CN110441826A - The teaching method and non-visible light sensor of sensor - Google Patents
The teaching method and non-visible light sensor of sensor Download PDFInfo
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- CN110441826A CN110441826A CN201910695524.XA CN201910695524A CN110441826A CN 110441826 A CN110441826 A CN 110441826A CN 201910695524 A CN201910695524 A CN 201910695524A CN 110441826 A CN110441826 A CN 110441826A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V7/00—Measuring gravitational fields or waves; Gravimetric prospecting or detecting
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V8/00—Prospecting or detecting by optical means
- G01V8/10—Detecting, e.g. by using light barriers
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Abstract
The embodiment of the present application provides the teaching method and non-visible light sensor of a kind of sensor, this method comprises: carrying out visualization instruction to target detection position using visible light；Detection signal is received, the received signal strength of the detection signal is calculated；Present threshold value is calculated according to the received signal strength of the detection signal；If the present threshold value is greater than or equal to preset threshold, alternatively, the received signal strength of the detection signal is greater than or equal to default received signal strength, it is determined that the state of the non-visible light sensor is normal condition.
Description
Technical field
This application involves the technical fields of sensor.
Background technique
In sensor in use, for large-scale recognizate, it is only necessary to which being placed in recognizate can normally be detected
Section.As shown in Figure 1, photoelectric sensor 10 issue infrared light 11, the infrared light 11 be it is non-visible, which exists
On background board formed hot spot 12, the hot spot 12 be also it is non-visible, recognizate 13 can be placed in photoelectric sensor 10 just under
Side, to be detected by photoelectric sensor 10.
At the scene of actual production operation, the volume of recognizate is smaller and smaller, the requirement to the setting precision of sensor
It is higher and higher, when this just needs to be arranged at the scene, it can accurately know detection position and the state of sensor, it can by recognizate
The working condition normally detected is as an exemplary operation state, it is ensured that recognizate can be normal under such working condition
Detection.
It should be noted that the above description of the technical background be intended merely to it is convenient to the technical solution of the application carry out it is clear,
Complete explanation, and facilitate the understanding of those skilled in the art and illustrate.Cannot merely because these schemes the application's
Background technology part is expounded and thinks that above-mentioned technical proposal is known to those skilled in the art.
Summary of the invention
Inventors have found that the detection range due to many sensors can not be directly visually observed, such as infrared light
Sensor, ultrasonic sensor etc. in operation at the scene, can not judge that whether the detection of sensor is directed toward in target recognizate
Sensor thus can not be correctly arranged in position, and may cause can not detect or error detection.In this case, at the scene
In actual installation, debugging, maintenance etc. work, due to that can not be confirmed whether accurately to measure the recognizate of target position, cause non-
Often big puzzlement expends a large amount of debugging working hour.
Fig. 2 and Fig. 3 is the schematic diagram of the detection scene of two non-visible light sensors, as shown in Figures 2 and 3, this two
In a detection scene, infrared light transducer[sensor is all used, the infrared light transducer[sensor is by transmitting infrared light to the presence or absence of recognizate
It is detected.Wherein, the infrared light transducer[sensor 20 of Fig. 2 has large spot 21 can when target recognizate 22 is in position B
It is normally detected, when target recognizate 22 is in position A or position C, cannot normally be detected.In addition, the infrared light of Fig. 3 passes
There is sensor 30 small light spot 31 can normally be detected when target recognizate 32 is in position B；At target recognizate 32
When position A or position C, cannot normally it be detected.
However, due to infrared light be it is sightless, judge target recognizate 22,32 whether in target detection position B phase
Work as difficulty, for example, due to the installation deviation of sensor, it is possible to cause the place-centric of hot spot 21,31 not in target detection position
B is set, target recognizate 22,32 thus will not can accurately be detected.
To solve the above-mentioned problems or other similar problem, the embodiment of the present application provide a kind of teaching method of sensor
With non-visible light sensor.
According to the embodiment of the present application in a first aspect, providing a kind of non-visible light sensor, wherein the non-visible light passes
Sensor includes:
Controller；
Signal launching circuit connects the controller, issues non-visible light according to the control of the controller, described non-
Visible light is for detecting the presence or absence of recognizate；
Signal detection circuit connects the controller, controls and receives detection signal according to the controller, calculates institute
The received signal strength of detection signal is stated, and present threshold value is calculated according to the received signal strength；
Teaching visualizes circuit, connects the controller, issues visible light according to the control of the controller, it is described can
It is light-exposed to be used to carry out visualization instruction to target detection position；
The controller is controlling the teaching visualization circuit sending visible light, and controls the signal and be transmitted back to
After road issues the non-visible light, controls the signal detection circuit and receive the detection signal, calculate the detection signal
Received signal strength, and present threshold value is calculated according to the received signal strength, is greater than or equal in the present threshold value pre-
If the received signal strength of threshold value or the detection signal is greater than or equal to default received signal strength, determine described non-
The state of visible light sensor is normal condition；It is less than the preset threshold or the detection signal in the present threshold value
Received signal strength when being less than the default received signal strength, determine the state of the non-visible light sensor for abnormal shape
State.
In at least one embodiment, the non-visible light sensor further include:
Teaching button connects the controller, and Xiang Suoshu controller transmits teaching indication signal from the user, described
Controller opens the teaching instruction function of the non-visible light sensor according to the teaching indication signal.
In at least one embodiment, the non-visible light sensor further include:
Show circuit connects the controller, and the display of teaching instruction state is carried out according to the control of the controller.
In at least one embodiment, the detection signal is one.
In at least one embodiment, the detection signal is two.
In at least one embodiment,
When the state of the non-visible light sensor is normal condition, the controller controls the teaching and visualizes back
Road delay working is closed afterwards for a period of time；
When the state of the non-visible light sensor is abnormality, the controller controls the teaching and visualizes back
Road carries out police instruction.
In at least one embodiment, the non-visible light sensor is infrared light transducer[sensor, ultrasonic sensor, photoelectricity
Sensor, fibre optical sensor, laser displacement sensor or TOF displacement sensor.
According to the second aspect of the embodiment of the present application, a kind of teaching method of sensor is provided, which comprises
Visualization instruction is carried out to target detection position using visible light；
Detection signal is received, the received signal strength of the detection signal is calculated；
Present threshold value is calculated according to the received signal strength of the detection signal；
If the present threshold value is greater than or equal to preset threshold, alternatively, the received signal strength of the detection signal is big
In or equal to default received signal strength, it is determined that the state of the non-visible light sensor is normal condition；If described work as
Preceding threshold value is less than the preset threshold or the received signal strength of the detection signal is strong less than the default reception signal
Degree, it is determined that the state of the non-visible light sensor is abnormality.
In at least one embodiment, the detection signal is one.
In at least one embodiment, the detection signal is two.
In at least one embodiment, when the state of the non-visible light sensor is normal condition, the method is also
Include:
Judge whether the visible light has worked preset a period of time, it if the judgment is Yes, then can described in closing
It is light-exposed.
In at least one embodiment, when the state of the non-visible light sensor is abnormality, the method is also
Include:
The visible light is set to carry out police instruction.
One of beneficial effect of the embodiment of the present application is: when carrying out teaching operation using non-visible light sensor, leading to
Visible light is crossed to judge to detect whether signal is irradiated on target detection position, confirms that the non-visible light sensor is showing with this
Whether state when religion and when detection, confirmation recognizate are set properly in the target detection position of anticipation.
Referring to following description and accompanying drawings, specific implementations of the present application are disclosed in detail, specify the original of the application
Reason can be in a manner of adopted.It should be understood that therefore presently filed embodiment is not restricted in range.Appended
In the range of the spirit and terms of claim, presently filed embodiment includes many changes, modifications and is equal.
The feature for describing and/or showing for a kind of embodiment can be in a manner of same or similar one or more
It uses in a other embodiment, is combined with the feature in other embodiment, or the feature in substitution other embodiment.
It should be emphasized that term "comprises/comprising" refers to the presence of feature, one integral piece, step or component when using herein, but simultaneously
It is not excluded for the presence or additional of one or more other features, one integral piece, step or component.
Detailed description of the invention
Included attached drawing is used to provide that a further understanding of the embodiments of the present application, and which constitute one of specification
Point, for illustrating presently filed embodiment, and with verbal description come together to illustrate the principle of the application.Under it should be evident that
Attached drawing in the description of face is only some embodiments of the present application, for those of ordinary skill in the art, is not paying wound
Under the premise of the property made is worked, it can also be obtained according to these attached drawings other attached drawings.In the accompanying drawings:
Fig. 1 is a schematic diagram of the detection scene of sensor；
Fig. 2 is another schematic diagram of the detection scene of sensor；
Fig. 3 is another schematic diagram of the detection scene of sensor；
Fig. 4 is a schematic diagram of the non-visible light sensor of the embodiment of the application first aspect；
Fig. 5 is a schematic diagram of the teaching scene of the embodiment of the application first aspect；
Fig. 6 is a schematic diagram of teaching instruction process；
Fig. 7 is a schematic diagram of the electrical structure of ultrasonic sensor；
Fig. 8 is a schematic diagram of the electrical structure of photoelectric sensor or laser sensor；
Fig. 9 is a schematic diagram of the teaching indicating means of the embodiment of the application second aspect.
Specific embodiment
Referring to attached drawing, by following specification, the aforementioned and other feature of the application be will be apparent.In specification
In attached drawing, specific implementations of the present application are specifically disclosed, which show wherein can be using the portion of the principle of the application
Divide embodiment, it will thus be appreciated that the application is not limited to described embodiment, on the contrary, the application includes falling into appended power
Whole modifications, modification and equivalent in the range of benefit requirement.
In the embodiment of the present application, singular " one ", "the" etc. include plural form, should be broadly interpreted as "an"
Or " one kind " and be not defined as "one" meaning；Furthermore term " described " be interpreted as both include singular and also including
Plural form, unless the context clearly indicates otherwise.Furthermore term " according to " is interpreted as " based in part on ... ", term
" being based on " is interpreted as " being at least partially based on ... ", unless the context clearly indicates otherwise.
The embodiment of the present application is illustrated with reference to the accompanying drawing.
The embodiment of first aspect
The embodiment of the application first aspect provides a kind of non-visible light sensor, which is, for example,
Infrared light transducer[sensor, ultrasonic sensor, photoelectric sensor, fibre optical sensor, laser displacement sensor, the flight time (TOF,
Time of Flight) displacement sensor etc..
Fig. 4 is a schematic diagram of the non-visible light sensor 400 of the embodiment of the application first aspect, as shown in figure 4,
The non-visible light sensor 400 includes: controller 401, signal launching circuit 402, signal detection circuit 403 and teaching can
Depending on changing circuit 404.Signal launching circuit 402 connects controller 401, for issuing non-visible light according to the control of controller 401,
The non-visible light is for detecting the presence or absence of recognizate.Signal detection circuit 403 connects controller 401, for according to control
Device 401 processed controls and receives detection signal, calculates the received signal strength of the detection signal, and according to the received signal strength meter
Calculate present threshold value.Teaching visualizes circuit 404 and connects controller 401, for issuing visible light according to the control of controller 401,
The visible light is for carrying out visualization instruction to target detection position.
In the embodiment of the present application, it increases teaching visualization circuit 404 and visualization instruction is carried out to target detection position,
As previously mentioned, controller 401, which can control teaching visualization circuit 404, issues visible light, and control signal launching circuit 402
Non-visible light is issued, in addition, the controller 401, which can also control signal detection circuit 403, receives detection signal, and calculates the inspection
The received signal strength for surveying signal calculates above-mentioned present threshold value according to the received signal strength, and threshold value is greater than or waits in this prior
When the received signal strength of preset threshold or above-mentioned detection signal is greater than or equal to default received signal strength, determining should
The state of non-visible light sensor is normal condition, i.e. the state that can normally be detected of recognizate；It is less than in present threshold value pre-
If threshold value, or when the received signal strength of detection signal is less than default received signal strength, determine the non-visible light sensor
State be abnormality, i.e. the state that cannot normally be detected of recognizate.
The embodiment of the present application during the teaching of non-visible light sensor using visible light to the position of detection zone into
Row visualization instruction, determines to detect whether signal is irradiated on recognizate as a result, by visible light, non-visible to confirm with this
Whether state when optical sensor teaching and when detection, confirmation recognizate are placed correctly under the target detection position of anticipation.
In the embodiment of the present application, signal launching circuit 402 may include that signal control loop and detection signal are transmitted back to
Road, the signal control loop receive the control signal from controller 401, and accordingly in the transmitting of control detection signal launching circuit
State non-visible light.The application to the composition and implementation of the signal launching circuit 402 with no restriction.
In the embodiment of the present application, signal detection circuit 403 may include signal conditioning circuit and sensing loop, the signal
Treatment loop receives the control signal from controller 401, and controls sensing loop and receive above-mentioned detection signal, which is believed
Number it is supplied to controller 401.The application to the composition and implementation in the signal detection circuit 403 with no restriction.
In the embodiment of the present application, teaching visualization circuit 404 may include that teaching instruction control loop and teaching refer to
Show luminous circuit, which indicates that control loop receives the control signal from controller 401, and controls teaching indication light and return
Road issues above-mentioned visible light.The application to the teaching visualization circuit 404 composition and implementation with no restriction.
In the embodiment of the present application, when the state of the non-visible light sensor is normal condition, controller 401 can be with
Above-mentioned teaching visualization 404 delay working of circuit is controlled to close afterwards for a period of time.For example, can be in the non-visible light sensor
Setting clock circuit in 400 (such as timer, but not limited to this) 405, it is normal shape in the state of non-visible light sensor 400
When state, start the timer, after it have passed through the predetermined time, controls above-mentioned teaching visualization circuit 404 and close visible light.By
This, can interference to avoid visible light to the injury of the light pollution of human eye and to other equipment, and the consumption of electric power can also be saved.
In the embodiment of the present application, when the state of the non-visible light sensor is abnormality, controller 401 can be with
It controls above-mentioned teaching visualization circuit 404 and carries out police instruction.Such as it controls teaching visualization circuit 404 and carries out flashing hair
Light carries out police instruction with this, whether is in normal detection state convenient for confirmation teaching state and working condition.
In one or more embodiments, as shown in figure 4, the non-visible light sensor 400 can also include teaching button
406, controller 401 is also connected, teaching indication signal from the user can be transmitted to controller 401, thus controller
401 can open the teaching instruction function of the visible light sensor according to the teaching indication signal.For example, when user presses teaching
After button 406, which passes to controller 401,401 evidence of controller for this instruction by way of electric signal
This opens teaching and indicates function, and teaching starts.
In one or more embodiments, as shown in figure 4, the non-visible light sensor 400 can also include show circuit
407, controller 401 is also connected, the display of teaching instruction state is carried out according to the control of controller 401.For example, being opened in teaching
When the beginning, such as after aforementioned teaching button 406 is pressed, show circuit 407 is lighted teaching according to the control of controller 401 and is indicated
LED perhaps shows the parameter etc. that current working status is just shown in the content of teaching or on a display screen on a display screen,
After teaching, such as after teaching visualization 404 time-delay closing of circuit, show circuit 407 is closed according to the control of controller 401
Teaching indication LED is closed, perhaps shows content or show current working status on a display screen that teaching terminates on a display screen
Parameter etc..In addition, the show circuit 407 can also carry out the display of other states, the application to this with no restriction.
In the embodiment of the present application, above-mentioned teaching button 406 and above-mentioned teaching indication LED can merge, that is, working as teaching
After button 406 is pressed, show circuit 407 lights the teaching button 406 as teaching according to the control of controller 401 and indicates shape
The display of state, similarly, after teaching visualizes 404 time-delay closing of circuit, show circuit 407 is closed according to the control of controller 401
Close the teaching button 406.
In one or more embodiments, as shown in figure 4, the non-visible light sensor 400 can also include input and output
Circuit 408 connects controller 401, receives external input and is supplied to controller 401, or according to the control of controller 401 into
The corresponding output of row, the present embodiment to the composition and implementation in the input and output circuit 408 with no restriction, such as can be by
Button, touch panel etc..
In one or more embodiments, as shown in figure 4, the non-visible light sensor 400 can also be returned including register
Road 409 connects controller 401, can store various data and accesses for controller 401.The present embodiment is to the register circuit
409 composition and implementation with no restriction, can be various types of registers.
Fig. 5 is a schematic diagram of the teaching scene of the embodiment of the present application, as shown in figure 5, in non-visible light sensor 500
On be provided with teaching button 501 and teaching indication LED 502, when teaching button 501 is pressed, teaching starts, teaching instruction
LED 502 is lit, which issues visible light 503, which is used to carry out detection position
Instruction forms hot spot P on background board；In addition, the non-visible light sensor 500 also issues non-visible light 504, the non-visible light
504 have detection zone 505, and in teaching, which is used to carry out the judgement of sensor states, i.e. normal condition
(state that recognizate can be detected normally) or abnormality (state that recognizate cannot be detected normally)；It is detecting
When, the non-visible light 504 be used for carry out recognizate O whether there is or not detection.As shown in figure 5, when recognizate O is located at detection zone 505
When interior, can normally it be detected.Detection position is carried out in non-visible light 500 teaching of sensor using visible light 503 as a result,
Instruction, can be with reasonable disposition sensor, so that recognizate O is located in the detection zone 505 that can be normally detected.
In the embodiment of the present application, which can carry out 1 teaching, can also carry out 2 teachings, In
During 1 teaching, detection signal only has 1, by the reception to the detection signal, can calculate the reception of the detection signal
Signal strength, and above-mentioned threshold value is calculated based on the received signal strength；During 2 teachings, detection signal is 2, is led to
Cross to the two detection signals reception, can calculate separately the two detection signals received signal strengths, and based on this two
The received signal strength of a detection signal calculates above-mentioned threshold value, is greater than or equal to above-mentioned preset threshold, or detection in the threshold value
Signal received signal strength (for 1 teaching namely it is above-mentioned 1 detection signal received signal strength；For 2 points
For teaching namely it is above-mentioned two detection signal received signal strength predetermined ratio) be greater than or equal to above-mentioned default reception
When signal strength, determine that the state of the non-visible light sensor is normal condition.It, can about the content of 1 teaching and 2 teachings
To refer to the relevant technologies, it is simply described as follows.
1 teaching refers to: in target recognizate under scheduled detection locality condition, pressing teaching button, controller is read
The received signal strength in signal detection circuit under this state is taken, on the basis of this received signal strength, controller calculates this
When threshold range, and aforementioned present threshold value is set according to this, such as in ± 10%~± 90% range of received signal strength
Interior to set a present threshold value according to special ratios and calculating, the application does not limit the setting method and principle of the present threshold value
System.In normal work, the actually detected received signal strength of sensor is compared with above-mentioned present threshold value, is greater than or equal to
Above-mentioned present threshold value, being judged as has recognizate, otherwise is judged as no recognizate.
2 teachings refer to: teaching are carried out in two kinds of " having recognizate " and " no recognizate ", in target recognizate
Under scheduled detection locality condition (in the case where having recognizate), teaching button is pressed, controller reads letter under this state
The received signal strength of number measure loop, in this, as first teaching of 2 teachings；Target recognizate detection position with
Under conditions of outer (in the case where no recognizate), teaching button is pressed again, controller reads the signal detection under such state
The received signal strength in circuit, in this, as the second point teaching of 2 teachings, connecing under the conditions of controller first teaching of calculating
The difference for receiving the received signal strength under the conditions of signal strength and second point teaching calculates aforementioned according to the predetermined ratio of the difference
Present threshold value, the application to the calculation method and principle of the present threshold value also with no restriction.For example, taking this 2 points reception signals strong
The average value of degree is as aforementioned present threshold value.In normal work, the actually detected received signal strength of sensor is worked as with above-mentioned
Preceding threshold value is compared, and is greater than or equal to above-mentioned present threshold value, and being judged as has recognizate, otherwise is judged as no recognizate.On
The sequencing for stating first teaching and above-mentioned second point teaching can be interchanged.
Fig. 6 is a schematic diagram of teaching visual work process, as shown in fig. 6, first setting passes before teaching starts
Sensor (601)；Later, controller control signal launching circuit works, transmitting detection signal (602), and controls signal detection and return
Road work, receives detection signal (603).
After teaching starts, such as after teaching button is pressed, if it is 1 teaching, then controller control teaching is visual
Change circuit and issues visible light (604).Optionally, controller can also control show circuit work, light teaching indication LED
(605).Later, controller control signal measure loop works, and receives detection signal and calculates received signal strength (606)；Such as
Fruit is 2 teachings, and controller controls signal detection loop works again, receives the 2nd detection signal and to calculate reception signal strong
It spends (607).Optionally, controller can control show circuit work (608), for example, the result that will be calculated or be arranged is being shown
Show and shown on circuit, the interaction of information is carried out convenient for product and user, conveniently checks that specific setting steps and parameter are big
It is small, in this example, such as: it when 1 teaching, shows 1 teaching state, when 2 teachings, shows and second point respectively at first point
Teaching state shows received signal strength and present threshold value, etc..In addition, normal condition is shown, when different when normal condition
When normal state, alarm condition and error number are shown, convenient for intuitively seeing the working condition and inner parameter of sensor；Such as nothing
Abnormal, then the time-delay closing teaching indication LED after normally display a period of time, confirmation user's teaching operation terminate.
Later, controller is according to aforementioned received signal strength (in the signal strength or 2 teachings in 1 teaching
Two signal strengths) calculate present threshold value (609)；Next, controller carries out signal judgement (610), if present threshold value
More than or equal to preset threshold, alternatively, received signal strength (for 1 teaching, can be the reception of a detection signal
Signal strength；For 2 teachings, the predetermined ratio of the received signal strength of two detection signals, such as mean value can be)
More than or equal to default received signal strength, namely being judged as YES, then controller is judged as that the state of sensor is normal condition,
It controls teaching and visualizes loop works, time-delay closing visible light (611), otherwise, controller are judged as that the state of sensor is different
Normal state, control teaching visualize loop works, carry out warning instruction (612).
If necessary to teaching again, such as signal is judged as NO namely sensor is abnormality, then can be repeatedly above-mentioned
Process, details are not described herein again；If you do not need to teaching again, such as signal is judged as YES namely sensor is normal condition, then
Teaching terminates, and sensor can start to work.
In the embodiment of the present application, as previously mentioned, the non-visible light sensor can be arbitrarily through non-visible light progress
Recognizate whether there is or not detection sensor, separately below by taking ultrasonic sensor and photoelectric sensor and laser sensor as an example
The course of work of the non-visible light sensor of the embodiment of the present application is illustrated.
Fig. 7 is the electrical structure schematic diagram of ultrasonic sensor, as shown in fig. 7, the ultrasonic sensor includes: controller
701 (embodiment of Fig. 7 by the controller 701 be MPU for, but the application is without being limited thereto), as teaching indication light circuit
Visible light shine sub-prime 702, teaching instruction control loop 703, as detection signal launching circuit ultrasonic wave launching circuit
704, signal control loop 705, the supersonic detector 706 as sensing loop, signal conditioning circuit 707, show circuit
708 and teaching button 709, as previously mentioned, optionally, which can also include input and output circuit, clock
Circuit, register circuit etc., are not shown in Fig. 7.
In the example of figure 7, the luminous sub-prime 702 of visible light and ultrasonic wave is respectively set in the emitting portion of the sensor
Launching circuit 704, it is seen that the light that the luminous sub-prime 702 of light issues is used to carry out the teaching of the sensor, ultrasonic wave launching circuit 704
The ultrasonic wave of sending is used for normal detection of the sensor for recognizate, in teaching operation, is shown by the control of controller 701
Religion instruction control loop 703 acts, it is seen that the luminous sub-prime 702 of light issues visible light, indicates the current sensing by the visible light
The center of device induction, judges whether ultrasonic wave exactly impacts on recognizate by the visible light, is confirmed with this
The state of sensor when teaching.
After the completion of teaching, if the sensor is arranged correct (normal condition), teaching visualizes circuit delay working
It is closed after one section, it is seen that the luminous sub-prime 702 of light stops shining；Ultrasonic wave launching circuit 704 continues working, and is restored to non-visible
Working condition, the ultrasonic wave of transmitting are received after the reflection of recognizate by ultrasonic detector 706, the normal operation of sensor.
Thus, on the one hand, the specific location for knowing detection that can be explicit when teaching, convenient for quickly confirmation recognizate whether by just
The true target detection position that anticipation is arranged in facilitates installation and setting sensor on the other hand to close in working condition
Visible light avoids interference of the visible light for the light pollution injury of human eye and for other equipment, also saves electric energy.
In addition, if incorrect (abnormality) is arranged in the sensor, controller 701 can drive after the completion of teaching
Dynamic teaching indicates control loop 703, the flashing alarm of sub-prime 702 that shines is controlled, alternatively, controller 701 can control show circuit
708 carry out teaching indication LED lamps flashing control or display screen prompt control, installation and operating personnel at once it is known that
Sensor is fast and accurately arranged in correctly work shape by visualization teaching again in the abnormal operation of sensor
State.
Fig. 8 is the electrical structure schematic diagram of photoelectric sensor or laser sensor, as shown in figure 8, the sensor includes: control
Device processed 801 (embodiment of Fig. 8 by taking the controller 801 is MPU as an example, but the application is without being limited thereto), as teaching indication light
The luminous sub-prime 802 of the visible light in circuit, teaching indicate control loop 803, as the infrared light emission of detection signal launching circuit
Circuit 804, signal control loop 805, the light-sensitive element 806 as sensing loop, signal conditioning circuit 807, show circuit
808 and teaching button 809, as previously mentioned, optionally, the sensor can also include input and output circuit, clock loop,
Register circuit etc., is not shown in Fig. 8.
In the embodiment in fig. 8, the luminous sub-prime 802 of visible light and infrared light hair is respectively set in the emitting portion of sensor
Light sub-prime 804, it is seen that the light light that sub-prime 802 issues that shines is used to carry out the teaching of sensor, infrared light for sensor for
It is detected the normal detection of object, in teaching operation, teaching is controlled by controller 801 and indicates that control loop 803 acts, it is seen that
The luminous sub-prime 802 of light issues visible light, and the optical centre position of current sensor detection is indicated by the visible light, visible by this
Light judges whether hot spot is irradiated on detected object, with this come the detecting state of sensor when confirming teaching.
After the completion of teaching, if the sensor is arranged correct (normal condition), teaching visualizes circuit delay working
It is closed after one section, it is seen that the luminous sub-prime 802 of light stops shining；Infrared light emission circuit 804 continues working, and is restored to non-visible
Working condition, the infrared light of transmitting are received, normal operation of sensor after the reflection of recognizate by light-sensitive element 806.By
This, on the one hand, the specific location for knowing detection that can be explicit when teaching, convenient for quickly confirming whether recognizate is set
In the target detection position of anticipation, installation and setting sensor is facilitated on the other hand to close visible light in working condition,
Interference of the visible light for the light pollution injury of human eye and for other equipment is avoided, electric energy is also saved.
In addition, if incorrect (abnormality) is arranged in the sensor, controller 801 can drive after the completion of teaching
Dynamic teaching indicates control loop 803, the flashing alarm of sub-prime 802 that shines is controlled, alternatively, controller 801 can control show circuit
808 carry out teaching indication LED lamps flashing control or display screen prompt control, installation and operating personnel at once it is known that
Sensor is fast and accurately arranged in correctly work shape by visualization teaching again in the abnormal operation of sensor
State.
In the embodiment in fig. 8, light-emitting component (infrared light shine sub-prime) 804 and light-sensitive element 806 can be integral type,
Thus the sensor constituted can be used as reflection sensor use, but the application is without being limited thereto, and (infrared light shines light-emitting component
Sub-prime) 804 and light-sensitive element 806 be also possible to split type, the sensor thus constituted, which can be used as correlation type sensor, to be made
With.
Judged when carrying out teaching operation using non-visible light sensor using visible light according to the embodiment of the present application
Detection signal whether be irradiated on target detection position, with this come confirm the non-visible light sensor in teaching and detection when
Whether state, confirmation recognizate are set properly in the target detection position of anticipation.
The embodiment of second aspect
The embodiment of the application second aspect provides a kind of teaching method of sensor, and this method is applied to non-visible light
Sensor, such as infrared light transducer[sensor, ultrasonic sensor, photoelectric sensor, fibre optical sensor, laser displacement sensor, TOF
Displacement sensor etc. is done in the embodiment of first aspect about the composition and implementation of the non-visible light sensor
Explanation, content are incorporated in this, and details are not described herein again.Fig. 9 is showing for the sensor of the embodiment of the application second aspect
One schematic diagram of religion method, as shown in figure 9, this method comprises:
Operation 901: visualization instruction is carried out to target detection position using visible light；
Operation 902: receiving detection signal, calculates the received signal strength of the detection signal；
Operation 903: present threshold value is calculated according to the received signal strength of the detection signal；
Operation 904: if the present threshold value is greater than or equal to preset threshold, alternatively, the reception letter of the detection signal
Number intensity is greater than or equal to default received signal strength, it is determined that and the state of the non-visible light sensor is normal condition,
That is the state that can normally be detected of recognizate.
In the embodiment of the present application, if above-mentioned present threshold value is less than above-mentioned preset threshold or above-mentioned detection signal
Received signal strength is less than above-mentioned default received signal strength, it is determined that and the state of the non-visible light sensor is abnormality,
Namely the state that recognizate cannot be detected normally.
It in one or more embodiments, can be with when the state for determining the non-visible light sensor is normal condition
Close the visible light delay working afterwards for a period of time, for example, a timer can be set in the non-visible light sensor,
When the state of non-visible light sensor is normal condition, start the timer, after it have passed through the predetermined time, control is above-mentioned can
Light-exposed closing.The non-visible light sensor is restored to the working condition of non-visible light as a result, it is possible thereby to avoid visible light to people
The light pollution injury of eye and the interference to other equipment, and the consumption of electric power can also be saved.
It in one or more embodiments, can be with when the state for determining the non-visible light sensor is abnormality
Police instruction is carried out using above-mentioned visible light, such as controls above-mentioned visible light and carries out flashing, abnormality is carried out with this
Police instruction；Alternatively, can also be prompted accordingly by the flashing of control teaching indication LED lamp or control display screen.
In the embodiment of the present application, teaching state can also be indicated, such as after teaching starts, lights teaching and refer to
Show LED or display teaching state, after teaching, closes teaching indication LED or close teaching state.
The method of the embodiment of the present application is suitable for 1 teaching and 2 teachings, and during 1 teaching, detection signal only has
1, by the reception to the detection signal, the received signal strength of the detection signal can be calculated, and believe based on the reception
Number above-mentioned threshold value of Strength co-mputation；During 2 teachings, detection signal is 2, by the way that the two are detected with the reception of signals,
The received signal strength of the two detection signals can be calculated separately, and based on the received signal strength of the two detection signals
It counts in stating threshold value, is greater than or equal to above-mentioned preset threshold in the threshold value, or detect the received signal strength of signal (for 1 point
It is the received signal strength of said one detection signal for teaching；It is above-mentioned two detection signal for 2 teachings
Received signal strength predetermined ratio) be greater than or equal to above-mentioned default received signal strength when, determine the non-visible light sense
The state of device is normal condition.About the content of 1 teaching and 2 teachings, the relevant technologies can be referred to, also in first party
It is described in the embodiment in face, details are not described herein again.
According to the teaching indicating means of the embodiment of the present application, when carrying out teaching operation using non-visible light sensor, lead to
Visible light is crossed to judge to detect whether signal is irradiated on target detection position, confirms that the non-visible light sensor is showing with this
Whether state when religion and when detection, confirmation recognizate are set properly in the target detection position of anticipation.
Combine specific embodiment that the application is described above, it will be appreciated by those skilled in the art that this
A little descriptions are all exemplary, and are not the limitation to the application protection scope.Those skilled in the art can be according to the application
Spirit and principle various variants and modifications are made to the application, these variants and modifications are also within the scope of application.
Claims (10)
1. a kind of non-visible light sensor, which is characterized in that the non-visible light sensor includes:
Controller；
Signal launching circuit connects the controller, issues non-visible light according to the control of the controller, described non-visible
Light is for detecting the presence or absence of recognizate；
Signal detection circuit connects the controller, controls and receives detection signal according to the controller, calculate the inspection
The received signal strength of signal is surveyed, and present threshold value is calculated according to the received signal strength；
Teaching visualizes circuit, connects the controller, issues visible light, the visible light according to the control of the controller
For carrying out visualization instruction to target detection position；
The controller is controlling the teaching visualization circuit sending visible light, and controls the signal launching circuit hair
Out after the non-visible light, controls the signal detection circuit and receive the detection signal, calculate connecing for the detection signal
Signal strength is received, and present threshold value is calculated according to the received signal strength, is greater than or equal to default threshold in the present threshold value
When the received signal strength of value or the detection signal is greater than or equal to default received signal strength, determine described non-visible
The state of optical sensor is normal condition；It is less than the preset threshold in the present threshold value or the detection signal connects
When receiving signal strength less than the default received signal strength, determine that the state of the non-visible light sensor is abnormality.
2. non-visible light sensor according to claim 1, wherein the non-visible light sensor further include:
Teaching button, connects the controller, and Xiang Suoshu controller transmits teaching indication signal from the user, the control
Device opens the teaching instruction function of the non-visible light sensor according to the teaching indication signal.
3. non-visible light sensor according to claim 1, wherein the non-visible light sensor further include:
Show circuit connects the controller, and the display of teaching instruction state is carried out according to the control of the controller.
4. non-visible light sensor according to claim 1, wherein the detection signal is one or two.
5. non-visible light sensor according to claim 1, wherein
When the state of the non-visible light sensor is normal condition, the controller controls teaching visualization circuit and prolongs
When close after a period of work；
When the state of the non-visible light sensor is abnormality, the controller control the teaching visualize circuit into
Row police instruction.
6. non-visible light sensor according to claim 1-5, wherein the non-visible light sensor is infrared
Optical sensor, ultrasonic sensor, photoelectric sensor, fibre optical sensor, laser displacement sensor, flight time (TOF) displacement
Sensor.
7. a kind of teaching method of sensor is applied to non-visible light sensor, which is characterized in that the described method includes:
Visualization instruction is carried out to target detection position using visible light；
Detection signal is received, the received signal strength of the detection signal is calculated；
Present threshold value is calculated according to the received signal strength of the detection signal；
If the present threshold value be greater than or equal to preset threshold, alternatively, it is described detection signal received signal strength be greater than or
Equal to default received signal strength, it is determined that the state of the non-visible light sensor is normal condition；If the current threshold
Value is less than the preset threshold or the received signal strength of the detection signal is less than the default received signal strength, then
The state for determining the non-visible light sensor is abnormality.
8. according to the method described in claim 7, wherein, the detection signal is one or is two.
9. according to the method described in claim 7, wherein, when the state of the non-visible light sensor is normal condition, institute
State method further include:
Judge whether the visible light has worked preset a period of time, if the judgment is Yes, then closes the visible light.
10. according to the method described in claim 7, wherein, when the state of the non-visible light sensor is abnormality, institute
State method further include:
The visible light is set to carry out police instruction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910695524.XA CN110441826B (en) | 2019-07-30 | 2019-07-30 | Teaching method of sensor and invisible light sensor |
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|---|---|---|---|
| CN201910695524.XA CN110441826B (en) | 2019-07-30 | 2019-07-30 | Teaching method of sensor and invisible light sensor |
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| CN110441826B (en) | 2022-03-15 |
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