CN211400374U

CN211400374U - Ground source heat pump

Info

Publication number: CN211400374U
Application number: CN201921928297.2U
Authority: CN
Inventors: 朱汉宝
Original assignee: Shanghai Sinyo New Energy Technology Co ltd
Current assignee: Shanghai Sinyo New Energy Technology Co ltd
Priority date: 2019-11-08
Filing date: 2019-11-08
Publication date: 2020-09-01
Anticipated expiration: 2029-11-08

Abstract

The utility model discloses a ground source heat pump, including condenser, evaporimeter, compressor, secret water pumping pipeline and heat transfer unit, secret water pumping pipeline through the inlet tube communicate in the condenser, the condenser with form first loop through two pipelines between the evaporimeter, the compressor communicate in on one of them pipeline of first loop, be equipped with the liquid reserve tank on another pipeline of first loop, the condenser with form second loop through two pipelines between the heat transfer unit, second loop communicate in the inlet tube, be equipped with purifier on the inlet tube, the heat transfer unit includes water tank and outlet pipe, the water tank with second loop intercommunication, the water tank passes through heat transfer pipeline and is connected with solar energy equipment. The utility model provides a ground source heat pump, its structure is simple and clear, convenient and practical, energy utilization is rateed well.

Description

Ground source heat pump

Technical Field

The utility model relates to a ground source heat pump.

Background

The ground source heat pump technology is a high-efficiency energy-saving device which can supply heat and refrigerate by using underground shallow geothermal resources. The ground source heat pump realizes the transfer of low-temperature heat energy to high-temperature heat energy by inputting a small amount of high-grade energy. The seasonal performance coefficient of the heat pump has the characteristics of a constant temperature heat source heat pump and is higher because the ground temperature fluctuation is small all the year round and is warm in winter and cool in summer. The energy saving of the ground source heat pump is already embodied in the practical application and is confirmed by the industry.

The existing ground source heat pump is not high in energy utilization rate, and how to design a ground source heat pump becomes a problem to be solved currently.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the not enough among the prior art, provide a ground source heat pump.

In order to achieve the purpose, the method is realized by the following technical scheme:

the utility model provides a ground source heat pump, includes condenser, evaporimeter, compressor, secret water pumping pipeline and heat transfer unit, secret water pumping pipeline pass through the inlet tube communicate in the condenser, the condenser with form first loop through two pipelines between the evaporimeter, the compressor communicate in on one of them pipeline of first loop, be equipped with the liquid reserve tank on another pipeline of first loop, the condenser with form second loop through two pipelines between the heat transfer unit, second loop communicate in the inlet tube, be equipped with purifier on the inlet tube, the heat transfer unit includes water tank and outlet pipe, the water tank with second loop intercommunication, the water tank passes through the heat transfer pipeline and is connected with solar energy equipment.

Preferably, a heat exchange coil is arranged in the water tank, the heat exchange coil is communicated with the heat exchange pipeline, the water outlet pipe is communicated with the water tank, and the output end of the solar equipment is connected with the input end of the heat exchange coil.

Preferably, a heat exchange compressor is arranged on the heat exchange pipeline, and an output end of the heat exchange compressor is connected with the solar equipment and an input end of the heat exchange coil respectively.

Preferably, the output end of the heat exchange compressor is connected with the input end of the heat exchange coil pipe through a connecting pipe, and an interlock valve is installed between the input end of the solar device and the connecting pipe, so that fluid flowing out of the output end of the compressor can selectively flow through the solar device or through the connecting pipe.

Preferably, purifier includes first filter chamber, second filter chamber and the third filter chamber through pipe intercommunication each other, be equipped with KDF alloy filter core in the first filter chamber, be equipped with quartz sand filter core in the second filter chamber, be equipped with the active carbon filter core in the third filter chamber.

Preferably, a water softening device is communicated between the water inlet pipe and the condenser.

Preferably, a circulating water pump and a three-way valve are arranged between the second loop and the water inlet pipe, one end of the three-way valve is communicated with the circulating water pump, and the other end of the three-way valve is communicated with the water softening device.

Preferably, a temperature regulation and control instrument is arranged on the compressor, and a gas-liquid separator is arranged on a pipeline where the compressor is located.

Preferably, a pipeline where the liquid storage tank is located is provided with a filter and an expansion valve, and a detachable activated carbon filter screen is arranged in the filter.

Preferably, the underground water pumping pipeline comprises a plurality of vertical water pumping pipes, and each vertical water pumping pipe is provided with a water pumping pump.

The utility model discloses ground source heat pump's beneficial effect includes:

the underground water pumped by the invention is comprehensively purified by the purification device, softened by the water softening device, filtered by the filter, and finally enters the water tank through the evaporator and the condenser, and the hot water in the water tank can be used by users, so that the damage to equipment can be reduced and the service life can be prolonged; meanwhile, hot water supplied by a water tank of the heat exchange unit can be kept for a long time after being converted by solar equipment, so that the energy utilization rate is improved.

Drawings

Fig. 1 is the overall structure schematic diagram of the ground source heat pump of the present invention.

Fig. 2 is a schematic structural diagram of the heat exchange unit in fig. 1.

Fig. 3 is a schematic view of the internal structure of the water purifying device in fig. 1.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings:

as shown in fig. 1, the ground source heat pump includes a condenser 1, an evaporator 2, a compressor 3, an underground water pumping pipeline 4, an expansion valve 5, a circulating water pump 6, a water softening device 7, a gas-liquid separator 8, a water purifying device 9, a filter 10 and a heat exchange unit, wherein the heat exchange unit includes a water tank 11 and a solar device 100.

Wherein: the underground water pumping pipeline 4 is communicated with the condenser 1 through a water inlet pipe 12, the water inlet pipe 12 is communicated with a water purifying device 9 and a three-way valve 13, one end of the three-way valve 13 is communicated with a circulating water pump 6, the other end of the three-way valve 13 is communicated with a water softening device 7 for changing water hardness, the water softening device 7 is communicated with one end of the condenser 1, the right side surface of the lower end of the condenser 1 is sequentially communicated with a liquid storage tank 14, a filter 10, an expansion valve 5, an evaporator 2, a gas-liquid separator 8 and a compressor 3 so as to be circularly communicated with the right side surface of the upper end of the condenser 1, and a first loop; the upper end of the condenser 1 is communicated with one end of a water tank 11, the right side of the upper end of the water tank 11 is communicated with a circulating water pump 6 to form a second loop, the left side of the lower end of the water tank 11 is communicated with a water outlet pipe 16 for supplying hot water, and a stop valve 17 is arranged on the water outlet pipe 16.

Further, the upper end of the compressor 3 is provided with a temperature control instrument 15. A detachable activated carbon filter screen is arranged in the filter 10. Underground water pumping pipeline 4 includes many perpendicular drinking-water pipes, every be equipped with the suction pump on the perpendicular drinking-water pipe.

As shown in fig. 2, for a heat exchange unit: the solar water heater comprises a water tank, a heat exchange pipeline 101, a heat exchange coil 105, and a solar device 100, wherein the water tank is connected with the solar device through the heat exchange pipeline 101, the heat exchange coil 105 is arranged in the water tank 11, the heat exchange coil 105 is communicated with the heat exchange pipeline 101, and the output end of the solar device is connected with the input end of. A heat exchange compressor 102 is arranged on the heat exchange pipeline 101, and an output end of the heat exchange compressor 102 is connected with the solar equipment 100 and an input end of the heat exchange coil 105 respectively. The output end of the heat exchange compressor 102 is connected to the input end of the heat exchange coil 105 through a connecting pipe 106, and an interlock valve 107 is installed between the input end of the solar device 100 and the connecting pipe 106, so that the fluid flowing out of the output end of the compressor 102 can selectively flow through the solar device 100 or through the connecting pipe 106. Preferably, the solar device 100 is a trough-type or fresnel-type solar collector, and the solar collector is a U-shaped tube, a gravity heat pipe, or a flat plate.

With such an arrangement, the solar device 100 can be selectively involved in the pipeline 101 according to the intensity of the sunlight irradiation in the area where the ground source heat pump system is located, that is, under the condition of sufficient illumination, the connection pipe 106 can be in the open circuit state by controlling the interlock valve 107, so that the fluid output from the output end of the heat exchange compressor 102 is heated by the solar device 100, and conversely, under the condition of insufficient illumination, the connection pipe 106 is communicated by controlling the interlock valve 107, so that the open circuit is formed between the solar device 100 and the heat exchange compressor 102, and the fluid flowing out from the output end of the heat exchange compressor 102 only passes through the connection pipe 106. In this way, the situation that the fluid flowing out of the compressor 102 flows through the solar device 100 under the condition of weak light is avoided, and the service life of the solar device 100 is shortened.

Therefore, the solar energy device 100 is used for converting solar energy into heat energy, so that energy consumption of the compressor 102 can be reduced, or redundant heat can be stored through the heat output end under the condition that the compressor 102 normally works, so that the energy consumption of the compressor 102 is reduced, and energy is saved.

As shown in fig. 3, for the water purification apparatus 9: purifier 9 includes first filter chamber 90, second filter chamber 92 and the third filter chamber 94 through pipe 99 mutual intercommunication, be equipped with KDF alloy filter core 91 in the first filter chamber 90, be equipped with quartz sand filter core 93 in the second filter chamber 92, be equipped with active carbon filter core 95 in the third filter chamber 94. Therefore, the groundwater is filtered comprehensively.

After having the above structural features, as shown in fig. 1, the present invention can be implemented as the following processes:

in the actual use process, a large amount of sewage is pumped by the water suction pump, the pumped underground water is comprehensively purified by the purification device, then is softened by the water softening device 7, is filtered by the filter, and finally enters the water tank 11 through the evaporator 2 and the condenser 1, the hot water in the water tank 11 can be used by a user, the hot water provided by the water tank 11 of the heat exchange unit can be kept for a long time after being converted by solar equipment, and the cooled water enters the circulating water pump 6 for recycling again, so that a stable circulation is formed, the damage to the equipment can be reduced, the service life is prolonged, and the energy utilization rate is improved.

The utility model provides a ground source heat pump, its structure is simple and clear, convenient and practical, energy utilization is rateed well.

The embodiments of the present invention are only used for illustration, and do not limit the scope of the claims, and other substantially equivalent alternatives that may be conceived by those skilled in the art are within the scope of the present invention.

Claims

1. The utility model provides a ground source heat pump, its characterized in that, includes condenser, evaporimeter, compressor, secret water pumping pipeline and heat transfer unit, secret water pumping pipeline pass through the inlet tube communicate in the condenser, the condenser with form first loop through two pipelines between the evaporimeter, the compressor communicate in on one of them pipeline of first loop, be equipped with the liquid reserve tank on another pipeline of first loop, the condenser with form second loop through two pipelines between the heat transfer unit, second loop communicate in the inlet tube, be equipped with purifier on the inlet tube, the heat transfer unit includes water tank and outlet pipe, the water tank with second loop intercommunication, the water tank passes through the heat transfer pipeline and is connected with solar energy equipment.

2. The ground source heat pump of claim 1, wherein the water tank is provided with a heat exchange coil therein, the heat exchange coil is communicated with the heat exchange pipeline, the water outlet pipe is communicated with the water tank, and the output end of the solar device is connected with the input end of the heat exchange coil.

3. The ground source heat pump of claim 2, wherein the heat exchange pipeline is provided with a heat exchange compressor, and an output end of the heat exchange compressor is connected to the solar device and an input end of the heat exchange coil respectively.

4. A ground source heat pump as claimed in claim 3, wherein the output end of the heat exchange compressor is connected to the input end of the heat exchange coil via a connecting pipe, and an interlock valve is installed between the input end of the solar device and the connecting pipe, so that the fluid flowing out from the output end of the compressor can selectively flow through the solar device or through the connecting pipe.

5. A ground source heat pump as claimed in claim 1, wherein the water purification apparatus comprises a first filtering chamber, a second filtering chamber and a third filtering chamber which are communicated with each other through a conduit, wherein a KDF alloy filtering core is arranged in the first filtering chamber, a quartz sand filtering core is arranged in the second filtering chamber, and an activated carbon filtering core is arranged in the third filtering chamber.

6. A ground source heat pump as claimed in claim 1, wherein a water softening device is connected between the water inlet pipe and the condenser.

7. A ground source heat pump according to claim 6, characterized in that a circulating water pump and a three-way valve are arranged between the second loop and the water inlet pipe, one end of the three-way valve is communicated with the circulating water pump, and the other end of the three-way valve is communicated with the water softening device.

8. The ground source heat pump of claim 1, wherein the compressor is provided with a temperature control instrument, and the pipeline where the compressor is located is provided with a gas-liquid separator.

9. A ground source heat pump as claimed in claim 1, wherein the pipeline of the liquid storage tank is provided with a filter and an expansion valve, and the filter is provided with a detachable activated carbon filter screen.

10. A ground source heat pump as claimed in claim 1, wherein the underground pumping pipeline comprises a plurality of vertical pumping pipes, each of which is provided with a pumping pump.