CN100565741C - Ventilation fan - Google Patents
Ventilation fan Download PDFInfo
- Publication number
- CN100565741C CN100565741C CN200510114086.1A CN200510114086A CN100565741C CN 100565741 C CN100565741 C CN 100565741C CN 200510114086 A CN200510114086 A CN 200510114086A CN 100565741 C CN100565741 C CN 100565741C
- Authority
- CN
- China
- Prior art keywords
- face shield
- ventilation fan
- flabellum
- hodmadod
- electric component
- 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.)
- Expired - Fee Related
Links
Images
Abstract
The present invention relates to a kind of ventilation fan, be provided with the electrical equipment box of the hodmadod of ccontaining motor and flabellum, ccontaining electric component in the body of this ventilation fan, face shield, between body and face shield, be provided with safety switch, when body and face shield closure, described switch is in on-state, electric component energising work; When body separates with face shield, described safety switch is in off-state, electric component outage quits work, also be provided with in the ventilation fan to open behind the face shield and the flabellum device of mutual friction mutually, on hodmadod, flabellum below be equipped with and the equirotal packing ring of flabellum; Also be provided with spring at the hodmadod back side, be used for when face shield is opened, make packing ring on the hodmadod friction take place and make flabellum shut down with flabellum with hodmadod jack-up.
Description
Technical field
The present invention relates to a kind of safe electric equipment, refer in particular to a kind of electrical installation of by unexpected opening the time, cutting off the electricity supply automatically.The invention still further relates to a kind of ventilation fan that above-mentioned electrical installation is installed.
Background technology
Use a large amount of electric equipments in people's life and the production, electric equipment has brought facility to people.But people are always opening the electric equipment that some are being worked unintentionally, and some is harmless, such as flashlight; Some then may damage, such as the ventilation fan of high speed rotating.This class is to the misoperation of electric equipment and the injury that brings is that people are difficult to accept.But as if because the kind variation of electric equipment is thought thoroughly to stop misoperation and is difficult to.Therefore how reducing this class misoperation has been unusual good problem to study to people's injury.
Summary of the invention
The object of the present invention is to provide a kind of electrical installation, can when being opened, cut off the electricity supply automatically, stop the work of electric component, thus protection people's safety.
For achieving the above object, the invention provides a kind of electrical installation, comprise loam cake, lower frame and be contained in the interior electric component of lower frame, it is characterized in that, be provided with safety switch between loam cake and the lower frame, when loam cake and lower frame closure, described safety switch is in on-state, electric component energising work; When loam cake separated with lower frame, described safety switch was in off-state, and the electric component outage quits work.Have only when loam cake and lower frame closure, described safety switch just is in on-state, and this moment, electric component was able to energising work.As long as separate loam cake and lower frame, safety switch will be disconnected, and cut off the circuit of electric component this moment automatically, causes the electric component outage to quit work.Therefore when loam cake is opened by accident, just can the people who open not caused any harm, thereby prevent the danger that human negligence is got an electric shock effectively.
Described electrical installation is characterized in that, described safety switch is a plurality of.In a single day loam cake is opened by accident, as long as there is place's safety switch to be disconnected, electric component will be cut off power supply at once.
Described electrical installation is characterized in that, described safety switch is contained in the lower frame.
Described electrical installation is characterized in that, described electric component also is provided with power control switch, and this power control switch is installed in the lower frame; Described safety switch is two, lays respectively at the two ends of this electric component electric current input.Above-mentioned switch is arranged on the two ends of the electric component electric current input of electric component,, when loam cake is opened, can positively cuts off the power supply of electric component, reach the effect that improves fail safe no matter whether power control switch is in off-state.
Described electrical installation is characterized in that, described safety switch is made up of the muscle that is positioned at loam cake that is located at the button on the lower frame and is used to pin above-mentioned button.When loam cake and lower frame closure, have only when two place's muscle and all pin button, circuit is just connected.
Described electrical installation is characterized in that, the size of described muscle is bigger than button.In loam cake and lower frame closure,,, make muscle pin button easily, thereby make safety switch be in on-state because the size of muscle is bigger than button even the center of the center of muscle and button is the situation of dislocation.
Described electrical installation is characterized in that, opens the twice groove on described lower frame, and described two place's buttons are separately positioned in two place's grooves, and described muscle also stretches in the groove.Groove the effect that guiding is played in the action that muscle is pinned button is set, can guarantee button by muscle by arriving.Button is arranged in the groove, is not easy to be run into, safety switch is played the effect of protection.The design of groove also can prevent finger or other object actuation button.In addition, groove be arranged on the position that protection can also fixed cover safety switch the time, make loam cake and lower frame after building more identical, thus safer.
Described electrical installation is characterized in that, described muscle forms ascending trapezoidal from an end of contact button to an end that connects loam cake.Because it is trapezoidal that muscle forms, and makes muscle be more prone to enter into groove.When loam cake is installed, makes things convenient for the position of alignment slot, and can guarantee positively to pin button.
Described electrical installation is characterized in that, the groove that is located in the lower frame is formed ascending trapezoidal to the top by the bottom.Because flute profile in echelon, makes muscle be more prone to enter into groove.When loam cake is installed, make things convenient for the position of alignment slot.
Main purpose of the present invention also is to provide a kind of ventilation fan, can cut off the electricity supply automatically when being opened, and stops the work of electric component, thus protection people's safety.
Secondary objective of the present invention also is to provide a kind of ventilation fan, can be when being opened the work of Braking mode ventilation fan flabellum, thereby protection people's safety.
For achieving the above object, the invention provides a kind of ventilation fan, be provided with the electrical equipment box of the hodmadod of ccontaining motor and flabellum, ccontaining electric component in the body of this ventilation fan, face shield, it is characterized in that, between body and face shield, be provided with safety switch, when body and face shield closure, described switch is in on-state, electric component energising work; When body separated with face shield, described safety switch was in off-state, and the electric component outage quits work.
Have only when body and face shield closure, described safety switch just is in on-state, and this moment, electric component was able to energising work.As long as separate body and face shield, safety switch will be disconnected, and cut off the circuit of electric component this moment automatically, causes the electric component outage to quit work, thereby motor and flabellum are also quit work.Therefore when face shield is opened by accident, just can the people who open not caused any harm, thereby prevent the danger that human negligence is got an electric shock effectively.
Described ventilation fan is characterized in that, described safety switch is a plurality of.When ventilation fan in when work or when forgetting that outage goes to clean, face shield is in case opened by accident, as long as there is place's safety switch to be disconnected, body will be cut off power supply at once.
Described ventilation fan is characterized in that, described safety switch is contained in the electrical equipment box.Safety switch is contained in the electrical equipment box,, is not easy to be run into respect to safety switch being contained in electrical equipment box outside; and then play the protection safety switch effect; and, play the effect of easily safety switch being carried out wiring, the appearance that can also avoid misconnection to touch.Can in the electrical equipment box, directly increase safety switch simply, and, because safety switch is installed in the electrical equipment box, can prevent the generation of leaking electricity when helping wiring.Have construction easily, avoid damaged effect.The situation that can avoid when careless, running into safety switch and make the flabellum running, and then can carry out operation safely.
Described ventilation fan is characterized in that, described electric component also is provided with power control switch, and this power control switch is installed in the electrical equipment box; Described safety switch is two, is located between electrical equipment box and the face shield, lays respectively at the two ends of this electric component electric current input.Above-mentioned switch is arranged on the two ends of the electric component electric current input of electric component,, when face shield is opened, can positively cuts off the power supply of electric component, reach the effect that improves fail safe no matter whether power control switch is in off-state.
Described ventilation fan is characterized in that, described safety switch is made up of the muscle that is positioned on the face shield inwall position that is located at the button on the electrical equipment box and is used to pin above-mentioned button.The two place's buttons that have only two outstanding place's muscle to pin simultaneously on the electrical equipment box could make the electric component in the electrical equipment box switch on, thereby make the body energising.
Described ventilation fan is characterized in that, the size of muscle is bigger than button.In face shield and electrical equipment box closure,,, make muscle pin button easily, thereby make safety switch be in on-state because the size of muscle is bigger than switch even the center of the center of muscle and button is the situation of dislocation.
Described ventilation fan is characterized in that, opens the twice groove on described electrical equipment box, and described two place's buttons are separately positioned in two place's grooves, and described muscle also stretches in the groove.Groove the effect that guiding is played in the action that muscle is pinned button is set, can guarantee button by muscle by arriving.Safety switch is arranged in the groove, is not easy to be run into, can prevent careless actuation button when cleaning, safety switch is played the effect of protection.The design of groove also can prevent finger or other object actuation button.In addition, when the setting of groove can be protected safety switch and the position of energy fixed visors makes face shield and body after building more identical, thereby safer.
Described ventilation fan is characterized in that, described muscle forms ascending trapezoidal from an end of contact button to an end that connects face shield.Because it is trapezoidal that muscle forms, and makes muscle be more prone to enter into groove.When face shield is installed, makes things convenient for the position of alignment slot, and can guarantee positively to pin button.
Described ventilation fan is characterized in that, the groove that is located in the electrical equipment box is formed ascending trapezoidal to the top by the bottom.Because flute profile in echelon, makes muscle be more prone to enter into groove.When face shield is installed, make things convenient for the position of alignment slot.
Described ventilation fan is characterized in that, also is provided with in the ventilation fan to open behind the face shield and the flabellum device of mutual friction mutually.Behind deenergization, flabellum by being arranged on the rubbing device in the ventilation fan, makes flabellum shut down soon behind deenergization because inertia still can turn round.Can guarantee flabellum safety when opening face shield, stop effectively.
Described ventilation fan is characterized in that, on hodmadod, flabellum below be equipped with and the equirotal packing ring of flabellum; Also be provided with spring at the hodmadod back side, be used for when face shield is opened, make packing ring on the hodmadod friction take place and make flabellum shut down with flabellum with hodmadod jack-up.Do not open face shield if cut off the electricity supply earlier, though power supply can be cut off immediately, flabellum still turns round, at this time, by above-mentioned spring handle hodmadod jack-up, allow the packing ring on the hodmadod rub with flabellum, and make flabellum shut down, thereby can guarantee safety at once.
Described ventilation fan, it is characterized in that, be provided with the rotational structure that the revolution face shield is used on the top that above-mentioned face shield contacts with body, the top of face shield inboard is provided with card article, be used for when face shield is opened, by described rotational structure revolution face shield, make card article contact the generation friction with flabellum and make flabellum shut down.Do not open face shield if cut off the electricity supply earlier, though power supply can be cut off immediately, flabellum still turns round, and at this time, rubs with flabellum by card article by above-mentioned rotational structure, and makes flabellum shut down at once, thereby can guarantee safety.
In sum, a kind of electrical installation provided by the invention and a kind of ventilation fan have good fail safe.
Description of drawings
Figure 1A, Figure 1B are the schematic diagrames of a kind of electrical installation of the present invention;
Fig. 2 A, Fig. 2 B are the first embodiment schematic diagrames of a kind of ventilation fan of the present invention;
Fig. 3 is the floor map of the body of a kind of ventilation fan shown in Fig. 2 A;
Fig. 4 is the local enlarged diagram of the electrical equipment box of a kind of ventilation fan shown in Fig. 2 A, Fig. 2 B;
Fig. 5 is the schematic diagram of second embodiment of a kind of ventilation fan of the present invention;
Fig. 6 is the circuit diagram of a kind of ventilation fan of the present invention.
Embodiment
Shown in Figure 1A, Figure 1B, be a kind of electrical installation 100 provided by the invention.Wherein Figure 1A is the plane graph of lower frame 102.Electrical installation 100 comprises loam cake 101, lower frame 102 and is contained in the interior electric component 103 of lower frame that electric component 103 also is provided with power control switch 104.Twice groove 130 and 140 are opened in inside on lower frame, are respectively equipped with button 111,121, are provided with the muscle 112,122 that is used to pin above-mentioned button last covering, and the size of muscle is bigger than button.Button 111,121 and corresponding muscle 112,122 are formed two groups of safety switches.When loam cake 101 and lower frame 102 closures, muscle 112,122 stretches into respectively in groove 130 and 140, pins button 111,121, and this moment, safety switch was in on-state, electric component 103 energising work, and this moment, two groups of safety switches were put fully in lower frame 102; When loam cake 101 separated with lower frame 102, described two groups of safety switches were in off-state, and electric component 103 outages quit work.
Groove 130,140 in the lower frame 102 is formed ascending trapezoidal to the top by the bottom.Muscle 112,122 simultaneously also forms ascending trapezoidal from an end of contact button to an end that connects loam cake.Because it is trapezoidal that muscle and groove all form, so muscle enters into groove easily.When loam cake 101 is installed, makes things convenient for the position of alignment slot 130,140, and can guarantee positively to pin button 111,121.
As Fig. 2 A, Fig. 2 B and shown in Figure 3, be first embodiment of the present invention schematic diagram.Please referring to Fig. 6, be circuit diagram simultaneously.A kind of ventilation fan 200 is provided with the hodmadod 170 of ccontaining motor 190 and flabellum 180, the electrical equipment box 202 of ccontaining electric component 203 in the body 300, face shield 201, and electric component 203 also is provided with power control switch 204.This power control switch 204 can be the pull switch that stretches out body 300, also can be remote control switch or other modes.Twice groove 230 and 240 are opened in inside on the electrical equipment box, are respectively equipped with button 211,221, are provided with the muscle 212,222 that is used to pin above-mentioned button on face shield, and the size of muscle is bigger than button.Button 211,221 and corresponding muscle 212,222 are formed two groups of safety switches 1000,2000.When face shield 201 and body 300 closures, muscle 212,222 stretches into respectively in groove 230 and 240, pins button 211,221, and this moment, safety switch was in on-state, electric component 203 energising work, and this moment, safety switch was put fully in electrical equipment box 202.If this moment, power control switch 204 also was in on-state, then the circuit of ventilation fan all is communicated with, the ventilation fan operate as normal.In the case, quit work, only need state with power control switch 204 change into closing and get final product if wish ventilation fan.When face shield 201 separates with body 300, described safety switch is in off-state, electric component 203 outages quit work, no matter this moment, whether power control switch 204 was in on-state, whole ventilation fan all is to be in power down mode, therefore is perfectly safe for the personnel that open face shield 201.Owing to do not know which kind of state power control switch 204 is in sometimes, but adopt the present invention then to guarantee safety.
Please referring to Fig. 2 A, diagram the present invention brakes first embodiment of flabellum again.On hodmadod 170, flabellum 180 below be equipped with and flabellum 180 equirotal packing rings 160; Also be provided with spring 150 at the hodmadod back side.As shown in the figure, when face shield 201 was opened, owing to lost the pressure of 201 pairs of hodmadods of face shield, spring 150 just made hodmadod 170 jack-up the packing ring 160 on the hodmadod 170 follow flabellum 180 generation frictions to make flabellum 180 shut down.
Again please referring to Fig. 4, the groove 240 in the electrical equipment box 202 is formed ascending trapezoidal to the top by the bottom.Muscle 222 on the face shield 201 simultaneously also forms ascending trapezoidal from an end of contact button to an end that connects face shield.Because it is trapezoidal that muscle and groove all form, so muscle enters into groove easily.When face shield is installed, the effect of groove 240 is arranged, the convenient position of aiming at muscle 222, and can guarantee positively to pin button 221.Because two groups of safety switches of the present invention are same, therefore only illustrate wherein one group.
As shown in Figure 5, brake the schematic diagram of second embodiment of flabellum for the present invention.Be provided with the rotational structure 301 of revolution face shield 201 usefulness on the top that face shield 201 contacts with body 300, the top of face shield 201 inboards is provided with card article 250.As shown in the figure, when face shield 201 is opened,, makes card article 250 contact the generation friction with flabellum 180 and make flabellum 180 shut down by described rotational structure 301 revolution face shields 201.
Claims (9)
1, a kind of ventilation fan is provided with the electrical equipment box of the hodmadod of ccontaining motor and flabellum, ccontaining electric component, face shield in the body of this ventilation fan, between body and face shield, be provided with safety switch, when body and face shield closure, described switch is in on-state, electric component energising work; When body separated with face shield, described safety switch was in off-state, and electric component outage quits work, and also was provided with in the ventilation fan to open behind the face shield and the flabellum device of mutual friction mutually, it is characterized in that,
On hodmadod, flabellum below be equipped with and the equirotal packing ring of flabellum; Also be provided with spring at the hodmadod back side, be used for when face shield is opened, make packing ring on the hodmadod friction take place and make flabellum shut down with flabellum with hodmadod jack-up.
2, ventilation fan according to claim 1 is characterized in that, described safety switch is a plurality of.
3, ventilation fan according to claim 1 is characterized in that, described safety switch is contained in the electrical equipment box.
4, ventilation fan according to claim 1 is characterized in that, described electric component also is provided with power control switch, and this power control switch is installed in the electrical equipment box; Described safety switch is two, is located between electrical equipment box and the face shield, lays respectively at the two ends of this electric component electric current input.
5, ventilation fan according to claim 4 is characterized in that, described safety switch is made up of the muscle that is positioned on the face shield inwall position that is located at the button on the electrical equipment box and is used to pin above-mentioned button.
6, ventilation fan according to claim 5 is characterized in that, the size of muscle is bigger than button.
7, ventilation fan according to claim 5 is characterized in that, opens the twice groove on described electrical equipment box, and described two place's buttons are separately positioned in two place's grooves, and described muscle also stretches in the groove.
8, ventilation fan according to claim 7 is characterized in that, described muscle forms ascending trapezoidal from an end of contact button to an end that connects face shield.
9, ventilation fan according to claim 7 is characterized in that, the groove that is located in the electrical equipment box is formed ascending trapezoidal to the top by the bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200510114086.1A CN100565741C (en) | 2005-10-18 | 2005-10-18 | Ventilation fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200510114086.1A CN100565741C (en) | 2005-10-18 | 2005-10-18 | Ventilation fan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1953114A CN1953114A (en) | 2007-04-25 |
| CN100565741C true CN100565741C (en) | 2009-12-02 |
Family
ID=38059376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200510114086.1A Expired - Fee Related CN100565741C (en) | 2005-10-18 | 2005-10-18 | Ventilation fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100565741C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106945825A (en) * | 2017-05-03 | 2017-07-14 | 上海未来伙伴机器人有限公司 | A kind of flying robot |
| CN107089339B (en) * | 2017-05-22 | 2023-07-28 | 南京信息工程大学 | Unmanned aerial vehicle emergency power-off protection device that is out of control |
-
2005
- 2005-10-18 CN CN200510114086.1A patent/CN100565741C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1953114A (en) | 2007-04-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103326291B (en) | Interlocking device for bus duct plug box | |
| CN100565741C (en) | Ventilation fan | |
| CN201508796U (en) | Mining explosion-proof type permanent magnetic vacuum feed switch | |
| CN203192636U (en) | Misoperation prevention mechanism for ring network cabinet | |
| CN205354916U (en) | Isolator and vacuum switch integration operating device | |
| CN104217873A (en) | Electrical circuit switching device | |
| CN205050796U (en) | Drawer type intelligence circuit breaker of opening safely | |
| CN202003869U (en) | Combined push-button switch device with mechanical interlock | |
| CN102591038A (en) | Spectacles with LED lighting devices | |
| CN203351457U (en) | Interlocking mechanism among isolating switch, vacuum circuit breaker and cabinet door | |
| CN201022068Y (en) | Device for blocking electrical connection between power supply input and output end | |
| CN205582760U (en) | Switch safety cover and controlgear | |
| CN205882250U (en) | Electric shock protecting safety socket | |
| CN208922939U (en) | A kind of twin-lock structure and omnipotent breaker for omnipotent breaker | |
| CN205159987U (en) | Bus duct | |
| CN203039278U (en) | Low voltage drawer cabinet live-line operation switch misoperation prevention interlocking device | |
| CN105162023B (en) | 35kV switchgear isolating baffle plate mechanical blocking apparatus | |
| CN203632582U (en) | Pruning machine brake circuit | |
| CN202268269U (en) | Operation mechanism for mechanical interlocking of switch equipment | |
| CN102039215B (en) | Paper shredder control system responsive to touch-sensitive element | |
| CN202871670U (en) | Interlocked operating mechanism of isolation switch box | |
| CN203659762U (en) | Anti-misoperation device for device emergency switch | |
| CN201749815U (en) | Switch locking device | |
| CN205354909U (en) | Dual -power switch protecting sheathing | |
| CN109994955A (en) | A kind of GCS type low voltage drawing-out switching carbinet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091202 Termination date: 20211018 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |