CN110247990A - A kind of detection system, method and the Work attendance method of seat service condition - Google Patents
A kind of detection system, method and the Work attendance method of seat service condition Download PDFInfo
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- CN110247990A CN110247990A CN201910629710.3A CN201910629710A CN110247990A CN 110247990 A CN110247990 A CN 110247990A CN 201910629710 A CN201910629710 A CN 201910629710A CN 110247990 A CN110247990 A CN 110247990A
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- 238000001514 detection method Methods 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims description 10
- 230000005540 biological transmission Effects 0.000 claims abstract description 16
- QVFWZNCVPCJQOP-UHFFFAOYSA-N chloralodol Chemical compound CC(O)(C)CC(C)OC(O)C(Cl)(Cl)Cl QVFWZNCVPCJQOP-UHFFFAOYSA-N 0.000 claims description 29
- 238000004891 communication Methods 0.000 claims description 19
- 239000003990 capacitor Substances 0.000 claims description 7
- 238000001914 filtration Methods 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 4
- 239000011888 foil Substances 0.000 claims description 4
- 239000012141 concentrate Substances 0.000 claims 1
- 238000012544 monitoring process Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 7
- 238000012545 processing Methods 0.000 description 4
- 101100422872 Arabidopsis thaliana SWEET8 gene Proteins 0.000 description 3
- 101100118563 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) RPG1 gene Proteins 0.000 description 3
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/16—Measuring force or stress, in general using properties of piezoelectric devices
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C1/00—Registering, indicating or recording the time of events or elapsed time, e.g. time-recorders for work people
- G07C1/10—Registering, indicating or recording the time of events or elapsed time, e.g. time-recorders for work people together with the recording, indicating or registering of other data, e.g. of signs of identity
-
- 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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
- H04L67/025—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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Abstract
The invention discloses a kind of detection methods of seat service condition, compartmentalization division is carried out to all seats that needs detect, the related work frequency range of wireless transmission is respectively configured in each region, any region uses the use state information the following steps are included: data collecting module collected seat, and is sent to module in data set by the wireless transmission of the working frequency range；The use state information for multiple seats that working frequency range described in module collection transmits in data set, and it is sent to cloud platform；The cloud platform according to the use state information of multiple seats generate seat service condition summary information, realize on seat whether the real time monitoring and management of someone.
Description
Technical field
The present invention is originally related to Internet of Things and corporate management domains, specifically a kind of detection system of seat service condition
System, method and Work attendance method.
Background technique
Smart home has had the development of more than ten years in China, and the sector was even more and flourishes in recent years, wherein intelligence
Seat is also at the important family product in for people's lives.Existing Intelligent seat can provide comfortable, high-grade and pleasant stop
Not busy mode improves the quality and quality of the modern life.And Intelligent seat is applied in many companies.But at present
Do not have also and Centralizing inspection, the service condition in the room Lai Fanying or flood office space are carried out to the use state information of seat.
Summary of the invention
It is an object of the invention to: in the prior art cannot use state information to seat carry out Centralizing inspection
Problem provides the detection system and method for a kind of seat service condition, so that property management personnel understands office space in real time
Service condition.
To achieve the goals above, the technical solution adopted by the present invention are as follows:
A kind of detection system of seat service condition, including module in data set and the data acquisition module that seat is arranged in
Block；
The data acquisition module includes LORA communication module, strain gauge module, two-way double operational circuit, monolithic
Machine；Module includes LORA transceiver module, wifi module in the data set；
Wherein, the strain gauge module is used to acquire the stress data of seat stress；The two-way double operational circuit
For amplifying the stress data；The single-chip microcontroller is used for according to the stress data, judge on seat whether someone, and sentence
It is disconnected go out seat on someone state or nobody state when, output phase answers status information to the LORA communication module；It is described
LORA communication module is used to the status information being sent to module in the data set；
The LORA transceiver module is used to receive the status information of LORA communication module transmission；The wifi module is used
In the status information is transferred to cloud platform.
Preferably, the two-way double operational circuit amplifies signal and RC high-pass filtering, wherein
In first via double operational circuit, the collector of amplifier U4A is grounded by resistance R11, and the base stage of amplifier U4A passes through electricity
The emitter of R13 connection amplifier U4A is hindered, the base stage of amplifier U4A passes through the emitter of resistance R9 connection amplifier U6A, amplifier U4A's
Emitter passes through the emitter of resistance R28 connection amplifier U4B；The collector of amplifier U4B is grounded by resistance R24, amplifier U4B's
Base stage passes through the emitter of resistance R20 connection amplifier U4B, and the base stage of amplifier U4B passes through the transmitting of resistance R22 connection amplifier U6A
Pole；The base stage of amplifier U6A is grounded by capacitor C8, and passes through the collector of resistance R12 connection amplifier U6A, the current collection of amplifier U6A
Pole is connected to the single-chip microcontroller by resistance R26 and precision adjustable resistance RPG1；
In second road double operational circuit, the collector of amplifier U5A is grounded by resistance R14, and the base stage of amplifier U5A passes through electricity
The emitter of R16 connection amplifier U5A is hindered, the base stage of amplifier U5A passes through the emitter of resistance R10 connection amplifier U6B, amplifier U5A
Emitter pass through the emitter of resistance R29 connection amplifier U5B；The collector of amplifier U5B is grounded by resistance R25, amplifier U5B
Base stage by the emitter of resistance R21 connection amplifier U5B, the base stage of amplifier U5B passes through the collection of resistance R23 connection amplifier U6B
Electrode；The base stage of amplifier U6B is grounded by capacitor C9, and passes through the emitter of resistance R15 connection amplifier U6B, the collection of amplifier U6B
Electrode is connected to the single-chip microcontroller by resistance R27 and precision adjustable resistance RPG2.
Preferably, the two-way double operational circuit further includes being separately positioned on amplifier U4A, U4B, U5A, U5B, U6A, U6B
The capacitive filter of surrounding.
Preferably, the data acquisition module further includes toggle switch, and the toggle switch is used to modify the communication of LORA
The operating mode of frequency range and/or the switching data acquisition module.
Preferably, the single-chip microcontroller uses stm8L151.
Preferably, the wifi module uses ESP8266.
Preferably, the LORA communication module uses sx1278.
Preferably, the LORA transceiver module uses sx1278.
Preferably, the strain gauge module acquires electricity different under someone or unmanned state using semibridge system foil gauge
Pressure value.
A kind of detection method of seat service condition,
Compartmentalization division is carried out to all seats that needs detect, the related work of wireless transmission is respectively configured in each region
Frequency range, any region use the following steps are included:
The use state information of data collecting module collected seat, and be sent to by the wireless transmission of the working frequency range
Module in data set；
The use state information for multiple seats that working frequency range described in module collection transmits in data set, and be sent to
Cloud platform；
The cloud platform generates seat service condition summary information according to the use state information of multiple seats.
Preferably, the data acquisition module acquired the use state information of a seat every 10 seconds, if described
Use state information is different from the use state information of last time acquisition, then sends use state information mould into data set
Block；If the use state information is identical as the use state information of last time acquisition, one was sent every 5 minutes or 10 minutes
Secondary use state information module into data set.
A kind of Work attendance method,
To needing to be numbered by the seat of the people of attendance, using the use state of seat described in data collecting module collected
Information, and module in data set is sent to by wireless transmission；
The use state information of all number seats of module collection in the data set, and it is sent to cloud platform；
The cloud platform counts making for each number seat according to the use state information of all number seats respectively
With situation information.
In conclusion by adopting the above-described technical solution, the beneficial effects of the present invention are:
Compartmentalization division is carried out to all seats that needs detect, the related work of wireless transmission is respectively configured in each region
Frequency range, any region uses the use state information the following steps are included: data collecting module collected seat, and passes through the work
The wireless transmission for making frequency range is sent to module in data set；Multiple seats that working frequency range described in module collection transmits in data set
The use state information, and be sent to cloud platform；The cloud platform is raw according to the use state information of multiple seats
At seat service condition summary information, realize on seat whether the real time monitoring and management of someone.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the detection system of seat service condition.
Fig. 2 is the flow diagram of the detection method of seat service condition.
Fig. 3 is the circuit connection diagram of first via double operational.
Fig. 4 is the circuit connection diagram of the second road double operational.
Fig. 5 is the circuit connection diagram of single-chip microcontroller.
Fig. 6 is the flow diagram of the embodiment of the present invention.
Fig. 7 is the circuit connection diagram of capacitive filter.
Fig. 8 is the schematic view of the mounting position of data acquisition device.
Fig. 9 is the monitored picture that cloud platform is shown.
Specific embodiment
With reference to the accompanying drawing, the present invention is described in detail.
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, not
For limiting the present invention.
As shown in Figure 1, a kind of detection system of seat service condition, including module in data set and the number that seat is arranged in
According to acquisition module.
The data acquisition module includes LORA communication module, strain gauge module, two-way double operational circuit, monolithic
Machine.The installation site of data acquisition module is as shown in Figure 8.
As shown in Fig. 2, a kind of detection method of seat service condition.The support section of general office seat bottom is
Metal is acquired this small deformation using strain gauge, then since small deformation can occur after metal stress
Amplification, according to Metal Deformation judge seat whether someone.The strain gauge module uses semibridge system foil gauge, and foil gauge is
Be made of the element for measuring strain sensitive grid etc., it is pasted onto under-seat by when use securely, after seat stress by
Strained in measuring point, sensitive grid also makes its resistance change therewith deforming, after resistance variations corresponding voltage value also with
Variation, in this way can be in the case where not changing seat original structure by someone or voltage value different in the state of nobody
Acquisition comes out.It is main when sensor can not be resisted factor by external worlds such as temperature and null offset occurs using automatic Calibration algorithm
Control chip (single-chip microcontroller) re-scales zero point value automatically under unmanned state.
After collected voltage value is amplified the voltage value of variation by the two-way double operational circuit, adopted by single-chip microcontroller
Collection；Wherein, the two-way double operational circuit, in first via double operational circuit, as the collector of Fig. 3, amplifier U4A pass through resistance
R11 ground connection, the base stage of amplifier U4A pass through the emitter of resistance R13 connection amplifier U4A, and the base stage of amplifier U4A is connected by resistance R9
The emitter of amplifier U6A is connect, the emitter of amplifier U4A passes through the emitter of resistance R28 connection amplifier U4B；The current collection of amplifier U4B
Pole is grounded by resistance R24, and the base stage of amplifier U4B passes through the emitter of resistance R20 connection amplifier U4B, and the base stage of amplifier U4B is logical
Cross the emitter of resistance R22 connection amplifier U6A；The base stage of amplifier U6A is grounded by capacitor C8, and is transported by resistance R12 connection
The collector of U6A is put, the collector of amplifier U6A is connected to the single-chip microcontroller by resistance R26 and precision adjustable resistance RPG1；It adopts
It is connected with resistance R12 and capacitor C8, realizes the RC high-pass filtering to signal.To such as Fig. 4, in the second road double operational circuit, amplifier
The collector of U5A is grounded by resistance R14, and the base stage of amplifier U5A passes through the emitter of resistance R16 connection amplifier U5A, amplifier
The base stage of U5A passes through the emitter of resistance R10 connection amplifier U6B, and the emitter of amplifier U5A passes through resistance R29 connection amplifier U5B
Emitter；The collector of amplifier U5B is grounded by resistance R25, and the base stage of amplifier U5B passes through resistance R21 connection amplifier U5B's
Emitter, the base stage of amplifier U5B pass through the collector of resistance R23 connection amplifier U6B；The base stage of amplifier U6B is connect by capacitor C9
Ground, and pass through the emitter of resistance R15 connection amplifier U6B, the collector of amplifier U6B passes through resistance R27 and accurate adjustable resistance
RPG2 is connected to the single-chip microcontroller；It is connected using resistance R15 and capacitor C9, realizes the RC high-pass filtering to signal.Using two-way
Double operational Design of Hardware Architecture amplification factor is big and adjustable (to pass through the resistance of adjustment precision adjustable resistance RPG1, RPG2
Value).Increase a capacitive filter (as shown in Figure 7) around above-mentioned each amplifier (U4A, U4B, U5A, U5B, U6A, U6B),
It is filtered for the power supply to amplifier chip, guarantees amplifier chip steady operation.
Such as Fig. 5, single-chip microcontroller uses 8 super low power consuming single chip processor stm8L151, stand-by power consumption minimum reachable 3uA, up to 64+
The flash memory EEPROM of 2 byte datas is programmed convenient and simple.After single-chip microcontroller collects AD value, using Mean Filtering Algorithm, considering
While to power consumption, the interference of noise has been filtered；Then, algorithm logic judgement processing is carried out, finally (judges processing result
Status information, i.e., current state be someone or nobody) module in data set sent data to by LORA communication module；Institute
LORA communication module is stated using high-performance Internet of Things radio transmitting and receiving chip sx1278, special LORA debud mode can increase
Add communication distance, can be widely applied to the short distance Internet of Things wireless communication field of various occasions, with small in size, power consumption
The features such as low, long transmission distance, strong antijamming capability.
Data acquisition module further includes toggle switch, and the toggle switch is used to modify the communications band of LORA, and controls
The operating mode of data acquisition module.Wherein, the operating mode of data acquisition module is divided into test pattern, configuration mode and just
Normal operating mode.
In test mode, strain gauge module powers on, and acquires stress data and judges its use through single-chip microcontroller
State sends module in data set for use state information by LORA.
In the configuration mode, LORA communication module powers on, and configures corresponding working frequency range.
In the normal mode of operation, strain gauge module acquires primary stress data every 10s, and single-chip microcontroller judges seat
Use state this is used into shape immediately if the use state information and last collected use state information are different
State information is sent to module in data set；If the use state information is identical as last collected use state information,
(if the use state information corresponds to the state of someone, the primary use state information was sent every 5 minutes into sleep pattern
The module into data set；If the use state information corresponds to nobody state, the primary use state was sent every 10 minutes
Information module into data set).
Module (gateway) includes LORA transceiver module, wifi module in data set.The LORA transceiver module is for receiving
The status information of LORA transmission；Status information is transferred to cloud platform by wifi module.
Wifi module uses ESP8266, and operating temperature range is big, and is able to maintain stable performance, adapts to various
Operating environment.ESP8266 is integrated with 32 Tensilica processors, standard digital Peripheral Interface, duplexer, radio frequency
Balun, power amplifier, low noise amplifier, filter and power management module etc., it is only necessary to seldom peripheral circuit, it can be by institute
Account for PCB space reduction.ESP8266 aims at mobile device, wearable electronic product and Internet of Things application and designs, by multinomial special
There is technology to realize super low-power consumption.The battery saving mode that ESP8266 has is suitable for various low-power consumption application scenarios.In ESP8266
32 risc processors of super low-power consumption Tensilica L106 are set, cpu clock speed reaches as high as 160MHz, supports behaviour in real time
Make system (RTOS) and Wi-Fi protocol stack, the processing capacity that can will be up to 80% leaves application programming and exploitation for.LORA receives and dispatches mould
Block uses high-performance Internet of Things radio transmitting and receiving chip sx1278.
Cloud platform generates seat service condition summary information according to the use state information of multiple seats, and handles and go through
History data query and data and curves drafting etc..
A kind of attendance mode, to needing to be numbered by the seat of the people of attendance, a number is arranged in each number seat
According to acquisition module, number is sent to using the use state information of seat described in data collecting module collected, and by wireless transmission
According to concentration module；
The use state information of all number seats of module collection in the data set, and it is sent to cloud platform；
The cloud platform counts making for each number seat according to the use state information of all number seats respectively
With situation information；Wherein, service condition information leaves the number seat in the duration of the number seat and people including people
Duration.
Embodiment 1
It such as Fig. 6, is powered using 3.0v battery, toggle switch controls operating mode (test pattern, configuration mode, normal work
Operation mode) and working frequency range (totally 8).Single-chip microcontroller scans monitoring primary transducer data every 10s, works as sensing data
It changes and soon the data of variation is handled, and processing result (someone nobody) is uploaded to module in data set.
If there is no changing just to enter sleep pattern.5min sends a data under someone's state, and 10min sends one under unmanned state
Secondary data.The seat service condition summary information shown in cloud platform is as shown in Figure 9.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (9)
1. a kind of detection system of seat service condition, which is characterized in that including module in data set and the number that seat is arranged in
According to acquisition module；
The data acquisition module includes LORA communication module, strain gauge module, two-way double operational circuit, single-chip microcontroller；Institute
Stating module in data set includes LORA transceiver module, wifi module；
Wherein, the strain gauge module is used to acquire the stress data of seat stress；The two-way double operational circuit is used for
Amplify the stress data；The single-chip microcontroller is used for according to the stress data, judge on seat whether someone, and judge
The state of someone or when nobody state on seat, output phase answers use state information to the LORA communication module；It is described
LORA communication module is used to the use state information being sent to module in the data set；
The LORA transceiver module is used to receive the use state information of LORA communication module transmission；The wifi module is used
In the use state information is transferred to cloud platform.
2. the detection system of seat service condition according to claim 1, which is characterized in that the two-way double operational circuit
For being amplified to signal and RC high-pass filtering, wherein
In first via double operational circuit, the collector of the first amplifier is grounded by first resistor, and the base stage of the first amplifier passes through the
Two resistance connect the emitter of the first amplifier, and the base stage of the first amplifier connects the emitter of third amplifier by 3rd resistor, the
The emitter of one amplifier connects the emitter of the second amplifier by the 4th resistance；The collector of second amplifier is connect by the 5th resistance
Ground, the base stage of the second amplifier connect the emitter of the second amplifier by the 6th resistance, and the base stage of the second amplifier passes through the 7th resistance
Connect the emitter of third amplifier；The base stage of third amplifier is grounded by first capacitor, and connects third fortune by the 8th resistance
The collector of the collector put, third amplifier is connected to the single-chip microcontroller by the 9th resistance and the first accurate adjustable resistance；
In second road double operational circuit, by the tenth resistance eutral grounding, the base stage of four high guaily unit passes through for the collector of four high guaily unit
11 resistance connect the emitter of four high guaily unit, and the base stage of four high guaily unit connects the transmitting of the 6th amplifier by twelfth resistor
Pole, the emitter of four high guaily unit connect the emitter of the 5th amplifier by thirteenth resistor；The collector of 5th amplifier passes through the
14 resistance eutral groundings, the base stage of the 5th amplifier connect the emitter of the 5th amplifier, the base stage of the 5th amplifier by the 15th resistance
The collector of the 6th amplifier is connected by the 16th resistance；The base stage of 6th amplifier passes through the tenth by the second capacity earth
Seven resistance connect the emitter of the 6th amplifier, and the collector of the 6th amplifier is connected by the 18th resistance and the second accurate adjustable resistance
It is connected to the single-chip microcontroller.
3. the detection system of seat service condition according to claim 2, which is characterized in that the two-way double operational electricity
Road, further include be separately positioned on the first amplifier, the second amplifier, third amplifier, four high guaily unit, the 5th amplifier, around the 6th amplifier
Capacitive filter.
4. the detection system of seat service condition according to claim 1, which is characterized in that the data acquisition module is also
Including toggle switch, the toggle switch is used to modify the communications band of LORA and/or the work of the switching data acquisition module
Operation mode.
5. the detection system of seat service condition according to claim 1, which is characterized in that the single-chip microcontroller uses
stm8L151；The wifi module uses ESP8266；The LORA communication module is all made of with the LORA transceiver module
sx1278。
6. the detection system of seat service condition according to claim 1, which is characterized in that the strain gauge module
Voltage value different under someone or unmanned state is acquired using semibridge system foil gauge.
7. a kind of detection method of seat service condition, which is characterized in that
Compartmentalization division is carried out to all seats that needs detect, the related work frequency of wireless transmission is respectively configured in each region
Section, any region use the following steps are included:
The use state information of data collecting module collected seat, and data are sent to by the wireless transmission of the working frequency range
Concentrate module；
The use state information for multiple seats that working frequency range described in module collection transmits in the data set, and be sent to
Cloud platform；
The cloud platform generates seat service condition summary information according to the use state information of multiple seats.
8. the detection method of seat service condition according to claim 7, which is characterized in that the data acquisition module is every
Every the use state information of the seat of acquisition in 10 seconds, if the use state of the use state information and last acquisition
Information is different, then sends use state information module into data set；If the use state information and last acquisition
Use state information it is identical, then every 5 minutes or 10 minutes transmission first use status information modules into data set.
9. a kind of Work attendance method, which is characterized in that
To needing to be numbered by the seat of the people of attendance, believed using the use state of seat described in data collecting module collected
Breath, and module in data set is sent to by wireless transmission；
The use state information of all number seats of module collection in the data set, and it is sent to cloud platform；
The cloud platform counts the use feelings of each number seat according to the use state information of all number seats respectively
Condition information.
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| CN201910629710.3A CN110247990A (en) | 2019-07-12 | 2019-07-12 | A kind of detection system, method and the Work attendance method of seat service condition |
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| CN201910629710.3A CN110247990A (en) | 2019-07-12 | 2019-07-12 | A kind of detection system, method and the Work attendance method of seat service condition |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110703337A (en) * | 2019-10-18 | 2020-01-17 | 乐鑫信息科技（上海）股份有限公司 | Capacitive intelligent station detection system |
| CN112437138A (en) * | 2020-11-12 | 2021-03-02 | 安徽大学 | Measurement and control terminal based on NBIoT communication and communication docking and switching method thereof |
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Application publication date: 20190917 |