CN213657095U

CN213657095U - Instant water heater with low power and large water flow

Info

Publication number: CN213657095U
Application number: CN202022665405.0U
Authority: CN
Inventors: 王后富
Original assignee: Zhongshan Gongzhi New Energy Technology Co ltd
Current assignee: Zhongshan Gongzhi New Energy Technology Co ltd
Priority date: 2020-11-17
Filing date: 2020-11-17
Publication date: 2021-07-09
Anticipated expiration: 2030-11-17

Abstract

The utility model discloses an instant heating type water heater with low power and large water flow, which comprises a water inlet joint and a heat storage heating device, wherein the heat storage heating device comprises a water inlet end and a water outlet end, and the water inlet end is communicated with the water inlet joint; the heat storage and heating device is characterized by further comprising an electromagnetic heating body and a thermostatic valve, wherein two water inlet interfaces of the thermostatic valve are respectively communicated with a water outlet end and a water inlet connector of the heat storage and heating device, and a water outlet interface of the thermostatic valve is communicated with a water inlet interface of the electromagnetic heating body. The heat storage heating device does not work with the electromagnetic heating body in an inserted mode, the heat storage heating device conducts heat exchange with cold water by utilizing pre-stored heat so as to heat the cold water for one time, the heat storage heating device is matched with the electromagnetic heating body, the overall heating power is low, the heat supply time of one time is prolonged without reducing water flow, and therefore the instant hot water can provide hot water with large water flow; meanwhile, an electromagnetic induction heating technology is adopted, water and electricity separation is realized, and the electric shock risk of electric leakage is avoided, so that the use is safe and reliable.

Description

Instant water heater with low power and large water flow

Technical Field

The utility model relates to a water heater especially relates to an instant heating type water heater of miniwatt big rivers.

Background

This section merely provides background information related to the present application so as to enable those skilled in the art to more fully and accurately understand the present application, which is not necessarily prior art.

The traditional water storage type water heater is too large in size, and particularly a high-capacity electric water heater needs to be powered on in advance before being used to start heating, so that a user has long waiting time. The air energy water heater is energy-saving, but has the defects of high price, noise, troublesome installation, large volume, high maintenance cost and the like. The phase-change energy storage water heater is characterized in that a phase-change material is preheated in an electricity underestimation time period to store heat in the phase-change material, and the heat exchanger and the phase-change material are subjected to heat exchange through incoming lines, so that water flowing through the heat exchanger is heated, instant heating type water outlet is realized, and the advantages of saving energy, rapidly discharging water and the like are achieved by utilizing peak-shifting heating, and the water heater is accepted by more and more users.

The existing phase-change water heater cannot simultaneously supply heat for a long time and large water outflow water because the heat storage capacity is certain: if the phase change water heater needs to be positioned for a certain heat supply time, the longer heat supply time is required to be changed by reducing the quantity of the flowing hot water at the cost of reducing the hot water supply quantity in unit time; on the contrary, if the user needs to provide hot water with large water flow, the heating time of the phase-change water heater is inevitably shortened greatly. The existing instant water heater needs a large heating power to meet the heating requirement of instant heating.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides an instant heating type water heater of the big rivers of miniwatt adopts heat storage formula heating and instant heating type secondary heating to supply, provides the big rivers hot water of instant heating type under the heating power of miniwatt.

The utility model provides an instant heating type water heater with low power and large water flow, which comprises a water inlet joint and a heat storage heating device, wherein the heat storage heating device comprises a water inlet end and a water outlet end, and the water inlet end is communicated with the water inlet joint; the heat storage and heating device is characterized by further comprising an electromagnetic heating body and a thermostatic valve, wherein two water inlet interfaces of the thermostatic valve are respectively communicated with a water outlet end and a water inlet connector of the heat storage and heating device, and a water outlet interface of the thermostatic valve is communicated with a water inlet interface of the electromagnetic heating body.

In a preferred embodiment, the electromagnetic heating body comprises a metal heating tube, an insulating tube sleeved on the outer side surface of the metal heating tube and an electromagnetic induction coil wound on the outer side surface of the insulating tube, a heating cavity is formed between the heating tube and the insulating tube, one end of the heating cavity is communicated with the water outlet end, and the other end of the heating cavity is used as a hot water outlet of the instant water heater.

In a preferred embodiment, the heat storage and heating device comprises a shell, a heat storage medium, a heat exchanger, a heater arranged on the shell and at least one electromagnetic coil panel arranged on the outer side surface of the shell, wherein the heat storage medium and the heat exchanger are both arranged in the shell, a water inlet end and a water outlet end are both arranged outside the shell, and two tail ends of the heat exchanger are respectively communicated with the water inlet end and the water outlet end.

In a preferred embodiment, the heater is made of carbon steel, iron or stainless iron; the heater is arranged at the bottom of the shell, and the electromagnetic coil panel is arranged on the outer side surface of the bottom of the shell.

In a preferred embodiment, the heater is served by the floor of the housing.

In a preferred embodiment, a pressure relief vent is provided in the top of the housing.

In a preferred embodiment, a feedwell is provided in the housing.

In a preferred embodiment, the heat storage medium is water, and the feed port is communicated with the water inlet joint.

In a preferred embodiment, the tankless water heater further comprises a solenoid valve, and the feed port is communicated with the water supply connector through the solenoid valve.

Compared with the prior art, the utility model discloses following beneficial effect has:

because the heat storage heating device does not work with the electromagnetic heating element in an inserted mode, the heat storage heating device exchanges heat with cold water by utilizing pre-stored heat so as to heat the cold water for one time, and the heat storage heating device is matched with the electromagnetic heating element, so that compared with the situation that hot water with preset temperature T0 is directly output by the heat storage heating device through heat exchange, the single heat supply time of the heat storage heating device can be obviously prolonged, the single heat supply time is prolonged without reducing water flow, and the instant hot water can provide hot water with large water flow; simultaneously, the electromagnetic heating body only needs to play the reheat and is acting on, and the difference in temperature of required heating is direct relatively with cold water heating to preset temperature T0, and obvious required heating power is lower, thereby the utility model discloses an instant heating type hydrothermal bulk heating power is less. And the instant water heater has simple integral structure, adopts the electromagnetic induction heating technology, realizes water-electricity separation, has no electric leakage and electric shock risk, and is safe and reliable to use.

Drawings

FIG. 1 is a schematic diagram of the construction of a preferred embodiment of a tankless water heater.

Fig. 2 is an exploded view of one embodiment of the heat storage and heating apparatus.

Detailed Description

To further clarify the technical solutions and effects adopted by the present application to achieve the intended purpose, the following detailed description is given with reference to the accompanying drawings and preferred embodiments according to the present application. In the following description, different "one embodiment" or "an embodiment" refers to not necessarily the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

As shown in fig. 1, the utility model discloses an instant water heater, which comprises a heat storage heating device, an electromagnetic heating element 8, a water inlet joint 5 and a thermostatic valve 7; the heat storage heating device comprises a water inlet end 21 and a water outlet end 22, the water inlet end 21 is communicated with the water inlet connector 5, two water inlet interfaces of the thermostatic valve 7 are respectively communicated with the water outlet end 22 and the water inlet connector 5, a water outlet interface of the thermostatic valve 7 is communicated with a water inlet interface of the electromagnetic heating element 8, and a water outlet interface of the electromagnetic heating element 8 is a hot water outlet of the instant heating type water heater.

Cold water at a temperature of T1 (for example, 20 ℃) is supplied to the heat storage heating device and the thermostatic valve 7 through the water inlet joint 5 at the same time, the cold water is subjected to heat exchange in the heat storage heating device to obtain hot water at a temperature of T2 (for example, 60 ℃), at this time, the cold water at a temperature of T1 is mixed into the hot water at a temperature of T2 from the thermostatic valve 7 as needed, the hot water at a temperature of T3 (for example, 40 ℃) is output from the water outlet port of the thermostatic valve 7, then, the hot water at a temperature of T3 is subjected to secondary heating through the electromagnetic heating element 8 to be heated to a preset temperature of T0 (for example, 50 ℃) and finally flows. Wherein T1 is more than T3 and less than or equal to T2, and T3 and less than or equal to T0.

Because the heat storage heating device does not work with the electromagnetic heating element 8 by plugging electricity at the same time, the heat storage heating device exchanges heat with cold water by utilizing pre-stored heat so as to heat the cold water for one time, and the heat storage heating device is matched with the electromagnetic heating element 8, compared with the situation that hot water with the preset temperature T0 is directly output by the heat storage heating device through heat exchange, the single heat supply time of the heat storage heating device can be obviously prolonged, the single heat supply time does not need to be prolonged by reducing water flow, and therefore the instant hot water can provide hot water with large water flow. Simultaneously, electromagnetic heating body 8 only need play the reheat and is acting on, and the difference in temperature of required heating is direct relatively with cold water heating to preset temperature T0, and obviously required heating power is lower, thereby the utility model discloses an instant heating type hydrothermal bulk heating power is less.

Referring to fig. 2, in an embodiment, the heat storage and heating apparatus includes a housing 1, a heat storage medium (not shown), a heat exchanger 2, a heater 3 disposed on the housing 1, and at least one electromagnetic coil 4 disposed on an outer side surface of the housing 1, the heat storage medium and the heat exchanger 2 are both disposed in the housing 1, a water inlet end 21 and a water outlet end 22 are both disposed outside the housing 1, two ends of the heat exchanger 2 are respectively communicated with the water inlet end 21 and the water outlet end 22, and the electromagnetic coil 4 generates an alternating magnetic field to induce the heater 3 to heat the heat storage medium in the housing 1, so that the heat storage medium supplements heat for storage.

If the temperature of the hot water flowing into the thermostatic valve 7 from the water outlet end 22 is lower than the constant temperature T3 set by the thermostatic valve 7, it is considered that the heat stored in the heat storage heating device in advance is consumed, and heat exchange cannot be continued and heat needs to be supplemented, at this time, the electromagnetic coil panel 4 is powered on to generate an alternating magnetic field, and the heater 3 inductively heats in the alternating magnetic field to heat the heat storage medium in the housing 1, so that the heat storage medium supplements heat for storage. When the heat storage heating device needs to be supplemented with heat, the instantaneous water heater cannot work in principle. Generally, the electromagnetic coil panel 4 is powered to supplement heat energy to the heat storage medium in the power consumption valley period in the night or in the morning to achieve the purpose of saving energy.

Wherein, the heat storage medium comprises water, oil, salt particles, mineral powder or phase-change materials, etc.

Wherein, the heater 3 is made of material with good magnetic permeability, for example, the heater 3 is made of carbon steel, iron or stainless iron. Preferably, the heater 3 is disposed on the bottom of the housing 1 (which may be the bottom inner side or the bottom outer side), and the solenoid disk 4 is disposed on the bottom outer side of the housing 1. To simplify the assembly and construction of the heater 3, in one embodiment the heater 3 is served by the floor of the housing 1.

In one embodiment, a supply opening 11 is provided in the housing 1, and the supply opening 11 is convenient for a user to replenish the heat storage medium in the housing 1 as required during use.

In one embodiment, a pressure relief vent 12 is provided in the housing 1, and preferably the vent 12 is provided generally at the top of the housing 1. Through setting up pressure release 12, avoid casing 1 top not to be full of the heat-retaining too big casing 1 that leads to of the space partial pressure that ends, be favorable to improving the life of instant heating type water heater.

As is known, the heat exchanger 2 is formed by a continuous curved pipe, and is arranged in a curved manner to meet the dimensional requirements of the installation space in the housing 1, and has a larger surface area as much as possible to increase the direct thermal contact area with the heat storage medium, thereby improving the heat exchange capacity.

In addition, the electromagnetic heating element 8 comprises a metal heating tube, an insulating tube sleeved on the outer side surface of the metal heating tube and an electromagnetic induction coil wound on the outer side surface of the insulating tube, a heating cavity is formed between the heating tube and the insulating tube, one end of the heating cavity is communicated with the water outlet end 22, and the other end of the heating cavity is used as a hot water outlet of the instant water heater.

The utility model discloses an instant heating type water heater adopts the water and electricity separation to heat, and no electric leakage electric shock hidden danger uses safe and reliable in the use: the heat storage heating device uses the heater to be matched with the electromagnetic coil panel, the heat storage medium is heated based on an induction heating mode, and the heater 3 heats through electromagnetic induction and is not electrically connected with a power supply, so that even if water leaks into the shell 1 due to accidental water leakage of the heat exchanger 2, the water cannot be electrified, the use risk of electric shock is avoided, and the use safety is improved; meanwhile, the heating cavity of the electromagnetic heating body 8 is isolated from the electromagnetic induction coil through an insulating pipe, so that water in the heating cavity cannot be electrified, and water and electricity isolation is realized.

In a preferred embodiment, water is used as the heat storage medium for the convenience of users, in this case, the housing 1 is filled with water as the heat storage medium as required, and the heat exchanger 2 is soaked in the water as the heat storage medium in the housing 1, but the water flowing through the heat exchanger 2 and the water as the heat storage medium need to be heated by heat exchange through the heat exchanger 2. The water supply joint 5 adopts a three-way joint.

Particularly, instant heating type water heater still includes solenoid valve 6, feedwell 11 is linked together through solenoid valve 6 and water supply joint 5, be equipped with level sensor in casing 1 and detect the liquid level height of the water as heat-retaining medium in casing 1, instant heating type water heater still includes control circuit board, level sensor and solenoid valve all with control circuit board electric connection, when control circuit board judges the liquid level height in casing 1 through level sensor and is less than the default, control circuit board control solenoid valve switches on, let the cold water at water supply source pass through three way connection and supply water in casing 1 through feedwell 11.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. An instant heating type water heater with low power and large water flow comprises a water inlet joint and a heat storage heating device, wherein the heat storage heating device comprises a water inlet end and a water outlet end, and the water inlet end is communicated with the water inlet joint; the heat storage and heating device is characterized by further comprising an electromagnetic heating body and a thermostatic valve, wherein two water inlet interfaces of the thermostatic valve are respectively communicated with a water outlet end and a water inlet connector of the heat storage and heating device, and a water outlet interface of the thermostatic valve is communicated with a water inlet interface of the electromagnetic heating body.

2. The instant heating type water heater according to claim 1, wherein the electromagnetic heating element comprises a metal heating tube, an insulating tube sleeved on an outer side surface of the metal heating tube, and an electromagnetic induction coil wound on an outer side surface of the insulating tube, a heating cavity is formed between the heating tube and the insulating tube, one end of the heating cavity is communicated with the water outlet end, and the other end of the heating cavity is used as a hot water outlet of the instant heating type water heater.

3. The instantaneous water heater according to claim 1 or 2, characterized in that the heat storage and heating device comprises a casing, a heat storage medium, a heat exchanger, a heater arranged on the casing, and at least one electromagnetic coil panel arranged on the outer side surface of the casing, wherein the heat storage medium and the heat exchanger are both arranged in the casing, the water inlet end and the water outlet end are both arranged with the casing exposed, and the two ends of the heat exchanger are respectively communicated with the water inlet end and the water outlet end.

4. The tankless water heater of claim 3, further characterized in that said heater is made of carbon steel, iron, or stainless iron; the heater is arranged at the bottom of the shell, and the electromagnetic coil panel is arranged on the outer side surface of the bottom of the shell.

5. The tankless water heater of claim 4, wherein the heater is served by the floor of the housing.

6. The tankless water heater of claim 3, further characterized by a pressure relief vent in the top of the housing.

7. The tankless water heater of claim 3, further characterized by a feedwell disposed in said housing.

8. The tankless water heater of claim 7, further characterized in that the heat storage medium is water and the feedwell is in communication with the water inlet connection.

9. The tankless water heater of claim 8, further comprising a solenoid valve, said feedwell being in communication with said water supply connection via said solenoid valve.