CN103839730B - The micro-current switch of a kind of overturning-preventing - Google Patents
The micro-current switch of a kind of overturning-preventing Download PDFInfo
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- CN103839730B CN103839730B CN201410115040.0A CN201410115040A CN103839730B CN 103839730 B CN103839730 B CN 103839730B CN 201410115040 A CN201410115040 A CN 201410115040A CN 103839730 B CN103839730 B CN 103839730B
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Abstract
The invention discloses the micro-current switch of a kind of overturning-preventing, belong to technical field of switch control.The micro-current switch of a kind of overturning-preventing of the present invention, comprise housing and gravitation ball, also comprise tongue tube and tongue tube trigger equipment, described tongue tube is arranged at the bottom of housing, described gravitation ball is arranged at the top of housing, and gravitation ball is pressed on tongue tube trigger equipment, triggers tongue tube when run-off the straight and be switched on or switched off; Described tongue tube trigger equipment comprises flexible member, magnetic element and ejector sleeve, and described flexible member, magnetic element and ejector sleeve are sheathed on tongue tube from lower to upper successively, and the top of described ejector sleeve arranges gravitation ball; Described housing comprises shell and base, and described shell and base are removable connection, and described tongue tube is vertically fixed on base.The present invention utilizes more advanced tongue tube as switch module, substantially prolongs the useful life of the micro-current switch of overturning-preventing; Meanwhile, improve the sensitivity of the micro-current switch of overturning-preventing.
Description
Technical field
The present invention relates to a kind of switch, more particularly, relate to the micro-current switch of a kind of overturning-preventing.
Background technology
Micro-electric current is generally produced in equipment self-operating without direct power supply by friction, thermal source, light source etc.; and then control this equipment with this micro-electric current and make it normal operation; this electric current general is at below 10mA; and under safety specifications; for preventing this equipment from toppling over and certain annex (as: magnetic switch etc.) adopting this micro-electric current to come in control appliance, this equipment downtime is run.
The disconnection controlling micro-electric current with connect, traditional switch uses " sensitive switch ", as China Patent No. ZL201320127817.6, authorized announcement date is on September 4th, 2013, invention and created name is: a kind of anti-dumping switch, this anti-dumping switch comprises housing and the microswitch component that arranges in housing and anti-tipping mechanism, and anti-tipping mechanism comprises a gravitation ball, and this gravitation ball is arranged in the epicoele of housing inner funnel shape, microswitch component is positioned at housing lower chamber, and it comprises swing arm, button, return unit, active contacting plate, support and normal beginning, swing arm one end and hull outside hinged, swing arm another end is movable end, one side of the contiguous hinged end of swing arm touches mutually with the button of sensitive switch group, swing arm movable end is positioned at the bottom of housing epicoele funnel, button lower end contacts with return unit, return unit two ends are connected with support and active contacting plate respectively, active contacting plate one end is articulated with on support, the other end is being provided with the contact that between Chang Kaiduan with insulation projection, instantaneous changing-over is communicated with, have reliable and stable, low cost and other advantages, but " sensitive switch " also exists very large defect: the impact of the frequency of exposure that (1) is opened and closed, far can not reach user's requirement of realistic meaning, along with the increase of frequency of exposure, switch internal (reed, between working of plastics and sheet metal) produce small rubbish, and form resistance to making Weak current and can't pass contact, equipment cannot be run, (2) affect directly etching relevant contacts by external environments such as logistics, storage, transports, particularly marine transportation, make it to lose micro-electric current by function.The domestic producer had even solves with Gold-plating technique the problem that contact produces resistance, substantially increases manufacture difficulty and manufacturing cost.
Summary of the invention
1. invent the technical problem that will solve
The object of the invention is to overcome that existing anti-dumping switch useful life is short, contact is perishable or laying dust and produce the deficiency of resistance and then desensitization, there is provided a kind of overturning-preventing micro-current switch, adopt technical scheme of the present invention, utilize more advanced tongue tube as switch module, its opening and closing number of times is much larger than sensitive switch, and contact is sealed in inert gas filled glass tube, avoid contact erosion or laying dust, substantially prolongs the useful life of the micro-current switch of overturning-preventing; Meanwhile, improve the sensitivity of the micro-current switch of overturning-preventing, the overturning-preventing being particularly suitable for outdoor gas heating furnace, coal gas oven, warm-air drier, electric fan and electric heating installation using oil as medium household electrical appliance uses.
2. technical scheme
For achieving the above object, technical scheme provided by the invention is:
The micro-current switch of a kind of overturning-preventing of the present invention, comprise housing and gravitation ball, also comprise tongue tube and tongue tube trigger equipment, described tongue tube is arranged at the bottom of housing, described gravitation ball is arranged at the top of housing, and gravitation ball is pressed on tongue tube trigger equipment, triggers tongue tube when run-off the straight and be switched on or switched off.
Improve further as the present invention, described tongue tube trigger equipment comprises flexible member, magnetic element and ejector sleeve, and described flexible member, magnetic element and ejector sleeve are sheathed on tongue tube from lower to upper successively, and the top of described ejector sleeve arranges gravitation ball.
Improve further as the present invention, described housing comprises shell and base, and described shell and base are removable connection, and described tongue tube is vertically fixed on base.
Improve further as the present invention, described flexible member is spring, and described spring housing is located on tongue tube, and the bottom of spring contacts with base.
Improve further as the present invention, described magnetic element is magnet ring, and described magnet ring is sheathed on tongue tube, and magnet ring contacts with the top of spring.
Improve further as the present invention, described tongue tube is tongue tube open in usual or normally closed type tongue tube.
Improve further as the present invention, the material of described housing is PBT insulating material.
Improve further as the present invention, described magnet ring is permanent magnet ring.
Improve further as the present invention, described spring is made up of stainless steel wire.
Improve further as the present invention, described gravitation ball is chrome faced steel ball.
3. beneficial effect
Adopt technical scheme provided by the invention, compared with existing known technology, there is following remarkable result:
(1) the micro-current switch of a kind of overturning-preventing of the present invention, its tongue tube is arranged at the bottom of housing, gravitation ball is arranged at the top of housing, and gravitation ball is pressed on tongue tube trigger equipment, triggers tongue tube when run-off the straight and be switched on or switched off, utilize more advanced tongue tube as switch module, its opening and closing number of times is much larger than sensitive switch, and contact is sealed in inert gas filled glass tube, avoid contact erosion or laying dust, substantially prolongs the useful life of the micro-current switch of overturning-preventing; Meanwhile, improve the sensitivity of the micro-current switch of overturning-preventing, the overturning-preventing being particularly suitable for outdoor gas heating furnace, coal gas oven, warm-air drier, electric fan and electric heating installation using oil as medium household electrical appliance uses;
(2) the micro-current switch of a kind of overturning-preventing of the present invention, its tongue tube trigger equipment comprises flexible member, magnetic element and ejector sleeve, flexible member, magnetic element and ejector sleeve are sheathed on tongue tube from lower to upper successively, the top of ejector sleeve arranges gravitation ball, wherein, flexible member is spring, spring housing is located on tongue tube, and the bottom of spring contacts with base, magnetic element is magnet ring, magnet ring is sheathed on tongue tube, and magnet ring contacts with the top of spring, adopt above-mentioned tongue tube trigger equipment, magnetic Ring current distribution magnetic force makes switch sensitivity better, stroke is shorter, just there is action inclination angle >=20 degree, and the large I in this inclination angle is according to spring and the adjustment of gravitation ball quality size, meanwhile, gravitation ball all-direction movement, without dead angle, can be inclined to the execution of any direction,
(3) the micro-current switch of a kind of overturning-preventing of the present invention, its housing comprises shell and base, shell and base are removable connection, tongue tube is vertically fixed on base, shell and base make simple, easy for installation on base of tongue tube, and shell and base dismounting convenient, be convenient to assembling and maintenance;
(4) the micro-current switch of a kind of overturning-preventing of the present invention, its tongue tube is tongue tube open in usual or normally closed type tongue tube, can be used for various different circuit occasion, applied widely;
(5) the micro-current switch of a kind of overturning-preventing of the present invention, the material of its housing is PBT insulating material, also can keep stable electrical property, have higher intensity, fatigue durability simultaneously under the environment of humidity, high temperature;
(6) the micro-current switch of a kind of overturning-preventing of the present invention, its magnet ring is permanent magnet ring, and spring is made up of stainless steel wire, and gravitation ball is chrome faced steel ball, and corrosion resistance is strong, long service life;
(7) the micro-current switch of a kind of overturning-preventing of the present invention, structure is simple, material price is cheap, it is easy, easy to assembly to make, be quick on the draw, good and cheap, is a kind of safety device be worth of widely use.
Accompanying drawing explanation
Fig. 1 is the structural representation of the micro-current switch of a kind of overturning-preventing of the present invention.
Label declaration in schematic diagram:
1, electric mortiser sheet; 2, base; 3, spring; 4, magnet ring; 5, ejector sleeve; 6, tongue tube; 7, gravitation ball; 8, shell.
Embodiment
For understanding content of the present invention further, the present invention is described in detail in conjunction with the accompanying drawings and embodiments.
Embodiment
Composition graphs 1, the micro-current switch of a kind of overturning-preventing of the present embodiment, comprise housing, gravitation ball 7, tongue tube 6 and tongue tube trigger equipment, tongue tube 6 is arranged at the bottom of housing, gravitation ball 7 is arranged at the top of housing, and gravitation ball 7 is pressed on tongue tube trigger equipment, trigger tongue tube 6 to be switched on or switched off when run-off the straight, thus control micro-current turns ON or disconnection, utilize more advanced tongue tube 6 as switch module, its opening and closing number of times is much larger than sensitive switch, data show and reach more than several ten million times, and contact is sealed in inert gas filled glass tube, completely isolated with the external world, avoid contact erosion or laying dust, substantially prolongs the useful life of the micro-current switch of overturning-preventing.
Tongue tube trigger equipment in the present embodiment comprises flexible member, magnetic element and ejector sleeve 5, flexible member, magnetic element and ejector sleeve 5 are sheathed on tongue tube 6 from lower to upper successively, the top of ejector sleeve 5 arranges gravitation ball 7, wherein, flexible member is spring 3, spring 3 is sheathed on tongue tube 6, and the bottom of spring 3 contacts with base 2, magnetic element is magnet ring 4, magnet ring 4 is sheathed on tongue tube 6, and magnet ring 4 contacts with the top of spring 3, adopt above-mentioned tongue tube trigger equipment, the center magnetic force of magnet ring 4 makes switch sensitivity better, stroke is shorter, just there is action inclination angle >=20 degree, and the large I in this inclination angle adjusts according to the quality size of the elasticity of spring 3 and gravitation ball 7, meanwhile, gravitation ball 7 all-direction movement, without dead angle, can be inclined to the execution of any direction, and the overturning-preventing being particularly suitable for outdoor gas heating furnace, coal gas oven, warm-air drier, electric fan and electric heating installation using oil as medium household electrical appliance uses.
Housing in the present embodiment comprises shell 8 and base 2, shell 8 is connected for removable with base 2, tongue tube 6 is vertically fixed on base 2, the material of housing is PBT(formal name used at school: polybutylene terephthalate (PBT)) insulating material, shell 8 and base 2 make simply, easy for installation on base 2 of tongue tube 6, and shell 8 and base 2 dismounting convenient, be convenient to assembling and maintenance, select PBT insulating material as the making material of shell 8 and base 2, make by Shooting Technique, easy to process, in humidity, also stable electrical property can be kept under the environment of high temperature, there is higher intensity simultaneously, fatigue durability.Tongue tube 6 is tongue tube open in usual or normally closed type tongue tube, can be used for various different circuit occasion, applied widely.In addition, the magnet ring 4 in the present embodiment is permanent magnet ring, and spring is made up of stainless steel wire, and gravitation ball 7 is chrome faced steel ball, and corrosion resistance is strong, long service life.
The micro-current switch of a kind of overturning-preventing of the present embodiment, structure is simple, material price is cheap, it is easy, easy to assembly to make, be quick on the draw, good and cheap, is a kind of safety device be worth of widely use.During assembling, first tongue tube 6 at right angle setting is fixed on the base 2 with prior injection formed, and draw two electric mortiser sheets 1 of tongue tube 6, for being connected with external control circuit; Then spring 3, magnet ring 4 and ejector sleeve 5 are sheathed on tongue tube 6 successively, make magnet ring 4 be positioned near tongue tube 6 inner contact; Finally gravitation ball 7 is positioned over above ejector sleeve 5, and shell 8 is connected fastening with base 2, make gravitation ball 7, tongue tube 6 and tongue tube trigger equipment be in enclosure interior, namely complete the assembling of the micro-current switch of overturning-preventing.During use; the micro-current switch of a kind of overturning-preventing of the present embodiment is installed vertically on the equipment such as outdoor gas heating furnace, coal gas oven, warm-air drier, electric fan and electric heating installation using oil as medium household electrical appliance; and two of tongue tube 6 electric mortiser sheets 1 are connected with the overturning-preventing control circuit of the said equipment, the micro-electric current produced during the said equipment can be utilized to run realizes toppling over of equipment and shuts down control.
In order to understand content of the present invention better, now provide the operation principle of the micro-current switch of a kind of overturning-preventing of the present invention:
As shown in Figure 1, the micro-current switch of a kind of overturning-preventing of the present invention is installed vertically on equipment, now, whole gravity of gravitation ball 7 act on spring 3 by ejector sleeve 5, spring 3 is compressed into maximum distortion length, the center magneticaction of magnet ring 4 is on tongue tube 6, and the contact of tongue tube 6 is in separately (or closed), and equipment normally runs; When equipment run-off the straight or when toppling over, gravitation ball 7 is inclined to shell 8, shell 8 shares the part or all of gravity of gravitation ball 7, at this moment, spring 3 pushes away magnet ring 4, make the effect of center magnetic force change to tongue tube 6 of magnet ring 4, the contact of tongue tube 6 is in closed (or separating), and control appliance is out of service.
The micro-current switch of a kind of overturning-preventing of the present invention, utilize more advanced tongue tube as switch module, its opening and closing number of times is much larger than sensitive switch, and contact is sealed in inert gas filled glass tube, avoid contact erosion or laying dust, substantially prolongs the useful life of the micro-current switch of overturning-preventing; Meanwhile, improve the sensitivity of the micro-current switch of overturning-preventing, the overturning-preventing being particularly suitable for outdoor gas heating furnace, coal gas oven, warm-air drier, electric fan and electric heating installation using oil as medium household electrical appliance uses.
Schematically above be described the present invention and execution mode thereof, this description does not have restricted, and also just one of the embodiments of the present invention shown in accompanying drawing, actual structure is not limited thereto.So, if those of ordinary skill in the art enlightens by it, when not departing from the invention aim, designing the frame mode similar to this technical scheme and embodiment without creationary, all should protection scope of the present invention be belonged to.
Claims (6)
1. the micro-current switch of overturning-preventing, comprise housing and gravitation ball (7), it is characterized in that: also comprise tongue tube (6) and tongue tube trigger equipment, described tongue tube (6) is arranged at the bottom of housing, described gravitation ball (7) is arranged at the top of housing, and gravitation ball (7) is pressed on tongue tube trigger equipment, triggers tongue tube (6) when run-off the straight and be switched on or switched off; Described tongue tube trigger equipment comprises flexible member, magnetic element and ejector sleeve (5), and described flexible member, magnetic element and ejector sleeve (5) are sheathed on tongue tube (6) from lower to upper successively, and the top of described ejector sleeve (5) arranges gravitation ball (7); Described housing comprises shell (8) and base (2), and described shell (8) is connected for removable with base (2), and described tongue tube (6) is vertically fixed on base (2); Described flexible member is spring (3), and described spring (3) is sheathed on tongue tube (6), and the bottom of spring (3) contacts with base (2); Described magnetic element is magnet ring (4), and described magnet ring (4) is sheathed on tongue tube (6), and magnet ring (4) contacts with the top of spring (3).
2. the micro-current switch of a kind of overturning-preventing according to claim 1, is characterized in that: described tongue tube (6) is tongue tube open in usual or normally closed type tongue tube.
3. the micro-current switch of a kind of overturning-preventing according to claim 2, is characterized in that: the material of described housing is PBT insulating material.
4. the micro-current switch of a kind of overturning-preventing according to claim 3, is characterized in that: described magnet ring (4) is permanent magnet ring.
5. the micro-current switch of a kind of overturning-preventing according to claim 4, is characterized in that: described spring is made up of stainless steel wire.
6. the micro-current switch of a kind of overturning-preventing according to claim 5, is characterized in that: described gravitation ball (7) is chrome faced steel ball.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410115040.0A CN103839730B (en) | 2014-03-26 | 2014-03-26 | The micro-current switch of a kind of overturning-preventing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410115040.0A CN103839730B (en) | 2014-03-26 | 2014-03-26 | The micro-current switch of a kind of overturning-preventing |
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| CN103839730A CN103839730A (en) | 2014-06-04 |
| CN103839730B true CN103839730B (en) | 2016-02-03 |
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| CN201410115040.0A Active CN103839730B (en) | 2014-03-26 | 2014-03-26 | The micro-current switch of a kind of overturning-preventing |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105202615A (en) * | 2015-11-07 | 2015-12-30 | 平湖伟峰科技有限责任公司 | Electric heating type warmer |
| CN113332048B (en) * | 2021-06-08 | 2022-05-27 | 吉林大学 | Intracardiac branch of academic or vocational study nursing is with transfer device of scalable upset |
| CN114278983B (en) * | 2021-12-23 | 2024-03-15 | 东莞台欣电子有限公司 | Safety switch for electric heater and electric heater |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203774174U (en) * | 2014-03-26 | 2014-08-13 | 杨国庆 | Anti-dumping micro current switch |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4168413A (en) * | 1978-03-13 | 1979-09-18 | Halpine Joseph C | Piston detector switch |
| CN2777734Y (en) * | 2005-02-03 | 2006-05-03 | 杨永山 | Inclined power-off switch |
| CN2836219Y (en) * | 2005-09-02 | 2006-11-08 | 沙建君 | Full-closed overturn-free switch |
| CN101369499B (en) * | 2007-08-16 | 2011-07-20 | 贵州航天电器股份有限公司 | High-precision overload switch |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203774174U (en) * | 2014-03-26 | 2014-08-13 | 杨国庆 | Anti-dumping micro current switch |
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