CN216897826U

CN216897826U - Carefree air energy water heating system

Info

Publication number: CN216897826U
Application number: CN202122697504.1U
Authority: CN
Inventors: 黄少安; 黄展阳
Original assignee: Foshan Heshi Electric Appliance Co ltd
Current assignee: Foshan Heshi Electric Appliance Co ltd
Priority date: 2021-11-05
Filing date: 2021-11-05
Publication date: 2022-07-05
Anticipated expiration: 2031-11-05

Abstract

The utility model relates to a carefree air energy hot water system which comprises an air energy water heater, a heat preservation water tank and a water supply system, wherein the top end of the heat preservation water tank is provided with a water replenishing port, an air exhaust port and a water return port, the water replenishing port is connected with a tap water system through a pipeline, the water return port is connected with a water return pipeline, the side surface of the heat preservation water tank is provided with an upper circulation port and a lower circulation port, the water inlet end of the air energy water heater is connected with the lower circulation port of the heat preservation water tank, the water outlet end of the air energy water heater is connected with the upper circulation port of the heat preservation water tank, the side surface of the heat preservation water tank is provided with a water outlet, the water outlet is connected with the water supply system through a pipeline, the water return pipeline is a PPR foaming pipe, and the thickness of a foaming layer of the PPR foaming pipe is not less than 15 mm. The fault rate of the hot water system is reduced by improving the hole position of the heat preservation water tank, and the heat lost by hot water in a water return pipeline made of heat preservation materials is reduced through the water return pipeline made of heat preservation materials, so that the hot water temperature in the water tank is maintained in an assisted manner.

Description

Carefree air energy water heating system

Technical Field

The utility model relates to the technical field of hot water systems, in particular to a carefree air energy hot water system.

Background

In recent years, air can be used as a new-generation water heater, and the characteristics of environmental protection, energy conservation, safety, convenience and the like are rapidly popularized in a hot water market. The air energy water heating system on the market is installed unevenly at present, a plurality of unreasonable installation methods exist, the fault rate is high, the water temperature is unstable, people solve the problem of unstable water temperature through schemes such as large and small water tanks, constant temperature water replenishing and floater water intaking, but the effect is irrational, so that various manufacturers can release second generation direct heating circulating air energy water heaters at a time, and the method also has the following defects: one is that the system preferentially produces water for recycling when the water level is insufficient, and the circulating heating can be started only when the water level reaches the set water level and the water temperature is insufficient, so that the main machine cannot take into account the problems of heating and water replenishing when the water level is low and the water temperature is insufficient; the other is that the evaporator is easy to frost when the system produces water in winter, which affects the production of hot water, because the ambient temperature and the tap water temperature are both low in winter, and the system temperature and the pressure are in direct proportion according to the refrigeration principle, the evaporation temperature is low at the moment, the low pressure is low, which causes the system to easily frost, which affects the heating capacity, so many teachers are busy with the system defrosting in winter.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides an air energy hot water system without worry, which reduces the failure rate of a hot water system by improving the hole position of a heat preservation water tank, and helps to maintain the temperature of hot water in the water tank by reducing the heat lost by hot water in a water return pipeline made of heat preservation materials.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a carefree air can hot-water heating system, includes air can water heater, holding water box and water supply system, moisturizing mouth gas vent and return water mouth have been seted up on holding water box's top, the moisturizing mouth passes through pipeline and running water headtotail, the return water mouth is connected with return water pipeline, holding water box's side is provided with upper circulation mouth and lower circulation mouth, the air can water heater intake end with lower circulation mouth is connected, the air can water heater the play water end with upper circulation mouth is connected, the delivery port has been seted up to the holding water box side, the delivery port pass through the pipeline with water supply system connects, return water pipeline is the PPR foaming pipe, the foaming layer thickness of PPR foaming pipe is not less than 15 mm.

Preferably, the water return pipeline is provided with an electromagnetic valve, two ends of the electromagnetic valve are provided with a bypass pipeline, and the bypass pipeline is provided with a gate valve.

Preferably, a water temperature detection port is formed in the side face of the heat preservation water tank, the height of the water temperature detection port is larger than that of the lower circulation port and is lower than that of the water outlet, and a temperature sensor is installed in the water temperature detection port.

Preferably, the top end of the heat preservation water tank is provided with an access hole and an exhaust hole, the bottom of the side face of the heat preservation water tank is provided with a drain outlet, and the drain outlet is connected with a drain pipeline.

Preferably, a Y-shaped filter, a water pump and a gate valve are arranged on a pipeline between the water inlet end of the air energy water heater and the lower circulation port.

Preferably, the water supply system comprises a control box and two water supply pipes connected in parallel, one end of each of the two water supply pipes is connected with the water outlet, a first water supply pump and a second water supply pump are respectively arranged on the two water supply pipes, a time controller SK and a contactor are arranged in the control box, the contactor is respectively in circuit connection with the first water supply pump and the second water supply pump, the time controller SK is in circuit connection with the contactor, a first change-over switch SA1 and a second change-over switch SA2 are arranged in the control box, the first change-over switch SA1 is respectively in circuit connection with the time controller SK and the second change-over switch SA2, and the second change-over switch SA2 is in signal connection with the contactor.

Preferably, an electric heating port is formed in the side face of the heat preservation water tank, a heating pipe is inserted into the electric heating port and connected with the contactor circuit, a temperature control switch WK is arranged in the control box and connected with the contactor circuit.

Preferably, the first transfer switch SA1 and the second transfer switch SA2 are manual transfer switches.

Preferably, the water supply pipe is provided with a check valve and a gate valve.

Preferably, a floating ball is arranged in the heat preservation water tank and connected with the water replenishing port in the heat preservation water tank.

The utility model has the beneficial effects that:

1. according to the utility model, the water return pipeline made of the PPR foaming pipe reduces heat dissipated by hot water in the water return pipeline, reduces energy consumption, reduces the working time of the air energy water heater, prolongs the service life, and can ensure hot water supply for users;

2. a set of heating pipes is added for auxiliary heating, when the air energy water heater is damaged and cannot be repaired in time, the water in the heat preservation water tank is preserved through the heating pipes, and the situation that a user does not use hot water is avoided;

3. bypass pipeline is installed all the way at return water pipeline solenoid valve both ends, does not have the return water when avoiding the solenoid valve to damage, influences the hot water and uses.

Drawings

FIG. 1 is a schematic structural view of an air energy hot water system of the present invention;

FIG. 2 is a schematic structural diagram of the heat preservation water tank of the utility model;

FIG. 3 is a schematic block diagram of the water supply circuit of the present invention;

fig. 4 is a circuit diagram of the control box of the present invention.

Shown in the figure: 1-an air energy water heater; 11-a water pump; a 12-Y strainer; 2-a heat preservation water tank; 21-upper circulation port; 22-lower circulation port; 23-water replenishing port; 24-an exhaust port; 25-a water return port; 26-water temperature detection port; 27-a water outlet; 28-electric heating port; 29-a sewage draining outlet; 291-sewage draining pipeline; 210-a service port; 211-a floating ball; 31-a water return pipe; 32-solenoid valves; 33-a bypass conduit; 41-water supply pipe; 411 — first water supply pump; 412-a second water supply pump; 413-check valve; 42-a control box; 43-a contactor; 44-heating tube.

Detailed Description

As shown in fig. 1 to 4, an embodiment of the present invention provides an easy air energy water heating system, which includes an air energy water heater 1, a holding water tank 2 and a water supply system.

The top end of the heat preservation water tank 2 is provided with a water replenishing port 23, a water return port 25, an overhaul port 210 and an exhaust port 24, the water replenishing port 23 is connected with a tap water system through a water replenishing pipeline, tap water is replenished through the water replenishing port 23, the water replenishing pipeline is provided with a gate valve for opening and closing, the water return port 25 is connected with an underground pipe network through a water return pipeline 31, hot water which is not used up is conveyed into the heat preservation water tank 2 again for storage, the water return pipeline 31 is provided with an electromagnetic valve 32, the exhaust port 24 is used for balancing gas in the heat preservation water tank 2 to avoid the internal gas from generating positive pressure or negative pressure, the distance between the overhaul port 210 and the water replenishing port 23 is 100mm, and a maintenance floating ball 211 is conveniently installed in the heat preservation water tank 2; an upper circulation port 21 is formed in the upper portion of the side face of the heat preservation water tank 2, a lower circulation port 22 is formed in the lower portion of the side face of the heat preservation water tank 2, the upper circulation port 21 and the lower circulation port 22 are located on the same vertical straight line, the water inlet end of the air energy water heater 1 is connected with the lower circulation port 22 of the heat preservation water tank 2, the water outlet end of the air energy water heater 1 is connected with the upper circulation port 21 of the heat preservation water tank 2, a water outlet 27 is formed in the side face of the heat preservation water tank 2, and the water outlet 27 is connected with a water supply system through a pipeline. A water temperature detection port 26 is formed in the side surface of the heat preservation water tank 2, the height of the water temperature detection port 26 is larger than that of the lower circulation port 22, the height of the water temperature detection port 26 is lower than that of the water outlet 27, a temperature sensor can be placed in the water temperature detection port 26, the temperature of hot water in the heat preservation water tank 2 is detected through the temperature sensor, some hot water systems are provided with unreasonable water tank opening positions, the water temperature detection port 26 is arranged at a position higher than the water outlet 27, so that the water level is reduced to the water outlet 27, the temperature of air is detected by a probe of the temperature sensor, the probe of the temperature sensor cannot detect the water temperature in time, a host is dried, the heating pipe 44 is cracked, electric leakage and the like are caused, and the lower circulation port 22 of some hot water systems is positioned on the same horizontal plane as the water outlet 27, so that air enters a circulation pump when the water level is reduced to the water outlet 27, causing a high-pressure failure, the water outlet port 27, the water temperature detection port 26, and the lower circulation port 22 are set from high to low. The bottom of the heat preservation water tank 2 is provided with a drain 29, the drain 29 is connected with a sewage treatment system through a sewage pipe 291, and the sewage pipe 291 is provided with a gate valve.

Wherein, return water pipe 31 is the PPR foaming pipe, the foaming layer thickness of PPR foaming pipe is not less than 15 mm. The heat preservation is carried out to the hot water in the return water pipe 31 through the PPR foaming pipe, avoids hot water to scatter and disappear too much heat in the recovery process, avoids the temperature in the holding water box 2 after the return water to descend too fast, reduces the operating time of the air energy water heater 1, increases life.

And, be provided with solenoid valve 32 on the return water pipeline 31, through the switch of solenoid valve 32 control return water pipeline 31, solenoid valve 32 both ends are provided with bypass pipeline 33 all the way, be provided with the gate valve on the bypass pipeline 33, if solenoid valve 32 damages, can carry out the return water through opening bypass pipeline 33's gate valve, avoid because solenoid valve 32 damages to lead to not having the return water, influence hot water and use.

Further, a Y-shaped filter 12, a water pump 11 and a gate valve are arranged on a pipeline between the water inlet end of the air energy water heater 1 and the lower circulation port 22 of the heat preservation water tank 2. Water at the bottom of the heat preservation water tank 2 is pumped out from a lower circulation port 22 of the heat preservation water tank 2 through the water pump 11, and the water enters the heat preservation water tank 2 again from an upper circulation port 21 after being heated by the air energy water heater 1, so that tap water in the heat preservation water tank 2 is heated, and the water is filtered by the Y-shaped filter 12, and the water quality is improved.

The water supply system comprises a control box 42 and two water supply pipes 41 connected in parallel, one end of each of the two water supply pipes 41 is connected with the water outlet 27, a first water supply pump 411 and a second water supply pump 412 are respectively arranged on the two water supply pipes 41, a time controller SK and a contactor 43 are arranged in the control box 42, the contactor 43 is respectively in circuit connection with the first water supply pump 411 and the second water supply pump 412, the time controller SK is in circuit connection with the contactor 43, a first change-over switch SA1 and a second change-over switch SA2 are arranged in the control box 42, the first change-over switch SA1 is respectively in circuit connection with the time controller SK and the second change-over switch SA2, and the second change-over switch SA2 is in signal connection with the contactor 43.

Further, an electric heating port 28 is formed in the side face of the heat preservation water tank 2, a heating pipe 44 is inserted into the electric heating port 28, the heating pipe 44 is in circuit connection with the contactor 43, a temperature control switch WK is arranged in the control box 42, and the temperature control switch WK is in circuit connection with the contactor 43.

Further, the first and second switches SA1 and SA2 are manual switches.

Further, a check valve 413 and a gate valve are provided to the water supply pipe 41.

As shown in fig. 3 to 4, a single-pole switch QF is provided in the control box 42, one end of the single-pole switch QF is connected to the live line L, the other end of the single-pole switch QF is respectively connected to the temperature control switch WK and the first changeover switch SA1, the temperature control switch WK is connected to a contactor coil C3, the first changeover switch SA1 is respectively connected to a second changeover switch SA2 and a time controller SK, the time controller SK is respectively connected to a contactor coil C1 and a contactor coil C2, the second changeover switch SA2 is respectively connected to the contactor coil C1 and the contactor coil C2, the contactor coils C1, C2 and C3 are respectively electrically connected to the first water supply pump 411, the second water supply pump 412 and the heat generating pipe 445, and a contactor contact C1 is provided between the first changeover switch SA1 and the normally closed contactor coil C2.

The control principle of the system is that when the first water supply pump 411 and the second water supply pump 412 can work normally, the single-pole switch QF is connected, the first change-over switch SA1 is switched to be connected with the time controller SK, the time controller SK is electrified to work, when the contactor coil C1 is electrified to work, the normally closed contact C1 of the contactor 43 is disconnected, and the current flow direction is as follows: from the live line L, through the single-pole switch QF, through the first changeover switch SA1 and then through the switching contact of the time controller SK, then through the contactor coil C1 and through the neutral line N; when the first water supply pump 411 is operated and the second water supply pump 412 is stopped, and the time controller SK is turned off after the operation time is stopped, the current flow direction is as follows: the current flows from a live wire L, passes through a single-pole switch QF, passes through a first transfer switch SA1, passes through a normally closed contact C1 of a contactor 43, then flows through a contactor coil C2 and passes through a zero line N; at this time, the first water supply pump 411 stops operating, and the second water supply pump 412 operates; after a certain time, the time controller SK is in closed cycle circulation, so that the two water pumps 11 work alternately. When the air energy water heater 1 breaks down and cannot be repaired in time, the temperature control switch WK is communicated when detecting that the water temperature is lower than the set value of the temperature control switch WK, the contactor coil C3 is electrified, the heating tube 445 works to keep the temperature, and hot water can be supplied.

When the second water supply pump 412 is damaged, the first switch SA1 is switched to the manual state by manual operation of the operator, and the second switch SA2 is switched to supply power to the contactor coil C1, and the current flowing direction is as follows: from the live line L, through the single-pole switch QF, through the first transfer switch SA1, then through the second transfer switch SA2, then through the contactor coil C1, and finally through the neutral line N; at this time, the first water supply pump 411 is operated, and the second water supply pump 412 is stopped; when the first water supply pump 411 is damaged, the first switch SA1 is switched to the manual state by manual operation of the operator, and the second switch SA2 is switched to supply power to the contactor coil C2, at which time the current flow direction is: from the live line L, through the single-pole switch QF, through the first transfer switch SA1, then through the second transfer switch SA2, then through the contactor coil C2, and finally through the neutral line N; at this time, the first water supply pump 411 stops operating, and the second water supply pump 412 starts operating.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A carefree air energy water heating system is characterized in that: including air ability water heater, holding water box and water supply system, moisturizing mouth gas vent and return water mouth have been seted up on holding water box's top, the moisturizing mouth passes through pipeline and running water headtotail, the return water mouth is connected with return water pipe, holding water box's side is provided with upper circulation mouth and lower circulation mouth, the air can the water heater intake end with lower circulation mouth is connected, the air can the water outlet end of water heater with upper circulation mouth connects, the delivery port has been seted up to the holding water box side, the delivery port pass through the pipeline with water supply system connects, return water pipe is the PPR foaming pipe, the foaming layer thickness of PPR foaming pipe is not less than 15 mm.

2. The carefree air energy water heating system as recited in claim 1, wherein: be provided with the solenoid valve on the return water pipeline, the solenoid valve both ends are provided with bypass pipeline all the way, be provided with the gate valve on the bypass pipeline.

3. The carefree air energy water heating system as recited in claim 1, wherein: the temperature detection port is formed in the side face of the heat preservation water tank, the height of the temperature detection port is larger than that of the lower circulation port and is lower than that of the water outlet, and a temperature sensor is installed in the temperature detection port.

4. The carefree air energy water heating system as recited in claim 1, wherein: the heat preservation water tank is characterized in that an access hole is formed in the top end of the heat preservation water tank, a sewage discharge port is formed in the bottom of the side face of the heat preservation water tank, and the sewage discharge port is connected with a sewage discharge pipeline.

5. The carefree air energy water heating system as recited in claim 1, wherein: and a Y-shaped filter, a water pump and a gate valve are arranged on a pipeline between the water inlet end of the air energy water heater and the lower circulation port.

6. The carefree air energy water heating system as recited in claim 1, wherein: the water supply system comprises a control box and two water supply pipes connected in parallel, one end of each water supply pipe is connected with the water outlet, a first water supply pump and a second water supply pump are respectively arranged on the two water supply pipes, a time controller SK and a contactor are arranged in the control box, the contactor is respectively in circuit connection with the first water supply pump and the second water supply pump, the time controller SK is in circuit connection with the contactor, a first change-over switch SA1 and a second change-over switch SA2 are arranged in the control box, the first change-over switch SA1 is respectively in circuit connection with the time controller SK and the second change-over switch SA2, and the second change-over switch SA2 is in signal connection with the contactor.

7. The carefree air energy water heating system according to claim 6, wherein: an electric heating port is formed in the side face of the heat preservation water tank, a heating pipe is arranged in the electric heating port, the heating pipe is connected with the contactor circuit, a temperature control switch WK is arranged in the control box, and the temperature control switch WK is connected with the contactor circuit.

8. The carefree air energy water heating system according to claim 6, wherein: the first transfer switch SA1 and the second transfer switch SA2 are manual transfer switches.

9. The carefree air energy water heating system according to claim 6, wherein: and a check valve and a gate valve are arranged on the water supply pipe.

10. The carefree air energy water heating system as recited in claim 1, wherein: and a floating ball is arranged in the heat preservation water tank and is connected with the water replenishing port in the heat preservation water tank.