CN2682793Y - Electric mower - Google Patents
Electric mower Download PDFInfo
- Publication number
- CN2682793Y CN2682793Y CN 200320107964 CN200320107964U CN2682793Y CN 2682793 Y CN2682793 Y CN 2682793Y CN 200320107964 CN200320107964 CN 200320107964 CN 200320107964 U CN200320107964 U CN 200320107964U CN 2682793 Y CN2682793 Y CN 2682793Y
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- Prior art keywords
- motor
- power
- mower
- electric motor
- electric
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- Expired - Lifetime
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Abstract
The utility model provides an electric mower. A roller is arranged on the lower part of the machine body; a hand-push rod is arranged on the rear portion of the machine body; a rotary cutting knife is arranged at the bottom of the machine body; an electrical motor is arranged in the machine body; an electric motor output shaft is connected with the rotary cutting knife, and the electric mower is provided with a control mechanism. The control mechanism is provided with a switch circuit which can make the electric motor have the short circuit when the power source is cut off; since the electric motor has the short circuit when the power source is cut off, the current generated by the inertia of the electric motor can generate a rotary magnetic field which is in the opposite rotary direction with the inertia in the electric motor; the inner part of the electric motor can generate stronger magnetic damping; accordingly, the electric motor can be rapidly braked. The electric mower which has simple structure can considerably improve the safety performance of the electric mower; since the electric mower has no abrasion in the braking process, the service life of the electric mower can be prolonged.
Description
Technical field:
The utility model relates to the mower technical field, particularly a kind of power-operated mower.
Background technology:
Existing power-operated mower general configuration is: underbelly is equipped with roller, fuselage afterbody is equipped with handspike, and fuselage bottom is equipped with rotary cutting knife, and motor and accumulator are installed in the fuselage, motor output shaft is connected with cutter, and power-operated mower is provided with gauge tap and arrestment mechanism.Mower braking generally realizes by the mechanical braking parts, adopts the mechanical braking mode to make the mower complex structure, and fragile brake component, thereby influences the service life of mower.Another major defect is to adopt the mower of mechanical braking mode to be difficult to reach trip switch after three seconds, the safety requirements that rotary cutting knife must stop operating.
Summary of the invention:
At above deficiency, the inventor has proposed a kind of power-operated mower rapid, simple in structure, long service life of braking.
The utility model is achieved through the following technical solutions: a kind of power-operated mower, underbelly is equipped with roller, fuselage afterbody is equipped with handspike, fuselage bottom is equipped with rotary cutting knife, motor is installed in the fuselage, motor output shaft is connected with rotary cutting knife, and power-operated mower is provided with controlling organization.Be provided with the on-off circuit that can make the motor short circuit when cutting off the electricity supply in the described controlling organization.Because short circuit motor when cutting off the electricity supply, the electric current that motor inertia is produced can produce a rotating excitation field opposite with the inertia direction of rotation in motor, makes motor internal produce very strong magnetic damping, thereby makes the motor fast braking.It is simple in structure, can improve the security performance of power-operated mower greatly.Owing to there are not wearing and tearing in the braking procedure, can prolong power-operated mower service life.
In the utility model, be provided with relay in the described on-off circuit, finish when cutting off the electricity supply the motor short circuit by relay.Certainly, on-off circuit also can be with the motor short circuit when realizing cutting off the electricity supply such as switching transistor circuits such as controllable silicon, FETs.
In the utility model, the normally-closed contact of described relay and motor parallel, the normally opened contact of relay is connected with motor.
In the utility model, described motor electricity is electrically connected with control panel and charging inlet.
In the utility model, described motor is permanent magnet dc motor or single-phase capacitance formula alternating current generator.
In the utility model, described controlling organization is provided with switch knob, and switch knob is located on the handspike.Its convenient power-operated mower of handling.
Description of drawings:
Fig. 1 is the utility model structural representation.
Fig. 2 is the utility model braking procedure circuit diagram.
Embodiment:
In conjunction with Fig. 1, shown in Figure 2: fuselage 1 bottom of the power-operated mower of present embodiment is equipped with roller 2, fuselage afterbody is equipped with handspike 3, fuselage bottom is equipped with rotary cutting knife 4, permanent magnet dc motor 5 and accumulator 6 are installed in the fuselage, motor output shaft is connected with rotary cutting knife 4, and power-operated mower is provided with controlling organization.Be provided with the on-off circuit that can make the motor short circuit when cutting off the electricity supply in the controlling organization.Controlling organization is provided with switch knob 7, and switch knob 7 is located on the handspike 3.Be provided with relay J in the on-off circuit, finish when cutting off the electricity supply the motor short circuit by relay.The normally-closed contact K1 and the motor parallel of relay, the normally opened contact K2 of relay connects with motor.Motor is electrically connected with control panel 8 and charging inlet 9.Adopt said structure, about one second, rotary cutting knife just stops operating power-operated mower at the trip switch handle, thereby makes the electric grass-cutting machine operation safer.
Claims (7)
1, a kind of power-operated mower, underbelly is equipped with roller, and fuselage afterbody is equipped with handspike, and fuselage bottom is equipped with rotary cutting knife, and motor is installed in the fuselage, and motor output shaft is connected with rotary cutting knife, and power-operated mower is provided with controlling organization; It is characterized in that: be provided with the on-off circuit that can make the motor short circuit when cutting off the electricity supply in the described controlling organization.
2, power-operated mower according to claim 1; It is characterized in that: be provided with relay in the described on-off circuit.
3, power-operated mower according to claim 2; It is characterized in that: the normally-closed contact of described relay and motor parallel, the normally opened contact of relay is connected with motor.
4, power-operated mower according to claim 2; It is characterized in that: described motor electricity is electrically connected with control panel and charging inlet.
5, according to claim 1,2,3, one of 4 described power-operated mowers; It is characterized in that: described motor is permanent magnet dc motor or single-phase capacitance formula alternating current generator.
6, power-operated mower according to claim 1; It is characterized in that: be provided with switching transistor in the described on-off circuit.
7, power-operated mower according to claim 1; It is characterized in that: described controlling organization is provided with switch knob, and switch knob is located on the handspike.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320107964 CN2682793Y (en) | 2003-11-13 | 2003-11-13 | Electric mower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320107964 CN2682793Y (en) | 2003-11-13 | 2003-11-13 | Electric mower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2682793Y true CN2682793Y (en) | 2005-03-09 |
Family
ID=34599289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200320107964 Expired - Lifetime CN2682793Y (en) | 2003-11-13 | 2003-11-13 | Electric mower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2682793Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1330232C (en) * | 2005-05-17 | 2007-08-08 | 张俊岭 | Multifunctional miniature household mower |
| CN101904245A (en) * | 2009-06-03 | 2010-12-08 | 本田技研工业株式会社 | Lawnmower |
| CN102487656A (en) * | 2011-12-20 | 2012-06-13 | 苏州金威特工具有限公司 | Grass cutting machine |
| CN104041237A (en) * | 2014-07-10 | 2014-09-17 | 张晨岳 | Lawn trimmer |
| CN104996091A (en) * | 2015-08-18 | 2015-10-28 | 包头市北工机械有限公司 | People-assisted electric mower capable of feeding back electric power |
| WO2016169381A1 (en) * | 2015-04-23 | 2016-10-27 | 常州格力博有限公司 | Control board monitoring system for grass cutter, and monitoring method for control board monitoring system |
| CN107468439A (en) * | 2017-09-05 | 2017-12-15 | 天津市斗星机械设备有限公司 | A kind of electric wheelchair of circuit braking |
| CN110946000A (en) * | 2018-09-27 | 2020-04-03 | 南京德朔实业有限公司 | Grass cutter |
-
2003
- 2003-11-13 CN CN 200320107964 patent/CN2682793Y/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1330232C (en) * | 2005-05-17 | 2007-08-08 | 张俊岭 | Multifunctional miniature household mower |
| CN101904245A (en) * | 2009-06-03 | 2010-12-08 | 本田技研工业株式会社 | Lawnmower |
| CN101904245B (en) * | 2009-06-03 | 2015-10-14 | 本田技研工业株式会社 | mower |
| CN102487656A (en) * | 2011-12-20 | 2012-06-13 | 苏州金威特工具有限公司 | Grass cutting machine |
| CN104041237A (en) * | 2014-07-10 | 2014-09-17 | 张晨岳 | Lawn trimmer |
| WO2016169381A1 (en) * | 2015-04-23 | 2016-10-27 | 常州格力博有限公司 | Control board monitoring system for grass cutter, and monitoring method for control board monitoring system |
| CN104996091A (en) * | 2015-08-18 | 2015-10-28 | 包头市北工机械有限公司 | People-assisted electric mower capable of feeding back electric power |
| CN107468439A (en) * | 2017-09-05 | 2017-12-15 | 天津市斗星机械设备有限公司 | A kind of electric wheelchair of circuit braking |
| CN110946000A (en) * | 2018-09-27 | 2020-04-03 | 南京德朔实业有限公司 | Grass cutter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20050309 Effective date of abandoning: 20120822 |
|
| C20 | Patent right or utility model deemed to be abandoned or is abandoned |