CN107192745A - A kind of test using capacitance sensor system and detection method for detecting lotus seeds - Google Patents
A kind of test using capacitance sensor system and detection method for detecting lotus seeds Download PDFInfo
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- CN107192745A CN107192745A CN201710381827.5A CN201710381827A CN107192745A CN 107192745 A CN107192745 A CN 107192745A CN 201710381827 A CN201710381827 A CN 201710381827A CN 107192745 A CN107192745 A CN 107192745A
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- lotus seeds
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/22—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
-
- 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
-
- 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
-
- 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
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/21—Pc I-O input output
- G05B2219/21014—Interface, module with relays
-
- 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
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25257—Microcontroller
Abstract
The present invention relates to the test using capacitance sensor system and detection method of detection lotus seeds, including probe unit, detection unit and input-output unit, detection unit includes capacitance type sensor module, touch chip module, MCU controller modules and power supply processing unit, capacitance type sensor module receives to abut against the capacitance signal that lotus seeds are produced, touch the capacitance signal variable quantity that chip module receives the capacitance type sensor module collection, and MCU controller modules will be reached after the capacitance signal variable quantity gathered processing, the signal that the processing of MCU controller modules is received, the signal for the condition that meets is spread out of through input-output unit.Thus, the present invention without other or accessory system can directly with PLC or terminal interaction, have the advantages that simple in construction, strong adaptability, dynamic response are good, the inventive method is simple, artificial screening lotus seeds concentric reducer can be substituted completely, and detection is accurate, efficiency high, human cost can effectively be saved, it is to avoid the waste that causes of erroneous judgement is scrapped to wait and lost.
Description
Technical field
The invention belongs to electric mechanical technical field, more particularly to a kind of test using capacitance sensor system for detecting lotus seeds
And detection method.
Background technology
The in good time harvesting of lotus seeds, retrofit, dry in time, before ensureing lotus seeds quality, increasing economic efficiency
Propose guarantee.The traditional industries of lotus seeds post-processing, including two kinds of processing and machining by hand.But no matter which kind of form processing, its
Operation be all broadly divided into threshing, shell, remove the peel, the road program of core pulling four.In four road program process or cross Cheng Qian, it usually needs
The lotus seeds concentric reducer of shape less rule but some fine feature differences is made a distinction.Prior art generally puts into substantial amounts of people
Work carries out repeating mechanical screening operation.Easily make personnel be sick of, distraction, cause potential safety hazard, there is working strength
It is high, the problems such as stable processing technique is poor, production efficiency is unstable, defective products rate is higher.
It is difficult to find one in the market based on lotus seeds shape itself less rule and the unconspicuous feature of its feature difference
Money has autonomous system or device, really can effectively substitute a large amount of artificial repetitions for carrying out lotus seeds concentric reducer differentiation and mechanically screen
Work.In view of above-mentioned defect, the design people is actively subject to research and innovation, and dress is distinguished to found a kind of lotus seeds concentric reducer
Put, make it with more the value in industry.
The content of the invention
Wasted time and energy in order to solve the above technical problems, improving lotus seeds concentric reducer it is an object of the invention to provide one kind and distinguishing
The test using capacitance sensor system and detection method and detection method of the detection lotus seeds of shortcoming.Lotus seeds post-processing is fully solved to pass
In industry of uniting the low return of high investment and it is inefficient the problem of, artificial input can be greatly reduced and detection efficiency is lifted, acquisition can
The economic benefit of sight.Technical solution of the present invention is as follows：
One of the object of the invention, a kind of test using capacitance sensor system for detecting lotus seeds, by test using capacitance sensor
Device is constituted, and the test using capacitance sensor device includes probe unit, detection unit and the input and output list being sequentially connected
Member, the detection unit includes capacitance type sensor module, touch chip module, MCU controller modules and power supply processing unit,
Capacitance type sensor module receives to abut against the capacitance signal that lotus seeds are produced, and touches chip module and receives the capacitance type sensor mould
The capacitance signal variable quantity of block collection, and the MCU controller modules will be reached after the capacitance signal variable quantity gathered processing,
The signal that the processing of MCU controller modules is received, the signal for the condition that meets is spread out of through input-output unit.
The test using capacitance sensor system of present invention detection lotus seeds, further, the input-output unit includes I/O
Output mechanism and power input mechanism, the I/O output mechanisms are connected with MCU controller modules, and the power input mechanism connects
Power supply processing unit is connected to, the power input voltage is 12~24V dc source.
The test using capacitance sensor system of present invention detection lotus seeds, further, the power supply processing unit is by electricity
MCU controller modules described in the treatment and supplied of source and touch chip module.
The test using capacitance sensor system of present invention detection lotus seeds, further, the touch chip module is electricity
Appearance formula touch control chip, touches chip module and carries out secondary filtering decoupling processing to power supply, is touching chip module I2C communications
Increase ensures the pull-up resistor of pull-up ability on pin, and the touch chip module is made provided with overload protecting circuit and electrostatic protection
Diode.The test using capacitance sensor system of present invention detection lotus seeds, further, the detection unit includes burning
Interface and USB debugging interfaces are recorded, the burning interface and USB debugging interfaces are communicated with MCU controllers mechanism and is connected.
The test using capacitance sensor system of present invention detection lotus seeds, further, is covered with guarantor outside the detection unit
Protective case, containment vessel is divided into fore shell and rear shell two parts, and the detection unit is put to the centre of fore shell and rear shell, through screw by fore shell
One is fixed on pcb board with rear shell and detection unit, the sealing ring of waterproof action is provided between the fore shell and rear shell.
The test using capacitance sensor system of present invention detection lotus seeds, further, the probe unit includes metal
Probe, offers external screw thread in metal probe one end, metal probe is tightened on the containment vessel through the external screw thread.
The test using capacitance sensor system of present invention detection lotus seeds, further, in the metal probe and detection
The cover plate of protection metal probe is set between unit, and the cover plate is connected in detection unit through adhesive tape.
The two of the object of the invention, a kind of lotus seeds recognition methods, using a kind of any of the above-described capacitive sensing for detecting lotus seeds
Device detecting system, fixes lotus seeds to be detected first, and the pressure information that lotus seeds are transmitted is sensed by test using capacitance sensor device
And capacitive induction change amount signal is detected, recognize lotus seeds concentric reducer.
Lotus seeds recognition methods of the present invention, further, will reach MCU controller moulds after capacitance signal variable quantity processing
Block, the signal that the processing of MCU controller modules is received, the signal for recognizing lotus seeds microcephaly is spread out of through input-output unit.
Lotus seeds recognition methods of the present invention, it is further, described that lotus seeds biography is sensed by test using capacitance sensor device
The pressure information passed simultaneously detects capacitive induction change amount signal, recognizes lotus seeds concentric reducer, comprises the steps：
--- detection unit is moved forward together with probe unit and lotus seeds are touched, lotus seeds are to metal probe conduction first
Action；
--- the first action collects signal via capacitance type sensor module, is transmitted to touch chip module, confirms first
Whether result of determination, the lotus seeds end for judging contact according to capacitance change carries enough quantities of electric charge；
--- whether whether the condition of capacitance type sensor module triggering enough and is met according to capacitance change, the is confirmed
Two result of determination；
--- the second result of determination is obtained, is effectively to touch if meeting the condition of capacitance type sensor module triggering
Signal, is as invalid touch signal if be unsatisfactory for, and is confirmed so that capacitance type sensor module whether there is the effective signal of triggering
3rd result of determination；
--- the 3rd result of determination is obtained, if effectively touch signal, reaches MCU controller modules, be computed, according to being
The no MCU controller modules that meet submit the condition of PLC or terminal to confirm the 4th result of determination；
--- the 4th result of determination is obtained, if meeting submission condition, result of calculation is processed as high level, low level or ON
Signal is committed to PLC or terminal, if being unsatisfactory for submission condition, result of calculation signal is not exported, or is processed as OFF signal is committed to
PLC or terminal.
By such scheme, the present invention at least has advantages below：
1. the present invention gathers the capacitance signal variable quantity that lotus seeds to be checked are produced using capacitance type sensor, through MCU controllers
Resume module just can be handed over directly into PLC or the acceptable signal of terminal without other or accessory system with PLC or terminal
Mutually, have the advantages that simple in construction, strong adaptability, dynamic response are good；
2. the present invention is connected with external agency only needs one group of 12~24V power supply and I/O output mechanisms, input-output unit
Wire head directly exposed and wicking, facilitates the installation of client subsequently to safeguard；
3. independent power supply processing unit is provided with, is difficult by the noise jammings such as the power supply of external device, job stability
By force；
4. there are the burning interface and USB debugging interfaces of being easy to client's later stage to debug and upgrade by extension, be easy to after client
Continuous upgrade maintenance, highly versatile, beneficial to popularization and application.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
And can be practiced according to the content of specification, below with presently preferred embodiments of the present invention and coordinate accompanying drawing describe in detail as after.
Brief description of the drawings
Fig. 1 is the structural representation of the test using capacitance sensor system of present invention detection lotus seeds；
Fig. 2 is the partial structural diagram of the test using capacitance sensor system of present invention detection lotus seeds.
The implication of each reference is as follows in figure.
The lotus seeds of 1 test using capacitance sensor device 2
The burning interface of 3 fixture 4
The detection unit of 5 USB debugging interfaces 10
The metal probe of 11 containment vessel 12
The power input mechanism of 13 I/O output mechanisms 14
15 capacitance type sensor modules 16 touch chip module
The power supply processing unit of 17 MCU controller modules 18
The probe unit of 19 cover plate 20
30 input-output units
Embodiment
With reference to the accompanying drawings and examples, the embodiment to the present invention is described in further detail.Implement below
Example is used to illustrate the present invention, but is not limited to the scope of the present invention.
Referring to Fig. 1 and Fig. 2, the test using capacitance sensor system of lotus seeds is detected, by 1 group of test using capacitance sensor device
Into the test using capacitance sensor device 1 includes probe unit 20, detection unit 10 and the input-output unit being sequentially connected
30, the detection unit 10 includes capacitance type sensor module 15, touch chip module 16, MCU controller modules 17 and power supply
Processing unit 18, capacitance type sensor module 15 receives to abut against the capacitance signal that lotus seeds 2 are produced, and touches chip module 16 and receives institute
The capacitance signal variable quantity of the collection of capacitance type sensor module 15 is stated, and will be reached after the capacitance signal variable quantity gathered processing
The MCU controller modules 17, the signal that the processing of MCU controller modules 17 is received is defeated through inputting by the signal for the condition that meets
Go out unit 30 to spread out of.The capacitance type sensor module 15 is preferably intersected vertically shape by one layer of transmitting line and one layer of contact circuit
Into can be arranged in above PCB two layers.Capacitive induction signal intensity is detected by detection unit 10
Amount, effectively can screen or distinguish shape less rule but the lotus seeds concentric reducer of existing characteristics difference.
In order to further optimize the technology of the present invention effect, in one embodiment of the invention, in foregoing teachings
On the basis of, the input-output unit 30 includes I/O output mechanisms 13 and power input mechanism 14, the I/O output mechanisms 13
It is connected with MCU controller modules 17, the power input mechanism 14 is connected to power supply processing unit 18, the power input mechanism
14 be 12~24V power supplys.The voltage that power input mechanism 14 provides the external world finishes filtering etc. for 12~24V dc source
After reason, supply the MCU controller modules 17 and touch the grade work of chip module 16.I/O output mechanisms 13 can be set according to terminal
The standby requirements for power supply power provided, and consider the convenience of assembly and connection and welding, or wire cross-section area, pressure-resistant, fire prevention,
Waterproof and anti-aging etc. require to be selected after Comprehensive Assessment.I/O output mechanisms 13 and the output connecting line of power input mechanism 14,
Exposed wicking the end of a thread is directly stayed, equipment end is directly riveted to for client, facilitates client to assemble and follow-up maintenance.Connection PCB
Part on plate, it is considered to cost and stability etc., directly enters two-sided welding after eleven punch 11 with PCB.
In order to support mutual capacitance or self-capacitance mode of operation, the touch chip module 16 is that capacitance touch controls core
Piece, touching chip module 16 needs to carry out the power supply that system is provided the processing such as secondary filtering decoupling, and on I2C communication pins
The pull-up resistor for increasing by 2.2~10K Europe ensures pull-up ability.In addition to the antistatic and overload protection of lifting sensing system
Ability, the diode that electrostatic protection effect is had additional in the power input mechanism 14 and the correlation of overload protection being engaged
Circuit, mainly increases in power input mechanism 14 and I2C pins.The interlock circuit arrangement of the diode and overload protection
In PCB bottom and not overlapping relative to the vertical area of PCB with capacitance type sensor module 15, diode and
The ground plane of buffer action is provided between the interlock circuit and sensor of overload protection.By diode and the interlock circuit of overload protection
It is arranged in the bottom of PCB and avoids the corresponding vertical area of capacitance type sensor, and sets the ground plane in whole face can be by
Both is effectively isolated out.
Client's later maintenance etc. for convenience, the built-in program storage function of MCU controllers supports burning and convenient visitor
Family later maintenance or the USB debugging interfaces of optimization.Therefore, the detection unit 10 is set to be connect including burning interface 4 and USB debugging
Mouth 5, burning interface 4 and USB debugging interfaces 5 are connected with the communication of MCU controller modules 17, are carried out with touching chip module 16
I2C is communicated, and supports independent I/O to be linked up with terminal.Because the signal level of the completion of MCU controller modules 17 is normally only in 3.3V
Left and right, it is impossible to be directly connected to 12~24V of equipment I/O mouths, it is necessary to by voltage-controlled class component as metal-oxide-semiconductor field effect transistor,
The signal transacting of low-voltage is gone to the I/O mouths of control PLC or terminal device into high-tension signal.
Referring to Fig. 1, containment vessel 11 is covered with outside the detection unit 10.Containment vessel 11 accommodates detection unit 10 to it
It is interior.11 points of containment vessel is fore shell and rear shell two parts, and the detection unit 10 is put to the centre of fore shell and rear shell, through screw by before
Shell and rear shell and the pcb board of detection unit 10 (accompanying drawing is not shown) are fixed on one.In order to strengthen water proofing property, in the fore shell and
The sealing ring of waterproof action is provided between shell afterwards.
Because the head of lotus seeds 2 is smaller and shape is variant, it is fixed by the fixture 3 of special fixation, causes lotus to be checked
Son can not be contacted directly with capacitance type sensor module 15, and the probe unit 20 includes metal probe 12, and metal probe 12 leads to
Cross special shape and concentric reducer, major part and sensor contacts are set, other end microcephaly abuts against with lotus seeds 2 to be checked, play effective pass
Lead effect.The metal probe 12 is hard to hard collision due to itself and lotus seeds, and having for a long time with the wiring circuit contact of sensor can
Its circuit can be caused damaged, for the ease of assembling and avoiding to be corrupted to condenser type with the crash impulsive force of generation of lotus seeds 2 and pass
Sensor module 15, sets an external screw thread to be tightened with fore shell in the major part of metal probe 12, while can increase by one piece strong by chemistry
The glass cover sheet 19 of change, and be pasted together by double faced adhesive tape with capacitance type sensor module 15, so by the face of contact
Product increase, can effectively extend the life-span for the circuit of capacity sensor module 15 that conducts electricity.
Below based on the test using capacitance sensor system of present invention detection lotus seeds, its principle is illustrated, lotus is described in detail
Sub- recognition methods：
1. capacitance type sensor module 15 is moved and lotus seeds 2 are touched, lotus seeds 2 are acted to the conduction of metal probe 12 first；
2. the first action collects signal via capacitance type sensor module 15, touch chip module 16 is transmitted to, the is confirmed
Whether one result of determination, the end of lotus seeds 2 for judging contact according to capacitance change carries enough quantities of electric charge；
3. whether enough and whether meeting the condition of the triggering of capacitance type sensor module 15 according to capacitance change, the is confirmed
Two result of determination；
It is effectively to touch if meeting the condition of the triggering of capacitance type sensor module 15 4. obtaining the second result of determination
Signal, is as invalid touch signal if be unsatisfactory for, and comes true so that capacitance type sensor module 15 whether there is the effective signal of triggering
Recognize the 3rd result of determination；
5. the 3rd result of determination is obtained, if effectively touch signal, reaches MCU controller modules 17, be computed, according to being
The no MCU controller modules 17 that meet submit the condition of PLC or terminal to confirm the 4th result of determination；
6. obtaining the 4th result of determination, if meeting submission condition, result of calculation is processed as high level, low level or ON and believed
Number PLC or terminal are committed to, if being unsatisfactory for submission condition, result of calculation signal is not exported, or is processed as OFF signal are committed to
PLC or terminal.
By above-mentioned lotus seeds recognition methods, pressure information that lotus seeds 2 transmit is sensed simultaneously by test using capacitance sensor device 1
Capacitive induction change amount signal is detected, the concentric reducer of lotus seeds 2 is recognized, can effectively ensure that the accuracy rate of system identification, is strengthened simultaneously
The compatibility of system.The present invention has a set of independent and easily operated USB to debug and upgrading software, can be easy to user according to lotus seeds
Regional characteristic itself, and the difference such as water content is how many, come the detection sensitivity to system by visualizing sliding strip type or modification
The mode of numeral carries out simple debugging directly perceived, can thus be effectively guaranteed the accuracy rate of system identification, strengthen simultaneously
The compatibility of system.
Described above is only the preferred embodiment of the present invention, is not intended to limit the invention, it is noted that for this skill
For the those of ordinary skill in art field, without departing from the technical principles of the invention, can also make it is some improvement and
Modification, these improvement and modification also should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of test using capacitance sensor system for detecting lotus seeds, is made up of, its feature test using capacitance sensor device (1)
It is：The test using capacitance sensor device (1) includes probe unit (20), detection unit (10) and the input being sequentially connected
Output unit (30), the detection unit (10) includes capacitance type sensor module (15), touch chip module (16), MCU controls
Device module (17) processed and power supply processing unit (18), capacitance type sensor module (15) receive to abut against the electric capacity that lotus seeds (2) are produced
Signal, touches the capacitance signal variable quantity that chip module (16) receives the capacitance type sensor module (15) collection, and by institute
The MCU controller modules (17) are reached after the capacitance signal variable quantity processing of collection, MCU controller modules (17) processing is received
The signal arrived, the signal for the condition that meets is spread out of through input-output unit (30).
2. a kind of test using capacitance sensor system for detecting lotus seeds according to claim 1, it is characterised in that：It is described defeated
Entering output unit (30) includes I/O output mechanisms (13) and power input mechanism (14), the I/O output mechanisms (13) and MCU
Controller module (17) is connected, and the power input mechanism (14) is connected to power supply processing unit (18), the power input machine
Structure (14) is 12~24V power supplys.
3. a kind of test using capacitance sensor system for detecting lotus seeds according to claim 2, it is characterised in that：The electricity
Source processing unit (18) is by MCU controller modules (17) described in power supply treatment and supplied and touches chip module (16).
4. a kind of test using capacitance sensor system for detecting lotus seeds according to claim 2, it is characterised in that：It is described to touch
Chip module (16) is touched for capacitance touch control chip, chip module (16) is touched and power supply is carried out at secondary filtering decoupling
Reason, increase ensures the pull-up resistor of pull-up ability, the touch chip module on chip module (16) I2C communication pins are touched
(16) diode acted on provided with overload protecting circuit and electrostatic protection.
5. a kind of test using capacitance sensor system for detecting lotus seeds according to claim 2, it is characterised in that：The inspection
Surveying unit (10) includes burning interface (4) and USB debugging interfaces (5), the burning interface (4) and USB debugging interfaces (5) with
MCU controller modules (17) communication connection.
6. a kind of test using capacitance sensor system for detecting lotus seeds according to claim 1, it is characterised in that：The inspection
Survey outside unit (10) and be covered with containment vessel (11), containment vessel (11) is divided into fore shell and rear shell two parts, by the detection unit
(10) put the centre of fore shell and rear shell, through screw by fore shell and after shell and detection unit (10) with pcb board be fixed on one, in institute
State the sealing ring that waterproof action is provided between fore shell and rear shell.
7. a kind of test using capacitance sensor system for detecting lotus seeds according to claim 6, it is characterised in that：It is described to visit
Surveying unit (20) includes metal probe (12), and external screw thread is offered in metal probe (12) one end, through the external screw thread by metal
Probe (12) is tightened on the containment vessel (11).
8. a kind of test using capacitance sensor system for detecting lotus seeds according to claim 7, it is characterised in that：Described
The cover plate (19) of protection metal probe (12) is set between metal probe (12) and detection unit (10), and the cover plate (19) is through glue
Band is connected in detection unit (10).
9. a kind of lotus seeds recognition methods, using a kind of condenser type of claim 1 to any described detection lotus seeds of claim 8
Sensor detecting system, it is characterised in that：Fixed lotus seeds (2) to be detected, lotus is sensed by test using capacitance sensor device (1)
The pressure information of sub (2) transmission simultaneously detects capacitive induction change amount signal.
10. a kind of lotus seeds recognition methods according to claim 9, it is characterised in that：It is described to be examined by capacitance type sensor
Survey the pressure information of device (1) sensing lotus seeds (2) transmission and detect capacitive induction change amount signal, recognize lotus seeds (2) size
Head, comprises the steps：
Detection unit (10) is moved forward together with probe unit (20) and lotus seeds (2) are touched, lotus seeds (2) are to metal probe
(12) conduction first is acted；
First action collects signal via capacitance type sensor module (15), is transmitted to touch chip module (16), confirms first
Whether result of determination, lotus seeds (2) end for judging contact according to capacitance change carries enough quantities of electric charge；
Whether whether the condition of capacitance type sensor module (15) triggering enough and is met according to capacitance change, confirms second to sentence
Determine result；
The second result of determination is obtained, if meeting the condition of capacitance type sensor module (15) triggering, as effective touch signal,
As it is invalid touch signal if be unsatisfactory for, confirms so that capacitance type sensor module (15) whether there is the effective signal of triggering
3rd result of determination；
The 3rd result of determination is obtained, if effectively touch signal, reaches MCU controller modules (17), be computed, according to whether full
Sufficient MCU controller modules (17) submit the condition of PLC or terminal to confirm the 4th result of determination；
The 4th result of determination is obtained, if meeting submission condition, result of calculation is processed as high level, low level or ON signals and submitted
To PLC or terminal, if being unsatisfactory for submission condition, result of calculation signal is not exported, or is processed as OFF signal be committed to PLC or end
End.
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| CN201710381827.5A CN107192745B (en) | 2017-05-26 | 2017-05-26 | Capacitive sensor detection system and detection method for detecting lotus seeds |
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| CN107192745B CN107192745B (en) | 2023-03-14 |
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| CN112285169A (en) * | 2020-10-21 | 2021-01-29 | 苏州芯沃科电子科技有限公司 | System and method for distinguishing material attributes based on touch device |
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