CN209699300U - A kind of chain saw comprising switched reluctance machines - Google Patents
A kind of chain saw comprising switched reluctance machines Download PDFInfo
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- CN209699300U CN209699300U CN201821755582.4U CN201821755582U CN209699300U CN 209699300 U CN209699300 U CN 209699300U CN 201821755582 U CN201821755582 U CN 201821755582U CN 209699300 U CN209699300 U CN 209699300U
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- switched reluctance
- reluctance machines
- chain saw
- heat dissipation
- chain
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Abstract
The utility model discloses a kind of chain saws comprising switched reluctance machines, including Handleset, by the nose assembly that Handleset is controlled and is connected with Handleset and the carrier bar and saw chain that are connected to nose assembly side, nose assembly includes the switched reluctance machines of casing and driving saw chain, switched reluctance machines are connected with casing, driving device of the utility model by using switched reluctance machines as chain saw, switched reluctance machines have the characteristics that resistant to high temperature, so that chain saw can adapt to the adverse circumstances of high temperature, Simultaneous Switching reluctance motor can adapt to chain saw generated huge dust at work, substantially prolong the service life of chain saw, so that the working performance of chain saw is more stable.
Description
Technical field
The utility model belongs to chain saw field, and in particular to a kind of chain saw comprising switched reluctance machines.
Background technique
With the development of electric tool and universal, electric tool has been widely used in the fields such as family, gardens, electric chain saw
It is then a kind of common electric tool, electric chain saw is generally worked using electricity as power source drive motor, and motor, which drives, has cutting
The saw chain circulation high-speed motion of sword cuts timber or branch.
Electric chain saw can be usually carried out in worst hot case using while electric chain saw can generate greatly during cutting timber
The sawdust and dust of amount lead to the damage of chain saw and can not work normally, reduce the service life of chain saw.
Utility model content
Technical problem to be solved in the utility model is just to provide a kind of chain comprising switched reluctance machines of resistance to dust
Saw.
In order to solve the above technical problems, the utility model adopts the following technical solution: a kind of comprising switched reluctance machines
Chain saw including Handleset, the nose assembly for being controlled by Handleset and being connected with Handleset and is connected to nose assembly
The carrier bar and saw chain of side, nose assembly include the switched reluctance machines of casing and driving saw chain, switched reluctance machines and casing
It is connected.
Further, heat dissipation box is provided with outside the air outlet of switched reluctance machines, be provided on heat dissipation box and switching magnetic-resistance
The heat dissipation channel that the air outlet of motor is connected is provided with power-supply controller of electric and electric machine controller in heat dissipation channel.
Further, power-supply controller of electric is arranged close to the air intake vent of heat dissipation channel, and electric machine controller is close to heat dissipation channel
Exhaust outlet setting.
Further, heat dissipation box is arranged on the side wall and bottom wall of electric machine controller in exhaust outlet.
Further, be provided in heat dissipation box fixed power source controller the first locating slot and fixed electric machine controller the
Two locating slots.
Further, the side of heat dissipation box is provided with the balance weight for keeping chain saw to place balance.
Further, electric machine controller includes the detection module of the output shaft revolving speed of detection switch reluctance motor, control mould
The power conversion modules of block and change cutting current, control module are connected with detection module and power conversion modules respectively.
Further, retarder is connected between switched reluctance machines and saw chain.
Further, retarder includes the output gear engaged with the motor gear of switched reluctance machines, is connected with saw chain
Driving wheel and connect the drive shaft of output gear and driving wheel, output gear and driving wheel are interlocked by drive shaft, are exported
The diameter of gear is greater than the diameter of driving wheel.
Further, bracket is provided in casing, the both ends of drive shaft are connected separately with bearing, and bearing is fixed by the bracket
In casing.
Compared with prior art, the utility model has the beneficial effects that
1, the driving device by using switched reluctance machines as chain saw, switched reluctance machines have spy resistant to high temperature
Point, so that chain saw can adapt to the adverse circumstances of high temperature, produced by Simultaneous Switching reluctance motor can adapt to chain saw at work
Huge dust, the service life of chain saw is substantially prolonged, so that the working performance of chain saw is more stable.
2, the heat dissipation channel by power-supply controller of electric and electric machine controller being arranged in outside the air outlet of switched reluctance machines
It is interior so that the air inlet of switched reluctance machines do not have it is any block, to there is enough air intake spaces, a large amount of cold wind is logical
The air inlet for crossing switched reluctance machines enters, and then carries out by the inside of switched reluctance machines to the inner components of motor scattered
Heat finally enters heat dissipation channel by the air outlet of switched reluctance machines again, to the power-supply controller of electric and motor in heat dissipation channel
Controller radiates, and the control panel metal-oxide-semiconductor that switched reluctance machines air inlet is placed obtains good cooling work
With, while motor enamel-covered wire has enough intakes to provide heat dissipation；First radiate to the components inside switched reluctance machines,
It radiates again to the power-supply controller of electric and electric machine controller in the outside that switched reluctance machines are arranged in, ensure that switching magnetic-resistance electricity
Heat dissipation effect inside machine extends the service life of motor so that chain saw can adapt to worst hot case.
3, power-supply controller of electric and electric machine controller are successively configured in heat dissipation channel, and cold wind can successively pass through motor
Controller and power-supply controller of electric improve the heat dissipation effect of electric machine controller and power-supply controller of electric.
4, when the cold wind in heat dissipation wind channel reaches the position of electric machine controller, because on the side wall and bottom wall of heat dissipation box
It is provided with exhaust outlet, so that the cold wind in heat dissipation channel disperses, part cold wind passes through the air draft on the side wall of heat dissipation box
Mouth discharge, the exhaust outlet on bottom wall that part cold wind passes through heat dissipation box are discharged, i.e. up and down position of the cold wind for electric machine controller
It can radiate, good heat dissipation effect.
5, the first locating slot and the second locating slot occur that power-supply controller of electric and electric machine controller will not in heat dissipation box
It shakes, even if the rotation in all directions, power-supply controller of electric and electric machine controller occur for heat dissipation box in the use process of chain saw
It will not be damaged because of shaking.
6, when chain saw be placed into heat dissipation box and plane contact in plane chain saw is formed support when, balance weight can guarantee to dissipate
Head two sides above hot box keep balance, so that the placement of chain saw is more stable.
7, power conversion modules include that different cutting current gears has respectively corresponded twig, conventional wood and the street great Zhi
The cutting of timber.When opening chain saw, output electric current is defaulted as deep low gear, is cut using chain saw to timber, is detected at this time
Module detects the revolving speed of the output shaft of switched reluctance machines, and collected data are transferred to control module, control mould
Block compares the egulation rotating speed of collected rotary speed information and setting, cuts if this grade of electric current is fit into timber
It cuts, then the revolving speed of switched reluctance machines is not less than the egulation rotating speed of setting, and chain saw can directly cut timber at this time；If
Electric current is smaller due to timber is larger when being difficult to cut, and the revolving speed of switched reluctance machines can be lower than the egulation rotating speed of setting, this time control
Device processed can control the switching that power conversion modules carry out cutting current, improve the gear of cutting current, if switched reluctance machines
Revolving speed is still below the egulation rotating speed of setting, at this time controller will continue to control power conversion modules continue cutting for cutting current
It changes, improves the gear of cutting current, by electric machine controller automatic data collection, make the operation of switching cutting current, so that
While chain saw adapts to the cutting of various sizes timber, electric power energy is saved.
Compared with prior art, driving device of the utility model by using switched reluctance machines as chain saw, switch
Reluctance motor has the characteristics that resistant to high temperature, so that chain saw can adapt to the adverse circumstances of high temperature, Simultaneous Switching reluctance motor can
Chain saw generated huge dust at work is adapted to, the service life of chain saw is substantially prolonged, so that the working performance of chain saw
It is more stable.
Detailed description of the invention
The utility model is further described with reference to the accompanying drawings and detailed description:
Fig. 1 is a kind of perspective view of the chain saw comprising switched reluctance machines of the utility model；
Fig. 2 is a kind of diagrammatic cross-section of the chain saw comprising switched reluctance machines of the utility model；
Fig. 3 is a kind of partial sectional view of the chain saw comprising switched reluctance machines of the utility model.
Wherein: 1, Handleset；2, nose assembly；21, casing；22, switched reluctance machines；221, air inlet；222, go out
Air port；223, armature spindle；224, motor gear；225, output gear；226, driving wheel；227, drive shaft；228, bracket；229,
Bearing；3, carrier bar；4, saw chain；5, heat dissipation box；51, air intake vent；52, exhaust outlet；6, heat dissipation channel；7, power-supply controller of electric；8, electric
Machine controller；9, balance weight.
Specific embodiment
It is done furtherly referring to figs. 1 to the embodiment of Fig. 3 chain saw comprising switched reluctance machines a kind of to the utility model
It is bright.
A kind of chain saw comprising switched reluctance machines, including for gripping Handleset 1, by Handleset 1 control simultaneously
The nose assembly 2 that is connected with Handleset 1 and the carrier bar 3 and saw chain 4 for being connected to 2 side of nose assembly, saw chain 4 is around carrier bar
3 settings, nose assembly 2 include the switched reluctance machines 22 of casing 21 and driving saw chain 4, switched reluctance machines 22 and 21 phase of casing
Connect and is fixed on 21 side of casing.Driving device by using switched reluctance machines 22 as chain saw, switched reluctance machines 22
Have the characteristics that resistant to high temperature, so that chain saw can adapt to the adverse circumstances of high temperature, Simultaneous Switching reluctance motor 22 can adapt to chain
Generated huge dust at work is sawed, the service life of chain saw is substantially prolonged, so that the working performance of chain saw is more steady
It is fixed.
In the present embodiment, be provided with heat dissipation box 5 outside the air outlets 222 of switched reluctance machines 22, be provided on heat dissipation box 5 with
The heat dissipation channel 6 that the air outlet 222 of switched reluctance machines 22 is connected is provided with power-supply controller of electric 7 and motor in heat dissipation channel 6
Controller 8 passes through heat dissipation power-supply controller of electric 7 and electric machine controller 8 being arranged in outside the air outlet 222 of switched reluctance machines 22
In channel 6 so that do not have at the air inlet 221 of switched reluctance machines 22 it is any block, to have enough air intake spaces, greatly
The cold wind of amount is entered by the air inlet 221 of switched reluctance machines 22, then by the inside of switched reluctance machines 22 to motor
Inner components radiate, heat dissipation channel 6 is finally entered by the air outlets 222 of switched reluctance machines 22 again, to heat dissipation
Power-supply controller of electric 7 and electric machine controller 8 in channel 6 radiate, so that placed at 22 air inlet 221 of switched reluctance machines
Control panel metal-oxide-semiconductor can obtain good cooling effect, while motor enamel-covered wire has enough intakes to provide heat dissipation；It is first split
It closes the components inside reluctance motor 22 to radiate, then to the power-supply controller of electric 7 in the outside that switched reluctance machines 22 are arranged in
It radiates with electric machine controller 8, ensure that the heat dissipation effect inside switched reluctance machines 22, so that chain saw can adapt to high temperature
Operating condition extends the service life of motor.
The present embodiment is arranged by the air intake vent 51 by power-supply controller of electric 7 close to heat dissipation channel 6, and electric machine controller 8 is close
The exhaust outlet 52 of heat dissipation channel 6 is arranged, so that power-supply controller of electric 7 and electric machine controller 8 are successively set in heat dissipation channel 6
It sets, cold wind can successively pass through electric machine controller 8 and power-supply controller of electric 7, improve dissipating for electric machine controller 8 and power-supply controller of electric 7
Thermal effect.
In the present embodiment, heat dissipation box 5 is arranged on the side wall and bottom wall of electric machine controller 8 in exhaust outlet 52, works as heat dissipation
When cold wind in air duct reaches the position of electric machine controller 8, because being provided with exhaust outlet on the side wall and bottom wall of heat dissipation box 5
52, so that the cold wind in heat dissipation channel 6 disperses, the exhaust outlet 52 on side wall that part cold wind passes through heat dissipation box 5 is discharged, portion
The exhaust outlet 52 on bottom wall that point cold wind passes through heat dissipation box 5 is discharged, i.e., cold wind can be with for the position up and down of electric machine controller 8
It radiates, good heat dissipation effect.
The present embodiment in heat dissipation box 5 by being arranged the first locating slot of fixed power source controller 7 and fixing motor control
Second locating slot of device 8, so that power-supply controller of electric 7 and electric machine controller 8 will not shake in heat dissipation box 5, even if in chain
In the use process of saw, the rotation in all directions occurs for heat dissipation box 5, and power-supply controller of electric 7 and electric machine controller 8 will not be because shaking
It moves and is damaged.
In the present embodiment, the side of heat dissipation box 5 is provided with the balance weight 9 for keeping chain saw to place balance, when chain saw is placed into
When heat dissipation box 5 and plane contact form support to chain saw in plane, balance weight 9 can guarantee the head two sides of 5 top of heat dissipation box
Balance is kept, so that the placement of chain saw is more stable.
In the present embodiment, electric machine controller 8 includes the detection module of the output shaft revolving speed of detection switch reluctance motor 22, control
The power conversion modules of molding block and change cutting current, control module are connected with detection module and power conversion modules respectively,
It include that third gear cutting current is illustrated with power conversion modules, respectively one grade: 310V*5A=1550W, two grades: 310V*8A
=2480W, third gear: 310V*10A=3100W, third gear have respectively corresponded the cutting of twig, conventional wood and the street great Zhi timber.
When opening chain saw, output electric current is defaulted as one grade, is cut using chain saw to timber, at this time detection module pair
The revolving speed of the output shaft of switched reluctance machines 22 is detected, and collected data is transferred to control module, control module will
Collected rotary speed information and the egulation rotating speed of setting compare, and cut if one grade of electric current is fit into timber,
The revolving speed of switched reluctance machines 22 is not less than the egulation rotating speed of setting, and chain saw can directly cut timber at this time；If because
Timber is larger and electric current is smaller when being difficult to cut, and the revolving speed of switched reluctance machines 22 can be lower than the egulation rotating speed of setting, this time control
Device processed can control the switching that power conversion modules carry out cutting current, be switched to two grades from one grade, if switched reluctance machines 22
Revolving speed is lower than the egulation rotating speed of setting, and controller will continue to the switching that control power conversion modules carry out cutting current at this time, from
Two grades are switched to third gear, by 8 automatic data collection of electric machine controller, make the operation of switching cutting current, so that chain saw is suitable
While answering various sizes timber to cut, electric power energy is saved.
In the present embodiment, it is connected with retarder between switched reluctance machines 22 and saw chain 4, retarder includes and switching magnetic-resistance
Output gear 225 that the motor gear 224 of motor engages, the driving wheel 226 connected with saw chain 4 and it connect output gear 225
With the drive shaft 227 of driving wheel 226, output gear 225 and driving wheel 226 are interlocked by drive shaft 227, output gear 225
Diameter is greater than the diameter of driving wheel 226.When work, the armature spindle 223 of switched reluctance machines 22 is rotated, and drive is connected to armature spindle
Motor gear 224 on 223 rotates, and motor gear drives the output gear 225 engaged to rotate, and output gear passes through driving
Axis 227 drives driving wheel 226 to rotate, and drive wheel saw chain works, by the way that the diameter of output gear to be set greater than
The diameter of driving wheel is played to the effect slowed down between switched reluctance machines and saw chain, and retarder occupies little space simultaneously
It is stable, guarantee that saw chain can be extended the service life of chain saw, branch is provided in casing 21 with lower-speed state long-play
Frame 228, the both ends of drive shaft 227 are connected separately with bearing 229, and bearing is fixed by the bracket in casing, passes through bracket and axis
It honours and is positioned in retarder, positioned by simple structure, prevent from shaking, it is more stable.
The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to
Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (10)
1. a kind of chain saw comprising switched reluctance machines, including Handleset, is controlled by Handleset and be connected with Handleset
Nose assembly and be connected to the carrier bar and saw chain of nose assembly side, it is characterised in that: the nose assembly includes casing
With the switched reluctance machines of driving saw chain, the switched reluctance machines are connected with casing.
2. a kind of chain saw comprising switched reluctance machines according to claim 1, it is characterised in that: the switching magnetic-resistance electricity
It is provided with heat dissipation box outside the air outlet of machine, the heat dissipation being connected with the air outlet of switched reluctance machines is provided on the heat dissipation box
Channel is provided with power-supply controller of electric and electric machine controller in the heat dissipation channel.
3. a kind of chain saw comprising switched reluctance machines according to claim 2, it is characterised in that: the power-supply controller of electric
Air intake vent close to heat dissipation channel is arranged, and the electric machine controller is arranged close to the exhaust outlet of heat dissipation channel.
4. a kind of chain saw comprising switched reluctance machines according to claim 3, it is characterised in that: the exhaust outlet setting
On side wall and bottom wall of the heat dissipation box close to electric machine controller.
5. a kind of chain saw comprising switched reluctance machines according to Claims 2 or 3 or 4, it is characterised in that: the heat dissipation
The first locating slot of fixed power source controller and the second locating slot of fixed electric machine controller are provided in box.
6. a kind of chain saw comprising switched reluctance machines according to claim 2, it is characterised in that: the one of the heat dissipation box
Side is provided with the balance weight for keeping chain saw to place balance.
7. a kind of chain saw comprising switched reluctance machines according to claim 2, it is characterised in that: the electric machine controller
Detection module, control module and the power conversion mould for changing cutting current of output shaft revolving speed including detection switch reluctance motor
Block, the control module are connected with detection module and power conversion modules respectively.
8. a kind of chain saw comprising switched reluctance machines according to claim 1, it is characterised in that: the switching magnetic-resistance electricity
Retarder is connected between machine and saw chain.
9. a kind of chain saw comprising switched reluctance machines according to claim 8, it is characterised in that: the retarder includes
The output gear that engages with the motor gears of switched reluctance machines, the driving wheel connected with saw chain and it connect output gear and drive
The drive shaft of driving wheel, the output gear and driving wheel are interlocked by drive shaft, and the diameter of output gear is greater than the straight of driving wheel
Diameter.
10. a kind of chain saw comprising switched reluctance machines according to claim 9, it is characterised in that: set in the casing
It is equipped with bracket, the both ends of the drive shaft are connected separately with bearing, and the bearing is fixed by the bracket in casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821755582.4U CN209699300U (en) | 2018-10-27 | 2018-10-27 | A kind of chain saw comprising switched reluctance machines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821755582.4U CN209699300U (en) | 2018-10-27 | 2018-10-27 | A kind of chain saw comprising switched reluctance machines |
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| Publication Number | Publication Date |
|---|---|
| CN209699300U true CN209699300U (en) | 2019-11-29 |
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ID=68634824
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821755582.4U Active CN209699300U (en) | 2018-10-27 | 2018-10-27 | A kind of chain saw comprising switched reluctance machines |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109352738A (en) * | 2018-10-27 | 2019-02-19 | 浙江亚特电器有限公司 | A kind of chain saw comprising switched reluctance machines |
-
2018
- 2018-10-27 CN CN201821755582.4U patent/CN209699300U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109352738A (en) * | 2018-10-27 | 2019-02-19 | 浙江亚特电器有限公司 | A kind of chain saw comprising switched reluctance machines |
| CN109352738B (en) * | 2018-10-27 | 2024-04-02 | 浙江亚特电器股份有限公司 | Chain saw containing switch reluctance motor |
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Address after: No. 150 Wenlong Road, Yuxin Town, Nanhu District, Jiaxing City, Zhejiang Province Patentee after: Zhejiang Yate Electric Appliance Co.,Ltd. Address before: 314100 No. 150 Wenlong Road, Yuxin Town, Nanhu District, Jiaxing City, Zhejiang Province Patentee before: ZHEJIANG YAT ELECTRICAL APPLIANCE Co.,Ltd. |