CN113394630A - CT slip ring brush holder and forming method thereof - Google Patents
CT slip ring brush holder and forming method thereof Download PDFInfo
- Publication number
- CN113394630A CN113394630A CN202110746395.XA CN202110746395A CN113394630A CN 113394630 A CN113394630 A CN 113394630A CN 202110746395 A CN202110746395 A CN 202110746395A CN 113394630 A CN113394630 A CN 113394630A
- Authority
- CN
- China
- Prior art keywords
- brush holder
- slip ring
- plate
- copper plate
- steps
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 36
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 44
- 229910052802 copper Inorganic materials 0.000 claims abstract description 44
- 239000010949 copper Substances 0.000 claims abstract description 44
- 239000005011 phenolic resin Substances 0.000 claims abstract description 21
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229920001568 phenolic resin Polymers 0.000 claims abstract description 20
- 239000003822 epoxy resin Substances 0.000 claims abstract description 14
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 14
- 238000003466 welding Methods 0.000 claims description 11
- 239000003292 glue Substances 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 8
- 238000005476 soldering Methods 0.000 claims description 8
- -1 phenolic aldehyde Chemical class 0.000 claims description 7
- 230000006698 induction Effects 0.000 claims description 5
- 238000003801 milling Methods 0.000 claims description 5
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 239000004593 Epoxy Substances 0.000 claims description 2
- 238000007664 blowing Methods 0.000 claims description 2
- 238000005266 casting Methods 0.000 claims description 2
- 238000001816 cooling Methods 0.000 claims description 2
- 238000005520 cutting process Methods 0.000 claims description 2
- RCHKEJKUUXXBSM-UHFFFAOYSA-N n-benzyl-2-(3-formylindol-1-yl)acetamide Chemical compound C12=CC=CC=C2C(C=O)=CN1CC(=O)NCC1=CC=CC=C1 RCHKEJKUUXXBSM-UHFFFAOYSA-N 0.000 claims description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 2
- 238000003754 machining Methods 0.000 claims 8
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000002173 cutting fluid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
Images
Classifications
-
- 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
- H01R39/38—Brush holders
-
- 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
- H01R43/10—Manufacture of slip-rings
-
- 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 invention discloses a CT slip ring brush holder and a forming method thereof, wherein the CT slip ring brush holder comprises a holder body and a brush holder, a conductive channel and a brush holder mounting hole for mounting and placing the brush holder are formed in the holder body, the holder body is composed of a phenolic resin plate and a copper plate arranged on the phenolic resin plate, and a brown semitransparent epoxy resin layer is further arranged on the outer surface of the copper plate. The phenolic resin plate and the copper plate are mutually adhered to replace the existing thick copper-clad plate, so that the use of copper is reduced, and the cost is reduced.
Description
Technical Field
The invention relates to the technical field of CT slip rings, in particular to a CT slip ring brush holder and a forming method thereof.
Background
The large-scale disc type slip ring is used for the application occasions with limited space in the height direction of the slip ring. For example in the medical device, measurement, testing, printing and textile industries. The CT slip ring in the current CT machine is generally a large-scale disc slip ring of the type.
When the CT machine rotates to work, the upper part of the CT machine needs high-power electric energy of more than 80 kW. CT slip rings therefore need to be able to pass large operating currents, typically 120A channels. Due to the limitation of the size of a machine, each channel of the CT slip ring power ring needs 6-10 carbon brushes which are connected in parallel to be used as a current pickup component.
Wherein the brushes need to be fixed using a brush holder. At present, a thick copper-clad plate is mostly adopted as a carrier in the market, so that the cost is higher.
The method for manufacturing the high-current-carrying CT slip ring brush holder with low cost is especially necessary.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a CT slip ring brush holder and a forming method thereof.
The invention aims to: provided is a CT slip ring brush holder which can reduce the cost.
The second purpose of the invention is that: the method for forming the CT slip ring brush holder can manufacture the CT slip ring brush holder with lower cost.
The technical scheme adopted by the first purpose of the invention is as follows:
the utility model provides a CT sliding ring brush yoke, includes support body and brush holder, set up electrically conductive passageway and supply the brush holder installation to place the brush holder mounting hole on the support body, the support body includes the phenolic resin board and sets up the copper on the phenolic resin board, the copper still is equipped with the translucent epoxy layer of brown color on the surface.
Further setting the following steps: the brush holder mounting holes are arranged in the conductive channel, the shape of the conductive channel is matched with that of the conductive slip ring on the CT slip ring, and the brush holder mounting holes are uniformly arranged along the shape of the conductive channel.
Further setting the following steps: the number of the conductive channels is four, and 5 or 6 conductive channels are arranged in the conductive channels.
The second purpose of the invention adopts the technical scheme that:
a method for forming a CT slip ring brush holder is characterized by comprising the following steps: the method comprises the following steps:
(1) cutting the phenolic resin plate and the copper plate into cuboids with equal length and width; (2) uniformly coating glue on the surface of one side of the phenolic resin plate; (3) pasting the coated phenolic resin plate and the copper plate to form a frame body, and waiting for glue to be cured; (4) milling a required conductive channel and a brush holder mounting hole on the frame body; (5) inserting the brush holder into the brush holder mounting hole, and soldering the brush holder and the copper plate by using induction heating equipment; (6) and casting a layer of brown semitransparent epoxy resin on the surface of the copper plate.
Preferably, the method comprises the following steps: the thickness of the phenolic resin plate in the step (1) is 8mm, and the copper plate is H59 copper plate and has the thickness of 2 mm.
Preferably, the method comprises the following steps: and (2) the size of the cuboid in the step (1) is matched with the size of the CT slip ring.
Preferably, the method comprises the following steps: the concrete operation mode of mutually pasting the phenolic resin plate and the copper plate in the step (3) is as follows: the coated phenolic aldehyde plate and the copper plate are placed in a vacuum bag at the same time, the copper plate is slid to the position aligned with the phenolic aldehyde plate and pressed to enable glue to be uniformly distributed while vacuumizing is performed, the phenolic aldehyde resin plate and the copper plate are pasted with each other to form a frame body, and then the frame body is taken out to wait for the glue to be cured.
Preferably, the method comprises the following steps: the glue is 3M DP760 epoxy resin.
Preferably, the method comprises the following steps: in the step (5), the soldering temperature is controlled to be 245 +/-5 ℃ by controlling the power and the heating time of the induction heating equipment.
Preferably, the method comprises the following steps: and (5) uniformly distributing soldering tin on the circumference of the welding seam and extending out of the welding seam by 1-2 mm.
Preferably, the method comprises the following steps: and (4) in the step (6), the brown semitransparent epoxy resin is required to completely cover the copper plate and the welding line.
The invention has the beneficial effects that:
1. the phenolic resin plate and the copper plate are mutually pasted to replace the existing thick copper clad plate, so that the use of copper is reduced, and the cost is reduced.
2. Through the pasting mode of step 3, the pasting firmness is enhanced, and the whole frame body structure is firmer and more stable.
3. The brown semitransparent epoxy resin is coated on the surface of the copper plate and completely covers the copper plate and the welding line, so that the material can be well prevented from being oxidized, and the insulating property is improved.
4. The forming method of the brush holder is convenient to manufacture, reduces the cost, and has a stable and durable integral structure.
Drawings
FIG. 1 is a front view of the structure of the present invention
FIG. 2 is a schematic top view of the structure of the present invention
Fig. 3 is an enlarged view of fig. 2A.
In the figure, 1 a frame body, 2 conductive channels, 3 brush holders, 4 brown semitransparent epoxy resin layers, 5 copper plates and 6 phenolic resin plates.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
the first embodiment is as follows:
fig. 1, 2, 3 show, a CT sliding ring brush yoke, including support body 1 and brush holder 3, this support body becomes the cuboid form, has seted up conductive passage 2 on the support body, and this conductive passage is equipped with 4 and each conductive passage shape adaptation CT sliding ring shape, and this conductive passage sets up in support body one side, and this conductive passage is actually for setting up in the recess of support body one side, and the installation of the confession electric conductor is placed in this recess.
Wherein, the conductive channel is internally provided with brush holder mounting holes which penetrate through the frame body, and each conductive channel is internally provided with 5 or 6 brush holder mounting holes, wherein the brush holders are respectively arranged in each brush holder mounting hole.
As shown in fig. 1, the positions of the 4 conductive channels are adapted to the shape of the conductive slip ring on the CT slip ring and are arc-shaped, wherein 6 brush holder mounting holes are formed in the 3 conductive channels, and 5 brush holder mounting holes are formed in the 1 conductive channel.
The frame body is formed by mutually sticking a phenolic resin plate 6 and a copper plate 5, wherein the copper plate is exposed on the surface of one side outside and is also provided with a brown semitransparent epoxy resin layer 5, so that the material is well prevented from being oxidized, and the insulating property is improved.
Example two: a method for forming a CT slip ring brush holder comprises the following steps:
(1) a phenol resin plate having a thickness of 8mm and a copper plate having a thickness of 2mm, H59, were cut into rectangular parallelepipeds having the same length and width. (2) Uniformly coating 3M DP760 epoxy resin on the surface of one side of the phenolic aldehyde plate, (3) placing the coated phenolic aldehyde plate and the copper plate in a vacuum bag at the same time, sliding the copper plate to a position aligned with the phenolic aldehyde plate while vacuumizing, pressing the copper plate to uniformly distribute the epoxy resin, and taking out the part to wait for the epoxy resin to be cured. (4) And then milling to form a required conductive channel in the brush holder mounting hole, wherein air blowing cooling is adopted during milling, so that cutting fluid cannot be used. (5) Inserting the brush holder into a hole, soldering the brush holder and the copper plate by using induction heating equipment, controlling the welding temperature to 245 +/-5 ℃ by controlling power and heating time, wherein soldering tin needs to be uniformly distributed on the circumference of a welding line and extends out of the welding line by 1-2 mm. (6) The brown semitransparent epoxy resin is adopted for pouring, so that the copper plate and the welding line are completely covered, the material is prevented from being oxidized, and the insulating property is improved.
The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.
Claims (10)
1. The utility model provides a CT sliding ring brush yoke which characterized in that: including support body and brush holder, set up electrically conductive passageway and supply the brush holder installation to place the brush holder mounting hole on the support body, the support body comprises phenolic resin board and the copper that sets up on the phenolic resin board, still be equipped with the translucent epoxy layer of brown on the copper surface.
2. A method for forming a CT slip ring brush holder is characterized by comprising the following steps: the method comprises the following steps:
(1) cutting the phenolic resin plate and the copper plate into cuboids with equal length and width;
(2) uniformly coating glue on the surface of one side of the phenolic resin plate;
(3) pasting the coated phenolic resin plate and the copper plate to form a frame body, and waiting for glue to be cured;
(4) milling a required conductive channel and a brush holder mounting hole on the frame body;
(5) inserting the brush holder into the brush holder mounting hole, and soldering the brush holder and the copper plate by using induction heating equipment;
(6) and casting a layer of brown semitransparent epoxy resin on the surface of the copper plate.
3. The process for machining the CT slip ring conducting disc as claimed in claim 2, wherein the process comprises the following steps: the thickness of the phenolic resin plate in the step (1) is 8mm, and the copper plate is H59 copper plate and has the thickness of 2 mm.
4. The process for machining the CT slip ring conducting disc as claimed in claim 1, wherein the process comprises the following steps: and (2) the size of the cuboid in the step (1) is matched with the size of the CT slip ring.
5. The process for machining the CT slip ring conducting disc as claimed in claim 2, wherein the process comprises the following steps: the concrete operation mode of mutually pasting the phenolic resin plate and the copper plate in the step (3) is as follows: the coated phenolic aldehyde plate and the copper plate are placed in a vacuum bag at the same time, the copper plate is slid to the position aligned with the phenolic aldehyde plate and pressed to enable glue to be uniformly distributed while vacuumizing is performed, the phenolic aldehyde resin plate and the copper plate are pasted with each other to form a frame body, and then the frame body is taken out to wait for the glue to be cured.
6. The process for machining the CT slip ring conducting disc as claimed in claim 2 or 5, wherein the process comprises the following steps: the glue is 3MDP760 epoxy resin.
7. The process for machining the CT slip ring conducting disc as claimed in claim 2, wherein the process comprises the following steps: in the step (5), the soldering temperature is controlled to be 245 +/-5 ℃ by controlling the power and the heating time of the induction heating equipment.
8. The process for machining the CT slip ring conducting disc as claimed in claim 2 or 7, wherein the process comprises the following steps: and (5) uniformly distributing soldering tin on the circumference of the welding seam and extending out of the welding seam by 1-2 mm.
9. The process for machining the CT slip ring conducting disc as claimed in claim 2, wherein the process comprises the following steps: and (4) in the step (6), the brown semitransparent epoxy resin is required to completely cover the copper plate and the welding line.
10. The process for machining the CT slip ring conducting disc as claimed in claim 2, wherein the process comprises the following steps: and (4) adopting air blowing for cooling during milling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110746395.XA CN113394630A (en) | 2021-07-01 | 2021-07-01 | CT slip ring brush holder and forming method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110746395.XA CN113394630A (en) | 2021-07-01 | 2021-07-01 | CT slip ring brush holder and forming method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113394630A true CN113394630A (en) | 2021-09-14 |
Family
ID=77625044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110746395.XA Pending CN113394630A (en) | 2021-07-01 | 2021-07-01 | CT slip ring brush holder and forming method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113394630A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115360560A (en) * | 2022-08-03 | 2022-11-18 | 嘉兴恩碧技电气有限公司 | Split type large-diameter electrical slip ring body and manufacturing process thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB226160A (en) * | 1923-12-12 | 1925-02-19 | Singer Mfg Co | Brush holder for dynamo electric machines |
| CN1417901A (en) * | 2001-11-05 | 2003-05-14 | 株式会社三协精机制作所 | Motor with brush |
| CN101272027A (en) * | 2007-03-23 | 2008-09-24 | 三菱电机株式会社 | Electric power motor for steering apparatus and manufacturing method thereof |
| CN102082380A (en) * | 2010-12-01 | 2011-06-01 | 上海谊灵机电科技有限公司 | Collecting ring and brush yoke for brush system of wind driven generator and manufacturing process |
| CN205647197U (en) * | 2016-05-27 | 2016-10-12 | 湘潭电机股份有限公司 | Motor sliding ring brush yoke |
| CN206226181U (en) * | 2016-12-05 | 2017-06-06 | 摩腾科技（上海）有限公司 | 4MW wind-driven generator brush holder assembly systems |
-
2021
- 2021-07-01 CN CN202110746395.XA patent/CN113394630A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB226160A (en) * | 1923-12-12 | 1925-02-19 | Singer Mfg Co | Brush holder for dynamo electric machines |
| CN1417901A (en) * | 2001-11-05 | 2003-05-14 | 株式会社三协精机制作所 | Motor with brush |
| CN101272027A (en) * | 2007-03-23 | 2008-09-24 | 三菱电机株式会社 | Electric power motor for steering apparatus and manufacturing method thereof |
| CN102082380A (en) * | 2010-12-01 | 2011-06-01 | 上海谊灵机电科技有限公司 | Collecting ring and brush yoke for brush system of wind driven generator and manufacturing process |
| CN205647197U (en) * | 2016-05-27 | 2016-10-12 | 湘潭电机股份有限公司 | Motor sliding ring brush yoke |
| CN206226181U (en) * | 2016-12-05 | 2017-06-06 | 摩腾科技（上海）有限公司 | 4MW wind-driven generator brush holder assembly systems |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115360560A (en) * | 2022-08-03 | 2022-11-18 | 嘉兴恩碧技电气有限公司 | Split type large-diameter electrical slip ring body and manufacturing process thereof |
| CN115360560B (en) * | 2022-08-03 | 2023-06-30 | 浙江恩碧技创新科技有限公司 | Split type large-diameter electric slip ring body and manufacturing process thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210914 |
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| RJ01 | Rejection of invention patent application after publication |