CN221403471U - Heat pump unit - Google Patents

Abstract

The application discloses a heat pump unit which comprises a heat pump, a water tank, a control assembly, a water supplementing pipe, a two-way valve, a pressure sensor and an expansion tank, wherein a first water outlet of the heat pump is connected with a second water inlet of the water tank through a pipeline, the second water outlet of the water tank is connected with the first water inlet of the heat pump through a pipeline, the control assembly is arranged on a pipeline connecting the first water outlet of the heat pump with the second water inlet of the water tank, a third water inlet of the water supplementing pipe is connected with external tap water supply equipment through a pipeline, the third water outlet of the water supplementing pipe is connected with the first water inlet of the heat pump through a pipeline, the pressure sensor is arranged on a pipeline connecting the first water inlet of the heat pump with the second water outlet of the water tank, the two-way valve is arranged on the water supplementing pipe, and one end of the expansion tank is arranged on a pipeline between the two-way valve and the heat pump. The application reduces the switching frequency of the two-way valve and ensures the stable pressure of the waterway of the system.

Description

Heat pump unit

Technical Field

The application relates to the technical field of heat pump equipment, in particular to a heat pump unit.

Background

At present, in engineering application of a heat pump unit, water replenishing of the heat pump is generally realized through system water returning, water tank water returning and external water supply equipment connection, in the water replenishing process, due to unstable system water path pressure, a valve in a water replenishing pipe is in a frequent switching state, damage to the valve is easy to cause, and the water path pressure of the heat pump unit cannot reach an equilibrium state.

Disclosure of utility model

The aim of the embodiment of the application is that: the heat pump unit can solve the problems in the prior art, reduces the switching frequency of the two-way valve, and ensures the pressure stability of a system waterway.

In order to achieve the above purpose, the application adopts the following technical scheme:

In one aspect, a heat pump unit is provided, the heat pump unit comprises a heat pump, a water tank and a control assembly, the heat pump comprises a first water inlet and a first water outlet, the water tank comprises a second water inlet and a second water outlet, the first water outlet of the heat pump is connected with the second water inlet of the water tank through a pipeline, the second water outlet of the water tank is connected with the first water inlet of the heat pump through a pipeline, the control assembly is arranged on a pipeline connected with the first water outlet of the heat pump and the second water inlet of the water tank, the heat pump unit further comprises a water supplementing pipe, a two-way valve, a pressure sensor and an expansion tank, the water supplementing pipe comprises a third water inlet and a third water outlet, the third water inlet of the water supplementing pipe is connected with external tap water supply equipment through a pipeline, the pressure sensor is arranged on a pipeline connected with the first water inlet of the heat pump and the second water outlet of the water tank, and one end of the expansion tank is arranged on the pipeline connected with the two-way valve and the first water inlet of the heat pump.

Further, a check valve is arranged on the connecting pipeline of the third water inlet of the water supplementing pipe and the two-way valve.

Further, the control assembly comprises an electric heater which is arranged on a pipeline connected with the first water outlet of the heat pump and the second water inlet of the water tank.

Further, a temperature sensor and an automatic exhaust valve are arranged on the electric heater.

Further, the water tank comprises a hot water tank and a heating water tank, the hot water tank comprises a fourth water inlet and a fourth water outlet, the heating water tank comprises a fifth water inlet and a fifth water outlet, the fourth water inlet of the hot water tank and the fifth water inlet of the heating water tank are connected in parallel on a pipeline of the first water outlet of the heat pump, and the fourth water outlet of the hot water tank and the fifth water outlet of the heating water tank are connected in parallel on a pipeline of the first water inlet of the heat pump.

Further, the control assembly comprises a three-way valve, the three-way valve comprises a first port, a second port and a third port, the first port of the three-way valve is connected with a first water outlet of the heat pump through a pipeline, the second port of the three-way valve is connected with a fourth water inlet of the hot water tank through a pipeline, and the third port of the three-way valve is connected with a fifth water inlet of the heating tank through a pipeline.

Further, the heat pump water tank further comprises a pressure gauge, wherein the pressure gauge is arranged on a pipeline connecting the first water inlet of the heat pump and the second water outlet of the water tank.

Further, the control assembly comprises a water pump, a pressure relief valve and a flowmeter, and the water pump, the pressure relief valve and the flowmeter are sequentially arranged on a pipeline of the first water outlet of the heat pump.

Further, the first water inlet of the heat pump and the second water inlet of the water tank are positioned at the same horizontal plane, and the first water outlet of the heat pump and the second water outlet of the water tank are positioned at the same horizontal plane.

Further, the first water inlet and the first water outlet of the heat pump are arranged at intervals in a staggered mode.

The beneficial effects of the application are as follows: by optimizing the water supplementing waterway of the heat pump, an expansion tank is arranged to buffer the waterway pressure, so that the frequent switching of a two-way valve is avoided, and the stability of the waterway pressure is ensured;

In addition, a plurality of waterway accessories are integrated into a whole to form a hydraulic module, and the hydraulic module comprises a water pump, a pressure relief valve, an electric heater, a three-way valve, a one-way valve, a two-way valve, a pressure sensor and a series of pipelines which are connected in a matched manner, so that the hydraulic module has the advantages of compact structure, small required engineering installation space, simplicity and high efficiency in engineering installation, realization of mass production and installation of the hydraulic module, high inspection efficiency, reduction of waterway interfaces on the engineering, and reduction of water leakage risk and running water resistance; meanwhile, the pressure sensor is arranged to detect the water pressure condition of the multifunctional hydraulic module in real time, so that water can be supplemented or decompressed to the waterway of the system in time, the pressure stability of the waterway in the system is ensured, and the running stability and safety of the whole multifunctional hydraulic module are further ensured.

Drawings

The application is described in further detail below with reference to the drawings and examples.

Fig. 1 is a schematic perspective view of a multifunctional hydraulic module according to an embodiment of the present application;

fig. 2 is a schematic perspective view of a multifunctional hydraulic module according to an embodiment of the present application;

FIG. 3 is a schematic diagram of a waterway system of a multifunctional hydraulic module according to an embodiment of the present application;

fig. 4 is a schematic diagram of a waterway system of a heat pump unit according to an embodiment of the present application.

In the figure:

1. a water pump; 2. a pressure release valve; 3. an electric heater; 4. a three-way valve; 5. a two-way valve; 6. a one-way valve; 7. a pressure sensor; 8. an expansion tank; 9. a temperature sensor; 10. an automatic exhaust valve; 11. a flow meter; 12. a pressure gauge; 13. a heat pump; 14. a heating water tank; 15. a hot water tank.

Detailed Description

In order to make the technical problems solved by the present application, the technical solutions adopted and the technical effects achieved more clear, the technical solutions of the embodiments of the present application are described in further detail below, and it is obvious that the described embodiments are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

In the description of the present application, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.

In the present application, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

As shown in fig. 4, this embodiment provides a heat pump unit, including heat pump 13, water tank, control assembly, moisturizing pipe, two-way valve 5, pressure sensor 7 and expansion tank 8, heat pump 13 includes first water inlet and first delivery port, the water tank includes second water inlet and second delivery port, the first delivery port of heat pump 13 with the second water inlet of water tank passes through the pipeline connection, the second delivery port of water tank with the first water inlet of heat pump 13 passes through the pipeline connection, control assembly set up in on the pipeline that the first delivery port of heat pump 13 and the second water inlet of water tank are connected, the moisturizing pipe includes third water inlet and third delivery port, the third water inlet of moisturizing pipe passes through the pipeline connection with external running water supply equipment, the third delivery port of moisturizing pipe with the first water inlet of heat pump 13 passes through the pipeline connection, pressure sensor 7 set up in the first water inlet of heat pump 13 with the pipeline that the second delivery port of water tank is connected, two-way valve 5 set up in on the moisturizing pipe, one end setting up in on expansion tank 8 with the pipeline that two-way valve 5 with the second water inlet 13 is connected.

Based on the above scheme, the water flow direction inside the system is as follows: the water flows out from the first water outlet of the heat pump 13, passes through the control assembly, flows into the water tank through the second water inlet of the water tank, and flows from the second water outlet of the water tank to the first water inlet of the heat pump 13; the water replenishing of the heat pump 13 flows into the water replenishing pipe from the third water inlet through the water replenishing pipe connected with external water supply equipment, and then flows into the first water inlet of the heat pump 13 from the third water outlet of the water replenishing pipe. The two-way valve 5 arranged in the water supplementing pipe controls the on-off of the water supplementing waterway, the pressure sensor 7 is mainly used for detecting the pressure condition of the water tank and the first water inlet of the heat pump 13, the expansion tank 8 is used for preventing the two-way valve 5 from being frequently opened and closed, and water can be automatically supplemented when the pressure of the expansion tank 8 is greater than the pressure of the first water inlet of the heat pump 13 or the pressure of the water tank, and a connecting pipe of the expansion tank 8 is used as an outlet pipe at the moment; when the pressure is still unbalanced, the two-way valve 5 is controlled to be opened to supplement water for the heat pump 13 and the water tank, and simultaneously, the expansion tank 8 is also supplemented with water, and the connecting pipe of the expansion tank 8 serves as an inlet pipe.

Further, a check valve 6 is arranged on the connecting pipeline of the third water inlet of the water replenishing pipe and the two-way valve 5. The two-way valve 5 is connected with external water supply equipment, namely tap water, through the one-way valve 6, the two-way valve 5 is in an open state, and when the system water pressure is lower than the tap water pressure, the tap water can automatically supplement water for the system due to the existence of pressure difference; when the tap water pressure is abnormally low, the tap water pressure is lower than the system water pressure, and the check valve 6 can effectively avoid the system water backflow to cause the system water pressure to be insufficient.

Optionally, the control assembly comprises an electric heater 3, the electric heater 3 is arranged on a pipeline connected with a first water outlet of the heat pump 13 and a second water inlet of the water tank, and the electric heater 13 is provided with a temperature sensor 9 and an automatic exhaust valve 10.

In some embodiments, the water tank includes a hot water tank 15 and a heating water tank 14, the hot water tank 15 includes a fourth water inlet and a fourth water outlet, the heating water tank 14 includes a fifth water inlet and a fifth water outlet, the fourth water inlet of the hot water tank 15 and the fifth water inlet of the heating water tank 14 are connected in parallel to the pipeline of the first water outlet of the heat pump 13, and the fourth water outlet of the hot water tank 15 and the fifth water outlet of the heating water tank 14 are connected in parallel to the pipeline of the first water inlet of the heat pump 13. In this scheme, the hot water tank 15, heating water tank 14 and heat pump 13 between the accessible three-way valve are connected, can be based on the scheme that is provided with two hot water tank 15 and two heating water tank 14 simultaneously, connect through two three-way valves for the setting quantity of water tank is unrestricted, and application scope is wider.

Further, the control assembly comprises a three-way valve 4, the three-way valve 4 comprises a first port, a second port and a third port, the first port of the three-way valve 4 is connected with the first water outlet of the heat pump 13 through a pipeline, the second port of the three-way valve 4 is connected with the fourth water inlet of the hot water tank 15 through a pipeline, and the third port of the three-way valve 4 is connected with the fifth water inlet of the heating water tank 14 through a pipeline.

Further, the device also comprises a pressure gauge 12, wherein the pressure gauge 12 is arranged on a pipeline connected with the first water inlet of the heat pump 13 and the second water outlet of the water tank and is used for detecting the pressure conditions of the heat pump 13 and the water tank.

Further, the control assembly comprises a water pump 1, a pressure relief valve 1 and a flowmeter 11, wherein the water pump 1, the pressure relief valve 2 and the flowmeter 11 are sequentially arranged on a pipeline of a first water outlet of the heat pump 13.

Further, the first water inlet of the heat pump 3 and the second water inlet of the water tank are in the same horizontal plane, the first water outlet of the heat pump 13 and the second water outlet of the water tank are in the same horizontal plane, the first water inlet and the first water outlet of the heat pump 13 are arranged at intervals in a staggered manner, and the interval staggered manner is that when all water inlets are in the same horizontal plane, all water outlets are also in the same horizontal plane, and the water inlets and the water outlets are in the same horizontal plane in the vertical direction perpendicular to the horizontal direction, simply, the first water inlet and the first water outlet of the heat pump 13 are not in the same horizontal plane, and the second water inlet and the second water outlet of the water tank are not in the same plane, so that the foolproof device is convenient for a user to take over. .

In another aspect, there is also provided a multifunctional hydraulic module, as shown in fig. 1-3, comprising: the water pump comprises a water pump 1, a pressure relief valve 2, an electric heater 3, a three-way valve 4, a one-way valve 6, a two-way valve 5 and a pressure sensor 7, wherein the inlet end of the water pump 1 is connected with a water outlet port of a heat pump 13 through a pipeline, the outlet end of the water pump 1 is connected with the inlet end of the electric heater 3 through a pipeline, the pressure relief valve 2 is connected with a pipeline between the water pump 1 and the electric heater 3, the outlet end of the electric heater 3 is connected with one valve port of the three-way valve 4 through a pipeline, the other two valve ports of the three-way valve 4 are respectively connected with water inlets of a hot water tank 15 and a heating water tank 14 through pipelines, the water inlets of the heat pump 13 are respectively connected with external tap water supply equipment through water supplementing pipelines, the one-way valve 6 and the two-way valve 5 are respectively arranged between the one-way valve 6 and the heat pump 13, the water outlets of the hot water tank 15 and the heating water tank 14 are respectively connected with the water inlets of the heat pump 13 through water return pipelines, and the water return pipeline of the heating water tank 15 or the heating water tank 14 is respectively connected with the water return pipeline of the heating water tank 14.

Based on the above scheme, the water path flow direction of the whole multifunctional hydraulic module is output by the water outlet interface of the heat pump 13, after being heated by the electric heater 3, the water flows to the hot water tank 15 and the heating water tank 14 for storage, water stored in the hot water tank 15 and the heating water tank 14 is conveyed to a user end for use, in the process of conveying the water, the water pump 1 plays a role of providing driving force, the pressure release valve 2 releases pressure under the condition that the water path pressure is overlarge, the pressure stability of a water path of the system is ensured, the three-way valve 4 mainly plays a role of shunting and conveying, in addition, the two-way valve 5 and the one-way valve 6 are arranged at the position close to the water inlet interface of the heat pump 13, and water can be supplemented into the heat pump 13 through the water supplementing pipe by external tap water supply equipment in the operation process, so as to meet the operation requirement of the heat pump 13 system, avoid the shutdown of the heat pump 13 system due to water shortage, and the specific water supplementing process is as follows: the two-way valve 5 is used as a water supplementing valve, a timing switch is controlled by the controller, the controller can set the water supplementing days and the continuous power-on opening time of the two-way valve 5, the two-way valve 5 is connected with tap water through the one-way valve 6, the two-way valve 5 is in an open state, and when the water pressure of the system is lower than that of the tap water, the tap water can be automatically supplemented by the pressure difference; when the tap water pressure is abnormally low, the tap water pressure is lower than the system water pressure, and the check valve 6 can effectively avoid the system water backflow to cause the system water pressure to be insufficient; when the tap water pressure is abnormally high and is higher than the system water pressure, the tap water supply equipment supplements water to the system to cause the system water pressure to be higher, the pressure relief valve 2 can be opened to drain water in the system, water leakage of an interface caused by overhigh system water pressure is avoided, and the system water pressure is ensured to be kept at a relatively stable pressure value. In addition, the pressure sensor 7 is installed on the water supplementing pipeline of the heat pump 13, the water return pipeline of the hot water tank 15 or the water return pipeline of the heating water tank 14, and this installation position can detect the pressure of any one of the three waterways, and if the system water pressure is detected to be lower than the set value during the system operation, a signal is sent to the controller, and the water supplementing valve, namely the two-way valve 5, is opened to supplement water, for example, the water supplementing failure is caused by the low tap water pressure, and the pressure sensor 7 can be shut down by the controller for protecting the heat pump 13 system.

It should be noted that, besides water supplementing, the water outlet ports of the hot water tank 15 and the heating water tank 14 are connected with the water inlet port of the heat pump 13, so as to convey water to the heat pump 13, so as to maintain the stable water pressure of the heat pump 13 system.

Further, the electric heater 3 includes a housing, and a plurality of electric heater tubes disposed inside the housing, and a temperature sensor 9 is disposed on the housing. When water enters the shell, the electric heater tube is controlled by the controller to start heating the water to a set temperature, the temperature sensor 9 detects the water temperature in the shell in real time to judge whether heating is finished, when the water temperature can not reach the set water temperature all the time, the heating power of the electric heater tube is increased by the controller, if the preset stability can not still be reached, the electric heater 3 is judged to have heating faults, and the electric heater 3 needs to be overhauled in time.

Further, the electric heater 3 is provided with an automatic exhaust valve 10. The automatic exhaust valve 10 is provided for exhausting the redundant gas in the housing to ensure the stable pressure in the housing.

In some embodiments, a flow meter 11 is further included, the flow meter 11 being disposed on the line between the electric heater 3 and the three-way valve 4. The flow meter 11 is a device for measuring the flow rate and volume of a liquid, which is widely used in the fields of industry, agriculture, home, etc., and has the function of monitoring and controlling the flow rate of the liquid, ensuring the normal operation of the production process and the effective utilization of resources. The principles of the flow meter 11 are based on fluid mechanics and electronics. The flow sensor is usually composed of a flow sensor, a signal converter and a display, wherein the flow sensor determines the flow by measuring the speed or pressure change of liquid passing through a pipeline, and the signal converter converts data collected by the sensor into an electric signal and transmits the electric signal to the display for displaying and recording. Depending on the principle and the manner of operation, the flow meter 11 can be divided into a number of types, the most common of which are turbine flow meters, electromagnetic flow meters and ultrasonic flow meters.

Further, a waterproof gasket is arranged at the joint of the water supplementing pipeline and the water inlet interface of the heat pump 13. Every pipeline interface is provided with a waterproof gasket to improve the tightness and avoid faults such as water leakage.

Further, the two-way valve 5 and the three-way valve 4 are both electric valves.

In the description herein, it should be understood that the terms "upper," "lower," "left," "right," and the like are merely for convenience of description and to simplify the operation, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the application. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for providing a special meaning.

In the description herein, reference to the term "one embodiment," "an example," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in the foregoing embodiments, and that the embodiments described in the foregoing embodiments may be combined appropriately to form other embodiments that will be understood by those skilled in the art.

The technical principle of the present application is described above in connection with the specific embodiments. The description is made for the purpose of illustrating the general principles of the application and should not be taken in any way as limiting the scope of the application. Other embodiments of the application will be apparent to those skilled in the art from consideration of this specification without undue burden.

Claims (10)

1. The utility model provides a heat pump unit, includes heat pump (13), water tank and control assembly, heat pump (13) include first water inlet and first delivery port, the water tank includes second water inlet and second delivery port, the first delivery port of heat pump (13) with the second water inlet of water tank passes through the pipe connection, the second delivery port of water tank with the first water inlet of heat pump (13) passes through the pipe connection, control assembly set up in first delivery port of heat pump (13) with on the pipeline that the second water inlet of water tank is connected, its characterized in that still includes moisturizing pipe, two-way valve (5), pressure sensor (7) and expansion tank (8), the moisturizing pipe includes third water inlet and third delivery port, the third water inlet of moisturizing pipe passes through the pipe connection with external running water supply equipment, the third delivery port of moisturizing pipe with the first water inlet of heat pump (13) passes through the pipe connection, pressure sensor (7) set up in on the pipeline that the first water inlet of heat pump (13) and the second water inlet of water tank are connected, two-way valve (5) set up in on the water pump (8) one end of moisturizing pipe (8).

2. The heat pump unit according to claim 1, wherein a check valve (6) is arranged on the connection pipeline of the third water inlet of the water supplementing pipe and the two-way valve (5).

3. Heat pump unit according to claim 1 or 2, characterized in that the control assembly comprises an electric heater (3), the electric heater (3) being arranged on a pipeline connecting a first water outlet of the heat pump (13) with a second water inlet of the water tank.

4. A heat pump unit according to claim 3, characterized in that the electric heater (3) is provided with a temperature sensor (9) and an automatic exhaust valve (10).

5. The heat pump unit according to claim 1 or 2, characterized in that the water tank comprises a hot water tank (15) and a heating water tank (14), the hot water tank (15) comprises a fourth water inlet and a fourth water outlet, the heating water tank (14) comprises a fifth water inlet and a fifth water outlet, the fourth water inlet of the hot water tank (15) and the fifth water inlet of the heating water tank (14) are connected in parallel on a pipeline of the first water outlet of the heat pump (13), and the fourth water outlet of the hot water tank (15) and the fifth water outlet of the heating water tank (14) are connected in parallel on a pipeline of the first water inlet of the heat pump (13).

6. The heat pump unit according to claim 5, wherein the control assembly comprises a three-way valve (4), the three-way valve (4) comprises a first port, a second port and a third port, the first port of the three-way valve (4) is connected with the first water outlet of the heat pump (13) through a pipeline, the second port of the three-way valve (4) is connected with the fourth water inlet of the hot water tank (15) through a pipeline, and the third port of the three-way valve (4) is connected with the fifth water inlet of the heating water tank (14) through a pipeline.

7. Heat pump unit according to claim 1 or 2, further comprising a pressure gauge (12), the pressure gauge (12) being arranged on a pipeline connecting the first water inlet of the heat pump (13) and the second water outlet of the water tank.

8. The heat pump unit according to claim 1 or 2, wherein the control assembly comprises a water pump (1), a pressure relief valve (2) and a flow meter (11), and the water pump (1), the pressure relief valve (2) and the flow meter (11) are sequentially arranged on a pipeline of a first water outlet of the heat pump (13).

9. Heat pump unit according to claim 1 or 2, characterized in that the first water inlet of the heat pump (13) and the second water inlet of the water tank are in the same horizontal plane, and the first water outlet of the heat pump (13) and the second water outlet of the water tank are in the same horizontal plane.

10. The heat pump unit according to claim 9, characterized in that the first water inlet and the first water outlet of the heat pump (13) are arranged at intervals in a staggered manner.