CN204999461U - Speed monitoring devices of elevator hauler when power failure is saved oneself - Google Patents
Speed monitoring devices of elevator hauler when power failure is saved oneself Download PDFInfo
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- CN204999461U CN204999461U CN201520703856.5U CN201520703856U CN204999461U CN 204999461 U CN204999461 U CN 204999461U CN 201520703856 U CN201520703856 U CN 201520703856U CN 204999461 U CN204999461 U CN 204999461U
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Abstract
The utility model discloses a speed monitoring devices of elevator hauler when power failure is saved oneself, the device includes: electric current collection module for gather the induced -current who produces when target hauler winding is saved oneself, the shaping circuit module for be the square wave with the current waveform plastic of gathering, and send away square signal, the data entry module for type hauler relevant parameter and standard speed parameter, data processing module for carrying out assay to square signal, and storage signal analysis result, hauler relevant parameter and standard speed parameter, then handling storage data, whether the real time speed and the speed that obtain the hauler unusual judged result, the display module for whether the real time speed and the speed that show hauler relevant parameter, hauler unusual judged result. The device of the utility model is simple in structure, carry, convenient to use, can the wide application in the speed monitoring of various elevators when the power failure is saved oneself.
Description
Technical field
The utility model relates to a kind of elevator traction machine device for monitoring speed, and especially a kind of elevator traction machine, at device for monitoring speed when saving oneself that has a power failure, belongs to elevator speed monitoring field.
Background technology
In modern society, elevator is as the accessory equipment large area use of daily life, and install in each building ground with the impetus of develop rapidly, particularly some high-end office buildings, residential quarter, can say that elevator and daily life are inseparable, become in multi-story structure for conveying people and the indispensable vehicle of goods.
Along with the fast development of elevator industry, a large amount of new technology Technology application is to elevator industry, and be also multifarious to the method for inspection of elevator, test item, elevator safety coefficient requirements also increases day by day.The appearance of new national standard in 2015, has also made corresponding regulation to elevator in speed when saving oneself that has a power failure (elevator traction machine is in speed when saving oneself that has a power failure).Therefore, in speed when saving oneself that has a power failure, monitoring is carried out to elevator particularly important.
At present, usually adopt the method for mark steel rope on the market, or adopt special measuring instrument to measure elevator in speed when saving oneself that has a power failure.The method of mark steel rope, needs to carry out segmentation markers to steel rope, and while people is for timing, needing to carry out steel rope miles of relative movement by mark artificially estimates, precision is not high, and easily makes mistakes; The principle of special measuring instrument is: by inconsistent when different altitude height of acceleration due to gravity, obtain corresponding height, speed data when directly showing that elevator runs by the change of certain hour height, but this method needs to adopt the measuring instrument of external import to realize, and its cost is higher.Therefore, above-mentioned two kinds of method of measurement all do not meet the demand of present stage elevator industry.
Utility model content
The purpose of this utility model is the defect in order to solve above-mentioned prior art, provide a kind of elevator traction machine at device for monitoring speed when saving oneself that has a power failure, this apparatus structure is simple, carries, easy to use, can be widely used in various elevator at speed monitoring when saving oneself that has a power failure.
The purpose of this utility model can reach by taking following technical scheme:
Elevator traction machine is at device for monitoring speed when saving oneself that has a power failure, described device is handheld apparatus, comprise current acquisition module, shaping circuit module, data inputting module, data processing module and display module, described current acquisition module, shaping circuit module are connected successively with data processing module, and described data inputting module is connected with data processing module respectively with display module; Wherein:
Described current acquisition module, for gathering the inducing current produced when target towing machine winding is saved oneself;
Described shaping circuit module, for the current waveform of collection is shaped as square wave, and sends square-wave signal;
Described data inputting module, for typing towing machine correlation parameter and standard speed parameter;
Described data processing module, for analyzing square-wave signal, and storage signal analysis result, towing machine correlation parameter and standard speed parameter, then processes storage data, obtains the real-time speed of towing machine and the whether abnormal judged result of speed;
Described display module, for showing the whether abnormal judged result of towing machine correlation parameter, the real-time speed of towing machine and speed.
As a kind of embodiment, described device also comprises alarm module, and described alarm module is connected with data processing module.
As a kind of embodiment, described alarm module is buzzer phone.
As a kind of embodiment, described device also comprises power module, and described power module is used for powering for current acquisition module, shaping circuit module, data inputting module, data processing module, display module and alarm module.
As a kind of embodiment, described shaping circuit module, data processing module and alarm module are arranged on a control desk, and described data inputting module installation is on a tablet, and described display module is arranged on a display panel.
As a kind of embodiment, described data inputting module comprises keyboard scan control circuit and code counting circuit.
As a kind of embodiment, described current acquisition module is current sensing elements.
As a kind of embodiment, described data processing module is singlechip chip.
As a kind of embodiment, described display module is LCDs.
The utility model has following beneficial effect relative to prior art:
1, the utility model device is by gathering towing machine at generation current waveform when saving oneself that has a power failure, based under the principle that towing machine motor number of pole-pairs is equal with the pulse count of generation current, by to image data by frequency computation part, carry out typing computing to the parameter of electric machine of towing machine, obtain the real-time speed of towing machine, and pass through Data Comparison, obtain the judged result that the speed of towing machine is whether abnormal, and can Graphics Processing result in real time, it is quite convenient to operate.
2, the utility model device adopts current acquisition module, shaping circuit module, data inputting module, data processing module, these modules of display module, elevator traction machine can be realized at speed monitoring when saving oneself that has a power failure, total is simple, reasonable, therefore cost is lower, and the accuracy rate measured is high.
3, the utility model device is when judging the velocity anomaly of towing machine, not only can pass through display module (as LCDs etc.) to show, alarm module (as buzzer phone etc.) can be utilized to report to the police simultaneously, safeguard in time to point out staff.
4, the data acquisition of the utility model device only needs the inducing current that collection elevator traction machine produces in the process of saving oneself, and it is applicable to machine-roomless lift towing machine being positioned over hoistway, therefore can be widely used in various elevator.
Accompanying drawing explanation
Fig. 1 is that the elevator traction machine of the utility model embodiment 1 is at device for monitoring speed structured flowchart when saving oneself that has a power failure.
Fig. 2 is that the elevator traction machine of the utility model embodiment 1 is at device for monitoring speed schematic diagram when saving oneself that has a power failure.
Fig. 3 is that the elevator traction machine of the utility model embodiment 1 is at device for monitoring speed measurement procedure figure when saving oneself that has a power failure.
Wherein, 1-current acquisition module, 2-shaping circuit module, 3-data inputting module, 4-data processing module, 5-display module, 6-alarm module, 7-control desk, 8-tablet, 9-display panel.
Detailed description of the invention
Embodiment 1:
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, but embodiment of the present utility model is not limited thereto.
As depicted in figs. 1 and 2, present embodiments provide a kind of elevator traction machine at device for monitoring speed when saving oneself that has a power failure, this device is handheld apparatus, comprise current acquisition module 1, shaping circuit module 2, data inputting module 3, data processing module 4, display module 5, alarm module 6 and power module (not shown), described shaping circuit module 2, data processing module 4 and alarm module 6 are arranged on a control desk 7, described data inputting module 3 is arranged on a tablet 8, and described display module 5 is arranged on a display panel 9; Wherein:
Described current acquisition module 1, adopt current sensing elements, can select towing machine power lead, any one in UVW three-phase carries out current acquisition mutually, for gathering the inducing current produced when target towing machine winding is saved oneself;
Described shaping circuit module 2, for the current waveform of collection being shaped as square wave (namely forming the waveform of impulse form), and sending square-wave signal, being received by data processing module 4.
Described data inputting module 3, comprises keyboard scan control circuit and code counting circuit, for typing towing machine correlation parameter and standard speed parameter; Wherein, described towing machine correlation parameter comprises pulse count, rotating speed, rated speed of lift and national regulations speed, and the value of described standard speed parameter is 0.3m/s (meter per second), and this value specifies based on relevant national standard.
Described data processing module 4, adopt one piece of singlechip chip, there is the function of Data Collection, computing, output, be mainly used in analyzing square-wave signal, and storage signal analysis result, towing machine correlation parameter and standard speed parameter, then storage data are processed, obtain the real-time speed of towing machine and the whether abnormal judged result of speed.
Described display module 5, adopt LCDs general on the market, for showing real-time speed (the i.e. linear velocity of traction sheave of towing machine correlation parameter, towing machine, also be simultaneously the real-time speed of elevator) and the whether abnormal judged result of speed (when data processing module 4 judges that the speed of towing machine is normal, display " speed is normal ", when data processing module 4 judges the velocity anomaly of towing machine, display " velocity anomaly ").
Described alarm module 6, adopting buzzer phone, when judging the velocity anomaly of towing machine, sending alarm call.
Described power module, for powering for whole device, be current acquisition module 1, shaping circuit module 2, data inputting module 3, data processing module 4, display module 5 and alarm module 6 to power, can adopt powered battery (when outlet is vacant, device can be battery-powered) and by voltage transformer mains-supplied (when after the outlet being inserted through transformation, device is powered by outlet) two kinds of power supply modes.
As shown in Figure 3, because elevator runs the accelerator needing a period of time, the device for monitoring speed that the present embodiment provides at least needs the time waiting for that the traction sheave of towing machine takes two turns, and then makes elevator keep off-position, then just start to measure, its measurement process comprises the following steps:
The inducing current I that S1, employing current acquisition module acquires target towing machine winding produce when saving oneself;
The current waveform of collection is shaped as square wave, and square-wave signal is sent to data processing module by S2, shaping circuit module, and data processing module is analyzed square-wave signal, obtains electric current duty cycle T
1(unit is millisecond, i.e. ms);
S3, employing data inputting module typing towing machine correlation parameter, data processing module, according to towing machine correlation parameter, calculates current cycle T during rated speed of lift; Wherein, described towing machine correlation parameter comprises the pulse count of towing machine, and (unit is /s, namely/second), (unit is rpm for the rotating speed of towing machine, namely rev/min), (unit is m/s to rated speed of lift, i.e. meter per second) and national regulations speed (unit is m/s, i.e. meter per second), described data processing module is according to towing machine correlation parameter, (unit is ms to current cycle T when calculating rated speed of lift, i.e. millisecond), as shown in the formula:
T＝1000/(A*B/60)
Wherein, A is the pulse count of towing machine, and B is the rotating speed of towing machine;
S4, employing data inputting module typing standard speed parameter, data processing module, according to towing machine correlation parameter and standard speed parameter, calculates electric current duty cycle T
2; Wherein, the value of described standard speed parameter is 0.3m/s; Wherein, described data processing module, according to towing machine correlation parameter and standard speed parameter, calculates electric current duty cycle T
2(unit is ms, i.e. millisecond), as shown in the formula:
T
2＝1000/(A*E/60)
Wherein, E=B/C*0.3 (E is the rotating speed of towing machine under 0.3m/s speed), A is the pulse count of towing machine, and B is the rotating speed of towing machine, and C is rated speed of lift;
S5, data processing module are according to current cycle T when rated speed of lift, rated speed of lift and electric current duty cycle T
1, calculate the real-time speed v of towing machine; Meanwhile, data processing module is to the electric current duty cycle T obtained
1with electric current duty cycle T
2contrast, if T
1> T
2, then judge that the speed of towing machine is normal, if T
1< T
2, then the velocity anomaly of towing machine is judged; The real-time speed of towing machine, namely the linear velocity of traction sheave and cycle are inversely proportional to (v/C=T/T
1), therefore, described data processing module is according to current cycle T when rated speed of lift, rated speed of lift and electric current duty cycle T
1, calculate the real-time speed v of towing machine, as shown in the formula:
v＝T/T
1*C
Wherein, C is rated speed of lift.
The real-time speed v of S6, display module display towing machine correlation parameter, towing machine, when data processing module judges that the speed of towing machine is normal, display " speed is normal ", when data processing module judges the velocity anomaly of towing machine, display " velocity anomaly ", meanwhile, alarm module is reported to the police.
In sum, the utility model device is by gathering towing machine at generation current waveform when saving oneself that has a power failure, based under the principle that towing machine motor number of pole-pairs is equal with the pulse count of generation current, by to image data by frequency computation part, carry out typing computing to the parameter of electric machine of towing machine, obtain the real-time speed of towing machine, and by Data Comparison, obtain the judged result whether speed of towing machine is abnormal, and can Graphics Processing result in real time, it is quite convenient to operate.
The above; be only the utility model patent preferred embodiment; but the protection domain of the utility model patent is not limited thereto; anyly be familiar with those skilled in the art in the scope disclosed in the utility model patent; be equal to according to the technical scheme of the utility model patent and utility model design thereof and replaced or change, all belonged to the protection domain of the utility model patent.
Claims (9)
1. elevator traction machine is at device for monitoring speed when saving oneself that has a power failure, it is characterized in that: described device is handheld apparatus, comprise current acquisition module, shaping circuit module, data inputting module, data processing module and display module, described current acquisition module, shaping circuit module are connected successively with data processing module, and described data inputting module is connected with data processing module respectively with display module; Wherein:
Described current acquisition module, for gathering the inducing current produced when target towing machine winding is saved oneself;
Described shaping circuit module, for the current waveform of collection is shaped as square wave, and sends square-wave signal;
Described data inputting module, for typing towing machine correlation parameter and standard speed parameter;
Described data processing module, for analyzing square-wave signal, and storage signal analysis result, towing machine correlation parameter and standard speed parameter, then processes storage data, obtains the real-time speed of towing machine and the whether abnormal judged result of speed;
Described display module, for showing the whether abnormal judged result of towing machine correlation parameter, the real-time speed of towing machine and speed.
2. elevator traction machine according to claim 1 is at device for monitoring speed when saving oneself that has a power failure, and it is characterized in that: described device also comprises alarm module, described alarm module is connected with data processing module.
3. elevator traction machine according to claim 2 is at device for monitoring speed when saving oneself that has a power failure, and it is characterized in that: described alarm module is buzzer phone.
4. elevator traction machine according to claim 2 is at device for monitoring speed when saving oneself that has a power failure, it is characterized in that: described device also comprises power module, described power module is used for powering for current acquisition module, shaping circuit module, data inputting module, data processing module, display module and alarm module.
5. elevator traction machine according to claim 2 is at device for monitoring speed when saving oneself that has a power failure, it is characterized in that: described shaping circuit module, data processing module and alarm module are arranged on a control desk, described data inputting module installation is on a tablet, and described display module is arranged on a display panel.
6. elevator traction machine according to claim 1 is at device for monitoring speed when saving oneself that has a power failure, and it is characterized in that: described data inputting module comprises keyboard scan control circuit and code counting circuit.
7. elevator traction machine according to claim 1 is at device for monitoring speed when saving oneself that has a power failure, and it is characterized in that: described current acquisition module is current sensing elements.
8. elevator traction machine according to claim 1 is at device for monitoring speed when saving oneself that has a power failure, and it is characterized in that: described data processing module is singlechip chip.
9. elevator traction machine according to claim 1 is at device for monitoring speed when saving oneself that has a power failure, and it is characterized in that: described display module is LCDs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520703856.5U CN204999461U (en) | 2015-09-11 | 2015-09-11 | Speed monitoring devices of elevator hauler when power failure is saved oneself |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520703856.5U CN204999461U (en) | 2015-09-11 | 2015-09-11 | Speed monitoring devices of elevator hauler when power failure is saved oneself |
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|---|---|
| CN204999461U true CN204999461U (en) | 2016-01-27 |
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ID=55156358
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|---|---|---|---|
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105084149A (en) * | 2015-09-11 | 2015-11-25 | 广州广日电梯工业有限公司 | Speed monitoring device and method of elevator tractor in power failure self-rescue |
| CN108394780A (en) * | 2018-04-17 | 2018-08-14 | 快意电梯股份有限公司 | Machine-roomless lift Survivable Control System |
| CN111521865A (en) * | 2020-05-28 | 2020-08-11 | 深圳市通用互联科技有限责任公司 | Voltage monitoring system |
-
2015
- 2015-09-11 CN CN201520703856.5U patent/CN204999461U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105084149A (en) * | 2015-09-11 | 2015-11-25 | 广州广日电梯工业有限公司 | Speed monitoring device and method of elevator tractor in power failure self-rescue |
| CN105084149B (en) * | 2015-09-11 | 2017-06-13 | 广州广日电梯工业有限公司 | Elevator traction machine is in the device for monitoring speed and method when saving oneself of having a power failure |
| CN108394780A (en) * | 2018-04-17 | 2018-08-14 | 快意电梯股份有限公司 | Machine-roomless lift Survivable Control System |
| CN111521865A (en) * | 2020-05-28 | 2020-08-11 | 深圳市通用互联科技有限责任公司 | Voltage monitoring system |
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