Temperature detection device
A temperature probe and thermocouple technology, applied in the field of hot runner injection molding, can solve the problems of poor insulation performance of metal materials, potential safety hazards, short circuits, etc., to improve the accuracy of temperature measurement and use safety, improve production efficiency, molding simple craftsmanship
Inactive Publication Date: 2018-08-28
YUDO QINGDAO HOT RUNNER SYST CO LTD
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Problems solved by technology
This is because if the extension of the thermocouple includes both positive and negative wires, if the positive and negative wires were free to move, they could bend and touch each other, causing a short circuit
[0005] In order to avoid this situation, the temperature detection device needs to be provided with a support part to connect the temperature probe and the compensation part. In the common prior art, the support part is made of metal material. Due to the poor insulation performance of the metal material, the thermocouple Positive and negative wires are easy to electrify the support part, which not only affects the temperature measurement accuracy of the temperature detection device, but also brings safety hazards
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[0027] The present invention will be described in detail below in conjunction with specific embodiments shown in the accompanying drawings. However, these embodiments do not limit the present invention, and any structural, method, or functional changes made by those skilled in the art according to these embodiments are included in the protection scope of the present invention.
[0028] In each drawing of the present invention, for convenience of illustration, some dimensions of structures or parts are exaggerated relative to other structures or parts, and therefore, are only used to illustrate the basic structure of the subject matter of the present invention.
[0029] The terms used herein to denote relative spatial positions such as "upper", "above", "under", "under", etc. are for convenience of description to describe the relative position of one element or feature relative to another as shown in the drawings. Relationships of units or features. The terms of spatial relati...
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The invention discloses a temperature detection device, which is used for a hot flow passage system. The temperature detection device comprises a temperature detection probe, a compensation part and asupport part, wherein a thermocouple is inserted in the temperature detection probe and is provided with a temperature measuring end and an extending end; a compensation wire is arranged in the compensation part; one end of the compensation wire is externally connected with temperature display equipment; the other end of the compensation wire is connected with the extending end of the thermocouple; the outer diameter of the compensation part is greater than the outer diameter of the temperature detection probe; the support part is used for connecting and supporting the temperature detection probe and the compensation part; the extending end of the thermocouple and the other end of the compensation wire are communicated in the support part; the support part is made of elastic plastic materials. The support part made of the elastic plastic materials can realize the flexible connection between the extending end of the thermocouple and the compensation wire and the mutual insulation connection of the pair of extending ends of the thermocouple; the temperature measuring accuracy and the use safety of the temperature detection device are improved; in addition, the shaping process is simple; the production efficiency of the temperature detection device is obviously improved.
Description
technical field [0001] The invention belongs to the technical field of hot runner injection molding, and in particular relates to a temperature detecting device. Background technique [0002] The temperature detection device generally includes a thermocouple and a compensation part. The thermocouple is arranged in the temperature probe, and the compensation part is provided with a compensation line. One end of the compensation line is connected with a pair of extension ends of the thermocouple extending from the end of the temperature probe. The other end of the compensation line is configured to support a thin needle so as to be connected to an external temperature display device. [0003] In order for the temperature probe to function in a temperature measuring device, the temperature probe and the compensation part need to be fixed to each other. This is because the extension ends of the thermocouple would break off easily if they were free from each other. [0004] In ...
Claims
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IPC IPC(8): B29C45/78
CPCB29C45/78B29C2945/7604B29C2945/76274
Inventor 李象烈
Owner YUDO QINGDAO HOT RUNNER SYST CO LTD