CN216868701U - Energy-saving control device of ground source heat pump - Google Patents

Energy-saving control device of ground source heat pump Download PDF

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Publication number
CN216868701U
CN216868701U CN202220300784.XU CN202220300784U CN216868701U CN 216868701 U CN216868701 U CN 216868701U CN 202220300784 U CN202220300784 U CN 202220300784U CN 216868701 U CN216868701 U CN 216868701U
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Prior art keywords
pipe
water
heat pump
ground
water supply
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CN202220300784.XU
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Chinese (zh)
Inventor
戚素素
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Shandong Huayu University of Technology
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Shandong Huayu University of Technology
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Abstract

The utility model provides an energy-saving control device of a ground source heat pump, which comprises a ground buried pipe water supply pipe, a ground buried pipe water return pipe, heat pump equipment, a tap water inlet pipe, a tap water outlet pipe and a buffer water tank, wherein tap water is introduced and output through the additionally arranged buffer water tank tap water and is conveyed into the farthest heat pump equipment through the ground buried pipe water supply pipe so as to supplement water supply liquid flow and water supply pressure to the farthest heat pump equipment, the ground buried pipe water return pipe connected with the farthest heat pump equipment is connected with the buffer water tank through a water supplementing pipe so as to further supplement liquid flow supply to the buffer water tank, heat in a water return pipeline is subjected to heat exchange with the incoming liquid flow in the buffer water tank, the heat recycling of the return liquid flow is realized, and the water supply capacity of the tail-end ground source heat pump equipment is improved so as to realize energy-saving control of the ground source heat pump.

Description

Energy-saving control device of ground source heat pump
Technical Field
The utility model relates to the technical field of ground source heat pump equipment, in particular to an energy-saving control device of a ground source heat pump.
Background
The ground source heat pump is a high-efficiency energy-saving system which can supply heat and refrigerate by utilizing shallow geothermal resources (also called geothermal energy, including energy of surface water, soil, underground water and the like). The ground source heat pump realizes heat exchange between the system and the ground through the flow of circulating liquid (water or antifreeze liquid taking water as a main component) in the closed underground buried pipe.
In the water supply and conveying process of the existing ground source heat pump equipment, because different ground source heat pump equipment are located at different positions, water supply pressure has on-way loss, the water supply efficiency of the ground source heat pump is further influenced, if the water supply pressure is increased, the conveying energy consumption is increased, and heat on a water return pipeline cannot be effectively utilized.
SUMMERY OF THE UTILITY MODEL
In view of this, the technical problem to be solved by the present invention is: how to provide an energy-saving control device of a ground source heat pump to improve the water supply capacity of tail end ground source heat pump equipment and improve the heat recycling of return water flow.
In order to achieve the purpose, the utility model provides an energy-saving control device of a ground source heat pump, which comprises a ground buried pipe water supply pipe, a ground buried pipe water return pipe, heat pump equipment, a tap water inlet pipe, a tap water outlet pipe and a buffer water tank, wherein the ground buried pipe water supply pipe is connected with the ground buried pipe water return pipe;
the ground buried pipe water supply pipe is respectively connected with a plurality of heat pump devices and provides conveying water flow for the heat pump devices;
the ground buried pipe water return pipe is respectively connected with a plurality of heat pump devices, and the heat pump devices convey water flow through the ground buried pipe water return pipe;
one end of the buffer water tank is connected with the tap water inlet pipe, the other end of the buffer water tank is connected with the tap water outlet pipe, the tap water outlet pipe is connected to the ground buried pipe water supply pipe, tap water flows into the buffer water tank through the tap water inlet pipe and is discharged from the tap water outlet pipe, and the tap water outlet pipe is connected to the heat pump equipment at the farthest end away from the ground buried pipe water supply pipe;
and a water replenishing pipe connected with the buffer water tank is arranged on the ground buried pipe water return pipe of the heat pump equipment which is connected with the farthest end of the ground buried pipe water supply pipe.
Furthermore, a one-way valve is arranged on the ground connection buried pipe water supply pipe and the ground connection buried pipe water return pipe.
Further, the water supply flow of the heat pump equipment at the farthest end from the ground buried water supply pipe is conveyed by the ground buried water supply pipe and the tap water outlet pipe.
Further, the end part of the water replenishing pipe is connected with the tap water inlet pipe.
Furthermore, a one-way valve is arranged on the water replenishing pipe.
Compared with the prior art, the energy-saving control device of the ground source heat pump has the beneficial effects that: the energy-saving control system is characterized in that tap water is led in and output through an additionally arranged buffer water tank and is conveyed to the heat pump equipment at the farthest end through a ground-connection buried pipe water supply pipe so as to supplement water supply liquid flow and water supply pressure of the heat pump equipment at the farthest end, a ground-connection buried pipe water return pipe connected with the heat pump equipment at the farthest end is connected with the buffer water tank through a water supply pipe so as to further supplement liquid flow supply in the buffer water tank, heat in a water return pipeline is also exchanged with water inlet liquid flow in the buffer water tank, heat recycling of the water return liquid flow is realized, and therefore the water supply capacity of the ground source heat pump equipment at the tail end is improved, and energy-saving control of a ground source heat pump is realized.
Drawings
Fig. 1 is a schematic structural diagram of an energy-saving control device of a ground source heat pump in an embodiment of the utility model.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1, the present invention provides an energy saving control device for a ground source heat pump, which includes a ground buried pipe water supply pipe 11, a ground buried pipe water return pipe 12, a heat pump apparatus 10, a tap water inlet pipe 21, a tap water outlet pipe 22, and a buffer water tank 23.
The ground water supply pipes 11 are connected to the plurality of heat pump systems 10, respectively, and the ground water supply pipes 11 supply the heat pump systems 10 with a flow of water.
The ground buried pipe water return pipe 12 is respectively connected with a plurality of heat pump devices 10, and the heat pump devices 10 convey water flow through the ground buried pipe water return pipe 12.
The one-way valves 30 are arranged on the ground buried pipe water supply pipe 11 and the ground buried pipe water return pipe 12 to ensure one-way liquid flow conveying in the ground buried pipe water supply pipe 11 and the ground buried pipe water return pipe 12.
One end of the buffer water tank 23 is connected with a tap water inlet pipe 21, the other end of the buffer water tank is connected with a tap water outlet pipe 22, the tap water outlet pipe 22 is connected to the ground buried pipe water supply pipe 11, tap water flows into the buffer water tank 23 through the tap water inlet pipe 21 and flows through the tap water outlet pipe 22, and the tap water outlet pipe 22 is connected to the heat pump equipment 10 at the farthest end from the ground buried pipe water supply pipe 11.
A water replenishing pipe 24 is arranged on a ground buried pipe return pipe 12 of the heat pump device 10 which is connected to the farthest end from the ground buried pipe water supply pipe 11 and is connected with a buffer water tank 23, the end part of the water replenishing pipe 24 is connected with a tap water inlet pipe 21, and a check valve 30 is arranged on the water replenishing pipe 24 so as to control the liquid flow in the water replenishing pipe 24 to flow into the buffer water tank 23 in a one-way mode.
The flow of the feed water to the heat pump apparatus 10 furthest from the earthed buried feed pipe 11 is delivered by the earthed buried feed pipe 11 and the tap water outlet pipe 22.
Tap water is introduced into and output from the additionally arranged buffer water tank 23 and is conveyed to the heat pump equipment 10 at the farthest end through the ground-connection buried pipe water supply pipe 11 so as to supplement water supply liquid flow and water supply pressure to the heat pump equipment 10 at the farthest end, the ground-connection buried pipe water return pipe 12 connected with the heat pump equipment 10 at the farthest end is connected with the buffer water tank 23 through the water supply pipe 24 so as to further supplement liquid flow supply to the buffer water tank 23, heat in the water return pipe is also subjected to heat exchange with inlet liquid flow in the buffer water tank 23, heat recycling of return liquid flow is realized, and therefore the water supply capacity of the ground source heat pump equipment 10 at the tail end is improved, and energy-saving control over a ground source heat pump is realized.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (5)

1. An energy-saving control device of a ground source heat pump is characterized by comprising a ground buried pipe water supply pipe, a ground buried pipe water return pipe, heat pump equipment, a tap water inlet pipe, a tap water outlet pipe and a buffer water tank;
the ground buried pipe water supply pipe is respectively connected with a plurality of heat pump devices and provides conveying water flow for the heat pump devices;
the ground buried pipe water return pipe is respectively connected with a plurality of heat pump devices, and the heat pump devices convey water flow through the ground buried pipe water return pipe;
one end of the buffer water tank is connected with the tap water inlet pipe, the other end of the buffer water tank is connected with the tap water outlet pipe, the tap water outlet pipe is connected to the ground buried pipe water supply pipe, tap water flows into the buffer water tank through the tap water inlet pipe and is discharged from the tap water outlet pipe, and the tap water outlet pipe is connected to the heat pump equipment at the farthest end away from the ground buried pipe water supply pipe;
and a water replenishing pipe connected with the buffer water tank is arranged on the ground buried pipe water return pipe of the heat pump equipment which is connected with the farthest end of the ground buried pipe water supply pipe.
2. The energy-saving control device of a ground source heat pump as claimed in claim 1, wherein a check valve is disposed on the ground-connected buried water supply pipe and the ground-connected buried water return pipe.
3. The energy-saving control device of a ground source heat pump as claimed in claim 1, wherein the water supply flow of the heat pump equipment farthest from the ground buried water supply pipe is delivered by the ground buried water supply pipe and the tap water outlet pipe.
4. The energy-saving control device of a ground source heat pump as claimed in claim 1, wherein the end of the water replenishing pipe is connected to the tap water inlet pipe.
5. The energy-saving control device of a ground source heat pump as claimed in claim 1, wherein the water replenishing pipe is provided with a check valve.
CN202220300784.XU 2022-02-15 2022-02-15 Energy-saving control device of ground source heat pump Active CN216868701U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220300784.XU CN216868701U (en) 2022-02-15 2022-02-15 Energy-saving control device of ground source heat pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220300784.XU CN216868701U (en) 2022-02-15 2022-02-15 Energy-saving control device of ground source heat pump

Publications (1)

Publication Number Publication Date
CN216868701U true CN216868701U (en) 2022-07-01

Family

ID=82154335

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220300784.XU Active CN216868701U (en) 2022-02-15 2022-02-15 Energy-saving control device of ground source heat pump

Country Status (1)

Country Link
CN (1) CN216868701U (en)

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