CN105607582A - Furniture warehouse safety monitoring system - Google Patents
Furniture warehouse safety monitoring system Download PDFInfo
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- CN105607582A CN105607582A CN201410575690.3A CN201410575690A CN105607582A CN 105607582 A CN105607582 A CN 105607582A CN 201410575690 A CN201410575690 A CN 201410575690A CN 105607582 A CN105607582 A CN 105607582A
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- data acquisition
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
A furniture warehouse safety monitoring system comprises a temperature and humidity sensor which is used for acquiring the temperature and humidity data of a warehouse and sending the temperature and humidity data to a data acquisition device, a smoke alarm which is used for acquiring the smoke data of the warehouse, judging whether the smoke data exceeds an upper limit, and sending a high-level alarm signal to the data acquisition device and starting the alarm function if the smoke data exceeds the upper limit, the data acquisition device which is used for receiving the temperature and humidity data and the alarm signal and forwarding the temperature and humidity data and the alarm signal to a control center principal computer, and the control center principal computer which is used for receiving and displaying to a user the temperature and humidity data and the smoke alarm signal forwarded by the data acquisition device. According to the invention, the temperature and humidity data and smoke data of a warehouse can be acquired and whether the concentration of smoke is over-standard can be judged, and an alarm signal is output if the concentration of smoke is over-standard; the temperature and humidity data and the alarm signal are sent back to the control center to enable the control center to know the status of the warehouse in a timely manner; the smoke alarm can start an alarm module to raise the alarm on site when the concentration of smoke is over-standard; and the safety is high.
Description
Technical field
The present invention relates to data acquisition technology field, particularly, relate to a kind of furniture storehouse safety monitoring system.
Background technology
Data acquisition technology general using sensor collection signal, and be transferred to on-the-spot host computer or remote control center by wired or wireless mode, its image data and control are very convenient, have very strong practicality at aspects such as industry, space flight, military affairs. The signal type gathering in data acquisition technology mainly comprises voltage signal, current signal, frequency signal and switching value signal, along with the development of modern technologies, for the voltage and current signal of the main outputting standard of sensor of collection signal, and sensor to be the signal of telecommunication that converts outside non-electric charge quantity signalling to standard export.
Along with modern development in science and technology, data acquisition technology is widely used and develops in various fields. Have higher requirement in precision to data acquisition, antijamming capability, safety and the aspects such as compatibility of communicating by letter simultaneously.
At furniture industry, furniture storehouse is the main place of depositing furniture raw material and finished product, and these places have higher fire prevention, waterproof requirement, and hand inspection exists careless omission unavoidably.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of furniture storehouse safety monitoring system, and this furniture storehouse safety monitoring system Real-time Collection storehouse data back, to control centre, is convenient to control centre and is understood in time storehouse situation.
The present invention addresses the above problem adopted technical scheme:
Furniture storehouse safety monitoring system, comprises data acquisition unit, smoke alarm, control centre's host computer, wherein: Temperature Humidity Sensor, give data acquisition unit for the humiture Data Concurrent that gathers storehouse; Smoke alarm, for gathering the smog data of storehouse, and judges whether smog data exceed higher limit, if exceed higher limit, sends the alarm signal of high level to data acquisition unit, and starts the warning function of self; Data acquisition unit, the alarm signal being sent to for receiving humiture data that Temperature Humidity Sensor is sent to and smoke alarm, and be transmitted to control centre's host computer by cable network or wireless network; Control centre's host computer, for receiving and showing to user humiture data and the smog alarm signal that data acquisition unit is forwarded to.
As a further improvement on the present invention, described data acquisition unit comprises microprocessor, power module, communication module, light-coupled isolation module, signal condition module, switching input module, analog input module, alarm module, described switching input module connects microprocessor by light-coupled isolation module, described analog input module is connected to microprocessor by signal condition module, described microprocessor also connects respectively power module, communication module, alarm module, described microprocessor also comprises AD modular converter, the input of this AD modular converter is connected with the output of signal condition module, the analog input module of described Temperature Humidity Sensor connection data harvester, the switching input module of described smoke alarm connection data harvester, the communication module of described data acquisition unit connects control centre's host computer by cable network or wireless network.
Further, described smoke alarm comprise gather smoke signal Smoke Sensor, upper limit threshold circuit, the comparison circuit of smokescope higher limit reference voltage are provided, two inputs of described comparison circuit are connected with the output of upper limit threshold circuit with the output of Smoke Sensor respectively, the input of output while connecting valve amount input module and alarm module.
Further, described comparison circuit is comparator, and described upper limit threshold circuit is the bleeder circuit being in series by two resistance.
As another improvement of the present invention, described signal condition module comprises the filtration module, linear optical coupling isolation module, the amplitude limit module that connect successively, and the output of amplitude limit module connects the input of AD modular converter.
As another improvement of the present invention, described switching input module comprises photo-coupler U1, capacitor C 1, resistance R 1, resistance R 2, capacitor C 1 is connected 12V power supply with resistance R 1 after resistance R 1 series connection, capacitor C 1 connecting valve amount signal input port, 2 inputs of photo-coupler U1 are connected in parallel on capacitor C 1 two ends, an one output head grounding, another output connects input and the resistance R 2 of microprocessor simultaneously, and resistance R 2 other ends connect 3.3V power supply.
Preferably, described communication module comprises the PHY chip that is connected with microprocessor and is connected to the RJ45 interface on PHY chip, and described microprocessor adopts the STM32F101 enhancement mode flash memory microcontroller of ST Microelectronics.
To sum up, the invention has the beneficial effects as follows: furniture storehouse safety monitoring system of the present invention can gather the humiture data in storehouse by Temperature Humidity Sensor, gather the smog data in storehouse and judge whether smokescope exceeds standard by smoke alarm, output alarm signal exceeds standard, humiture data and alarm signal are returned to control centre by data acquisition unit, be convenient to control centre and understand in time storehouse situation, in the time that smokescope exceeds standard, can start alarm module when smoke alarm and carry out onsite alarming, safe.
Brief description of the drawings
Fig. 1 is structured flowchart of the present invention;
Fig. 2 is the structured flowchart of smoke alarm;
Fig. 3 is the circuit diagram of switching input module.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the present invention is done to detailed description further, but embodiments of the present invention are not limited to this.
As shown in Figure 1, furniture storehouse safety monitoring system, comprises data acquisition unit, smoke alarm, control centre's host computer, wherein:
Temperature Humidity Sensor, gives data acquisition unit for the humiture Data Concurrent that gathers storehouse;
Smoke alarm, for gathering the smog data of storehouse, and judges whether smog data exceed higher limit, if exceed higher limit, sends the alarm signal of high level to data acquisition unit, and starts the warning function of self;
Data acquisition unit, the alarm signal being sent to for receiving humiture data that Temperature Humidity Sensor is sent to and smoke alarm, and be transmitted to control centre's host computer by cable network or wireless network;
Control centre's host computer, for receiving and showing to user humiture data and the smog alarm signal that data acquisition unit is forwarded to.
Described data acquisition unit comprises microprocessor, power module, communication module, light-coupled isolation module, signal condition module, switching input module, analog input module, alarm module, described switching input module connects microprocessor by light-coupled isolation module, described analog input module is connected to microprocessor by signal condition module, described microprocessor also connects respectively power module, communication module, alarm module, described microprocessor also comprises AD modular converter, and the input of this AD modular converter is connected with the output of signal condition module; The analog input module of described Temperature Humidity Sensor connection data harvester, the switching input module of described smoke alarm connection data harvester, the communication module of described data acquisition unit connects control centre's host computer by cable network or wireless network.
As shown in Figure 2, described smoke alarm comprise gather smoke signal Smoke Sensor, upper limit threshold circuit, the comparison circuit of smokescope higher limit reference voltage are provided, described comparison circuit is comparator, two input is connected with the output of upper limit threshold circuit with the output of Smoke Sensor respectively, the input of output while connecting valve amount input module and alarm module. Described upper limit threshold circuit is the bleeder circuit being in series by two resistance, two resistance rear ground connection of connecting, and one connects power supply, and the tie point between two resistance is output, and output voltage is the voltage that the resistance of ground connection is got.
The signals collecting of data acquisition unit mainly comprises voltage signal, current signal, frequency signal and switching value signal, along with the development of modern technologies, the voltage and current signal of the main outputting standard of sensor, and being the signal of telecommunication that converts outside non-electric charge quantity signalling to standard, exports by sensor, data acquisition unit in the present embodiment can with temperature sensor, humidity sensor, Smoke Sensor is connected, gather the voltage of these sensor outputs simultaneously, electric current, switching value input/output signal, and each part works alone, all adopt Signal Isolation Technology, in the present embodiment, data acquisition unit adopts RS485 to communicate by letter with host computer, use MODBUS agreement as communication protocol, be convenient to data acquisition unit and other industrial equipments are realized data sharing. in practical application, data acquisition unit also can adopt Ethernet to be connected with control centre host computer, and now, its communication module comprises the PHY chip being connected with microprocessor and be connected to the RJ45 interface on PHY chip,
Below the each main module structure of data acquisition unit is elaborated:
Described microprocessor adopts the STM32F101 enhancement mode flash memory microcontroller of ST Microelectronics, uses STM32F101 that sexual valence is higher as core processor, and clock multiplier post processing speed can reach 36MHz; Inside carries 12 AD ALT-CH alternate channels, ensures speed and the precision of data sampling and processing. STM32F101 comprises crystal oscillating circuit, reset circuit and SW program debugging interface circuit, crystal oscillating circuit is mainly system works needed clock is provided, by the clock register of initial configuration STM32F101 inside, can be by external clock frequency frequency multiplication to 36MHz; Hand-reset when reset circuit is mainly used in preventing data acquisition unit program fleet or crashes, add watchdog reset in program inside simultaneously, program is normally fed dog in the time of normal operation, and in the time of program fleet, data acquisition unit also can complete reset automatically, and program is re-executed; SW program is adjusted interface circuit, is mainly used in developer STM32F101 is programmed and in-circuit emulation debugging, the Software for Design of data acquisition device. Because STM32F101 cost performance is higher, Embedded aboundresources can greatly be simplified external hardware circuit design in the time of design data harvester.
Described signal condition module comprises the filtration module, linear optical coupling isolation module, the amplitude limit module that connect successively, and the output of amplitude limit module connects the input of AD modular converter.
Data acquisition unit in the present embodiment can work in DC12V, but because STM32F101 operating voltage is 3.3V, therefore after also needing to transfer 12V power supply to DC+5V by power module, transfer again DC+3.3V to, supplying with STM32F101 uses, power module adopts conventional LDO circuit, repeats no more its circuit diagram in the present embodiment.
As shown in Figure 3, described switching input module comprises photo-coupler U1, capacitor C 1, resistance R 1, resistance R 2, capacitor C 1 is connected 12V power supply with resistance R 1 after resistance R 1 series connection, capacitor C 1 connecting valve amount signal input port IN, 2 inputs of photo-coupler U1 are connected in parallel on capacitor C 1 two ends, an one output head grounding, another output STM32-I/O connects input and the resistance R 2 of microprocessor simultaneously, and resistance R 2 other ends connect 3.3V power supply. The I/O mouth of STM32F101 can be configured to switching value I/O mouth, and resistance R 1 and capacitor C 1 form low-pass first order filter filter away high frequency noise, reduce the burr of signal. Described photo-coupler U1 adopts TLP521 photoelectrical coupler.
Switch value input interface is mainly used in gathering external switch amount signal, and this partial circuit uses TLP521 optocoupler to isolate, and ensures the security of signal sample circuit, can reduce circuit simultaneously and disturb. Switching value signal is inputted from IN, exports the GPIO mouth of STM32 through optocoupler U1 to, realizes the detection to outside switching value signal.
Described communication module adopts RS485 communication module, the main transfer of data gathering that realizes of RS485 communication, for ensureing the security and the compatibility of communicating by letter of transfer of data, in hardware design, use SP3485 as transceiver controller, use TLP521 optocoupler to isolate simultaneously, ensure the safety of data collecting card hardware communications; On Software for Design, use the MODBUS agreement of industrial standard as RS485 communication protocol, the compatibility that guarantee system is good and the accuracy of transfer of data.
Described linear optical coupling isolation module adopts the linear optical coupling of HCNR201 model. In the present embodiment, the signal sample circuit of RS485 telecommunication circuit and analog quantity is all used to Signal Isolation Technology, linear optical coupling power supply in power supply and the analog signals treatment circuit of supply RS485 chip operation all needs to produce by insulating power supply module B0505S conversion, this module can be output as another road insulating power supply by+5V power supply, and chip isolation voltage can reach 1000VDC, temperature characterisitic is better.
Described alarm module is audible-visual annunciator, when smokescope exceedes higher limit, can carry out onsite alarming by alarm module, notifies operator on duty.
The principle of data acquisition unit image data of the present invention is:
Data acquisition unit has voltage, electric current and the switching value input signal Sampling Interface of standard. Analog signals sampling interface circuit, uses HCNR201 linear optical coupling to carry out signal isolation. Voltage signal interface can be inputted DC0-5V signal, and the voltage signal of input carries out sending into after filtering, isolation and amplitude limit the AD sampling channel of STM32F101 to signal through voltage signal conditioning circuit; Current signal interface can be inputted 4-20mA signal, and the current signal of input, by accurate sampling resistor, converts current signal to voltage signal, and then the voltage signal of conversion sent into voltage signal conditioning circuit and process, and finally sends into AD sampling channel again; Switch value input interface adopts optocoupler to isolate, and realizes opto-electronic conversion and insulation blocking. STM32F101 carries out the data of sampling after software processing, then by RS485 communication interface by data upload to the host computer of control centre or other equipment, data acquisition process and the function of communicating by letter, be convenient to control centre and understand in time storehouse real time status. When microprocessor judges humiture data, smog data exception, can carry out onsite alarming by alarm module, notify operator on duty.
Below be only the preferred embodiment of the present invention, protection scope of the present invention is also not only confined to above-described embodiment, and all technical schemes belonging under thinking of the present invention all belong to protection scope of the present invention. It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principles of the present invention, should be considered as protection scope of the present invention.
Claims (7)
1. furniture storehouse safety monitoring system, is characterized in that, comprises data acquisition unit, smoke alarm, control centre's host computer, wherein:
Temperature Humidity Sensor, gives data acquisition unit for the humiture Data Concurrent that gathers storehouse;
Smoke alarm, for gathering the smog data of storehouse, and judges whether smog data exceed higher limit, if exceed higher limit, sends the alarm signal of high level to data acquisition unit, and starts the warning function of self;
Data acquisition unit, the alarm signal being sent to for receiving humiture data that Temperature Humidity Sensor is sent to and smoke alarm, and be transmitted to control centre's host computer by cable network or wireless network;
Control centre's host computer, for receiving and showing to user humiture data and the smog alarm signal that data acquisition unit is forwarded to.
2. furniture storehouse safety monitoring system according to claim 1, it is characterized in that, described data acquisition unit comprises microprocessor, power module, communication module, light-coupled isolation module, signal condition module, switching input module, analog input module, alarm module, described switching input module connects microprocessor by light-coupled isolation module, described analog input module is connected to microprocessor by signal condition module, described microprocessor also connects respectively power module, communication module, alarm module, described microprocessor also comprises AD modular converter, the input of this AD modular converter is connected with the output of signal condition module, the analog input module of described Temperature Humidity Sensor connection data harvester, the switching input module of described smoke alarm connection data harvester, the communication module of described data acquisition unit connects control centre's host computer by cable network or wireless network.
3. furniture storehouse safety monitoring system according to claim 1, it is characterized in that, described smoke alarm comprise gather smoke signal Smoke Sensor, upper limit threshold circuit, comparison circuit, the alarm module of smokescope higher limit reference voltage are provided, two inputs of described comparison circuit are connected with the output of upper limit threshold circuit with the output of Smoke Sensor respectively, the input of output while connecting valve amount input module and alarm module.
4. furniture storehouse safety monitoring system according to claim 3, is characterized in that, described comparison circuit is comparator, and described upper limit threshold circuit is the bleeder circuit being in series by two resistance.
5. according to the arbitrary described furniture storehouse safety monitoring system of claim 1 to 4, it is characterized in that, described signal condition module comprises the filtration module, linear optical coupling isolation module, the amplitude limit module that connect successively, and the output of amplitude limit module connects the input of AD modular converter.
6. according to the arbitrary described furniture storehouse safety monitoring system of claim 1 to 4, it is characterized in that, described switching input module comprises photo-coupler U1, capacitor C 1, resistance R 1, resistance R 2, capacitor C 1 is connected 12V power supply with resistance R 1 after resistance R 1 series connection, capacitor C 1 connecting valve amount signal input port, 2 inputs of photo-coupler U1 are connected in parallel on capacitor C 1 two ends, an one output head grounding, another output connects input and the resistance R 2 of microprocessor simultaneously, and resistance R 2 other ends connect 3.3V power supply.
7. according to the arbitrary described furniture storehouse safety monitoring system of claim 1 to 4, it is characterized in that, described communication module comprises the PHY chip that is connected with microprocessor and is connected to the RJ45 interface on PHY chip, and described microprocessor adopts the STM32F101 enhancement mode flash memory microcontroller of ST Microelectronics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410575690.3A CN105607582A (en) | 2014-10-25 | 2014-10-25 | Furniture warehouse safety monitoring system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410575690.3A CN105607582A (en) | 2014-10-25 | 2014-10-25 | Furniture warehouse safety monitoring system |
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| CN105607582A true CN105607582A (en) | 2016-05-25 |
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| CN201410575690.3A Pending CN105607582A (en) | 2014-10-25 | 2014-10-25 | Furniture warehouse safety monitoring system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106444727A (en) * | 2016-11-30 | 2017-02-22 | 滁州学院 | Programmable lumped remote measurement and control device for smart miniature circuit breaker |
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- 2014-10-25 CN CN201410575690.3A patent/CN105607582A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106444727A (en) * | 2016-11-30 | 2017-02-22 | 滁州学院 | Programmable lumped remote measurement and control device for smart miniature circuit breaker |
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Application publication date: 20160525 |