CN209659127U - A kind of electric tool series excited machine - Google Patents
A kind of electric tool series excited machine Download PDFInfo
- Publication number
- CN209659127U CN209659127U CN201920130442.6U CN201920130442U CN209659127U CN 209659127 U CN209659127 U CN 209659127U CN 201920130442 U CN201920130442 U CN 201920130442U CN 209659127 U CN209659127 U CN 209659127U
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- line end
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- switch
- enameled wire
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Abstract
The utility model discloses a kind of electric tool series excited machine, including stator, armature, commutators, first carbon brush brush holder, the second carbon brush brush holder, switch, cable and inner lead, interior stator includes enameled wire and b coil inside enameled wire on the inside of a coil, and enameled wire is formed with line end a on the inside of a coil1With line end a2, enameled wire is formed with line end b on the inside of b coil1With line end b2, line end a1With line end b1It is wound stator lead A, line end a2With line end b2It is wound stator lead B, two leads of cable are connect with the inlet side positive and negative anodes of switch respectively, proper (negative) pole that goes out of switch is connect by inner lead with the first carbon brush brush holder, the outlet of switch is born (just) pole and is connect with stator lead A, stator lead B is connect with the second carbon brush brush holder, is connected in parallel on enameled wire and b coil inside enameled wire on the inside of a coil in stator in entire electric motor loop.The series excited machine of the utility model, reduces motor temperature rise, extends the service life of motor.
Description
Technical field
The utility model relates to field of power tools, in particular to a kind of electric tool series excited machine.
Background technique
Series excited machine is very widely used in Power Tools Industries, and since motor self structure limits, internal threads are empty
Between it is limited, high-power, large torque tool copper factor is bigger than normal, and temperature rise is higher, causes the power of motor relatively low, seriously affects motor
Performance, to influence product service life.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of electric tool series excited machines, solve in the prior art
Copper factor is big, temperature rise is higher, power of motor is relatively low existing for existing high-power, large torque product motor, influences motor uses
The problem of validity.
In order to solve the above-mentioned technical problem, the utility model is achieved through the following technical solutions:
A kind of electric tool series excited machine, including stator, armature, commutator, the first carbon brush brush holder, the second carbon brush brush
Frame, switch, cable and inner lead, the interior stator includes enameled wire and b coil inside enameled wire, a on the inside of a coil
Enameled wire is formed with line end a on the inside of coil1With line end a2, enameled wire is formed with line end b on the inside of the b coil1With line end b2, institute
State line end a1With the line end b1It is wound stator lead A, the line end a2With the line end b2It is wound stator lead B,
Two leads of the cable are connect with the inlet side positive and negative anodes of the switch respectively, and proper (negative) pole that goes out of the switch passes through
The inner lead is connect with the first carbon brush brush holder, and the outlet of the switch is born (just) pole and connect with the stator lead A,
The stator lead B is connect with the second carbon brush brush holder, makes enameled wire and b coil inside on the inside of a coil in the stator
Enameled wire is connected in parallel in entire electric motor loop.
The beneficial effects of the utility model are: the series excited machine of the utility model, structure is simple, by changing stator wiring
Mode reduces motor temperature rise, increases torque, solves because copper factor is excessively high, causes same volume rotor high power difficult
The problem of, so that the motor of unit volume be enable to play maximum power, extend the service life of motor, guarantee electric tool has
Effect operation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of stator in the utility model.
In figure: 1- stator；2- armature；3- commutator；4- the first carbon brush brush holder；5- the second carbon brush brush holder；6- switch；7- electricity
Cable；8- inner lead；Enameled wire on the inside of 9-a coil；Enameled wire on the inside of 10-b coil；11- stator lead A；12- stator lead
B；101- line end b1；102- line end b2；901- line end a1；902- line end a2。
Specific embodiment
Specific embodiment of the present utility model is described further with reference to the accompanying drawing.It should be noted that
The explanation of these embodiments is used to help to understand the utility model, but does not constitute the restriction to the utility model.This
Outside, technical characteristic involved in the various embodiments of the present invention described below is as long as they do not conflict with each other
It can be combined with each other.
As shown in Figs. 1-2, a kind of electric tool series excited machine, including stator 1, armature 2, commutator 3, the first carbon brush brush
Frame 4, the second carbon brush brush holder 5, switch 6, cable 7 and inner lead 8, interior stator 1 includes enameled wire 9 and b coil on the inside of a coil
Inside enameled wire 10, a coil inside enameled wire 9 are formed with line end a1901 and line end a2Enameled wire is formed on the inside of 902, b coils
Line end b1101 and line end b2102, line end a1901 and line end b1101 are wound stator lead A11, line end a2902 and line end
b2102 are wound stator lead B12, and two leads of cable 7 are connect with the inlet side positive and negative anodes of switch 6 respectively, switch 6
Rectify (negative) pole out to connect by inner lead 8 with the first carbon brush brush holder 4, the outlet of switch 6 bears (just) pole and stator lead A11
Connection, stator lead B12 are connect with the second carbon brush brush holder 5, make to paint on the inside of enameled wire 9 and b coil on the inside of a coil in stator 1
Envelope curve 10 is connected in parallel in entire electric motor loop.
When installation, first by the line end a on enameled wire 9 on the inside of a coil1Line end on the inside of 901 and b coil on enameled wire 10
b1101 are wound stator lead A11, line end a2902 and line end b2102 are wound stator lead B12, then by stator 1,
Switch 6, the first carbon brush brush holder 4 and the second carbon brush brush holder 5 are attached.In use, when 7 power-on switch 6 of cable is opened
When, electric current passes through positive (negative) the 8-the first carbon brush of pole-inner lead 4-commutator of brush holder the 2-the second carbon brush of 3-armature of switch 6
Enameled wire 9 and b coil inside 10-stator lead of enameled wire on the inside of a coil in 5-stator lead of brush holder B12-stator
The operating of electric tool is realized so as to form a circuit in negative (just) pole of A11-switch 6, makes enameled wire 9 and b line on the inside of a coil
Circle inside enameled wire 10 is connected in parallel in entire current loop.
The series excited machine of the utility model, structure is simple, by changing the stator mode of connection, reduces motor temperature rise, increases
Large torque solves the problem for leading to same volume rotor high power difficulty because copper factor is excessively high, to make unit volume
Motor can play maximum power, extend the service life of motor, guarantee effective operation of electric tool.
The embodiments of the present invention is explained in detail in conjunction with attached drawing above, but the utility model is not limited to be retouched
The embodiment stated.For a person skilled in the art, right in the case where not departing from the utility model principle and spirit
These embodiments carry out a variety of change, modification, replacement and modification, still fall in the protection scope of the utility model.
Claims (1)
1. a kind of electric tool series excited machine, including stator, armature, commutator, the first carbon brush brush holder, the second carbon brush brush holder,
Switch, cable and inner lead, it is characterised in that: include enameled wire and b coil inside enamel-cover on the inside of a coil in the stator
Line, a coil inside enameled wire are formed with line end a1With line end a2, enameled wire is formed with line end b on the inside of the b coil1And line
Hold b2, the line end a1With the line end b1It is wound stator lead A, the line end a2With the line end b2It is wound stator
Lead B, the cable include two leads, and the switch includes inlet side and outlet, and the inlet side and the outlet include
Positive terminal at positive terminal port and negative terminal port, a lead of the cable and the inlet side of the switch
Mouth connection, another lead are connect with the negative terminal port at the inlet side of the switch, the anode at the outlet of the switch
Wiring port is connect by the inner lead with the first carbon brush brush holder, the negative terminal port at the outlet of the switch
Connect with the stator lead A or the outlet of the switch at negative terminal port pass through the inner lead and described the
One carbon brush brush holder connects, and the positive terminal port at the outlet of the switch is connect with the stator lead A, the stator lead
B is connect with the second carbon brush brush holder, is connected in parallel on enameled wire and b coil inside enameled wire on the inside of a coil in the stator
In entire electric motor loop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920130442.6U CN209659127U (en) | 2019-01-25 | 2019-01-25 | A kind of electric tool series excited machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920130442.6U CN209659127U (en) | 2019-01-25 | 2019-01-25 | A kind of electric tool series excited machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209659127U true CN209659127U (en) | 2019-11-19 |
Family
ID=68522648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920130442.6U Active CN209659127U (en) | 2019-01-25 | 2019-01-25 | A kind of electric tool series excited machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209659127U (en) |
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2019
- 2019-01-25 CN CN201920130442.6U patent/CN209659127U/en active Active
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