CN207702708U - Main heating element is the electric heater of metal electric heating pipe - Google Patents

Abstract

Main heating element is the electric heater of metal electric heating pipe, there are two groups of electric heating elements, secondary heating element to be located in storage water container inside the shell, main heating element setting is storing except water container, water heater is not heating water and stores water in the device in container, is located at tank（2）Interior secondary heating element（3）, summer do not work, main heating element（4）No matter whenever there is flow out-of-date, the water flowed through is heated immediately；Main heating element（4）By metal electric heating pipe（5）With the water stream channel for having disengaging water swivel（6）It constitutes, and the water inlet of tank or water stream channel is provided with magnetic force contact or induction automatic switch（7）；Electrothermal tube（5）To have heating wire in metal tube, with magnesia by heating wire and metal tube isolated insulation.

Description

Main heating element is the electric heater of metal electric heating pipe

Technical field

The utility model is related to the electric heaters that main heating element is metal electric heating pipe.

Background technology

The whole world defines storage-type electric water heater at present, is that " heating water simultaneously stores water in container, realizes equipped with control water The fixed utensil of warm device "；Electric heating element i.e. in container（Or electrothermal tube, similarly hereinafter）Be will to the water in water tank, 24 75 DEG C of hour laser heating and holding, using directly being released from container when hot water, heat waste is failed to keep an appointment in 24 hours>40% very Power consumption, meanwhile, hot water delivery rate is about the 70% of water tank capacity, that is, when water tank capacity is 60L, can only provide about 40L heat Water cannot meet modern's demand.

Patent application ZL200720061206.0, ZL200820098512.6 are equipped with heating tube in outlet pipe； ZL03220700.X, ZL201020505717.9 realize leveled heating, but still it is " heating water and by water to be defined as storage-type Storage in a reservoir, " not big change.

Invention content

The utility model is improved existing storage-type electric water heater, and it is that " heating water simultaneously will fundamentally to change water heater Water stores in a reservoir " structure type, realize summer, spring, be not added with hot water in autumn container, only store cold water；Late autumn in 1 year And winter, accounting for about annual 1/3 time just needs storage warm water, and the hot water used is directly to be released from main heating element.

The technical measures of the utility model are that have two groups of electric heating elements in the shell of water heater, and one group is located at storage water Container inside, summer or spring and autumn day, when natural temperature is higher, this group of electrothermal tube does not work, only in late autumn or winter, i.e., Only have this group of electrothermal tube of short time just to work in 1 year, referred to as secondary heating element；Another group of electric heating element, setting are held in water storage Except device 2, whenever no matter referred to as main heating element need must have water to flow through main heating element using when hot water, lead at this time Heating element heats the water flowed through, for users to use with regard to turn on automatically.

The main heating element 4 by water stream channel metal electric heating pipe 5 and have disengaging water swivel water stream channel 6 Constitute, and with and water stream channel or tank water inlet setting magnetic force contact or induction automatic switch 7 produce Raw contact, when there is water flowing, just connects the electrothermal tube 5 inside water stream channel, and water stops flowing and just disconnects, the metal electricity Heat pipe 5 is that have heating wire in metal tube, with magnesia powder by electrothermal tube made of heating wire and metal tube isolated insulation.

There are flange 15 or flange 16 on the end-face hole of tank 2, setting outlet pipe 2-3 and return pipe 2-2 on the flange, Between the return pipe 2-2 that main heating element 4 is mounted on flange outlet pipe 2-3 and flange or tank 2 is provided with into water Pipe 2-1, outlet pipe 2-2, in outlet pipe exposed junction there are one four-way connection, main heating element is just mounted on four-way connection.

The magnetic force contact or induction automatic switch（7）It is the original paper for starting and cutting off circuit, magnetic force contact Formula is in water flow channel, and stationary contact and movable contact is arranged directly makes contact closure or disconnection by the strength of water, and only limits In controlling main heating element, induction is that Hall element is arranged on water stream channel, when having water flowing, generates electromagnetic pulse It drives relay to be attracted or disconnect, when using a relay, is only limitted to control main heating element, secondary heating element, by liquid Expansion type temperature regulating switch controls, and when using two relays, the external main heating element of a control, another is stored up for controlling Secondary heating element in water container.

The utility model has the beneficial effects that existing product not scaling can be made using external metal electric heating pipe, leakproof, Several times increase heat production water.

Description of the drawings

The electric heater that the main heating elements of Fig. 1 to Fig. 3 are intake from tank by flange；

Fig. 4 to Fig. 6 is structural schematic diagram of the main heating element from the water outlet water inlet tube in tank；

Fig. 7 be main heating element water stream channel in be equipped with metal electric heating pipe structure chart；

Fig. 8, Fig. 9 are that induction automatic switch passes through relay control schematic diagram.

Specific implementation mode

In attached drawing, shell 1, tank 2, secondary heating element 3, main heating element 4, electrothermal tube 5, water stream channel 6, magnetic force Contact or induction automatic switch 7, cold water or low temperature water inlet line 8, the outlet conduit 9 of healed water, connecting tube 13, Mechanical temperature controller 15, relay 16.

Fig. 1 to Fig. 6 is the electric heater structure chart that main heating element is arranged except tank, the water of main heating element Circulation road 6 enters cold water or water at low temperature from connecting tube 8, after heating, from hot water connecting pipe 9 is gone out, flows out.

Operation principle is：Summer or spring and autumn day, natural temperature>It is cold water in tank 2 at 25 DEG C, when with hot water, by After main heating element 4 is to the cool water heating in container, flow directly out for using；Therefore it changes and first heated water to 75 DEG C in the past Store again afterwards, the used time directly releases from container, it is ineffective with do not have to, with multi-purpose few, whole one case water will be heated And heat preservation；Need with how much hot water, i.e., how much hot water to be heated by primary heater 4, in advance do not prepared after improvement.

Fig. 7 be main heating element water stream channel 6 in be equipped with metal electric heating pipe 5 structural schematic diagram；The electrothermal tube 5 Refer to having heating wire in metal tube, with magnesia powder by heating wire and metal tube isolated insulation, and in water stream channel 6 or water storage The water inlet end of container 2 is equipped with magnetic force contact or induction automatic switch 7, and is formed as an entirety, the automatic switch When can ensure that water flowing, electrothermal tube is set to connect immediately.

Fig. 8, Fig. 9 are the automatic switch 7 of electromagnetic induction, also referred to as water flow sensing unit control schematic diagram, in Fig. 8 electromagnetic induction from One relay 16 of dynamic switch control makes external main heating element be switched on or switched off, and mechanical temperature controller only controls heating part Part 3, with two relays 16 in Fig. 9, the main heating element outside a control tank, another is for controlling tank Interior secondary heating element.

Claims (1)

1. main heating element is the electric heater of metal electric heating pipe, there are two groups of electric heating elements, secondary heating element to set inside the shell In tank, main heating element is arranged except tank, it is characterised in that：Main heating element（4）It is arranged in water storage Container（2）Except；By there is the water stream channel of disengaging water swivel（6）With the metal electric heating pipe in water stream channel（5）It constitutes, institute It is to have heating wire in metal tube to state metal electric heating pipe, with magnesia powder by heating wire and metal tube isolated insulation；Tank（2） Interior secondary heating element（3）, summer do not work, main heating element（4）No matter whenever there is flow out-of-date, immediately to flowing through Water is heated；Further include magnetic force contact or induction automatic switch（7）, the magnetic force contact or induction Automatic switch（7）It is the original paper for starting and cutting off circuit, magnetic force contact is in water flow channel, and setting stationary contact is touched with dynamic Point directly makes contact closure or disconnection by the strength of water, and is only limited to control main heating element, and induction is in flow Hall element is set on channel, when having water flowing, generates electromagnetic pulse driving relay and is attracted or disconnects, using a relay When, it is only limitted to control main heating element, secondary heating element, be controlled by liquid expansion type temperature regulating switch, when using two relays, The external main heating element of one control, another is used to control the secondary heating element in tank.