Temperature relay
A technology of temperature relay and dynamic contact, which is applied to thermal switch parts and other directions, can solve the problems that the contact gap cannot guarantee the arc-extinguishing distance, the load voltage is small, and the normal operation under high-voltage load conditions cannot be realized, achieving high reliability, High sealing performance, small size effect
Inactive Publication Date: 2011-04-27
GUIZHOU SPACE APPLIANCE CO LTD
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Problems solved by technology
The load characteristics of the temperature relay are mainly guaranteed by the contact material of the parts and the contact gap. However, due to the space limitation of the existing temperature relay, the contact gap cannot guarantee the arc extinguishing distance required under large load conditions. Therefore, the general working load voltage is small, and it is impossible to achieve normal work under high-voltage load conditions.
Method used
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Embodiment Construction
[0018] A kind of temperature relay of the present invention is described in further detail below in conjunction with accompanying drawing:
[0019] A temperature relay of the present invention is provided by a cover 1, a bracket 2, a base plate 3, a moving contact piece combination 4, a static contact piece combination 5, an arc shield 6, a bimetallic piece 7, a push column 8, a guide sleeve 9, and a shelf 10. Realize the basic functions of the mechanism, temperature control, electrical connection and electrical insulation of the temperature relay.
[0020] The present invention overcomes the characteristics that the load of the traditional temperature relay is small. When the static contact piece combination 5 is designed, the connecting piece 11 is designed as a straight-leg bending shape. After spot welding the static contact piece combination 5 (such as figure 2 ), when a current passes through, a group of parallel and opposite currents are formed, and at the same time, w...
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The invention relates to a temperature relay which belongs to the technical field of relays. The temperature relay mainly comprises a cover, a bracket, a base plate, a moving contact piece combination, a fixed contact piece combination, an arc insulating cover, a bimetallic piece, a pushing post, a guide sleeve, a shelf plate, a connecting piece and a base combination, wherein the moving contact piece combination comprises a moving contact piece and a moving contact, the fixed contact piece combination comprises a fixed contact piece and a fixed contact, the connecting piece and the fixed contact piece combination are connected in a U shape in a spot welding mode, and the contact position of the moving contact and the fixed contact is provided with the arc insulating cover. The temperature relay has small volume and an external dimension of 32max*16max*35.5max mm, has two reversed magnetic fields under a contact switching-on state, can be used under high-voltage load and has higher seal performance, higher temperature control precision and higher reliability.
Description
technical field [0001] The invention relates to an electronic component used for temperature control and overheat protection, belonging to the technical field of relays. Background technique [0002] With the advancement of science and technology, the rapid development of aviation and aerospace technology, the application range of electronic components in aerospace products and other industries is becoming wider and wider, and higher requirements are placed on load characteristics. The load characteristics of the temperature relay are mainly guaranteed by the contact material of the parts and the contact gap. However, due to the space limitation of the existing temperature relay, the contact gap cannot guarantee the arc extinguishing distance required under large load conditions. Therefore, the general working load voltage is small, and normal work under high-voltage load conditions cannot be realized. Contents of the invention [0003] The object of the present invention...
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IPC IPC(8): H01H37/52
Inventor 苟体平林文健
Owner GUIZHOU SPACE APPLIANCE CO LTD