CN205132856U - Elevator car positioning system that encodes - Google Patents
Elevator car positioning system that encodes Download PDFInfo
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- CN205132856U CN205132856U CN201520989389.7U CN201520989389U CN205132856U CN 205132856 U CN205132856 U CN 205132856U CN 201520989389 U CN201520989389 U CN 201520989389U CN 205132856 U CN205132856 U CN 205132856U
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- car
- elevator
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- coding
- control system
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Abstract
The utility model provides an elevator car positioning system that encodes, is applicable to in the pit high -speed, hypervelocity and the elevator of big stroke in super dark mine and the ground superelevation building. The system includes single elevator control system, car control system, code cable system and group control system. The signal of the special frequency that induction antenna case on the car produced the address coding generater passes through electromagnetic coupling mode conveying to the cable of encoding, and the signal forms code address signal through with the gray code mode code cable the that alternately intorsion was arranged after, is received and is carried out address decoding by the address coding receiver. This system utilization code cable system has realized car location, functioning speed monitoring, flat bed control, the protection of wireless speed limit, has prevented the protection of swift current car, anti -shear surely protects and multiple functions such as the spacing protection in terminal. Positioning system is accurate, and the interference killing feature is strong, and simple structure is reliable, and the function is abundant, and application scope is wide.
Description
Technical field
The utility model relates to the field of elevator, particularly relates to a kind of lift car coding positioning system, is particularly useful for the elevator of high speed, hyper-speed and the Long Distances in down-hole ultra-deep mine and ground super-high buildings.
Background technology
That pursues quality of the life along with people improves constantly, and the requirement for elevator is more and more higher.Under the prerequisite ensureing elevator safety, user pursues and more convenient takes elevator.Designer, under the prerequisite of meeting consumers' demand, pursues more simple, failure-free elevator device.For ensureing the safe operation of elevator, apparatus for controlling elevator adds car position fixing system, running velocity monitoring system, level control system, speed limiting system, anti-running protection system, anti-shear protective system and terminal limit protection system etc.In existing elevator device, above-mentioned additional system is autonomous system, need a series of sensor location in each position of elevator device, each system needs to arrange independently acquisition module, the Signal transmissions gathered is to the total control module of elevator control cabinet, make apparatus for controlling elevator huge and loaded down with trivial details, increase the construction cost of elevator, affect the serviceability of elevator.
Traditional elevator locating system and cage operation speed monitoring adopt rotary encoder mostly.General rotary encoder can be arranged on the main shaft of towing machine, also has some to be mounted on the main shaft of velocity limiter, thus converses the speed of current elevator by the rotative speed of main shaft, then by the cumulative position determining elevator of code.Because the value of this position fixing system obtains by converting, and due to the existence of the Relative sliding between the backlash of gear and belt, this locate mode is caused to be there is certain accumulated error comparatively speaking.
Traditional Elevator landing controls mostly to adopt the photoelectric switch being arranged on target stop and the rotary encoder being arranged on towing machine main shaft to jointly control, this mode can only realize slowing down by speed principle, photoelectric switch is blocked when car arrives target stop, traction machine brake is braked, the rapid vanishing of car speed, the braking acceleration of generation makes passenger uncomfortable; Traditional speed limiting system comprises velocity limiter, safety tongs, speed limit rope and swelling device, and in high-rise high speed elevator device, the existence of speed limit rope is rocked, and easily causes safety tongs misoperation; Traditional anti-running protection system and anti-shear protective system adopt photoelectric switch mostly, principle and flat bed control similar, when car is stopped with target stop, occur that hoist ropes slippage in traction sheave grooving makes car movement, and car speed is not when reaching the extreme case of mechanical action speed, traditional system cannot clamp action by triggering secure, cannot realize anti-running and anti-shear protective; Terminal limit protection system adopt limit switch, the larger speed of car rush to summit or at the bottom of pier time triggering limit switch, safety tongs action immediately makes car all standing, produces larger braking acceleration, large to the injury of passenger; In sum, existing said system all adopts independently sensor, system complex and control loaded down with trivial details, easily causes thrashing, affects elevator safety performance.
Summary of the invention
Technical matters: the purpose of this utility model is for problems of the prior art; a kind of lift car coding positioning system is provided, the functions such as car location, running velocity monitoring, flat bed control, wireless speed limiting protection, anti-running protection, anti-shear protective and terminal position limitation protection can be realized.
Technical scheme: lift car coding positioning system of the present utility model, the group control system comprising elevator locating system and be connected with hoistway elevator master controller; Described elevator locating system comprises the single apparatus for controlling elevator in elevator control cabinet, the car control system be arranged in lift car, the coding cable system that is connected with both car control system with single apparatus for controlling elevator by the communications cable;
The wireless module I that described single apparatus for controlling elevator is comprised elevator master controller, is connected by the communications cable with elevator master controller;
Described car control system comprises the elevator car be arranged in lift car, the read-out be connected by the communications cable with elevator car and wireless module II, elevator car is connected with the electromagnet be arranged on car through controlling cable, electromagnet is connected with connecting rod mechanism, by connecting rod mechanism be located at car both sides and be connected near the safety tongs at cage guide place;
Described coding cable system comprises the top case of well headroom, termination rack and the coding cable being connected both top case and termination rack of shaft bottom, case place, top is provided with geocoding receptor, and car is provided with geocoding maker and induction antenna case near coding cable place;
Described group control system comprises the communication bus connecting each hoistway elevator master controller, the team control module be connected with communication bus and call module, and team control module is provided with monitoring module.
Beneficial effect: owing to have employed technique scheme, the utility model compared with prior art has the following advantages:
(1) system accurate positioning, antijamming capability is strong: native system adopt coding cable heart yearn with Gray code mode intersect twisting arrangement, eliminate electromagnetic interference, the omnidistance non-overlapping point of crossing of coding cable heart yearn, absolute address can be detected continuously, accurately in cage operation interval, accuracy of detection reaches 5mm, the pinpoint demand of car can be met completely, overcome the systematic error that traditional car location adopts the cumulative errors of rotary encoder and traction system mechanical clearance to cause, under system long-play condition, car location is more accurate;
(2) simple and reliable, the feature richness of system, applied widely: native system utilizes coding cable system not only to achieve car location; according to the position signal that coding positioning system gathers, achieved the several functions such as running velocity is monitored, flat bed controls, wireless speed limiting is protected, anti-running is protected, anti-shear protective and terminal position limitation protection by apparatus for controlling elevator.Converted by the car position Changing Pattern in the unit time and realize running velocity monitoring, overcome the systematic error that conventional speed monitoring adopts the cumulative errors of rotary encoder and traction system mechanical clearance to cause; Adopt and press distance principle deceleration, realize the accurate flat bed of car and control, overcome the moment braking acceleration that traditional flat bed controls to produce; Monitored by the running velocity of apparatus for controlling elevator, control the safety gear action on car by wireless signal transmission, realize wireless speed limiting protection, overcome the potential safety hazard that high-rise high speed elevator speed limit rope exists; Utilize car to encode positioning signal and stop layers, enabling signal, slip car and shearing accident time detect in time and respond, make safety tongs action, realize anti-running, anti-shear protective, overcoming the extreme case existed in legacy system cannot respond; Utilize the flat bed control signal of terminal stop realize car rush to summit or at the bottom of pier time pre-decelerating, slow down braking acceleration, the high speed overcoming legacy system is braked instantaneously and is damaged passenger.Adopt car coding positioning system, arrange that a series of sensor detects everywhere without the need to hoistway again, simplify structure and the control of system, and ensure its system stability and reliably; More significant advantage is had in the complication systems such as Shuangzi apparatus for controlling elevator, many hoistways elevator group controlling elevator device.In Shuangzi elevator, apply car coding positioning system, accurately detect two car positions in same hoistway in real time, when system malfunctions causes two cars to occur collision trend, give warning in advance and slow down, ensureing that two cars do not collide; In the group control system of many hoistways elevator, apply car coding positioning system, realize the location to cars all in each hoistway and motion detection, simplify the algorithm of exhaling system, easily realize optimum elevator dispatching.
Accompanying drawing explanation
Fig. 1 is the structured flowchart that the utility model total system is applied to single elevator device;
Fig. 2 is the control block diagram of the utility model total system;
Fig. 3 is the structured flowchart that the utility model total system is applied to Shuangzi elevator device;
Fig. 4 is the structured flowchart that the utility model total system is applied to the multiple lift control system of many hoistways.
In figure: the mono-apparatus for controlling elevator of 1-; 2-car control system; 3-coding cable system; 4-group control system; 1-1-elevator master controller; 1-2-wireless module I; 1-3-towing machine; 2-1-read-out; 2-2-wireless module II; 2-3-elevator car; 2-4-electromagnet; 2-5-connecting rod mechanism; 2-6-safety tongs; 2-7-car; 3-1-geocoding receptor; 3-2-induction antenna case; 3-3-geocoding maker; 3-4-top case; 3-5-coding cable; 3-6-termination rack; 4-1-communication bus; 4-2-monitoring module; 4-3-team control module; 4-4-call module.
Detailed description of the invention:
Below in conjunction with the embodiment in accompanying drawing, the utility model will be further described:
As Figure 1-3, lift car coding positioning system of the present utility model is applied to single elevator device and Shuangzi elevator device, forms primarily of single apparatus for controlling elevator 1, car control system 2 and coding cable system 3; The utility model can be applicable to the multiple lift control system of many hoistways, as shown in Figure 4, forms primarily of single apparatus for controlling elevator 1, car control system 2, coding cable system 3 and group control system 4.Single apparatus for controlling elevator 1 is arranged in elevator control cabinet, car control system 2 is arranged in lift car, coding cable system 3 is connected with both car control system 2 with single apparatus for controlling elevator 1 by the communications cable, and group control system 4 is connected with each hoistway elevator master controller by communication bus 4-1.
Described single apparatus for controlling elevator 1 comprises elevator master controller 1-1, and wireless module I 1-2 be connected by the communications cable with elevator master controller 1-1, elevator master controller 1-1 are the mster-control centres of elevator.In Shuangzi elevator device, elevator master controller 1-1 controls signal and communication and the control of two towing machines and two cars.In the multiple lift control system of many hoistways, elevator master controller 1-1 comprises all control except calling out terraced system.
Described car control system 2 comprises elevator car 2-3, the read-out 2-1 be connected by the communications cable with elevator car 2-3 and wireless module II 2-2, read-out 2-1 is for showing the current running state of car, and two wireless modules I, II 1-2,2-2 directly can wireless telecommunications interaction datas mutually.The electromagnet 2-4 be arranged on car 2-7 is connected with elevator car 2-3 by controlling cable, and safety tongs 2-6 is arranged on car 2-7 both sides and near cage guide, connecting rod mechanism 2-5 connects electromagnet 2-4 and safety tongs 2-6.When elevator car 2-3 receives the instruction of being braked by the car that wireless module I 1-2 sends by elevator master controller 1-1 by wireless module II 2-2, elevator car 2-3 makes the action of electromagnet 2-4 by controlling cable, electromagnet 2-4 drives safety tongs 2-6 action by connecting rod mechanism 2-5, and car 2-7 is stopped.
Described coding cable system 3 comprises the top case 3-4 of well headroom, termination rack 3-6 and the coding cable 3-5 being connected both top case 3-4 and termination rack 3-6 of shaft bottom, coding cable is made up of datum line and A wire, and datum line is for obtaining standard signal, and A wire is for detecting address.The each pair of A wire intersects twisting arrangement in Gray code mode, ensures the omnidistance non-overlapping point of crossing of coding cable heart yearn.Case 3-4 place, top is provided with geocoding receptor 3-1, and car is provided with geocoding maker 3-3 and induction antenna case 3-2 near coding cable 3-5 place;
Described group control system 4 comprises the communication bus 4-1, the team control module 4-3 be connected with communication bus 4-1 and call module 4-4 that connect each hoistway elevator master controller, team control module 4-3 is provided with monitoring module 4-2, shows the cage operation position in each hoistway and state.
Need in each car 2-7 to arrange a geocoding maker 3-3, as shown in Figure 3, Shuangzi elevator, has two car 2-7 in a hoistway, as shown in Figure 4, and many hoistways multiple control lift.The effect of induction antenna case 3-2 is that the signal of the particular frequencies of geocoding maker 3-3 generation is sent to coding cable by electromagnetic coupled mode.
Described elevator master controller 1-1 is elevator basic control system, is made up of, the major control such as speed, safety PLC, frequency converter etc.Elevator car 2-3 is arranged on the sub-control system on car 2-7, controls by elevator master controller 1-1, and the subsystem such as frequency generation, safety tongs 2-6 electrical action of control information display, geocoding maker 3-3 specifically controls.Top case 3-4 and termination rack 3-6 is the initiating terminal of coding cable and the joint box of clearing end.Above-mentioned electric life controller, elevator car are the controller in prior art elevator, and different elevator model is different.
Claims (5)
1. a lift car coding positioning system, is characterized in that: the group control system (4) that it comprises elevator locating system and is connected with hoistway elevator master controller; Described elevator locating system comprise the single apparatus for controlling elevator (1) in elevator control cabinet, the car control system (2) be arranged in lift car, by the communications cable and single apparatus for controlling elevator (1) and the two coding cable system (3) be connected of car control system (2).
2. a kind of lift car coding positioning system according to claim 1, is characterized in that: the wireless module I (1-2) that described single apparatus for controlling elevator (1) is comprised elevator master controller (1-1), is connected by the communications cable with elevator master controller (1-1).
3. a kind of lift car coding positioning system according to claim 1, it is characterized in that: described car control system (2) comprises the elevator car (2-3) be arranged in lift car, the read-out (2-1) be connected by the communications cable with elevator car (2-3) and wireless module II (2-2), elevator car (2-3) is connected with the electromagnet (2-4) be arranged on car (2-7) through controlling cable, electromagnet (2-4) is connected with connecting rod mechanism (2-5), by connecting rod mechanism (2-5) be located at car (2-7) both sides and be connected near the safety tongs (2-6) at cage guide place.
4. a kind of lift car coding positioning system according to claim 1, it is characterized in that: described coding cable system (3) comprises the top case (3-4) of well headroom, the termination rack (3-6) of shaft bottom be connected the two coding cable (3-5) of top case (3-4) and termination rack (3-6), top case (3-4) place is provided with geocoding receptor (3-1), and car is provided with geocoding maker (3-3) and induction antenna case (3-2) near coding cable (3-5) place.
5. a kind of lift car coding positioning system according to claim 1, it is characterized in that: described group control system (4) comprises the communication bus (4-1) connecting each hoistway elevator master controller, the team control module (4-3) be connected with communication bus (4-1) and call module (4-4), and team control module (4-3) is provided with monitoring module (4-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520989389.7U CN205132856U (en) | 2015-12-03 | 2015-12-03 | Elevator car positioning system that encodes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520989389.7U CN205132856U (en) | 2015-12-03 | 2015-12-03 | Elevator car positioning system that encodes |
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| Publication Number | Publication Date |
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| CN205132856U true CN205132856U (en) | 2016-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520989389.7U Expired - Fee Related CN205132856U (en) | 2015-12-03 | 2015-12-03 | Elevator car positioning system that encodes |
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| CN (1) | CN205132856U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017092111A1 (en) * | 2015-12-03 | 2017-06-08 | 中国矿业大学 | Elevator carriage positioning and encoding system and control method |
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2015
- 2015-12-03 CN CN201520989389.7U patent/CN205132856U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017092111A1 (en) * | 2015-12-03 | 2017-06-08 | 中国矿业大学 | Elevator carriage positioning and encoding system and control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160406 Termination date: 20161203 |