CN208716616U - A kind of elevator device safety return circuit signal supervisory instrument of non-intrusion type - Google Patents
A kind of elevator device safety return circuit signal supervisory instrument of non-intrusion type Download PDFInfo
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- CN208716616U CN208716616U CN201821146740.6U CN201821146740U CN208716616U CN 208716616 U CN208716616 U CN 208716616U CN 201821146740 U CN201821146740 U CN 201821146740U CN 208716616 U CN208716616 U CN 208716616U
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Abstract
The elevator device safety return circuit signal supervisory instrument of non-intrusion type provided by the utility model, the current signal of elevator device safety return circuit signal is obtained in a manner of the primary elevator device safety return circuit of non-intruding current transformer, the current signal is parsed by the signal resolution plate and is sent to the collection plate, and the working condition that collection plate processing judgement after the current signal of parsing obtains the elevator device safety return circuit completes detection function；The detection device installation site is flexible, can detect the current signal of any position signal wire, the parsing by parsing plate to current signal, and the monitoring result that the processing of collection plate intelligent algorithm obtains the detection device is accurate；The selection of signal resolution plate, which makes the detection device both, can detect DC signal or can detecte ac signal, versatile.
Description
Technical field
The utility model relates to a kind of elevator device safety return circuit signal supervisory instrument, a kind of non-intrusion type is especially designed
Elevator device safety return circuit signal supervisory instrument.
Background technique
With the fast development of China's economic, the amount of coming into operation of elevator is increased rapidly, as special equipment, is run
Safety receives significant attention.Periodic maintenance of the safety guarantee of elevator operation mainly by quality supervision department's periodic inspection and maintenance unit
Maintenance, but due to the sharp increase of elevator quantity, cause administrator is hand-tight to lack, it is difficult to it realizes and elevator faults is found and adopted in time
Take effective measures.Because being related to the direct feedback of elevator safety performance, the detection of the safety return circuit of elevator device seems especially heavy
It wants.Currently, using mode is directly invaded, by the sensor signal of original elevator control system, mainboard input/output signal, motor
The advantages of information of the needs such as driving signal acquisition is connected directly to redundancy acquisition device, this method is by direct
The information of original elevator control system is acquired, is implemented simple, at low cost.However this mode also results in some drawbacks, sampling
Circuit directly invades primary elevator controlling circuit and inevitably impacts to native system, and elevator can be interfered when serious
It operates normally, elevator faults rate is caused to improve.
On the other hand, the information collecting device versatility of existing lift running safety monitoring system is poor, in different product
Under the different control system frameworks of board elevator, the part signal avatar of elevator operation is had differences, or even can not be from original
It is directly led out in system, the acquisition of elevator operation information often has type or quantitative missing, in turn results in operational monitoring
System can not be normally carried out logic judgment, even to the conclusion to make mistake, and to elevator position false judgment occurs for this kind, in elevator
Oppressive event sue and labour and elevator daily maintenance during cause tremendous influence, or even casualties occurs, is lacked for above-mentioned
Point needs to propose to improve to the prior art.
Utility model content
The utility model provides a kind of elevator device safety return circuit signal supervisory instrument of non-intrusion type, and the detection device is logical
The mode for crossing non-intrusion type obtains the signal of elevator device safety return circuit to analyze the operation conditions of safety return circuit, monitoring result
Precisely, versatile.
The utility model provides a kind of elevator device safety return circuit signal supervisory instrument of non-intrusion type, is applied to an electricity
The safety return circuit of terraced system, the electrically coupled in series switch and a master control borad for having several elevator safety components of the safety return circuit, the signal
Detection device is adopted including an at least current transformer, at least one with the one-to-one signal resolution plate of the current transformer and one
Collect plate, the current transformer is nested in the signal wire between the safety component or between the safety component and master control borad
On, it is used to detect the current signal for acquiring the signal wire, the signal resolution plate is electrically connected the current transformer, described
Collection plate is electrically connected the signal resolution plate, and the current transformer is for detecting the current signal for acquiring the signal wire, institute
Signal resolution plate is stated for parsing the current signal of the current transformer acquisition and exporting analytic signal, the collection plate is used for
It handles the analytic signal of the parsing plate and exports a signal state data.The elevator device safety return circuit signal of the non-intrusion type
Detection device obtains elevator device safety return circuit in a manner of the primary elevator device safety return circuit of non-intruding current transformer
The current signal of signal parses the current signal by the signal resolution plate and is sent to the collection plate, the acquisition
The working condition that plate processing judgement after the current signal of parsing obtains the elevator device safety return circuit completes detection function.
Preferably, the safety return circuit be in series with a car top scram button, scram button in a sedan-chair, security window switch,
One safety gear switch, a governor switch, a limit inferior switchs and a control cabinet scram button.
Preferably, the detection device is arranged in the carriage of elevator, and the current transformer is nested in the sedan-chair and has to go to the toilet
Stop on the signal wire connected between button and security window switch.
Preferably, the detection device is arranged in computer room control cabinet, and the current transformer is nested in the control cabinet
On the signal wire connected between scram button and the master control borad.
Preferably, the current transformer is coil type current transformer, and what it is due to device detection is in safety return circuit
Low current signal, for the sensitivity for improving mutual inductor, the magnetic core of the coil type current transformer is permalloy or amorphous
Soft magnetic core, the magnetic core have the advantages that high permeability, low remanent magnetism, low-coercivity.
Preferably, the parsing plate is that ac signal parses plate, and the ac signal parsing plate includes that a difference is put
Big module, a precision rectifying module, a low-pass filtering module and an amplitude, offset adjustment module, are used to parse exchange telecommunications
Number.
Preferably, the parsing plate is that DC signal parses plate, and the DC signal parsing plate swashs including a square wave
Magnetic module, a low-pass filtering module and an amplitude, offset adjustment module, are used to parse DC signal.
Preferably, the elevator device safety return circuit signal supervisory instrument of the non-intrusion type further includes a data processing net
It closes, be used to receive the signal state data of the collection plate output and be packaged sending.
Preferably, the elevator device safety return circuit signal supervisory instrument of the non-intrusion type further includes a network server,
It is used to receive the signal state data that the data processing gateway is sent.
The elevator device safety return circuit signal supervisory instrument of non-intrusion type provided by the utility model, passes through current transformer
The current signal that elevator device safety return circuit signal is obtained in a manner of the primary elevator device safety return circuit of non-intruding, by described
Signal resolution plate parses the current signal and is sent to the collection plate, current signal of the collection plate processing by parsing
The working condition that judgement obtains the elevator device safety return circuit afterwards completes detection function；The detection device installation site is flexible,
The current signal of detectable any position signal wire, the parsing by parsing plate to current signal, the place of collection plate intelligent algorithm
It is accurate to manage the monitoring result for obtaining the detection device；The selection of signal resolution plate makes the detection device both can detect direct current telecommunications
Number it also can detecte ac signal, it is versatile.
Detailed description of the invention
Fig. 1 is that the elevator device safety return circuit signal supervisory instrument overall situation circuit of non-intrusion type provided by the utility model shows
It is intended to；
Fig. 2 is the partial schematic diagram of safety return circuit in Fig. 1；
Fig. 3 is the partial schematic diagram of safety return circuit in Fig. 1
Fig. 4 be non-intrusion type provided by the utility model elevator device safety return circuit signal supervisory instrument in exchange telecommunications
The partial schematic diagram of number measure loop；
Fig. 5 is direct current telecommunications in the elevator device safety return circuit signal supervisory instrument of non-intrusion type provided by the utility model
The partial schematic diagram of number measure loop.
Specific embodiment
With reference to the accompanying drawing to a kind of elevator device safety return circuit signal inspection of non-intrusion type provided by the utility model
It surveys device to be described further, it should be pointed out that below only with a kind of technical solution of optimization to the skill of the utility model
Art scheme and design principle are described in detail.
Refering to fig. 1, Fig. 2 and Fig. 3, the utility model provide a kind of elevator device safety return circuit signal detection of non-intrusion type
Device, is applied to the safety return circuit 1 of an elevator device, and the safety return circuit 1 includes concatenated several elevator safety components
Switch and a master control borad 111, the signal supervisory instrument include an at least current transformer 2, at least one and the current transformer
One-to-one signal resolution plate 3 and a collection plate 4；The current transformer 2 is nested between the safety component or described
On a signal wire between safety component and master control borad 111, it is used to detect the current signal for acquiring the signal wire, the letter
Number parsing plate 3 be electrically connected the current transformer 2, the collection plate 4 is electrically connected the signal resolution plate 3, the Current Mutual Inductance
Device 2 is adopted for detecting the current signal for acquiring the signal wire, the signal resolution plate 3 for parsing the current transformer 2
The current signal of collection simultaneously exports analytic signal, and the collection plate 4 is used to handle the analytic signal of the parsing plate 3 and exports a letter
Number status data.The elevator device safety return circuit signal supervisory instrument of the non-intrusion type is by current transformer 2 with non-intruding original
The mode of raw elevator device safety return circuit 1 obtains the current signal of 1 signal wire of elevator device safety return circuit, passes through the signal solution
Analysis plate 3 parses the current signal and is sent to the collection plate 4, and the collection plate 4 is handled by intelligent algorithm by parsing
Current signal after judgement obtain the elevator device safety return circuit working condition complete detection function；The intelligent algorithm is such as
Under:
The collection plate 4 switchs to numeric form by A/D to the output voltage of signal resolution plate 3, then carries out to the numerical value
Sliding average value filtering exports AdcValue, wherein AdcValue=(Adc [t-n]+...+Adc [t-3]+Adc [t-2]+
Adc[t-1]+Adc[t])/n；Appropriate window size is selected, can guarantee that data update in time and reduce interference, adopted in the present embodiment
Use n=10；For the characteristic of elevator device, there are redundant signal lines for elevator device, and may detecting solid wire, there are short time quilts
, there is false judgment in bypass, needs to be delayed and avoid；The current signal of detection there may be not of uniform size, need to using upper limit threshold,
Lower threshold quantifies detection signal；Its state judgement are as follows: when above-mentioned AdcValue is greater than upper limit threshold H and delay value reaches
When to time threshold t, quantity of state S=1；When above-mentioned AdcValue is less than lower threshold L and delay value reaches time threshold t
When, quantity of state S=0；Quantity of state S output is finally carried out, which supports Digital I/O output, universal serial bus form defeated
Out.
Wherein, the delay value, upper limit threshold, lower threshold can be configured in installation and debugging.In the present embodiment
Output state respectively corresponds are as follows: when S=0, safety return circuit is abnormal；When S=1, safety return circuit is normal.
Preferably, refering to Fig. 2 and Fig. 3, the safety return circuit is in series with a car top scram button 13, scram button in a sedan-chair
14, a security window switch 15, a safety gear switch 16, a governor switch 17, a limit inferior switchs 18, other safety components are opened
Pass 19 and a control cabinet scram button 110.
Preferably, referring to Fig.2, the current transformer 2 is nested in scram button 14 and security window switch 15 in the sedan-chair
Between a signal wire on.
Preferably, refering to Fig. 3, the current transformer 2 is nested between the control cabinet emergency stop switch 110 and master control borad
A signal wire on.
Preferably, the current transformer 2 is coil type current transformer, and what it is due to device detection is in safety return circuit
Low current signal, for the sensitivity for improving mutual inductor, the magnetic core of the coil type current transformer is permalloy or amorphous
Soft magnetic core, the magnetic core have the advantages that high permeability, low remanent magnetism, low-coercivity.
Preferably, refering to Fig. 4, in the present embodiment, the parsing plate is that ac signal parses plate 31, the exchange telecommunications
Number parsing plate 31 include a differential amplification module 311, a precision rectifying module 312, a low-pass filtering module 313 and an amplitude,
Offset adjustment module 314, is used to parse ac signal, realization principle is as follows:
It is nested on a signal wire of exchange safety return circuit 11 by current transformer 2 micro- in the detection acquisition signal wire
Weak ac signal is simultaneously exported to ac signal parsing plate 31, and the ac signal first passes through the difference in parsing plate 31
The big multiplying power of amplifier 311 amplification, after by precision rectifying module 312 carry out rectification form positive half cycle key player on a team's waveform, using low
It is directly proportional to weak output signal alternating current size that approximate average size is exported after pass filtering module, is finally adjusted by amplitude, offset
Mould preparation block adjustment signal magnification ratio and bias voltage obtain an output signal.
Preferably, refering to Fig. 5, in the present embodiment, the parsing plate is that DC signal parses plate 32, the direct current telecommunications
Number parsing plate 32 include a square wave excitation module 321, a low-pass filtering module 322 and an amplitude, offset adjustment module 323,
For parsing DC signal, realization principle is as follows:
It is nested in by current transformer 2 micro- in the detection acquisition signal wire on a signal wire of direct current safety return circuit 12
Weak DC signal, the DC signal form bias magnetic field in the magnetic core of current transformer, lead to the magnetization road of magnetic core
The no longer positive negative direction of diameter generation offset is symmetrical, and under the action of square wave excitation module 321 parsed in plate 32, correspondence is secondary
Positive negative direction excitation current deviates therewith on lateral coil, swashs to second siding ring forward and reverse much larger than under primary side signal frequency
Magnetic, the DC signal are exported to low-pass filtering module 322, export approximate average size and faint DC signal size
It is directly proportional, using amplitude, offset adjustment module adjustment signal magnification ratio and bias voltage, obtain an output signal.
Preferably, refering to fig. 1, the elevator device safety return circuit signal supervisory instrument of the non-intrusion type further includes a data
Processing gateway 5 is used to receive the signal state data of the collection plate output and is packaged sending.
Preferably, refering to fig. 1, the elevator device safety return circuit signal supervisory instrument of the non-intrusion type further includes a network
Server 6 is used to receive the signal state data that the data processing gateway 5 is sent.
In addition, refering to fig. 1, which can be applied to multiple elevator safety loops in elevator device, specific implementation are as follows: point
Not by multiple current transformers 2, the multiple and one-to-one signal resolution plate 3 of current transformer 2 and multiple and signal resolution plate
3 one-to-one collection plates 4 are arranged on the multiple elevator safety loop, and the processing signal of the multiple collection plate 4 passes through
Data processing gateway 5 is sent to detection of the completion of server 6 to elevator safety loops multiple in elevator device.
The elevator device safety return circuit signal supervisory instrument of non-intrusion type provided by the utility model, passes through current transformer
The current signal that elevator device safety return circuit signal is obtained in a manner of the primary elevator device safety return circuit of non-intruding, by described
Signal resolution plate parses the current signal and is sent to the collection plate, current signal of the collection plate processing by parsing
The working condition that judgement obtains the elevator device safety return circuit afterwards completes detection function；The detection device installation site is flexible,
The current signal of detectable any position signal wire, the parsing by parsing plate to current signal, the place of collection plate intelligent algorithm
It is accurate to manage the monitoring result for obtaining the detection device；The selection of signal resolution plate makes the detection device both can detect direct current telecommunications
Number it also can detecte ac signal, it is versatile.
Above are merely preferred embodiments of the utility model, it is noted that above-mentioned preferred embodiment should not regard
For limitations of the present invention, the protection scope of the utility model should be defined by the scope defined by the claims..For
For those skilled in the art, without departing from the spirit and scope of the utility model, it can also make several
Improvements and modifications, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (9)
1. a kind of elevator device safety return circuit signal supervisory instrument of non-intrusion type, the safety for being applied to an elevator device is returned
Road, the safety return circuit include the switch and a master control borad of concatenated several elevator safety components, which is characterized in that signal inspection
Surveying device includes:
An at least current transformer, the current transformer is nested between the safety component or the safety component and master control
On a signal wire between plate, for detecting the current signal for acquiring the signal wire；
At least one with the one-to-one signal resolution plate of the current transformer, the current transformer is electrically connected, for solving
It analyses the current signal of the current transformer acquisition and exports analytic signal；And
One collection plate is electrically connected the signal resolution plate, for handling the analytic signal and exporting a signal state data.
2. the elevator device safety return circuit signal supervisory instrument of non-intrusion type according to claim 1, which is characterized in that institute
The switch for stating the concatenated safety component of safety return circuit includes: a car top scram button, scram button, a security window are opened in a sedan-chair
Pass, a safety gear switch, a governor switch, a limit inferior switchs and a control cabinet scram button.
3. the elevator device safety return circuit signal supervisory instrument of non-intrusion type according to claim 2, which is characterized in that institute
Detection device is stated to be arranged in the carriage of elevator, the current transformer be nested in the carriage scram button and the safety
On the signal wire connected between window switch.
4. the elevator device safety return circuit signal supervisory instrument of non-intrusion type according to claim 2, which is characterized in that institute
It states detection device to be arranged in computer room control cabinet, the current transformer is nested in the control cabinet scram button and the master control
On the signal wire connected between plate.
5. the elevator device safety return circuit signal supervisory instrument of non-intrusion type according to claim 1, which is characterized in that institute
Stating current transformer is coil type current transformer.
6. the elevator device safety return circuit signal supervisory instrument of non-intrusion type according to claim 1, which is characterized in that institute
Stating parsing plate is that ac signal parses plate, and the ac signal parsing plate includes a differential amplification module, a precision rectifying
Module, a low-pass filtering module and an amplitude, offset adjustment module.
7. the elevator device safety return circuit signal supervisory instrument of non-intrusion type according to claim 1, which is characterized in that institute
Stating parsing plate is that DC signal parses plate, and the DC signal parsing plate includes a square wave excitation module, a low-pass filtering
Module and an amplitude, offset adjustment module.
8. the elevator device safety return circuit signal supervisory instrument of non-intrusion type according to claim 1, which is characterized in that should
Detection device further includes a data processing gateway, is used to receive the signal state data of the collection plate output and is packaged hair
Out.
9. the elevator device safety return circuit signal supervisory instrument of non-intrusion type according to claim 8, which is characterized in that should
Detection device further includes a network server, is used to receive the signal state data that the data processing gateway is sent.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821146740.6U CN208716616U (en) | 2018-07-19 | 2018-07-19 | A kind of elevator device safety return circuit signal supervisory instrument of non-intrusion type |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821146740.6U CN208716616U (en) | 2018-07-19 | 2018-07-19 | A kind of elevator device safety return circuit signal supervisory instrument of non-intrusion type |
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| CN208716616U true CN208716616U (en) | 2019-04-09 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110562811A (en) * | 2019-09-12 | 2019-12-13 | 苏州汇川技术有限公司 | Safety loop state detection device and elevator system |
| CN114057050A (en) * | 2020-08-04 | 2022-02-18 | 福州开发区创达电子有限公司 | Method for monitoring electric signals of elevator safety loop |
-
2018
- 2018-07-19 CN CN201821146740.6U patent/CN208716616U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110562811A (en) * | 2019-09-12 | 2019-12-13 | 苏州汇川技术有限公司 | Safety loop state detection device and elevator system |
| CN110562811B (en) * | 2019-09-12 | 2021-11-19 | 苏州汇川技术有限公司 | Safety loop state detection device and elevator system |
| CN114057050A (en) * | 2020-08-04 | 2022-02-18 | 福州开发区创达电子有限公司 | Method for monitoring electric signals of elevator safety loop |
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| TR01 | Transfer of patent right |
Effective date of registration: 20190902 Address after: 510535 No. 1 of the fourth floor office of No. 11 B9 Kaiyuan Avenue, Huangpu District, Guangzhou City, Guangdong Province (self-declaration) Patentee after: Guangzhou Lixinwulian Technology Co., Ltd. Address before: 510535 Unit 501, Fifth Floor, Building A4, 11 Kaiyuan Avenue, Guangzhou Economic and Technological Development Zone, Guangzhou, Guangdong Province Patentee before: Guangzhou Kuznetsov Robot Technology Co Ltd |
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| TR01 | Transfer of patent right |