CN106654783B - A kind of constant voltage electric brush device - Google Patents
A kind of constant voltage electric brush device Download PDFInfo
- Publication number
- CN106654783B CN106654783B CN201611181369.2A CN201611181369A CN106654783B CN 106654783 B CN106654783 B CN 106654783B CN 201611181369 A CN201611181369 A CN 201611181369A CN 106654783 B CN106654783 B CN 106654783B
- Authority
- CN
- China
- Prior art keywords
- brush
- brushgear housing
- brush handle
- stomata
- brushgear
- 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.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R39/00—Rotary current collectors, distributors or interrupters
- H01R39/02—Details for dynamo electric machines
- H01R39/18—Contacts for co-operation with commutator or slip-ring, e.g. contact brush
- H01R39/24—Laminated contacts; Wire contacts, e.g. metallic brush, carbon fibres
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2201/00—Connectors or connections adapted for particular applications
- H01R2201/10—Connectors or connections adapted for particular applications for dynamoelectric machines
Landscapes
- Motor Or Generator Current Collectors (AREA)
- Brushes (AREA)
Abstract
The invention discloses a kind of novel constant-pressure brushgear, including brushgear housing, brush handle, brush, the brush handle is set to below brushgear housing, and extends upwardly to the inside of brushgear housing, and the upper surface of brush handle and the inner wall of brushgear housing form gas chamber；The upper end of the gas chamber is provided with stomata, and stomata is extended to upper end through brushgear housing, and the stomata is connected with external source air pressure；Brush is provided with below the brush handle；It is provided with seal groove on the inner wall that brushgear housing is contacted with brush handle, is provided with sealing strip in the seal groove.It is an object of the present invention to provide a kind of novel constant-pressure brushgears, realize the real constant pressure to brushgear, keep optimum pressure, are suitble to overwhelming majority brush occasion, particularly evident in high speed, ultrahigh speed, high current place advantage.
Description
Technical field
The invention belongs to electricity field, specially a kind of constant voltage electric brush device.
Background technique
Brush is to make sliding contact with movement parts and form a kind of conductive component being electrically connected.Brush be for commutator or
On slip ring, as the sliding contact body for importing and exporting electric current.Its conduction, thermally conductive and greasy property is good, and has certain
Mechanical strength and commutation property spark instinct, generator is common in, in the devices such as commutator motor.
Existing brushgear generally uses end face contact or taper-face contact etc., mainly by mechanical device in brush
Top applies pressure, it is connected with contact block appearance face contact in such as spring.Due to vibration, abrasion and other reasons, it is difficult to
Pressure was uneven or fluctuation will appear of avoiding, and causes abrasion uneven, reduces the service life of brush, even more so that electric current point
With unevenness, individual brushes is caused to generate overheat and spark.It is mechanical and in the high speed even environment of ultrahigh speed or high current
The reaction time of formula pressure apparatus is longer, and pressure is not adjustable, and is easy to produce mechanical fatigue, influences service life.And pressure is not
Uniformly, friction aggravation is made to generate high temperature, making the service life of brush sometimes is only more than ten seconds.
Summary of the invention
The purpose of the present invention is in view of the above problems, providing a kind of constant voltage electric brush device, realization is to the real of brushgear
Constant pressure keeps optimum pressure, is suitble to overwhelming majority brush occasion, particularly evident in high speed, ultrahigh speed, high current place advantage.
In order to achieve the above object, the technical solution adopted by the present invention is that: a kind of constant voltage electric brush device, including brushgear housing (1),
Brush handle (2), brush (3), which is characterized in that the brush handle (2) is set to below brushgear housing (1), and extends upwardly to brush
The inside of seat (1), the upper surface of brush handle (2) and the inner wall of brushgear housing (1) form gas chamber (12)；The upper end of the gas chamber (12) is set
It is equipped with stomata (11), and stomata (11) Xiang Shangduan is extended to through brushgear housing (1), the stomata (11) is connected with external source air pressure
It connects；Brush (3) are provided with below the brush handle (2)；It is provided on the inner wall that the brushgear housing (1) contacts with brush handle (2) close
Sealing groove (21) is provided with sealing strip (22) in the seal groove (21), the brush handle (2) be electrically connected outside.
Further, the stomata (11) is connected by automatic voltage regulator with external source air pressure.
Further, it is additionally provided with wire guide (14) beside stomata (11) on the brushgear housing (1), is set in wire guide (14)
It is equipped with conducting wire (141), conducting wire (141) lower end is extended to be connect with brush handle (2), and upper end extends to wire guide (14) outside, with dispatch from foreign news agency
Connect.
Further, the brush handle (2) is connected by electric installation with external power.
Further, the electric installation includes setting in the shaft (101) of the lower part of brushgear housing (1) and can rotate
The connecting rod (102) of axis (101) rotation, connecting rod (102) are splayed, middle part and shaft (101) loose joint；Connecting rod (102) end
End is provided with spring (103)；The electric installation is including further including the contact (23) for being set to brush handle (2) lower end, the contact
(23) it is contacted with the contact (104) of connecting rod (102) front end.
Further, water annulus (4) are provided in the brushgear housing (1).
Further, the side of the gas chamber (12) is provided with air leakage hole (13), the air leakage hole (13) by tracheae with
Overflow valve (131) connection of brushgear housing (1) outside.
Beneficial effects of the present invention:
1, realize to the real constant pressure of brushgear, keep optimum pressure, be suitble to overwhelming majority brush occasions, high speed,
Ultrahigh speed, high current place advantage are particularly evident；
2, by the gas source for inputting stomata by automatic voltage regulator, the even automatic tune of adjusting to brush pressure may be implemented
Section；
3, mechanical type spring constant pressure is compared, the reaction time that present apparatus brush pushes is shorter, and the brush after making abrasion pushes
Faster, while pressure is kept constant, and pressure unevenness is avoided to cause brush accelerated wear test；
4, when brush is run, different pressure can be applied according to speed difference to obtain optimum efficiency；Especially at a high speed,
In use, should more regulate the pressure of brush the most suitable in the case of ultrahigh speed.
Detailed description of the invention
Fig. 1 is the first structural schematic diagram of the invention.
Fig. 2 is second of structural schematic diagram of the invention.
Fig. 3 is partial enlargement diagram at B in Fig. 2.
Label character described in figure indicates are as follows: 1, brushgear housing；2, brush handle；3, brush；4, water channel；11, stomata；12, gas chamber；
13, air leakage hole；14, wire guide；101, shaft；102, connecting rod；103, spring；131, overflow valve；141, conducting wire；21, seal groove；
22, sealing strip；23, contact；104, contact.
Specific embodiment
In order to make those skilled in the art more fully understand technical solution of the present invention, with reference to the accompanying drawing to the present invention into
Row detailed description, the description of this part be only it is exemplary and explanatory, should not have any limitation to protection scope of the present invention
Effect.
Embodiment 1, as shown in Figure 1, the present apparatus includes brushgear housing 1, brush handle 2, brush 3, the brush handle 2 is set to brushgear housing
1 lower section, and the inside of brushgear housing 1 is extended upwardly to, the upper surface of brush handle 2 and the inner wall of brushgear housing 1 form gas chamber 12；It is described
The upper end of gas chamber 12 is provided with stomata 11, and stomata 11 is extended to upper end through brushgear housing 1, the stomata 11 and external source air pressure
It is connected；The lower section of the brush handle 2 is provided with brush 3；Seal groove is provided on the inner wall that the brushgear housing 1 is contacted with brush handle 2
21, sealing strip 22 is provided in the seal groove 21.The stomata 11 is connected by automatic voltage regulator with external source air pressure, preferably
, it can also be connected into oil sprayer, keep sliding up and down for brush 3 more smooth.It is additionally provided with beside stomata 11 on the brushgear housing 1
Wire guide 14 is provided with conducting wire 141 in wire guide 14, and 141 lower end of conducting wire is extended to be connect with brush handle 2, and upper end extends to conducting wire
Outside hole 14, connect with dispatch from foreign news agency.The conducting wire is spring wires, and 141 upper end of conducting wire and wire guide 14 are tightly connected, brush 3 and brush
Handle 2 is electrically connected between the two.The side of the gas chamber 12 is provided with air leakage hole 13, and the air leakage hole 13 passes through tracheae and brushgear housing
Overflow valve 131 outside 1 connects.Preferably, the automatic voltage regulator can be connected with controller, and the controller is according to feedback
Real-time revolving speed controls the admission pressure of gas chamber 12, that is, controls the pressure to brush, and the pressure for forming adaptive speed variation is adjusted
System.
Embodiment 2, as shown in Fig. 2-Fig. 3, the present apparatus includes brushgear housing 1, brush handle 2, brush 3, and the brush handle 2 is set to electricity
1 lower section of brush holder, and the inside of brushgear housing 1 is extended upwardly to, the upper surface of brush handle 2 and the inner wall of brushgear housing 1 form gas chamber 12；
The upper end of the gas chamber 12 is provided with stomata 11, and stomata 11 is extended to upper end through brushgear housing 1, the stomata 11 and external source
Air pressure is connected；The lower section of the brush handle 2 is provided with brush 3；It is provided on the inner wall that the brushgear housing 1 is contacted with brush handle 2 close
Sealing groove 21 is provided with sealing strip 22 in the seal groove 21.The stomata 11 is connected by automatic voltage regulator with external source air pressure,
Preferably, it can also be connected into oil sprayer, keep sliding up and down for brush 3 more smooth.Water annulus is provided in the brushgear housing 1
4, it for cooling down brushgear housing 1, and then realizes and is exchanged with the heat of brush handle 2 and brush 3, realize the cooling to brush 3.Brush handle 2 is logical
Electric installation is crossed to be connected with external power.The electric installation include be arranged in the lower part of brushgear housing 1 shaft 101 and can be around
The connecting rod 102 that shaft 101 rotates, connecting rod 102 are splayed, middle part and 101 loose joint of shaft；102 end of connecting rod is provided with
Spring 103；The electric installation include further include the contact 23 for being set to 2 lower end of brush handle, the contact 23 and 102 front end of connecting rod
Contact 104 contact；The contact 104 passes through conducting wire and is electrically connected outside.The side of the gas chamber 12 is provided with air leakage hole 13, institute
Air leakage hole 13 is stated to connect by tracheae with the overflow valve 131 outside brushgear housing 1.
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or equipment for including a series of elements not only includes those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or equipment institute it is intrinsic
Element.
Used herein a specific example illustrates the principle and implementation of the invention, the explanation of above example
It is merely used to help understand method and its core concept of the invention.The above is only a preferred embodiment of the present invention, it answers
When pointing out due to the finiteness of literal expression, and objectively there is unlimited specific structure, for the common skill of the art
For art personnel, without departing from the principle of the present invention, several improvement, retouching or variation can also be made, can also incited somebody to action
Above-mentioned technical characteristic is combined in the right way；These improve retouching, variation or combination, or the not improved structure by invention
Think and technical solution directly applies to other occasions, is regarded as protection scope of the present invention.
Claims (5)
1. a kind of constant voltage electric brush device, including brushgear housing (1), brush handle (2), brush (3), which is characterized in that the brush handle (2) sets
It is placed in below brushgear housing (1), and extends upwardly to the inside of brushgear housing (1), upper surface and brushgear housing (1) of brush handle (2)
Inner wall forms gas chamber (12)；The upper end of the gas chamber (12) is provided with stomata (11), and stomata (11) Xiang Shangduan is extended to and run through
Brushgear housing (1), the stomata (11) are connected with external source air pressure；Brush (3) are provided with below the brush handle (2)；The electricity
It is provided on the inner wall that brush holder (1) is contacted with brush handle (2) seal groove (21), is provided with sealing strip in the seal groove (21)
(22)；
The brush handle (2) is connected by electric installation with external power；
The electric installation includes setting in the shaft (101) of the lower part of brushgear housing (1) and (101) can rotate around the shaft
Connecting rod (102), connecting rod (102) are splayed, middle part and shaft (101) loose joint；Connecting rod (102) end is provided with spring
(103)；The electric installation is including further including the contact (23) for being set to brush handle (2) lower end, the contact (23) and connecting rod
(102) contact (104) contact of front end.
2. a kind of constant voltage electric brush device according to claim 1, which is characterized in that the stomata (11) passes through automatic Regulation
Device is connected with external source air pressure.
3. a kind of constant voltage electric brush device according to claim 1, which is characterized in that stomata (11) on the brushgear housing (1)
Side is additionally provided with wire guide (14), is provided with conducting wire (141) in wire guide (14), conducting wire (141) lower end extends to and brush handle
(2) it connects, upper end extends to wire guide (14) outside, connects with dispatch from foreign news agency.
4. a kind of constant voltage electric brush device according to claim 1, which is characterized in that be provided with ring in the brushgear housing (1)
Shape water channel (4).
5. a kind of constant voltage electric brush device according to claim 1-4, which is characterized in that the side of the gas chamber (12)
Face is provided with air leakage hole (13), and the air leakage hole (13) is connect by tracheae with the overflow valve (131) of brushgear housing (1) outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611181369.2A CN106654783B (en) | 2016-12-20 | 2016-12-20 | A kind of constant voltage electric brush device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611181369.2A CN106654783B (en) | 2016-12-20 | 2016-12-20 | A kind of constant voltage electric brush device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106654783A CN106654783A (en) | 2017-05-10 |
| CN106654783B true CN106654783B (en) | 2019-04-02 |
Family
ID=58834872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611181369.2A Active CN106654783B (en) | 2016-12-20 | 2016-12-20 | A kind of constant voltage electric brush device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106654783B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111585412B (en) * | 2020-07-01 | 2021-09-24 | 叶江波 | DC motor with constant voltage brush |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1117745A1 (en) * | 1983-05-04 | 1984-10-07 | Куйбышевский институт инженеров железнодорожного транспорта | Device for providing constant brush pressure on collector of electric machine |
| US4567414A (en) * | 1982-07-12 | 1986-01-28 | Berings Josephus B M | Method and a device for controlling a brush-commutator assembly of an electric machine |
| SU1403166A1 (en) * | 1986-07-23 | 1988-06-15 | Институт сверхтвердых материалов АН УССР | Current supply device for electric working processes |
| DE19619728A1 (en) * | 1996-05-15 | 1997-11-20 | Siemens Ag | Energising current transfer monitoring device for generator brushes |
| US6903484B1 (en) * | 1999-04-23 | 2005-06-07 | Doris Kuhlmann-Wilsdorf | Fluidic pressure holder for electrical metal fiber and foil brushes and ancillary cables |
| CN201018177Y (en) * | 2006-12-29 | 2008-02-06 | 中国南车集团成都机车车辆厂 | Electric motor constant pressure carbon brush device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7010959B2 (en) * | 2003-03-28 | 2006-03-14 | Schleifring Und Apparatebau Gmbh | Device and method for measuring mechanical path lengths by means of pneumatic pressure, in particular for sliding carbon contacts |
-
2016
- 2016-12-20 CN CN201611181369.2A patent/CN106654783B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4567414A (en) * | 1982-07-12 | 1986-01-28 | Berings Josephus B M | Method and a device for controlling a brush-commutator assembly of an electric machine |
| SU1117745A1 (en) * | 1983-05-04 | 1984-10-07 | Куйбышевский институт инженеров железнодорожного транспорта | Device for providing constant brush pressure on collector of electric machine |
| SU1403166A1 (en) * | 1986-07-23 | 1988-06-15 | Институт сверхтвердых материалов АН УССР | Current supply device for electric working processes |
| DE19619728A1 (en) * | 1996-05-15 | 1997-11-20 | Siemens Ag | Energising current transfer monitoring device for generator brushes |
| US6903484B1 (en) * | 1999-04-23 | 2005-06-07 | Doris Kuhlmann-Wilsdorf | Fluidic pressure holder for electrical metal fiber and foil brushes and ancillary cables |
| CN201018177Y (en) * | 2006-12-29 | 2008-02-06 | 中国南车集团成都机车车辆厂 | Electric motor constant pressure carbon brush device |
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| Publication number | Publication date |
|---|---|
| CN106654783A (en) | 2017-05-10 |
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| CP02 | Change in the address of a patent holder |
Address after: 410118 Hunan Dingli Technology Co., Ltd., east of Lantian North Road, north of liangtang East Road and west of Shuangtang Road, Xingsha industrial base, Changsha Economic and Technological Development Zone, Changsha City, Hunan Province Patentee after: ADVANCED CORPORATION FOR MATERIALS & EQUIPMENTS Co.,Ltd. Address before: 410118 Hunan province Changsha City Economic Development Zone Muyun Dingli Science & Technology Park Patentee before: ADVANCED CORPORATION FOR MATERIALS & EQUIPMENTS Co.,Ltd. |
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Address after: 410199 No. 1271, liangtang East Road, Xingsha industrial base (Changlong Street), Changsha area, China (Hunan) pilot Free Trade Zone, Changsha, Hunan Province Patentee after: ADVANCED CORPORATION FOR MATERIALS & EQUIPMENTS Co.,Ltd. Address before: 410118 Hunan Dingli Technology Co., Ltd., east of Lantian North Road, north of liangtang East Road and west of Shuangtang Road, Xingsha industrial base, Changsha Economic and Technological Development Zone, Changsha City, Hunan Province Patentee before: ADVANCED CORPORATION FOR MATERIALS & EQUIPMENTS Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |
Address after: 410199 No. 1271, liangtang East Road, Xingsha industrial base (Changlong Street), Changsha area, China (Hunan) pilot Free Trade Zone, Changsha, Hunan Province Patentee after: Hunan Dingli Technology Co.,Ltd. Address before: 410199 No. 1271, liangtang East Road, Xingsha industrial base (Changlong Street), Changsha area, China (Hunan) pilot Free Trade Zone, Changsha, Hunan Province Patentee before: ADVANCED CORPORATION FOR MATERIALS & EQUIPMENTS Co.,Ltd. |
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