CN205793379U - A kind of Factory Building multiple wireless data acquisition unit - Google Patents
A kind of Factory Building multiple wireless data acquisition unit Download PDFInfo
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- CN205793379U CN205793379U CN201620534979.5U CN201620534979U CN205793379U CN 205793379 U CN205793379 U CN 205793379U CN 201620534979 U CN201620534979 U CN 201620534979U CN 205793379 U CN205793379 U CN 205793379U
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Abstract
The utility model discloses a kind of Factory Building multiple wireless data acquisition unit, including multiple wireless data acquisition modules, data reception module and hands machine, described wireless data acquisition module includes microcontroller, power module, liquid crystal touch screen, multi-channel analog permutator, GPRS/GSM communication module and wireless sending module, the input of described microcontroller is connected to temperature sensor, humidity sensor, dust sensor and A/D change-over circuit, the input of described multi-channel analog permutator is connected to voltage detection module and current detection module, the outfan of described microcontroller is connected to warning circuit, described data reception module includes receiving controller, memorizer, serial communication modular and wireless receiving module.This utility model design simple in construction, it is achieved detection and the wireless data transmission in real time in the multiple region to be detected of Factory Building, it is to avoid numerous and diverse degree of wired data transfer, it is ensured that production activity is in progress the most efficiently, practical.
Description
Technical field
This utility model belongs to data monitoring technical field, is specifically related to a kind of Factory Building multiple wireless data acquisition unit.
Background technology
Along with economic develops rapidly, the monitoring to industrial equipment operation conditions that develops rapidly of China's industry in recent years carries
Go out higher requirement.In order to realize the digital management of Factory Building production environment, need each production region of Factory Building is carried out
Real time data is monitored, and system of monitoring not only need to run on operating mode good in the environment of, more to adjust the distance farther out, running environment
Badly, data collection point more disperses and unattended equipment is monitored, and the mode using traditional wire is multiple to these
In the case of miscellaneous, equipment operation condition is monitored, and can cause the very big consumption of manpower and material resources, and be difficult to have obtained
Effect.It addition, the ambient parameter such as humiture, dust has important impact to producing, if no matter equipment or staff are long
The consume of time service the most not only acceleration equipment, and work efficiency is low, if the humidity in certain environment
Easily causing greatly the humidity of equipment, cause short circuit accident, the dust in Factory Building also can not be ignored, because the moisture absorption of dust
Seriously, reduce the insulating properties of equipment, if in dust access arrangement, the lighter produces loose contact, equipment seriously can be caused short
Equipment damage is caused on road；Furthermore, it should be ensured that equipment is operated in rated power, and the whether normal of curtage is related to equipment
Operation conditions, operating current or running voltage are excessive, can cause the damage of equipment, make work equipment paralyse.Nowadays lack
A kind of simple in construction, easy for installation, low cost, Factory Building multiple wireless data acquisition unit reasonable in design, easy to operate, it is achieved
Detection and the wireless data transmission in real time in the multiple region to be detected of Factory Building, it is to avoid numerous and diverse degree of wired data transfer, it is ensured that produce
The most efficient movable progress.
Utility model content
Technical problem to be solved in the utility model is for above-mentioned deficiency of the prior art, it is provided that a kind of Factory Building
Multiple wireless data acquisition unit, its simple in construction, easy for installation, low cost, reasonable in design, easy to operate, it is achieved Factory Building is many
Detection and the wireless data transmission in real time in individual region to be detected, it is to avoid numerous and diverse degree of wired data transfer, it is ensured that production activity has
Sequence is in progress efficiently, practical, it is simple to promote the use of.
For solving above-mentioned technical problem, the technical solution adopted in the utility model is: a kind of Factory Building multiple wireless data acquisition
Acquisition means, it is characterised in that: include multiple be separately positioned in the multiple region to be detected of Factory Building wireless data acquisition module, set
Put the data reception module in Control Room and for carrying out the mobile phone of radio communication with multiple described wireless data acquisition modules,
The structure composition of multiple described wireless data acquisition modules is the most identical, and described wireless data acquisition module includes microcontroller, electricity
Source module and the liquid crystal touch screen connected with microcontroller, GPRS/GSM communication module and wireless sending module, described micro-control
The input of device processed is connected to temperature sensor, humidity sensor, dust sensor and A/D change-over circuit, described A/D change-over circuit
Input be connected to multi-channel analog permutator, the input of described multi-channel analog permutator is connected to voltage detection module and electricity
Stream detection module, the outfan of described microcontroller is connected to warning circuit, described voltage detection module include voltage transformer and
The voltage signal processing circuit connected with voltage transformer outfan, described current detection module include current transformer and with electricity
The current signal that current transformer outfan connects processes circuit, described voltage signal processing circuit and current signal and processes circuit
Outfan all inputs with multi-channel analog permutator connect；Described data reception module include receive controller and with connect
Memorizer that admission controller connects and for the serial communication modular carried out data transmission with Surveillance center, described reception controller
It is connected to for the wireless receiving module with wireless sending module radio communication；
Described voltage transformer includes voltage transformer T1, and one end of a winding of described voltage transformer T1 is through resistance
One signal input part of R5 and voltage transformer T1 connects, the other end of a winding of described voltage transformer T1 and voltage
Another signal input part of transformer T1 connects, and two-way is divided in one end of the Secondary Winding of described voltage transformer T1, a road warp
Resistance R6 ground connection, another road connects with one end of resistance R8；The other end ground connection of the Secondary Winding of described voltage transformer T1；Institute
State voltage signal processing circuit and include amplifier U3 and amplifier U2, the other end phase of the inverting input of described amplifier U3 and resistance R8
Connecing, the in-phase input end ground connection of described amplifier U3, the outfan of described amplifier U3 divides two-way, and a road is with commutation diode DN1's
Negative electrode connects, and another road connects with the anode of commutation diode DN2；The anode of described commutation diode DN1 divides two-way, a road warp
Resistance R2 connects with the inverting input of amplifier U3, and another road connects with the inverting input of amplifier U2 through resistance R3；Described whole
The negative electrode of stream diode DN2 divides two-way, and a road connects with the inverting input of amplifier U3 through resistance R9, another road and amplifier U2
In-phase input end connects；The outfan of described amplifier U2 divides two-way, and a road connects with the inverting input of amplifier U2 through resistance R4,
Another road connects with multi-channel analog permutator through resistance R7.
Above-mentioned a kind of Factory Building multiple wireless data acquisition unit, it is characterised in that: described current transformer includes electric current
Transformer T2, one end of a winding of described current transformer T2 connects with a signal input part of current transformer T2,
The other end of winding of described current transformer T2 connects with another signal input part of current transformer T2, described electricity
Two-way is divided in one end of the Secondary Winding of current transformer T2, and a road connects with one end of resistance R15 through resistance R13 ground connection, another road；
The other end ground connection of the Secondary Winding of described current transformer T2；
Described current signal processes circuit and includes amplifier U5 and amplifier U4, the inverting input of described amplifier U5 and resistance
The other end of R15 connects, the in-phase input end ground connection of described amplifier U5, and the outfan of described amplifier U5 divides two-way, and a road is with whole
The negative electrode of stream diode DN3 connects, and another road connects with the anode of commutation diode DN4；The anode of described commutation diode DN3
Point two-way, a road connects with the inverting input of amplifier U5 through resistance R10, and another road is anti-phase defeated through resistance R11 and amplifier U4
Enter end to connect；The negative electrode of described commutation diode DN4 divides two-way, and a road connects with the inverting input of amplifier U5 through resistance R16,
Another road connects with the in-phase input end of amplifier U4；The outfan of described amplifier U4 divides two-way, and a road is through resistance R12 and amplifier U4
Inverting input connect, another road connects with multi-channel analog permutator through resistance R14.
Above-mentioned a kind of Factory Building multiple wireless data acquisition unit, it is characterised in that: described temperature sensor includes
DS18B20 temperature sensor, described humidity sensor includes SHT25 humidity sensor.
Above-mentioned a kind of Factory Building multiple wireless data acquisition unit, it is characterised in that: described dust sensor includes
GP2Y1050AUOF dust sensor.
Above-mentioned a kind of Factory Building multiple wireless data acquisition unit, it is characterised in that: described A/D change-over circuit includes chip
PCF8591, described power module includes chip LM7805 and chip LM1117-3.3.
Above-mentioned a kind of Factory Building multiple wireless data acquisition unit, it is characterised in that: described wireless sending module and wireless
Receiver module all includes chip NRF24L01.
Above-mentioned a kind of Factory Building multiple wireless data acquisition unit, it is characterised in that: described Surveillance center includes computer.
Above-mentioned a kind of Factory Building multiple wireless data acquisition unit, it is characterised in that: described memorizer includes chip
AT59C13。
Above-mentioned a kind of Factory Building multiple wireless data acquisition unit, it is characterised in that: described microcontroller and reception control
Device all includes single-chip microcomputer STC12C5A60S2.
This utility model compared with prior art has the advantage that
1, this utility model is by arranging multiple wireless data acquisition module, respectively region to be detected to each in Factory Building
Detect in real time, and the data collected are sent to data reception module for the staff's remote monitor in Control Room
The production status in Factory Building region to be detected, on the mobile phone of the staff being sent simultaneously in Factory Building, it is simple to moment monitoring is to be checked
Surveying the production status in region, it is ensured that production activity is in progress the most efficiently, reduce a staff on duty checks, simple and convenient.
2, this utility model is by arranging temperature sensor, humidity sensor and dust sensor, and detection Factory Building is treated in real time
The operating temperature of detection zone device within the domain, equipment local environment humidity and Dust Capacity, to exceeding the parameter of threshold value, by electricity of reporting to the police
Road warning reminding staff, it is ensured that equipment working environment is suitable, and circuit is simple, it is simple to promote the use of.
3, this utility model is by arranging voltage detection module and current detection module, carries out the work of detection equipment respectively
Voltage and operating current, when running voltage or operating current do not meet voltage threshold set in advance or current threshold, pass through
Warning circuit warning reminding staff investigate, and prevents operating current or running voltage abnormal, causes the damage of equipment,
Make work equipment paralyse, affect production efficiency.
4, this utility model carries out wireless by arranging GPRS/GSM communication module with the mobile phone of the staff in Factory Building
Data communication, it is achieved carry out data transmission with the mobile phone of the staff in Factory Building, by arranging wireless sending module and data
Wireless receiving module in receiver module carries out RFDC, and each is to be checked to make the staff in Control Room obtain Factory Building
Survey the production status in region, it is achieved that being wirelessly transferred of data, it is not necessary to carry out the line of complexity, and transmission side data just, stable,
Reliably, using effect is good, saves the energy.
In sum, this utility model simple in construction, easy for installation, low cost, reasonable in design, easy to operate, it is achieved factory
Detection and the wireless data transmission in real time in multiple region to be detected, room, it is to avoid numerous and diverse degree of wired data transfer, it is ensured that produce and live
The most efficient dynamic progress, practical, it is simple to promote the use of.
Below through drawings and Examples, the technical solution of the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is schematic block circuit diagram of the present utility model.
Fig. 2 is the schematic block circuit diagram of this utility model wireless data acquisition module.
Fig. 3 is the circuit connecting relation schematic diagram of this utility model voltage transformer and voltage signal processing circuit.
Fig. 4 is the circuit connecting relation schematic diagram that this utility model current transformer and current signal process circuit.
Description of reference numerals:
1 wireless data acquisition module；1-1 microcontroller；1-2 temperature sensor；
1-3 humidity sensor；1-4 voltage transformer；1-5 voltage signal processing circuit；
1-6 current transformer；1-7 current signal processes circuit；
1-8 multi-channel analog permutator；1-9 A/D change-over circuit；1-10 power module；
1-11 liquid crystal touch screen；1-12 warning circuit；
1-13 GPRS/GSM communication module；1-14 wireless sending module；
1-15 dust sensor；2 mobile phones；
3 wireless receiving modules；4 receive controller；5 serial communication modulars；
6 Surveillance center；7 memorizeies.
Detailed description of the invention
As shown in Figure 1, Figure 2 and Figure 3, this utility model includes multiple being separately positioned in the multiple region to be detected of Factory Building
Wireless data acquisition module 1, the data reception module being arranged in Control Room and for multiple described data acquisition moulds
Block 1 carries out the mobile phone 2 of radio communication, and the structure composition of multiple described wireless data acquisition modules 1 is the most identical, described wireless data
Acquisition module 1 include microcontroller 1-1, power module 1-10 and the liquid crystal touch screen 1-11 connected with microcontroller 1-1,
GPRS/GSM communication module 1-13 and wireless sending module 1-14, the input of described microcontroller 1-1 is connected to temperature sensor
1-2, humidity sensor 1-3, dust sensor 1-15 and A/D change-over circuit 1-9, the input termination of described A/D change-over circuit 1-9
Multi-channel analog permutator 1-8, the input of described multi-channel analog permutator 1-8 is had to be connected to voltage detection module and electric current inspection
Surveying module, the outfan of described microcontroller 1-1 is connected to warning circuit 1-12, and described voltage detection module includes voltage transformer
1-4 and the voltage signal processing circuit 1-5 connected with voltage transformer 1-4 outfan, described current detection module includes electric current
Transformer 1-6 and the current signal connected with current transformer 1-6 outfan process circuit 1-7, and described voltage signal processes electricity
Road 1-5 and current signal process the outfan of the circuit 1-7 input all with multi-channel analog permutator 1-8 and connect；Described number
Include receiving controller 4 and the memorizer 7 connected with reception controller 4 and for carrying out with Surveillance center 6 according to receiver module
The serial communication modular 5 of data transmission, described reception controller 4 is connected to for the nothing with wireless sending module 1-14 radio communication
Line receiver module 3；
Described voltage transformer 1-4 includes voltage transformer T1, one end warp of a winding of described voltage transformer T1
One signal input part of resistance R5 and voltage transformer T1 connects, the other end of a winding of described voltage transformer T1 with
Another signal input part of voltage transformer T1 connects, and two-way is divided in one end of the Secondary Winding of described voltage transformer T1, and one
Road connects with one end of resistance R8 through resistance R6 ground connection, another road；Another termination of the Secondary Winding of described voltage transformer T1
Ground；Described voltage signal processing circuit 1-5 includes amplifier U3 and amplifier U2, and the inverting input of described amplifier U3 is with resistance R8's
The other end connects, the in-phase input end ground connection of described amplifier U3, and the outfan of described amplifier U3 divides two-way, a road and rectification two pole
The negative electrode of pipe DN1 connects, and another road connects with the anode of commutation diode DN2；The anode of described commutation diode DN1 divides two
Road, a road connects with the inverting input of amplifier U3 through resistance R2, and another road is through the inverting input phase of resistance R3 with amplifier U2
Connect；The negative electrode of described commutation diode DN2 divides two-way, and a road connects with the inverting input of amplifier U3 through resistance R9, another road
Connect with the in-phase input end of amplifier U2；The outfan of described amplifier U2 divides two-way, and a road is anti-phase through resistance R4 and amplifier U2
Input connects, and another road connects with multi-channel analog permutator 1-8 through resistance R7.
As shown in Figure 4, in the present embodiment, described current transformer 1-6 includes current transformer T2, described current transformer
One end of winding of T2 connects with a signal input part of current transformer T2, described current transformer T2 once around
The other end of group connects with another signal input part of current transformer T2, the one of the Secondary Winding of described current transformer T2
End point two-way, a road connects with one end of resistance R15 through resistance R13 ground connection, another road；The secondary of described current transformer T2 around
The other end ground connection of group；
Described current signal processes circuit 1-7 and includes amplifier U5 and amplifier U4, the inverting input of described amplifier U5 and electricity
Resistance R15 the other end connect, the in-phase input end ground connection of described amplifier U5, the outfan of described amplifier U5 divides two-way, a road with
The negative electrode of commutation diode DN3 connects, and another road connects with the anode of commutation diode DN4；The sun of described commutation diode DN3
Two-way is divided in pole, and a road connects with the inverting input of amplifier U5 through resistance R10, and another road is anti-phase through resistance R11 and amplifier U4
Input connects；The negative electrode of described commutation diode DN4 divides two-way, and a road is through the inverting input phase of resistance R16 with amplifier U5
Connecing, another road connects with the in-phase input end of amplifier U4；The outfan of described amplifier U4 divides two-way, and a road is through resistance R12 and fortune
The inverting input putting U4 connects, and another road connects with multi-channel analog permutator 1-8 through resistance R14.
In the present embodiment, described temperature sensor 1-2 includes DS18B20 temperature sensor, described humidity sensor 1-3 bag
Include SHT25 humidity sensor.
In the present embodiment, described dust sensor 1-15 includes GP2Y1050AUOF dust sensor.
In the present embodiment, described voltage transformer 1-4 is DL-PT202D voltage transformer.
In the present embodiment, described A/D change-over circuit 1-9 includes that chip PCF8591, described power module 1-10 include chip
LM7805 and chip LM1117-3.3.
In the present embodiment, described wireless sending module 1-14 and wireless receiving module 3 all include chip NRF24L01.
In the present embodiment, described Surveillance center 6 includes computer.
In the present embodiment, described memorizer 7 includes chip AT59C13.
In the present embodiment, described microcontroller 1-1 and reception controller 4 all include single-chip microcomputer STC12C5A60S2.
When this utility model uses, power module 1-10 provides reliable and secure power supply, microcontroller 1-for microcontroller 1-1
1 enter duty, by liquid crystal touch screen 1-11 preset temperature threshold, humidity threshold, dust threshold value, voltage threshold and
Current threshold, temperature sensor 1-2 detects the temperature in Factory Building region to be detected in real time and sends the temperature collected to micro-control
Device 1-1 processed, humidity sensor 1-3 detect the humidity in Factory Building region to be detected in real time and send the humidity collected to microcontroller
Device 1-1, dust sensor 1-15 detect the Dust Capacity in Factory Building region to be detected in real time and send the Dust Capacity collected to micro-
Controller 1-1, microcontroller 1-1 by the temperature received, humidity and Dust Capacity respectively with predetermined temperature threshold value, humidity
Threshold value and dust threshold value compare, when the temperature value in the Factory Building region to be detected that temperature sensor 1-2 collects is more than in advance
The humidity in the Factory Building region to be detected that the temperature threshold of setting, humidity sensor 1-3 collect is more than humidity threshold set in advance
When the Dust Capacity that value or dust sensor 1-15 collect is more than dust threshold value set in advance, microcontroller 1-1 controls to report to the police
Circuit 1-12 alarm, it is ensured that equipment working environment is suitable；Voltage transformer 1-4 detects Factory Building area equipment to be detected in real time
Running voltage signal and the running voltage signal that collects is sent into multi-channel analog conversion through voltage signal processing circuit 1-5
Switch the operating current signal that 1-8, current transformer 1-6 detect Factory Building area equipment to be detected in real time the work that will collect
Current signal processes circuit 1-7 through overcurrent signal and sends into multi-channel analog permutator 1-8, multi-channel analog permutator 1-8 pair
The current signal that the voltage signal summation current transformer 1-6 that voltage transformer 1-4 collects collects gates, and will gating
Current signal or voltage signal export to A/D change-over circuit 1-9, A/D change-over circuit 1-9 receive multi-channel analog permutator 1-
The current signal of 8 outputs or voltage signal, complete the analogue signal conversion to digital signal, and by the digital current letter after conversion
Number or digital voltage signal send to microcontroller 1-1, microcontroller 1-1 is by the digital voltage signal received and current signal
Compare with voltage threshold set in advance and current threshold respectively, when the digital voltage signal that microcontroller 1-1 receives
Do not meet voltage threshold set in advance or digital current signal that microcontroller 1-1 receives does not meets electric current set in advance
Threshold value, microcontroller 1-1 controls warning circuit 1-12 warning reminding staff and investigates, prevents equipment operating current or work
Make voltage abnormal, cause the damage of equipment, make work equipment paralyse, affect production efficiency.It addition, liquid crystal touch screen 1-11 energy
Enough showing temperature, humidity, Dust Capacity, running voltage and operating current in real time, microcontroller 1-1 passes through wireless transmission mould
Detected temperature, humidity, Dust Capacity, running voltage and operating current are sent by block 1-14, receive controller 4 and pass through
Wireless receiving module 3 receives temperature, humidity, Dust Capacity, running voltage and operating current, receives controller 4 and is led to by serial ports
Letter module 5 is transmitted to Surveillance center 6, for the production shape in the staff's remote monitor Factory Building region to be detected in Control Room
Condition, and synchronize to store to memorizer 7；Microcontroller 1-1 is sent in Factory Building also by GPRS/GSM communication module 1-13
On the mobile phone 2 of staff, make the staff in Factory Building can grasp the production status in Factory Building region to be detected at any time, convenient fast
Prompt, it is ensured that production activity is in progress the most efficiently, reduce a staff on duty checks, simple and convenient.
The above, be only preferred embodiment of the present utility model, not impose any restrictions this utility model, every
Any simple modification, change and equivalent structure change above example made according to this utility model technical spirit, the most still
Belong in the protection domain of technical solutions of the utility model.
Claims (9)
1. a Factory Building multiple wireless data acquisition unit, it is characterised in that: include that multiple to be separately positioned on Factory Building multiple to be checked
Survey the wireless data acquisition module (1) in region, the data reception module being arranged in Control Room and for multiple described nothings
Line data acquisition module (1) carries out the mobile phone (2) of radio communication, the structure composition of multiple described wireless data acquisition modules (1)
The most identical, described wireless data acquisition module (1) includes microcontroller (1-1), power module (1-10) and and microcontroller
(1-1) liquid crystal touch screen (1-11), GPRS/GSM communication module (1-13) and the wireless sending module (1-14) connected, described micro-
The input of controller (1-1) is connected to temperature sensor (1-2), humidity sensor (1-3), dust sensor (1-15) and A/D
Change-over circuit (1-9), the input of described A/D change-over circuit (1-9) is connected to multi-channel analog permutator (1-8), described multichannel
The input of analog multiplexer (1-8) is connected to voltage detection module and current detection module, described microcontroller (1-1) defeated
Go out to be terminated with warning circuit (1-12), described voltage detection module include voltage transformer (1-4) and with voltage transformer (1-4)
The voltage signal processing circuit (1-5) that outfan connects, described current detection module includes current transformer (1-6) and and electric current
The current signal that transformer (1-6) outfan connects processes circuit (1-7), described voltage signal processing circuit (1-5) and electric current
The outfan of signal processing circuit (1-7) all inputs with multi-channel analog permutator (1-8) connect；Described data reception
Block includes receiving controller (4) and the memorizer (7) connected with reception controller (4) and for carrying out with Surveillance center (6)
Data transmission serial communication modular (5), described reception controller (4) be connected to for wireless sending module (1-14) channel radio
The wireless receiving module (3) of letter；
Described voltage transformer (1-4) includes voltage transformer T1, and one end of a winding of described voltage transformer T1 is through electricity
One signal input part of resistance R5 and voltage transformer T1 connects, the other end of a winding of described voltage transformer T1 and electricity
Another signal input part of pressure transformer T1 connects, and two-way is divided in one end of the Secondary Winding of described voltage transformer T1, a road
Through resistance R6 ground connection, another road connects with one end of resistance R8；The other end ground connection of the Secondary Winding of described voltage transformer T1；
Described voltage signal processing circuit (1-5) includes amplifier U3 and amplifier U2, and the inverting input of described amplifier U3 is with resistance R8's
The other end connects, the in-phase input end ground connection of described amplifier U3, and the outfan of described amplifier U3 divides two-way, a road and rectification two pole
The negative electrode of pipe DN1 connects, and another road connects with the anode of commutation diode DN2；The anode of described commutation diode DN1 divides two
Road, a road connects with the inverting input of amplifier U3 through resistance R2, and another road is through the inverting input phase of resistance R3 with amplifier U2
Connect；The negative electrode of described commutation diode DN2 divides two-way, and a road connects with the inverting input of amplifier U3 through resistance R9, another road
Connect with the in-phase input end of amplifier U2；The outfan of described amplifier U2 divides two-way, and a road is anti-phase through resistance R4 and amplifier U2
Input connects, and another road connects with multi-channel analog permutator (1-8) through resistance R7.
2. according to a kind of Factory Building multiple wireless data acquisition unit described in claim 1, it is characterised in that: described Current Mutual Inductance
Device (1-6) includes current transformer T2, one end of a winding of described current transformer T2 and one of current transformer T2
Signal input part connects, and the other end of a winding of described current transformer T2 is defeated with another signal of current transformer T2
Entering end to connect, two-way is divided in one end of the Secondary Winding of described current transformer T2, and a road is through resistance R13 ground connection, another Lu Yu electricity
One end of resistance R15 connects；The other end ground connection of the Secondary Winding of described current transformer T2；
Described current signal processes circuit (1-7) and includes amplifier U5 and amplifier U4, the inverting input of described amplifier U5 and resistance
The other end of R15 connects, the in-phase input end ground connection of described amplifier U5, and the outfan of described amplifier U5 divides two-way, and a road is with whole
The negative electrode of stream diode DN3 connects, and another road connects with the anode of commutation diode DN4；The anode of described commutation diode DN3
Point two-way, a road connects with the inverting input of amplifier U5 through resistance R10, and another road is anti-phase defeated through resistance R11 and amplifier U4
Enter end to connect；The negative electrode of described commutation diode DN4 divides two-way, and a road connects with the inverting input of amplifier U5 through resistance R16,
Another road connects with the in-phase input end of amplifier U4；The outfan of described amplifier U4 divides two-way, and a road is through resistance R12 and amplifier U4
Inverting input connect, another road connects with multi-channel analog permutator (1-8) through resistance R14.
3. according to a kind of Factory Building multiple wireless data acquisition unit described in claim 1 or 2, it is characterised in that: described temperature
Sensor (1-2) includes that DS18B20 temperature sensor, described humidity sensor (1-3) include SHT25 humidity sensor.
4. according to a kind of Factory Building multiple wireless data acquisition unit described in claim 1 or 2, it is characterised in that: described dust
Sensor (1-15) includes GP2Y1050AUOF dust sensor.
5. according to a kind of Factory Building multiple wireless data acquisition unit described in claim 1 or 2, it is characterised in that: described A/D turns
Change circuit (1-9) and include that chip PCF8591, described power module (1-10) include chip LM7805 and chip LM1117-3.3.
6. according to a kind of Factory Building multiple wireless data acquisition unit described in claim 1 or 2, it is characterised in that: described wireless
Sending module (1-14) and wireless receiving module (3) all include chip NRF24L01.
7. according to a kind of Factory Building multiple wireless data acquisition unit described in claim 1 or 2, it is characterised in that: described monitoring
Center (6) includes computer.
8. according to a kind of Factory Building multiple wireless data acquisition unit described in claim 1 or 2, it is characterised in that: described storage
Device (7) includes chip AT59C13.
9. according to a kind of Factory Building multiple wireless data acquisition unit described in claim 1 or 2, it is characterised in that: described micro-control
Device processed (1-1) and reception controller (4) all include single-chip microcomputer STC12C5A60S2.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620534979.5U CN205793379U (en) | 2016-06-03 | 2016-06-03 | A kind of Factory Building multiple wireless data acquisition unit |
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|---|---|---|---|
| CN201620534979.5U CN205793379U (en) | 2016-06-03 | 2016-06-03 | A kind of Factory Building multiple wireless data acquisition unit |
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| CN201620534979.5U Expired - Fee Related CN205793379U (en) | 2016-06-03 | 2016-06-03 | A kind of Factory Building multiple wireless data acquisition unit |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109979147A (en) * | 2019-04-22 | 2019-07-05 | 湖南恒枫智能科技有限公司 | Intelligent automatic alarm system based on workshop |
| CN110488072A (en) * | 2019-09-16 | 2019-11-22 | 东莞理工学院 | A kind of data detection circuit of multichannel power distribution cabinet |
| CN111650855A (en) * | 2020-05-13 | 2020-09-11 | 深圳拓邦股份有限公司 | Multi-channel wireless data acquisition circuit and device |
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2016
- 2016-06-03 CN CN201620534979.5U patent/CN205793379U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109979147A (en) * | 2019-04-22 | 2019-07-05 | 湖南恒枫智能科技有限公司 | Intelligent automatic alarm system based on workshop |
| CN110488072A (en) * | 2019-09-16 | 2019-11-22 | 东莞理工学院 | A kind of data detection circuit of multichannel power distribution cabinet |
| CN111650855A (en) * | 2020-05-13 | 2020-09-11 | 深圳拓邦股份有限公司 | Multi-channel wireless data acquisition circuit and device |
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