CN108534670A - The detecting system and its installation method of car absolute position with special protection section - Google Patents
The detecting system and its installation method of car absolute position with special protection section Download PDFInfo
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- CN108534670A CN108534670A CN201810193799.9A CN201810193799A CN108534670A CN 108534670 A CN108534670 A CN 108534670A CN 201810193799 A CN201810193799 A CN 201810193799A CN 108534670 A CN108534670 A CN 108534670A
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- sensor
- coding region
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- car
- grid ruler
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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
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
- B66B1/3492—Position or motion detectors or driving means for the detector
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Indicating And Signalling Devices For Elevators (AREA)
Abstract
The invention discloses a kind of detecting systems and its installation method of the car absolute position with special protection section, including：It is vertically arranged in the grid ruler in hoistway, grid ruler is equipped with row first kind mark and second class of row mark, first kind mark includes being set to the through-hole unit and first instance unit and the second instance unit for being set to terminal coding region and lower terminal coding region of limes superiors coding region and limit inferior coding region, and the second class mark includes being set to the pattern unit of limes superiors coding region and limit inferior coding region and being set to the third solid element of terminal coding region and lower terminal coding region；Detection device is equipped with vertically arranged first sensor and second sensor；And the controller with detection device communication connection.The detecting system and its installation method of the car absolute position with special protection section can identify the extreme position and terminal location of car, and can adjust the coding information of grid ruler at the scene.
Description
Technical field
The present invention relates to elevator technology fields, more particularly to a kind of detection of the car absolute position with special protection section
System and its installation method.
Background technology
It is needed in lift running safety, limit switch, end is respectively set by being required at hoistway both ends in most of elevator
End switch and its signal-transmitting cable, in the device that re-packs that cage side needs that the switch is arranged, for ensureing that lift car will not
More than operation allow stroke range, wherein terminal switch than limit switch closer to hoistway both ends.When limit switch acts
Afterwards, it can prevent elevator from continuing to run to direction of both ends, but elevator is allowed to be run to direction among hoistway, and terminal switch acts
Afterwards, elevator is forbidden to continue to run with.The shortcomings that this technology is that component is relatively more, and installation maintenance is inconvenient.
Other part elevator is arranged one by the way that a magnetic railings ruler or grating scale is arranged from the top in the end in hoistway, in cage side
A grid ruler code-reading apparatus, the absolute position for detecting car, and ensure elevator by the way that extreme position and terminal location is arranged
Car does not exceed the stroke range that operation allows.This technology, since whole grid ruler is continuous programming code from the top in the end, due to every
The size of one elevator shaft is all different, will not generally be ordered for each hoistway when large batch of grid ruler is manufactured
The production of length processed, therefore the coding of high-low limit position cannot be determined in advance, it also cannot physically distinguish limit position
It sets and terminal location, the limit and terminal location can only be recorded by way of the study of live hoistway physical location.Thus cause
If determining that high-low limit is position encoded in advance, great inconvenience can be brought in the manufacturing link of grid ruler；Such as
Fruit does not determine that high-low limit is position encoded, then must carry out work-place study in advance, otherwise system nothing before hoistway position study
Method realizes the security function of limitation travel of elevator (lift) range.
Invention content
Based on this, it is necessary to provide detecting system and its installation side of a kind of car absolute position with special protection section
Method, can identify the extreme position and terminal location of car, ensure the safety of car operation, while can need not be according to client
The size of hoistway carrys out the practical factory length size of strictly control gate ruler, is conducive to production and at the scene of the grid ruler in manufactory
Mounting and adjusting.
Its technical solution is as follows：
On the one hand, the present invention provides a kind of detecting system of the car absolute position with special protection section, including：Vertically
The grid ruler being arranged in hoistway, the grid ruler be equipped with along the grid ruler length direction be arranged in juxtaposition a row first kind mark and
One the second class of row identifies, and the first kind mark cooperatively forms car absolute location information, the grid with second class mark
Ruler include limes superiors coding region, limit inferior coding region, the docking limes superiors coding region upper terminal coding region, with
And the lower terminal coding region of the docking limit inferior coding region, the first kind mark includes being set to the limes superiors
It the multiple through-hole units and multiple first instance units of coding region and the limit inferior coding region and is set on described
The second instance unit of terminal coding region and the lower terminal coding region, all through-hole units and all described first
Solid element is alternately arranged successively along the length direction of the grid ruler, and the second class mark includes being set to the limes superiors to compile
Code region and the limit inferior coding region pattern unit and be set to the upper terminal coding region and the lower terminal
The third solid element of coding region；Detection device, the detection device be fixed on car and equipped with it is vertically arranged extremely
Few three first sensors and at least one second sensor, the first kind identifies the first sensor for identification,
Second class identifies the second sensor for identification；And the controller with detection device communication connection, the control
The exhausted of the car is calculated in detection information that device processed can be fed back according to the first sensor and the second sensor
To location information.
When elevator is run, car drives detecting system to make the vertical movement in hoistway along grid ruler, and first sensor acquires grid
The information that the first kind identifies on ruler, second sensor acquire the information of the second class mark on grid ruler, and first sensor and second pass
The information of acquisition is sent to controller by sensor, and controller is analyzed the information received, calculated and stored, and analyzes
The corresponding binary coding of grid ruler that detection device is passed through, to tell the absolute position that detection device is located in grid ruler, from
And accurately obtain the absolute position that car is located in hoistway, without repeatedly correction, simplify the detection technique of elevator car position；It is special
Not, controller identifies through-hole unit and first instance unit and second sensor come identification icon unit by first sensor
Judge that the car is in extreme position, is convenient for the control of respective extreme positions；Controller is identified by first sensor
Through-hole unit and second instance unit and second sensor judge that the car is in terminal location to identify third unit, are convenient for
Controller controls associated components and carries out forced brake, and elevator is forbidden to continue to run with；The extreme position of the identification car and terminal position
The mode set is easily installed maintenance using the inspection system of car absolute position.Above-mentioned grid ruler structure is utilized simultaneously, makes grid ruler
Limes superiors position region and the terminal position region of upper end need to be manufactured by above-mentioned special shape mark pattern；And under grid ruler
The terminal position region of pole stop zone and lower end can not be manufactured by the form that above-mentioned special shape marks, and be continued with normal
Position encoded section of coding mode is manufactured, after up to manufacture to engineering site grid ruler, installation is complete, then at the scene according to reality
The corresponding position of border hoistway and car, by installation personnel using lighttight material come block grid ruler limit inferior position region and under
The terminal position region at end；And then it can need not be grown come the practical manufacture of strictly control gate ruler according to the size of client's hoistway
Size is spent, production and mounting and adjusting at the scene of the grid ruler in manufactory are conducive to.
Technical solution is illustrated further below：
At least three first sensors are vertically spaced setting, and all institutes in one of the embodiments,
When stating first sensor and being identified, the through-hole unit or the first instance unit all will not be recognized simultaneously.
The pattern unit includes the all-pass hole list for being set to the limes superiors coding region in one of the embodiments,
Member and the whole substance unit for being set to the limit inferior coding region；Or the pattern unit includes being set to the limes superiors to compile
The whole substance unit in code region and the all-pass hole unit for being set to the limit inferior coding region.
The first sensor and the second sensor are photoelectric sensor in one of the embodiments,；
When the first sensor detects the through-hole unit, the first identification signal is sent；When first sensing
When device detects the first instance unit and the second instance unit, the second identification signal is sent
When the second sensor detects the pattern unit, transmission third identification signal；When the second sensor
It detects the third solid element, sends the 4th identification signal.
It is continuous in preset time range when the controller in one of the embodiments, to receive to receive described the
Two sensors send the third identification signal and alternately receive first identification signal that the first sensor is sent
And second identification signal, then judge that the car is in upper limit position or lower limit position.
It is continuous in preset time range when the controller in one of the embodiments, to receive to receive described the
Two sensors send the 4th identification signal and continuously receive the second identification letter that the first sensor is sent
Number, then judge that the car is in upper terminal position or lower terminal position.
The first sensor is three, respectively A1, A2, A3, the second sensor in one of the embodiments,
For B1；The beam phase difference of the detection device is：A1 and poor 90 ° of A2, A2 and poor 135 ° of A3, A1 and poor 135 ° of B1, wherein the
Hmm=180 ° of the via height of the through-hole unit of one kind mark, h ＞ 0.
First kind mark further includes be set to the normal encoding region multiple the in one of the embodiments,
One recognition unit and multiple second recognition units, all first recognition units and all second recognition units are described in
The length direction of grid ruler is alternately arranged to form binary-coded information successively, and the second class mark is described normal including being set to
The multiple third recognition units and multiple 4th recognition units of surface region, all third recognition units and all described
Four recognition units are alternately arranged along the length direction of the grid ruler, are formed based on the binary-coded information in conjunction with graceful thorough successively
The hybrid coding information of this special code coding rule, the hybrid coding information do not repeat in the grid ruler.
In one of the embodiments, each described first recognition unit correspond to a third recognition unit and
One the 4th recognition unit, each described second recognition unit correspond to a third recognition unit and an institute
State the 4th recognition unit；It is that the 4th recognition unit corresponds to " A " in binary data from third recognition unit overturning,
" B " in binary data is corresponded to from the 4th recognition unit overturning for the third recognition unit, and by predefining digit
Binary " A " or " B " information form unduplicated binary data coding.
It is set in one of the embodiments, in the t times, the first kind mark that the first sensor detects
Number is n, then relative displacement s=c × n of the car, the speed v=s/t of the car, the absolute position L of the car
=| M × (c × b)-m × (c × b) |, wherein c is the total length of first recognition unit and the second recognition unit vertically, b
For the corresponding binary coding digit of the binary-coded information add 1, M be the first sensor currently read described two
The corresponding decimal coded of scale coding information, m are that the first sensor reading car is located at the hoistway lowest order
The corresponding decimal coded of the binary-coded information read when setting.
On the other hand, the present invention also provides a kind of installation methods of detecting system, based on above-mentioned detecting system, including such as
Lower step：
(1), according to preset production requirement, manufacture comprising upper mounting portion, upper terminal coding region, limes superiors coding region,
The grid ruler ruler plate in normal encoding region, the grid ruler ruler plate be equipped be arranged in juxtaposition along its length a row first kind mark and
One the second class of row identifies；
(2), hoistway overhead is fixed in the upper end of the grid ruler ruler plate, by the installation position for adjusting the upper mounting portion
It sets, the upper terminal coding region is made to be located at hoistway presumptive area, at this point, the limes superiors coding region and the normal volume
Code region is also positioned, then hoistway lower end is fixed in the lower end of the grid ruler ruler plate；
(3), limit inferior coding is formed according to actual hoist actual position and by covering through-hole or opening up the form of through-hole
Region and lower terminal coding region complete the installation and adjustment of the grid ruler ruler plate, obtain grid ruler；
(4), detection device is fixed on car and at least three vertically arranged first sensors and at least one
A second sensor, the first kind mark, the second sensor are described for identification for identification for the first sensor
Second class identifies；
(5), controller and the detection device are communicated to connect, is allowed the controller to according to the first sensor
And second sensor feedback detection information, the absolute location information of the car is calculated.
Above-mentioned installation method is in use, can first manufacture comprising upper mounting portion, upper terminal coding region, limes superiors code area
The grid ruler ruler plate in domain, normal encoding region, the grid ruler ruler plate are equipped with first category of row being arranged in juxtaposition along its length
Know and second class of row identifies；And the limit inferior position region of grid ruler and the terminal position region of lower end can not press above-mentioned special form
The form of shape label manufactures, and continues to be manufactured with the coding mode of normal position coding section or for full entity, until manufacture
To engineering site grid ruler after installation is complete, then used at the scene by installation personnel according to actual hoist and the corresponding position of car
Lighttight material blocks the terminal position region that the through-hole of grid ruler forms limit inferior position region and lower end, or by entity
The terminal position region that borehole forms limit inferior position region and lower end is carried out in unit；And then it can need not be according to the ruler of client's hoistway
It is very little come strictly control gate ruler practical factory length size, be conducive to production and installation tune at the scene of the grid ruler in manufactory
It is whole.
Description of the drawings
Fig. 1 is that the structure of the detecting system of the car absolute position with special protection section in one embodiment of the invention is shown
It is intended to；
Fig. 2 is the enlarged diagram of grid ruler structure in Fig. 1；
Fig. 3 is the arrangement schematic diagram of detection device in Fig. 1；
Fig. 4 is that the work of the detecting system of the car absolute position with special protection section in one embodiment of the invention is former
Reason figure.
Reference sign：
10, car, 20, hoistway, 30, grid ruler, 31, normal encoding region, 32, limes superiors coding region, 33, limit inferior compiles
Code region, 34, upper terminal coding region, 35, lower terminal coding region, 36, mounting portion, 310, first kind mark, 311, first
Recognition unit, the 312, second recognition unit, 313, through-hole unit, 314, first instance unit, 315, second instance unit, 320,
Second class identifies, and 321, third recognition unit, the 322, the 4th recognition unit, 323, all-pass hole unit, 324, whole substance unit,
325, third solid element, 40, detection device, 42, light beam, 410, first sensor, 420, second sensor, 50, controller.
Specific implementation mode
To make the objectives, technical solutions, and advantages of the present invention more comprehensible, below in conjunction with attached drawing and specific embodiment party
Formula, the present invention is further described in detail.It should be understood that the specific embodiments described herein are only solving
The present invention is released, protection scope of the present invention is not limited.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement for illustrative purposes only, are not offered as being unique embodiment.
Unless otherwise defined, all of technologies and scientific terms used here by the article and belong to the technical field of the present invention
The normally understood meaning of technical staff is identical.Used term is intended merely to description tool in the description of the invention herein
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more
Any and all combinations of relevant Listed Items.
Heretofore described " first ", " second " do not represent specific quantity and sequence, are only used for the differentiation of title.
" first ", " second " do not represent specific quantity and sequence in the present invention, are only used for the differentiation of title.
As shown in Figure 1 to Figure 3, in the present embodiment the car absolute position with special protection section detecting system, including：Edge
It is vertically arranged in the grid ruler 30 in hoistway, grid ruler 30 is equipped with the row first kind mark being arranged in juxtaposition along the length direction of grid ruler 30
310 and the second class of row mark 320, first kind mark 310 is identified with the second class 320 cooperatively forms car absolute location information,
Grid ruler 30 includes the upper terminal coding of limes superiors coding region 32, limit inferior coding region 33, docking limes superiors coding region 32
The lower terminal coding region 35 of region 34 and docking limit inferior coding region 33, first kind mark 310 includes being set to
The multiple through-hole units 313 and multiple first instance units 314, Yi Jishe of limit coding region 32 and limit inferior coding region 33
It is placed in the second instance unit 315 of terminal coding region 34 and lower terminal coding region 35, all through-hole units 313 and all
First instance unit 314 is alternately arranged successively along the length direction of grid ruler 30, and the second class mark 320 includes being set to limes superiors volume
Code region and limit inferior coding region pattern unit and be set to terminal coding region 34 and lower terminal coding region 35
Third solid element 325；Detection device 40, detection device 40 are fixed on car and are equipped with vertically arranged at least three
A first sensor 410 and at least one second sensor 420, the first kind identifies 310 to first sensor 410 for identification,
The second class identifies 320 to second sensor 420 for identification；And the controller 50 communicated to connect with detection device 40, controller 50
The detection information that can be fed back according to first sensor 410 and second sensor 420, the absolute position that car is calculated are believed
Breath.
When elevator is run, car drives detecting system to make the vertical movement in hoistway along grid ruler 30, and first sensor 410 is adopted
Collecting the information of first kind mark 310 on grid ruler 30, second sensor 420 acquires the information of the second class mark 320 on grid ruler 30, the
The information of acquisition is sent to controller 50 by one sensor 410 and second sensor 420, controller 50 to the information that receives into
Row analysis is calculated and is stored, and analyzes the 30 corresponding binary coding of grid ruler of the process of detection device 40, to tell inspection
It surveys device 40 and is located at the absolute position in grid ruler 30, to accurately obtain the absolute position that car is located in hoistway, without multiple
Correction simplifies the detection technique of elevator car position；Particularly, controller 50 identifies through-hole unit by first sensor 410
313 and first instance unit 314 and second sensor 420 carry out identification icon unit to judge that the car is in extreme position, just
In the control for carrying out respective extreme positions；Controller 50 identifies through-hole unit 313 and second instance list by first sensor 410
Member 315 and second sensor 420 judge that the car be in terminal location to identify third unit, convenient for the control phase of controller 50
It closes component and carries out forced brake, elevator is forbidden to continue to run with；The extreme position of the identification car and the mode of terminal location utilize
The inspection system of car absolute position, is easily installed maintenance.Above-mentioned 30 structure of grid ruler is utilized simultaneously, makes the limes superiors position of grid ruler 30
The terminal position region of region and upper end need to be manufactured by above-mentioned special shape mark pattern；And the limit inferior position area of grid ruler 30
The terminal position region of domain and lower end can not be manufactured by the form that above-mentioned special shape marks, and continuation is encoded with normal position
The coding mode of section is manufactured, after up to manufacture to engineering site grid ruler 30, installation is complete, then at the scene according to actual hoist
And the corresponding position of car, the limit inferior position region and lower end of grid ruler 30 are blocked using lighttight material by installation personnel
Terminal position region；And then it can need not be according to the size of client's hoistway come the practical factory length of strictly control gate ruler 30
Size is conducive to production and mounting and adjusting at the scene of the grid ruler 30 in manufactory.
On the basis of the above embodiments, as shown in figure 3, at least three first sensors 410 are vertically spaced sets
It sets, and when all first sensors 410 are identified, all will not recognize through-hole unit 313 or first instance unit simultaneously
314.The signal for the first sensor 410 that the controller 50 receives in turn will not be identical, is calculated convenient for analysis and obtains the car
Absolute location information, so that first sensor 410 is more accurately identified through-hole unit 313 and first instance unit 314
Position, facilitate self-test.
On the basis of the above embodiments, pattern unit includes the all-pass hole unit 323 for being set to limes superiors coding region
And it is set to the whole substance unit 324 of limit inferior coding region；Or pattern unit includes be set to limes superiors coding region complete
Solid element 324 and the all-pass hole unit 323 for being set to limit inferior coding region.And then it can be according to the actual needs of field adjustable
It carries out masking and forms whole substance unit 324, facilitate site operation.Further, first sensor 410 and second sensor 420
It is photoelectric sensor；When first sensor 410 detects through-hole unit 313, the first identification signal is sent；When the first sensing
When device 410 detects first instance unit 314 and second instance unit 315, the second identification signal is sent；Work as second sensor
420 detect pattern unit, send third identification signal；When second sensor 420 detects third solid element 325, send
4th identification signal；And then identify car present position according to the different detection signals of acquisition, relevant pole limit is carried out in time
It sets or the control of terminal location operates, ensure the safe operation of lift car.Specifically, when controller 50 is in preset time model
Interior continuous receiving is enclosed to receive the transmission third identification signal of second sensor 420 and alternately receive the transmission of first sensor 410
The first identification signal and the second identification signal, then judge that the car is in upper limit position or lower limit position；Work as controller
50 continuously receive to receive the 4th identification signal of transmission of second sensor 420 and continuously receive in preset time range
The second identification signal that first sensor 410 is sent, then judge that the car is in upper terminal position or lower terminal position.And then profit
Judge this with the third identification signal of the first identification signal combination second sensor 420 transmission of the transmission of first sensor 410
The extreme position of car, the 4th sent using the second identification signal combination second sensor 420 that first sensor 410 is sent
Identification signal judges the terminal location of the car, compared with the existing detection technique, enormously simplifies detection part, reduces elevator
Cost, while also allowing for later stage installation maintenance.It can be distinguished simultaneously using all-pass hole unit 323 and whole substance unit 324
Extreme position or lower limit position, detection programming operation is simple, readily identified control.
Specifically, as shown in figure 3, first sensor 410 is three, respectively A1, A2, A3, second sensor 420 is
B1；42 phase difference of light beam of detection device 40 is：It is poor between A1 and B1 poor 135 ° between A2 and A3 poor 90 ° between A1 and A2
135 °, wherein wherein, via height h mm=180 °, the h ＞ 0 of the through-hole unit 313 of first kind mark 310.Such setting can
Ensure that A1, A2, A3 will not recognize the through-hole unit or solid element in normal encoding region simultaneously, and there are enough surpluses anti-
Only error detection.It distance definition is one refers to angle value it should be noted that above-mentioned, calculated between sensor using angle
Distance, convenient for conversion；Such as, h=4mm=180 °, then 90 °=2mm, 135 °=3mm.
Based on any of the above embodiments, first kind mark 310 further includes be set to normal encoding region 31 more
A first recognition unit 311 and multiple second recognition units 312, all first recognition units 311 and all second recognition units
312 are alternately arranged to form binary-coded information successively along the length direction of grid ruler 30, and the second class mark 320 includes being set to just
Multiple third recognition units 321 of normal surface region and multiple 4th recognition units 322, all third recognition units 321 and institute
There is the 4th recognition unit 322 to be alternately arranged successively along the length direction of grid ruler 30, formed based on binary-coded information in conjunction with graceful
The hybrid coding information of Che Site code coding rules, hybrid coding information do not repeat in grid ruler 30.And then utilize first
Recognition unit 311 and the second recognition unit 312 form binary coding repeat, equal proportion, are consequently belonging to asymmetric encoding；Profit
With third recognition unit 321 and the hybrid coding of the 4th recognition unit 322, and Manchester code is using the overturning rule of " 0 " " 1 "
Binary " 0 " or " 1 " are indicated respectively, so Manchester code itself is also a kind of asymmetric encoding；That is, grid ruler 30 is whole by two
Row asymmetric encoding forms, so grid ruler 30 is whole to have the preferable symmetrical performance of machinery；In addition, by being compiled using Manchester code
The hybrid coding that code rule process is crossed may be implemented not repeat in same grid ruler 30.Therefore, grid ruler 30 realizes not simultaneously
The record of absolute position encoder and the symmetry of the whole mechanical property of grid ruler 30 are repeated, car absolute position detection is improved
Accuracy of detection is high.Further, each first recognition unit 311 corresponds to a third recognition unit 321 and one the 4th
Recognition unit 322, each second recognition unit 312 correspond to a third recognition unit 321 and the 4th recognition unit
322；It is " A " in the 4th recognition unit 322 correspondence binary data from the overturning of third recognition unit 321, it is single from the 4th identification
Member 322 overturning be third recognition unit 321 correspond to binary data in " B ", and by predefine digit binary " A " or
" B " information forms unduplicated binary data coding.It can such as set from the state pair that trepanning " 0 " overturning is non-trepanning " 1 "
Binary data " 1 " is answered, binary data " 0 ", this binary data are corresponded to from the state that non-trepanning " 1 " overturning is trepanning " 0 "
It is exactly a kind of hybrid coding information of predetermined Manchester code and binary code, which makes original asymmetric two
Binary data realizes symmetrically, and then the two symmetrical coding informations of row can be arranged on grid ruler 30, by two coding informations come
Form car absolute location information.
Further, it is set in the t times, it is n that the first kind that first sensor 410 detects, which identifies 310 numbers, then sedan-chair
Relative displacement s=c × the n in compartment, the speed v=s/t of car, the absolute position L=of car | M × (c × b)-m × (c × b) |,
Wherein c is the total length of the first recognition unit 311 and the second recognition unit 312 vertically, and b is that binary-coded information is corresponding
Binary coding digit adds 1, M to be the corresponding decimal coded of binary-coded information that first sensor 410 is currently read, m
The corresponding decimal system of binary-coded information read when car is located at hoistway extreme lower position is read for first sensor 410 to compile
Code.
The present embodiment is also provided a kind of installation method of detecting system and is included the following steps based on above-mentioned detecting system：
(1), according to preset production requirement, manufacture comprising upper mounting portion, upper terminal coding region, limes superiors coding region,
The grid ruler ruler plate in normal encoding region, the grid ruler ruler plate be equipped be arranged in juxtaposition along its length a row first kind mark and
One the second class of row identifies；
(2), hoistway overhead is fixed in the upper end of grid ruler ruler plate, by adjusting the installation site of upper mounting portion, makes end
End coding region is located at hoistway presumptive area, at this point, limes superiors coding region and normal encoding region are also positioned, then by grid
Hoistway lower end is fixed in the lower end of ruler ruler plate；
(3), limit inferior coding is formed according to actual hoist actual position and by covering through-hole or opening up the form of through-hole
Region and lower terminal coding region complete the installation and adjustment of grid ruler ruler plate, obtain grid ruler；
(4), detection device is fixed on car and at least three vertically arranged first sensors and at least one
A second sensor, the first kind mark, the second sensor are described for identification for identification for the first sensor
Second class identifies；
(5), controller and the detection device are communicated to connect, is allowed the controller to according to the first sensor
And second sensor feedback detection information, the absolute location information of the car is calculated.
Above-mentioned installation method is in use, can first manufacture comprising upper mounting portion, upper terminal coding region, limes superiors code area
The grid ruler ruler plate in domain, normal encoding region, the grid ruler ruler plate are equipped with first category of row being arranged in juxtaposition along its length
Know and second class of row identifies；And the limit inferior position region of grid ruler and the terminal position region of lower end can not press above-mentioned special form
The form of shape label manufactures, and continues to be manufactured with the coding mode of normal position coding section or for full entity, until manufacture
To engineering site grid ruler after installation is complete, then used at the scene by installation personnel according to actual hoist and the corresponding position of car
Lighttight material blocks the terminal position region that the through-hole of grid ruler forms limit inferior position region and lower end, or by entity
The terminal position region that borehole forms limit inferior position region and lower end is carried out in unit；And then it can need not be according to the ruler of client's hoistway
It is very little come strictly control gate ruler practical factory length size, be conducive to production and installation tune at the scene of the grid ruler in manufactory
It is whole.
In this specific embodiment, the i.e. lower terminal coding region in lower end, the limit inferior coding region of the grid ruler ruler plate are all made of
The hole rule of opening in normal encoding region is manufactured, then complete grid ruler ruler plate upper end fix after, further according to actual hoist
Actual position carries out masking to extra through-hole using light-proof material and obtains limit inferior coding region and lower terminal code area
Domain.
Each technical characteristic of embodiment described above can be combined arbitrarily, to keep description succinct, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, it is all considered to be the range of this specification record.
Several embodiments of the invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Range.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (11)
1. a kind of detecting system of the car absolute position with special protection section, which is characterized in that including：
It is vertically arranged in the grid ruler in hoistway, the grid ruler is equipped with the length direction along the grid ruler is arranged in juxtaposition one and arranges the
One kind mark and second class of row mark, the first kind mark cooperatively form car absolute position letter with second class mark
Breath, the grid ruler include the upper terminal volume of limes superiors coding region, limit inferior coding region, the docking limes superiors coding region
The lower terminal coding region of code region and the docking limit inferior coding region, the first kind mark includes being set to
The multiple through-hole units and multiple first instance units, Yi Jishe of the limes superiors coding region and the limit inferior coding region
It is placed in the second instance unit of the upper terminal coding region and the lower terminal coding region, all through-hole units and institute
There is the first instance unit to be alternately arranged successively along the length direction of the grid ruler, the second class mark includes being set to institute
State the pattern unit of limes superiors coding region and the limit inferior coding region and be set to the upper terminal coding region and
The third solid element of the lower terminal coding region；
Detection device, the detection device be fixed on car and equipped at least three vertically arranged first sensors with
And at least one second sensor, the first kind mark, the second sensor are used for the first sensor for identification
Identify the second class mark；And
With the controller of detection device communication connection, the controller can be according to the first sensor and described second
The detection information of sensor feedback, the absolute location information that the car is calculated.
2. detecting system according to claim 1, which is characterized in that at least three first sensors are vertically
Interval setting, and when all first sensors are identified will not all recognize the through-hole unit or described the simultaneously
One solid element.
3. detecting system according to claim 1, which is characterized in that the pattern unit includes being set to the limes superiors
The all-pass hole unit of coding region and the whole substance unit for being set to the limit inferior coding region；Or the pattern unit includes
It is set to the whole substance unit of the limes superiors coding region and is set to the all-pass hole unit of the limit inferior coding region.
4. detecting system according to claim 3, which is characterized in that the first sensor and the second sensor are equal
For photoelectric sensor；
When the first sensor detects the through-hole unit, the first identification signal is sent；When the first sensor is examined
When measuring the first instance unit and the second instance unit, the second identification signal is sent
When the second sensor detects the pattern unit, transmission third identification signal；When the second sensor detects
To the third solid element, the 4th identification signal is sent.
5. detecting system according to claim 4, which is characterized in that when the controller is equal in preset time range
It is continuous to receive to receive the second sensor transmission third identification signal and alternately receive the first sensor to send
First identification signal and second identification signal, then judge that the car is in upper limit position or lower limit position.
6. detecting system according to claim 5, which is characterized in that when the controller is equal in preset time range
It is continuous to receive to receive the second sensor transmission the 4th identification signal and continuously receive the first sensor to send
Second identification signal, then judge that the car is in upper terminal position or lower terminal position.
7. detecting system according to claim 4, which is characterized in that the first sensor is three, respectively A1,
A2, A3, the second sensor are B1；The beam phase difference of the detection device is：Poor 90 ° between A1 and A2, A2 and A3 it
Between poor 135 °, poor 135 ° between A1 and B1, wherein the first kind mark through-hole unit via height h mm=180 °, h ＞ 0.
8. detecting system according to any one of claims 1 to 7, which is characterized in that the first kind mark further includes setting
It is placed in multiple first recognition units in the normal encoding region and multiple second recognition units, all first recognition units
Length direction with all second recognition units along the grid ruler is alternately arranged to form binary-coded information successively, described
Second class mark includes being set to multiple third recognition units in the normal surface region and multiple 4th recognition units, is owned
The third recognition unit and all 4th recognition units are alternately arranged along the length direction of the grid ruler, form base successively
In the hybrid coding information of the binary-coded information combination Manchester code coding rule, the hybrid coding information is in institute
It states and does not repeat in grid ruler.
9. detecting system according to claim 8, which is characterized in that each described first recognition unit is one corresponding
The third recognition unit and the 4th recognition unit, corresponding one of each described second recognition unit described the
Three recognition units and the 4th recognition unit；It is that the 4th recognition unit corresponds to from third recognition unit overturning
" A " in binary data is that the third recognition unit corresponds in binary data from the 4th recognition unit overturning
" B ", and binary " A " or " B " information by predefining digit form unduplicated binary data coding.
10. detecting system according to claim 8, which is characterized in that be set in the t times, the first sensor inspection
The first kind mark number measured is n, then relative displacement s=c × n of the car, the speed v=s/t of the car,
The absolute position L=of the car | M × (c × b)-m × (c × b) |, wherein c is first recognition unit and the second identification
The total length of unit vertically, b are that the corresponding binary coding digit of the binary-coded information adds 1, M to be first biography
The corresponding decimal coded of the binary-coded information that sensor is currently read, m are that the first sensor reads the sedan-chair
Compartment is located at the corresponding decimal coded of the binary-coded information read when the hoistway extreme lower position.
11. a kind of installation method of detecting system, which is characterized in that based on such as claim 1-8 any one of them detection systems
System, includes the following steps：
(1), according to presetting production requirement, manufacture includes upper mounting portion, upper terminal coding region, limes superiors coding region, normal
The grid ruler ruler plate of coding region, the grid ruler ruler plate are equipped with the row first kind mark being arranged in juxtaposition along its length and a row
Second class identifies；
(2), hoistway overhead is fixed in the upper end of grid ruler ruler plate, by adjusting the installation site of upper mounting portion, terminal is made to compile
Code region is located at hoistway presumptive area, at this point, limes superiors coding region and normal encoding region are also positioned, then by grid ruler ruler
Hoistway lower end is fixed in the lower end of plate；
(3), limit inferior coding region is formed according to actual hoist actual position and by covering through-hole or opening up the form of through-hole
And lower terminal coding region, the installation and adjustment of grid ruler ruler plate are completed, grid ruler is obtained；
(4), detection device is fixed on car and at least three vertically arranged first sensors and at least one
Two sensors, first sensor first kind mark for identification, the second sensor for identification described second
Class identifies；
(5), controller and the detection device are communicated to connect, is allowed the controller to according to the first sensor and institute
It states the detection information of second sensor feedback, the absolute location information of the car is calculated.
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| CN201810193799.9A CN108534670B (en) | 2018-03-09 | 2018-03-09 | Detection system for absolute position of car with special protection section and installation method thereof |
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| CN110683437A (en) * | 2019-10-08 | 2020-01-14 | 广州广日电梯工业有限公司 | Semi-automatic learning system and method for elevator shaft floor position information |
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