CN1700386A - Circuit control protector - Google Patents
Circuit control protector Download PDFInfo
- Publication number
- CN1700386A CN1700386A CN 200410042354 CN200410042354A CN1700386A CN 1700386 A CN1700386 A CN 1700386A CN 200410042354 CN200410042354 CN 200410042354 CN 200410042354 A CN200410042354 A CN 200410042354A CN 1700386 A CN1700386 A CN 1700386A
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- CN
- China
- Prior art keywords
- rod member
- elastic sheet
- interlock rod
- electroconductive elastic
- box body
- 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
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Abstract
This invention provides one circuit control protector, which is characterized by the following: its one end of button is connected to one end of bar located on one clamping groove with conductive spring slices; the lever side touched to one convex spring part; one end of the spring part drops out of the conductive spring slices when the button is located in open status to make the spring free drop off the groove; when in overflow, the spring slice bents and springs to the reverse direction without limit of the connection lever.
Description
Technical field
The present invention relates to a kind of circuit-controllable protector.
Background technology
The operation of power control switch mainly is to carry out energising (ON) and outage (OFF) two kinds of actuating lengths of current circuit.Except carrying out the energising and the two kinds of functions of cutting off the power supply, existing many constructions of switch also have the function of current overload automatic escape outage when overheated, by automatic escape power down function, to avoid when current overload, fuse or circuit breaker can not open circuit and the danger that causes circuit to cock off in real time.
The patent formerly of various known power control switch is too numerous to mention, as the applicant's United States Patent (USP) the 5th, 262, No. 748, other United States Patent (USP) the 4th, 167, No. 720, the 4th, 937, No. 548, the 5th, 223, No. 813, the 5th, 451, No. 729, the 5th, 558, No. 211 etc., but patent formerly all has following common shortcoming:
(1) assembly of interlock is various, and the stroke complexity of its interlock produces the non real-time start relation between button and terminal assembly, has also improved manufacturing cost.
(2) action relationships is uncertain, increases the fault chance, is unfavorable for the safety that the consumer uses.
(3) current overload and when causing circuit overheated, contact flat spring escape outage in real time or escape are incomplete makes circuit still be current conductive state, and circuit continues overheated and danger that cause electric wire to cock off.
When (4) current overload and circuit were overheated, the escape of contact flat spring only was half escape state, rebound "on" position more again when contact flat spring cools off, and continuing switches on repeatedly, cuts off the power supply forms the spark of contact point, causes danger; And the electronics in the current circuit, electric equipment be because of switching on repeatedly, cut off the power supply, and shut down or can't normal operation, shortens useful life, even infringement and can't using.
For effectively carrying out power control switch intraware interlock action relationships really, simplify the power control switch assembly to reduce cost of manufacture, guarantee to cut off the power supply to strengthen Electrical Safety by the immediate reaction escape when current overload, the lasting research improvement of power control switch structure becomes manufacturer's important common issue.
Summary of the invention
The technical problem that institute of the present invention desire solves:
The invention reside in that the assembly that solves known power control switch serial verb construction is complicated, cost of manufacture is high, assembly is indirect continuous action relation, the interlock stroke of assembly is long and reaction is slow, and power control switch many shortcomings of fault in operation, particularly solving known power control switch when current overload is overheated, escape cuts off the power supply and causes circuit to continue the superheat state of circulation in real time; And solving current overload when overheated, contact flat spring is half escape state, rebound "on" position more again when contact flat spring cool off, the formation contact pyrophoric behavio(u)r that continues to switch on repeatedly, cuts off the power supply, the dangerous problem that causes circuit to cock off.
The invention provides a kind of circuit-controllable protector, consist predominantly of a box body, a button, an electroconductive elastic sheet, an interlock rod member; It is characterized in that: this button one end articulates an end of interlock rod member, this interlock rod member is provided with a clip slot, this clip slot is the clamping electroconductive elastic sheet versatilely, the side of interlock rod member is resisted against the elastomer of a projection, when button is positioned at the position of circuit turn-on (ON), one side of the clip slot of this interlock rod member breaks away from the clamping electroconductive elastic sheet, makes this electroconductive elastic sheet can be to the free escape of a side of clip slot; During current overload, the distortion of electroconductive elastic sheet heated bending, freedom are oppositely bounced, and not limited by the clamping of interlock rod member clip slot, and the contact of circuit is separated, and form outage fully (OFF) state of circuit loop.
Circuit-controllable protector provided by the invention, by the interlock rod member one clip slot is set, this clip slot is the clamping electroconductive elastic sheet versatilely, when button is positioned at the position of circuit turn-on (ON), one side of the clip slot of this interlock rod member breaks away from the clamping electroconductive elastic sheet, makes this electroconductive elastic sheet can be to the free escape of a side of clip slot; During current overload, the electroconductive elastic sheet temperature distortion is oppositely bounced, and not limited by the clamping of interlock rod member clip slot, and electroconductive elastic sheet is able to escape successfully, and the contact of circuit is separated, and forms outage fully (OFF) state of circuit loop, reaches aim of safe power utilization.
According to the present invention, when the current overload circuit is overheated, electroconductive elastic sheet be heated back-flexing, react escape rapidly, and be the off-position of complete escape, avoid electroconductive elastic sheet when cooling rebound "on" position more again, can not continue to switch on repeatedly, cut off the power supply forms the contact spark and causes danger.
In addition, the present invention simplifies the assembly of the whole interlock of power control switch, and assembling can effectively reduce manufacturing cost easily, and prolongs the useful life of power control switch structure, reduces consumption user's expenditure.
Description of drawings
Fig. 1 is the assembled sectional view of the embodiment of the invention, and it shows the state of the energising (ON) of the embodiment of the invention;
Fig. 2 is the local enlarged diagram of Fig. 1;
Fig. 3 is the assembled sectional view of the embodiment of the invention, and it shows the state of the outage (OFF) of the embodiment of the invention;
Fig. 4 is the local enlarged diagram of Fig. 3;
Fig. 5 is the assembled sectional view of the embodiment of the invention, it shows that the embodiment of the invention is by the start pilot process of outage (OFF) to energising (ON), and showing the clip slot of interlock rod member and the relative space relation of electroconductive elastic sheet, the clip slot pulling electroconductive elastic sheet free end of interlock rod member is upwards;
Fig. 6 is the local enlarged diagram of Fig. 5;
Fig. 7 is the schematic perspective view of the electroconductive elastic sheet of the embodiment of the invention;
Fig. 8 is the schematic perspective view of another state of electroconductive elastic sheet of the embodiment of the invention;
Fig. 9 is the schematic perspective view of the interlock rod member of the embodiment of the invention;
Figure 10 is the assembled sectional view of the embodiment of the invention, and it shows the embodiment of the invention when current overload, the intermediateness of electroconductive elastic sheet heated bending distortion, and show that the free end of electroconductive elastic sheet is not limited by the clamping of interlock rod member clip slot;
Figure 11 is the local enlarged diagram of Figure 10;
Figure 12 is the assembled sectional view of the embodiment of the invention, and it shows the embodiment of the invention when energising (ON) situation current overload, electroconductive elastic sheet back-flexing escape, the state of become to cut off the power supply (OFF);
Figure 13 is the local enlarged diagram of Figure 12;
Figure 14 is the assembled sectional view of the embodiment of the invention two, and it shows the state of the energising (ON) of the embodiment of the invention two;
Figure 15 is the local enlarged diagram of Figure 14;
Figure 16 is the assembled sectional view of the embodiment of the invention two, and it shows the state of the outage (OFF) of the embodiment of the invention two;
Figure 17 is the local enlarged diagram of Figure 16;
Figure 18 is the assembled sectional view of the embodiment of the invention two, be presented at energising (ON) situation, the free-ended relative position of the clip slot of interlock rod member and electroconductive elastic sheet, this electroconductive elastic sheet is not limited by the clip slot clamping of interlock rod member, during current overload, electroconductive elastic sheet back-flexing escape, the state of become to cut off the power supply (OFF);
Figure 19 is the local enlarged diagram of Figure 18.
Among the figure
1 box body, 11 first contact terminals
12 second contact terminals, 121 second contacts
13 elastomers, 14 nose bars
15 elastic components, 141 inclined-planes
2 buttons, 21 Extendible flakes
22 pivoted holes, 3 electroconductive elastic sheets
30 contact flat springs, 31 first contacts
4 interlock rod members, 40 connecting portions (cross bar)
41 clip slots, 42 first sides
43 second sides
Embodiment
For describing purpose of the present invention, feature and effect in detail, now by following preferred specific embodiment, conjunction with figs. is described in detail the present invention:
Shown in Fig. 1～6 and 12,13, it is the assembled sectional view of the embodiment of the invention, and electroconductive elastic sheet back-flexing escape became the state of outage when it showed the outage (OFF), energising (ON) of the embodiment of the invention and current overload; A kind of circuit-controllable protector of the present invention, it consists predominantly of a box body 1, a button 2, an electroconductive elastic sheet 3, an interlock rod member 4; Wherein,
Electroconductive elastic sheet 3 is roughly the domed metal curved arc of rubber-like lamellar body, and curved arc sheet physical efficiency is beated to different two sides bendings, wearing groove and forming an end and contact flat spring 30 that lamellar body links curved arc lamellar body punching press one " ㄈ " shape of electroconductive elastic sheet 3, with reference to figure 7,8, the free end of contact flat spring 30 is established first contact 31, and the free end of contact flat spring 30 points to first contact 31 and keeps opposite with the curved arc direction of electroconductive elastic sheet 3; When being heated, electroconductive elastic sheet 3 distortion back-flexings and to the another side spring, 31 of the contact flat spring 30 and first contacts be escape round about; One end of electroconductive elastic sheet 3 fixedly is mounted on first contact terminal 11, and the free end live splint of the other end is held in the clip slot 41 of interlock rod member 4; Electroconductive elastic sheet 3 also can be the composition metal thin slice.
The present invention is at general energising (ON) enforcement state with outage (OFF):
By being energized to off-position: at Fig. 1, under 2 the "on" position, the right-hand member of pressing button 2 is downward, these button 2 left ends upwards, the connecting portion (cross bar) 40 of interlock rod member 4 upper ends direction to left down moves, the first side 42 of the clip slot 41 of interlock rod member 4 break away from butt box bodys 1 nose bar 14 inclined-plane 141 and promote electroconductive elastic sheet 3 free-ended upper sides downwards, make the crooked spring of electroconductive elastic sheet 3 free ends downwards, contact flat spring 30 in the electroconductive elastic sheet 3 is upwards oppositely bounced by the original state that is bent downwardly, contact flat spring 30 free-ended first contacts 31 separate with second contact 121, become Fig. 3, off-position shown in 4.
By cutting off the power supply: at Fig. 3 to "on" position, under 4 the off-position, the left end of pressing button 2 is downward, these button 2 right-hand members upwards, connecting portion (cross bar) 40 of interlock rod member 4 upper ends to the upper right side to moving, and the direction of displacement by elastomer 13 guiding interlock rod members 4, interlock rod member 4 lower end lateral surfaces are pushed against direction to clip slot 41 left by the elastic force of elastomer 13, make the second side 43 of the clip slot 41 of interlock rod member 4 upwards spur electroconductive elastic sheet 3 free-ended downsides, with reference to figure 5, shown in 6, make electroconductive elastic sheet 3 free ends be bent upwards spring, the first side 42 of the clip slot 41 of interlock rod member 4 upwards is displaced to the position on the inclined-plane 141 of butt box body 1 nose bar 14, and the contact flat spring 30 in the electroconductive elastic sheet 3 is by the oppositely spring downwards of the original state that is bent upwards, contact flat spring 30 free-ended first contacts 31 contact with second contact 121, become Fig. 1, "on" position shown in 2.
According to above-mentioned action, pressing button 2 swings repeatedly, make interlock rod member 4 and button 2 synchronous starts, the clip slot 41 of interlock rod member 4 and first side 42 thereof, second side 43 push-and-pull electroconductive elastic sheets 3 downwards, be bent upwards spring, the user mode that makes circuit loop form outage or switch on.
The invention is characterized in: the Extendible flake 21 of button 2 one ends is provided with pivoted hole 22, the movable connecting portion 40 (cross bar) that articulates interlock rod member 4, this interlock rod member 4 is provided with a clip slot 41, clip slot 41 is formed by first side 42 and second side 43, second side 43 is comparatively narrower and shallower than first side 42, this clip slot 41 is the free end of clamping electroconductive elastic sheet 3 versatilely, the side of interlock rod member 4 is resisted against the elastomer 13 of a projection, and the direction of displacement of elastomer 13 guiding interlock rod members 4 is also given the elastic force of interlock rod member 4 one to clip slot 41 directions; When button 2 was positioned at the position of circuit turn-on (ON), the second side of the clip slot 41 of interlock rod member 4 43 broke away from the free end of clamping electroconductive elastic sheets 3, made this electroconductive elastic sheet 3 can be to the free escape of direction of the second side 43 of clip slot 41.
When current overload, electroconductive elastic sheet 3 (downwards) flexural deformation in the other direction of being heated, not limited by the clamping of interlock rod member 4 clip slots 41, with reference to Figure 10,11, when electroconductive elastic sheet 3 heated bendings are out of shape by critical point, promptly freely to opposite direction (downwards) escape, the spring that (makes progress) round about simultaneously of contact flat springs 30 in the electroconductive elastic sheet 3, first contact 31 of circuit is separated with second contact 121, form outage fully (OFF) state of circuit loop, shown in 1 Fig. 2,13.
In addition with reference to Figure 14～19, the assembled sectional view of the embodiment of the invention two and partial enlarged drawing show its circuit turn-on (ON), open circuit (OFF) and the state of current overload escape (TRIP-FREE); Wherein, unique difference of the embodiment of the invention two and previous embodiment is fixedly embedding group of box body 1 medial surface one elastic component 15 of embodiment two, replaces the elastomer 13 of the projection of previous embodiment one with elastic component 15; This elastic component 15 is the elastic strip body of a curved arc shape, replaces the side of interlock rod member 4 and provides the interlock rod member 4 one elastic forces, makes clip slot 41 activity clamping electroconductive elastic sheet 3 free ends or not clamping electroconductive elastic sheet 3 free ends of interlock rod member 4.
In the enforcement, the circuit turn-on (ON) of the embodiment of the invention two and previous embodiment, open circuit (OFF) and the action relationships of the state of current overload escape (TRIP-FREE) etc. identical.
Assembly of the present invention and course of action simplification, rapid; When current overload, be not subjected to the obstruction of construction package locus, after the electroconductive elastic sheet 3 temperature distortion bendings, be able to successfully free escape in the other direction, form outage fully (OFF) state of circuit loop, really can reach the fail safe of electricity consumption.
Below the present invention has been done a detailed description, but the above only is the preferred embodiments of the present invention, can not limit scope of the invention process.Promptly the equalization of doing according to the present patent application scope changes and modifies etc., all should still belong in the patent covering scope of the present invention.
Claims (7)
1. circuit-controllable protector, it includes a box body, a button, an electroconductive elastic sheet, an interlock rod member; It is characterized in that:
Described box body is a hollow form, and its top is provided with an opening, and the bottom surface group of box body is established at least two contact terminals, and the first contact terminal top fixing group of kink is established an end of electroconductive elastic sheet, and second contact terminal top is combined with one second contact; The box body medial surface is established at least one elastomer;
Be articulated in to described button activity the opening of box body top, button is axis swing with the articulated section; Button is provided with a pivoted hole;
Described electroconductive elastic sheet is roughly the domed metal curved arc of rubber-like lamellar body, curved arc sheet physical efficiency is beated to different two sides bendings, form the contact flat spring of an end and lamellar body binding at the lamellar body of electroconductive elastic sheet, the free end of this contact flat spring is established first contact, and the free end of contact flat spring keeps opposite with the curved arc direction of electroconductive elastic sheet with first contact; One end of electroconductive elastic sheet fixedly is mounted on first contact terminal, and the free end live splint of electroconductive elastic sheet is held in the clip slot of interlock rod member;
Described interlock rod member one end is a connecting portion, and the connecting portion activity is articulated in the pivoted hole of button; The interlock rod member is provided with a clip slot, the free end of the aforesaid electroconductive elastic sheet of clip slot activity clamping, and when button was positioned at the position of circuit turn-on, the clip slot of this interlock rod member broke away from the free end of clamping electroconductive elastic sheet, made this electroconductive elastic sheet can free escape; Interlock rod member one side is connected to the elastomer of aforementioned lid medial surface, and the direction of displacement of this elastomer guiding interlock rod member is also given the elastic force of interlock rod member one to the clip slot direction.
2. circuit-controllable protector as claimed in claim 1, the set elastomer of wherein said box body medial surface is an arcuation elastic strip body, elastomeric end and box body medial surface are connected, and make elastomer become a hollow form.
3. circuit-controllable protector as claimed in claim 1, the set elastomer of wherein said box body medial surface be fixedly embedding group of an end in the elastic component of box body medial surface, this elastic component is the elastic strip body of a curved arc shape.
4. circuit-controllable protector as claimed in claim 1, wherein said box body is established a nose bar in addition, and a side of the corresponding interlock rod member of this nose bar forms an inclined-plane, and this inclined-plane is in order to the direction of displacement of guiding interlock rod member.
5. circuit-controllable protector as claimed in claim 1, Extendible flake is established in the below of wherein said button, and this Extendible flake is provided with pivoted hole.
6. circuit-controllable protector as claimed in claim 1, the connecting portion of wherein said interlock rod member are a cross bar.
7. circuit-controllable protector as claimed in claim 1, the clip slot of wherein said interlock rod member is formed by first side and second side, and the second side is narrower and shallower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410042354 CN1700386A (en) | 2004-05-20 | 2004-05-20 | Circuit control protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410042354 CN1700386A (en) | 2004-05-20 | 2004-05-20 | Circuit control protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1700386A true CN1700386A (en) | 2005-11-23 |
Family
ID=35476372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410042354 Pending CN1700386A (en) | 2004-05-20 | 2004-05-20 | Circuit control protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1700386A (en) |
-
2004
- 2004-05-20 CN CN 200410042354 patent/CN1700386A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |