CN202282544U - Carbon brush wear detection apparatus and carbon brush wear alarm system - Google Patents
Carbon brush wear detection apparatus and carbon brush wear alarm system Download PDFInfo
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- CN202282544U CN202282544U CN2011203866347U CN201120386634U CN202282544U CN 202282544 U CN202282544 U CN 202282544U CN 2011203866347 U CN2011203866347 U CN 2011203866347U CN 201120386634 U CN201120386634 U CN 201120386634U CN 202282544 U CN202282544 U CN 202282544U
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- carbon brush
- transducer
- submounts
- copper ring
- distance measuring
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Abstract
The utility model provides a carbon brush wear detection apparatus and a carbon brush wear alarm system, wherein the carbon brush wear detection apparatus comprises a sensor and a distance measuring and calculating unit, the sensor is connected with a carbon brush, the distance measuring and calculating unit is used for emitting a distance measuring signal to a current collector copper ring, the distance between the carbon brush and the current collector copper ring is determined according to the time difference between a second time and a first time, the first time is the time for the distance signal to be emitted from the sensor, and the second time is the time for the distance measuring signal to be returned to the sensor after being reflected by the current collector copper ring. The system employs a non-contact sensor to monitor the distance between the carbon brush and the current collector copper ring, thereby increasing carbon brush wear detection precision, and further better preventing safety accident caused by current collector carbon brush wear from occuring.
Description
Technical field
The utility model relates to current-collector, relates in particular to a kind of carbon brush wear detector and brush system that is used for centre collector ring.
Background technology
Centre collector ring can cause wearing and tearing to carbon brush in rotary course, particularly long-time wearing and tearing can cause the current-collector loose contact, and cause electric spark.If can not find and change carbon brush timely, serious security incident possibly occur.Therefore, be necessary the degree of wear of carbon brush is monitored, when the carbon brush wearing and tearing reached the critical point of use, alarm the staff in time changed.
At present; To the detection of carbon brush wearing and tearing mainly based on the contact detection technique; Its principle is through the signal brush is installed on the carbon brush both sides; Between signal brush and the transmission of electricity guide rail certain interval is arranged, when carbon brush wearing and tearing back signal brush touches the guide rail and charged of transmitting electricity, this electrical signal transfer is reported to the police to indicator light or buzzer.But the problem that the contact detection technique exists is that accuracy of detection is not high.
The utility model content
The utility model proposes a kind of carbon brush wear detector and brush system, with the accuracy of detection of raising carbon brush wearing and tearing, and then prevents better because of the wearing and tearing of current-collector carbon brush security incident to take place.
First aspect, a kind of carbon brush wear detector of the utility model comprises transducer; Said transducer is connected with carbon brush, comprises distance measuring and calculating unit; Said distance measuring and calculating unit is used to send distance measuring signal to current-collector copper ring, and according to the time difference of second moment with first moment, confirms the distance between carbon brush and the current-collector copper ring; Wherein, first moment of constantly sending for distance measuring signal autobiography sensor; And second constantly be distance measuring signal after said current-collector copper ring reflects, return the moment of said transducer.
Preferably, said carbon brush wear detector also comprises support; Wherein said support comprises first submounts and second submounts of fixed connection; Said first submounts is fixedly connected with said carbon brush, and the tangent plane of said second submounts and said copper ring parallels; And said transducer is connected with said second submounts.
Preferably, said transducer and said second submounts flexibly connect.
Preferably, said flexible connection is for being threaded.
Preferably, said distance measuring signal is pulse signal or laser signal.
The utility model adopts noncontacting proximity sensor to detect the distance between carbon brush and the current-collector copper ring, has improved the accuracy of detection of carbon brush wearing and tearing, and then prevents better because of the wearing and tearing of current-collector carbon brush security incident to take place.
Second aspect the invention also discloses a kind of brush system, comprises the transducer and the controller of electrical connection; Wherein, said transducer is connected with carbon brush, comprises distance measuring and calculating unit, comparing unit and the transmitting element of electrical connection; Said distance measuring and calculating unit is used to send distance measuring signal to current-collector copper ring, and according to the time difference of second moment with first moment, confirms the distance between carbon brush and the current-collector copper ring; Wherein, first moment of constantly sending for distance measuring signal autobiography sensor; Second constantly be distance measuring signal after said current-collector copper ring reflects, return the moment of said transducer.Comparing unit be used for the carbon brush of measuring and the distance between the current-collector copper ring with preset critical value and compare; Transmitting element is used under the situation of distance greater than said critical value between carbon brush and the current-collector copper ring, sends normally closed switch amount to said controller; And said controller is used to receive said normally closed switch amount, and sends alarm signal.
Preferably, said brush system also comprises support; Wherein, said support comprises first submounts and second submounts of fixed connection; Said first submounts is fixedly connected with said carbon brush, and the tangent plane of said second submounts and said copper ring parallels; And said transducer is connected with said second submounts.
Preferably, in the said brush system, said transducer and said second submounts flexibly connect through screw thread.
Preferably, in the said brush system, also be provided with time delay module in the said controller.
Preferably, in the said brush system, said controller is the PLC controller.
After the carbon brush wear condition is detected, can also send alarm signal in the utility model, in time change carbon brush with the prompting staff according to testing result
The utility model is along with the continuous wearing and tearing of carbon brush; Carbon brush and transducer can to copper ring gradually near; Transducer sends normally closed switch amount signal when reaching critical point, and normally closed switch amount signal is transferred to controller, and the controller alarm unit will send warning; The prompting staff in time changes carbon brush, and then prevents better because of the wearing and tearing of current-collector carbon brush security incident to take place.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiment of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of a kind of carbon brush wear detector of the utility model preferred embodiment;
Fig. 2 is among a kind of carbon brush wear detector of the utility model embodiment, the structured flowchart of transducer;
Fig. 3 is the structured flowchart of a kind of brush system embodiment of the utility model;
Fig. 4 is in a kind of brush system embodiment of the utility model, the structured flowchart of transducer;
Fig. 5 is in a kind of brush system embodiment of the utility model, the structured flowchart of controller;
Fig. 6 is the structured flowchart of a kind of brush another embodiment of system.
Embodiment
To combine the accompanying drawing among the utility model embodiment below, the technical scheme among the utility model embodiment is carried out clear, intactly description, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
Carbon brush wear detector embodiment
Embodiment one
The utility model carbon brush wear detector embodiment comprises transducer; Transducer is connected with carbon brush, comprises distance measuring and calculating unit; Distance measuring and calculating unit is used to send distance measuring signal to current-collector copper ring, and according to the time difference of second moment with first moment, confirms the distance between carbon brush and the current-collector copper ring; First moment of constantly sending wherein for distance measuring signal autobiography sensor; Second constantly be distance measuring signal after the current-collector copper ring reflects, the moment of Returning sensor.
Because carbon brush is fixedly connected with transducer, along with the continuous wearing and tearing of carbon brush, transducer and carbon brush can to copper ring gradually near, then characterized the distance between carbon brush and the current-collector copper ring apart from reality between carbon brush that transducer records and the current-collector copper ring.
In addition, in the specific implementation, distance measuring signal can be pulse signal or laser signal, selects according to the difference of transducer kind.
The utility model adopts noncontacting proximity sensor to detect the distance between carbon brush and the current-collector copper ring, has improved the accuracy of detection of carbon brush wearing and tearing, and then prevents better because of the wearing and tearing of current-collector carbon brush security incident to take place.
Embodiment two
With reference to Fig. 1, Fig. 1 is the structural representation of a kind of carbon brush wear detector of the utility model preferred embodiment.
The utility model carbon brush wear detector embodiment comprises transducer 2; Transducer 2 is connected with carbon brush 4.
With reference to Fig. 2, Fig. 2 is the structured flowchart of transducer 2, comprises distance measuring and calculating unit 21; Distance measuring and calculating unit 21 is used to send distance measuring signal to current-collector copper ring 1, and the time difference of second moment of the foundation T2 and first moment T1, confirms the distance between carbon brush 4 and the current-collector copper ring 1; Wherein first moment T1 is the moment that distance measuring signal autobiography sensor 2 sends; Second constantly T2 be distance measuring signal after 1 reflection of current-collector copper ring, the moment of Returning sensor 2.
It can also be seen that from Fig. 1 the carbon brush wear detector also comprises support 3.Wherein, support 3 comprises the first submounts 3B and the second submounts 3A of fixed connection; The first submounts 3B is fixedly connected with carbon brush 4, and the tangent plane 6 of the second submounts 3A and copper ring 1 parallels; And transducer 2 is connected with the second submounts 3A.
Preferably, in the specific implementation, the connected mode of transducer 2 and the second submounts 3A can for: being connected among transducer 2 and the second submounts 3A is set to dismountable flexible connection.For example, in Fig. 1, be provided with a circular hole in the middle of the second submounts 3A, this circular hole can pass and through this circular hole transducer 2 is fixed on the second submounts 3A for transducer 2.
In addition, more preferably, the transducer 2 and the second submounts 3A can also be through being threaded, by the detected value of the distance change transducer of regulating screw thread on the transducer.Specify as follows:
Adopting originally is utility model embodiment when detecting, and at first the carbon brush wear detector need be installed, because actual operating mode reasons such as (for example, the sensitivity of transducer, the model of carbon brush) need be regulated the position of transducer in advance.Under the different working conditions, transducer may be different in the fixed position of support.Therefore, the design that is threaded can make things convenient for this operation.
Because carbon brush is fixedly connected with transducer, along with the continuous wearing and tearing of carbon brush, transducer and carbon brush can to copper ring gradually near, then characterized the distance between carbon brush and the current-collector copper ring apart from reality between carbon brush that transducer records and the current-collector copper ring.
In addition, in the specific implementation, distance measuring signal can be pulse signal or laser signal, selects according to the difference of transducer kind.Transducer 2 also is connected with shielding conductor 5.
The utility model adopts noncontacting proximity sensor to detect the distance between carbon brush and the current-collector copper ring, has improved the accuracy of detection of carbon brush wearing and tearing, and then prevents better because of the wearing and tearing of current-collector carbon brush security incident to take place.
The brush system embodiment
Embodiment three
With reference to Fig. 3, Fig. 3 is the structured flowchart of the utility model brush system embodiment.
Present embodiment brush system comprises the transducer 31 and controller 32 of electrical connection.
With reference to Fig. 4, transducer 31 is connected with carbon brush, comprises distance measuring and calculating unit 311, comparing unit 312 and the transmitting element 313 of electrical connection.Distance measuring and calculating unit 311 is used to send distance measuring signal to current-collector copper ring, and according to the time difference of second moment with first moment, confirms the distance between carbon brush and the current-collector copper ring; Wherein, first moment of constantly sending for distance measuring signal autobiography sensor; Second constantly be distance measuring signal after the current-collector copper ring reflects, the moment of Returning sensor.Comparing unit 312 be used for the carbon brush of measuring and the distance between the current-collector copper ring with preset critical value and compare; Transmitting element 313 is used under the situation of distance greater than critical value between carbon brush and the current-collector copper ring, sends the normally closed switch amount to controller.
Controller 32 comprises alarm unit 321, is used to receive the normally closed switch amount, and sends alarm signal.
The utility model brush system embodiment is at transducer of the other installation of each carbon brush; Be used for measuring in real time the distance between carbon brush and the current-collector copper ring; When carbon brush wears up to the used thickness that is lower than setting, send normally closed signal near switch and give controller, controller control alarm unit sends alarm signal; The prompting staff in time changes carbon brush, in order to avoid cause bigger accident.
The utility model during work, makes transducer be in normally open to device designs such as all current-collectors, wiping devices.Continuous wearing and tearing along with carbon brush; Carbon brush and transducer can to copper ring gradually near, transducer 32 sends normally closed switch amount signal when reaching critical point, normally closed switch amount signal is transferred to controller 32; Controller alarm unit 321 will send warning, and the prompting staff in time changes carbon brush.
Wherein, controller can be the PLC controller, also can be the controller of other types, and the utility model is not done qualification at this.
In addition, for preventing because current-collector because of mechanical oscillation, near the switch false alarm, to the controller design of can delaying time, is designed with time delay module therein.
Embodiment four
With reference to Fig. 6, Fig. 6 is the structural representation of the utility model brush another embodiment of system.
Present embodiment brush system comprises the transducer 62 and controller 67 of electrical connection.
Below, the concrete connected mode of detailed description transducer 62 and carbon brush 64.
It can also be seen that from Fig. 6 the carbon brush wear detector also comprises support 63.Wherein, support 63 comprises the first submounts 63B and the second submounts 63A of fixed connection; The first submounts 63B is fixedly connected with carbon brush 64, and the tangent plane 66 of the second submounts 63A and copper ring 61 parallels; And transducer 62 is connected with the second submounts 63A.
Preferably, in the specific implementation, the connected mode of transducer 62 and the second submounts 63A can for: being connected among transducer 62 and the second submounts 63A is set to dismountable flexible connection.For example, in Fig. 6, be provided with a circular hole in the middle of the second submounts 63A, this circular hole can pass and through this circular hole transducer 62 is fixed on the second submounts 63A for transducer 62.
More preferably, the transducer 62 and the second submounts 63A can also be through being threaded, by the detected value of the distance change transducer of regulating screw thread on the transducer 62.Specify as follows:
Adopting originally is utility model embodiment when detecting, and at first the carbon brush wear detector need be installed, because actual operating mode reasons such as (for example, the sensitivity of transducer, the model of carbon brush) need be regulated the position of transducer in advance.Under the different working conditions, transducer may be different in the fixed position of support.Therefore, the design that is threaded can make things convenient for this operation.
In the specific implementation, distance measuring signal can be pulse signal or laser signal, selects according to the difference of transducer kind.Transducer 62 also is connected with shielding conductor 65.
In addition, for preventing because current-collector because of mechanical oscillation, near the switch false alarm, to controller 67 design of can delaying time, is designed with time delay module therein.
The utility model is to device designs such as all current-collectors, wiping devices.During work, make transducer be in normally open.Continuous wearing and tearing along with carbon brush; Carbon brush and transducer can to copper ring gradually near; Transducer sends normally closed switch amount signal when reaching the wearing and tearing critical value, and normally closed switch amount signal is transferred to controller, and the controller alarm unit will send warning; The prompting staff in time changes carbon brush, in order to avoid cause bigger accident.
The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection range of the utility model.
Claims (10)
1. a carbon brush wear detector is characterized in that,
Comprise transducer;
Said transducer is connected with carbon brush, comprises distance measuring and calculating unit;
Said distance measuring and calculating unit is used to send distance measuring signal to current-collector copper ring, and according to the time difference of second moment with first moment, confirms the distance between carbon brush and the current-collector copper ring; Wherein
The moment that first moment sent for distance measuring signal autobiography sensor; And
Second constantly be distance measuring signal after said current-collector copper ring reflects, return the moment of said transducer.
2. carbon brush wear detector according to claim 1 is characterized in that,
Also comprise support; Wherein
Said support comprises first submounts and second submounts of fixed connection;
Said first submounts is fixedly connected with said carbon brush, and the tangent plane of said second submounts and said copper ring parallels; And
Said transducer is connected with said second submounts.
3. carbon brush wear detector according to claim 2 is characterized in that,
Said transducer and said second submounts flexibly connect.
4. carbon brush wear detector according to claim 3 is characterized in that,
Said flexible connection is for being threaded.
5. according to each described carbon brush wear detector in the claim 1 to 4, it is characterized in that,
Said distance measuring signal is pulse signal or laser signal.
6. a brush system is characterized in that,
The transducer and the controller that comprise electrical connection; Wherein
Said transducer is connected with carbon brush, comprises distance measuring and calculating unit, comparing unit and the transmitting element of electrical connection;
Said distance measuring and calculating unit is used to send distance measuring signal to current-collector copper ring, and according to the time difference of second moment with first moment, confirms the distance between carbon brush and the current-collector copper ring; Wherein, first moment of constantly sending for distance measuring signal autobiography sensor; Second constantly be distance measuring signal after said current-collector copper ring reflects, return the moment of said transducer,
Comparing unit be used for the carbon brush of measuring and the distance between the current-collector copper ring with preset critical value and compare;
Transmitting element is used under the situation of distance greater than said critical value between carbon brush and the current-collector copper ring, sends normally closed switch amount to said controller; And
Said controller is used to receive said normally closed switch amount, and sends alarm signal.
7. brush according to claim 6 system is characterized in that,
Also comprise support; Wherein
Said support comprises first submounts and second submounts of fixed connection;
Said first submounts is fixedly connected with said carbon brush, and the tangent plane of said second submounts and said copper ring parallels; And
Said transducer is connected with said second submounts.
8. brush according to claim 7 system is characterized in that,
Said transducer and said second submounts flexibly connect through screw thread.
9. brush according to claim 8 system is characterized in that,
Also be provided with time delay module in the said controller.
10. according to each described brush system in the claim 6 to 9, it is characterized in that,
Said controller is the PLC controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203866347U CN202282544U (en) | 2011-10-12 | 2011-10-12 | Carbon brush wear detection apparatus and carbon brush wear alarm system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203866347U CN202282544U (en) | 2011-10-12 | 2011-10-12 | Carbon brush wear detection apparatus and carbon brush wear alarm system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202282544U true CN202282544U (en) | 2012-06-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203866347U Expired - Fee Related CN202282544U (en) | 2011-10-12 | 2011-10-12 | Carbon brush wear detection apparatus and carbon brush wear alarm system |
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| CN (1) | CN202282544U (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104049244A (en) * | 2014-06-23 | 2014-09-17 | 中国人民解放军63698部队 | Radar speed measurement machine carbon brush abrasion identification method based on time domain feature value analysis |
| CN104792254A (en) * | 2015-04-13 | 2015-07-22 | 中国核动力研究设计院 | Online monitoring device and online monitoring method for thrust bearing wear loss of fully-sealed pump |
| CN105247746A (en) * | 2013-03-14 | 2016-01-13 | 科茨福斯有限公司 | System and method for monitoring the status of one or more components of an electrical machine |
| CN107069366A (en) * | 2017-03-22 | 2017-08-18 | 中航光电科技股份有限公司 | A kind of electric rotary connector |
| CN107104341A (en) * | 2017-03-30 | 2017-08-29 | 中航光电科技股份有限公司 | A kind of electric rotary connector |
| CN104567777B (en) * | 2013-10-18 | 2017-09-26 | 苏州东南碳制品有限公司 | A kind of carbon brush Thickness sensitivity machine |
| CN108390521A (en) * | 2018-05-03 | 2018-08-10 | 大同新成新材料股份有限公司 | It is a kind of that the automatic carbon brush mounting bracket and its application method for replacing carbon brush can be achieved |
| CN109983635A (en) * | 2016-11-23 | 2019-07-05 | 宝马股份公司 | Carbon brush abrasion measuring device |
| CN110011465A (en) * | 2019-05-09 | 2019-07-12 | 重庆华能水电设备制造有限公司 | The brush holder structure of generator current collecting equipment monitoring |
| US11566675B2 (en) | 2018-03-21 | 2023-01-31 | Ab Dynamoborstfabriken | Intelligent graphite device |
| CN117977884A (en) * | 2024-03-28 | 2024-05-03 | 江苏务本电气科技有限公司 | Method and device for monitoring generator collecting ring |
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2011
- 2011-10-12 CN CN2011203866347U patent/CN202282544U/en not_active Expired - Fee Related
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105247746A (en) * | 2013-03-14 | 2016-01-13 | 科茨福斯有限公司 | System and method for monitoring the status of one or more components of an electrical machine |
| CN105247746B (en) * | 2013-03-14 | 2019-01-25 | 科茨福斯有限公司 | The system and method for monitoring more than one electrical machine element state |
| CN104567777B (en) * | 2013-10-18 | 2017-09-26 | 苏州东南碳制品有限公司 | A kind of carbon brush Thickness sensitivity machine |
| CN104049244A (en) * | 2014-06-23 | 2014-09-17 | 中国人民解放军63698部队 | Radar speed measurement machine carbon brush abrasion identification method based on time domain feature value analysis |
| CN104792254A (en) * | 2015-04-13 | 2015-07-22 | 中国核动力研究设计院 | Online monitoring device and online monitoring method for thrust bearing wear loss of fully-sealed pump |
| CN109983635A (en) * | 2016-11-23 | 2019-07-05 | 宝马股份公司 | Carbon brush abrasion measuring device |
| CN107069366A (en) * | 2017-03-22 | 2017-08-18 | 中航光电科技股份有限公司 | A kind of electric rotary connector |
| CN107069366B (en) * | 2017-03-22 | 2019-07-26 | 中航光电科技股份有限公司 | A kind of electric rotary connector |
| CN107104341A (en) * | 2017-03-30 | 2017-08-29 | 中航光电科技股份有限公司 | A kind of electric rotary connector |
| CN107104341B (en) * | 2017-03-30 | 2019-07-23 | 中航光电科技股份有限公司 | A kind of electric rotary connector |
| US11566675B2 (en) | 2018-03-21 | 2023-01-31 | Ab Dynamoborstfabriken | Intelligent graphite device |
| CN108390521A (en) * | 2018-05-03 | 2018-08-10 | 大同新成新材料股份有限公司 | It is a kind of that the automatic carbon brush mounting bracket and its application method for replacing carbon brush can be achieved |
| CN108390521B (en) * | 2018-05-03 | 2024-01-09 | 大同新成新材料股份有限公司 | Carbon brush mounting frame capable of realizing automatic carbon brush replacement and application method thereof |
| CN110011465A (en) * | 2019-05-09 | 2019-07-12 | 重庆华能水电设备制造有限公司 | The brush holder structure of generator current collecting equipment monitoring |
| CN110011465B (en) * | 2019-05-09 | 2024-03-26 | 重庆华能水电设备制造有限公司 | Brush holder structure for monitoring generator collector |
| CN117977884A (en) * | 2024-03-28 | 2024-05-03 | 江苏务本电气科技有限公司 | Method and device for monitoring generator collecting ring |
| CN117977884B (en) * | 2024-03-28 | 2024-06-07 | 江苏务本电气科技有限公司 | Method and device for monitoring generator collecting ring |
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Owner name: SANY MARINE HEAVY INDUSTRIES CO., LTD. Free format text: FORMER OWNER: KM GROUP CO., LTD. Effective date: 20150608 |
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Free format text: CORRECT: ADDRESS; FROM: 410100 CHANGSHA, HUNAN PROVINCE TO: 519050 ZHUHAI, GUANGDONG PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20150608 Address after: 519050 Guangdong city of Zhuhai province Pingsha town Ping Road No. 336 East Building Room 310 Patentee after: 31 ocean heavy industry Co., Ltds Address before: 410100 Changsha economic and Technological Development Zone, Hunan City, the 31 industrial city Patentee before: KM Group Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120620 Termination date: 20151012 |
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| EXPY | Termination of patent right or utility model |