CN101860110A - Direct current motor having low vibration electric brush system - Google Patents
Direct current motor having low vibration electric brush system Download PDFInfo
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- CN101860110A CN101860110A CN 201010163709 CN201010163709A CN101860110A CN 101860110 A CN101860110 A CN 101860110A CN 201010163709 CN201010163709 CN 201010163709 CN 201010163709 A CN201010163709 A CN 201010163709A CN 101860110 A CN101860110 A CN 101860110A
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- current machine
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Abstract
The invention relates to a direct current motor having a low vibration electric brush system, comprising a rotor, a stator and an electric brush system; the electric brush system comprises a commutator segment, a carbon brush and a brush frame device; the brush frame device comprises a brush rod used for fixing the electrode wire and a brush handle; the brush rod is fixed on a brush rod seat; the carbon brush is fixed in a locating cavity of the brush handle; a constant pressure spring is connected between the carbon brush and the brush handle in insulating manner; one end of the carbon brush is contacted with the surface of the commutator segment, and the other end thereof is connected with the constant pressure spring; and a damping gasket used for reducing the vibration is installed between the brush rod and the brush rod seat, and/or between the constant pressure spring and the carbon brush. The motor has the advantages of low noise and vibration, small volume, simple structure and convenient maintenance and solves the problems of vibration reduction and noise reduction from vibration transmission approach.
Description
Technical field
The present invention relates to have the direct current machine of low vibration electric brush system, belong to the dc motor technology field, be suitable for requiring low noise, low vibration, be easy to the direct current machine installing and keep in repair
Background technology
In the design of motor, electromagnetic force, the out-of-balance force of structure member, the eigentone of structure own, bearing, end cap and the cooling channel etc. that the motor electromagnetic vibration produces all can cause the vibration and the noise of motor.In direct current machine, except that above-mentioned reason, can produce bigger vibration and noise equally between commutator and the brush.Noise directly has influence on people's work and life, particularly builds under reliable and the calm type naval vessels trend trend current, and direct current machine must have low noise, low vibration, little, the characteristics for ease of maintenaince of volume concurrently.
The vibration and noise reducing measure of existing direct current machine mainly is to optimize motor scheme, adopts auxiliary deadener, improves the dynamic balancing level of rotatable parts and mates suitable measures such as vibration isolator.These measures of being adopted all can reduce the vibration and the noise level of motor to a certain extent, but the vibration of brush part is not had clearly effect.
Summary of the invention
The objective of the invention is to, overcome the shortcoming of prior art, a kind of direct current machine with low vibration electric brush system is provided, it is by the improvement to the direct current machine brush-system, realizes the purpose of direct current machine vibration and noise reducing.
Technical scheme of the present invention is:
A kind of direct current machine with low vibration electric brush system comprises rotor, stator and brush-system; Described brush-system comprises commutator segment, carbon brush, brush holder device; Described brush holder device comprises the brush holder support that is used for fixing electrode wires, also has brush carrier; Described brush holder support is fixed on the brush yoke; Described carbon brush is installed in the positioning chamber of brush carrier; Insulation is connected with constant force spring between carbon brush and brush carrier; One end of carbon brush contacts with the commutator segment surface, and the other end is connected with constant force spring; Between brush holder support and the brush yoke, and/or between constant force spring and the carbon brush, the damping gasket that is used to reduce vibration is installed.
Further technical scheme is:
Described direct current machine with low vibration electric brush system is equipped with the damping gasket that is used to reduce vibration between its brush holder support and the brush yoke, fix by insulation spacer between constant force spring and the carbon brush.
Described direct current machine with low vibration electric brush system is equipped with the damping gasket that is used to reduce vibration between its brush holder support and the brush yoke, fix by damping gasket fixing on insulation spacer and carbon brush one end between constant force spring one end and the carbon brush.
Described direct current machine with low vibration electric brush system, the damping gasket that is used to reduce vibration is installed between its brush holder support and the brush yoke, fix by damping gasket fixing on carbon brush one end between constant force spring one end and the carbon brush, the other end and the brush carrier of constant force spring are fixed by insulation spacer.
Described direct current machine with low vibration electric brush system, its damping gasket is made of damping substrate, damping layer and the stack of damping panel; Damping layer is between damping substrate and damping panel.
Described direct current machine with low vibration electric brush system, its damping layer is made for the absorbing material.
Described direct current machine with low vibration electric brush system, its damping substrate and damping panel are selected from metallic plate, or the organic material plate, or composite panel.
Described direct current machine with low vibration electric brush system, described metallic plate is selected from steel plate, or aluminium sheet, or alloy sheets.
Described direct current machine with low vibration electric brush system, described absorbing material is selected from damping material, comprises organic material, or inorganic material; Described organic material is selected from rubber, or damping paint, and inorganic material is selected from spring.
Described direct current machine with low vibration electric brush system, its brush holder support is fixedlyed connected with brush yoke, and this brush holder support also is connected with the brush holder support support fixation.
Principle of the present invention is: carbon brush produces vibration and noise when contacting with the commutator segment surface.On the propagation path of vibration, place the damping gasket that constitutes by damping pading plate or other absorbing material, reduce the transfer of vibration rate, increase the damping on the bang path.One: the damping gasket that is used to reduce vibration is installed between brush holder support and the brush yoke, can intercepts the transmission of vibration on brush holder support supports of brush holder device.Its two: the damping gasket that is used to reduce vibration is installed between constant force spring and the carbon brush, and the vibration that can intercept carbon brush is by the transmission of constant force spring on brush carrier.Its three: damping steel plate can guarantee on the one hand the rigidity of brush holder, avoids bigger distortion; Can intercept simultaneously the transmission of vibration on brush holder support bracing frame 4 of brush holder system.
Effect of the present invention is remarkable, has the advantage that noise and vibration is low, volume is little, simple in structure, easy to maintenance.Solved the vibration and noise reducing problem from the vibration propagation approach.
Description of drawings
Fig. 1 is the direct current machine partial schematic diagram with low vibration electric brush system;
Fig. 2 is a brush holder apparatus structure schematic diagram;
Fig. 3 is a damping gasket installation site schematic diagram;
Fig. 4 is the damping gasket structural representation;
The pairing name of each mark is called among the figure: 1-commutator segment, 2-carbon brush, 3-brush holder device, 3.1-brush holder support, 3.2-damping gasket, 3.2.1-damping substrate, 3.2.2-damping layer, 3.2.3-damping panel, 3.3-brush yoke, 3.4-constant force spring, 3.5-insulation spacer, the 3.6-brush carrier, the 4-brush holder support supports, the 5-stator, the 6-rotor.
Embodiment
It is as follows that the invention will be further described in conjunction with the accompanying drawings and embodiments:
Embodiment 1:
Shown in Fig. 1-4, a kind of direct current machine with low vibration electric brush system has rotor 6, stator 5 and brush-system; Described brush-system has commutator segment 1, carbon brush 2, brush holder device 3; As shown in Figure 1, 2, 3, described brush holder device 3 is useful on the brush holder support 3.1 of fixed electrode line, also has brush carrier 3.6; Described brush holder support 3.1 is fixed on the brush yoke 3.3; Described carbon brush 2 is installed in the positioning chamber of brush carrier 3.6; Insulation is connected with constant force spring 3.4 between carbon brush 2 and brush carrier 3.6; One end of carbon brush 2 contacts with commutator segment 1 surface, and the other end is connected with constant force spring 3.4; Between brush holder support 3.1 and the brush yoke 3.3, and/or between constant force spring 3.4 and the carbon brush 2, the damping gasket 3.2 that is used to reduce vibration is installed.Present embodiment is equipped with the damping gasket 3.2 that is used to reduce vibration as shown in Figure 2 between brush holder support 3.1 and the brush yoke 3.3, fixing by insulation spacer 3.5 between constant force spring 3.4 and the carbon brush 2.As shown in Figure 4, described damping gasket 3.2 is made of damping substrate 3.2.1, damping layer 3.2.2 and damping panel 3.2.3 stack; Damping layer 3.2.2 is between damping substrate 3.2.1 and damping panel 3.2.3.Described damping substrate 3.2.1 and damping panel 3.2.3 are selected from metallic plate, or the organic material plate, or composite panel.The present embodiment metallic plate is selected from steel plate, specifically is the Q235 steel plate, can also select aluminium sheet, or alloy sheets.Described absorbing material is selected from damping material, is organic material, or inorganic material, and present embodiment is an organic material, is selected from rubber, specifically is vulcanized rubber, can also select damping paint, and inorganic material can be spring.Shown in Fig. 1,3, described brush holder support 3.1 is to be bolted to connection with brush yoke 3.3, and this brush holder support 3.1 also supports 4 with brush holder support and is bolted to connection.In the present embodiment, when machine operation, constant force spring 3.4 presses carbon brush 2, it is contacted with commutator segment 1 surface, brush holder device 3 adopts fastening means and brush holder support support 4 to be connected, at this moment, carbon brush 2 transmits to brush holder support support 4 by brush holder device 3 with the vibration that commutator segment 1 mantle friction produces, and on bang path vibration is isolated.
Embodiment 2:
Different with the foregoing description 1 is, the damping gasket 3.2 that is used to reduce vibration is installed between described brush holder support 3.1 and the brush yoke 3.3, fixes by damping gasket fixing on insulation spacer 3.5 and carbon brush 2 one ends between constant force spring 3.4 1 ends and the carbon brush 2.Described formation damping layer 3.2.2 makes for the absorbing material, is selected from damping paint.In the present embodiment, when machine operation, carbon brush 2 transmits to brush holder support support 4 by brush holder device 3 with the vibration that commutator segment 1 mantle friction produces, and on bang path vibration is isolated.Simultaneously, between carbon brush 2 and constant force spring 3.4, damping gasket is installed, absorbs the vibration of carbon brush 2, reduce the energy of vibration.
Embodiment 3:
Different with the foregoing description 2 is, the damping gasket 3.2 that is used to reduce vibration is installed between described brush holder support 3.1 and the brush yoke 3.3, fix by damping gasket fixing on carbon brush 2 one ends between constant force spring 3.4 1 ends and the carbon brush 2, the other end of constant force spring 3.4 and brush carrier 3.6 are fixed by insulation spacer.
Protection range of the present invention is not limited to the foregoing description.
Claims (10)
1. the direct current machine with low vibration electric brush system comprises rotor, stator and brush-system; Described brush-system comprises commutator segment (1), carbon brush (2), brush holder device (3); It is characterized in that described brush holder device (3) comprises the brush holder support (3.1) that is used for fixing electrode wires, also have brush carrier (3.6); Described brush holder support (3.1) is fixed on the brush yoke (3.3); Described carbon brush (2) is installed in the positioning chamber of brush carrier (3.6); Insulation is connected with constant force spring (3.4) between carbon brush (2) and brush carrier (3.6); One end of carbon brush (2) contacts with commutator segment (1) surface, and the other end is connected with constant force spring (3.4); Between brush holder support (3.1) and the brush yoke (3.3), and/or between constant force spring (3.4) and the carbon brush (2), the damping gasket (3.2) that is used to reduce vibration is installed.
2. according to the described direct current machine of claim 1 with low vibration electric brush system, it is characterized in that, the damping gasket (3.2) that is used to reduce vibration is installed between described brush holder support (3.1) and the brush yoke (3.3), fixing between constant force spring (3.4) and the carbon brush (2) by insulation spacer (3.5).
3. according to the described direct current machine of claim 1 with low vibration electric brush system, it is characterized in that, the damping gasket (3.2) that is used to reduce vibration is installed between described brush holder support (3.1) and the brush yoke (3.3), fixes by damping gasket fixing on insulation spacer (3.5) and carbon brush (2) one ends between constant force spring (3.4) one ends and the carbon brush (2).
4. according to the described direct current machine of claim 1 with low vibration electric brush system, it is characterized in that, the damping gasket (3.2) that is used to reduce vibration is installed between described brush holder support (3.1) and the brush yoke (3.3), fix by damping gasket fixing on carbon brush (2) one ends between constant force spring (3.4) one ends and the carbon brush (2), the other end of constant force spring (3.4) and brush carrier (3.6) are fixed by insulation spacer.
5. according to the described direct current machine of claim 1, it is characterized in that described damping gasket (3.2) is made of damping substrate (3.2.1), damping layer (3.2.2) and damping panel (3.2.3) stack with low vibration electric brush system; Damping layer (3.2.2) is positioned between damping substrate (3.2.1) and the damping panel (3.2.3).
6. according to the described direct current machine of claim 5, it is characterized in that described damping layer (3.2.2) is made for the absorbing material with low vibration electric brush system.
7. according to the described direct current machine of claim 5, it is characterized in that described damping substrate (3.2.1) and damping panel (3.2.3) are selected from metallic plate, or the organic material plate, or composite panel with low vibration electric brush system.
8. according to the described direct current machine of claim 7, it is characterized in that described metallic plate is selected from steel plate, or aluminium sheet, or alloy sheets with low vibration electric brush system.
9. according to the described direct current machine of claim 6, it is characterized in that described absorbing material is selected from damping material, comprises organic material, or inorganic material with low vibration electric brush system; Described organic material is selected from rubber, or damping paint, and inorganic material is selected from spring.
10. according to the described direct current machine with low vibration electric brush system of claim 1, it is characterized in that described brush holder support (3.1) is fixedlyed connected with brush yoke (3.3), this brush holder support (3.1) also supports (4) with brush holder support fixedlys connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010163709 CN101860110B (en) | 2010-04-29 | 2010-04-29 | Direct current motor having low vibration electric brush system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010163709 CN101860110B (en) | 2010-04-29 | 2010-04-29 | Direct current motor having low vibration electric brush system |
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| Publication Number | Publication Date |
|---|---|
| CN101860110A true CN101860110A (en) | 2010-10-13 |
| CN101860110B CN101860110B (en) | 2012-09-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010163709 Active CN101860110B (en) | 2010-04-29 | 2010-04-29 | Direct current motor having low vibration electric brush system |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1193831A2 (en) * | 2000-09-05 | 2002-04-03 | Asmo Co., Ltd. | Brush holding device capable of reducing noise |
| US20020053836A1 (en) * | 2000-11-08 | 2002-05-09 | Mitsubishi Denki Kabushiki Kaisha | Commutator motor |
| CN201048318Y (en) * | 2007-06-20 | 2008-04-16 | 赵成龙 | Brush carrier structure of motor brush |
| CN201332204Y (en) * | 2008-12-29 | 2009-10-21 | 中国船舶重工集团公司第七一二研究所 | Direct current motor |
| CN201674374U (en) * | 2010-04-29 | 2010-12-15 | 中国船舶重工集团公司第七一二研究所 | DC motor with low-vibration electric brush system |
-
2010
- 2010-04-29 CN CN 201010163709 patent/CN101860110B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1193831A2 (en) * | 2000-09-05 | 2002-04-03 | Asmo Co., Ltd. | Brush holding device capable of reducing noise |
| US20020053836A1 (en) * | 2000-11-08 | 2002-05-09 | Mitsubishi Denki Kabushiki Kaisha | Commutator motor |
| CN201048318Y (en) * | 2007-06-20 | 2008-04-16 | 赵成龙 | Brush carrier structure of motor brush |
| CN201332204Y (en) * | 2008-12-29 | 2009-10-21 | 中国船舶重工集团公司第七一二研究所 | Direct current motor |
| CN201674374U (en) * | 2010-04-29 | 2010-12-15 | 中国船舶重工集团公司第七一二研究所 | DC motor with low-vibration electric brush system |
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| Publication number | Publication date |
|---|---|
| CN101860110B (en) | 2012-09-05 |
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Effective date of registration: 20151013 Address after: 430064, Wuhan City, Hubei province Hongshan District Lion Hill Street South Lake (steam School Village) Patentee after: Wuhan Changhai electric propulsion and chemical power supply Co., Ltd. Address before: 430064 Hubei City, Hongshan District, lion street, steam school, a village Patentee before: No.712 Inst., China Ship Heavy Industry Group Co. |