CN107397507A - Blower and its brake method - Google Patents

Blower and its brake method Download PDF

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Publication number
CN107397507A
CN107397507A CN201610340187.9A CN201610340187A CN107397507A CN 107397507 A CN107397507 A CN 107397507A CN 201610340187 A CN201610340187 A CN 201610340187A CN 107397507 A CN107397507 A CN 107397507A
Authority
CN
China
Prior art keywords
motor
brake
braking mechanism
blower
shell
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610340187.9A
Other languages
Chinese (zh)
Inventor
查霞红
赵凤丽
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Positec Power Tools Suzhou Co Ltd
Original Assignee
Positec Power Tools Suzhou Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Positec Power Tools Suzhou Co Ltd filed Critical Positec Power Tools Suzhou Co Ltd
Priority to CN201610340187.9A priority Critical patent/CN107397507A/en
Publication of CN107397507A publication Critical patent/CN107397507A/en
Pending legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/28Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
    • A47L9/2889Safety or protection devices or systems, e.g. for prevention of motor over-heating or for protection of the user
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K7/00Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H02K7/102Structural association with clutches, brakes, gears, pulleys or mechanical starters with friction brakes
    • H02K7/1021Magnetically influenced friction brakes
    • H02K7/1023Magnetically influenced friction brakes using electromagnets

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Abstract

The invention discloses a kind of blower, including shell and it is removably connected to the pressure-vaccum annex of the shell, the enclosure is provided with motor, the motor includes motor shaft, the blower also includes braking mechanism, the braking mechanism is located at the inside of the shell, and when the motor shuts down, the braking mechanism action makes the motor brake.Blower provided by the invention; including shell and it is removably connected to the pressure-vaccum annex of shell; enclosure is provided with motor; motor includes motor shaft; electric motor starting; drive motor axle rotates; so as to drive the part for being installed on motor shaft to rotate; due to being additionally provided with braking mechanism inside the housing, when motor shuts down, braking mechanism action makes motor brake; i.e. motor shaft stops operating and is installed on the part of motor shaft and also stops operating; avoid after motor shutdown, because situation of its moving component of inertia also in rotation occurs, protect the safety of user.Invention additionally discloses a kind of brake method of blower.

Description

Blower and its brake method
Technical field
The present invention relates to hand-hold power tool technical field, more particularly to a kind of blower and its brake side Method.
Background technology
Blower, generally pressure-vaccum annex and main body split are designed, pressure-vaccum annex generally includes blower with inhaling Airduct, when blower is needed as hair-dryer in use, then installing blower, when blower is needed as suction Blower can also be connected and be arranged in use, then install aspiration channel and dust leg by dirt machine together with aspiration channel For pressure-vaccum all-in-one.When blower is in off working state, pressure-vaccum annex is pulled down from main body and can individually deposited Put, reduce collection volume.
But blower is in the moment of shutdown, because its moving component of inertia is also in rotary state, its meeting Great potential safety hazard is caused to user.
The content of the invention
Based on this, it is necessary to for blower the moment of shutdown its moving component also in rotary state so as to The problem of causing great potential safety hazard to user provides a kind of blower and its brake method.
A kind of blower, including shell and the pressure-vaccum annex for being removably connected to the shell, in the shell Portion is provided with motor, and the motor includes motor shaft, and the blower also includes braking mechanism, the braking machine Structure is located at the inside of the shell, and when the motor shuts down, the braking mechanism action makes the motor stop Car.
Blower provided by the invention, including shell and the pressure-vaccum annex for being removably connected to shell, in shell Portion is provided with motor, and motor includes motor shaft, electric motor starting, and drive motor axle is rotated, is installed on so as to drive The part of motor shaft rotates, due to being additionally provided with braking mechanism inside the housing, when motor shuts down, and braking machine Structure action makes motor brake, i.e., motor shaft stops operating and is installed on the part of motor shaft and also stops operating, and keeps away Exempt from after motor shuts down, because situation of its moving component of inertia also in rotation occurs, protected user Safety.
In one of the embodiments, the blower also includes control device, when the motor shuts down, The control device controls the braking mechanism action to make the motor brake.
In one of the embodiments, when the pressure-vaccum annex is not attached to the shell, the control dress Putting the control braking mechanism action makes the motor brake.
In one of the embodiments, the blower also includes detection means, attached for detecting the pressure-vaccum Whether part is connected to the shell, and sends detection signal, when the detection means detects that the pressure-vaccum is attached When part is not with the cage connection, the control device receives the detection signal and controls the braking mechanism Action makes the motor brake.
In one of the embodiments, the braking mechanism is installed on one end of the motor shaft, when the brake When mechanism of car acts, the motor shaft of the motor is instantaneously braked.
In one of the embodiments, the braking mechanism includes first brake part and the second brake member, described First brake part is fixedly connected with the shell, and second brake member and the motor axis connection simultaneously can be with institutes Motor shaft synchronous axial system is stated, when the motor shuts down, the first brake part connects with second brake member Touch and compress so that the motor shaft to be braked.
In one of the embodiments, the braking mechanism also includes elastic component, and the first brake part is provided with First groove, the elastic component are placed in first groove, and the both ends of the elastic component are respectively with described One brake member and second brake member connection, when the motor shuts down, in the presence of the elastic component The first brake part is contacted with second brake member so that the motor shaft to be braked.
In one of the embodiments, the braking mechanism also includes magnet coil, and the first brake part is set There is the second groove, the magnet coil is placed in second groove, and when energized, the magnet coil can Electromagnetic field is produced to overcome the elastic force of the elastic component to make second brake member and the first brake part point From when the motor shuts down, the magnet coil dead electricity magnetic force disappears, and the elastic component resilience is so that described Second brake member is contacted with the first brake part so that the motor shaft to be braked.A kind of brake side of blower Method, including step:
Judge whether motor shuts down;
If so, braking mechanism is to the motor brake.
The brake method of blower provided by the invention, when judging motor shutdown, braking mechanism enters to motor The part that row brake, i.e. motor shaft stopped operating and were installed on motor shaft also stops operating, and avoids in motor After shutdown, because situation of its moving component of inertia also in rotation occurs, the safety of user is protected.
In one of the embodiments, it is described judge the step of whether motor shuts down after also include step:
Judge whether pressure-vaccum annex is connected to shell;
If so, braking mechanism is to the motor brake.
Brief description of the drawings
Fig. 1 is the structure chart of blower provided in an embodiment of the present invention;
Fig. 2 is the enlarged drawing at A in Fig. 1.
Embodiment
For the ease of understanding the present invention, the present invention is described more fully below with reference to relevant drawings. Presently preferred embodiments of the present invention is given in accompanying drawing.But the present invention can come in fact in many different forms It is existing, however it is not limited to embodiment described herein.On the contrary, the purpose for providing these embodiments is made to this The understanding of the disclosure of invention more thorough and comprehensive.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly another On individual element or there may also be element placed in the middle.When an element is considered as " connection " another yuan Part, it can be directly to another element or may be simultaneously present centering elements.It is used herein Term " vertical ", " horizontal ", "left", "right" and similar statement simply to illustrate that mesh 's.
Unless otherwise defined, technology of all of technologies and scientific terms used here by the article with belonging to the present invention The implication that the technical staff in field is generally understood that is identical.Art used in the description of the invention herein Language is intended merely to describe the purpose of specific embodiment, it is not intended that in the limitation present invention.It is used herein Term " and/or " include the arbitrary and all combinations of one or more related Listed Items.
Referring to Fig. 1, one embodiment of the invention provides a kind of blower, including shell 10 and is removably connected to The pressure-vaccum annex 20 of shell 10, the inside of shell 10 are provided with motor 30, and motor 30 includes motor shaft 32, blown Suction machine also includes braking mechanism 40, and braking mechanism 40 is located at the inside of shell 10, when motor 30 shuts down, The action of braking mechanism 40 makes motor 30 brake.
Blower provided by the invention, including shell 10 and the pressure-vaccum annex 20 for being removably connected to shell 10, The inside of shell 10 is provided with motor 30, and motor 30 includes motor shaft 32, and motor 30 starts, drive motor axle 32 rotate, so as to drive the part for being installed on motor shaft 32 to rotate, as the fan inside shell 10 turns Dynamic, due to being additionally provided with braking mechanism 40 inside shell 10, when motor 30 shuts down, braking mechanism 40 is dynamic Work makes motor 30 brake, i.e., motor shaft 32 stops operating and is installed on the part of motor shaft 32 and also stops operating, Avoid after the shutdown of motor 30, because situation of its moving component of inertia also in rotation occurs, protect The safety of user.
Further, blower also includes control device (not shown), when motor 30 shuts down, control dress Putting the control action of braking mechanism 40 makes motor 30 brake.
Further, when pressure-vaccum annex 20 is not attached to shell 10, control device control braking mechanism 40 is dynamic Work makes motor 30 brake.When pressure-vaccum annex 20 is not connected with shell 10, then now need pressure-vaccum annex 20 pack up storage or need to change other pressure-vaccum annexes 20, now motor 30 is braked, avoid to The injury at family.
In the present embodiment, blower also includes detection means (not shown), for detecting pressure-vaccum annex 20 Whether be connected to shell 10, and send detection signal, when detection means detect pressure-vaccum annex 20 not with shell During 10 connection, control device, which receives the detection signal control action of braking mechanism 40, makes motor 30 brake.
Referring to Fig. 1 and Fig. 2, in the present embodiment, braking mechanism 40 is installed on one end of motor shaft 32, when When braking mechanism 40 acts, the motor shaft 32 of motor 30 is instantaneously braked.Specifically, braking mechanism 40 The afterbody of the motor shaft 32 of motor 30 is installed on, motor 30 acts in the moment of shutdown, braking mechanism 40 Motor 30 is braked, even if the motor shaft 32 of motor 30 stops operating, avoid motor 30 in shutdown, Its moving component occurs also in rotary state so as to hurt the situation of user.
Further, referring to Fig. 2, in the present embodiment, braking mechanism 40 includes first brake part 42 and second Brake member 44, first brake part 42 are fixedly connected with shell 10, and the second brake member 44 connects with motor shaft 32 Connect and can be with the synchronous axial system of motor shaft 32, when motor 30 shuts down, the brake member of first brake part 42 and second 44 contact and compress so that motor shaft 32 to be braked.
Further, referring to Fig. 2, in the present embodiment, above-mentioned braking mechanism 40 also includes elastic component 46, the One brake member 42 is provided with the first groove 422, and above-mentioned elastic component 46 is placed in first groove 422, and elasticity The both ends of part 46 are connected with the brake member 44 of first brake part 42 and second respectively, when motor 30 shuts down, First brake part 42 is contacted with the second brake member 44 so that motor shaft 32 to be braked in the presence of elastic component 46. Specifically, above-mentioned elastic component 46 is preferably spring.
Specifically, referring to Fig. 2, in the present embodiment, above-mentioned braking mechanism 40 also includes magnet coil 48, First brake part 42 is provided with the second groove 424, and magnet coil 48 is placed in the second groove 424, when energized, Magnet coil 48 can produce electromagnetic field to overcome the elastic force of elastic component 46 to make the second brake member 44 and first brake Part 42 separates, and when motor 30 shuts down, the dead electricity of magnet coil 48, magnetic force disappears, the resilience of elastic component 46 So that the second brake member 44 is contacted with first brake part 42 so that motor shaft 32 to be braked.Specifically, above-mentioned Two grooves 424 are circumferentially disposed along above-mentioned first brake part 42.When motor 30 shuts down, elastic component 46 returns Answer its original state and shrink and retracted the second brake member 44 with putting on the second brake member 44 with active force, The second brake member 44 is set to contact braking motor axle 32 with first brake part 42, when electrical power, i.e. electromagnetism Coil 48 is powered, then magnet coil 48 produces electromagnetic field so that the second brake member 44 to be pushed to away from first brake The position of part 42, so that the second brake member 44 overcomes the active force and first brake part 42 of elastic component 46 Separation, the normal work of motor shaft 32.Referring to Fig. 1, in the present embodiment, above-mentioned blower also includes handle 50, the setting of handle 50 is easy to operate blower, and in the present embodiment, the suction of pressure-vaccum annex 20 Gas port or inflatable mouth are set towards close to the direction on ground, are convenient for the action blown or inhaled.
The embodiment of the present invention also provides a kind of brake method of blower, including step:
Judge whether motor 30 shuts down;
If so, braking mechanism 40 brakes to the motor 30.
The present invention provides the brake method of the blower of embodiment, when judging that motor 30 shuts down, braking mechanism 40 pairs of motors 30 brake, i.e., motor shaft 32 stops operating and is installed on the part of motor shaft 32 and also stops Rotate, avoid after the shutdown of motor 30, because situation of its moving component of inertia also in rotation occurs, Protect the safety of user.
In the present embodiment, it is described judge the step of whether motor shuts down after also include step:
Judge whether pressure-vaccum annex 20 is connected to shell 10;
In this way, braking mechanism 40 brakes to the motor 30.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more specific and detailed, But therefore it can not be interpreted as the limitation to the scope of the claims of the present invention.It should be pointed out that for this area Those of ordinary skill for, without departing from the inventive concept of the premise, can also make it is some deformation and Improve, these belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be with appended Claim is defined.

Claims (10)

1. a kind of blower, including shell and the pressure-vaccum annex for being removably connected to the shell, the shell Inside is provided with motor, and the motor includes motor shaft, it is characterised in that the blower also includes braking machine Structure, the braking mechanism are located at the inside of the shell, and when the motor shuts down, the braking mechanism moves Work makes the motor brake.
2. blower according to claim 1, it is characterised in that the blower also includes control dress Put, when the motor shuts down, the control device controls the braking mechanism action to make the motor brake.
3. blower according to claim 2, it is characterised in that when the pressure-vaccum annex is not attached to During the shell, the control device controls the braking mechanism action to make the motor brake.
4. blower according to claim 3, it is characterised in that the blower also includes detection dress Put, for detecting whether the pressure-vaccum annex is connected to the shell, and detection signal is sent, when the inspection When survey device detects the pressure-vaccum annex not with the cage connection, the control device receives the inspection Surveying signal controls the braking mechanism action to make the motor brake.
5. blower according to claim 1, it is characterised in that the braking mechanism is installed on described One end of motor shaft, when the braking mechanism acts, the motor shaft of the motor is instantaneously braked.
6. blower according to claim 5, it is characterised in that the braking mechanism includes first and stopped Car part and the second brake member, the first brake part are fixedly connected with the shell, second brake member with The motor axis connection simultaneously can be with the motor shaft synchronous axial system, and when the motor shuts down, described first stops Car part is contacted and compressed with second brake member so that the motor shaft to be braked.
7. blower according to claim 6, it is characterised in that the braking mechanism also includes elasticity Part, the first brake part are provided with the first groove, and the elastic component is placed in first groove, the bullet The both ends of property part are connected with the first brake part and second brake member respectively, when the motor shuts down, The first brake part is contacted with second brake member with by the motor shaft in the presence of the elastic component Braking.
8. blower according to claim 7, it is characterised in that the braking mechanism also includes electromagnetism Coil, the first brake part are provided with the second groove, and the magnet coil is placed in second groove, when During energization, the magnet coil can produce electromagnetic field to overcome the elastic force of the elastic component to make second brake Part separates with the first brake part, and when the motor shuts down, the magnet coil dead electricity magnetic force disappears, institute Elastic component resilience is stated so that second brake member is contacted with the first brake part with by the motor shaft system It is dynamic.
9. a kind of brake method of blower, it is characterised in that including step:
Judge whether motor shuts down;
If so, braking mechanism is to the motor brake.
10. the brake method of blower according to claim 9, it is characterised in that in the judgement Also include step after the step of whether motor shuts down:
Judge whether pressure-vaccum annex is connected to shell;
If so, braking mechanism is to the motor brake.
CN201610340187.9A 2016-05-20 2016-05-20 Blower and its brake method Pending CN107397507A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610340187.9A CN107397507A (en) 2016-05-20 2016-05-20 Blower and its brake method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610340187.9A CN107397507A (en) 2016-05-20 2016-05-20 Blower and its brake method

Publications (1)

Publication Number Publication Date
CN107397507A true CN107397507A (en) 2017-11-28

Family

ID=60389269

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610340187.9A Pending CN107397507A (en) 2016-05-20 2016-05-20 Blower and its brake method

Country Status (1)

Country Link
CN (1) CN107397507A (en)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1194498A (en) * 1997-02-06 1998-09-30 布莱克-德克尔公司 Device and method for braking motor
CN1551457A (en) * 2003-05-07 2004-12-01 多摩川精机株式会社 Motor with a brake
CN2881204Y (en) * 2005-12-29 2007-03-21 常州金岛机电有限公司 Hub electric machine brake device
JP2010063573A (en) * 2008-09-10 2010-03-25 Panasonic Corp Vacuum cleaner
CN202840803U (en) * 2012-10-11 2013-03-27 浙江家利乐机电有限公司 Electromagnetic engagement mechanism
CN103156548A (en) * 2011-12-13 2013-06-19 苏州宝时得电动工具有限公司 Blow-suck machine
CN105027841A (en) * 2015-04-23 2015-11-11 常州格力博有限公司 Control panel monitoring system of mower and monitoring method thereof
CN204794543U (en) * 2015-07-28 2015-11-18 浙江尤奈特电机有限公司 DC motor
CN205226179U (en) * 2015-12-18 2016-05-11 苏州仲益电机设备有限公司 Novel braking brake
CN205814262U (en) * 2016-05-20 2016-12-21 苏州宝时得电动工具有限公司 Blower

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1194498A (en) * 1997-02-06 1998-09-30 布莱克-德克尔公司 Device and method for braking motor
CN1551457A (en) * 2003-05-07 2004-12-01 多摩川精机株式会社 Motor with a brake
CN2881204Y (en) * 2005-12-29 2007-03-21 常州金岛机电有限公司 Hub electric machine brake device
JP2010063573A (en) * 2008-09-10 2010-03-25 Panasonic Corp Vacuum cleaner
CN103156548A (en) * 2011-12-13 2013-06-19 苏州宝时得电动工具有限公司 Blow-suck machine
CN202840803U (en) * 2012-10-11 2013-03-27 浙江家利乐机电有限公司 Electromagnetic engagement mechanism
CN105027841A (en) * 2015-04-23 2015-11-11 常州格力博有限公司 Control panel monitoring system of mower and monitoring method thereof
CN204794543U (en) * 2015-07-28 2015-11-18 浙江尤奈特电机有限公司 DC motor
CN205226179U (en) * 2015-12-18 2016-05-11 苏州仲益电机设备有限公司 Novel braking brake
CN205814262U (en) * 2016-05-20 2016-12-21 苏州宝时得电动工具有限公司 Blower

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