Three-layer bidirectional contact machine with arc extinguishing function
A bidirectional contact and arc extinguishing technology, which is applied in the direction of electrical components, electric switches, circuits, etc., can solve problems such as difficulty in reducing or avoiding arcs in arc extinguishing mechanisms, prolonged disconnection time of switching appliances, and potential safety hazards of switching appliances, etc., to achieve improved Relatively fixed, improve the use of safety, improve the effect of service life
Inactive Publication Date: 2020-02-18
安徽中骄智能科技有限公司
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Problems solved by technology
The arc not only has a great destructive effect on the contacts, but also prolongs the disconnection time of the switching device, so people invest a lot of money and energy to overcome the problem of how to reduce or avoid the arc
[0003] However, the arc extinguishing mechanism on the existing two-way contact machine is difficult to effectively reduce or avoid the generation of arc, which brings certain safety hazards to the use of switching appliances and has a certain impact on production and life; therefore, it is necessary to study a Three-layer bidirectional contact machine with arc extinguishing function to improve the safety and service life of electrical equipment
Method used
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[0023] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0024] In the description of the present invention, it should be understood that the terms "disposed", "open", "upper surface", "end", "inner", "peripheral side", etc. indicate orientation or positional relationship, and are for convenience only The present invention is described and simplified descriptions do not indicate or imply that the components or elements referred to must have a specific orientation, be constructed and operate in a specific orientation, and ...
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The invention discloses a three-layer bidirectional contact machine with an arc extinguishing function, which relates to the technical field of electric contacts and arc extinguishing structure devices thereof. The three-layer bidirectional contact machine with an arc extinguishing function comprises a contact body, a contact connecting pipe and an arc extinguishing mechanism, wherein the contactbody is fixedly connected to the top of the arc extinguishing mechanism; the arc extinguishing mechanism comprises a bottom plate; the bottom plate comprises an annular plate and connecting plates; the annular plate is arranged on the contact connecting pipe in a sleeving manner; the connecting plates are symmetrically fixed to the peripheral side face of the annular plate; a guide plate is fixedon the upper surface of the end of the connecting plate; a polar plate is in sliding fit with the side face of the guide plate; the side face of the guide plate is connected with a clamping plate through a first spring. The clamping plate is based on the guide plate, the arc-shaped surface is attached to the contact connecting pipe by virtue of the elastic force of the first spring, and the relative fixity between the two polar plates and the contact body is improved by virtue of supporting force and friction force; and the electric field constructed by the two polar plates is used for neutralizing the arc electric field, so that the use safety of the contact and the switching device is effectively improved.
Description
technical field [0001] The invention belongs to the technical field of electric contacts and arc extinguishing structure devices thereof, in particular to a three-layer bidirectional contact machine with arc extinguishing function. Background technique [0002] In some switching appliances, contacts are often used to undertake tasks such as making, disconnecting, and carrying, and the quality of electrical contacts directly determines the service life and safety of electrical equipment; but when the existing switching appliances perform switching actions , arcing often occurs on electrical contacts. The arc not only has a great destructive effect on the contacts, but also prolongs the disconnection time of the switching device. Therefore, people have invested a lot of money and energy to overcome the problem of how to reduce or avoid the arc. [0003] However, the arc extinguishing mechanism on the existing two-way contact machine is difficult to effectively reduce or avoid...
Claims
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Login to View More IPC IPC(8): H01H9/30
CPCH01H9/30
Inventor 王兴生
Owner 安徽中骄智能科技有限公司