CN105719859B - A kind of diode mounting structure of switch - Google Patents
A kind of diode mounting structure of switch Download PDFInfo
- Publication number
- CN105719859B CN105719859B CN201610213081.2A CN201610213081A CN105719859B CN 105719859 B CN105719859 B CN 105719859B CN 201610213081 A CN201610213081 A CN 201610213081A CN 105719859 B CN105719859 B CN 105719859B
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- Prior art keywords
- diode
- oxide
- pedestal
- semiconductor
- metal
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
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- Cooling Or The Like Of Electrical Apparatus (AREA)
- Breakers (AREA)
Abstract
The invention discloses a kind of diode mounting structures of switch, including diode and pedestal, the metal-oxide-semiconductor of the diode and motor switch is fixed in side by side on the pedestal of switch, the cooling fin contacted with diode and metal-oxide-semiconductor upper end is fixed on the pedestal, the diode is parallel diode, the parallel diode includes two independent positive pins and a shared negative pin, positive terminal is provided on the pedestal, negative terminal and connection terminal, the positive pin of two of the diode is electrically connected with connection terminal, the negative pin of the diode is connect with negative terminal, the S grade of the metal-oxide-semiconductor is electrically connected with complete machine terminal, the D grade of metal-oxide-semiconductor is electrically connected with connection terminal.The mounting structure can make the heat dissipation effect of diode more preferable, and structure is more compact, and electrical reliability is higher.
Description
Technical field
The present invention relates to a kind of diode mounting structures, particularly relate to a kind of diode mounting structure of switch.
Background technique
The freewheeling diode that the diode that electric tool switch uses currently on the market mostly uses the encapsulation of R series axial is few
Number switch uses the diode of disk encapsulating structure, but will appear higher cost in practical applications, the heat dissipation effect of diode
Fruit is poor, and installation is inconvenient, the not high problem of electrical reliability.
Summary of the invention
The technical problems to be solved by the present invention are: providing a kind of diode mounting structure of switch, which can
Keep the heat dissipation effect of diode more preferable, structure is more compact, and electrical reliability is higher.
In order to solve the above technical problems, the technical scheme is that a kind of diode mounting structure of switch, including two
The metal-oxide-semiconductor of pole pipe and pedestal, the diode and motor switch is fixed in side by side on the pedestal of switch, is fixed on the pedestal
The cooling fin contacted with diode and metal-oxide-semiconductor upper end, the diode are parallel diode, which includes two
A independent positive pin and a shared negative pin are provided with positive terminal, negative terminal and connection on the pedestal
Terminal, the positive pin of two of the diode are electrically connected with connection terminal, the negative pin and negative terminal of the diode
Connection, the S grade of the metal-oxide-semiconductor are electrically connected with complete machine terminal, and the D grade of metal-oxide-semiconductor is electrically connected with connection terminal.
As a preferred solution, the cooling fin is fixed on pedestal by the first fastening screw, the diode
On be provided with fixation hole, first fastening screw is installed in fixation hole and fixes diode.
As a preferred solution, it is provided with mounting hole on the metal-oxide-semiconductor, is equipped on the cooling fin and is located at installation
The second fastening screw in hole, the connection terminal and negative terminal by the second fastening screw be installed on metal-oxide-semiconductor and pedestal it
Between.
As a preferred solution, insulated contact between the diode and cooling fin.
As a preferred solution, first fastening screw and the second fastening screw are in the both ends of heat sink.
As a preferred solution, it is provided with jack on the connection terminal, two anodes of the diode draw
It is electrically connected on the jack of foot insertion connection terminal with connection terminal.
After above-mentioned technical proposal, effect of the invention is: simultaneously due to the metal-oxide-semiconductor of the diode and motor switch
Row is fixed on the pedestal of switch, and the cooling fin contacted with diode and metal-oxide-semiconductor upper end is fixed on the pedestal, described
Diode is parallel diode, which includes two independent positive pins and a shared negative pin, institute
It states and is provided with positive terminal, negative terminal and connection terminal on pedestal, the positive pin of two of the diode and connection terminal
Electrical connection, the negative pin of the diode are connect with negative terminal, and the S grade of the metal-oxide-semiconductor is electrically connected with complete machine terminal, MOS
The D grade of pipe is electrically connected with connection terminal, which is arranged side by side with metal-oxide-semiconductor and common fins, imitates the heat dissipation of diode
Fruit is more preferable；Construction of switch is more compact；And diode uses parallel diode, electric property is stablized, and reliability is higher.Other two
The positive pin of pole pipe is directly connect by connection terminal with the D of metal-oxide-semiconductor grade, is eliminated conducting wire and manually, is greatly reduced
The assembly efficiency of product, so that the cost of switch has more the market competitiveness.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the top view of the embodiment of the present invention；
Fig. 2 is cross-sectional view of the Fig. 1 at A-A；
Fig. 3 is the left view of Fig. 2；
Fig. 4 is cross-sectional view of the Fig. 1 at B-B；
In attached drawing: 1. cooling fins；2. the first fastening screw；3. the second fastening screw；4. positive pin；5. negative pin；
6. negative terminal；7. connection terminal；8. positive terminal；9. pedestal；10.MOS pipe.
Specific embodiment
Below by specific embodiment, the present invention is described in further detail.
As shown in Figures 1 to 4, a kind of diode mounting structure of switch, including diode and pedestal 9, the diode
It is fixed in side by side on the pedestal 9 of switch, is fixed on the pedestal 9 and diode and metal-oxide-semiconductor 10 with the metal-oxide-semiconductor 10 of motor switch
The cooling fin 1 that upper end contacts, the diode are parallel diode, are encapsulated for TO-220.The parallel diode packet
Two independent positive pins 4 and a shared negative pin 5 are included, is provided with positive terminal 8, negative pole end on the pedestal 9
Son 6 and connection terminal 7, the positive pin 4 of two of the diode are electrically connected with connection terminal 7, and the cathode of the diode draws
Foot 5 is connect with negative terminal 6, and the S grade of the metal-oxide-semiconductor 10 is electrically connected with complete machine terminal, 7 electricity of D grade and connection terminal of metal-oxide-semiconductor 10
Connection.
Wherein, the cooling fin 1 is fixed on pedestal 9 by the first fastening screw 2, is provided with fixation on the diode
Hole, first fastening screw 2 are installed in fixation hole and fix diode.And it is provided with mounting hole on the metal-oxide-semiconductor 10, institute
The second fastening screw 3 being equipped in mounting hole on cooling fin 1 is stated, the connection terminal 7 and negative terminal 6 pass through second
Fastening screw 3 is installed between metal-oxide-semiconductor 10 and pedestal 9, as shown in Figure 1, cooling fin 1 is tight using the first fastening screw 2 and second
Gu screw 3 is fixed on pedestal 9.First fastening screw 2 and the second fastening screw 3 are in the both ends of heat sink.And it is described
Insulated contact between diode and cooling fin 1.Metal-oxide-semiconductor 10 and diode common fins 1, the heat that diode generates also are dissipated
Backing 1 is taken away, thus keep the heat dissipation of diode more preferable, meanwhile, diode and metal-oxide-semiconductor 10 are by the same 1 envelope pressure of cooling fin, structure
It is compact, it is easy for installation.
It is provided with jack on the connection terminal 7, the positive pin 4 of two of the diode is inserted into connection terminal 7
It is electrically connected on jack with connection terminal 7.In the present embodiment, two positive pins 4 are folded upward at the jack of insertion connection terminal 7
In, and a negative pin 5 is bent downward in insertion negative terminal 6.
Embodiment described above is only the description to the preferred embodiment of the present invention, not as the limit to the scope of the invention
It is fixed, on the basis of not departing from design spirit of the present invention, to various modifications and transformation that technical solution of the present invention is made, it should all fall
Enter in the protection scope that claims of the present invention determines.
Claims (5)
1. a kind of diode mounting structure of switch, including diode and pedestal, it is characterised in that: the diode and driven opening
The metal-oxide-semiconductor of pass is fixed in side by side on the pedestal of switch, is fixed on the pedestal and is contacted with diode and metal-oxide-semiconductor upper end
Cooling fin, the diode are parallel diode, which includes that two independent positive pins and one are shared
Negative pin is provided with positive terminal, negative terminal and connection terminal, the positive pins of two of the diode on the pedestal
It is electrically connected with connection terminal, the negative pin of the diode is connect with negative terminal, the pole S of the metal-oxide-semiconductor and positive terminal
Electrical connection, the pole D of metal-oxide-semiconductor are electrically connected with connection terminal, insulated contact between the diode and cooling fin.
2. a kind of diode mounting structure of switch as described in claim 1, it is characterised in that: the cooling fin passes through first
Fastening screw is fixed on pedestal, and fixation hole is provided on the diode, and first fastening screw is installed in fixation hole
Diode is fixed.
3. a kind of diode mounting structure of switch as claimed in claim 2, it is characterised in that: be provided on the metal-oxide-semiconductor
Mounting hole, the second fastening screw in mounting hole is equipped on the cooling fin, and the connection terminal and negative terminal are logical
The second fastening screw is crossed to be installed between metal-oxide-semiconductor and pedestal.
4. a kind of diode mounting structure of switch as claimed in claim 3, it is characterised in that: first fastening screw and
Second fastening screw is in the both ends of cooling fin.
5. a kind of diode mounting structure of switch as claimed in claim 4, it is characterised in that: be arranged on the connection terminal
There is jack, is electrically connected on the jack of the positive pin insertion connection terminal of two of the diode with connection terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610213081.2A CN105719859B (en) | 2016-04-07 | 2016-04-07 | A kind of diode mounting structure of switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610213081.2A CN105719859B (en) | 2016-04-07 | 2016-04-07 | A kind of diode mounting structure of switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105719859A CN105719859A (en) | 2016-06-29 |
| CN105719859B true CN105719859B (en) | 2018-12-04 |
Family
ID=56159712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610213081.2A Active CN105719859B (en) | 2016-04-07 | 2016-04-07 | A kind of diode mounting structure of switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105719859B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4631474A (en) * | 1984-07-11 | 1986-12-23 | The United States Of America As Represented By The Secretary Of The Air Force | High or low-side state relay with current limiting and operational testing |
| GB0025832D0 (en) * | 2000-10-21 | 2000-12-06 | Trw Ltd | Fast current control of inductive loads |
| CN1855328A (en) * | 2005-04-18 | 2006-11-01 | 创科实业有限公司 | Switch assembly |
| CN202307557U (en) * | 2011-11-02 | 2012-07-04 | 陆存荣 | Switch for electric power tool |
| CN103219342A (en) * | 2013-04-07 | 2013-07-24 | 浙江工业大学 | Double-junction depth photodiode for fluorescence detection |
| CN103337974A (en) * | 2013-06-26 | 2013-10-02 | 庄景阳 | Air volume signal fuel-saving rectifier |
| CN203339011U (en) * | 2013-07-26 | 2013-12-11 | 乐清市杰拉华电器有限公司 | Mounting structure of diode in direct current speed control switch |
| CN204905057U (en) * | 2015-09-21 | 2015-12-23 | 宁波市鄞州荣达电器厂 | Electric tool switch |
| CN205487800U (en) * | 2016-04-07 | 2016-08-17 | 苏州华之杰电讯有限公司 | Diode mounting structure of switch |
-
2016
- 2016-04-07 CN CN201610213081.2A patent/CN105719859B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4631474A (en) * | 1984-07-11 | 1986-12-23 | The United States Of America As Represented By The Secretary Of The Air Force | High or low-side state relay with current limiting and operational testing |
| GB0025832D0 (en) * | 2000-10-21 | 2000-12-06 | Trw Ltd | Fast current control of inductive loads |
| CN1855328A (en) * | 2005-04-18 | 2006-11-01 | 创科实业有限公司 | Switch assembly |
| CN202307557U (en) * | 2011-11-02 | 2012-07-04 | 陆存荣 | Switch for electric power tool |
| CN103219342A (en) * | 2013-04-07 | 2013-07-24 | 浙江工业大学 | Double-junction depth photodiode for fluorescence detection |
| CN103337974A (en) * | 2013-06-26 | 2013-10-02 | 庄景阳 | Air volume signal fuel-saving rectifier |
| CN203339011U (en) * | 2013-07-26 | 2013-12-11 | 乐清市杰拉华电器有限公司 | Mounting structure of diode in direct current speed control switch |
| CN204905057U (en) * | 2015-09-21 | 2015-12-23 | 宁波市鄞州荣达电器厂 | Electric tool switch |
| CN205487800U (en) * | 2016-04-07 | 2016-08-17 | 苏州华之杰电讯有限公司 | Diode mounting structure of switch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105719859A (en) | 2016-06-29 |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| CB02 | Change of applicant information |
Address after: Wuzhong District Suzhou City, Jiangsu Province town 215156 Suzhou Huazhijie Telecom Limited by Share Ltd Applicant after: Suzhou Huazhijie Telecom Limited by Share Ltd Address before: Wuzhong District Suzhou City, Jiangsu Province town 215100 Suzhou Huazhijie Telecom Co. Ltd. Applicant before: Suzhou Huazhijie Telecom Co., Ltd. |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |