CN103159101A - Method, device and system of lift car speed measuring - Google Patents
Method, device and system of lift car speed measuring Download PDFInfo
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- CN103159101A CN103159101A CN2011104244389A CN201110424438A CN103159101A CN 103159101 A CN103159101 A CN 103159101A CN 2011104244389 A CN2011104244389 A CN 2011104244389A CN 201110424438 A CN201110424438 A CN 201110424438A CN 103159101 A CN103159101 A CN 103159101A
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- elevator car
- elevator
- measurement mechanism
- measuring distance
- car speed
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Abstract
The invention discloses a method, a device and a system of lift car speed measuring. The method, the device and the system of the lift car speed measuring emit ultrasonic waves to the top of a lift well through controlling an ultrasonic wave measuring device at the top of the lift car, obtain the measuring distance, and then calculate speed of the lift car according to a measured distance. The method, the device and the system of lift car speed measuring can be used after simple installing trial run and measure the lift car speed highly-accurate.
Description
Technical field
The present invention relates to field of measuring technique, be specifically related to a kind of elevator car speed method of measurement, device and system.
Background technology
In the operation of elevator is controlled, often need to use the speed of car, wherein, car refers to the carrying object that is used for that operates in elevator hoistways, such as the equipment of people or goods.In prior art, generally calculate the speed of elevator rope operation by the measurement of elevator motor rotating speed, and the speed of elevator rope operation is the speed of car.
In the research and practice process to prior art, the present inventor finds, although in case the method Installation and Debugging of this measurement elevator car speed of prior art are accurate, the accuracy rate of its result of a measurement can be very high, still, and due to the difference of elevator installation environment, and the difference of lift facility parameter, the difficulty of Installation and Debugging is also larger, and even under some application scenarios, this lift car method of measurement of prior art is infeasible.
Summary of the invention
The embodiment of the present invention provides a kind of elevator car speed method of measurement, device and system, does not need to carry out complicated Installation and Debugging, can measure exactly elevator car speed.
A kind of elevator car speed method of measurement is characterized in that, comprising:
Control the ultrasonic distance measurement mechanism of elevator car roof to elevator hoistways top-emission super sonic, obtain measuring distance;
Calculate elevator car speed according to described measuring distance.
A kind of elevator car speed measurement mechanism is characterized in that, comprising:
Control unit, the ultrasonic distance measurement mechanism that is used for controlling elevator car roof obtains measuring distance to elevator hoistways top-emission super sonic;
Calculating unit, the measuring distance that is used for obtaining according to control unit calculates elevator car speed.
A kind of elevator device comprises any elevator car speed measurement mechanism that the embodiment of the present invention provides.
The embodiment of the present invention adopts passes through to control the ultrasonic distance measurement mechanism of elevator car roof to elevator hoistways top-emission super sonic, obtain measuring distance, and then calculate elevator car speed according to measuring distance, this scheme only need be carried out simple Installation and Debugging and can be used, and measured out elevator car speed accuracy is high.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, during the below will describe embodiment, the accompanying drawing of required use is done to introduce simply, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those skilled in the art, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the diagram of circuit of the elevator car speed method of measurement that provides of the embodiment of the present invention;
Fig. 2 is the application scenarios figure for the elevator car speed measurement mechanism;
Fig. 3 is another diagram of circuit of the elevator car speed method of measurement that provides of the embodiment of the present invention;
Fig. 4 is the structural representation of the elevator car speed measurement mechanism that provides of the embodiment of the present invention.
The specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Based on the embodiment in the present invention, those skilled in the art belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
The embodiment of the present invention provides a kind of elevator car speed method of measurement, device and system.Below be elaborated respectively.
The present embodiment will be described from the angle of elevator car speed measurement mechanism, and this elevator car speed measurement mechanism specifically can be arranged in apparatus for controlling elevator.
A kind of elevator car speed method of measurement comprises: control the ultrasonic distance measurement mechanism of elevator car roof to elevator hoistways top-emission super sonic, obtain measuring distance, calculate elevator car speed according to the measuring distance that obtains.
Referring to Fig. 1, idiographic flow can be as follows:
101, the ultrasonic distance measurement mechanism of controlling elevator car roof obtains measuring distance to elevator hoistways top-emission super sonic; For example, specifically can be as follows:
To elevator hoistways top-emission super sonic, obtain the first measuring distance at the ultrasonic distance measurement mechanism of very first time spot control elevator car roof;
The ultrasonic distance measurement mechanism of controlling elevator car roof at the second time point obtains the second measuring distance to elevator hoistways top-emission super sonic;
Optionally, for the accuracy of further strengthening measuring, can also assistant reflection device be installed at the elevator hoistways top, so that the super sonic that the ultrasonic distance measurement mechanism of elevator car roof is launched is reflected back the ultrasonic distance measurement mechanism better.That is to say, the ultrasonic distance measurement mechanism of described control elevator car roof obtains measuring distance to elevator hoistways top-emission super sonic, is specifically as follows:
Control the ultrasonic distance measurement mechanism of car top to the assistant reflection device emission super sonic at elevator hoistways top, obtain measuring distance.Such as, specifically can be as follows:
At the ultrasonic distance measurement mechanism of the very first time spot control elevator car roof assistant reflection device emission super sonic to the elevator hoistways top, obtain the first measuring distance;
Control the ultrasonic distance measurement mechanism of elevator car roof at the second time point to the assistant reflection device emission super sonic at elevator hoistways top, obtain the second measuring distance;
102, the measuring distance that obtains according to step 101 calculates elevator car speed.
For example, if obtained the first measuring distance and the second measuring distance in step 101, this moment, the measuring distance calculating elevator car speed (being step 102) that obtains according to step 101 is specifically as follows:
Poor with the difference of the second measuring distance of obtaining and the first measuring distance divided by the second time point and very first time point obtains elevator car speed.
As from the foregoing, the present embodiment adopts and passes through to control the ultrasonic distance measurement mechanism of elevator car roof to elevator hoistways top-emission super sonic, obtain measuring distance, and then calculate elevator car speed according to measuring distance, this scheme only need be carried out simple Installation and Debugging and can be used, and measured out elevator car speed accuracy is high.
Method described according to above-described embodiment below will be described in further detail for example.
As shown in Figure 2, this figure is the application scenarios figure of elevator car speed measurement mechanism, this elevator device comprises elevator hoistways, lift car, elevator door 3 and elevator car speed measurement mechanism when specific embodiment, can be installed a ultrasonic distance proving installation 2 at the top of lift car, wherein, this ultrasonic distance proving installation 2 is used for testing the distance from the car top to the well headroom, and referring to Fig. 3, the idiographic flow of this elevator car speed method of measurement can be as follows:
201, the elevator car speed measurement mechanism is at t
1Sending controling instruction is given the ultrasonic distance measurement mechanism 2 of controlling elevator car roof constantly;
Wherein, this elevator car speed measurement mechanism can be independent of ultrasonic distance measurement mechanism 2, also can be arranged in ultrasonic distance measurement mechanism 2.
202, after ultrasonic distance measurement mechanism 2 receives the control command that the elevator car speed measurement mechanism sends, to elevator hoistways top-emission super sonic, and receive the super sonic that the elevator hoistways top reflects, obtain the first measuring distance d
1, then with the first measuring distance d
1Send to the elevator car speed measurement mechanism.
203, the elevator car speed measurement mechanism is at t
2Sending controling instruction is given the ultrasonic distance measurement mechanism 2 of controlling elevator car roof constantly.
204, after ultrasonic distance measurement mechanism 2 receives the control command that the elevator car speed measurement mechanism sends, to elevator hoistways top-emission super sonic, and receive the super sonic that the elevator hoistways top reflects, obtain the second measuring distance d
2, then with the second measuring distance d
2Send to the elevator car speed measurement mechanism.
205, the elevator car speed measurement mechanism second measuring distance d that will obtain
2With the first measuring distance d
1Difference divided by t
2With t
1Poor, obtain elevator car speed V, specific as follows:
V＝(d
2-d
1)/(t
2-t
1)。
Optionally, for the accuracy of further strengthening measuring, can also assistant reflection device 1 be installed at the elevator hoistways top, so that the super sonic that the ultrasonic distance measurement mechanism of elevator car roof is launched is reflected back ultrasonic distance measurement mechanism 2 better.
As from the foregoing, the present embodiment adopt by at the ultrasonic distance measurement mechanism 2 of two different time spot control elevator car roof to elevator hoistways top-emission super sonic, obtain respectively two measuring distances, and then look into to calculate elevator car speed according to the difference of two measuring distances and two time points, its resulting elevator car speed accuracy is high, and this scheme only need carry out simple Installation and Debugging and can use, and realizes simply, and cost is lower.
Accordingly, in order to implement better above method, the embodiment of the present invention also provides a kind of elevator car speed measurement mechanism, and referring to Fig. 4, this elevator car speed measurement mechanism comprises control unit 401 and calculating unit 402;
Calculating unit 402, the measuring distance that is used for obtaining according to control unit 401 calculates elevator car speed.
Wherein, control unit 401 concrete is used for ultrasonic distance measurement mechanism in very first time spot control elevator car roof to elevator hoistways top-emission super sonic, obtains the first measuring distance; The ultrasonic distance measurement mechanism of controlling elevator car roof at the second time point obtains the second measuring distance to elevator hoistways top-emission super sonic;
This moment, calculating unit 402, concrete be used for will described the second measuring distance and the first measuring distance difference divided by the second time point and the very first time put poor, obtain elevator car speed.
Such as, if use d
1Represent the first measuring distance, use d
2Represent the second measuring distance, use t
1Expression very first time point is used t
2Represent the second time point, elevator car speed V can be formulated as:
V＝(d
2-d
1)/(t
2-t
1)。
Optionally, for the accuracy of further strengthening measuring, can also assistant reflection device be installed at the elevator hoistways top, so that the super sonic that the ultrasonic distance measurement mechanism of elevator car roof is launched is reflected back the ultrasonic distance measurement mechanism better.That is:
Above unit specifically can be realized by entity independently, perhaps, also can carry out combination in any, realizes as same or several entities, and the concrete enforcement of above unit specifically can referring to front embodiment, not repeat them here.
Accordingly, the embodiment of the present invention also provides a kind of elevator device, comprises any elevator car speed measurement mechanism that the embodiment of the present invention provides.
This elevator device also comprises car, and wherein, the top of car is equipped with the ultrasonic distance measurement mechanism;
The ultrasonic distance measurement mechanism, be used for accepting the control of elevator car speed measurement mechanism, such as, when receiving the control command that is subjected to the transmission of elevator car speed measurement mechanism, to elevator hoistways top-emission super sonic, and receive the elevator hoistways top and return to the super sonic that comes.
This elevator device also comprises elevator hoistways, and the top of this elevator hoistways is equipped with assistant reflection device;
Assistant reflection device, the ultrasonic reflections that is used for the ultrasonic distance measurement mechanism is launched is to the ultrasonic distance measurement mechanism.
The enforcement of above each equipment specifically can referring to front embodiment, not repeat them here.
The elevator car speed measurement mechanism of the elevator device of the embodiment of the present invention can be controlled the ultrasonic distance measurement mechanism of elevator car roof to elevator hoistways top-emission super sonic, obtain measuring distance, and then calculate elevator car speed according to measuring distance, this scheme only need be carried out simple Installation and Debugging and can be used, realize simple, cost is lower, and measured out elevator car speed accuracy is high.
One of ordinary skill in the art will appreciate that all or part of step in the whole bag of tricks of above-described embodiment is to come the relevant hardware of instruction complete by program, this program can be stored in a computer-readable recording medium, storage medium can comprise: read-only memory (ROM) (ROM, Read Only Memory), random access memory (RAM, Random Access Memory), disk or CD etc.
Above a kind of elevator car speed method of measurement, device and the system that the embodiment of the present invention is provided is described in detail, used specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for those skilled in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (7)
1. an elevator car speed method of measurement, is characterized in that, comprising:
Control the ultrasonic distance measurement mechanism of elevator car roof to elevator hoistways top-emission super sonic, obtain measuring distance;
Calculate elevator car speed according to described measuring distance.
2. method according to claim 1, is characterized in that, the ultrasonic distance measurement mechanism of described control elevator car roof obtains measuring distance to elevator hoistways top-emission super sonic, comprising:
To elevator hoistways top-emission super sonic, obtain the first measuring distance at the ultrasonic distance measurement mechanism of very first time spot control elevator car roof;
The ultrasonic distance measurement mechanism of controlling elevator car roof at the second time point obtains the second measuring distance to elevator hoistways top-emission super sonic;
Describedly calculate car speed according to described measuring distance and be specially: difference that will described the second measuring distance and the first measuring distance divided by the second time point and the very first time put poor, obtain elevator car speed.
3. method according to claim 1 and 2, it is characterized in that, described elevator hoistways top is equipped with assistant reflection device, and the ultrasonic distance measurement mechanism of described control elevator car roof is to elevator hoistways top-emission super sonic, obtain measuring distance, be specially:
Control the ultrasonic distance measurement mechanism of car top to the assistant reflection device emission super sonic at elevator hoistways top, obtain measuring distance.
4. an elevator car speed measurement mechanism, is characterized in that, comprising:
Control unit, the ultrasonic distance measurement mechanism that is used for controlling elevator car roof obtains measuring distance to elevator hoistways top-emission super sonic;
Calculating unit, the measuring distance that is used for obtaining according to control unit calculates elevator car speed.
5. elevator car speed measurement mechanism according to claim 4, is characterized in that,
Described control unit concrete is used for ultrasonic distance measurement mechanism in very first time spot control elevator car roof to elevator hoistways top-emission super sonic, obtains the first measuring distance; The ultrasonic distance measurement mechanism of controlling elevator car roof at the second time point obtains the second measuring distance to elevator hoistways top-emission super sonic;
Described calculating unit, concrete be used for will described the second measuring distance and the first measuring distance difference divided by the second time point and the very first time put poor, obtain elevator car speed.
6. according to claim 4 or 5 described elevator car speed measurement mechanisms, is characterized in that,
Described control unit, the concrete ultrasonic distance measurement mechanism of control car top that is used for obtains measuring distance to the assistant reflection device emission super sonic at elevator hoistways top.
7. an elevator device, is characterized in that, comprises described any elevator car speed measurement mechanism of claim 4 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104244389A CN103159101A (en) | 2011-12-16 | 2011-12-16 | Method, device and system of lift car speed measuring |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104244389A CN103159101A (en) | 2011-12-16 | 2011-12-16 | Method, device and system of lift car speed measuring |
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| CN103159101A true CN103159101A (en) | 2013-06-19 |
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| CN2011104244389A Pending CN103159101A (en) | 2011-12-16 | 2011-12-16 | Method, device and system of lift car speed measuring |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108761118A (en) * | 2018-05-28 | 2018-11-06 | 深圳市特种设备安全检验研究院 | A kind of elevator speed measuring instrument, measuring system and measurement method |
| CN110054049A (en) * | 2019-04-26 | 2019-07-26 | 上海木木聚枞机器人科技有限公司 | A kind of detection method and system of elevator operation |
| CN111039118A (en) * | 2019-12-20 | 2020-04-21 | 上海有个机器人有限公司 | UWB-based elevator operation monitoring method, medium, terminal and device |
| CN112777444A (en) * | 2021-03-02 | 2021-05-11 | 猫岐智能科技（上海）有限公司 | Elevator positioning system and positioning method |
| CN112897272A (en) * | 2021-03-02 | 2021-06-04 | 猫岐智能科技（上海）有限公司 | Elevator state judgment system and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108761118A (en) * | 2018-05-28 | 2018-11-06 | 深圳市特种设备安全检验研究院 | A kind of elevator speed measuring instrument, measuring system and measurement method |
| CN110054049A (en) * | 2019-04-26 | 2019-07-26 | 上海木木聚枞机器人科技有限公司 | A kind of detection method and system of elevator operation |
| CN111039118A (en) * | 2019-12-20 | 2020-04-21 | 上海有个机器人有限公司 | UWB-based elevator operation monitoring method, medium, terminal and device |
| CN112777444A (en) * | 2021-03-02 | 2021-05-11 | 猫岐智能科技（上海）有限公司 | Elevator positioning system and positioning method |
| CN112897272A (en) * | 2021-03-02 | 2021-06-04 | 猫岐智能科技（上海）有限公司 | Elevator state judgment system and method |
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Application publication date: 20130619 |