CN110109008A - It is a kind of close to inductive switching range test device and method - Google Patents
It is a kind of close to inductive switching range test device and method Download PDFInfo
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- CN110109008A CN110109008A CN201910316255.1A CN201910316255A CN110109008A CN 110109008 A CN110109008 A CN 110109008A CN 201910316255 A CN201910316255 A CN 201910316255A CN 110109008 A CN110109008 A CN 110109008A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
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- General Physics & Mathematics (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
The invention discloses a kind of close to inductive switching range test system and method, which includes detection body, position regulating unit and station acquisition unit；The position regulating unit is to be measured close to switch movement for driving, adjust it is described close to switch with the detection body in a first direction and in the second direction vertical with the first direction at a distance from；The first direction is close to the direction of the corresponding detection body of sensitive surface of switch；The station acquisition unit and close switch connection for setting the dead-center position close to switch in this second direction, and are used to record displacement data when moving in a second direction close to switch apart from the dead-center position in real time；The present invention can be achieved to test close to transvercal induction range of the switch under different distance of reaction, and system structure is simple, easy to operate, versatile.
Description
Technical field
The invention belongs to switch testing technical fields, more particularly, to a kind of close to inductive switching range test device
And method.
Background technique
It is a kind of without carrying out mechanically direct contact and manipulable position switch with moving component close to switch, also known as
Contactless proximity switch is ideal electronic switch quantity sensor.When metal detection body is close to the induction region of switch, switch is just
Energy is contactless, no pressure, no-spark, issues electrical command rapidly, and accurate response goes out position and the stroke of movement mechanism, that is, uses
It is controlled in general stroke, positioning accuracy, operating frequency, service life, the convenience of mounting and adjusting and to adverse circumstances
The ability of being applicable in is that common mechanical formula travel switch institute is incomparable.It is widely used in Aeronautics and Astronautics technology, lathe, smelting
The industries such as gold, chemical industry, light textile and printing.It can be used as limit, counting, location control and automatic protection ring in automatic control system
Section etc..
In the type selecting close to switch in use, distance of reaction is to approach to switch a mostly important parameter.When there is object
When shifting to close to switch, and being close to certain distance, displacement sensor just has " perception ", and switch can just act, usually this
Distance is distance of reaction or detection distance；Different its distance of reaction close to switch is also different.And to close switch in the not same feeling
Should the transvercal induction range under have and be seldom related to or apply, but in the application of certain specific occasions, need to close to opening
The transvercal induction range closed under different distance of reaction requires；And in the prior art almost without the cross being used to close switch
The device or method detected to induction range parameter.
Summary of the invention
For at least one defect or Improvement requirement of the prior art, the present invention provides a kind of close to inductive switching range
Test device and method are, it can be achieved that test close to transvercal induction range of the switch under different distance of reaction.
To achieve the above object, according to one aspect of the present invention, it provides a kind of close to inductive switching range test system
System, including detection body, position regulating unit and station acquisition unit；
The position regulating unit is to be measured close to switch movement for driving, and adjusts described close to switch and the detection
At a distance from the body second direction vertical in a first direction and with the first direction；The first direction is the sense close to switch
Answer the direction of the corresponding detection body in face；
The station acquisition unit is electrically connected with close to switch, for setting close switch in this second direction zero
Point position, and for recording displacement data when close switch moves in a second direction apart from the dead-center position in real time.
Preferably, above-mentioned close to inductive switching range test system, dead-center position is located adjacent to switch in second direction
On induction range except.
Preferably, above-mentioned close to inductive switching range test system, position regulating unit is flat including fixed device, movement
Platform, distance fine regulation device and motor；
The fixed device is used to fix to be measured on a mobile platform close to switch, and the mobile platform is in motor
Lower drive close to switch of control is moved in a second direction；The distance fine regulation device is for adjusting mobile platform in a first direction
Above at a distance from detection body.
Preferably, above-mentioned close to inductive switching range test system, motor is electrically connected with close to switch, which is used for
Movement is automatically stopped according to the electrical command control mobile platform exported close to switch when its inductive signal generates level jump.
Preferably, above-mentioned close to inductive switching range test system, it is close that station acquisition unit is also used to real-time display
The displacement data in moving process is switched, according to the electrical finger exported close to switch when its inductive signal generates level jump
Enable record close to the current displacement data of switch.
Preferably, above-mentioned close to inductive switching range test system, it further include oscillograph；The oscillograph and close switch
Electrical connection is converted to waveform signal and shows for that will approach the inductive signal that generates in moving process of switch.
Other side according to the invention additionally provides a kind of close to inductive switching range test method including following
Step:
S1: the close switch to be measured distance of reaction between detection body in a first direction is adjusted；The first direction
The direction of the corresponding detection body of sensitive surface to approach switch；The distance of reaction be less than the maximum induction to be measured close to switch away from
From；
S2: making to approach switch and move up in the second party vertical with the first direction, and sets this and exist close to switch
Dead-center position in the second direction；
S3: will be placed in except induction range close to switch, and control is positive mobile in a second direction close to switch, and recording should
The first displacement data X when close to inductive switching to detection body apart from the dead-center positiona1；Continue positive movement, records this and connect
Second displacement data X when nearly inductive switching is less than detection body apart from dead-center positionb1；
S4: control moves backward in a second direction close to switch, distance when recording this close to inductive switching to detection body
The third displacement data X of dead-center positionb2；Continue to move backward, record this close to inductive switching less than detection body when apart from zero point
4th displacement data X of positiona2；
S5: according to the first displacement data Xa1, second displacement data Xb1, third displacement data Xb2With the 4th displacement number
According to Xa2Calculate the induction range close to switch in distance of reaction d.
Preferably, above-mentioned close to inductive switching range test method, when the dead-center position is located adjacent to switch second
When except the induction range on direction, the calculation formula of the induction range are as follows:
Preferably, above-mentioned close to inductive switching range test method, when the dead-center position is located adjacent to switch second
When within the induction range on direction, the calculation formula of the induction range are as follows:
In general, through the invention it is contemplated above technical scheme is compared with the prior art, can obtain down and show
Beneficial effect:
It is provided by the invention close to inductive switching range test system and method, to be measured connect is adjusted by position regulating unit
Nearly switch with detect body in a first direction and in the second direction vertical with the first direction at a distance from；Pass through station acquisition list
Dead-center position of the member setting close to switch in a second direction, and close to switch, way moving moves record in a second direction respectively
Displacement data when can incude when dynamic and detection body cannot be incuded apart from dead-center position；It can be calculated according to the position data
Obtain the transvercal induction range approached Kai Guan under current distance of reaction；It is switched and is detected by position regulating unit adjusting proximity
The distance of reaction of body in a first direction can be surveyed to close to transvercal induction range of the switch under different distance of reaction
Examination；System structure is simple, easy to operate, versatile.
Detailed description of the invention
Fig. 1 is the structural schematic diagram provided in an embodiment of the present invention close to inductive switching range test system；Wherein, 1- is examined
Survey sheet metal；2- apparatus for adjusting position；The close switch of 3-；4- data display panels；5- power supply；6- oscillograph；
Fig. 2 is the flow chart provided in an embodiment of the present invention close to inductive switching range test method；
Fig. 3 is provided in an embodiment of the present invention close to inductive switching range test method testing process schematic.
Specific embodiment
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 the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.As long as in addition, technical characteristic involved in the various embodiments of the present invention described below
Not constituting a conflict with each other can be combined with each other.
Fig. 1 is the structural schematic diagram provided in an embodiment of the present invention close to inductive switching range test system；Such as Fig. 1 institute
Show, which includes detection sheet metal 1, apparatus for adjusting position 2, data display panels 4 and 24V power supply 5；
24V power supply 5 is used to power to be to be detected close to switch 3, is fixed on apparatus for adjusting position 2 close to switch 3, should
Apparatus for adjusting position 2 drive it is to be measured mobile close to switch 3, adjusting proximity switch 3 and detect sheet metal 1 in the Y direction and with
Distance in the vertical X-direction of the Y-direction；Wherein, Y-direction is close to the side of the corresponding detection sheet metal 1 of sensitive surface of switch 3
To；When detect sheet metal 1 and close to switch 3 in the Y direction at a distance from reach certain value when, approach switch 3 can just act, this
Distance is the maximum distance of reaction close to switch 3；
Data display panels 4 are electrically connected with close to switch 3, for close position of the switch 3 in moving process of real-time display
Move data, the displacement data including Y-direction and X-direction；And for setting close to the dead-center position of switch 3 in the X direction, in real time
Close switch 3 is recorded when X is moved up apart from the displacement data of the dead-center position.Wherein, dead-center position can be set in close
Except the induction range of switch 3 in the X direction, i.e., detection sheet metal can not be sensed close to switch 3 at dead-center position；Equally
Also it may be set in close within the induction range of switch 3 in the X direction, for the ease of recording close to switch 3 in moving process
In displacement data, dead-center position is preferably set in close to except the induction range of switch 3 in the X direction by the present embodiment.
Further, apparatus for adjusting position 2 includes fixed device, mobile platform, distance fine regulation device and motor；
Fixed device is used to fix to be measured on a mobile platform close to switch, and the mobile platform is under the control of motor
It drives close to switch and moves in the X direction；Distance fine regulation device be used to adjust mobile platform in the Y direction with detection sheet metal
Distance, to test close to transverse direction (X-direction) induction range of switch in different distance of reaction.
Wherein, motor is electrically connected with close to switch, which is used to generate level in its inductive signal according to close to switch
The electrical command control mobile platform exported when jump is automatically stopped movement.When close switch senses detection in moving process
Sheet metal, or the moment for detecting sheet metal can not be sensed beyond induction range, the level of inductive signal can mutate,
At this time close to switch output electrical command, motor then controls mobile platform according to the electrical command and is automatically stopped movement；Meanwhile number
The current displacement data close to switch is recorded according to the electrical command according to display panel 4.
One as the present embodiment is preferred, this further includes connecting with close to switch close to inductive switching range test system
Oscillograph 6；The oscillograph 6 is used to the inductive signal generated in moving process close to switch being converted to waveform signal and go forward side by side
Row display can intuitively know the signal intensity close to switch in moving process convenient for tester.
The present embodiment additionally provide it is a kind of close to inductive switching range test method, for detecting close to switch in the not same feeling
It should transvercal induction range under；Fig. 2 is the process provided in an embodiment of the present invention close to inductive switching range test method
Figure；Fig. 3 is provided in an embodiment of the present invention close to inductive switching range test method testing process schematic；Such as Fig. 2,3 institutes
Show, the test method the following steps are included:
S1: the close switch to be measured distance of reaction d between detection sheet metal in the Y direction is adjusted；The Y-direction is to connect
The direction of the corresponding detection sheet metal of the sensitive surface closely switched；
S2: making to approach to switch and move in the X-direction vertical with Y-direction, and sets zero of the close switch in the X direction
Point position；Dead-center position is preferably set in close to except the induction range switched in the X direction by the present embodiment；
S3: will be placed in except induction range close to switch, and control is positive mobile in the X direction close to switch, record this and connect
Nearly inductive switching is to the first displacement data X when detecting sheet metal apart from dead-center positiona1；Continue positive movement, it is close to record this
Second displacement data X when inductive switching is less than detection sheet metal apart from dead-center positionb1；
S4: control moves backward in the X direction close to switch, distance when recording this close to inductive switching to detection sheet metal
The third displacement data X of dead-center positionb2；Continue to move backward, records this close to inductive switching less than distance when detecting sheet metal
4th displacement data X of dead-center positiona2；
S5: according to the first displacement data Xa1, second displacement data Xb1, third displacement data Xb2With the 4th displacement data Xa2
Calculate the induction range close to switch in distance of reaction d, calculation formula are as follows:
Certainly, the dead-center position in step S2 also can be set in the close induction range switched in the X direction, this
When, close to the calculation formula of induction range of the switch in distance of reaction d are as follows:
Make below with reference to provided in this embodiment close to process of the inductive switching range test system to above-mentioned test method
It is further described, testing procedure is as follows:
(1) it is installed to be measured on a mobile platform close to switch by fixed device, adjusts mobile platform position in X direction
It sets, makes the flank of tooth for approaching switch surface face detection sheet metal.
(2) mobile platform position is adjusted along Y-direction, is bonded the sensitive surface close to switch with the flank of tooth of detection sheet metal；
The Y0 key on data display panels is pressed, by Y-direction zeros data；
(3) sense that mobile platform is mobile, between adjustment mobile platform and detection sheet metal is controlled by distance fine regulation device
It should distance d；Distance of reaction d is necessarily less than the maximum distance of reaction close to switch；
(4) motor control bar is pulled, moves backward mobile platform in X direction, observation oscilloscope waveform, when close switch
Signal output waveform when jumping to high level by low level, mobile platform is automatically stopped movement；Not close to inductive switching at this time
To detection sheet metal, close to switch, indicator light off；Continue counter motion in X direction, by data display surface at certain position
X-direction zeros data on plate sets the position as the dead-center position in X-direction；
(5) motor control bar is pulled, mobile platform forward motion in X direction, observation oscilloscope waveform, when close switch are made
Output signal when jumping to low level by high level, mobile platform is automatically stopped, and senses detection just close to switch at this time
Sheet metal, the indicator light close to switch is bright, and data display panels record is at this time close to the position data X switched in the X directiona1；
Then motor control bar is pulled, continues mobile platform along forward motion, when the signal output waveform close to switch is by low level
When jumping to high level, mobile platform is automatically stopped movement；At this time close to inductive switching less than detection sheet metal, close to switch
Indicator light off, and record is at this time close to the position data X switched in the X directionb1；
(6) motor control bar is pulled, mobile platform is made to continue forward motion in X direction, removes investigative range certain distance
Afterwards, motor control bar is reversely pulled, making mobile platform, opposite direction moves in X direction, observation oscilloscope waveform, when close switch
When output signal jumps to low level by high level, mobile platform is automatically stopped, and senses detection gold just close to switch at this time
Belong to piece, close indicator light is bright, records the position data X at this time close to switchb2；Then motor control bar is pulled, is made mobile flat
Platform continues counter motion, and when the signal output waveform close to switch jumps to high level by low level, mobile platform stops automatically
It only moves, at this time close to inductive switching less than sheet metal is detected, the indicator light lamp close to switch goes out, and records close switch at this time
Position data Xa2；
(7) induction range close to switch when distance of reaction is d is calculated according to above-mentioned position data are as follows:
(8) changing distance of reaction is d, repeats step (3)~(7), be can be obtained close to switch in different distance of reaction
Transvercal induction range.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, not to
The limitation present invention, any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should all include
Within protection scope of the present invention.
Claims (9)
1. a kind of close to inductive switching range test system, which is characterized in that adopted including detection body, position regulating unit and position
Collect unit；
The position regulating unit is to be measured close to switch movement for driving, and adjusting is described to exist close to switch with the detection body
At a distance from first direction and the second direction vertical with the first direction；The first direction is the sensitive surface close to switch
The direction of corresponding detection body；
The station acquisition unit and close switch connection, for setting the zero point position close to switch in this second direction
Displacement data when setting, and being moved in a second direction for recording in real time close to switch apart from the dead-center position.
2. as described in claim 1 close to inductive switching range test system, which is characterized in that the dead-center position, which is located at, to be connect
Except the induction range of nearly switch in a second direction.
3. as claimed in claim 1 or 2 close to inductive switching range test system, which is characterized in that the position adjusts single
Member includes fixed device, mobile platform, distance fine regulation device and motor；
The fixed device is used for fixed on a mobile platform, control of the mobile platform in motor close to switch by be measured
Lower drive close to switch is moved in a second direction；The distance fine regulation device for adjust mobile platform in a first direction with
Detect the distance of body.
4. as claimed in claim 3 close to inductive switching range test system, which is characterized in that the motor and close switch
Electrical connection, the motor are used for according to the electrical command control movement exported close to switch when its inductive signal generates level jump
Platform is automatically stopped movement.
5. as described in claim 1 or 4 close to inductive switching range test system, which is characterized in that the station acquisition list
Member is also used to displacement data of the real-time display close to switch in moving process, and generates according to close to switch in its inductive signal
Current displacement data of the electrical command record exported when level jump close to switch.
6. as claimed in claim 5 close to inductive switching range test system, which is characterized in that further include oscillograph；It is described
Oscillograph is electrically connected with close to switch, is converted to waveform signal for will approach the inductive signal that switch generates in moving process
And it shows.
7. a kind of close to inductive switching range test method, which comprises the following steps:
S1: the close switch to be measured distance of reaction between detection body in a first direction is adjusted；The first direction is to connect
The direction of the corresponding detection body of the sensitive surface closely switched；
S2: making to approach switch and move up in the second party vertical with the first direction, and sets this close to switch described
Dead-center position in second direction；
S3: will be placed in except induction range close to switch, and control is positive mobile in a second direction close to switch, record this and approach
The first displacement data X apart from dead-center position when inductive switching is to detection bodya1；Continue positive mobile, records this close to opening
Second displacement data X when closing induction less than detection body apart from dead-center positionb1；
S4: control moves backward in a second direction close to switch, apart from zero point when recording this close to inductive switching to detection body
The third displacement data X of positionb2；Continue to move backward, record this close to inductive switching less than detection body when apart from dead-center position
The 4th displacement data Xa2；
S5: according to the first displacement data Xa1, second displacement data Xb1, third displacement data Xb2With the 4th displacement data Xa2
Calculate the induction range close to switch in the distance of reaction.
8. as claimed in claim 7 close to inductive switching range test method, which is characterized in that when the dead-center position is located at
When close to except the induction range of switch in a second direction, the calculation formula of the induction range are as follows:
9. as claimed in claim 7 close to inductive switching range test method, which is characterized in that when the dead-center position is located adjacent to
When within the induction range of switch in a second direction, the calculation formula of the induction range are as follows:
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| CN201910316255.1A CN110109008B (en) | 2019-04-19 | 2019-04-19 | Proximity switch induction range testing device and method |
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| CN113267720A (en) * | 2021-05-10 | 2021-08-17 | 恒银金融科技股份有限公司 | Door magnetic switch service life testing system and method for financial equipment |
| CN113917325A (en) * | 2021-12-16 | 2022-01-11 | 山东天大清源信息科技有限公司 | Proximity switch detection device and detection method thereof |
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| CN110932621B (en) * | 2019-12-05 | 2021-08-27 | 杰克缝纫机股份有限公司 | Zero point detection method and device for stepping motor |
| CN110967058A (en) * | 2019-12-26 | 2020-04-07 | 张刘波 | Portable proximity switch sensor test equipment |
| CN113267720A (en) * | 2021-05-10 | 2021-08-17 | 恒银金融科技股份有限公司 | Door magnetic switch service life testing system and method for financial equipment |
| CN114034333A (en) * | 2021-11-23 | 2022-02-11 | 中国航空工业集团公司洛阳电光设备研究所 | Fault detection method for proximity sensor of two-position control mechanism |
| CN114034333B (en) * | 2021-11-23 | 2024-04-02 | 中国航空工业集团公司洛阳电光设备研究所 | Fault detection method for proximity sensor of two-position control mechanism |
| CN113917325A (en) * | 2021-12-16 | 2022-01-11 | 山东天大清源信息科技有限公司 | Proximity switch detection device and detection method thereof |
| CN113917325B (en) * | 2021-12-16 | 2022-05-06 | 山东天大清源信息科技有限公司 | Proximity switch detection device and detection method thereof |
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