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Novel pipeline electric heater

A pipeline electric heater, a new type of technology, applied in the ohmic resistance heating parts, the shape of the heating element, the ohmic resistance waterproof/airtight and other directions, which can solve the problem that the insulating silica gel is easily damaged and falls off, increasing the risk of electric shock to users, and leakage of terminals. problems, to improve the firmness and sealing, not easy to fall off and leakage, and increase the connection length.

Inactive Publication Date: 2017-09-22
XUZHOU SHUNFENG VALVE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this way, there is inevitably a gap between the heat-shrinkable tube and the solidified AB glue. During production inspection, the leakage detection rate is high; There is a possibility of electric leakage due to exposed terminals, which increases the risk of electric shock for users

Method used

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Examples

Experimental program
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Effect test

Embodiment Construction

[0018] as attached Figure 1-2 As shown, a new pipeline electric heater includes cylinder body 1, heating tube 2, resistance wire 3, magnesium oxide powder filler 4, AB glue 5, silica gel 6, terminal post 7, heat shrinkable tube 8, power cord 9 , joint 10, ground wire screw 11 and thermostat connecting plate 12; the cylinder body 1 is made of stainless steel, with joints 10 arranged at its two ends, ground wire screw 11 arranged on the top surface, and a thermostat for installing the thermostat is welded externally. The controller connection plate 12, the coil heating tube 2 is arranged in the cylinder body 1, the two ends of the heating tube 2 extend to the top of the cylinder body 1, and one end is fixed to the top surface of the cylinder body 1; the heating tube 2 is filled with magnesium oxide powder Filler 4, magnesia powder filler 4 is embedded with resistance wire 3, the top of resistance wire 3 is connected to terminal 7, one end of terminal 7 is embedded in magnesia p...

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Abstract

The invention relates to a new pipeline electric heater, the heating tube is filled with magnesium oxide powder filler, a resistance wire is buried in the magnesium oxide powder filler, the top of the resistance wire is connected to a terminal, and one end of the terminal is buried in the magnesium oxide powder filler Inside, the other end protrudes from the heating tube to the outside of the cylinder and connects the power cord. The outer part of the power cord and the terminal is wrapped with a heat-shrinkable tube, and the bottom end of the heat-shrinkable tube is inserted into the heating tube; AB glue is injected into the heating tube, and the The heat-shrinkable tube and the terminal are sealed and fixed with the heating tube, and the heat-shrinkable tube is further fixed and sealed at the top of the heating tube with silica gel. Install the heat-shrinkable tube in the heating tube to increase the connection length between the heat-shrinkable tube and the heating tube, and double fix it with AB glue and silica gel to improve the firmness and sealing of the connection. The heat-shrinkable tube is not easy to fall off and leak electricity, which improves its safety The production qualification rate of sex and pipeline electric heaters.

Description

technical field [0001] The invention relates to the air-conditioning and heating ventilation industry, in particular to a novel pipeline electric heater. Background technique [0002] Pipeline electric heaters are widely used in heating, factory process water, power plant raw water, air conditioning heating, swimming pool and other water system steam heating. [0003] At present, the pipeline electric heater is composed of multiple tubular electric heating elements, cylinder body, temperature controller and other parts. The crystalline magnesium oxide powder with high thermal conductivity uses tubular electric heating elements as the heating element, which has the characteristics of advanced structure, high thermal efficiency, good mechanical strength, corrosion resistance and wear resistance. [0004] The existing pipeline heater has the following problems and shortcomings: the existing production process is to add AB glue to the heating nozzle, wait for the AB glue to sol...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05B3/44H05B3/04
CPCH05B3/44H05B3/04
Inventor 刘文昊
Owner XUZHOU SHUNFENG VALVE
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