CN108008680A - A kind of laboratory equipment front end intelligent Information Collection system - Google Patents
A kind of laboratory equipment front end intelligent Information Collection system Download PDFInfo
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- CN108008680A CN108008680A CN201711496387.4A CN201711496387A CN108008680A CN 108008680 A CN108008680 A CN 108008680A CN 201711496387 A CN201711496387 A CN 201711496387A CN 108008680 A CN108008680 A CN 108008680A
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- 230000005540 biological transmission Effects 0.000 claims abstract description 36
- 230000009977 dual effect Effects 0.000 claims abstract description 7
- 230000003321 amplification Effects 0.000 claims description 10
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 10
- 230000006641 stabilisation Effects 0.000 claims description 3
- 238000011105 stabilization Methods 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 2
- 238000011160 research Methods 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910018487 Ni—Cr Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000000518 rheometry Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
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- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention discloses a kind of laboratory equipment front end intelligent Information Collection system.The system includes sensor unit, node data collecting unit, wireless transmission unit and power supply unit；Wherein, the current information of sensor unit collection laboratory equipment supply line, humiture information, and it is transmitted to node data collecting unit；Node data collecting unit docks received data and is acquired, handles, stores, and sends to wireless transmission unit；Wireless transmission unit encodes data, the data after coding is transmitted in the wireless data hub of outside；Power supply unit uses dual power supply pattern to be powered for sensor unit, node data collecting unit, wireless transmission unit.The structure of the present invention is simple, and design is reasonable, and cost is low, and use is easy to operate, reliable.
Description
Technical field
The invention discloses a kind of laboratory equipment front end intelligent Information Collection system, belongs to intelligent instrumentation technology neck
Domain.
Background technology
With the continuous lifting of china's overall national strength, country greatly increases the input of scientific research institutions, especially in weight
Under large project support, the input of large-scale science ＆ research instrument is continuously increased, large-scale science ＆ research instrument utilization rate is low and shared
The low problem of rate also gradually highlights.On the one hand, science ＆ research instrument purchases not sharing for information and resource, different scientific researches occurs
Phenomenon is purchased in repetition of the institutes to same category of device, and the scientific and technological resources of country's input can cause huge waste.On the other hand, due to right
The relevant informations such as the operating condition and service condition of science ＆ research instrument lack statistics, and making device requirement, person can not obtain at the first time
Taking equipment operating condition, causes the utilization rate of science ＆ research instrument low.
Currently, the information gathering of science ＆ research instrument runs feelings mainly by laboratory room managing personnel's hand inspection registering apparatus
, easily there is the problems such as under-enumeration, missing inspection in condition, and there are inefficiency and device resource the drawback such as to be difficult to efficiently to utilize.Therefore, open
Send out Real-time Feedback experimental facilities operating status a kind of, full intellectualized laboratory equipment Resource Sharing Technology has great reality
Meaning.
In the Chinese patent application of Application No. 201510849805.8, disclose a kind of based on the big of wireless Internet
Type scientific research apparatus monitors and uses management system in real time.The system sets standby monitor terminal, large-scale instrument in real time including intelligence instrument
The Information Library System and human-computer interaction management center module of equipment.It utilizes wireless data transmission technology, is carried for authorities
Efficient management means is supplied, it is possible to increase the utilization rate of large-scale science ＆ research instrument, allows them to play the efficiency of bigger.
The content of the invention
In view of the deficiencies of the prior art, the technical problems to be solved by the invention are to provide a kind of laboratory equipment front end
Intelligent Information Collection system.
For achieving the above object, the present invention uses following technical solutions：
A kind of laboratory equipment front end intelligent Information Collection system, including sensor unit, node data collecting unit, nothing
Line transmission unit and power supply unit；Wherein,
The current information of the sensor unit collection laboratory equipment supply line, humiture information, and it is transmitted to section
Point data collecting unit；The node data collecting unit docks received data and is acquired, handles, stores, and sends extremely
The wireless transmission unit；The wireless transmission unit encodes data, and the data after coding are transmitted to the nothing of outside
In line data hub；
Said supply unit use dual power supply pattern for the sensor unit, the node data collecting unit,
The wireless transmission unit is powered.
Wherein more preferably, the sensor unit includes current sensor and Temperature Humidity Sensor, and it is real to be respectively used to collection
The current information and humiture information of Yan Shi equipment supply line.
Wherein more preferably, the Temperature Humidity Sensor is the digital thermometer SHTM11 after calibration.
Wherein more preferably, the node data collecting unit is made of the minimum system of microcontroller STM32F103VGT6.
Wherein more preferably, the wireless transmission unit encodes data using bluetooth BLE4.0 agreements.
Wherein more preferably, the wireless transmission unit includes wireless transmission unit master cpu and radio transmitted power is amplified
Module；Wherein, the wireless transmission unit master cpu is chip CC2541, and the radio transmitted power amplification module is chip
CC2590。
Wherein more preferably, the radio transmitted power amplification module carries out radio-frequency receiving-transmitting signal using balun match circuit
Matching.
Wherein more preferably, said supply unit includes 5V main power source modules, power supply automatic switchover circuit, DC-DC boosting moulds
Block and battery；Wherein, the dual power supply pattern is：When 5V main power source modules are inputted as working power, by 5V master
Power module is powered for each unit；Once output voltage is less than 4V, power supply automatic switchover circuit work, working power is changed into described
Battery；The output voltage of the battery is powered after DC-DC boost modules, by output voltage stabilization to 5V for each unit.
Compared with prior art, the present invention has the following advantages：
1. the structure of the present invention is simple, design is reasonable, and cost is low, and use is easy to operate, reliable；
2. the present invention is integrated with the multiple functions such as current monitoring, monitoring temperature and humidity control in limited volume,
Multiple data sources are provided for the status of equipment analysis of back-end platform, improve the functional diversity of equipment；
3. power supply unit uses wired power supply and battery powered both of which, laboratory equipment front-end collection system is improved
The scope of application；
4. the present invention reduces overall system using bluetooth BLE4.0 agreements and the wireless transmission framework of CC2540+CC2590
System power consumption, extends normal working hours.
Brief description of the drawings
Fig. 1 is the hardware architecture diagram of the present invention.
Fig. 2 is the bluetooth module circuit diagram with gain in the present invention.
Fig. 3 is the schematic diagram of power supply circuit in the present invention.
Description of reference numerals:
1：Sensor unit； 2：Node data collecting unit； 3：Wireless transmission unit；
4：Power supply unit； 101：Current sensor； 102：Temperature Humidity Sensor；
301：Wireless transmission unit master cpu 302：Radio transmitted power amplification module 401：5V main power source modules；
402：Power supply automatic switchover circuit； 403：DC-DC boost modules； 404：Battery.
Embodiment
Detailed specific description is carried out to the technology contents of the present invention with specific embodiment below in conjunction with the accompanying drawings.
As shown in Figure 1, laboratory equipment front end intelligent Information Collection system provided by the present invention includes sensor unit
1st, 4 four node data collecting unit 2, wireless transmission unit 3 and power supply unit parts.Wherein, sensor unit 1 is used to gather
The current information of laboratory equipment supply line, humiture information, and it is transmitted to the input port of node data collecting unit 2.
Node data collecting unit 2 docks received data and is acquired, handles, stores, and is sent by serial ports to being wirelessly transferred list
Member 3.Wireless transmission unit 3 encodes data using the data transmission format based on bluetooth BLE4.0 agreements, by therein
Data after coding are transmitted in the wireless data hub of outside by radio transmitted power amplification module by 2.4GHZ frequencies.
Power supply unit 4 uses dual power supply pattern as the sensor unit 1, node data collecting unit 2, wireless transmission unit 3
It is powered.
In one embodiment of the invention, sensor unit 1 mainly includes current sensor 101, Temperature Humidity Sensor
102.Wherein, 101 prioritizing selection small size of current transformer, high-precision precision current transformer, electric current ratio are 20A/20mA.
The current sensor is made of current transformer, rectification circuit and potentiometer；Circular hole is provided among current transformer, equipment supplies
Electrical fire line is passed through from hole, and the high current on firewire is converted into the output of alternation low current.The alternation low current of output is through over commutation
Circuit is shaped to direct current, finally, by ADC port processings circuit potentiometer both end voltage value, and obtains the electricity of device line
Rheology.To simplify system data acquisition process, Temperature Humidity Sensor 102 preferentially selects the digitlization temperature and humidity sensing after calibration
Device SHTM11.The serial data output port of Temperature Humidity Sensor 102 is directly connected to node data collecting unit 2, and is transmitted
Real time environment humiture information after calibration.
In one embodiment of the invention, node data collecting unit 2 by microcontroller STM32F103VGT6 minimum
System is formed, and mainly includes master cpu module, crystal oscillating circuit, reset circuit, download program circuit.Node data collecting unit 2
Store, analyze and handle current information and the humiture information that input port collects by software programming, and by final process
As a result it is sent to by serial ports USART1 on the data receiver port RDX of wireless transmission unit.
In one embodiment of the invention, wireless transmission unit 3 contains wireless transmission unit master cpu 301 and nothing
Line transmission power amplification module 302.Wireless transmission unit master cpu 301 receives the data that data acquisition unit 2 is sent, and passes through
Coding packs the data to tentation data form and is transmitted.Radio transmitted power amplification module 302 uses balun match circuit
Carry out the matching of radio-frequency receiving-transmitting signal.
As shown in Fig. 2, in one embodiment of the invention, wireless transmission unit master cpu 301 selects chip
CC2541, radio transmitted power amplification module 302 select chip CC2590.PA_EN pins, the LNA_EN of chip CC2541 draws
The RF_N pins with chip CC2590, PAEN pins, EN pins, HGM pins are connected respectively for foot, HGM_EN pins.This is wirelessly passed
Defeated unit 3 uses the data transmission format based on bluetooth BLE4.0 agreements, using the low power consumption idle function of chip CC2541 with
And the super low-power consumption conversion function of sleep pattern and run time, static working current can as low as 0.4uA, considerably reduce whole
The overall power of a laboratory equipment front end intelligent Information Collection system, extends the working time under battery powered mode.For
Transmission power is effectively increased, uses balun match circuit to carry out the matching of radio-frequency receiving-transmitting signal, the ANT of said chip CC2590
Pin is connected with balun match circuit.
As shown in figure 3, in one embodiment of the invention, power supply unit 4 mainly includes 5V main power source modules 401, electricity
Source automatic switch-over circuit 402, DC-DC boost modules 403 and battery 404.Wherein, 5V main power source modules 401 select 220V to turn
5V power modules, power supply output maximum current is 500mA.Battery 404 is preferably the Ni-Cr battery that operating voltage is 3.6V.
It is each list by 5V main power source modules when 5V main power source modules 401 are inputted as working power in actual work
Member power supply；Once output voltage is less than 4V, power supply automatic switchover circuit 402 works, and working power is changed into battery 404.Battery 404
Output voltage after DC-DC boost modules 403, by output voltage stabilization to 5V be each unit power.This dual power supply supplies
Power mode improves the applicability of whole laboratory equipment front end intelligent Information Collection system.
It is understood that for those of ordinary skill in the art, it can be conceived with the technique according to the invention and done
Go out other various corresponding changes and deformation, and all these changes and deformation should all belong to the protection model of the claims in the present invention
Enclose.
Laboratory equipment front end intelligent Information Collection system provided by the present invention is described in detail above.It is right
For those of ordinary skill in the art, it is done on the premise of without departing substantially from true spirit any apparent
Change, all will form to infringement of patent right of the present invention, corresponding legal liabilities will be undertaken.
Claims (8)
1. a kind of laboratory equipment front end intelligent Information Collection system, it is characterised in that adopted including sensor unit, node data
Collect unit, wireless transmission unit and power supply unit；Wherein,
The current information of the sensor unit collection laboratory equipment supply line, humiture information, and it is transmitted to number of nodes
According to collecting unit；The node data collecting unit docks received data and is acquired, handles, stores, and sends to described
Wireless transmission unit；The wireless transmission unit encodes data, by the data after coding be transmitted to outside without line number
According in hub；
Said supply unit uses dual power supply pattern as the sensor unit, the node data collecting unit, described
Wireless transmission unit is powered.
2. laboratory equipment front end intelligent Information Collection system as claimed in claim 1, it is characterised in that：
The sensor unit includes current sensor and Temperature Humidity Sensor, is respectively used to collection laboratory equipment supply line
Current information and humiture information.
3. laboratory equipment front end intelligent Information Collection system as claimed in claim 2, it is characterised in that：
The Temperature Humidity Sensor is the digital thermometer SHTM11 after calibration.
4. laboratory equipment front end intelligent Information Collection system as claimed in claim 1, it is characterised in that：
The node data collecting unit is made of the minimum system of microcontroller STM32F103VGT6.
5. laboratory equipment front end intelligent Information Collection system as claimed in claim 1, it is characterised in that：
The wireless transmission unit encodes data using bluetooth BLE4.0 agreements.
6. laboratory equipment front end intelligent Information Collection system as claimed in claim 5, it is characterised in that：
The wireless transmission unit includes wireless transmission unit master cpu and radio transmitted power amplification module；Wherein, the nothing
Line transmission unit master cpu is chip CC2541, and the radio transmitted power amplification module is chip CC2590.
7. the laboratory equipment front end intelligent Information Collection system as described in claim 5 or 6, it is characterised in that：
The radio transmitted power amplification module carries out the matching of radio-frequency receiving-transmitting signal using balun match circuit.
8. laboratory equipment front end intelligent Information Collection system as claimed in claim 1, it is characterised in that：
Said supply unit includes 5V main power source modules, power supply automatic switchover circuit, DC-DC boost modules and battery；Wherein,
The dual power supply pattern is：It is each unit by 5V main power source modules when 5V main power source modules are inputted as working power
Power supply；Once output voltage is less than 4V, power supply automatic switchover circuit work, working power is changed into the battery；The battery
Output voltage is powered after DC-DC boost modules, by output voltage stabilization to 5V for each unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711496387.4A CN108008680A (en) | 2017-12-31 | 2017-12-31 | A kind of laboratory equipment front end intelligent Information Collection system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711496387.4A CN108008680A (en) | 2017-12-31 | 2017-12-31 | A kind of laboratory equipment front end intelligent Information Collection system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109451476A (en) * | 2018-11-02 | 2019-03-08 | 宁德师范学院 | Data collection system based on bluetooth 4.0 technology |
| CN113783258A (en) * | 2021-09-07 | 2021-12-10 | 哈尔滨工程大学 | Intelligent self-contained multi-protocol serial data collector |
| WO2023045068A1 (en) * | 2021-09-27 | 2023-03-30 | 广州市保伦电子有限公司 | Dry and wet node acquisition circuit having protection and line monitoring functions |
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|---|---|---|---|---|
| CN101275957A (en) * | 2006-12-11 | 2008-10-01 | 电子科技大学 | Wireless temperature and humidity intelligent sensor |
| CN105933460A (en) * | 2016-07-10 | 2016-09-07 | 中国传媒大学 | Intelligent power supply monitoring system for college electronic circuit laboratory |
| CN206773910U (en) * | 2017-03-01 | 2017-12-19 | 淮阴师范学院 | A kind of laboratory Internet of Things humiture perception terminal device |
| CN207623750U (en) * | 2017-12-31 | 2018-07-17 | 北京自动测试技术研究所 | A kind of laboratory equipment front end intelligent Information Collection system |
-
2017
- 2017-12-31 CN CN201711496387.4A patent/CN108008680A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101275957A (en) * | 2006-12-11 | 2008-10-01 | 电子科技大学 | Wireless temperature and humidity intelligent sensor |
| CN105933460A (en) * | 2016-07-10 | 2016-09-07 | 中国传媒大学 | Intelligent power supply monitoring system for college electronic circuit laboratory |
| CN206773910U (en) * | 2017-03-01 | 2017-12-19 | 淮阴师范学院 | A kind of laboratory Internet of Things humiture perception terminal device |
| CN207623750U (en) * | 2017-12-31 | 2018-07-17 | 北京自动测试技术研究所 | A kind of laboratory equipment front end intelligent Information Collection system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109451476A (en) * | 2018-11-02 | 2019-03-08 | 宁德师范学院 | Data collection system based on bluetooth 4.0 technology |
| CN113783258A (en) * | 2021-09-07 | 2021-12-10 | 哈尔滨工程大学 | Intelligent self-contained multi-protocol serial data collector |
| CN113783258B (en) * | 2021-09-07 | 2024-04-09 | 哈尔滨工程大学 | Intelligent self-contained multi-protocol serial data collector |
| WO2023045068A1 (en) * | 2021-09-27 | 2023-03-30 | 广州市保伦电子有限公司 | Dry and wet node acquisition circuit having protection and line monitoring functions |
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