Temperature sensor for occasion with strong vibration
A technology for temperature sensors and occasions, applied in thermometers, thermometer parts, instruments, etc., can solve the problems that affect the reliable contact between the wire and the reed, affect the plug and socket insertion effect, and affect the reliability of products, etc. Large holding force, improve reliability, and ensure the effect of reliable contact
Inactive Publication Date: 2012-07-25
DALIAN BOCON SCI & TECH
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Problems solved by technology
However, if the acceleration in the vibration environment is greater than 10g, the screws will loosen and fall off, which will directly affect the plugging effect of the plug and socket, that is, the reliable contact between the metal wire and the reed, and then affect the reliability of the product.
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[0010] The specific implementation manner of the present invention will be described below with reference to the accompanying drawings. Such as figure 1 , figure 2 Shown: the same as the prior art, there is a plug 1 and a socket 2 that are inserted into each other, a metal wire 3 is fixed in the plug 1, and a reed 4 is fixed in the socket. What is different from the prior art is that the plug 1 inserts A plurality of protrusions 5 are evenly distributed on the outer surface of the front end of the direction of entry, and sockets 2 and corresponding positions of the protrusions 5 are provided with slots 6, and the protrusions 5 are placed in the slots 6. A jumper holder 7, the jumper holder 7 is built with a jumper 8, and the back of the jumper 8 and the protrusion 5 offset. A gasket 9 is provided at the inner bottom of the socket 2 , and the front end of the plug 1 is against the gasket 9 .
[0011] Slot 6, retaining spring 8, spacer 9 can make protrusion 5 fix, avoid it t...
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The invention discloses a temperature sensor for an occasion with strong vibration, comprising a plug (1) and a socket (2) which are mutually plugged, wherein a metal wire (3) is fixed in the plug (1), and a spring piece (4) is fixed in the socket (2). The temperature sensor for an occasion with strong vibration disclosed by the invention is characterized in that a plurality of bulges (5) are uniformly distributed around the outer side surface of the front end of the plug (1) in a plugging-in direction; slots (6) are disposed at the positions where the socket (2) correspond to the bulges (5); the bulges (5) are disposed in the slots (6); a plurality of snap spring fixing elements (7) are disposed on the outer side surface of the socket (2); snap springs (8) are disposed in the snap spring fixing elements (7); and the snap springs (8) abut against the rear surfaces of the bulges (5). The backward movement of the plug can be effectively avoided, and the reliable contact between the metal wire and the spring piece can be ensured even in the case of an occasion with strong vibration (vibration acceleration is greater than 10 g), thus ensuring the effective transmission of a temperature signal, and improving the reliability of a product.
Description
technical field [0001] The invention relates to a temperature sensor, in particular to a temperature sensor for strong vibration occasions with simple structure and which can effectively improve product reliability. Background technique [0002] At present, the temperature sensors used in vibration situations are equipped with a stainless steel protection tube with a front seal. In the protection tube, there are temperature sensing elements such as platinum resistors and metal wires connected to the temperature sensing elements from front to rear, and the remaining space is filled with heat-conducting materials. , and finally the rear port is sealed by a sealing layer. The rear part of the protection tube is connected to the plug through a nut, and the wire passing through the sealing layer and connected to the temperature sensing element is fixed in the plug; a socket is arranged corresponding to the plug, and a reed is fixed in the socket, and the wire of the reed and the ...
Claims
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Inventor 曾永春
Owner DALIAN BOCON SCI & TECH