CN108076542A

CN108076542A - Assembled electric heating pipe

Info

Publication number: CN108076542A
Application number: CN201611000628.7A
Authority: CN
Inventors: 刘运柳; 刘成
Original assignee: Guangdong Shunde Guangsheng Electrical Appliance Co Ltd
Current assignee: Guangdong Shunde Guangsheng Electrical Appliance Co Ltd
Priority date: 2016-11-14
Filing date: 2016-11-14
Publication date: 2018-05-25

Abstract

Assembled electric heating pipe, electrothermal tube is by shell（3‑4）, electrical heating elements（3‑2）Two parts are formed：Shell（3‑4）Hollow tubular, one end sealing is made by metal or nonmetallic materials, the other end opens wide, and be formed with screw thread or flange in unlimited one end is engaged with the interface on water tank, in shell（3‑4）Interior air（3‑5）In, electrical heating elements are installed（3‑2）, electrical heating elements heat for water proof during energization work, and can have water in water tank when is packed into and takes out.

Description

Assembled electric heating pipe

Technical field

The present invention relates to electrothermal tubes, relate generally to electric boiler, central heater, air source hot pump water heater, solar heat The hot-water heating systems such as hydrophone, central air-conditioning electric heating device, electric heater, electric wall-hung boiler, water dispenser, boiler, are immersed in Electrothermal tube in water tank.

Background technology

The electrothermal tube being currently used in hot-water heating system water tank, 100% is by China Technology Standard GB/T23150-2008 《Water heater tubular heater》It is " to make heater by shell, heating alloy of metal tube, at one end or two ends have extraction Stick loads closely knit magnesium oxide powder dielectric in metal tube, to fix the element of heater；" this metal shell electricity Thermal element is completely sunk in the water, and after long-time use, meeting scaling reduces heating efficiency and corrosion breakdown, makes water band Electricity is world-famous puzzle.

The Shunde Guang Sheng electric appliances limited company application number 201510579205.4 on the 5th of September in 2015, 201510579286.8th, 24 patent applications such as 201510579371.4,201510579374.8 and 201510579451.X carry Be supplied with electric power heat pipe mounting structure, does not have the structure for describing electrothermal tube in above-mentioned patent application；Present patent application supplements electrothermal tube New structure, it is main to supplement blind hole pipe, and the structure of electrothermal tube is described.

The content of the invention

The purpose of the present invention is be directed to electric boiler, central heater, air source hot pump water heater, solar water heater, in Electrothermal tube used in entreating air conditioner auxiliary heater and electric heater, water dispenser, boiler etc., provides a kind of new structure side Case.

The technical measures of the present invention are that electrothermal tube 3 is combined and formed by shell 3-4, bis- parts of electrical heating elements 3-2：Shell 3- 4 are made hollow tubular, one end sealing by metal or nonmetallic materials, and the other end opens wide, and screw thread or flange are formed in unlimited one end It is engaged with the screw thread on water tank or flange-interface, in the air 3-5 in shell 3-4, electrical heating elements 3-2, the two is installed For combining structure, electrical heating elements can take out from shell；It heats, and can have in water tank for water proof when electrical heating elements work It is packed into and takes out during water.

The outer tube of the electrical heating elements 3-2 is nonmetallic blind hole pipe or straight pipe or bends to the pipe 3-1 of U-shaped, built-in Have heating wire 3-7, eduction rod or conducting wire 3-3 ends will seal, manage in take out low vacuum or non-combustible, the not combustion-supporting gas of injection or Inert gas is packed into non-closely knit magnesium oxide powder or air 3-8；Or electric heating element 3-2 halide torches or carbon fiber electric heating Pipe makes；For single-ended extraction, eduction rod or conducting wire 3-3 are in the same end.

The electrical heating elements 3-2, can also be by following structure fabrication：The heating wire 3-7 of spring shape will be coiled into, be wound on and be formed with On the ceramic mandrel 3-6 of helicla flute, wherein one end is drawn by the way that the hole in the middle part of electrical heating elements 3-2 ceramics mandrels is made, and makes two A terminal is in the same end；Or by heating wire 3-7 in the metal tube, with closely knit magnesium oxide powder by heating wire 3-7 and metal Pipe isolated insulation, is again bent at shape, makes eduction rod in the same end.

Above-mentioned electrical heating elements 3-2 is in shell 3-4, just as the electrothermal tube of large capacity water tank；During energization work, Electrical heating elements 3-2 dry combustion methods in air.

The beneficial effects of the invention are as follows electrothermal tube surface loading is low, long lifespan；Electrothermal tube heats for water proof, can reach II class Electric appliance highest ranking safety standard；Water tank need not discharge water when heating element is replaced simultaneously, can arbitrarily replace.

Description of the drawings

Fig. 1 to Fig. 4 housing open one end is screw thread；

Fig. 5 to Fig. 9 housing opens one end be flange；

Figure 10 to Figure 13 is the schematic cross-section of Fig. 1 to Fig. 9.

Specific embodiment

Fig. 1 to Fig. 4 housing open one end is screw thread, is connected with the screw thread on water tank, in Fig. 1 electrical heating elements 3-2 Outer tube for nonmetallic blind hole pipe, it is interior that heating wire 3-7 is housed；Electrical heating elements 3-2 has more in Fig. 2, and there are terminals at both ends Son, but drawn in the same end；Fig. 3 and Fig. 4, electrical heating elements 3-2 bend to U-shaped also can be directly straight with carbon fiber pipe or halide torch It connects and bends to U-shaped, Fig. 3 has 2 pipes, and Fig. 4 is a pipe.

Hollow tubular, one end sealing is made by metal or nonmetallic materials to Fig. 9 shells in Fig. 5, and the other end opens wide shell and opens One end is opened as flange, is connected with the flange of water tank, for Fig. 1 into Fig. 7, electrical heating elements 3-2 there are 3 bell formulas, can mutually make With.

The heating wire 3-7 of spirally-wound bullet shape is wound on the ceramics for being formed with helicla flute by Fig. 8, Fig. 9 electrical heating elements 3-2 On mandrel or insulation tube 3-6；In attached drawing, numbered in ceramic mandrel, insulation tube, supporting rack figure and claim 3-6.

Figure 10 to Figure 13 is the schematic cross-section of Fig. 1 to Fig. 9, and the signal refers to that in shell 3-4 heating element 32 can To be 1 or more.

Fig. 1 can take out to Fig. 9 electrical heating elements from shell, and the two is mechanically-assembled.

Claims

1. Assembled electric heating pipe, it is characterised in that：Electrothermal tube is by shell（3-4）, electrical heating elements（3-2）Combine structure in two parts Into：Shell（3-4）Hollow tubular, one end sealing is made by metal or nonmetallic materials, the other end is opened wide, is formed in unlimited one end Screw thread or flange are engaged with the screw thread on water tank or flange-interface, in shell（3-4）Interior air（3-5）In, installation electricity adds Thermal element（3-2）, the two is combining structure, and electrical heating elements can take out from shell；During electrical heating elements energization work be every Water heats, and can have water in water tank when is packed into and takes out.

2. Assembled electric heating pipe according to claim 1, it is characterised in that：Electrical heating elements（3-2）Outer tube be non-gold Belong to blind hole pipe or straight pipe or the pipe for bending to U-shaped（3-1）, it is interior that heating wire is housed（3-7）, eduction rod or conducting wire（3-3）It end will Sealing manages interior pumping low vacuum or injects non-combustible, not combustion-supporting gas or inert gas or be packed into non-closely knit magnesia powder End or air（3-8）；Or electrical heating elements（3-2）It is made of halide torch or carbon fiber electric heating tube；For single-ended extraction, eduction rod or Conducting wire（3-3）In the same end.

3. Assembled electric heating pipe according to claim 1, it is characterised in that：Electrical heating elements（3-2）, spring will be coiled into The heating wire of shape（3-7）, it is wound on the ceramic mandrel for being formed with helicla flute（3-6）On, wherein one end is by being made electrical heating elements（3- 2）Hole in the middle part of ceramic mandrel is drawn, and makes two terminals in the same end；Or by heating wire（3-7）In metal tube, use is closely knit Magnesium oxide powder by heating wire（3-7）With metal tube isolated insulation, shape is again bent at, makes eduction rod in the same end.