CN104909236A - Portable uplink overspeed protection tester for permanent magnet synchronous tractor elevator - Google Patents
Portable uplink overspeed protection tester for permanent magnet synchronous tractor elevator Download PDFInfo
- Publication number
- CN104909236A CN104909236A CN201510266015.7A CN201510266015A CN104909236A CN 104909236 A CN104909236 A CN 104909236A CN 201510266015 A CN201510266015 A CN 201510266015A CN 104909236 A CN104909236 A CN 104909236A
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- elevator
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/04—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed
- B66B5/048—Testing of overspeed governor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/04—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed
- B66B5/06—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed electrical
Abstract
A portable uplink overspeed protection tester for a permanent magnet synchronous tractor elevator comprises a safety transformer with a tap. A primary coil of the transformer is connected with an electric supply 220 VAC power source. The number of secondary coils of the transformer is three, the first secondary coil outputs the 220 VAC voltage, the second secondary coil outputs the 110 VAC voltage, and the third secondary coil outputs the 24 VAC voltage. The portable uplink overspeed protection tester can be placed in a tool box, and field inspecting and carrying are convenient. Operation is easy, the tester only has one path of mains input, two paths of output and two signal lines, a bolt mode is adopted in power input line connection, a line clip mode is adopted in connection of all output lines and the signal lines, and during using, line connecting is easy and quick. An operation panel only has one main power switch, one starting/stopping button and the like, and operation is easy.
Description
Technical field
Patent of the present invention mainly develops a kind of portable up-running over-speed protection tester for permanent magnetic synchronous traction machine elevator, so that the reliability of the on-the-spot protection device for over-speed ascending to adopting permanent magnetic synchronous traction machine elevator of elevator inspector carries out inspection that is convenient, science.
Background technology
Protection device for over-speed ascending for elevator is mounted on tracking-driven elevator, makes car stop when ascending for elevator hypervelocity acquires a certain degree or at least makes its speed be reduced to a kind of safety guard of the scope of design of counterweight buffer.It is generally by speed monitoring and stop or cause deceleration two parts to form.Usual employing bidirectional speed limiter is as car speed control monitor unit, and stop or cause speed reduction gearing to divide several modes such as safety tongs, wire holder, sure brake, acts on car or counterweight, steel-cable suspensioning device, the positions such as traction sheave respectively.At present; permanent magnetic synchronous traction machine elevator with its excellent performance use by most elevator; sure brake acts directly on traction sheave as protection device for over-speed ascending or near on the traction axle of traction sheave, this brake design has redundancy, meets the condition of sure brake.
But in " elevator surveillance inspection and periodical survey rule-traction forcibly driving elevator (TSG T7001-2009) " that the National Quality Supervision Bureau General that China is existing promulgates, disunity is existed to the test method of the protection device for over-speed ascending of elevator; not science, the defects such as human element is more.
(1) protection device for over-speed ascending for elevator national standard and elevator surveillance are checked and the related request of periodical survey rule:
In " elevator manufacture and installation safety standard " (GB7588-2003), the manufacture of the protection device for over-speed ascending of 9.10 pairs of elevators proposes clear and definite requirement with installation, and in " elevator code for erection and inspection " (GB/T10060-2011), 5.4.9 also proposes clear and definite requirement to the function reliability of the protection device for over-speed ascending of elevator.Relate in " elevator surveillance inspection and periodical survey rule-traction and forcibly driving elevator " (TSG T7001-2009) that National Quality Supervision Bureau General promulgates and two 2.14 and 8.1 mainly contained to the inspection of protection device for over-speed ascending for elevator, distinguish as follows:
| Project and classification | Inspection content and requirement | The method of inspection |
| 2.14 car protection device for over-speed ascending B | Car protection device for over-speed ascending should be provided with nameplate, indicate manufacturer's title, model, specifications parameter and type test authority identification, nameplate should conform to type test certification of fitness content; Elevator complete machine manufacturer should mark the action test method of car protection device for over-speed ascending on control panel or emergency operation screen | Check and inspection protection device for over-speed ascending type test certification of fitness and nameplate; The mark situation of range estimation action test method |
| 8.1 car protection device for over-speed ascending tests | When car speed uplink is out of control, car protection device for over-speed ascending should action, makes car stop or at least makes its speed be reduced to the scope of design of counterweight buffer; During this device action, an electric safety device action should be made | Tested by the method for constructing or maintaining unit specifies according to manufacturer, inspector's field observation, confirmation |
(2) defect of existing " inspection rule " car protection device for over-speed ascending experimental examination method:
1, the existing method of inspection is undistinct, disunity.According to " elevator surveillance inspection and periodical survey rule-traction and forcibly driving elevator " (TSGT7001-2009) that National Quality Supervision Bureau General promulgates; the car protection device for over-speed ascending of elevator tests its method of inspection to be provided by each elevator manufacturer, causes each elevator manufacturer to have diverse ways.
2, because do not have the unified method of inspection, the method for inspection that many elevator manufacturers provide exists to be dealt with, and correctly can not test elevator car ascending overspeed protection device.
3, when the up-running over-speed protection reliability test of elevator does in elevator Inspection Unit, adopt this method of inspection, not science, human element is larger.Present permanent magnetic synchronous traction machine car protection device for over-speed ascending experimental examination method key step is exactly: arrange the protective devices such as necessary safety barrier, car zero load is placed in minimum stop, disconnect elevator source switch, remove or short circuit envelope star relay, inspector opens drg with manpower, lift car upwards Accelerating running gradually under the effect of counterweight gravity, when the speed uplink of car reaches velocity limiter up-running over-speed protection electric switch responsiveness, the action of velocity limiter up-running over-speed protection electric switch, manpower release drg, can observe car stop or effectively slow down, judge that whether protection device for over-speed ascending is qualified with this.This test method human element is more, and manpower release drg is difficult to synchronous with the action of velocity limiter up-running over-speed protection electric switch, and test method is inaccurate, not science.
Summary of the invention
The object of the invention is the deficiency overcoming the above-mentioned method of inspection, a kind of portable up-running over-speed protection tester for permanent magnetic synchronous traction machine elevator is provided.Certificate authenticity can be carried out to the up-running over-speed protection of the elevator of all employing permanent magnetic synchronous traction machines, easy and safe to operate.
For achieving the above object; the technical solution used in the present invention is: a kind of portable up-running over-speed protection tester for permanent magnetic synchronous traction machine elevator; it comprises the security transformer of band tap; civil power 220VAC power supply is connected at the primary winding of voltage transformer; the output primary of described voltage transformer has three; first output primary exports as 220VAC voltage, and second subprime coil exports as 110VAC voltage, and level coil exports as 24VAC voltage for the third time.The 220V voltage output end of the first described output primary and 0V voltage output end are connected respectively to time relay KMZ two contact KMZ1 and KMZ2, and the 110V voltage output end of described second subprime coil and 0V voltage output end are connected respectively to time relay KMZ two contact KMZ3 and KMZ4.Rectifier bridge VC1 is connected with 0V voltage output end at the first described output primary 220VAC mouth, be connected rectifier bridge VC3 at described second subprime coil 110VAC mouth with 0V voltage output end, third time level coil 24VAC mouth is connected rectifier bridge VC5 with 0V voltage output end.Two mouth connecting time relay K MZ, two pitch of the laps input ends of rectifier bridge VC5.
The first described output primary is provided with 80V voltage output end, and the 0V voltage output end of described 80V voltage output end and the first output primary is connected respectively to the input end of rectifier bridge VC2.
Described second subprime coil is provided with 75 voltage output ends, and the 0V voltage output end of described 75V voltage output end and second subprime coil is connected respectively to the input end of rectifier bridge VC4.
Preferably, described voltage transformer is the security transformer of band tap.
The connection lead of the primary winding of described voltage transformer is also provided with Room gate electric interlocking signal wire connecting end and velocity limiter signal wire connecting end.
The beneficial effect that the present invention produces is:
1. field-checking is easy to carry, and this instrument can be loaded in a tool box, and field-checking is easy to carry.
2. simple to operate, this instrument only has a road power supply input, two-way output, two paths of signals line, and power input line connects employing bolt-type, and all output lines are connected employing wire-clamp-type with signal wire (SW), and during use, wiring is simple, rapid.Guidance panel only has a main power switch, and a startup/pause button etc. are simple to operate.
3. safety is high.This instrument is provided with power supply " main switch " and " start/suspend " button, in test process, soon to rush to summit if there is car and governor switch does not also have action or towing machine rotating speed that apparently higher than governor tripping speed, velocity limiter does not also have action etc. in particular cases, power supply " main switch " or " start/suspend " button can be pressed, this instrument is exported stop, thus elevator internal contracting brake is discharged, brake, thus the generation avoiding the accident of rushing to summit.Be provided with time limitation function in addition, when opening " main switch " and starting to test, if 1 minute governor switch is failure to actuate or without any operation, stopping exports by this instrument.
4. method of inspection science, reduces human element to the impact of assay.The method of inspection of the up-running over-speed protection of past permanent magnetic synchronous traction machine elevator is all open band-type brake by manpower, and after observing velocity limiter action, release band-type brake, checks the reliability of up-running over-speed protection.This tester completes opening and release of permanent magnetic synchronous traction machine drg automatically, and release signal comes from the up-running over-speed protection on-off signal of velocity limiter, tests the actual uplink overspeed protection principle of complete simulant elevator, so this instrument is more scientific.
5. highly versatile, this instrument adopts 110VDC and 220VDC two kinds output, is suitable for the protection device for over-speed ascending test of the permanent magnetic synchronous traction machine elevator of present all brands.This instrument has larger power capability, can test the permanent magnetic synchronous traction machine elevator in a big way such as nominal payload 630kg-3000kg.
6. pair experiment elevator can not cause damage.After band-type brake is opened in excitation, time delay transferred 80VDC or 75VDC ME for maintenance to after 1 second.Any infringement can not be caused to the drg of experiment elevator.
Accompanying drawing explanation
Fig. 1 is circuit connection diagram of the present invention.
Detailed description of the invention
A kind of portable up-running over-speed protection tester for permanent magnetic synchronous traction machine elevator as shown in Figure 1; it comprises the security transformer of band tap; civil power 220VAC power supply is connected at the primary winding of voltage transformer; the output primary of described voltage transformer has three; first output primary exports as 220VAC voltage; second subprime coil exports as 110VAC voltage, and third time level coil output is 24VAC voltage.The 220V voltage output end of the first described output primary and 0V voltage output end are connected respectively to time relay KMZ two contact KMZ1 and KMZ2, and the 110V voltage output end of described second subprime coil and 0V voltage output end are connected respectively to time relay KMZ two contact KMZ3 and KMZ4.Rectifier bridge VC1 is connected with 0V voltage output end at the first described output primary 220VAC mouth, rectifier bridge VC3 is connected with 0V voltage output end at described second subprime coil 110VAC mouth, third time level coil 24VAC mouth is connected rectifier bridge VC5 with 0V voltage output end, two mouth connecting time relay K MZ, two pitch of the laps input ends of rectifier bridge VC5.。
The first described output primary is provided with 80V voltage output end, and the 0V voltage output end of described 80V voltage output end and the first output primary is connected respectively to the input end of rectifier bridge VC2.
Described second subprime coil is provided with 75 voltage output ends, and the 0V voltage output end of described 75V voltage output end and second subprime coil is connected respectively to the input end of rectifier bridge VC4.
Preferably, described voltage transformer is the security transformer of band tap.
The connection lead of the primary winding of described voltage transformer is also provided with Room gate electric interlocking signal wire connecting end and velocity limiter signal wire connecting end.
During the on-the-spot test of this instrument, tested lift car is placed in minimum stop, unloaded in car, arranges enclosing safety signs such as checking.Disconnect all source switchs of tested elevator, remove or short circuit elevator envelope star relay, remove tested elevator brake magnet coil input line, remove the wiring of tested elevator governor up-running over-speed protection electric switch.Input 220VAC line inserts on 220VAC battery socket; corresponding 220VDC or the 110VDC output line of this instrument is selected to be connected with tested elevator brake coil according to tested elevator brake coil voltage; this instrument velocity limiter signal wire (SW) is connected with tested elevator governor up-running over-speed protection electric switch, and Room gate electric interlocking signal wire (SW) is connected with gate loop, tested elevator hall.Just complete all wiring dead works before this instrument test.When guaranteeing tested elevator safety, press " source switch " and " start/suspend " button of this instrument successively, corresponding 220VDC or 110VDC output line has electric current to export, tested elevator brake is opened, for protection brake coil, ME for maintenance 80 VDC(or 75 VDC is become after crossing 1S) export, tested lift car is under the effect of counterweight, accelerate up gradually, when reaching the up-running over-speed protection responsiveness of velocity limiter, the switch motion of velocity limiter up-running over-speed protection disconnects, after this instrument velocity limiter signal wire (SW) collects its disconnection, by controlling computer board, 220VDC or 110VDC output line is made to stop exporting, elevator brake dead electricity is braked, lift car is answered stop or is at least made its speed be reduced to the scope of design of counterweight buffer, it is qualified that tested protection device for over-speed ascending for elevator detects, otherwise, can not effective brake, then tested protection device for over-speed ascending for elevator detects nonconformity.
Claims (5)
1. the portable up-running over-speed protection tester for permanent magnetic synchronous traction machine elevator, it comprises a voltage transformer, it is characterized in that: connect civil power 220VAC power supply at the primary winding of voltage transformer, the output primary of described voltage transformer has three, first output primary exports as 220VAC voltage, second subprime coil exports as 110VAC voltage, and third time level coil output is 24VAC voltage; The 220V voltage output end of the first described output primary and 0V voltage output end are connected respectively to time relay KMZ two contact KMZ1 and KMZ2, and the 110V voltage output end of described second subprime coil and 0V voltage output end are connected respectively to time relay KMZ two contact KMZ3 and KMZ4; Rectifier bridge VC1 is connected with 0V voltage output end at the first described output primary 220VAC mouth, be connected rectifier bridge VC3 at described second subprime coil 110VAC mouth with 0V voltage output end, third time level coil 24VAC mouth is connected rectifier bridge VC5 with 0V voltage output end; Two mouth connecting time relay K MZ, two pitch of the laps input ends of rectifier bridge VC5.
2. a kind of portable up-running over-speed protection tester for permanent magnetic synchronous traction machine elevator according to claim 1; it is characterized in that: on the first described output primary, be provided with 80V voltage output end, the 0V voltage output end of described 80V voltage output end and the first output primary is connected respectively to the input end of rectifier bridge VC2.
3. a kind of portable up-running over-speed protection tester for permanent magnetic synchronous traction machine elevator according to claim 1; it is characterized in that: on described second subprime coil, be provided with 75 voltage output ends, the 0V voltage output end of described 75V voltage output end and second subprime coil is connected respectively to the input end of rectifier bridge VC4.
4. a kind of portable up-running over-speed protection tester for permanent magnetic synchronous traction machine elevator according to claim 1, is characterized in that: described voltage transformer is the security transformer of band tap.
5. a kind of portable up-running over-speed protection tester for permanent magnetic synchronous traction machine elevator according to claim 1, is characterized in that: the connection lead of the primary winding of described voltage transformer is also provided with Room gate electric interlocking signal wire connecting end and velocity limiter signal wire connecting end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510266015.7A CN104909236B (en) | 2015-05-23 | 2015-05-23 | A kind of portable up-running over-speed protection tester for permanent magnetic synchronous traction machine elevator |
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| CN201510266015.7A CN104909236B (en) | 2015-05-23 | 2015-05-23 | A kind of portable up-running over-speed protection tester for permanent magnetic synchronous traction machine elevator |
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| CN104909236A true CN104909236A (en) | 2015-09-16 |
| CN104909236B CN104909236B (en) | 2018-01-12 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108773742A (en) * | 2018-07-27 | 2018-11-09 | 苏州汇川技术有限公司 | Method for security protection, electric life controller and elevator device is driven by force |
| CN110759200A (en) * | 2019-10-29 | 2020-02-07 | 迅达（中国）电梯有限公司 | Machine-room-less elevator braking force verification device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108773742A (en) * | 2018-07-27 | 2018-11-09 | 苏州汇川技术有限公司 | Method for security protection, electric life controller and elevator device is driven by force |
| CN108773742B (en) * | 2018-07-27 | 2024-01-26 | 苏州汇川技术有限公司 | Safety protection method, elevator controller and forced-drive elevator system |
| CN110759200A (en) * | 2019-10-29 | 2020-02-07 | 迅达（中国）电梯有限公司 | Machine-room-less elevator braking force verification device |
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|---|---|
| CN104909236B (en) | 2018-01-12 |
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Inventor after: Yuan Chuansen Inventor after: Miao Shu Inventor after: Song Yaoguo Inventor after: Zhang Qing Inventor after: Zhang Weiming Inventor after: Cai Peng Inventor after: Hou Yonghui Inventor after: Zhou Ying Inventor after: Han Qicheng Inventor after: Chen Man Inventor before: Yuan Chuansen Inventor before: Miao Shu Inventor before: Zhang Qing Inventor before: Han Qicheng Inventor before: Chen Man Inventor before: Zhou Ying |
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Effective date of registration: 20170224 Address after: Shangqiu City, Henan province 476000 Suiyang District Xiangjun road and 30 meters north of the intersection of East Huaxia Road Applicant after: SHANGQIU BRANCH, HENAN SPECIAL EQUIPMENT INSPECTION INSTITUTE Address before: 476000 Henan City, Shangqiu City Park District, Tak Tak District, building 1, unit 6, No. 15 Applicant before: Yuan Chuansen |
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Inventor after: Yuan Chuansen Inventor after: Guo Lin Inventor after: Zhou Ying Inventor after: Chen Man Inventor after: Song Yaoguo Inventor after: Zhang Huajun Inventor after: Meng Lin Inventor after: Han Qicheng Inventor after: Ren Fei Inventor after: Liu Yongzhen Inventor after: Li Bo Inventor after: Zhang Yadong Inventor before: Yuan Chuansen Inventor before: Miao Shu Inventor before: Song Yaoguo Inventor before: Zhang Qing Inventor before: Zhang Weiming Inventor before: Cai Peng Inventor before: Hou Yonghui Inventor before: Zhou Ying Inventor before: Han Qicheng Inventor before: Chen Man |
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