CN101980351B - Rocker-type single-wire double-connection double-insurance switch - Google Patents
Rocker-type single-wire double-connection double-insurance switch Download PDFInfo
- Publication number
- CN101980351B CN101980351B CN 201010535306 CN201010535306A CN101980351B CN 101980351 B CN101980351 B CN 101980351B CN 201010535306 CN201010535306 CN 201010535306 CN 201010535306 A CN201010535306 A CN 201010535306A CN 101980351 B CN101980351 B CN 101980351B
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- Prior art keywords
- swinging plate
- moving
- double
- wire
- seesaw
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical group data:image/svg+xml;base64,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 data:image/svg+xml;base64,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 [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 43
- 229910052802 copper Inorganic materials 0.000 claims description 9
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N copper Chemical group 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[Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
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Abstract
The invention discloses a rocker-type single-wire double-connection double-insurance switch. The switch comprises a shell, a rocker component, an electromagnetic mechanism, wiring terminals, a toggle board, a conducting strip and moving springs, wherein when a moving iron core is connected with the toggle board under the action of electromagnetic force, the toggle board is swung leftwards to rightwards along the action of a rocker; a moving contact on the toggle board is contacted with a fixed contact on a wiring terminal on the left side or the right side of the moving contact so as to form a turn-on circuit; and when the moving iron core is separated from the toggle board, the toggle board is only stressed by the elastic force of the moving springs on the two sides of the toggle board so that the toggle board is balanced between the wiring terminals to cut off the circuit. In the switch, the moving springs and the moving iron core act on the toggle board together so that the toggle board is contacted or disconnected with fixed contacts on the two sides to form an on or off state of the circuit. The switch can be suitable for the overheating protection, the overcurrent protection and the short-circuit protection of electric appliances, and has the advantages of reasonable structure, high safety performance and the like.
Description
Technical field
The present invention discloses a kind of Rocker-type single-wire double-connection double-insurance switch; belong to electric prospection Switch manufacturing technology field by International Patent Classification (IPC) (IPC) division; especially relating to a kind of short circuit, electrical equipment over current fault etc. of being applied to, is the ganged switch innovation structure of one to one load protection terminal.
Background technology
Development along with science and technology; mains switch with fire-proof function is required for people gradually; but regular tap does not generally have fire-proof function at present; existing miniature circuit breaker mainly adopts bimetal leaf, thereby its flexural deformation realization is cut off the electricity supply, but electric current is too large; generally all more than 10A; the overcurrent protection reaction is slow and without fire-proof function, special in the small household appliance of rated current below 1A, its defective is more obvious.
Applied for that the patent No. was a kind of rocker type fire preventing switch of ZL200920139768.1 before this case applicant; comprise housing, seesaw, protective circuit and tripping mechanism; several guard modes by protective circuit; tripping mechanism is threaded off move and the cut-out circuit, but above-mentioned fule shut-off valve is applicable to the single line over loading protected devices.
Summary of the invention
For the deficiencies in the prior art, on the disconnected basis of above-mentioned single line list, the present invention has developed again a kind of rational in infrastructure, safe and reliable moving seesaw-type double-connection double-insurance fule shut-off valve.
For achieving the above object, the present invention is achieved by the following technical solutions:
A kind of Rocker-type single-wire double-connection double-insurance switch comprises housing, seesaw assembly, electromagnetic mechanism, binding post, swinging plate, movable contact spring and the spring of moving, wherein
The seesaw assembly comprises seesaw and the sleeve pipe that connects as one with it, and seesaw is positioned at the top of housing, and sleeve pipe extend in the housing in the coil with electromagnetic mechanism;
Electromagnetic mechanism, comprise coil rack, coil and interior moving iron core thereof, moving iron core is located at interior can the moving up and down of sleeve pipe and is connected or separates with swinging plate under electromagnetic action, the coil rack top is fixing in the circuit board, and sleeve pipe and moving iron core and swinging plate connecting shaft arm all move in circuit board coil rack macropore;
Swinging plate which is provided with movable contact spring and static contact, swinging plate extend upward biside plate and hang on the fixed coil skeleton and the axle of seesaw assembly on;
The spring of moving, the symmetrical swinging plate both sides that are arranged at, every side spring one end of moving is fixed on the circuit board, and the other end is positioned at the swinging plate hunting range;
Four binding posts, one terminal are the wire upstream end, and to be arranged at respectively the swinging plate both sides be wire terminals to two-terminal in addition, and wire enters terminal by special flexible conductor connecting coil, and the coil other end is electrically connected on movable contact spring and the static contact on the swinging plate;
When moving iron core is connected with swinging plate, the seesaw action swings swinging plate to the left or to the right, moving contact on the swinging plate contacts with fixed contact on its left side or the binding post on right side and forms turning circuit, swinging plate was subject to power that the seesaw effect transmits and gave swinging plate power round about greater than the side spring of moving this moment, when moving iron core and swinging plate broke away from, swinging plate only was subjected to the move elastic force of spring of its both sides swinging plate is equilibrated between the fixed contact on the binding post and cuts off circuit.
Further, described seesaw is iron plate or magnetic holding plate, and the two ends of housing are provided with magnet with the seesaw adhesive sleeve pipe is swung to the left or to the right.
Further, also be provided with preloading spring and power adjustments screw in the described sleeve pipe, preloading spring is between moving iron core and power adjustments screw, during normal operation or during non operating state, moving iron core is subject to downward spring force and itself and swinging plate is pegged graft, and realizes the contact of dynamic and static contact.
Further, described binding post is four, and one for wire enters terminal, and two is wire terminals, and remaining one is spare terminal, and this spare terminal is arranged on the housing of opposite side that wire enters terminal.
Further, the described spring of moving is obliquely installed its top and is installed on the circuit board, and the bottom is with swinging plate both sides side contacts or separate to force in swinging plate.
Further, described two sub-medial surfaces of wire terminals respectively are provided with fixed contact, and the moving contact closure on this fixed contact and the movable contact spring is to form closed circuit.
Further, described sleeve pipe is copper pipe, and this copper pipe and seesaw are combined as a whole, and a location bearing pin runs through wherein, and two wing plates on coil rack top hang on the above-mentioned alignment pin and are positioned at the copper pipe both sides, and the alignment pin two ends are installed on the housing pedestal.
Further, described coil by short-circuited coil connect with temperature detect switch (TDS) after and the tripping coil parallel connection on coil rack.
Move spring and moving iron core acting in conjunction of utilization of the present invention makes itself and the fixed contact of both sides be connected or separate closure or the off-state that forms circuit in moving contact, when the electric current in the coil increases suddenly, thereby the moving iron core of the magnetic of its generation promotion moves upward and separates with swinging plate, and the cut-out circuit, the course of work is as follows: in circuit normal condition situation, because moving iron core is combined as a whole with swinging plate is coaxial, no matter presses the right or the left side of plastics seesaw, it is conducting that a lateral circuit is arranged all the time; When circuit is under overcurrent or the short circuit condition, the magnetic force that coil produces increases, and magnetic force will move iron core and extract from stir plate hole, move the effect of spring in both sides under, the moving contact on the swinging plate separates and deenergization with fixed contact on the housing; After fault is got rid of, press again the plastics seesaw, moving iron core injects again under the effect of preloading spring in the hole of swinging plate, and swinging plate swings with the plastics seesaw again and resumes work simultaneously.
The present invention compares with existing overcurrent protection switch; not only has fire prevention automatic trip function; and when circuit is short-circuited, during overcurrent overheat, dynamic and static contact can in time separately form off-position, has the advantages such as security performance height, working stability, long service life.
Description of drawings
Fig. 1 is the present invention's the first view;
Fig. 2 is the present invention's the second view;
Fig. 3 is third state schematic diagram of the present invention;
Fig. 4 is that the present invention uses view;
Fig. 5 is coil rack of the present invention, swinging plate and seesaw assembly constitutional diagram;
Fig. 6 is circuit theory diagrams of the present invention;
Fig. 7 is stereogram of the present invention.
Embodiment
The invention will be further described below in conjunction with accompanying drawing:
Embodiment: see also Fig. 1 to Fig. 4 and Fig. 7, a kind of Rocker-type single-wire double-connection switch innovative structure comprises housing 5, seesaw assembly, electromagnetic mechanism, binding post 6, swinging plate 11 and the spring 4,17 of moving, wherein
The seesaw assembly comprises seesaw 1 and the sleeve pipe 19 that connects as one with it, and seesaw 1 is positioned at the top of housing 1, and sleeve pipe 19 extend into the coil 16 interior motions of housing 1 interior electromagnetic mechanism;
Electromagnetic mechanism, comprise coil rack 14, coil 16 and interior moving iron core 12 thereof, moving iron core 12 is located at sleeve pipe 19 interior can moving up and down and is connected or separates with swinging plate 11 under electromagnetic action and preloading spring 13 effects, coil rack 14 tops are fixed on the circuit board 21, the connecting shaft arm of control circuit sleeve pipe 19, moving iron core 12, the spring 13 of moving, swinging plate 11 all moves in circuit board 21 and coil rack 14 macropores, and above-mentioned axle is for connecting bearing pin 18;
Swinging plate 11 which is provided with movable contact spring 10 and is conducting strip (copper sheet), and swinging plate 11 is connected with coil rack 14, swinging plate extend upward biside plate and hang on the fixed coil skeleton and the axle of seesaw assembly on;
The spring 4,17 of moving, symmetrical swinging plate 11 both sides that are arranged at, every side spring one end of moving is fixed on the circuit board, and the other end is positioned at the swinging plate hunting range;
Binding post 6 is at least three, and the one terminal is wire upstream end L
Enter, to be arranged at respectively the swinging plate both sides be wire terminals L to two-terminal in addition
Go out 1, L
Go out 2, wire enters terminal L
EnterBy electric wire (flexible cord) 15 connecting coils 16, coil 16 another ends are electrically connected to the movable contact spring 10 on the swinging plate 11;
When moving iron core 12 is connected with swinging plate 11 under normal condition, the seesaw action swings swinging plate to the left or to the right, moving contact on the swinging plate contacts with fixed contact on its left side or the binding post on right side and forms turning circuit, swinging plate was subject to power that the seesaw effect transmits and gave swinging plate power round about greater than the side spring of moving this moment, when moving iron core and swinging plate broke away from, swinging plate only was subjected to the move elastic force of spring of its both sides swinging plate is equilibrated between the fixed contact and cuts off circuit.
See also Fig. 1 to Fig. 3, seesaw 1 is iron plate or magnetic holding plate, and the two ends of housing are provided with magnet with the seesaw adhesive sleeve pipe is swung to the left or to the right.
See also Fig. 1 to Fig. 3, also be provided with preloading spring 13 and power adjustments screw 2 in the sleeve pipe 19, preloading spring is between moving iron core and power adjustments screw, during normal operation or during non operating state, moving iron core is subject to downward spring force and itself and swinging plate is pegged graft, realize the contact of dynamic and static contact, above-mentioned initial tension of spring prevents that the switch immediate current from increasing and the cut-out circuit.
See also Fig. 1 to Fig. 3, binding post 6 is four, and one enters terminal L for wire
Enter, two is the sub-L of wire terminals
Go out 1, L
Go out 2, remaining one is spare terminal L
Empty, this spare terminal is arranged on the housing of opposite side that wire enters terminal, and each binding post outer end is fixed on the housing by terminal screw 7.
See also Fig. 1 to Fig. 3, the spring 3,17 of moving is obliquely installed its top and is installed on the circuit board, and the bottom is with swinging plate 11 both sides side contacts or separate to force in swinging plate.
See also Fig. 1 to Fig. 3, two sub-L of wire terminals
Go out 1, L
Go out 2Medial surface respectively is provided with fixed contact 8, and moving contact 9 closures on this fixed contact and the movable contact spring 10 are to form closed circuit.
See also Fig. 1 to Fig. 3 and Fig. 5, sleeve pipe 19 is copper pipe or iron pipe, this copper pipe 19 is combined as a whole with seesaw 1, one location bearing pin 18 runs through wherein, two wing plates 141 on coil rack 14 tops, 142 hang above-mentioned alignment pin 18 iron pipe both sides, the alignment pin two ends are installed on the housing pedestal, and the mesopore that the biside plate 111,112 of swinging plate 11 passes coil rack 14 hangs on the above-mentioned alignment pin.
See also Fig. 2 and Fig. 6, coil 16 is around on the coil rack with tripping coil L1 parallel ring after by short-circuited coil L2 series connection temperature detect switch (TDS) KT1, and Fig. 6 is illustrated in and disconnects the RL1 state diagram, and this moment, KT1 closed type temperature switch was in off-state, and function of the present invention is as follows:
1, when circuit has short circuit or over current fault, short-circuited coil L2 produces the moving iron core of magnetic field pull-up immediately, it is separated with swinging plate and trips;
2, when temperature detect switch (TDS) KT1 disconnects, the RL load current is L1 (1000T) coil by being connected in parallel on the KT1 two ends all, and the magnetic field of producing makes the armature pulling separate with swinging plate, makes the K switch deenergization;
3, single-wire double-connection fule shut-off valve is used the hand toggle switch, no matter switch is pushed the K1 state or at the K2 state, all is subjected to the control of L1 and L2;
4, dual fail-safe: when little overcurrent is arranged, or switch self poor contact of contacts etc. self temperature is elevated to about 55 degree and makes simultaneously the K switch tripping operation by the temperature detect switch (TDS) tripping operation that is connected in parallel on L1, plays break protecting.
Move spring and moving iron core acting in conjunction of utilization of the present invention makes it be connected or separate closure or the off-state that forms circuit with fixed contact on the binding post of both sides in the movable contact spring moving contact on the swinging plate, when the electric current in the coil increases suddenly, thereby the magnetic induction force of its generation is inhaled moving iron core and is upwards separated with swinging plate, and the cut-out circuit, the course of work is as follows: in circuit normal condition situation, be combined as a whole owing to move iron core and stir, no matter press the right or the left side of plastics seesaw, it is conducting that a lateral circuit is arranged all the time; When circuit is under overcurrent or the short circuit condition, the magnetic force that coil produces increases, and magnetic force will move iron core and extract from the swinging plate hole slot, move the effect of spring in right side or left side under, the moving contact on the swinging plate separates and deenergization with fixed contact on the housing.After fault is got rid of, press again the plastics seesaw, moving iron core injects again under the effect of preloading spring in the hole of swinging plate, and swinging plate swings with the plastics seesaw again and resumes work simultaneously.
See also shown in Fig. 4 is another embodiment of the invention, by the bulb in the middle of two seesaw duplex fule shut-off valve M1 of the present invention and the M2 control, only have when two switches are connected circuit simultaneously, middle bulb is just bright, wherein bulb can be lighted or extinguish to any one switch, this control mode can be used the bulb of floor gap, bulb of switch control is installed under the upstairs house is simultaneously formed the duplex control circuit.
The present invention compares with existing ganged switch, not only has single line fire prevention automatic trip function, and the circuit related device is short-circuited, when surge, overcurrent overheat, dynamic and static contact can in time separately form off-position, has the advantages such as security performance height, working stability, long service life.
The above record, only for utilizing the embodiment of this origination techniques content, modification, variation that any those skilled in the art use this creation to do all belong to the claim that this creation is advocated, and are not limited to those disclosed embodiments.
Claims (8)
1. a Rocker-type single-wire double-connection double-insurance switch is characterized in that: comprise housing, seesaw assembly, electromagnetic mechanism, binding post, swinging plate and the spring of moving, wherein
The seesaw assembly comprises seesaw and the sleeve pipe that connects as one with it, and seesaw is positioned at the top of housing, and sleeve pipe extend on the coil of electromagnetic mechanism in the housing;
Electromagnetic mechanism comprises coil rack, coil and interior moving iron core thereof, and moving iron core is located at interior can the moving up and down of sleeve pipe and is connected or separates with swinging plate under the coil magneticaction, and the coil rack top is fixed on the housing with the seesaw assembly is coaxial;
Swinging plate which is provided with movable contact spring, swinging plate extend upward biside plate and hang on the fixed coil skeleton and the axle of seesaw assembly on;
The spring of moving, the symmetrical swinging plate both sides that are arranged at, every side spring one end of moving is fixed on the circuit board, and the other end is positioned at the swinging plate hunting range;
Four binding posts, one terminal are the wire upstream end, and to be arranged at respectively the swinging plate both sides be wire terminals to two-terminal in addition, and wire enters terminal by the connection wiring line circle, and the coil another end is electrically connected on the movable contact spring on the swinging plate;
When moving iron core is connected with swinging plate, the seesaw action swings swinging plate to the left or to the right, moving contact on the swinging plate contacts with fixed contact on its left side or the binding post on right side and forms turning circuit, swinging plate was subject to power that the seesaw effect transmits and gave swinging plate power round about greater than the side spring of moving this moment, when moving iron core and swinging plate broke away from, swinging plate only was subjected to the move elastic force of spring of its both sides swinging plate is equilibrated between the fixed contact on the binding post and cuts off circuit.
2. Rocker-type single-wire double-connection double-insurance switch according to claim 1, it is characterized in that: described seesaw is iron plate or magnetic holding plate, the two ends of housing are provided with magnet with the seesaw adhesive sleeve pipe is swung to the left or to the right.
3. Rocker-type single-wire double-connection double-insurance switch according to claim 1, it is characterized in that: also be provided with preloading spring and power adjustments screw in the described sleeve pipe, preloading spring is between moving iron core and power adjustments screw.
4. Rocker-type single-wire double-connection double-insurance switch according to claim 1, it is characterized in that: described binding post is four, one enters terminal for wire, two is wire terminals, remaining one is spare terminal, and this spare terminal is arranged on the housing of opposite side that wire enters terminal.
5. Rocker-type single-wire double-connection double-insurance switch according to claim 1, it is characterized in that: the described spring of moving is obliquely installed its top and is installed on the circuit board, and bottom and swinging plate both sides side contacts are to force in swinging plate.
6. according to claim 1 or 4 described Rocker-type single-wire double-connection double-insurance switchs, it is characterized in that: described two sub-medial surfaces of wire terminals respectively are provided with fixed contact, and the moving contact closure on this fixed contact and the movable contact spring is to form closed circuit.
7. Rocker-type single-wire double-connection double-insurance switch according to claim 1, it is characterized in that: described sleeve pipe is copper pipe, this copper pipe and seesaw are combined as a whole, one location bearing pin runs through wherein, two wing plates on coil rack top hang on the above-mentioned alignment pin and are positioned at the copper pipe both sides, and the alignment pin two ends are installed on the pedestal of case top lid.
8. Rocker-type single-wire double-connection double-insurance switch according to claim 1 is characterized in that: after described coil is connected with temperature detect switch (TDS) by short-circuited coil and the tripping coil parallel connection on coil rack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010535306 CN101980351B (en) | 2010-11-04 | 2010-11-04 | Rocker-type single-wire double-connection double-insurance switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010535306 CN101980351B (en) | 2010-11-04 | 2010-11-04 | Rocker-type single-wire double-connection double-insurance switch |
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| CN101980351A CN101980351A (en) | 2011-02-23 |
| CN101980351B true CN101980351B (en) | 2013-01-09 |
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| CN 201010535306 Active CN101980351B (en) | 2010-11-04 | 2010-11-04 | Rocker-type single-wire double-connection double-insurance switch |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102496493A (en) * | 2011-12-15 | 2012-06-13 | 赵海玉 | Manual-operation and electric-control dual-purpose switch and control method thereof |
| CN103595020B (en) * | 2013-10-30 | 2017-05-03 | 葛剑优 | Earth fault breaker with safe display function |
| CN103594274B (en) * | 2013-10-30 | 2015-12-09 | 葛剑优 | A kind of single-pole double-throw change-over switch |
| CN104979794B (en) * | 2015-07-15 | 2017-11-28 | 乐清市韦尔软磁电子科技有限公司 | Household electrical appliance protection switch |
| CN105244240B (en) * | 2015-11-12 | 2017-08-11 | 北京子清智创科技有限公司 | A kind of electromagnetic switch of manual-automatic integrated |
| CN106711929B (en) * | 2017-01-22 | 2018-11-02 | 陆川县长隆电子有限公司 | A kind of inductance protector |
| CN112203452B (en) * | 2020-09-16 | 2021-09-24 | 嘉兴市松茂电子有限公司 | Data collection protection device with over-temperature protection function |
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| GB138867A (en) * | 1919-02-08 | 1921-06-30 | Charles Maier | Improvements in or relating to electro-magnetic control arrangements |
| CN2488158Y (en) * | 2001-02-01 | 2002-04-24 | 冯安琳 | Electromagnetic driven seesaw type switching device |
| CN101620959A (en) * | 2009-08-05 | 2010-01-06 | 厦门振泰成科技有限公司 | Rocker type fire preventing switch |
| CN201845725U (en) * | 2010-11-04 | 2011-05-25 | 厦门振泰成科技有限公司 | Seesaw-type single-wire duplex double-insurance switch |
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- 2010-11-04 CN CN 201010535306 patent/CN101980351B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB138867A (en) * | 1919-02-08 | 1921-06-30 | Charles Maier | Improvements in or relating to electro-magnetic control arrangements |
| CN2488158Y (en) * | 2001-02-01 | 2002-04-24 | 冯安琳 | Electromagnetic driven seesaw type switching device |
| CN101620959A (en) * | 2009-08-05 | 2010-01-06 | 厦门振泰成科技有限公司 | Rocker type fire preventing switch |
| CN201845725U (en) * | 2010-11-04 | 2011-05-25 | 厦门振泰成科技有限公司 | Seesaw-type single-wire duplex double-insurance switch |
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| CN101980351A (en) | 2011-02-23 |
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