CN107845540A - A kind of A.C. contactor supervising device and A.C. contactor online monitoring system - Google Patents
A kind of A.C. contactor supervising device and A.C. contactor online monitoring system Download PDFInfo
- Publication number
- CN107845540A CN107845540A CN201711244574.3A CN201711244574A CN107845540A CN 107845540 A CN107845540 A CN 107845540A CN 201711244574 A CN201711244574 A CN 201711244574A CN 107845540 A CN107845540 A CN 107845540A
- Authority
- CN
- China
- Prior art keywords
- contactor
- microprocessor
- sensor
- vibration
- spring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
- H01H47/002—Monitoring or fail-safe circuits
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/08—Indicators; Distinguishing marks
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
A kind of A.C. contactor supervising device and A.C. contactor online monitoring system, including：Power module, spring amplification module, sensor assembly, microprocessor.The power module is connected to be powered respectively with the sensor assembly, microprocessor.The second end that the spring amplification module has to connect the first end of the moving contact of A.C. contactor, be connected to the sensor assembly, the spring amplification module amplify the Oscillation Amplitude of the moving contact to conduct.The sensor assembly will detect Oscillation Amplitude information and vibration frequency information transmission to the microprocessor to be handled to detect the Oscillation Amplitude and vibration frequency of the spring amplification module.The present invention realizes intuitively reflection and monitoring and convenient Centralized Monitoring and accident analysis to A.C. contactor internal abnormality situation.
Description
Technical field
The present invention relates to A.C. contactor technical field, more particularly to a kind of A.C. contactor supervising device and exchange to connect
Tentaculum online monitoring system.
Background technology
A.C. contactor is mainly used in not by the operation repeatedly and control of position limitation.It is important in automatic control system
One ring.Its most important construction is exactly iron core and contact, because contact is the main executable portion of electrical equipment, there is make and break circuit
Function.In having the switchgear of contact, most important is all contact.
A.C. contactor dynamic and static contact in making process can be collided and be bounced.Because contact bounce amplitude is excessive,
Its deformation prescribed limit has been even more than it, then the dynamic and static contact of A.C. contactor is easily separated so as to there is electric arc.Electric arc
High temperature alloy material on contact face can be made to melt and splash, influence electric life and service life of a machine, or even it is directly contributed
Damage.Spring during A.C. contactor adhesive between contact is in certain index and scope progress, under equal voltage, contact
The on-off times and spring number of device can correspond.If go beyond the scope, you can therefrom to judge to occur inside contactor
Damage, so as to judging the integrality of A.C. contactor.
Existing A.C. contactor supervising device is to use to adopt the electric current between moving contact and static contact and voltage
Collection collects and shown the purpose for reaching monitoring dynamic/static contact operating voltage and electric current, by sentencing to operating voltage and current values
The disconnected performance to A.C. contactor judges that system installation trouble, numerical value display mode is not easy intuitively to analyze contact damage
Problem, it is also difficult to large-scale application, can not also realize the concentration prison of multiple A.C. contactor supervising device terminals in regional extent
Control, application effect are extremely limited.
The content of the invention
A kind of the shortcomings that it is an object of the invention to overcome above-mentioned prior art, there is provided A.C. contactor spring supervising device
And contactor online monitoring system, the amplitude of moving contact spring is monitored, bounce frequency and spring width to moving contact
The problem of degree is reacted, and generates spring curve, and help staff intuitively analyzes A.C. contactor, and pass through wireless network
The upload for completing multiple A.C. contactor terminal spring situation data collects, and completes in a wide range of interior multiple A.C. contactors
Moving contact spring information collect, facilitate staff's Centralized Monitoring.
In order to solve the above technical problems, present invention employs following technical measures：The exchange with following structure is provided to connect
Tentaculum spring supervising device, including：Power module, spring amplification module, sensor assembly, microprocessor；
The power module is connected to be powered respectively with the sensor assembly, microprocessor；
The spring amplification module has to connect the first end of the moving contact of A.C. contactor, be connected to the sensing
Second end of device module, the spring amplification module amplify the Oscillation Amplitude of the moving contact to conduct；
The sensor assembly shakes detection to detect the Oscillation Amplitude and vibration frequency of the spring amplification module
Amplitude information and vibration frequency information transmission are moved to the microprocessor to be handled.
As further improved, the spring amplification module includes drive link and support unit, and the drive link supports
It can be swung up and down on the support unit and drive link left and right ends；The sensor assembly include vibration frequency sensor and
Vibration amplitude sensor；To connect the moving contact, the left end of the drive link is configured with described the right-hand member of the drive link
Vibration amplitude sensor；Can be by driving the drive link to drive the vibration amplitude sensor to live during the moving contact vibration
Dynamic, the vibration frequency sensor is detecting the vibration frequency of the drive link.
As further improved, the vibration frequency sensor is connected with the microprocessor, is shaken what is detected
Dynamic frequency information is sent to the microprocessor；
The vibration amplitude sensor is connected to the microprocessor by signal amplifier, and the signal amplifier can be right
The Oscillation Amplitude information of the vibration amplitude sensor detection is sent to the microprocessor after being amplified；
As further improved, the A.C. contactor supervising device is also comprising a nothing for being connected to the microprocessor
Line communication module, with the processing information of microprocessor described in remote transmission.
The invention also discloses a kind of online monitoring system of A.C. contactor, including the A.C. contactor supervising device
And wireless data receipt modules, database and Operation display module, the wireless data receipt modules and the operation are shown
Module is connected on the database；
The wireless data receipt modules can receive the processing information transmitted by the wireless communication module to be stored in
The database, the Operation display module show the processing information to transfer.
Compared with prior art, the present invention has advantages below：
1st, by using the spring amplification module, the mechanical movement to the moving contact of the A.C. contactor carries out simple
Reaction, reduce system complexity, it is not necessary to gather the voltage and current at the moving contact both ends of A.C. contactor, be also not required to
Record disconnected conjunction number, it is only necessary to which, by recording spring number and the problem of implementation analysis of spring amplitude can, system is succinctly easy
Installed with convenient.
2nd, by using the spring amplification module and the sensor assembly, to the machinery of the moving contact of A.C. contactor
Motion is directly reacted, and correspondingly reacts the moving contact of the A.C. contactor by the change in electric of the sensor assembly
Mechanical movement, and generate spring change curve, facilitate staff to be visually known the motion conditions of moving contact, be easy to directly
Analyze the problem of occurring inside the A.C. contactor.
3rd, the information that A.C. contactor spring supervising device obtains is uploaded by the wireless communication module,
Carry out collecting generation area to uploading data by the wireless data receipt modules, the database and the Operation display module
The moving contact spring change curve of multiple A.C. contactor spring supervising devices, facilitates staff's Centralized Monitoring to sentence in domain
The running status of the moving contact of disconnected multiple A.C. contactors.
Brief description of the drawings
Fig. 1 is the structure chart of A.C. contactor provided in an embodiment of the present invention spring supervising device；
Fig. 2 is the schematic diagram of the spring amplification module of A.C. contactor provided in an embodiment of the present invention spring supervising device；
Fig. 3 is the schematic diagram of the sensor assembly of A.C. contactor provided in an embodiment of the present invention spring supervising device；
Fig. 4 is the structure chart of A.C. contactor online monitoring system provided in an embodiment of the present invention；
Icon：1- A.C. contactors spring supervising device；10- power modules；11- spring amplification modules；111- drive links；
112- support units；12- sensor assemblies；121- vibration frequency sensors；122- vibration amplitude sensors；13- signals amplify
Device；14- microprocessors；15- wireless communication modules；The moving contact of 16- A.C. contactors；2- A.C. contactor on-line monitorings system
System；20- wireless data receipt modules；21- databases；22- Operation display modules.
Embodiment
To make the purpose, technical scheme and advantage of this patent clearer, below in conjunction with attached in the embodiment of the present invention
Figure, the technical scheme in the embodiment of the present invention is clearly and completely described, below in conjunction with the accompanying drawings with embodiment pair
The present invention is described in further detail.
Please with reference to Fig. 1, Fig. 2 and Fig. 3, the present invention provides a kind of A.C. contactor supervising device 1, to monitor exchange
The spring situation of the moving contact of contactor, including：Power module 10, spring amplification module 11, sensor assembly 12, microprocessor
14；
The power module 10 is connected to be powered respectively with the sensor assembly 12, microprocessor 14；
The spring amplification module 11 has to connect the first end of the moving contact of A.C. contactor, be connected to the biography
Second end of sensor module 12, the spring amplification module 11 amplify the Oscillation Amplitude of the moving contact to conduct；
The sensor assembly 12 will be examined to detect the Oscillation Amplitude and vibration frequency of the spring amplification module 11
Vibration measuring moves amplitude information and vibration frequency information transmission to the microprocessor 14 to be handled.
Fig. 2 and Fig. 3 are refer to, in the first embodiment of the present invention, the spring amplification module 11 includes drive link 111
With support unit 112, the drive link 111 is supported on the support unit 112 and the left and right ends of drive link 111 can go up the bottom
It is dynamic；The sensor assembly 12 includes vibration frequency sensor 121 and vibration amplitude sensor 122；The right-hand member of the drive link
To connect the moving contact, the left end of the drive link 111 is configured with the vibration amplitude sensor 122；The moving contact
Can be by driving the drive link 111 to drive the activity of vibration amplitude sensor 122, the vibration frequency sensor during vibration
121 detecting the vibration frequency of the drive link 111.Drive link 111 uses lever, and support unit 112 uses support, lever
It is movably fixed on support, the long arm end for selecting lever is the reception end of sensor assembly 12, and the insertion of the galianconism end of lever is handed over
The moving contact 16 of contactor is flowed, follows contact to shake, galianconism is 1 with long-armed length ratio:2.
The vibration frequency sensor 121 is connected with the microprocessor 14, and the vibration frequency information detected is sent out
Give the microprocessor 14.The vibration amplitude sensor 122 is connected to the microprocessor 14 by signal amplifier 13,
The Oscillation Amplitude information that the signal amplifier 13 can detect to the vibration amplitude sensor 122 is sent to institute after being amplified
State microprocessor 14.The sensitivity of vibration frequency sensor 121 is more sensitive, and when there is vibration, the frequency of imitated output quantity is fast,
Excursion is small, and exclusive PCR effect is good.The excursion of vibration amplitude sensor 122 is larger, but foil gauge is thin, and fitting is stable
Measured afterwards with lever more convenient when probe of contactor bounces, but perturbation is big.Vibration frequency sensor 121 and Oscillation Amplitude pass
Amplification module and analog-to-digital conversion are contained in sensor 122, is combined with the processing of follow-up microprocessor 14 more convenient.
The A.C. contactor supervising device 1 also includes a wireless communication module 15 for being connected to the microprocessor, with
The processing information of microprocessor 14 described in remote transmission.
Fig. 4 is refer to, the invention also discloses a kind of A.C. contactor online monitoring system 2, including is distributed in multiple areas
A.C. contactor supervising device 1 and wireless data receipt modules 20, the database 21 and Operation display module 22 in domain, the nothing
Line data reception module 20 and the Operation display module 22 are connected on the database 21.The wireless data receives
Module 20 can be received by the processing information of the wireless communication module 15 transmission to be stored in the database 21, the operation
Display module 22 shows the processing information to transfer.Realize that arbitrarily transferring required exchange connects by Operation display module 22
The data of the upload of tentaculum spring supervising device 1, it is convenient to carry out Centralized Monitoring and early warning.Operated and adjusted by Operation display module 22
Take the vibration frequency information of vibration frequency sensor 121 to generate the change curve of vibration frequency information and transfer Oscillation Amplitude biography
The change curve of the Oscillation Amplitude information generation Oscillation Amplitude information of sensor 122, because the sensitivity of vibration frequency sensor 121
More sensitive, when there is vibration, the frequency of imitated output quantity is fast, and excursion is small, and exclusive PCR effect is good, therefore according to vibration
The change curve of the Oscillation Amplitude information of the data output of frequency sensor 121 has accurately reflected the moving contact 16 of A.C. contactor
Vibration number, be to be believed according to the Oscillation Amplitude of the data output of vibration amplitude sensor 122 as vibration number reference data
The change curve of breath provides vibration number standard, because the excursion of vibration amplitude sensor 122 is larger, has to Oscillation Amplitude
Good respond, but foil gauge is thin, measured after fitting is stable with lever when the moving contact 16 of A.C. contactor bounces more
It is convenient, but perturbation is big, it is therefore desirable to and the change curve of vibration frequency information is carried out with reference to comparing, to vibration as normal data
The change curve of frequency information and the change curve of Oscillation Amplitude information, which can interpolate that with screen coordinate alignment comparison, specifically to shake
There is exception in Oscillation Amplitude in the range of dynamic frequency, is shaken according to the change curve to Oscillation Amplitude information with reference to various abnormal conditions
Emotionally the standards change curve of condition can interpolate that out the specific part that exception occurs in A.C. contactor.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God any modification, equivalent substitution and improvements done etc., should be included within the scope of protection of the invention with principle.
Claims (5)
- A kind of 1. A.C. contactor supervising device, to monitor the spring situation of the moving contact of A.C. contactor, it is characterised in that Including：Power module, spring amplification module, sensor assembly, microprocessor；The power module is connected to be powered respectively with the sensor assembly, microprocessor；The spring amplification module has to connect the first end of the moving contact of A.C. contactor, be connected to the sensor die Second end of block, the spring amplification module amplify the Oscillation Amplitude of the moving contact to conduct；Detection is vibrated width by the sensor assembly to detect the Oscillation Amplitude and vibration frequency of the spring amplification module Information and vibration frequency information transmission are spent to the microprocessor to be handled.
- 2. A.C. contactor supervising device according to claim 1, it is characterised in that the spring amplification module includes passing Lever and support unit, the drive link is supported on the support unit and drive link left and right ends can be swung up and down；It is described Sensor assembly includes vibration frequency sensor and vibration amplitude sensor；The right-hand member of the drive link is described dynamic tactile to connect Head, the left end of the drive link are configured with the vibration amplitude sensor；Can be by driving the biography during moving contact vibration Lever drives the vibration amplitude sensor activity, and the vibration frequency sensor is detecting the transmission vibration of bar frequency Rate.
- 3. A.C. contactor supervising device according to claim 2, it is characterised in that the vibration frequency sensor and institute Microprocessor connection is stated, the vibration frequency information detected is sent to the microprocessor；The vibration amplitude sensor is connected to the microprocessor by signal amplifier, and the signal amplifier can be to described The Oscillation Amplitude information of vibration amplitude sensor detection is sent to the microprocessor after being amplified.
- 4. A.C. contactor supervising device according to claim 3, it is characterised in that the A.C. contactor supervising device Also comprising a wireless communication module for being connected to the microprocessor, with the processing information of microprocessor described in remote transmission.
- 5. a kind of online monitoring system of A.C. contactor, it is characterised in that including the A.C. contactor prison described in claim 4 Control device and wireless data receipt modules, database and Operation display module, the wireless data receipt modules and the behaviour It is connected to as display module on the database；It is described to be stored in that the wireless data receipt modules can receive the processing information transmitted by the wireless communication module Database, the Operation display module show the processing information to transfer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711244574.3A CN107845540A (en) | 2017-11-30 | 2017-11-30 | A kind of A.C. contactor supervising device and A.C. contactor online monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711244574.3A CN107845540A (en) | 2017-11-30 | 2017-11-30 | A kind of A.C. contactor supervising device and A.C. contactor online monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107845540A true CN107845540A (en) | 2018-03-27 |
Family
ID=61663420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711244574.3A Pending CN107845540A (en) | 2017-11-30 | 2017-11-30 | A kind of A.C. contactor supervising device and A.C. contactor online monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107845540A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109855851A (en) * | 2019-01-25 | 2019-06-07 | 辽宁欣科电气股份有限公司 | A kind of A.C. contactor measuring mechanical characteristics method and device |
| WO2020069585A1 (en) * | 2018-10-04 | 2020-04-09 | Weg Drives & Controls - Automação Ltda. | Auxiliary module for an electromagnetic contactor |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103954912A (en) * | 2014-05-05 | 2014-07-30 | 上海沪工汽车电器有限公司 | Method for monitoring shaking of relay contacts of automobile junction box |
| CN104267334A (en) * | 2014-02-27 | 2015-01-07 | 何均匀 | Switch bouncing tester |
| CN204736093U (en) * | 2015-06-25 | 2015-11-04 | 厦门理工学院 | Emery wheel excircle detection device on throne that beats |
| CN105690258A (en) * | 2016-03-08 | 2016-06-22 | 华侨大学 | In-situ measurement method and device for radial run-out of grinding wheel |
| CN205620512U (en) * | 2016-03-11 | 2016-10-05 | 正泰电气股份有限公司 | Circuit breaker spring testing arrangement |
| CN206178105U (en) * | 2016-11-25 | 2017-05-17 | 国家电网公司 | Breaker closing resistance drops into process contact spring detection device |
| CN106951664A (en) * | 2017-04-26 | 2017-07-14 | 福州大学 | The automatic modeling and hardware-in-loop simulation method of a kind of contactor |
| CN107064786A (en) * | 2016-12-29 | 2017-08-18 | 西安工程大学 | A kind of 10kV breakers spring monitoring method |
-
2017
- 2017-11-30 CN CN201711244574.3A patent/CN107845540A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104267334A (en) * | 2014-02-27 | 2015-01-07 | 何均匀 | Switch bouncing tester |
| CN103954912A (en) * | 2014-05-05 | 2014-07-30 | 上海沪工汽车电器有限公司 | Method for monitoring shaking of relay contacts of automobile junction box |
| CN204736093U (en) * | 2015-06-25 | 2015-11-04 | 厦门理工学院 | Emery wheel excircle detection device on throne that beats |
| CN105690258A (en) * | 2016-03-08 | 2016-06-22 | 华侨大学 | In-situ measurement method and device for radial run-out of grinding wheel |
| CN205620512U (en) * | 2016-03-11 | 2016-10-05 | 正泰电气股份有限公司 | Circuit breaker spring testing arrangement |
| CN206178105U (en) * | 2016-11-25 | 2017-05-17 | 国家电网公司 | Breaker closing resistance drops into process contact spring detection device |
| CN107064786A (en) * | 2016-12-29 | 2017-08-18 | 西安工程大学 | A kind of 10kV breakers spring monitoring method |
| CN106951664A (en) * | 2017-04-26 | 2017-07-14 | 福州大学 | The automatic modeling and hardware-in-loop simulation method of a kind of contactor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020069585A1 (en) * | 2018-10-04 | 2020-04-09 | Weg Drives & Controls - Automação Ltda. | Auxiliary module for an electromagnetic contactor |
| CN109855851A (en) * | 2019-01-25 | 2019-06-07 | 辽宁欣科电气股份有限公司 | A kind of A.C. contactor measuring mechanical characteristics method and device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102622863B (en) | System for monitoring real-time status of damage, upwarp and theft of pit well cover | |
| TWI404962B (en) | Battery monitoring system | |
| CN205581273U (en) | Motor fault monitoring device based on thing networking | |
| US20220341993A1 (en) | Electrical system with on-line sampling verification function and verification method thereof | |
| CN106646210A (en) | On-load tap-changer state online monitoring system | |
| CN111193806A (en) | Electromechanical device real-time monitoring system based on internet of things technology | |
| US20110309943A1 (en) | Self-diagnosing transmission system | |
| CN107845540A (en) | A kind of A.C. contactor supervising device and A.C. contactor online monitoring system | |
| CN106443362A (en) | Power distribution network fault detection system | |
| CN202210709U (en) | Distribution transformer real time monitoring system | |
| CN107607157A (en) | Transformer detecting system | |
| KR102000431B1 (en) | Apparatus for monitoring transformer using ultrasonic waves | |
| CN203350410U (en) | Health degree online monitoring system of vacuum circuit breaker | |
| CN102445654A (en) | On-line monitor for mechanical characteristic of on-load tap-changer of power transformer | |
| CN100487397C (en) | Monitoring system for converting station electric power electrical apparatus temperature and working method thereof | |
| CN202188912U (en) | Power bus temperature measuring system | |
| CN207215977U (en) | A kind of switchgear Intelligent Measurement terminal | |
| JP6663346B2 (en) | Plant equipment diagnosis system | |
| CN207150262U (en) | A kind of cable terminal on-line monitoring system | |
| CN202502608U (en) | System for monitoring damage, tilting, and stolen states of cellar well cover in real time manner | |
| JP2000099484A (en) | Diagnostic system | |
| CN205352596U (en) | Stress detection device of high tension switchgear spring operating mechanism | |
| CN102914370A (en) | On-line temperature monitoring device for high-voltage electric equipment | |
| CN201133844Y (en) | Wireless temperature measuring device | |
| CN215893678U (en) | Electric switch cabinet with temperature and humidity monitoring function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180327 |
|
| WD01 | Invention patent application deemed withdrawn after publication |