CN208847344U - It is a kind of for carbon brush chamber in thermoelectric generator and the on-line monitoring system of bearing - Google Patents
It is a kind of for carbon brush chamber in thermoelectric generator and the on-line monitoring system of bearing Download PDFInfo
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- CN208847344U CN208847344U CN201821682038.1U CN201821682038U CN208847344U CN 208847344 U CN208847344 U CN 208847344U CN 201821682038 U CN201821682038 U CN 201821682038U CN 208847344 U CN208847344 U CN 208847344U
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Abstract
The utility model discloses a kind of for carbon brush chamber in thermoelectric generator and the on-line monitoring system of bearing, belongs to motor component technical field.Including network camera device and monitoring unit, network camera device is monitored the monitoring of vision area；Monitoring unit includes abrasion loss detecting element and platinum resistance, and abrasion loss detecting element front end is equipped with probe, and rear end is connected with signal transmission unit, and signal transmission unit is connected with signal processing unit, and signal processing unit is connect with server, and server is connected with display；Platinum resistance rear end is connect with signal transmission unit.Pass through the on-line monitoring to the operating statuses such as carbon brush abrasion amount, collector ring temperature and bearing oil leak in carbon brush chamber, monitoring system can reflect generator operating condition in time, there is provided the information such as alarm signal notifies operation maintenance personnel to handle, reduce the probability that unit operation troubles occurs, the generator failure-free operation period is improved, and then effectively improves generator working efficiency.
Description
Technical field
The utility model relates to a kind of on-line monitoring systems for thermoelectric generator, and in particular to one kind is sent out for thermoelectricity
The on-line monitoring system of carbon brush chamber and bearing in motor belongs to motor component technical field.
Background technique
In thermoelectric generator, carbon brush chamber is the separate space of installation and arrangement carbon brush and collector ring, to reduce noise, machine
Group ontology is provided with isolation cover outside (containing bearing), i.e. bearing is encapsulated in isolation cover.Carbon brush and collector ring be sound contact and
The device of energy exchange, is in the position of generator sound boundary, the position be easy to be influenced by the factors such as mechanical, electrical and
The generation for leading to the failures such as the fever of the components such as carbon brush and collector ring, fracture distress or loosening, so that the improper stopping of unit.
Therefore, the situation of carbon brush and current collection inscription of loop, be directly related to motor whether operational safety.Bearing, which is mainly responsible for, undertakes entire hair
Rotor fixes and supports, and generator amature is the component to run at high speed, generator bearing oil sealing will appear climb oil or
The phenomenon that person's permeability.For this purpose, most important to the real time on-line monitoring of carbon brush in carbon brush chamber and collector ring and bearing.
Currently, the monitoring to carbon brush, collector ring and bearing in thermoelectric generator, mainly determines according to operation maintenance personnel
Phase inspection realizes that this monitoring pattern not only makes operation maintenance personnel's heavy workload, low efficiency etc.；And operation and maintenance people
Member needs the unit close to high-speed rotation, and there are great security risks for this.In addition, this monitoring mode is only really occurring
It is likely to be detected when failure, is unable to look-ahead, forbid the generation of trouble saving, not the science of fault diagnosis.Cause
This, needs a kind of on-line monitoring system, completes the real time on-line monitoring to carbon brush, collector ring and bearing operating status.
State Intellectual Property Office discloses one, and application No. is CN201710953039.9, and entitled " one kind can be supervised uninterruptedly
The patent document of the temperature monitoring system of survey brush and brush carrier running temperature ", belongs to temperature monitoring technique field, wherein including
Brush and brush carrier, temperature sensor is provided on structural feature brush and brush carrier, and temperature sensor and data collector carry out
Wireless communication, the temperature measurement data output port of data collector are connected with the temperature measurement data input port of controller, controller
Display signal output port is connected with the display signal input port of display terminal.In that patent, only to collector ring, carbon brush temperature
Degree is acquired, and is had a single function；Meanwhile the temperature surface of radio temperature sensor is contacted with the conducting ring on collector ring, exist compared with
Big security risk；And generator carbon brush room attachment electromagnetic interference is larger, is easy to impact wireless transmission.
State Intellectual Property Office discloses one, and application No. is CN201310515926.X, entitled " axial-flow hydrogenerators
The patent document of group transverse bearing condition monitoring system ", including oil film temperature sensor, oil film pressure sensor, oil film thickness
Sensor, photoelectric encoder, slip ring, system host, remote computer.As unit rotates, photoelectric encoder is equiangularly defeated
Pulse signal out, the signal trigger acquisition system, and acquisition in real time can be carried out angularly to bearing lubrication parameter.Remotely
Data are exchanged using ethernet communication between computer and system host, host carries out high speed acquisition under program, acquires
Data are uploaded in remote computer by Ethernet after the completion and shown, saved, analyzed, once it breaks down, in time
Alarm signal is issued, to realize the status monitoring of bulb-type tubular turbine generator set radial bearing, guarantees hydrogenerator
Group operational safety.The patent is only monitored bearing state, has a single function, and in addition this scheme is only applicable to hydrogenerator
Equal carbon brush, the biggish unit of bearing chamber installation space, for encouraging the compact thermoelectric generator of end structure and being not suitable for.
Summary of the invention
The utility model overcomes the shortcomings of the prior art, and propose it is a kind of for carbon brush chamber in thermoelectric generator and
The on-line monitoring system of bearing, by carbon brush abrasion amount, carbon brush temperature, collector ring temperature and bearing oil leak etc. in carbon brush chamber
The on-line monitoring of operating status, monitoring system can reflect generator operating condition in time, provide the information such as alarm signal notice operation dimension
Shield personnel processing reduces the probability that unit operation troubles occurs, and improves the generator failure-free operation period, and then effectively improve hair
Motor working efficiency.
In order to achieve the above technical purposes, the following technical solution is proposed:
It is a kind of for carbon brush chamber in thermoelectric generator and the on-line monitoring system of bearing, including network camera device and setting
Monitoring unit in carbon brush, network camera device are arranged in carbon brush chamber, and the monitoring vision area of closure is formed in carbon brush chamber, right
Carbon brush and collector ring are monitored；Network camera device is additionally arranged at the top of bearing chamber, and the prison of closure is formed in bearing chamber
Vision area is surveyed, the indoor bearing of bearing is monitored；
The network camera device is connected with exchanger, and exchanger is connected with server；
The monitoring unit includes abrasion loss detecting element and platinum resistance, and abrasion loss detecting element front end is equipped with probe, after
End is connected with signal transmission unit, and signal transmission unit is connected with signal processing unit, and signal processing unit is connect with server, service
Device is connected with display；Platinum resistance rear end is connect with signal transmission unit.
Further, the network camera device is arranged on the blimp above carbon brush, and the bottom plate below collector ring
On be also equipped with the network camera device, the monitoring vision area of closure is formed between network camera device.
Further, the network camera device is infrared thermal imaging and visible light double-view field web camera.
Further, the signal transmission unit is signal optical cable or signal cable.
Further, the display is equipped with display screen and warning device.
Further, the platinum resistance is embedded platinum resistance.
Further, the abrasion loss detecting element is the signal wire that one end has insulating layer.
Further, the exchanger, server, signal processing unit and display are arranged in local control cabinet, existing
Ground control cabinet is equipped with the network interface externally communicated.
Infrared thermal imaging and visible light double-view field web camera: the double spectrum videos of DH-TPC series temperature measuring type thermal imaging are adopted
Storage, thermal imaging use non-brake method vanadium oxide focus planar detector, and high sensitivity, picture quality is good；It is by carbon brush chamber and axis
It holds indoor operating condition and carries out real-time double-view field image checking, the double-view field imaging picture signal that will test passes through signal light
Cable or signal cable are transmitted to interchanger.
Exchanger: for a kind of network equipment that double-view field imaging picture signal is transmitted to server.Technical staff can root
According to actual demand and practical experience, Reliable Products are selected, and direct market purchase obtains；
Signal processing unit: the integrating device including compositions such as single-chip microcontroller, high resistance element and relays detects abrasion loss
Signal collected is handled at element and platinum resistance, is then transferred to server；Technical staff can according to actual needs with
And practical experience, Reliable Products are selected, and direct market purchase obtains；
Server: for the software platform of operation on-line monitoring system data processing, analysis, temperature acquisition, video point are realized
Analysis, carbon brush abrasion analysis etc., specifically include: for storing double-view field video pictures signal, and calling preset infrared temperature point
It analyses software, video analysis software and carbon brush abrasion and analyzes software, to infrared thermal imaging picture signal, visible light video picture signal
And carbon brush abrasion amount switching signal etc. carries out examination processing, forms collector ring and carbon brush running state information or fault warning information
And it is transmitted to aobvious control instrument and carries out real-time display or alarm.Technical staff can according to actual needs and practical experience, selection can
By product, and direct market purchase obtains；
Display: for system man-machine interface, realize that people connects interface function.Technical staff can according to actual needs and practice
Experience selects Reliable Products, and direct market purchase obtains；
Platinum resistance: PT100, platinum resistance is according to temperature change, and self-resistance is close to the temperature-sensitive element of linear change；
Abrasion loss detecting element: one end has the signal wire of insulating layer, i.e. one end of signal wire is fully wrapped around by insulating layer.
Will with the signal wire at insulating layer end be embedded to carbon brush in, when carbon brush abrasion to a certain extent after, insulating layer is damaged, and signal wire then can
Conduction is connected to carbon brush, the signal processing unit of postposition passes through the electrical quantity transmitted to the signal wire and detects, then feeds back
To server, finally whether the abrasion of carbon brush is judged in place；
Local control cabinet: it is safe and steady to improve system for placing hardware device, degree of protection with higher for control cabinet
It is qualitative.Technical staff can select Reliable Products according to actual needs and practical experience, and direct market purchase obtains.
End is encouraged in generator, blimp is equipped at the top of carbon brush chamber, bottom is equipped with bottom plate, and middle part is equipped with brush holder, arranges on brush holder
Column are provided with multiple brush carriers, and brush carrier side is equipped with brush box, and carbon brush is equipped in brush box, is equipped with collector ring below carbon brush；Carbon brush chamber one
Side is equipped with bearing chamber, and bearing block is equipped in bearing chamber, is arranged with bearing on bearing block.
On the basis of above-mentioned, server includes multi-functional data analysis platform and software platform, and is arranged and controls now
On cabinet processed, there is following three data analysis function:
1, video routing inspection is analyzed, and according to the inspection route initially set and position, while setting, operates front end net
Network photographic device carries out automatic detecting to positions such as carbon brush, collector ring and bearings as required, and inspection while passes video data
Rear end is transported to, diagnostic analysis is carried out；
2, infrared temperature is analyzed, collector ring temperature, carbon for the infrared thermoviewer upload in front network photographic device
Brush temperature information carries out on-line analysis, and compares with preset limit value, is alarmed and is shown；
3, carbon brush abrasion is analyzed, and for the collected carbon brush abrasion amount information of front-end probe, carries out on-line analysis, and
It is compared with preset limit value, is alarmed and shown；
Using the technical program, bring advantageous effects are as follows:
1) in the present invention, by the way that intelligentized visual device, monitoring unit, signal processing are arranged on generator
The components such as unit, can concentrate realize carbon brush temperature, carbon brush abrasion amount, collector ring temperature and bearing operating status it is real-time
The function of line monitoring, it is powerful；
2) in the present invention, head end video acquisition device, that is, network camera device, in conjunction with backstage multi-functional data point
Analysis and software platform can be realized the automations, intelligent functions such as video routing inspection, temperature analysis, abrasion monitoring and analysis；
3) in the present invention, setting to remote monitoring center data-interface, system has stronger scalability, for heat
Realize that unattended, the few man on duty method of operation provides support in power station.
Detailed description of the invention
Fig. 1 is the operation principle schematic diagram of the utility model；
Fig. 2 is network camera device mounting arrangements schematic diagram in the carbon brush chamber of the utility model；
Fig. 3 is network camera device mounting arrangements schematic diagram in the bearing chamber of the utility model；
Fig. 4 is monitoring unit mounting arrangements schematic diagram in the utility model；
In figure, 1, network camera device, 2, carbon brush chamber, 3, monitoring unit, 301, abrasion loss detecting element, 302, platinum electricity
Resistance, 4, exchanger, 5, server, 6, signal transmission unit, 7, signal processing unit, 8, display, 9, probe, 10, brush holder,
11, brush carrier, 12, brush box, 13, carbon brush, 14, collector ring, 15, bearing chamber, 16, blimp, 17, bottom plate, 18, local control cabinet.
Specific embodiment
Below by the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described
Embodiment be only the utility model a part of the embodiment, instead of all the embodiments.Based on the reality in the utility model
Example is applied, all other embodiment obtained by those of ordinary skill in the art without making creative efforts all belongs to
In the range of the utility model protection.
Embodiment 1
It is a kind of for carbon brush chamber in thermoelectric generator and the on-line monitoring system of bearing, including network camera device 1 and set
The monitoring unit 3 in carbon brush 13 is set, network camera device 1 is arranged in carbon brush chamber 2, and the prison of closure is formed in carbon brush chamber 2
Vision area is surveyed, carbon brush 13 and collector ring 14 are monitored；Network camera device 1 is additionally arranged in bearing chamber 15, in bearing chamber 15
The interior monitoring vision area for forming closure, is monitored the bearing in bearing chamber 15；The network camera device 1 is connected with exchanger 4,
Exchanger 4 is connected with server 5；The monitoring unit 3 includes abrasion loss detecting element 301 and platinum resistance 302, abrasion loss detection member
301 front end of part is equipped with probe 9, and rear end is connected with signal transmission unit 6, and signal transmission unit 6 is connected with signal processing unit 7, signal
Processing unit 7 is connect with server 5, and server 5 is connected with display 8；302 rear end of platinum resistance is connect with signal transmission unit 6.
Embodiment 2
On the basis of embodiment 1: further:
The network camera device 1 is arranged on the blimp 16 of 13 top of carbon brush, and the bottom plate 17 of 14 lower section of collector ring
On be also equipped with the network camera device 1, the monitoring vision area of closure is formed between network camera device 1.
The network camera device 1 is additionally arranged at 15 top of bearing chamber.
Embodiment 3
On the basis of embodiment 1-2: further:
The network camera device 1 is infrared thermal imaging and visible light double-view field web camera.
The signal transmission unit 6 is signal optical cable.
The platinum resistance 302 is embedded platinum resistance 302.
Embodiment 4
On the basis of embodiment 1-3: further:
The signal transmission unit 6 is signal cable.
The display 8 is equipped with display screen and warning device.
The abrasion loss detecting element 301 is the signal wire that one end has insulating layer.
Embodiment 5
It is as shown in Figs 1-4: it is a kind of for carbon brush chamber in thermoelectric generator and the on-line monitoring system of bearing, including infrared heat
Imaging and visible light double-view field web camera and the monitoring unit 3 being arranged in carbon brush 13, network camera device 1 are arranged in carbon
It brushes in room 2, forms the monitoring vision area of closure in carbon brush chamber 2；Network camera device 1 is additionally arranged at 15 top of bearing chamber, in axis
Hold the monitoring vision area that closure is formed in room 15；The infrared thermal imaging and visible light double-view field web camera are connected with exchanger 4,
Exchanger 4 is connected with server 5；The monitoring unit 3 includes abrasion loss detecting element 301 and platinum resistance 302, abrasion loss detection member
301 front end of part is equipped with probe 9, and rear end is connected with optical cable, and optical cable is connected with signal processing unit 7, signal processing unit 7 and server 5
Connection, server 5 are connected with display 8；302 rear end of platinum resistance is connect with optical cable.
The display 8 is equipped with display screen and warning device.
The platinum resistance 302 is embedded platinum resistance 302.
The exchanger 4, server 5, signal processing unit 7 and display 8 are arranged in local control cabinet 18, now control
Cabinet 18 processed is equipped with the network interface externally communicated.
Infrared thermal imaging and visible light double-view field web camera carry out the operating condition in carbon brush chamber 2 and bearing chamber 15
Real-time double-view field image checking, the double-view field imaging picture signal that will test are transmitted to interchanger by signal optical cable；Exchange
Double-view field imaging picture signal is transmitted to server 5 by device 4；
301 one end of abrasion loss detecting element has the signal wire of insulating layer, i.e. one end of signal wire is wrapped completely by insulating layer
It wraps up in.By in the signal wire at insulating layer end embedment carbon brush 13, after carbon brush 13 is worn to a certain extent, insulating layer is damaged, letter
Number line can then be connected to conduction with carbon brush 13, and the signal processing unit 7 of postposition is examined by the electrical quantity transmitted to the signal wire
It surveys, then feeds back to server 5, finally whether the abrasion of carbon brush 13 is judged in place.Platinum resistance 302 becomes according to temperature
Change, and self-resistance is close to the temperature-sensitive element of linear change.Optical cable will be adopted at abrasion loss detecting element 301 and platinum resistance 302
The signal of collection sends signal processing unit 7 to, after signal processing unit 7 is handled, sends server 5 to；
Server 5 analyzes temperature acquisition, video analysis, the abrasion of carbon brush 13 etc., specifically includes: for storing double vision
Field video pictures signal, and preset infrared temperature is called to analyze software and video analysis software, infrared thermal imaging picture is believed
Number and visible light video picture signal carry out examination processing, form collector ring 14 and 13 running state information of carbon brush or fault warning
Information is simultaneously transmitted to aobvious control instrument progress real-time display or alarm.
Claims (9)
1. a kind of for carbon brush chamber in thermoelectric generator and the on-line monitoring system of bearing, it is characterised in that: including network shooting
Device (1) and the monitoring unit (3) being arranged in carbon brush (13), network camera device (1) is arranged in carbon brush chamber (2), in carbon
Brush the monitoring vision area that closure is formed in room (2)；Network camera device (1) is additionally arranged in bearing chamber (15), in bearing chamber (15)
The interior monitoring vision area for forming closure；
The network camera device (1) is connected with exchanger (4), and exchanger (4) is connected with server (5)；
The monitoring unit (3) includes abrasion loss detecting element (301) and platinum resistance (302), before abrasion loss detecting element (301)
End is equipped with probe (9), and rear end is connected with signal transmission unit (6), and signal transmission unit (6) is connected with signal processing unit (7), signal
Processing unit (7) is connect with server (5), and server (5) is connected with display (8)；Platinum resistance (302) rear end and signal transmission are single
First (6) connection.
2. according to claim 1 for the on-line monitoring system of carbon brush chamber and bearing in thermoelectric generator, feature exists
In: on the blimp (16) that the network camera device (1) is arranged above carbon brush (13), and the bottom plate below collector ring (14)
(17) it is also equipped on the network camera device (1), forms the monitoring vision area of closure between network camera device (1).
3. according to claim 1 for the on-line monitoring system of carbon brush chamber and bearing in thermoelectric generator, feature exists
In: the network camera device (1) is additionally arranged at the top of bearing chamber (15).
4. according to claim 1 for the on-line monitoring system of carbon brush chamber and bearing in thermoelectric generator, feature exists
In: the network camera device (1) is infrared thermal imaging and visible light double-view field web camera.
5. according to claim 1 for the on-line monitoring system of carbon brush chamber and bearing in thermoelectric generator, feature exists
In: the signal transmission unit (6) is signal optical cable or signal cable.
6. according to claim 1 for the on-line monitoring system of carbon brush chamber and bearing in thermoelectric generator, feature exists
In: the display (8) is equipped with display screen and warning device.
7. according to claim 1 for the on-line monitoring system of carbon brush chamber and bearing in thermoelectric generator, feature exists
In: the platinum resistance (302) is embedded platinum resistance (302).
8. according to claim 1 for the on-line monitoring system of carbon brush chamber and bearing in thermoelectric generator, feature exists
In: the abrasion loss detecting element (301) is the signal wire that one end has insulating layer.
9. according to claim 1 for the on-line monitoring system of carbon brush chamber and bearing in thermoelectric generator, feature exists
In: the exchanger (4), server (5), signal processing unit (7) and display (8) setting are interior in local control cabinet (18),
Local control cabinet (18) is equipped with the network interface externally communicated.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821682038.1U CN208847344U (en) | 2018-10-17 | 2018-10-17 | It is a kind of for carbon brush chamber in thermoelectric generator and the on-line monitoring system of bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821682038.1U CN208847344U (en) | 2018-10-17 | 2018-10-17 | It is a kind of for carbon brush chamber in thermoelectric generator and the on-line monitoring system of bearing |
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| CN208847344U true CN208847344U (en) | 2019-05-10 |
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| CN201821682038.1U Active CN208847344U (en) | 2018-10-17 | 2018-10-17 | It is a kind of for carbon brush chamber in thermoelectric generator and the on-line monitoring system of bearing |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111307202A (en) * | 2019-11-19 | 2020-06-19 | 辽宁红德电碳制品有限公司 | Brush material performance detection device |
| CN112197867A (en) * | 2020-09-25 | 2021-01-08 | 华能四川水电有限公司 | Carbon brush detection and early warning state setting method |
| CN114509173A (en) * | 2022-03-31 | 2022-05-17 | 东方电气集团东方电机有限公司 | Temperature monitoring module of carbon brush and intelligent monitoring device of generator |
| CN114563041A (en) * | 2022-03-01 | 2022-05-31 | 东方电气集团东方电机有限公司 | Working condition monitoring method and device, electronic terminal, storage medium and program product |
-
2018
- 2018-10-17 CN CN201821682038.1U patent/CN208847344U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111307202A (en) * | 2019-11-19 | 2020-06-19 | 辽宁红德电碳制品有限公司 | Brush material performance detection device |
| CN112197867A (en) * | 2020-09-25 | 2021-01-08 | 华能四川水电有限公司 | Carbon brush detection and early warning state setting method |
| CN112197867B (en) * | 2020-09-25 | 2021-06-22 | 华能四川水电有限公司 | Carbon brush detection and early warning state setting method |
| CN114563041A (en) * | 2022-03-01 | 2022-05-31 | 东方电气集团东方电机有限公司 | Working condition monitoring method and device, electronic terminal, storage medium and program product |
| CN114563041B (en) * | 2022-03-01 | 2023-08-08 | 东方电气集团东方电机有限公司 | Working condition monitoring method and device, electronic terminal and storage medium |
| CN114509173A (en) * | 2022-03-31 | 2022-05-17 | 东方电气集团东方电机有限公司 | Temperature monitoring module of carbon brush and intelligent monitoring device of generator |
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