CN204053991U - The cable connection structure of electric tool and external frequency converter - Google Patents
The cable connection structure of electric tool and external frequency converter Download PDFInfo
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- CN204053991U CN204053991U CN201420504055.1U CN201420504055U CN204053991U CN 204053991 U CN204053991 U CN 204053991U CN 201420504055 U CN201420504055 U CN 201420504055U CN 204053991 U CN204053991 U CN 204053991U
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- cable
- frequency converter
- electric
- asynchronous machine
- power
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Abstract
The utility model belongs to field of power tools, adopt hard reboot to cause electrical machinery life short and the cable connection structure of a kind of electric tool of providing and external frequency converter for the motor of existing electric tool, comprise power tool body, threephase asynchronous machine is provided with in power tool body, threephase asynchronous machine is electrically connected a frequency converter by cable, described power tool body is provided with an electric switch, electric switch is connected electrically between the power supply input electric wire of threephase asynchronous machine and cable, the output of described frequency converter is a connector socket, described cable is three cores or quad, the power access end of cable is provided with the connector plug matched with connector body, the electric tool of said structure is adopted to be slow start when starting, shake little during starting, dangerous little, and there is overvoltage protection and overload protection etc.
Description
Technical field
The utility model relates to electric tool technical field, particularly relates to a kind of electric tool with external frequency converter.
Background technology
The motor of current electric tool is all adopt brush motor, carbon brush is fragile, change trouble, and this kind of electric tool is all hard reboot mode, when startup, motor reaches high-speed state instantaneously from inactive state, when electric tool is started, huge vibration occurs, careless people is difficult to arrest electric tool, even cause electric tool to drop, damage, and the motor of this kind of electric tool easily burns, service life is short.
Summary of the invention
For the defect that the power supplying apparatus of existing electric tool exists, the utility model provides a kind of structure of Novel electric tool of soft start.
To achieve these goals, technical solution adopted in the utility model is:
The cable connection structure of a kind of electric tool and external frequency converter, comprise power tool body, threephase asynchronous machine is provided with in power tool body, threephase asynchronous machine is electrically connected a frequency converter by cable, described power tool body is provided with an electric switch, electric switch is connected electrically between the power supply input electric wire of threephase asynchronous machine and cable, the output of described frequency converter is a connector socket, described cable is three-core cable or quad, the power access end of cable is provided with connector plug, the connector body grafting of described connector plug and frequency converter.
The beneficial effects of the utility model: during use, the connector plug on stube cable is docked with the connector body on frequency converter, frequency converter is connected with the mains, now frequency converter there is electricity but do not start, electric tool threephase motor circuit connected by the electric switch button pressed on electric tool, after frequency converter detects and connects threephase motor, frequency converter starts, and realizes the soft start function of motor.
Accompanying drawing explanation
Fig. 1 is STRUCTURE DECOMPOSITION schematic diagram of the present utility model;
Fig. 2 is the structural representation of electric tool in the utility model;
Fig. 3 is the structural representation of cable in the utility model;
Fig. 4 is the structural representation of frequency converter in the utility model.
Detailed description of the invention
Below in conjunction with embodiment, the utility model is described further.
Embodiment one
A kind of electric tool as Figure 1-Figure 4 and the cable connection structure of external frequency converter, comprise power tool body 1, it should be noted that and be provided with threephase asynchronous machine in power tool body 1, threephase asynchronous machine is electrically connected a frequency converter 3 by cable 2, described power tool body 1 is provided with an electric switch 4, electric switch 4 is connected electrically between the power supply input electric wire of threephase asynchronous machine and cable, the output of described frequency converter is a connector socket 6, described cable 2 is three-core cable, the power access end of cable is provided with connector plug 5, described connector plug 5 and the connector body grafting of frequency converter.
Embodiment two
The difference of the present embodiment and embodiment one is that described cable is quad, and wherein one is earth connection.
Claims (1)
1. the cable connection structure of an electric tool and external frequency converter, comprise power tool body (1), it is characterized in that: in power tool body (1), be provided with threephase asynchronous machine, threephase asynchronous machine is electrically connected a frequency converter (3) by cable (2), described power tool body (1) is provided with an electric switch (4), electric switch (4) is connected electrically between the power supply input electric wire of threephase asynchronous machine and cable (2), the output of described frequency converter is a connector socket (6), described cable (2) is three cores or quad, the power access end of cable is provided with connector plug (5), the connector body grafting of described connector plug (5) and frequency converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420504055.1U CN204053991U (en) | 2014-09-03 | 2014-09-03 | The cable connection structure of electric tool and external frequency converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420504055.1U CN204053991U (en) | 2014-09-03 | 2014-09-03 | The cable connection structure of electric tool and external frequency converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204053991U true CN204053991U (en) | 2014-12-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420504055.1U Active CN204053991U (en) | 2014-09-03 | 2014-09-03 | The cable connection structure of electric tool and external frequency converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204053991U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107042492A (en) * | 2016-02-04 | 2017-08-15 | 苏州宝时得电动工具有限公司 | Power tool system and its Motor Rotating Speed Control System |
-
2014
- 2014-09-03 CN CN201420504055.1U patent/CN204053991U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107042492A (en) * | 2016-02-04 | 2017-08-15 | 苏州宝时得电动工具有限公司 | Power tool system and its Motor Rotating Speed Control System |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170315 Address after: 321300 Jinhua, Yongkang City Industrial Zone, Xingda Road, No. four, No. 10, No. Patentee after: Zhejiang Fujian Power Tools Co., Ltd. Address before: 321300 Yongkang City, Jinhua Province Jiangnan Industrial Zone, Baiyun District, No., No. six, No. fifth road, No. 11 Patentee before: Zhejiang Dema Electric Co., Ltd. |