CN211823113U

CN211823113U - Instant electric water heater with self-suction function

Info

Publication number: CN211823113U
Application number: CN202020323967.4U
Authority: CN
Inventors: 龚敬强; 黄钜文
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-16
Filing date: 2020-03-16
Publication date: 2020-10-30
Anticipated expiration: 2030-03-16

Abstract

The utility model discloses an instant electric water heater with self-priming function, which comprises a shell, a water inlet of the water heater and a water outlet of the water heater, wherein a heater is arranged in the shell, the water outlet of the heater is connected with the water outlet of the water heater through a water outlet pipe of the heater, a self-priming pump is arranged in the shell, centrifugal booster pump and electrical system, the self priming pump is equipped with self priming pump water inlet and self priming pump delivery port, centrifugal booster pump is equipped with booster pump water inlet and booster pump delivery port, the heater water inlet passes through the heater water piping connection with the booster pump delivery port, the booster pump water inlet passes through the self priming pump water piping connection with the self priming pump delivery port, the self priming pump water inlet passes through the self priming pump water piping connection with the water heater water inlet, the self priming pump inlet tube is equipped with flow sensor, electrical system is connected with flow sensor electricity, electrical system control connection self priming pump, centrifugal booster pump and. The utility model discloses can initiatively intake, thereby the utility model discloses can heat the water in the bathtub, adaptability is wide.

Description

Instant electric water heater with self-suction function

Technical Field

The utility model relates to a water heater technical field, concretely relates to instant heating type electric water heater with from inhaling function.

Background

At present, electric water heaters in the market are mainly divided into two categories, one is a water storage type electric water heater, and the other is an instant heating type electric water heater. The instant electric water heater is provided with a heater, an electric heating body is arranged in the heater, water flows through the heater and exchanges heat with the electric heating body, and the instant electric water heater is called as 'instant heating' because the instant electric water heater has higher power and can heat cold water flowing through the heater to bath temperature in a short time. At present, the instant electric water heater on the market is used for heating tap water, and tap water flows through a heater of the instant electric water heater by the water pressure of the tap water, that is, the instant electric water heater in the prior art is passively fed with water. The instant electric water heater in the prior art cannot actively feed water, for example, when water in a bathtub needs to be heated, the water in the bathtub cannot automatically flow into the instant electric water heater and then flow back into the bathtub, so the instant electric water heater in the prior art cannot heat the water in the bathtub, and the instant electric water heater in the prior art needs to be improved.

Disclosure of Invention

An object of the utility model is to overcome prior art's not enough, provide an instant heating type electric water heater with from inhaling function, it can initiatively intake, and adaptability is wide.

The purpose of the utility model is realized by the following technical scheme.

The utility model discloses an instant electric water heater with self-absorption function, which comprises a shell, a water heater water inlet and a water heater water outlet, wherein a heater is arranged in the shell, the heater is provided with a heater water inlet and a heater water outlet, the heater water outlet is connected with the water heater water outlet through a heater water outlet pipe, wherein, a self-absorption pump, a centrifugal booster pump and an electric control system are arranged in the shell, the self-absorption pump is provided with a self-absorption pump water inlet and a self-absorption pump water outlet, the centrifugal booster pump is provided with a booster pump water inlet and a booster pump water outlet, the heater water inlet is connected with the booster pump water outlet through a heater water inlet pipe, the booster pump water inlet is connected with the self-absorption pump water, the self priming pump inlet tube is equipped with flow sensor, electrical system with the flow sensor electricity is connected, electrical system control connection the self priming pump centrifugal booster pump reaches the heater.

Preferably, the self-priming pump is a direct current electric diaphragm pump.

Preferably, the centrifugal booster pump is a dc brushless centrifugal water pump.

Preferably, the heater is an aluminium die-cast electric heater.

Compared with the prior art, the utility model, its beneficial effect is: be equipped with self priming pump, centrifugal booster pump and electrical system in the casing, heater water inlet passes through heater water piping connection with the booster pump delivery port, and the booster pump water inlet passes through self priming pump water piping connection with the self priming pump delivery port, and self priming pump water inlet passes through self priming pump water piping connection with the water heater water inlet, and the self priming pump inlet tube is equipped with flow sensor, and electrical system is connected with the flow sensor electricity, and electrical system control connection self priming pump, centrifugal booster pump and heater combine centrifugal booster pump, make through setting up the self priming pump the utility model discloses can initiatively intake, thereby the utility model discloses can heat the water in the bathtub, adaptability is wide.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Description of reference numerals: 1-a shell; 2-a heater; 201-heater water inlet; 202-heater water outlet; 3-water outlet pipe of heater; 4-water inlet pipe of heater; 5-a self-priming pump; 501-water inlet of self-priming pump; 502-self-priming pump water outlet; 6-water inlet pipe of self-priming pump; 7-a water outlet pipe of the self-priming pump; 8-water heater water inlet; 9-a flow sensor; 10-centrifugal booster pump; 1001-booster pump water inlet; 1002-a water outlet of the booster pump; 11-an electronic control system; 12-water outlet of water heater.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

The utility model discloses an instant heating type electric water heater with from inhaling function, as shown in fig. 1, including casing 1, water heater water inlet 8 and water heater delivery port 12. External threads for connecting an external water pipe are formed at the water inlet 8 and the water outlet 12 of the water heater. The heater 2 is arranged in the shell 1, and the heater 2 is provided with a heater water inlet 201 and a heater water outlet 202. The heater 2 is the prior art, the heater 2 can be the same as the heater principle of the instant electric water heater on the market, and the main function of the heater 2 is to heat the water flowing through the heater 2. The heater water outlet 202 is connected with the water outlet 12 of the water heater through a heater water outlet pipe 3.

Be equipped with self priming pump 5, centrifugal booster pump 10 and electrical system 11 in the casing 1, self priming pump 5 is equipped with self priming pump water inlet 501 and self priming pump delivery port 502, and self priming pump 5 is prior art's water pump that has self priming function, and self priming pump 5 can set up in the place higher than the liquid level promptly, and the inlet channel of self priming pump 5 still can realize drawing water under the condition that has air. The centrifugal booster pump 10 is provided with a booster pump water inlet 1001 and a booster pump water outlet 1002, the centrifugal booster pump 10 is in the prior art, the centrifugal booster pump 10 is a centrifugal pump, so the centrifugal booster pump can operate for a long time, and has the characteristics of relatively large flow and high efficiency, but before the centrifugal pump operates, the pump cavity and the water inlet pipeline of the centrifugal pump need to be filled with water.

Heater water inlet 201 passes through heater inlet tube 4 with booster pump delivery port 1002 to be connected, and booster pump water inlet 1001 passes through self priming pump outlet pipe 7 with self priming pump delivery port 502 to be connected, and self priming pump water inlet 501 passes through self priming pump inlet tube 6 with water heater water inlet 8 and is connected.

Self priming pump inlet tube 6 is equipped with flow sensor 9, and electrical system 11 is connected with flow sensor 9 electricity, and electrical system 11 control connection self priming pump 5, centrifugal booster pump 10 and heater 2. The flow sensor 9 is a prior art, the flow sensor 9 may be specifically a hall effect type flow sensor, such a flow sensor is mainly provided with a water flow rotor assembly and a hall element, the water flow drives the water flow rotor to rotate, and the permanent magnet on the water flow rotor blade enables the hall element to generate an electric signal corresponding to the rotating speed of the water flow rotor. The flow sensor 9 can provide an electric signal corresponding to the water flow of the water inlet pipe 6 of the self-priming pump to the electric control system 11, the electric control system 11 is in the prior art, and the main function of the electric control system is to control the starting or stopping of the self-priming pump 5, the centrifugal booster pump 10 and the heater 2 according to the signal of the flow sensor 9.

The working principle of the present invention is explained as follows: the water heater inlet 8 is connected to an external water pipe, which is connected to the water heater inlet 8 and must be inserted below the bath level. The water outlet 12 of the water heater is connected with and provided with another external water pipe, the pipe orifice of the external water pipe connected with the water outlet 12 of the water heater can be arranged above the liquid level of the bathtub, and only the hot water can flow back into the bathtub. Start the utility model discloses afterwards, the operation of 5 at first control self priming pumps of electrical system 11, water in the bathtub is taken out to self priming pump 5, rivers have been full of self priming pump inlet tube 6, the pump chamber of self priming pump outlet pipe 7 and centrifugal booster pump 10, when discharge that flow sensor 9 detected reached centrifugal booster pump 10's permission start-up flow value, electrical system 11 controls centrifugal booster pump 10 start-up operation, electrical system 11 controls self priming pump 5 stop operation immediately and opens heater 2, then centrifugal booster pump 10 constantly with the water suction in the bathtub in to heater 2, electrical system 11 stops self priming pump 5's purpose is to avoid the long-time use of self priming pump 5 and damage. After the heater 2 heats the water flow, the water flow flows back to the bathtub from the water outlet 12 of the water heater. The utility model discloses a combine the centrifugal booster pump 10 that the flow is big and the durability is good to have from the self priming pump 5 of inhaling the function, realized initiatively intaking, do not have under the condition of water pressure at water heater water inlet 8 promptly, still can initiatively draw water, moreover can with the utility model discloses the setting is in the place that is higher than the liquid level, and is convenient the utility model discloses arrange the installation. From the foregoing, the utility model discloses can heat the water in the bathtub, when winter, the people bathes in the bathtub, and the temperature in the bathtub descends very fast, through using the utility model discloses, can make the water in the bathtub heat up, make the people feel comfortable.

When the utility model discloses a when water heater water inlet 8 connects the running water pipe use, promptly the utility model discloses when needing to realize ordinary water heater's function, self priming pump 5 and centrifugal booster pump 10 can keep the stop state, and the running water flows through self priming pump 5 and centrifugal booster pump 10 by self water pressure, gets into heater 2 then, flows out from water heater delivery port 12 again. The utility model discloses also not be limited to and use in the bathtub occasion, for example the fish bowl, occasions such as pond also can use the utility model discloses, it is visible, compare prior art's instant heating type electric water heater, the utility model discloses an adaptability is wider.

Further, self priming pump 5 is the electronic diaphragm pump of direct current, the electronic diaphragm pump of direct current is prior art, the electronic diaphragm pump of direct current is small, use voltage generally is 24V, the electronic diaphragm pump of direct current uses the pressure boost occasion at the water purifier at present, the electronic diaphragm pump of direct current does not need to irritate water in advance before the operation, the pump chamber and the inlet channel of the electronic diaphragm pump of direct current do not have under the condition of water completely, the electronic diaphragm pump of direct current still can be taken out water after opening the operation, because the electronic diaphragm pump of direct current can idle running discharge its air in the inlet channel, form the negative pressure in the inlet channel, then water in the bathtub will get into the pump intracavity of the electronic diaphragm pump of direct current under the effect of atmospheric pressure. Some centrifugal pumps also have self-priming function, called as "self-priming centrifugal pumps", the main characteristic of this kind of centrifugal pumps is to have a gas-water separation chamber, the working principle of the self-priming centrifugal pump is that before the self-priming centrifugal pump runs, a certain amount of water is stored in the pump cavity, after the self-priming centrifugal pump is started, the air and water are fully mixed due to the rotation of the impeller and discharged to the gas-water separation chamber, the gas on the upper part of the gas-water separation chamber escapes, the water on the lower part returns to the impeller and is mixed with the residual gas in the suction pipeline of the self-priming centrifugal pump again until the gas in the pump cavity and the water inlet pipeline of the self-priming centrifugal pump is completely discharged. However, before the self-priming centrifugal pump operates, a certain amount of water must be contained in the pump cavity of the self-priming centrifugal pump, and after the self-priming centrifugal pump is not used for a long time, the water in the pump cavity of the self-priming centrifugal pump is evaporated, so that a proper amount of water needs to be manually injected into the pump cavity of the self-priming centrifugal pump again. As can be seen by comparison, the direct current electric diaphragm pump is more convenient and practical, so the direct current electric diaphragm pump is preferred.

Further, the centrifugal booster pump 10 is a dc brushless centrifugal water pump. The DC brushless centrifugal water pump is characterized in that a brushless DC motor drives a impeller, and compared with a DC brushed centrifugal water pump, the DC brushless centrifugal water pump has the advantages of high efficiency, durability and small noise.

To sum up, centrifugal booster pump 10 has compensatied the characteristic that the self priming pump 5 flow is little and inefficiency, and self priming pump 5 has compensatied centrifugal booster pump 10 again and has not had the characteristic of inhaling the function from, the utility model discloses organically combined advantage between them.

Further, the heater 2 is an aluminum die-cast electric heater. The aluminum die-casting electric heater is the prior art, and some instant electric water heaters on the market at present also adopt the heater with the structure. The heater of traditional instant heating type electric water heater has the less water cavity that holds of volume, holds and is equipped with the heating tube in the water cavity, and the material of heating tube is the stainless steel, and there is the heating wire heating tube inside, and rivers are through holding the water cavity and contacting with the heating tube, and rivers just are heated, but the heating tube is long-term to be used to have the possibility of being corroded and the perforation appears, in case the stainless steel heating tube is perforated, rivers are then electrified, can cause the injury to the people. Aluminium die-casting electric heater has the heating tube and the stainless steel water pipe of circuitous setting, aluminium die-casting electric heater's the inside heating wire that also has of heating tube, the heating wire passes through the magnesium oxide filler and is insulating with the heating tube, mode through die-casting, make the aluminium material closely wrap up heating tube and stainless steel water pipe and form the aluminium pig, when the heating tube intensifies, the aluminium pig is heated the intensification simultaneously, the heat transmits the stainless steel water pipe then, make the hydrothermal of stainless steel water pipe of flowing through, aluminium die-casting electric heater makes water and heating wire further keep apart, because the heating tube does not contact with water, so the heating tube wall can not corrode the damage, so can avoid the electric leakage to hinder the people. It can be seen through the contrast, the utility model discloses a heater 2 preferably adopts aluminium die-casting electric heater structure.

Claims

1. The utility model provides an instant heating type electric water heater with from inhaling function, includes casing (1), water heater water inlet (8) and water heater delivery port (12), be equipped with heater (2) in casing (1), heater (2) are equipped with heater water inlet (201) and heater delivery port (202), heater delivery port (202) with water heater delivery port (12) are connected its characterized in that through heater outlet pipe (3): be equipped with self priming pump (5), centrifugal booster pump (10) and electrical system (11) in casing (1), self priming pump (5) are equipped with self priming pump water inlet (501) and self priming pump delivery port (502), centrifugal booster pump (10) are equipped with booster pump water inlet (1001) and booster pump delivery port (1002), heater water inlet (201) with booster pump delivery port (1002) are connected through heater inlet tube (4), booster pump water inlet (1001) with self priming pump delivery port (502) are connected through self priming pump outlet pipe (7), self priming pump water inlet (501) with water heater water inlet (8) are connected through self priming pump inlet tube (6), self priming pump inlet tube (6) are equipped with flow sensor (9), electrical system (11) with flow sensor (9) electricity is connected, electrical system (11) control connection self priming pump (5), The centrifugal booster pump (10) and the heater (2).

2. The instant electric water heater with self-priming function as claimed in claim 1, characterized in that: the self-priming pump (5) is a direct current electric diaphragm pump.

3. The instant electric water heater with self-priming function as claimed in claim 1, characterized in that: the centrifugal booster pump (10) is a direct-current brushless centrifugal water pump.

4. The instant electric water heater with self-priming function as claimed in claim 1, characterized in that: the heater (2) is an aluminum die-casting electric heater.