CN110086058A - A kind of sheet air throttle brush and preparation method thereof - Google Patents
A kind of sheet air throttle brush and preparation method thereof Download PDFInfo
- Publication number
- CN110086058A CN110086058A CN201910189404.2A CN201910189404A CN110086058A CN 110086058 A CN110086058 A CN 110086058A CN 201910189404 A CN201910189404 A CN 201910189404A CN 110086058 A CN110086058 A CN 110086058A
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- Prior art keywords
- layer
- brush
- mica
- sheet
- air throttle
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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
- H01R39/20—Contacts for co-operation with commutator or slip-ring, e.g. contact brush characterised by the material thereof
-
- 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
- H01R39/26—Solid sliding contacts, e.g. carbon brush
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/12—Manufacture of brushes
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Motor Or Generator Current Collectors (AREA)
Abstract
The present invention relates to brush technique fields, more particularly to a kind of sheet air throttle brush and preparation method thereof, its structure includes layer of precious metal, the upper and lower surfaces of layer of precious metal are equipped with heat insulation and wear resistance layer, the heat insulation and wear resistance layer is located at the middle part of layer of precious metal, the connection position that can be connect with sensor base plate and be connected with throttle plate pin is stayed between heat insulation and wear resistance layer and the both ends of layer of precious metal, preparation method is using mica sheet as heat insulation and wear resistance layer, micropore is set on mica layer, then make noble metal loading on mica layer with the technology that film deposits, so that noble metal fastening is arranged on mica layer, also preparation method can be prepared wear-resisting, air throttle brush resistant to high temperature.
Description
Technical field
The present invention relates to brush technique fields, and in particular to a kind of sheet air throttle brush and preparation method thereof.
Background technique
Air throttle is one of current most important component of electric jet vehicle engine system, its top is air cleaner air
Lattice, lower part are engine cylinder bodies, are the throats of automobile engine.
Air throttle now is divided into traditional air throttle and electronic throttle two types, wherein electronic throttle is using more
It is extensive.For electronic throttle by throttle position sensor, the energy according to needed for engine controls the opening angle of air throttle
Degree, to adjust the size of air inflow.And the sensor of air throttle includes sensor base plate, and electricity is connected on sensor base plate
Brush, brush and throttle plate pin linkage are to adjust air inflow.
However, air throttle couples with engine for a long time, in-engine fuel oil can generate high temperature, but electric to improve now
The material of the conducted susceptibility of brush, brush is noble metal, and precious metal electric brush receives the influence of in-engine high temperature for a long time, no
But the conductive performance of brush can be reduced, the service life of brush can be also reduced；Further, since brush is needed as connector
It to be swung back and forth according to vehicle-mounted instruction, under being used for a long time in this way, brush also will receive certain abrasion.
Summary of the invention
For the prior art there are above-mentioned technical problem, the present invention provides a kind of wear-resisting, resistant to high temperature sheet air throttle electricity
Brush and provide a kind of preparation method that can prepare sheet air throttle brush wear-resisting, resistant to high temperature.
To achieve the above object, the present invention the following technical schemes are provided:
A kind of sheet air throttle brush, including layer of precious metal are provided, the upper and lower surfaces of the layer of precious metal are all provided with
There is heat insulation and wear resistance layer, which is located at the middle part of the layer of precious metal, the heat insulation and wear resistance layer and the layer of precious metal
Both ends between stay the position that can be connect with sensor base plate and be connected with throttle plate pin.
Wherein, the material of the layer of precious metal is one of manganese, cobalt, nickel, copper, silver or any two or more alloy.
And a kind of preparation method of sheet air throttle brush is provided, include the following steps,
(1) using two mica sheets as heat insulation and wear resistance layer, respectively the surface breakdown of described two mica sheets several
Micropore；
(2) film deposition techniques are used, by noble metal loading in a side of a mica sheet, then by another cloud
Master slice is attached on noble metal, and two mica sheets are then compacted noble metal, flows into noble metal in the micropore of mica sheet, to make
It obtains noble metal to be fastenedly connected with mica sheet, forms semi-finished product brush；
(3) semi-finished product brush is put into 15~20min of baking in 400~600 DEG C of baking oven, forms layer of precious metal；
(4) rivet is nailed at the edge of the brush layer, two mica sheets are fastenedly connected by the rivet, further make cloud
Master slice is fastenedly connected with layer of precious metal, obtains finished product sheet brush.
Wherein, the size of the micropore is 0.5mm~1mm, and it is too many that the micropore of such size can limit noble metal outflow.
Wherein, using plate, several needle tubings are arranged in an end face of the plate, the plate with needle tubing are pressed in described
The surface of mica sheet is to obtain micropore, so that micropore is quickly made.
Wherein, further comprising the steps of in the step (2): to be compacted a pair of of relative edge of two mica sheets of noble metal
There is high temperature resistant viscose glue along upper painting envelope, which further protects layer of precious metal, and the high temperature resistant viscose includes graphene
Component and epoxy resin component, graphene have preferable heating conduction and compactness.
Wherein, the method for applying envelope high temperature resistant viscose glue is: graphene and epoxy resin weighed, graphene is milled to powder,
Then graphene powder is uniformly mixed with epoxy resin, the weight ratio of the graphene and the epoxy resin is 3:2, is obtained
To high temperature resistant viscose glue, resulting viscose glue is applied to a pair of of the relative edge edge for being enclosed in described two mica sheets, is then placed in brush dry
It is dry in dry case, complete the painting envelope of high temperature resistant viscose glue.
Wherein, the noble metal being deposited on mica layer with a thickness of 1~2mm.
Beneficial effects of the present invention:
(1) the layer of precious metal surface in brush of the present invention is provided with heat insulation and wear resistance layer, which prevents engine
In high temperature long-term damage noble metal, extend the service life of brush；The heat insulation and wear resistance layer can also play protection layer of precious metal
Effect, improve the wearability of brush, further improve the service life of brush.
(2) micropore is arranged using mica sheet as heat insulation and wear resistance layer in the present invention on mica layer, then deposits with film
Technology make noble metal loading on mica layer so that noble metal fastening be arranged on mica layer.
Detailed description of the invention
Fig. 1 cuts open schematic diagram for a kind of sheet air throttle brush of the present invention.
Appended drawing reference:
Metal layer 1；Mica sheet 2；Micropore 3；Connection position 4
Specific embodiment
Below in conjunction with specific embodiments and drawings, the present invention is described in detail.
Embodiment 1.
A kind of sheet air throttle brush of the present embodiment, shown in Fig. 1, including layer of precious metal 1, the upper surface of layer of precious metal 1
It is equipped with heat insulation and wear resistance layer with lower surface, the heat insulation and wear resistance layer preferred mica sheet 2 offers micropore 3 on mica sheet 2, the mica
Piece 2 is located at the middle part of layer of precious metal, stayed between mica sheet 2 and the both ends of layer of precious metal 1 can be connect with sensor base plate and with section
The connection position 4 that air valve shaft is connected.
In the present embodiment, the material of layer of precious metal 1 is one of manganese, cobalt, nickel, copper, silver or any two or more conjunction
Gold.
Embodiment 2.
A kind of preparation method of the sheet air throttle brush of the present embodiment, it is characterized in that: include the following steps,
(1) using two mica sheets as heat insulation and wear resistance layer, respectively in several micropores of the surface breakdown of two mica sheets；
(2) film deposition techniques are used, by noble metal loading in a side of a mica sheet, then by another cloud
Master slice is attached on noble metal, and two mica sheets are then compacted noble metal, flows into noble metal in the micropore of mica sheet, forms half
Finished product brush；
(3) semi-finished product brush is put into 15~20min of baking in 400~600 DEG C of baking oven, forms layer of precious metal；
(4) rivet is nailed at the edge of brush layer, two mica sheets are fastenedly connected by rivet, obtain finished product sheet brush.
In the present embodiment, the size of micropore is 0.5mm~1mm.
In the present embodiment, using plate, several needle tubings are arranged in an end face of plate, and the plate with needle tubing is pressed in cloud
The surface of master slice is to obtain micropore.
Further comprising the steps of in step (2) in the present embodiment: a pair for being compacted two mica sheets of noble metal is opposite
Envelope is applied on edge high temperature resistant viscose glue, and high temperature resistant viscose includes graphite olefinic constituents and epoxy resin component.
In the present embodiment, the method for applying envelope high temperature resistant viscose glue is: weighing graphene and epoxy resin, graphene is milled to
Then graphene powder is uniformly mixed by powder with epoxy resin, the weight ratio of graphene and epoxy resin is 3:2, is obtained
Resulting viscose glue is applied a pair of of the relative edge edge for being enclosed in two mica sheets, then brush is placed in drying box by high temperature resistant viscose glue
It is dry, complete the painting envelope of high temperature resistant viscose glue.
In the present embodiment, be deposited on the noble metal on mica layer with a thickness of 1~2mm.
Embodiment 3
A kind of preparation method of the sheet air throttle brush of the present embodiment, it is characterized in that: include the following steps,
(1) using two mica sheets as heat insulation and wear resistance layer, respectively in several micropores of the surface breakdown of two mica sheets；
(2) film deposition techniques are used, by noble metal loading in a side of a mica sheet, then by another cloud
Master slice is attached on noble metal, and two mica sheets are then compacted noble metal, flows into noble metal in the micropore of mica sheet, forms half
Finished product brush；
(3) semi-finished product brush is put into 15~20min of baking in 400~600 DEG C of baking oven, forms layer of precious metal；
(4) rivet is nailed at the edge of brush layer, two mica sheets are fastenedly connected by rivet, obtain finished product sheet brush.
In the present embodiment, the size of micropore is 0.5mm~1mm.
In the present embodiment, using plate, several needle tubings are arranged in an end face of plate, and the plate with needle tubing is pressed in cloud
The surface of master slice is to obtain micropore.
Further comprising the steps of in step (2) in the present embodiment: a pair for being compacted two mica sheets of noble metal is opposite
Envelope is applied on edge high temperature resistant viscose glue, and high temperature resistant viscose includes graphite olefinic constituents and epoxy resin component.
In the present embodiment, the method for applying envelope high temperature resistant viscose glue is: weighing graphene and epoxy resin, graphene is milled to
Then graphene powder is uniformly mixed by powder with epoxy resin, the weight ratio of graphene and epoxy resin is 3:2, is obtained
Resulting viscose glue is applied a pair of of the relative edge edge for being enclosed in two mica sheets, then brush is placed in drying box by high temperature resistant viscose glue
It is dry, complete the painting envelope of high temperature resistant viscose glue.
In the present embodiment, be deposited on the noble metal on mica layer with a thickness of 1~2mm.
Embodiment 4.
A kind of preparation method of the sheet air throttle brush of the present embodiment, it is characterized in that: include the following steps,
(1) using two mica sheets as heat insulation and wear resistance layer, respectively in several micropores of the surface breakdown of two mica sheets；
(2) film deposition techniques are used, by noble metal loading in a side of a mica sheet, then by another cloud
Master slice is attached on noble metal, and two mica sheets are then compacted noble metal, flows into noble metal in the micropore of mica sheet, forms half
Finished product brush；
(3) semi-finished product brush is put into 15~20min of baking in 400~600 DEG C of baking oven, forms layer of precious metal；
(4) rivet is nailed at the edge of brush layer, two mica sheets are fastenedly connected by rivet, obtain finished product sheet brush.
In the present embodiment, the size of micropore is 0.5mm~1mm.
In the present embodiment, using plate, several needle tubings are arranged in an end face of plate, and the plate with needle tubing is pressed in cloud
The surface of master slice is to obtain micropore.
Further comprising the steps of in step (2) in the present embodiment: a pair for being compacted two mica sheets of noble metal is opposite
Envelope is applied on edge high temperature resistant viscose glue, and high temperature resistant viscose includes graphite olefinic constituents and epoxy resin component.
In the present embodiment, the method for applying envelope high temperature resistant viscose glue is: weighing graphene and epoxy resin, graphene is milled to
Then graphene powder is uniformly mixed by powder with epoxy resin, the weight ratio of graphene and epoxy resin is 3:2, is obtained
Resulting viscose glue is applied a pair of of the relative edge edge for being enclosed in two mica sheets, then brush is placed in drying box by high temperature resistant viscose glue
It is dry, complete the painting envelope of high temperature resistant viscose glue.
In the present embodiment, be deposited on the noble metal on mica layer with a thickness of 1~2mm.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than the present invention is protected
The limitation of range is protected, although explaining in detail referring to preferred embodiment to the present invention, those skilled in the art are answered
Work as understanding, it can be with modification or equivalent replacement of the technical solution of the present invention are made, without departing from the reality of technical solution of the present invention
Matter and range.
Claims (8)
1. a kind of sheet air throttle brush, it is characterized in that: including layer of precious metal, the upper and lower surfaces of the layer of precious metal are equal
Equipped with heat insulation and wear resistance layer, which is located at the middle part of the layer of precious metal, the heat insulation and wear resistance layer and the noble metal
The connection position that can be connect with sensor base plate and be connected with throttle plate pin is stayed between the both ends of layer.
2. a kind of sheet air throttle brush according to claim 1, it is characterized in that: the material of the layer of precious metal be manganese,
One of cobalt, nickel, copper, silver or any two or more alloy.
3. a kind of preparation method of sheet air throttle brush of any of claims 1 or 2, it is characterized in that: include the following steps,
(1) using two mica sheets as heat insulation and wear resistance layer, respectively in several micropores of the surface breakdown of described two mica sheets；
(2) film deposition techniques are used, by noble metal loading in a side of a mica sheet, then by another mica sheet
It is attached on noble metal, two mica sheets is then compacted noble metal, flow into noble metal in the micropore of mica sheet, form semi-finished product
Brush；
(3) semi-finished product brush is put into 15~20min of baking in 400~600 DEG C of baking oven, forms layer of precious metal；
(4) rivet is nailed at the edge of the brush layer, two mica sheets are fastenedly connected by the rivet, obtain finished product sheet electricity
Brush.
4. the preparation method of a kind of sheet air throttle brush according to claim 3, it is characterized in that: the size of the micropore
For 0.5mm~1mm.
5. a kind of preparation method of sheet air throttle brush according to claim 4, it is characterized in that: using plate, it is described
Several needle tubings are arranged in one end face of plate, and the plate with needle tubing is pressed in the surface of the mica sheet to obtain micropore.
6. a kind of preparation method of sheet air throttle brush according to claim 3, it is characterized in that: in the step (2),
Further comprising the steps of: a pair of of the relative edge for being compacted two mica sheets of noble metal has high temperature resistant viscose glue along upper painting envelope, described resistance to
High temperature viscose includes graphite olefinic constituents and epoxy resin component.
7. the preparation method of a kind of sheet air throttle brush according to claim 6, it is characterized in that: applying envelope high temperature resistant viscose glue
Method be: weigh graphene and epoxy resin, graphene be milled to powder, then mixes graphene powder and epoxy resin
It closes uniformly, the weight ratio of the graphene and the epoxy resin is 3:2, obtains high temperature resistant viscose glue, resulting viscose glue is applied
It is enclosed in a pair of of relative edge edge of described two mica sheets, brush is then placed in drying in drying box, completes high temperature resistant viscose glue
Apply envelope.
8. the preparation method of a kind of sheet air throttle brush according to claim 3, it is characterized in that: described be deposited on mica
Noble metal on layer with a thickness of 1~2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910189404.2A CN110086058B (en) | 2019-03-13 | 2019-03-13 | Sheet throttle electric brush and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910189404.2A CN110086058B (en) | 2019-03-13 | 2019-03-13 | Sheet throttle electric brush and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110086058A true CN110086058A (en) | 2019-08-02 |
| CN110086058B CN110086058B (en) | 2020-11-17 |
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ID=67412479
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910189404.2A Active CN110086058B (en) | 2019-03-13 | 2019-03-13 | Sheet throttle electric brush and preparation method thereof |
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| CN (1) | CN110086058B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110951230A (en) * | 2019-12-10 | 2020-04-03 | 万奔电子科技股份有限公司 | Photovoltaic inverter power supply multilayer board and preparation process thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201075561Y (en) * | 2007-08-07 | 2008-06-18 | 上海新跃仪表厂 | Air control shutter position transducer electrical brush |
| CN201323366Y (en) * | 2008-12-29 | 2009-10-07 | 任丘市双楼电碳制品有限公司 | Brush with wire and one-step molded three-layer material structure |
| CN102747247A (en) * | 2011-10-29 | 2012-10-24 | 重庆川仪自动化股份有限公司 | Pt-containing slide contact material and layered composite material |
-
2019
- 2019-03-13 CN CN201910189404.2A patent/CN110086058B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201075561Y (en) * | 2007-08-07 | 2008-06-18 | 上海新跃仪表厂 | Air control shutter position transducer electrical brush |
| CN201323366Y (en) * | 2008-12-29 | 2009-10-07 | 任丘市双楼电碳制品有限公司 | Brush with wire and one-step molded three-layer material structure |
| CN102747247A (en) * | 2011-10-29 | 2012-10-24 | 重庆川仪自动化股份有限公司 | Pt-containing slide contact material and layered composite material |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110951230A (en) * | 2019-12-10 | 2020-04-03 | 万奔电子科技股份有限公司 | Photovoltaic inverter power supply multilayer board and preparation process thereof |
| CN110951230B (en) * | 2019-12-10 | 2022-02-08 | 万奔电子科技股份有限公司 | Photovoltaic inverter power supply multilayer board and preparation process thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110086058B (en) | 2020-11-17 |
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