CN204478523U - A kind of Two-way Cycle control device of water heater - Google Patents

Abstract

The utility model discloses a kind of Two-way Cycle control device of water heater, the respective outer side edges of its cooling water inlet be provided with by penstock, water output duct, circulation conduit and attemperater, hot water outlet, circulation water inlet, circulating outlet, the cold water of attemperater is made constantly cyclically to carry out heat exchange through heat collector up and down, constantly carry out heat exchange by the heat exchanger cyclically through heat pump body about circulation conduit again simultaneously, Two-way Cycle heat exchange method, continues supplying hot water while improving hydro-thermal efficiency; And in penstock, be embedded with four pipe valve shunting means, by the respective outer side edges of four pipe valve shunting means with the check valve assembly of the water outlet of its water stream channel of installation, effectively prevent the water of outlet pipeline, gas from refluxing, guarantee that the pressure balance in heating water tank, pipeline does not limit by installation site again, easy for installation, effectively increase the service life.

Description

A dual-circulation control device for a water heater

technical field

The utility model relates to the field of control components of heat pump water heaters, in particular to a double-cycle control device for water heaters.

Background technique

At present, among the existing water heaters, there are mainly three types: gas water heaters, electric water heaters and solar water heaters. Gas water heaters need to consume non-renewable gas and cause environmental pollution; electric water heaters need to consume electric energy; with the relative shortage of energy supply, both gas water heaters and electric water heaters will increase the cost of use; while solar water heaters absorb the energy of the sun After conversion, the water in the pipeline on the heat collector is heated to provide hot water for users, which is clean and environmentally friendly, and has low use cost. But most of this solar water heaters are installed on the roof of the highest floor, continuously provide hot water and replenish cold water through pipelines.

However, the solar water heater has many and relatively long connecting pipes between the heat collector, the heat pump heating body and the heat preservation water tank, resulting in large heat loss and inconvenient installation. Moreover, if there is no sun and the natural environment temperature is low, the water in the water pipeline is easy to freeze, seriously affecting the thermal efficiency, and it is difficult to continuously supply hot water; The lack of water in the water pipeline will cause negative pressure in the insulation water tank and the pipeline to cause the heated water in the heating water tank to flow back, thereby damaging the pipeline and electronic components inside the heat pump water heater, and affecting the normal use of the heat pump water heater. When the water heater is turned on, due to the negative pressure in the insulation water tank and the pipeline, the external pressure is too high, and the water flow will quickly flow out along the water inlet pipeline, the insulation water tank, and the water outlet pipeline, and the water flow is unstable. The heating effect of the heat pump water heater will be affected, and the heat pump water heater will be damaged due to too high water flow, which will affect its service life.

In view of the above situation, solar water heaters on the market are equipped with one-way water inlet valve and one-way air inlet valve. Air valves are generally placed externally on the pipeline, with many components, and are easily restricted by the installation location, resulting in inconvenient installation, and are easily damaged by foreign objects, which affects the service life of the one-way intake valve.

Contents of the invention

The purpose of this utility model is to overcome the deficiencies of the prior art, to provide a compact structure, which can improve the efficiency of water heating while continuously supplying hot water, and prevent the backflow of water and air in the water outlet pipeline, and ensure the pressure in the heating water tank and pipeline. The dual cycle control device of the water heater is balanced and not restricted by the installation position, easy to install, and effectively prolongs the service life.

In this regard, a dual-circulation control device for a water heater of the present utility model includes a thermal insulation water tank with a heating liner, a heat collector fitted with the thermal insulation water tank, and a heat pump heating body. The thermal insulation water tank is provided with a water inlet conduit 1. The cold water inlet and the hot water outlet matched with the water outlet conduit are characterized in that: the heat preservation water tank is provided with a circulating water inlet and a circulating water outlet between the cold water inlet and the hot water outlet, and the circulating water inlet and the circulating water outlet are respectively It is connected to the heating body of the heat pump through a circulation conduit. The water inlet conduit is embedded with a four-pipe valve parallel device. The four-pipe valve parallel device is provided with a water flow channel, an inner tank air inlet that communicates with the water flow channel, and a water outlet conduit for air intake. The inlet, the inner circulation port, the air inlet of the inner tank is connected with the heating inner tank through the conduit, the inlet of the water outlet conduit is connected with the outlet conduit through the conduit, the inner circulation port is connected with the circulation conduit, and the water flow channel is connected with the water passage cavity of the water inlet conduit .

Optimized according to the above, the four-pipe valve parallel device is provided with a one-way valve assembly for preventing water and air from flowing backward in the water outlet conduit, and the one-way valve assembly is installed at the water outlet of the water flow channel.

According to the above optimization, the one-way valve assembly includes a one-way water inlet valve and a one-way inlet valve. The valves are respectively arranged at the air inlets of the air inlet of the liner and the air inlet of the water outlet conduit.

According to the above optimization, the thermal insulation water tank is also equipped with a sensor installation port for sensor installation, an electric heating installation port for electric heater installation, a temperature measurement installation port for temperature detector installation, and an overflow conduit connection. Overflow.

According to the above optimization, the cold water inlet, circulating water outlet, overflow port, temperature measuring installation port, electric heating installation port, sensor installation port, circulating water inlet, and hot water outlet are sequentially arranged on the heat preservation water tank from right to left.

To optimize according to the above, at least one electric heating installation port is installed on the thermal insulation water tank.

According to the above optimization, the cold water inlet, circulating water outlet, overflow port, circulating water inlet, and hot water outlet are respectively matched with the water inlet conduit, circulation conduit, overflow conduit, circulation conduit, and water outlet conduit through the outer locking teeth. , and a sealing gasket is installed between them.

According to the above optimization, the circulating conduit is welded inside the circulating water outlet.

According to the above optimization, the temperature measurement installation port is welded with a blind pipe and an internal thread with a locking cap.

According to the above optimization, the overflow port is equipped with a screw cap with a hole matched with the overflow conduit.

The beneficial effect of the utility model is that,

1. Through the structural cooperation of the water inlet conduit, water outlet conduit, circulation conduit and the cold water inlet, hot water outlet, circulation water inlet and circulation outlet on the heat preservation water tank, the cold water entering the heat preservation water tank is continuously circulated up and down through the collection The heat exchange is performed by the heat exchanger, and at the same time, the cold water in the heat preservation water tank is continuously circulated left and right through the heat exchanger of the heat pump heating body for heat exchange through the circulation conduit. Avoid the situation that the water in the water pipeline is easy to freeze when there is no sun and the natural environment temperature is low, so as to ensure continuous hot water supply and the use effect of the water heater;

2. A four-pipe valve parallel device is embedded in the water inlet conduit. The air inlet of the inner tank provided on the four-pipe valve parallel device communicates with the heating inner tank through the conduit, and the air inlet of the outlet conduit connects with the outlet conduit through the conduit. Connected, the internal circulation port is connected with the circulation conduit, and the water flow channel is connected with the water passage cavity of the water inlet conduit, which effectively reduces the installation of pipelines, reduces energy consumption, and reduces the use cost of the water heater. It has a compact structure and is not limited by the installation location. Easy to install and effectively prolong the service life;

3. One-way water inlet valves are respectively embedded in the water outlet end of the water flow channel and the water inlet end of the internal circulation port through the four-pipe valve parallel device, and the air inlet ports of the inner tank air inlet and the water outlet conduit air inlet are also respectively embedded. Embedded with a one-way air intake valve, it can effectively relieve the high pressure in the thermal insulation water tank and pipeline, ensure the pressure balance in the thermal insulation water tank and pipeline, and prevent water backflow, protect the heat pump water heater, and avoid The speed of water flow is affected by the negative pressure to ensure stable water flow, realize continuous water supply, and improve the use effect of the water heater.

Description of drawings

Fig. 1 is a schematic structural view of a preferred embodiment of the present invention.

Fig. 2 is a schematic cross-sectional view of an insulated water tank of a preferred embodiment of the present invention.

Fig. 3 is a structural schematic diagram of a four-pipe valve parallel device in a preferred embodiment of the present invention.

Detailed ways

The utility model will be further described below in conjunction with the accompanying drawings. Figures 1 to 3 show an embodiment of the utility model. The dual-cycle control device for the water heater includes a thermal insulation water tank 1 with a heating inner tank and a thermal insulation tank 1 adapted to be installed in the thermal insulation tank. The heat collector 2 and the heat pump heating body 3 on the water tank 1 are provided with a cold water inlet 6 and a hot water outlet 7 matched with the water inlet conduit 4 and the water outlet conduit 5 . Wherein, the heat preservation water tank 1 is provided with a circulating water inlet 8 and a circulating water outlet 18 between the cold water inlet 6 and the hot water outlet 7, and the circulating water inlet 8 and the circulating water outlet 18 respectively pass through the circulating conduit 10 and the heat pump heating body. 3 connections. That is, during operation, the cold water entering the thermal insulation water tank 1 continuously circulates up and down and passes through the heat collector 2 for heat exchange. At the same time, the cold water in the thermal insulation water tank 1 is continuously circulated left and right through the circulation conduit 10 and passes through the heat exchanger of the heat pump heating body 3 for heat exchange. This double-cycle heat exchange method effectively improves the thermal efficiency of the water heater, and effectively avoids the situation that the water in the water pipeline is easy to freeze when there is no sun and the natural environment temperature is low, ensuring continuous hot water supply and ensuring the use of the water heater Effect.

Referring to Fig. 1 and shown in Fig. 2, the sensor installation port 13 for sensor installation, the electric heating installation port 14 for the electric heater installation, and the temperature measurement installation port 15 for the temperature detector installation are also equipped on the thermal insulation water tank 1. And the overflow port 16 that is connected with the overflow conduit 17 . The cold water inlet 6, the circulating water outlet 18, the overflow port 16, the temperature measuring installation port 15, the electric heating installation port 14, the sensor installation port 13, the circulating water inlet 8, and the hot water outlet 7 are arranged in the heat preservation water tank 1 in order from right to left superior. In this way, the use effect of the water heater is ensured. Wherein, at least one electric heating installation port 14 is installed on the thermal insulation water tank 1 . The electric heating installation port 14 can be distributed on the upper end and the lower end in the thermal insulation water tank 1, so as to enhance the thermal efficiency of the water heater and ensure continuous supply of hot water.

In addition, the cold water inlet 6, the circulating water outlet 18, the overflow port 16, the circulating water inlet 8, and the hot water outlet 7 pass through the outer locking teeth and the water inlet conduit 4, the circulating conduit 10, the overflow conduit 17, and the circulating conduit respectively. 10. The water outlet conduits 5 are matched and installed, and sealing gaskets are installed between them. Strengthen the tightness of use to avoid water leakage. Wherein, the circulation conduit 10 is welded on the circulation outlet 18, a blind pipe is welded in the temperature measuring installation port 15 and an inner tooth with a lock cap is installed, and the overflow port 16 is equipped with an overflow conduit 17. Nuts with holes for installation. The compact structure enhances the stability of the water heater.

Referring to Fig. 1 and Fig. 3, the water inlet conduit 4 is embedded with a four-pipe valve parallel device 9, which is not limited by the installation position, is easy to install, and effectively prolongs the service life. Wherein, the four-pipe valve parallel device 9 is provided with a water flow channel 91 and an inner tank air inlet 92 communicating with the water flow channel 91 , an air inlet 93 of a water outlet conduit, and an internal circulation port 94 . The inner bag air inlet 92 communicates with the heating inner bag through a conduit, the water outlet conduit air inlet 93 communicates with the water outlet conduit 5 through a conduit, the inner circulation port 94 is connected with the circulation conduit 10, and the water flow channel 91 is connected with the water inlet conduit 4. cavities connected. The structure is compact, which effectively reduces the setting of pipelines, reduces energy consumption, and reduces the use cost of water heaters.

Referring to FIG. 3 , the four-pipe valve parallel device 9 is provided with a one-way valve assembly to prevent water and air from flowing backward in the water outlet conduit 5 , and the one-way valve assembly is installed at the water outlet of the water flow channel 91 . In practical application, the one-way valve assembly includes a one-way water inlet valve 11 and a one-way inlet valve 12 . The one-way water inlet valve 11 is respectively arranged on the water outlet end of the water flow channel 91 and the water inlet end of the internal circulation port 94, and the one-way inlet valve 12 is respectively arranged on the air inlet of the inner tank air inlet 92 and the water outlet conduit air inlet 93. end. It can relieve the high pressure in the insulation water tank 1 and the pipeline, ensure the pressure balance in the insulation water tank 1 and the pipeline, and effectively prevent the phenomenon of water backflow, protect the heat pump water heater, and avoid the influence of negative pressure on the water flow rate , to ensure stable water flow, achieve continuous water supply, and improve the use effect of the water heater.

The specific embodiments above are only specific implementations with better effects of the utility model, and any double-cycle control device for a water heater with the same or equivalent structure as the present invention is within the scope of protection of the present application.

Claims (10)

1. A dual-cycle control device for a water heater, comprising an insulated water tank (1) with a heating liner, a heat collector (2) adapted to be installed on the insulated water tank (1), and a heat pump heating body (3). The heat preservation water tank (1) is equipped with a cold water inlet (6) and a hot water outlet (7) matched with the water inlet conduit (4) and the water outlet conduit (5). The circulating water inlet (8) and the circulating water outlet (18) between the cold water inlet (6) and the hot water outlet (7), the circulating water inlet (8) and the circulating water outlet (18) respectively pass through the circulating conduit (10) Connected with the heat pump heating body (3), the water inlet conduit (4) is embedded with a four-pipe valve parallel device (9), and the four-pipe valve parallel device (9) is provided with a water flow channel (91) and a water flow channel (91) Intercommunicating inner tank air inlet (92), water outlet conduit air inlet (93), internal circulation port (94), inner tank air inlet (92) communicates with the heating inner tank through a conduit, and the water outlet conduit intake air The port (93) communicates with the water outlet conduit (5) through a conduit, the internal circulation port (94) connects with the circulation conduit (10), and the water flow channel (91) communicates with the water cavity of the water inlet conduit (4). 2. The dual-cycle control device for water heaters according to claim 1, characterized in that: the four-pipe valve parallel device (9) is provided with a one-way valve assembly for preventing backflow of water and air in the water outlet conduit (5), The one-way valve assembly is installed at the water outlet of the water flow channel (91). 3. The double cycle control device for water heater according to claim 2, characterized in that: the one-way valve assembly includes a one-way water inlet valve (11), a one-way water inlet valve (12), a one-way water inlet valve ( 11) Set respectively at the water outlet end of the water flow channel (91) and the water inlet end of the internal circulation port (94), and the one-way air intake valve (12) is respectively set at the air inlet of the inner tank (92) and the air inlet of the water outlet conduit Intake end of (93). 4. The double cycle control device for water heater according to claim 1, characterized in that: the thermal insulation water tank (1) is also equipped with a sensor installation port (13) for sensor installation, an electric heating installation for electric heater installation Port (14), temperature measuring installation port (15) for temperature detector installation and overflow port (16) for connecting with overflow conduit (17). 5. The dual cycle control device for water heater according to claim 4, characterized in that: the cold water inlet (6), the circulating water outlet (18), the overflow port (16), the temperature measuring installation port (15), the electric The heating installation port (14), the sensor installation port (13), the circulating water inlet (8), and the hot water outlet (7) are sequentially arranged on the heat preservation water tank (1) from right to left. 6. The dual-circulation control device for water heater according to claim 4, characterized in that: at least one electric heating installation port (14) is installed on the thermal insulation water tank (1). 7. The dual cycle control device for water heater according to claim 4, characterized in that: the cold water inlet (6), the circulating water outlet (18), the overflow port (16), the circulating water inlet (8), the hot water The outlet (7) is matched with the water inlet conduit (4), the circulation conduit (10), the overflow conduit (17), the circulation conduit (10), and the water outlet conduit (5) through the outer locking teeth, and they are matched with each other. Gaskets are installed between them. 8. The double circulation control device of the water heater according to claim 4, characterized in that a circulation conduit (10) is welded inside the circulation water outlet (18). 9. The dual-circulation control device for a water heater according to claim 4, characterized in that: said temperature measuring installation port (15) is welded with a blind pipe and an inner thread with a locking wire cap. 10. The dual-circulation control device for water heater according to claim 4, characterized in that: the overflow port (16) is equipped with a nut with holes matched with the overflow conduit (17).