagration that can not cause the rescue waste.
Description
Technical Field
The utility model relates to a safety monitoring field especially relates to a safety monitoring device of industrial park.
Background
Safety accidents may occur in industrial production, accident information can be timely reflected to the monitoring terminal through the connection communication network to be reminded, so that response measures can be timely taken, and automatic safety accident treatment is realized. A fire is a common safety hazard. In the prior art, generally, when a fire disaster occurs, the fire intensity is not judged, and a rescue alarm can be sent out at the first time. However, resources for fire rescue are limited and precious, the fire protection popularization is wide at present, most field personnel have certain fire protection capability, when the fire is small, fire extinguishers on the fire scene are complete, the field personnel have the capability of extinguishing the fire, the fire is not judged, the rescue alarm is sent out at the first time, the safety of an industrial park is guaranteed, the situation is unnecessary, and the precious fire rescue resources are wasted unnecessarily.
In the journal, "indoor fire evacuation path dynamic optimization method with real-time threat situation awareness", it is explained that, when detecting a fire development situation, temperature detection can more effectively detect a fire development trend than smoke, CO, and CO2 detection; the research on the temperature, resistance and throttling effect of a fire area in mine roadway fire, the analysis on the distribution of temperature fields of underground comprehensive pipe gallery cables and the flow characteristics of smoke, and the law of temperature change of fire smoke flowing in a building channel, which are published by Master treatises, explain various development stages of fire behavior, wherein the temperature and temperature change speed of smoke and the size and flow direction of the smoke are related to the information of actual environment, and the application with the patent number of CN216450167U is found through retrieval.
Therefore, a safety monitoring device for an industrial park is designed based on the above problems.
Disclosure of Invention
The utility model provides a safety monitoring device of industry garden to above problem, utilize flue gas temperature and ambient temperature, can judge the intensity of a fire when taking place the conflagration, in the conflagration hour, the timely sounding of this application is reported to the police, arouse the attention of conflagration scene personnel, carry out timely action of putting out a fire, when the intensity of a fire has the trend of grow, this application in time sends the signal of seeking help to the distal end, carry out the fire rescue resource of distal end and seek help, when guaranteeing that the safety monitoring to the industry garden is more accurate, also guaranteed can not cause the waste to the conflagration rescue resource of quality.
The utility model relates to a safety monitoring device of an industrial park, which comprises a temperature monitoring circuit, a temperature change rate monitoring circuit and a safety monitoring circuit;
the temperature monitoring circuit, the temperature change rate monitoring circuit and the safety monitoring circuit are connected with each other;
the temperature monitoring circuit monitors the ambient temperature, outputs a temperature signal to the temperature change rate monitoring circuit and outputs a monitoring signal to the safety monitoring circuit;
the temperature change rate monitoring circuit receives the temperature signal and outputs a change rate signal to the safety monitoring circuit;
the safety monitoring circuit controls signal receiving and signal output of the temperature change rate circuit, meanwhile, received monitoring signals and change rate signals are judged, after judgment, alarming prompt and power-off protection are carried out, and help signals are sent to the monitoring platform.
The technical scheme includes that the temperature monitoring circuit monitors the environment temperature to obtain a temperature signal, the temperature represented by the temperature signal exceeds a set temperature, the temperature change rate monitoring circuit and the safety monitoring circuit are controlled to start working, the temperature signal is divided into two paths, one path is directly output to the temperature change rate monitoring circuit, the other path is subjected to subtraction operation to obtain a monitoring signal, and the monitoring signal is output to the safety monitoring circuit.
The technical scheme is that the temperature change rate monitoring circuit performs subtraction operation on the received temperature signal to obtain a change rate signal, and outputs the change rate signal to the safety monitoring circuit.
The technical scheme includes that the safety monitoring circuit controls the temperature change rate circuit to start working after monitoring that the alarm of a worker is cancelled.
The utility model discloses the beneficial effect who realizes:
when the device is in fire, if the fire is small, the loudspeaker BY1 in the safety monitoring circuit sends out an alarm prompt sound, similarly to the situation that 'monitoring is carried out to have fire, the worker is requested to process in time', the worker is timely reminded of having fire, so that the worker can carry out quick fire extinguishing action, after arriving at the scene, the worker can judge to extinguish the fire, the alarm can be cancelled, panic caused BY the fire alarm is avoided, after the alarm is cancelled, the device utilizes the safety monitoring circuit and the temperature change rate circuit to further monitor the fire, accurate control of the fire is guaranteed, if the fire is controlled BY people, the fire is extinguished, the device automatically resets, a fire brigade is not required to be called for help, precious rescue resources are not wasted, if the fire is not controlled BY the worker, when the situation is judged to have a growing trend, the loudspeaker BY2 in the safety monitoring circuit sends out an alarm prompt sound, similarly to 'fire, request a working position to go to a safety place', the worker is timely reminded, the safety monitoring circuit sends out an evacuation help signal, and people go to a far end; when having monitored that the conflagration takes place, this device cuts off the power supply from the main power supply, guarantees that working line and consumer cut off the power supply, has avoided the emergence of electric fire and electric shock accident, and the safety monitoring circuit of this device also can carry out unmanned monitoring in addition, and when industrial park nobody, can send the signal of seeking help to monitor platform automatically to realize the distal end rescue, further reduced unnecessary loss of property.
Drawings
Fig. 1 is a functional block diagram.
Fig. 2 is a schematic diagram of a temperature monitoring circuit.
FIG. 3 is a schematic diagram of a temperature rate of change monitoring circuit.
Fig. 4 is a schematic diagram of a safety monitoring circuit.
Detailed Description
The safety monitoring device for an industrial park according to the present invention will be described in detail with reference to the accompanying drawings and embodiments.
A safety monitoring device for an industrial park comprises a temperature monitoring circuit, a temperature change rate monitoring circuit and a safety monitoring circuit;
the temperature monitoring circuit, the temperature change rate monitoring circuit and the safety monitoring circuit are connected with each other;
the temperature monitoring circuit monitors the ambient temperature, outputs a temperature signal to the temperature change rate monitoring circuit and outputs a monitoring signal to the safety monitoring circuit;
the temperature change rate monitoring circuit receives the temperature signal and outputs a change rate signal to the safety monitoring circuit;
the safety monitoring circuit controls signal receiving and signal output of the temperature change rate circuit, judges the received monitoring signal and the change rate signal, and carries out alarm prompting and power-off protection after judgment and sends out a help-seeking signal.
The temperature monitoring circuit monitors the ambient temperature to obtain a temperature signal, the temperature represented by the temperature signal exceeds a set temperature, the temperature change rate monitoring circuit and the safety monitoring circuit are controlled to start working, the temperature signal is divided into two paths, one path is directly output to the temperature change rate monitoring circuit, the other path is subjected to subtraction operation to obtain a monitoring signal, and the monitoring signal is output to the safety monitoring circuit;
the temperature monitoring circuit can utilize a thermal resistor in the prior art, such as PT100, which has larger resistance as the ambient temperature rises, and the resistance value is in positive correlation with the temperature, besides, a proper temperature sensor can be used, or PT100/1000 series sensors can be used, the technical means for acquiring the temperature in the prior art are many, and redundant description is not repeated; the thermal resistor can be placed at the original smoke monitoring device, and can also be placed at other positions according to actual conditions; the environment temperature comprises the smoke temperature and the indoor temperature, namely the smoke temperature and the indoor temperature can be monitored when a fire disaster happens, and the defect that monitoring is not accurate due to the fact that the smoke flow direction is not correct and the smoke is small when the smoke monitoring is conducted can be overcome;
the temperature monitoring circuit utilizes a thermal resistor RT to obtain the ambient temperature, the voltage on the thermal resistor RT is the temperature signal of the temperature monitoring circuit, when the temperature signal enables an MOS tube Q4 to be conducted, the ambient temperature at the moment reaches the set temperature, namely the temperature represented by the temperature signal exceeds the set temperature, the relay K3 is electrified at the moment, the normally open contact K3-1 and the normally open contact K3-2 of the relay are closed, a temperature change rate control circuit and a safety monitoring circuit start to work, fire monitoring is started, the set temperature can be changed by changing the voltage stabilizing value of a voltage stabilizing tube D6, therefore, monitoring is not carried out when the ambient temperature is normal, energy saving is achieved, a standard signal circuit is formed by the resistor R2 and the variable resistor R3, the standard signal circuit outputs a standard signal, the standard signal represents the temperature when the fire happens just happens, the fire is small, the temperature when the fire is small can be changed by changing the resistance value of the variable resistor R3, regulation can be carried out according to actual requirements, universality is achieved, after the temperature signal enables the MOS tube Q4 to be conducted, one path of the temperature signal is directly output to the temperature monitoring circuit, the temperature signal is directly output to a subtraction circuit, and the AR signal monitoring circuit is carried out to the subtraction operation to monitor, and the safety monitoring circuit, and the safety signal calculation is carried out, and the safety monitoring circuit, and the safety signal is carried out.
The temperature change rate monitoring circuit performs subtraction operation on the received temperature signal to obtain a change rate signal, and outputs the change rate signal to the safety monitoring circuit;
the temperature change rate monitoring circuit receives a temperature signal, only when a normally open contact K3-2 of a relay K3 is closed, the temperature change rate monitoring circuit can receive the temperature signal, after the temperature signal is received, the received temperature signal is delayed by a capacitor C1, an operational amplifier AR2 is used for carrying out subtraction operation on the temperature signal received in real time and the temperature signal delayed by the capacitor C1 to obtain a change rate signal, the change rate signal is convenient to further understand, the change rate signal can be summarized as the temperature at the moment and the temperature at the previous moment, so that the change of the temperature is obtained, namely the change rate signal of the application, when the temperature monitoring circuit monitors that the environmental temperature is abnormal, the reason that the voltage on the capacitor C1 suddenly changes, when the temperature change rate needs to be monitored, if the reverse phase input end of the operational amplifier AR1 simultaneously receives the temperature signal, the obtained change rate is incorrect, the voltage on the capacitor C1 suddenly changes, and the temperature change rate monitoring circuit can directly judge the temperature change trend of the fire behavior, so that the temperature change rate is more accurate.
The safety monitoring circuit controls the signal receiving and signal output of the temperature change rate circuit, judges the received monitoring signal and the change rate signal, performs alarm prompting and power-off protection after judgment, and sends a help-seeking signal, wherein the safety monitoring circuit controls the temperature change rate circuit to start working after monitoring that an alarm is cancelled by a worker;
the safety monitoring circuit receives monitoring signals BY using a voltage regulator tube D1 and a voltage regulator tube D2 simultaneously, the stable voltage value of the voltage regulator tube D2 is larger than that of the voltage regulator tube D1, the voltage regulator tube D4 is used for receiving a change rate signal, when the voltage regulator tube D1 is broken down BY the received monitoring signals and the triode Q2 is conducted, the fact that a fire disaster occurs is monitored at the moment, the scale of the fire disaster is smaller, the loudspeaker BY1 sends out an alarm prompt tone for reminding a worker to timely process the fire disaster when the fire disaster occurs is monitored, the worker is reminded to come to fight a fire and extinguish the fire, meanwhile, the triode Q5 is conducted, the relay K4 is electrified, the normally closed contact K4-1 and the normally closed contact K4-2 of the relay are disconnected, so that the total power supply is powered off, the total power supply refers to the power supply of a normal working circuit and does not contain a fire-fighting emergency power supply, so that the working circuit and power consumption equipment are powered off, the electric fire and the electric shock accident of the personnel are effectively prevented, after the personnel arrive at the site, the personnel can judge that the fire can be put out through the existing fire-fighting equipment and fire-fighting measures, the alarm can be cleared BY pressing the Button, thereby reducing the unnecessary panic, wherein the Button is pressed to enable the switch to be automatically reset after being closed, the off state is recovered, when the Button is pressed to enable the switch to be closed to clear the alarm, the relay K2 is electrified, the normally closed contact K2-1 and the normally open contact K2-2 of the relay K2 are disconnected, the normally open contact K2-1 and the normally open contact K2-2 of the relay K2 are closed, the non-inverting input end of the operational amplifier AR2 in the temperature change rate control circuit receives the temperature signal, the normally closed contact K2-3 and the normally closed contact K2-4 of the relay K2 are disconnected, thereby the speaker BY1 stops working and cancels the alarm, if the personnel are monitored that the fire is not put out, when it is monitored that the fire increases and has a spreading trend, a received temperature signal enables a voltage regulator tube D2 to be broken down, a thyristor VTL1 is conducted, a triode Q1 is conducted, a relay K1 is electrified, a normally closed contact K1-3 of the relay K1 is disconnected, a normally open contact K1-1 of the relay K1 is closed, a temperature change rate circuit is controlled to output a change rate signal to a safety monitoring circuit, the safety monitoring circuit receives the change rate signal, if the change rate signal enables a voltage regulator tube D4 to be conducted, the fire further expands at the moment, the triode Q3 is conducted at the moment, a relay loudspeaker BY2 sends a ' fire hazard occurrence ' and requests people to withdraw a working post in time to reach a warning sound of a safety place ', and meanwhile, a resistor R15 is used for sending a help signal to a monitoring platform, so that remote help is achieved, the technology belongs to a remote monitoring technology in the prior art, the principle of the remote monitoring technology is used for sending help signals to managers and fire brigades through a communication network, and the technology is not detailed here, and can also receive the help signals and call 119 and the like automatically;
if the conflagration takes place, when the industrial park does not have the staff, the safety monitoring circuit also can automatic transmission seek help signal to monitor platform put out a fire and seek help, nobody time, when the safety monitoring circuit monitored the conflagration and takes place, the temperature signal that the safety monitoring circuit received promptly makes triode Q1 switch on, relay K1 got the electricity this moment, relay K1's normally open contact K1-2 is closed, utilize resistance R14 to receive temperature signal, temperature signal makes triode Q3 switch on, resistance R15 sends the signal of seeking help to monitor platform, seek help of putting out a fire, unnecessary loss has further been reduced.
The utility model discloses when specifically using:
the temperature monitoring circuit of the device monitors the environmental temperature in a room of industrial production, when the environmental temperature is monitored to be higher than a set temperature, namely the environmental temperature is abnormal, an MOS tube Q4 of the temperature monitoring circuit conducts a relay K3 to be electrified, a normally open contact K3-1 and a normally open contact K3-2 of the relay are closed, a temperature change rate control circuit and a safety monitoring circuit are controlled to start working, the temperature monitoring circuit obtains a temperature signal and a monitoring signal according to the monitored environmental temperature and outputs the temperature signal to the change rate monitoring circuit, the monitoring signal is output to the safety monitoring circuit, the safety monitoring circuit firstly judges the monitoring signal, when the fire is just generated and the fire is small, a triode Q2 of the safety monitoring circuit is conducted, a loudspeaker BY1 sends an alarm prompt sound for ' monitoring the occurrence of fire and asking a worker to process ' in time ', reminding workers to come to fire and extinguish fire, simultaneously switching on the triode Q5, electrifying the relay K4, switching off the normally closed contact K4-1 and the normally closed contact K4-2 of the relay K4 to cut off the working line and the electric equipment, preventing the occurrence of electrical fire and personnel electric shock accidents, judging the site fire after the workers arrive, if the existing fire-fighting equipment and fire-fighting measures can put out the fire, clearing the alarm BY pressing the Button to reduce unnecessary panic, when the Button is pressed to close the switch to clear the alarm, electrifying the relay K2 of the safety monitoring circuit, switching off the normally closed contact K2-1 and the normally open contact K2-2 of the relay K2, switching on the normally open contact K2-1 and the normally open contact K2-2 of the relay K2, controlling the temperature change rate circuit to start working, and if the safety monitoring circuit judges the monitoring signal, when judging that a worker does not extinguish a fire, and the fire situation increases and tends to spread, the triode Q1 is conducted, the relay K1 is electrified, the normally closed contact K1-3 of the relay K1 is disconnected, the normally open contact K1-1 of the relay K1 is closed, the complete monitoring circuit judges a change rate signal output BY the temperature change rate circuit again, if the fire situation is judged to be increased and tends to spread, the triode Q3 is conducted, the loudspeaker BY2 sends out ' fire occurrence ', the worker is requested to evacuate the working position in time, the warning sound of a safety position ' is obtained, meanwhile, the resistor R15 is utilized to send out a help signal to the monitoring platform, so that remote help is realized, the fire can be normally monitored even when no person exists, the safety monitoring circuit directly judges a monitoring signal output BY the temperature monitoring circuit at the moment, after the fire occurrence is judged, the triode Q5 is conducted, the relay K4 is electrified, the normally closed contact K4-1 of the relay K4 and the normally closed contact K4-2 are disconnected, the working circuit and the electrical equipment are powered off, the fire occurrence of the fire is prevented, the resistor Q3 is simultaneously, and the relay K4 is utilized to send out a far-help signal to realize the fire-seeking platform.
The utility model discloses the beneficial effect who realizes:
1. the temperature monitoring circuit can monitor the fire development situation more accurately by using the temperature, and can control whether the temperature change rate circuit and the safety monitoring circuit work or not according to the actual requirement, thereby realizing energy conservation;
2. the temperature change rate circuit monitors the change rate of the temperature to further judge the development situation of the fire, and the accuracy of judgment of the fire is further guaranteed;
3. the utility model provides a safety monitoring circuit utilizes the monitoring signal of temperature monitoring circuit output and the rate of change signal of temperature rate of change circuit output simultaneously, the signal of two kinds of different monitoring conflagrations carries out the judgement of conflagration development situation, the accuracy of conflagration situation judgement has been guaranteed, in addition carry out different warning voice prompt according to the intensity of a fire, further make clear and determine the work that each stage needs to do, when having guaranteed that the conflagration takes place, each item work can go on in order, safety monitoring circuit carries out different control under someone and unmanned two kinds of circumstances simultaneously, the control dynamics has been guaranteed, because under someone's circumstances, also can carry out the auxiliary monitoring, the real time monitoring to the conflagration has been guaranteed, in above two kinds of circumstances, safety monitoring circuit control when the intensity of a fire has the tendency of stretching, can send the help signal to the control platform in time, carry out the help of distal end, thereby this application has realized when guaranteeing that the safety monitoring to the industrial park is more accurate, also guaranteed can not cause the waste to valuable rescue resource.
Claims (4)
1. The safety monitoring device for the industrial park is characterized by comprising a temperature monitoring circuit, a temperature change rate monitoring circuit and a safety monitoring circuit;
the temperature monitoring circuit, the temperature change rate monitoring circuit and the safety monitoring circuit are connected with each other;
the temperature monitoring circuit monitors the environment temperature to obtain a temperature signal, obtains a monitoring signal through the temperature signal, outputs the temperature signal to the temperature change rate monitoring circuit and outputs the monitoring signal to the safety monitoring circuit;
the temperature change rate monitoring circuit receives the temperature signal and outputs a change rate signal to the safety monitoring circuit;
the safety monitoring circuit controls signal receiving and signal output of the temperature change rate circuit, judges the received monitoring signal and the change rate signal, and carries out alarm prompting and power-off protection after judgment and sends out a help-seeking signal.
2. The safety monitoring device of claim 1, wherein the temperature monitoring circuit monitors the ambient temperature to obtain a temperature signal, the temperature signal represents a temperature exceeding a predetermined temperature, the temperature change rate monitoring circuit and the safety monitoring circuit are controlled to start operating, the temperature signal is divided into two paths, one path is directly outputted to the temperature change rate monitoring circuit, the other path is subtracted to obtain a monitoring signal, and the monitoring signal is outputted to the safety monitoring circuit.
3. The safety-monitoring apparatus of an industrial park as claimed in claim 1, wherein the temperature change rate monitoring circuit subtracts the received temperature signal to obtain a change rate signal, and outputs the change rate signal to the safety-monitoring circuit.
4. The safety-monitoring device of an industrial park according to claim 1, wherein the safety-monitoring circuit controls the temperature-change-rate circuit to start operating after the alarm is cancelled by the operator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222230906.5U CN218004189U (en) | 2022-08-24 | 2022-08-24 | Safety monitoring device of industrial park |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222230906.5U CN218004189U (en) | 2022-08-24 | 2022-08-24 | Safety monitoring device of industrial park |
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| Publication Number | Publication Date |
|---|---|
| CN218004189U true CN218004189U (en) | 2022-12-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222230906.5U Active CN218004189U (en) | 2022-08-24 | 2022-08-24 | Safety monitoring device of industrial park |
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|---|---|
| CN (1) | CN218004189U (en) |
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2022
- 2022-08-24 CN CN202222230906.5U patent/CN218004189U/en active Active
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