CN102426988A - Adjustable electromagnetic power supply switch - Google Patents
Adjustable electromagnetic power supply switch Download PDFInfo
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- CN102426988A CN102426988A CN2011102656435A CN201110265643A CN102426988A CN 102426988 A CN102426988 A CN 102426988A CN 2011102656435 A CN2011102656435 A CN 2011102656435A CN 201110265643 A CN201110265643 A CN 201110265643A CN 102426988 A CN102426988 A CN 102426988A
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- iron core
- assembly
- mains switch
- adjustable
- power supply
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Abstract
The invention relates to the technical field of automobile power supply switches, disclosing an adjustable electromagnetic power supply switch. The adjustable electromagnetic power supply switch comprises an upper casing (1), a lower casing (18), an iron core (13), a movable contact spring assembly (12), a static contact spring assembly (22), a coil rack assembly (14), an enamelled wire (15) and the like, wherein magnetic conduction inner casings (17) are additionally arranged on the outer sides of the iron core (13), the coil rack assembly (14) and the enamelled wire (15); the inside diameters of the magnetic conduction inner casings (17) are the same as the excircle diameter of the coil rack assembly (14); the upper casing (1) and the lower casing (18) are made of plastic; main contacts are respectively made of composite silver material; and adjusting screws (6) are additionally arranged at the top of the iron core. According to the adjustable electromagnetic power supply switch disclosed by the invention, the problem of overlow or overhigh pull-in voltage is solved; and the phenomenon that the switch is burnt down due to short circuit caused by contact of a spanner and the upper casing when the switch is replaced, can be also avoided. The adjustable electromagnetic power supply switch disclosed by the invention has the advantages of adjustable stroke, controllable clearance, cost saving, convenience for operation, safety and reliability.
Description
Technical field
The present invention relates to a kind of electromagnetism power switch device, especially a kind of adjustable electromagnetism mains switch that is applicable to automobile power source.
Background technology
General electromagnetism mains switch comprises stationary parts and movable member; Wherein, Stationary parts mainly comprises coil, magnetic conductive board and bobbin, and movable member mainly comprises armature and the contact of linking with armature, and armature is arranged in the bobbin of stationary part; The outer periphery of bobbin has coil, and an end of bobbin connects magnetic conductive board.When giving electricity to coil or cutting off the power supply, by the armature of the action of a magnetic field in the middle of bobbin that coil produces, make armature do the linear telescopic motion, thereby drive the folding of the contact that is connected with armature, accomplish switching function.The existing power supply switch is being easy to generate electromagnetic interference; Like application number be: 200920086069, name is called the Chinese utility model patent of " electromagnetic power-supply general switch ", is employed in the iron-clad body and has set up plastic insulation covering; Part is set up in inside; Make housing increase inevitably, volume of switch increases, and is difficult for assembling.Like application number be: 200820163941.7, name is called the utility model patent of " electromagnetic type automobile battery main switch ", and in the assembling process, stroke is difficult to control, and pick-up voltage and off voltage directly receive the influence of stroke.The mains switch of prior art uses the sealing ring assembling, makes structure interval have error, thereby influences the size of electromagnetic force, often exists assembling back pick-up voltage to cross problems such as low or high excessively.
Summary of the invention
The purpose of this invention is to provide a kind of adjustable electromagnetism mains switch, set up the magnetic conduction inner housing, can increase permeability, reduce cost; Adopt plastic casing, avoid short circuit to burn the phenomenon of switch, fail safe is better; Range-adjustable control realizes the adjustment of adhesive and off voltage.
In order to realize above-mentioned purpose of design, the scheme that the present invention adopts is following:
A kind of adjustable electromagnetism mains switch; Comprise upper shell, lower house, sealing ring, bakelite support, movable contact spring assembly, static contact assembly, the bakelite support is arranged between upper shell, the lower house, and sealing ring is arranged between upper shell and the bakelite support; The bakelite carriage center is provided with iron core; Iron core is peripheral, the below of bakelite support is provided with bobbin assembly and enamelled wire, also comprises the magnetic conduction inner housing, and iron core, bobbin assembly and enamelled wire are enclosed in its inside.Can increase permeability, guaranteed performance dwindles 2/3 than existing housing, and cost also reduces nearly 2/3.In addition, magnetic conduction inner housing lower surface and gap, iron core lower surface can guarantee, thereby can effectively guarantee the size of electromagnetism the suction-combining force.
Preferably, the static contact assembly is fixedly connected with the bakelite support.Guarantee the position stability of static contact assembly.
Preferably, the movable contact spring assembly is fixedly connected through the bakelite packing ring with iron core, and is arranged on the top of static contact assembly, when iron core is taken exercises, can drive the movable contact spring assembly and move up and down, thereby realize and the contacting and separate of static contact assembly.
Preferably, bakelite packing ring top, be provided with the adjustment packing ring around the outside of iron core.
Preferably, adjustment packing ring top, be provided with upper run spring and spring base thereof around the outside of iron core, spring base top and on iron core, be fixed with circlip for shaft, circlip for shaft is used for fixing spring base, and spring base is used to install the upper run spring.
Preferably, the top of iron core is provided with adjustment screw, and adjustment screw is fixed through the location-plate in the reference column and the outside thereof.Through the adjustment adjustment screw, can adjust the upper-lower position of iron core in magnetic field, realize the adjustment of adhesive and off voltage, it is reached in the critical field.
Preferably, upper shell, lower house adopt plastic material.Because the integral body of vehicle is ground connection, if arbitrary place has short circuit will cause whole and car short circuit in the switch, plastic casing can electric isolating switch in external circuit, avoid occurring the phenomenon that switch is burnt in short circuit.And when changing switch, generally all be to tear open with spanner, the spanner that in the process of tearing open, twists is easy to collide with upper shell, adopts plastic casing can avoid short circuit.
Preferably, the main contacts of static contact assembly and movable contact spring assembly all adopts compound ag material to process.Because the supply current on the general vehicle is 100 A-200A, main contacts all adopts compound ag material, can avoid two pitting of contact and the inefficacy of mains switch.
Preferably, the iron core bottom is provided with the bottom run spring.
Preferably, the static contact assembly connects two connection bolts respectively through two conducting strips, to connect external power source through two connection bolts.
Preferably, upper shell, lower house are fastenedly connected through a plurality of trip bolts, thereby guarantee that upper shell is connected with the tight of lower house, and and the insulation of external environment condition.
Preferably, the two ends of bobbin assembly connect power cathode E and positive source B1, B2 respectively, and after powering up, the bobbin assembly generates an electromagnetic field.
Preferably, iron core moves downward under the effect of electromagnetic force, overcomes the spring force and the adhesive of magnetic conduction inner housing of upper run spring, moves downward thereby drive the movable contact spring assembly, contacts with the static contact assembly.
Preferably, two connection bolts are arranged on the outside of upper shell, lower house.
Preferably, the bottom run spring is a back-moving spring.Can be through selecting the line footpath and the number of turns of rational enamelled wire, the stroke of control spring and spring force.
Preferably, the internal diameter of said magnetic conduction inner housing is identical with the outside diameter of said bobbin assembly.
Adjustable electromagnetism mains switch of the present invention comprises the combination in any of above various features.
Beneficial effect of the present invention is:
1. set up the magnetic conduction inner housing in enclosure interior, be directly adjacent to coil, can increase permeability, on the basis of guaranteed performance, compare with existing housing and to dwindle 2/3, cost reduces nearly 2/3;
2. magnetic conduction inner housing lower surface and gap, iron core lower surface can guarantee, thereby can effectively guarantee the size of electromagnetism the suction-combining force, have the controlled advantage in gap;
3. with the metal shell of available technology adopting, change the employing plastic casing into, cost reduces, and weight saving is avoided the phenomenon that switch is burnt in short circuit occurring, prevents that the phenomenon of short circuit appears in spanner and shell, has more superior security performance when changing switch;
4. adopt range-adjustable control, regulate bolt through adjustment, the upper-lower position of adjustment iron core in magnetic field realized the adjustment of adhesive and off voltage, and it is reached in the critical field.Realize Stroke Control, be convenient to operation, easy to use.
Description of drawings
Fig. 1 is the internal structure sketch map according to a preferred embodiment of a kind of adjustable electromagnetism mains switch of the present invention.
Fig. 2 is the outside vertical view according to a preferred embodiment of a kind of adjustable electromagnetism mains switch of the present invention.
Fig. 3 is the external side view according to a preferred embodiment of a kind of adjustable electromagnetism mains switch of the present invention.
Fig. 4 is the circuit theory diagrams according to a preferred embodiment of a kind of adjustable electromagnetism mains switch of the present invention.
Reference numeral is: 1, upper shell; 2, sealing ring (2); 3, bakelite support; 4, location-plate; 5, reference column; 6, adjustment screw; 7, circlip for shaft; 8, spring base; 9, upper run spring; 10, adjustment packing ring; 11, bakelite packing ring; 12, movable contact spring assembly; 13, iron core; 14, bobbin assembly; 15, enamelled wire; 16, bottom run spring; 17, magnetic conduction inner housing; 18, lower house; 19, connection bolt; 20, trip bolt; 21, main contacts; 22, static contact assembly; 23, conducting strip.
Embodiment
Below in conjunction with accompanying drawing content of the present invention is described, following description only is exemplary and indicative, should any restriction not arranged to protection scope of the present invention.
A kind of adjustable electromagnetism mains switch; As shown in Figure 1; Comprise upper shell 1, lower house 18, sealing ring 2, bakelite support 3, movable contact spring assembly 12, static contact assembly 22, bakelite support 3 is arranged between upper shell 1, the lower house 18, and sealing ring 2 is arranged between upper shell 1 and the bakelite support 3; Bakelite support 3 centers are provided with iron core 13; The below of iron core 13 peripheries, bakelite support 3 is provided with bobbin assembly 14 and enamelled wire 15, also comprises magnetic conduction inner housing 17, and iron core 13, bobbin assembly 14 and enamelled wire 15 are enclosed in its inside.The internal diameter of said magnetic conduction inner housing 17 is identical with the outside diameter of said bobbin assembly 14.Can increase permeability, guaranteed performance dwindles 2/3 than existing housing, and cost also reduces nearly 2/3.In addition, magnetic conduction inner housing lower surface and gap, iron core lower surface can guarantee, thereby can effectively guarantee the size of electromagnetism the suction-combining force.
Movable contact spring assembly 12 is fixedly connected through bakelite packing ring 11 with iron core 13, and is arranged on the top of static contact assembly 22, when iron core 13 is taken exercises, can drive movable contact spring assembly 12 and move up and down, thereby realize and the contacting and separate of static contact assembly 22.
Bakelite packing ring 11 tops, be provided with adjustment packing ring 10 around the outside of iron core 13.
The top of iron core 13 is provided with adjustment screw 6, and adjustment screw 6 is fixed through the location-plate 4 in the reference column 5 and the outside thereof.Through adjustment adjustment screw 6, can adjust the upper-lower position of iron core 13 in magnetic field, realize the adjustment of adhesive and off voltage, it is reached in the critical field.
The main contacts of static contact assembly 22 and movable contact spring assembly 12 all adopts compound ag material to process.Because the supply current on the general vehicle is 100 A-200A, main contacts all adopts compound ag material, can avoid two pitting of contact and the inefficacy of mains switch.
Like Fig. 2, shown in Figure 3, static contact assembly 22 connects two connection bolts 19 respectively through two conducting strips 23, to connect external power source through two connection bolts 19 that are arranged on upper shell 1, lower house 18 outsides.
Like Fig. 2, shown in Figure 3, upper shell 1, lower house 18 are fastenedly connected through a plurality of trip bolts 20, thereby guarantee that upper shell 1 is connected with the tight of lower house 18, and and the insulation of external environment condition.
As shown in Figure 4, the two ends of bobbin assembly 14 connect power cathode E and positive source B1, B2 respectively, and after powering up, bobbin assembly 14 generates an electromagnetic field.Iron core 13 moves downward under the effect of electromagnetic force, overcomes the spring force and 17 adhesives of magnetic conduction inner housing of upper run spring 9, moves downward thereby drive movable contact spring assembly 12, contacts with static contact assembly 22.
Adjustable electromagnetism mains switch of the present invention comprises the combination in any of above various features.
Operation principle:
As shown in Figure 4, an end of bobbin assembly 14 connects positive source B1, B2, and the other end connects power cathode E.
According to QC/T427-1999 " automobile electrical source master switch technical conditions ", the pick-up voltage≤15V of coil, release voltage 1 ~ 6.5V, operating current≤0.5A.After powering up, bobbin assembly 14 generates an electromagnetic field; Thereby formed electromagnetic force; Iron core 13 overcomes spring force and 17 adhesives of magnetic conduction inner housing under the effect of electromagnetic force, iron core is in downward course of action; The moving contact of movable contact spring assembly 12 contacts with the fixed contact of static contact assembly 22, thereby is the car load power supply.For the conformance with standard requirement, can select rational enamelled wire line footpath and number of turns, control the requirement of the stroke and the spring force of two springs.
Embodiment recited above describes preferred implementation of the present invention; Be not that the scope of the invention is limited; Design under the spiritual prerequisite not breaking away from the present invention; Various distortion and improvement that the common engineers and technicians in this area make technical scheme of the present invention all should fall in the definite protection range of claims of the present invention.
Those skilled in the art are not difficult to find out equally; The present invention is improvements over the prior art; It is the combination of these key elements of the prior art being carried out for the technical problem that exists in the solution prior art; This combination a large amount of creative work that condensed is the crystallization of a large amount of theoretical researches of inventor and scientific experiment.Before not reading the present invention, those skilled in the art obviously are not easy to expect each scheme of the present invention, and after having read this specification, those skilled in the art needn't pay creative work again can realize basic technical scheme of the present invention.
Claims (10)
1. adjustable electromagnetism mains switch; Comprise upper shell (1), lower house (18), sealing ring (2), bakelite support (3), movable contact spring assembly (12), static contact assembly (22); Said bakelite support (3) is arranged between said upper shell (1), the lower house (18); Said sealing ring (2) is arranged between said upper shell (1) and the said bakelite support (3); Said bakelite support (3) center is provided with said iron core (13), and said iron core (13) is peripheral, the below of said bakelite support (3) is provided with bobbin assembly (14) and enamelled wire (15), it is characterized in that; Also comprise magnetic conduction inner housing (17), and said iron core (13), bobbin assembly (14) and enamelled wire (15) are enclosed in its inside.
2. adjustable electromagnetism mains switch as claimed in claim 1 is characterized in that, said static contact assembly (22) is fixedly connected with said bakelite support (3).
3. adjustable electromagnetism mains switch as claimed in claim 1 is characterized in that, said movable contact spring assembly (12) is fixedly connected through bakelite packing ring (11) with said iron core (13), and is arranged on the top of said static contact assembly (22).
4. adjustable electromagnetism mains switch as claimed in claim 3 is characterized in that, said bakelite packing ring (11) top, is provided with adjustment packing ring (10) around the outside of said iron core (13).
5. adjustable electromagnetism mains switch as claimed in claim 4; It is characterized in that; Said adjustment packing ring (10) top, be provided with upper run spring (9) and spring base (8) thereof, said spring base (8) top and on said iron core (13), be fixed with circlip for shaft (7) around the outside of said iron core (13).
6. adjustable electromagnetism mains switch as claimed in claim 1 is characterized in that the top of said iron core (13) is provided with adjustment screw (6), and said adjustment screw (6) is fixed through the location-plate (4) in the reference column (5) and the outside thereof.
7. adjustable electromagnetism mains switch as claimed in claim 1 is characterized in that, said upper shell (1), lower house (18) adopt plastic material.
8. adjustable electromagnetism mains switch as claimed in claim 1 is characterized in that, the main contacts of said static contact assembly (22) and said movable contact spring assembly (12) all adopts compound ag material to process.
9. adjustable electromagnetism mains switch as claimed in claim 1 is characterized in that, said iron core (13) bottom is provided with bottom run spring (16).
10. adjustable electromagnetism mains switch as claimed in claim 1 is characterized in that said static contact assembly (22) connects two connection bolts (19) respectively through two conducting strips (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102656435A CN102426988A (en) | 2011-09-08 | 2011-09-08 | Adjustable electromagnetic power supply switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102656435A CN102426988A (en) | 2011-09-08 | 2011-09-08 | Adjustable electromagnetic power supply switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102426988A true CN102426988A (en) | 2012-04-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102656435A Pending CN102426988A (en) | 2011-09-08 | 2011-09-08 | Adjustable electromagnetic power supply switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102426988A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103247479A (en) * | 2013-04-18 | 2013-08-14 | 戴丁志 | Electromagnetic type power master switch |
| CN103268840A (en) * | 2013-04-18 | 2013-08-28 | 戴丁志 | Electromagnetic power main switch |
| CN109285728A (en) * | 2018-10-31 | 2019-01-29 | 瑞立集团瑞安汽车零部件有限公司 | Electromagnetic power source switch |
| CN113851338A (en) * | 2021-09-23 | 2021-12-28 | 加百裕(南通)电子有限公司 | Electromagnetic switch device with adjustable force |
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| JPH0887940A (en) * | 1994-09-19 | 1996-04-02 | Hitachi Ltd | Electromagnetic contactor |
| CN2261082Y (en) * | 1996-02-09 | 1997-08-27 | 天津市第二继电器厂 | Solenoid type dc. contactor |
| CN2523012Y (en) * | 2002-02-07 | 2002-11-27 | 黎斌 | Small-sized D.C. electromagnetic on-off device |
| CN201247737Y (en) * | 2008-09-03 | 2009-05-27 | 浙江正泰汽车零部件有限公司 | Electromagnetic automobile power supply main switch |
| CN201514899U (en) * | 2009-08-13 | 2010-06-23 | 芜湖德威汽车电机有限公司 | Intelligent starting relay |
| CN202196706U (en) * | 2011-09-08 | 2012-04-18 | 瑞立集团瑞安汽车零部件有限公司 | Adjustable electromagnetic power supply switch |
-
2011
- 2011-09-08 CN CN2011102656435A patent/CN102426988A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0887940A (en) * | 1994-09-19 | 1996-04-02 | Hitachi Ltd | Electromagnetic contactor |
| CN2261082Y (en) * | 1996-02-09 | 1997-08-27 | 天津市第二继电器厂 | Solenoid type dc. contactor |
| CN2523012Y (en) * | 2002-02-07 | 2002-11-27 | 黎斌 | Small-sized D.C. electromagnetic on-off device |
| CN201247737Y (en) * | 2008-09-03 | 2009-05-27 | 浙江正泰汽车零部件有限公司 | Electromagnetic automobile power supply main switch |
| CN201514899U (en) * | 2009-08-13 | 2010-06-23 | 芜湖德威汽车电机有限公司 | Intelligent starting relay |
| CN202196706U (en) * | 2011-09-08 | 2012-04-18 | 瑞立集团瑞安汽车零部件有限公司 | Adjustable electromagnetic power supply switch |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103247479A (en) * | 2013-04-18 | 2013-08-14 | 戴丁志 | Electromagnetic type power master switch |
| CN103268840A (en) * | 2013-04-18 | 2013-08-28 | 戴丁志 | Electromagnetic power main switch |
| CN109285728A (en) * | 2018-10-31 | 2019-01-29 | 瑞立集团瑞安汽车零部件有限公司 | Electromagnetic power source switch |
| CN109285728B (en) * | 2018-10-31 | 2023-09-19 | 瑞立集团瑞安汽车零部件有限公司 | Electromagnetic power switch |
| CN113851338A (en) * | 2021-09-23 | 2021-12-28 | 加百裕(南通)电子有限公司 | Electromagnetic switch device with adjustable force |
| CN113851338B (en) * | 2021-09-23 | 2024-04-05 | 加百裕(南通)电子有限公司 | Electromagnetic switch device with adjustable force |
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Application publication date: 20120425 |