CN213020412U - Novel ground source heat pump unit - Google Patents
Novel ground source heat pump unit Download PDFInfo
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- CN213020412U CN213020412U CN202022075303.3U CN202022075303U CN213020412U CN 213020412 U CN213020412 U CN 213020412U CN 202022075303 U CN202022075303 U CN 202022075303U CN 213020412 U CN213020412 U CN 213020412U
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Abstract
The utility model discloses a novel ground source heat pump unit, which comprises a ground source side heat exchange mechanism and a user side heat exchange mechanism, wherein the ground source side heat exchange mechanism and the user side heat exchange mechanism are respectively arranged in a case, and a throttling device is communicated and arranged between the ground source side heat exchange mechanism and the user side heat exchange mechanism; the machine case is also provided with a variable frequency compressor, a condensing device and a four-way valve, wherein the variable frequency compressor and the four-way valve, the variable frequency compressor and the condensing device, the condensing device and the four-way valve, the four-way valve and the ground source side heat exchange mechanism and the four-way valve and the user side heat exchange mechanism are respectively communicated through pipelines; the condensing device comprises a condenser and a gas-liquid separator. The utility model discloses set up vapour and liquid separator in inverter compressor breathing pipe department, can carry out gas-liquid separation with the heat transfer medium who enters into inverter compressor, guaranteed that liquid heat transfer medium can not enter into inverter compressor in, avoided the impaired possibility of compressor.
Description
Technical Field
The utility model relates to an earth source heat pump technical field, concretely relates to novel earth source heat pump set.
Background
The ground source heat pump is a high-efficiency energy-saving environment-friendly air conditioning system which can supply heat and refrigerate by using underground shallow geothermal resources. The ground source heat pump can realize the transfer of energy from a low-temperature heat source to a high-temperature heat source by inputting a small amount of high-grade energy (electric energy).
The utility model discloses a patent number 201721144359.1's that applicant applied earlier utility model discloses a small-size family formula ground source heat pump set mounting structure of intelligence, including bottom plate, plate heat exchanger, frequency conversion circulating pump, frequency conversion compressor and pipeline, the middle part at the bottom plate left end is installed to the frequency conversion compressor, plate heat exchanger is all installed to both sides around the frequency conversion compressor, is first plate heat exchanger and second plate heat exchanger respectively, first plate heat exchanger's right side and second plate heat exchanger's right side are provided with first frequency conversion circulating pump and the second frequency conversion circulating pump of installing on the bottom plate respectively, first plate heat exchanger, second plate heat exchanger, frequency conversion compressor, first frequency conversion circulating pump and second frequency conversion circulating pump pass through the tube coupling to the connection port of pipeline and external equipment all sets up the right side at the bottom plate.
However, when the ground source heat pump unit works, the heat exchange medium after heat exchange directly enters the compressor through the air suction pipe of the compressor. Sometimes, the heat exchange medium part after heat exchange is in a liquid state, the heat exchange medium is in a gas-liquid mixed state, and if the liquid heat exchange medium enters the compressor, the cavity part of the compressor can cause liquid impact, so that the compressor is easily damaged. Therefore, improvement of the ground source heat pump unit is needed.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that needs to solve provides a novel ground source heat pump set to solve current ground source heat pump set and be the gas-liquid mixture form at the heat transfer medium that carries out the during operation after the heat transfer, directly enter into the compressor and cause the problem of damage to the compressor easily, in order to avoid the compressor impaired, prolong the holistic life of equipment.
In order to solve the technical problem, the utility model adopts the following technical proposal.
The novel ground source heat pump unit comprises a ground source side heat exchange mechanism and a user side heat exchange mechanism, wherein the ground source side heat exchange mechanism is used for introducing ground source water and performing heat exchange with the ground source water, the user side heat exchange mechanism is used for introducing user water and performing heat exchange with the user water, the ground source side heat exchange mechanism and the user side heat exchange mechanism are respectively arranged in a machine case, and a throttling device is communicated between the ground source side heat exchange mechanism and the user side heat exchange mechanism;
the machine case is also provided with a variable frequency compressor for converting a heat exchange medium from a low-pressure low-temperature state to a high-temperature high-pressure state, a condensing device for cooling the heat exchange medium converted by the variable frequency compressor, and a four-way valve for conveying the heat exchange medium processed by the variable frequency compressor or the condensing device into the ground source side heat exchange mechanism, wherein the variable frequency compressor is communicated with the four-way valve, the variable frequency compressor is communicated with the condensing device, the condensing device is communicated with the four-way valve, the four-way valve is communicated with the ground source side heat exchange mechanism, and the four-way valve is communicated with the user side heat exchange;
the condensing device comprises a condenser communicated with the variable-frequency compressor and a gas-liquid separator, wherein one end of the gas-liquid separator is communicated with the condenser, and the other end of the gas-liquid separator is communicated with the four-way valve.
According to the technical scheme, the ground source side heat exchange mechanism comprises a first variable frequency circulating pump arranged at the bottom end inside the case, a ground source water inlet pipe communicated with the water inlet end of the first variable frequency circulating pump, a first plate heat exchanger communicated with the water outlet end of the first variable frequency circulating pump and a ground source water outlet pipe communicated with the water outlet end of the first plate heat exchanger.
According to the technical scheme, the user side heat exchange mechanism comprises a second variable frequency circulating pump arranged at the bottom end of the inner portion of the case, a user water inlet pipe communicated with the water inlet end of the second variable frequency circulating pump, a second plate type heat exchanger communicated with the water outlet end of the second variable frequency circulating pump and a user water outlet pipe communicated with the water outlet end of the second plate type heat exchanger.
According to the technical scheme, the throttling device comprises an expansion valve communicated with the heat exchange medium outlet of the second plate heat exchanger and a drying filter, one end of the drying filter is communicated with the expansion valve, and the other end of the drying filter is communicated with the heat exchange medium outlet of the first plate heat exchanger.
Further optimize technical scheme, the condenser includes the comdenstion water box and sets up the fan on the comdenstion water box, and the inside of comdenstion water box is provided with the suction coil pipe that one end is linked together with frequency conversion compressor and the other end is linked together with vapour and liquid separator.
According to the technical scheme, the four-way valve is communicated with a heat exchange medium inlet of the first plate heat exchanger through a first plate heat exchanger connecting pipe a, and the four-way valve is connected with a heat exchange medium outlet of the second plate heat exchanger through a second plate heat exchanger connecting pipe a.
According to the technical scheme, the pressure sensor for detecting the pressure in the pipeline and the temperature sensor for detecting the water temperature in the pipeline are respectively arranged on the ground source water inlet pipe, the ground source water outlet pipe, the user water inlet pipe and the user water outlet pipe.
According to the technical scheme, a pressure relief mechanism for adjusting water pressure in the pipeline is arranged between the ground source water outlet pipe and the user water outlet pipe; the pressure relief mechanism comprises a first pressure relief pipe elbow communicated with the ground source water outlet pipe, a second pressure relief pipe elbow communicated with the user water outlet pipe and a pressure relief three-way pipe respectively communicated with the first pressure relief pipe elbow and the second pressure relief pipe elbow, a first electromagnetic two-way valve is arranged on the first pressure relief pipe elbow, a second electromagnetic two-way valve is arranged on the second pressure relief pipe elbow, and flow switches used for controlling flow in the pipeline are respectively arranged on the ground source water outlet pipe and the user water outlet pipe.
According to the technical scheme, a water supplementing mechanism for supplementing water when the water pressure in the pipeline is low is arranged between the ground source water inlet pipe and the user water inlet pipe; the water supplementing mechanism comprises a first water supplementing elbow communicated with the ground source water inlet pipe, a second water supplementing elbow communicated with the user water inlet pipe and a water supplementing three-way pipe respectively communicated with the first water supplementing elbow and the second water supplementing elbow, a third electromagnetic two-way valve is arranged on the first water supplementing elbow, and a fourth electromagnetic two-way valve is arranged on the second water supplementing elbow.
According to the technical scheme, the first plate heat exchanger and the second plate heat exchanger are arranged on a plate heat exchanger base, and the plate heat exchanger base is arranged on the bottom end face of the interior of the case through a plurality of first supporting columns; the variable frequency compressor is arranged on the variable frequency compressor base, and the variable frequency compressor base is arranged on the inner bottom end face of the case through the plurality of second supporting columns.
Due to the adoption of the technical scheme, the utility model discloses the technological progress who gains as follows.
The utility model discloses set up vapour and liquid separator in inverter compressor breathing pipe department, can carry out gas-liquid separation with the heat transfer medium who enters into inverter compressor, guaranteed effectively that liquid heat transfer medium can not enter into inverter compressor in, effectively avoided the impaired possibility of compressor, prolonged the holistic life of equipment.
The utility model discloses the device is when using winter, and the heat transfer medium after the frequency conversion compressor acting enters into condensing equipment and cools down, and in reentrant cross valve, it carries out the heat transfer to enter into user side heat transfer mechanism through the cross valve, reentrants ground source side heat transfer mechanism, returns frequency conversion compressor at last again, accomplishes the purpose of heating to user side heat transfer mechanism interior user water. Meanwhile, the device can also realize the purpose of refrigerating the user side heat exchange mechanism when used in summer, so that the ground source heat pump unit has stronger applicability.
The utility model discloses the user can be according to self demand settlement indoor ambient temperature, the back is opened to this device, the system is according to the data that pressure sensor and temperature sensor passback, combine system weather temperature, humidity data, the main control board provides operating parameter for the variable frequency controller of variable frequency compressor and variable frequency circulating pump, the output of dynamic adjustment variable frequency compressor and variable frequency circulating pump, for the indoor warm area change that provides 0.3 ℃ -1 ℃ of user, through the input power who adjusts variable frequency compressor and variable frequency circulating pump, reach energy saving and consumption reduction's purpose.
Drawings
Fig. 1 is a schematic view of the internal structure of the present invention;
fig. 2 is a schematic diagram of the internal structure of the present invention;
FIG. 3 is a side view of the internal structure of the present invention;
FIG. 4 is a schematic view of a part of the internal structure of the present invention;
fig. 5 is a schematic view of the external structure of the present invention;
FIG. 6 is a schematic view of a part of the structure of the present invention;
FIG. 7 is a schematic view showing the connection relationship among the inverter compressor, the four-way valve, the condenser and the gas-liquid separator of the present invention;
FIG. 8 is a schematic structural view of the four-way valve of the present invention;
fig. 9 is a schematic structural view of the throttling device of the present invention;
fig. 10 is a schematic view of a part of the structure of the condenser of the present invention;
fig. 11 is a cut-away view of the condenser of the present invention.
Wherein: 1. a chassis; 2. the system comprises a ground source side heat exchange mechanism 21, a first variable frequency circulating pump 22, a ground source water inlet pipe 23, a first connecting pipe 24, a first plate heat exchanger 25 and a ground source water outlet pipe; 3. a user side heat exchange mechanism 31, a second variable frequency circulating pump 32, a user water inlet pipe 33, a second connecting pipe 34, a second plate heat exchanger 35, a user water outlet pipe 36, a plate heat exchanger base 37 and a first supporting column; 4. the variable frequency compressor comprises a variable frequency compressor 41, a variable frequency compressor base 42 and a second supporting column; 5. the four-way valve 51, the valve body 52, the exhaust pipe 53 of the variable frequency compressor, the suction pipe 54 of the variable frequency compressor, the connecting pipes a and 55 of the first plate heat exchanger and the connecting pipe a of the second plate heat exchanger; 6. a condenser 61, a condensed water box 62, a fan 63 and an air suction coil pipe; 7. a gas-liquid separator 71, a feeding pipe 72 and a discharging pipe; 8. the device comprises a throttling device 81, an expansion valve 82, an expansion valve connecting elbow 83, a drying filter 85, first plate heat exchanger connecting pipes b and 86 and a second plate heat exchanger connecting pipe b; 9. the pressure relief mechanism comprises a pressure relief mechanism 91, a first pressure relief pipe elbow, a second pressure relief pipe elbow, a pressure relief three-way pipe 93, a pressure relief three-way pipe 94, a first electromagnetic two-way valve 95 and a second electromagnetic two-way valve; 10. the water replenishing mechanism comprises a water replenishing mechanism 101, a first water replenishing elbow, 102, a second water replenishing elbow, 103, a water replenishing three-way pipe, 104, a third electromagnetic two-way valve, 105 and a fourth electromagnetic two-way valve; 11. a pressure sensor; 12. a flow switch; 13. a main control panel.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
A novel ground source heat pump unit is shown in a combined mode in figures 1 to 11 and comprises a ground source side heat exchange mechanism 2, a user side heat exchange mechanism 3, a case 1, a throttling device 8, a variable frequency compressor 4, a condensing device and a four-way valve 5.
The ground source side heat exchange mechanism 2 is used for introducing ground source water and exchanging heat with the ground source water. The user side heat exchange mechanism 3 is used for introducing user water and exchanging heat with the user water. The ground source side heat exchange mechanism 2 and the user side heat exchange mechanism 3 are respectively arranged in the case 1.
The ground source side heat exchange mechanism 2 comprises a first variable frequency circulating pump 21 arranged at the bottom end inside the case 1, a ground source water inlet pipe 22 communicated with the water inlet end of the first variable frequency circulating pump 21, a first plate heat exchanger 24 communicated with the water outlet end of the first variable frequency circulating pump 21, and a ground source water outlet pipe 25 communicated with the water outlet end of the first plate heat exchanger 24. The heat exchange medium in the first plate heat exchanger 24 is not communicated with water. The first plate heat exchanger 24 is communicated with the water outlet end of the first variable-frequency circulating pump 21 through a first connecting pipe 23.
The user side heat exchange mechanism 3 comprises a second variable frequency circulating pump 31 arranged at the bottom end inside the case 1, a user water inlet pipe 32 communicated with the water inlet end of the second variable frequency circulating pump 31, a second plate heat exchanger 34 communicated with the water outlet end of the second variable frequency circulating pump 31, and a user water outlet pipe 35 communicated with the water outlet end of the second plate heat exchanger 34. The heat exchange medium in the second plate heat exchanger 34 is not in communication with water. The second plate heat exchanger 34 is communicated with the water outlet end of the second variable-frequency circulating pump 31 through a second connecting pipe 33.
And variable-frequency circulating pump shock pads are respectively arranged between the first variable-frequency circulating pump 21 and the chassis bottom plate and between the second variable-frequency circulating pump 31 and the chassis bottom plate.
The first plate heat exchanger 24 and the second plate heat exchanger 34 are arranged on a plate heat exchanger base 36, and the plate heat exchanger base 36 is arranged on the bottom end face of the interior of the cabinet through a plurality of first support columns 37. The first plate heat exchanger 24 and the second plate heat exchanger 34 use B3-95-48 type plate heat exchangers, respectively.
A throttling device 8 is communicated between the ground source side heat exchange mechanism 2 and the user side heat exchange mechanism 3, and heat exchange media in the ground source side heat exchange mechanism 2 and the user side heat exchange mechanism 3 are exchanged through the throttling device 8.
The throttle device 8 includes an expansion valve 81 and a dry filter 83. The expansion valve 81 is communicated with the heat exchange medium outlet of the second plate heat exchanger through a second plate heat exchanger connecting pipe b86, and the expansion valve 81 is an electronic expansion valve. One end of the dry filter 83 is communicated with the expansion valve 81 through the expansion valve connecting elbow 82, and the other end is communicated with the first plate heat exchanger heat exchange medium outlet through the first plate heat exchanger connecting pipe b 85.
When the heat exchange medium exchanges heat, the throttling device 8 firstly performs drying filtration through the drying filter 83, and then performs temperature reduction and pressure reduction through the expansion valve 81.
The case 1 is also provided with a variable frequency compressor 4, a condensing device, a four-way valve 5 and a main control board 13.
The main control board 13 is arranged above the condensing device and used for controlling the whole operation of the device, and the controlled ends of the ground source side heat exchange mechanism 2, the user side heat exchange mechanism 3, the condensing device, the variable frequency compressor 4 and the four-way valve 5 are respectively connected with the output end of the main control board 13.
The inverter compressor 4 is used for converting the heat exchange medium from a low-pressure low-temperature state to a high-temperature high-pressure state. The inverter compressor 4 is arranged on an inverter compressor base 41, and the inverter compressor base 41 is arranged on the inner bottom end face of the case through a plurality of second supporting columns 42. The utility model provides a model that inverter compressor 4 adopted is CA80KHDG-D1K2 type direct current inverter compressor.
The condensing equipment is used for cooling the heat exchange medium converted by the variable frequency compressor 4, so that the heat exchange medium can heat the user side heat exchange mechanism 3 after absorbing the heat of the ground source side heat exchange mechanism 2 in winter.
The four-way valve 5 is used for conveying heat exchange media processed by the variable frequency compressor 4 or the condensing device to the ground source side heat exchange mechanism 2, and the variable frequency compressor 4 is communicated with the four-way valve 5, the variable frequency compressor 4 is communicated with the condensing device, the condensing device is communicated with the four-way valve 5, the four-way valve 5 is communicated with the ground source side heat exchange mechanism 2, and the four-way valve 5 is communicated with the user side heat exchange mechanism 3 through pipelines.
The four-way valve 5 comprises a valve body 51, an exhaust pipe 52 of the inverter compressor, an air suction pipe 53 of the inverter compressor, a first plate heat exchanger connecting pipe a54 and a second plate heat exchanger connecting pipe a55, wherein the exhaust pipe 52 of the inverter compressor is communicated between the valve body 51 and the inverter compressor 4. The variable frequency compressor suction pipe 53 is arranged between the valve body 51 and the condenser 6 in a communicating manner. The first plate heat exchanger connecting pipe a54 is provided in communication between the valve body 51 and the first plate heat exchanger 24. The second plate heat exchanger connection pipe a55 is provided in communication between the valve body 51 and the second plate heat exchanger 34.
The condensing device comprises a condenser 6 communicated with the variable frequency compressor 4 and a gas-liquid separator 7, one end of which is communicated with the condenser 6 and the other end of which is communicated with the four-way valve 5.
The gas-liquid separator 7 is provided with a feed pipe 71 and a discharge pipe 72, the feed pipe 71 is communicated with the outlet of the suction coil 63, and the discharge pipe 72 is communicated with the valve body of the four-way valve 5.
The four-way valve 5 is communicated with a heat exchange medium inlet of the first plate heat exchanger through a first plate heat exchanger connecting pipe a54, and the four-way valve 5 is connected with a heat exchange medium outlet of the second plate heat exchanger through a second plate heat exchanger connecting pipe a 55. After heat exchange is carried out on the heat exchange medium in the ground source side heat exchange mechanism 2, the heat exchange medium is conveyed to the user side heat exchange mechanism 3 for heat exchange, and then returns to the interior of the variable frequency compressor 4 again.
The ground source water inlet pipe 22, the ground source water outlet pipe 25, the user water inlet pipe 32 and the user water outlet pipe 35 are respectively provided with a pressure sensor 11 for detecting the pressure in the pipeline and a temperature sensor for detecting the temperature of the water in the pipeline.
A pressure relief mechanism 9 for adjusting the water pressure in the pipeline is arranged between the ground source water outlet pipe 25 and the user water outlet pipe 35. The pressure relief mechanism 9 comprises a first pressure relief pipe elbow 91 communicated with the ground source water outlet pipe 25, a second pressure relief pipe elbow 92 communicated with the user water outlet pipe 35, and a pressure relief three-way pipe 93 respectively communicated with the first pressure relief pipe elbow 91 and the second pressure relief pipe elbow 92, the first pressure relief pipe elbow 91 is provided with a first electromagnetic two-way valve 94, the second pressure relief pipe elbow 92 is provided with a second electromagnetic two-way valve 95, and the ground source water outlet pipe 25 and the user water outlet pipe 35 are respectively provided with a flow switch 12 for controlling the flow in the pipeline.
A water replenishing mechanism 10 for replenishing water when the water pressure in the pipeline is low is arranged between the ground source water inlet pipe 22 and the user water inlet pipe 32. The water supplementing mechanism 10 comprises a first water supplementing elbow 101 communicated with the ground source water inlet pipe 22, a second water supplementing elbow 102 communicated with the user water inlet pipe 32 and a water supplementing three-way pipe 103 respectively communicated with the first water supplementing elbow 101 and the second water supplementing elbow 102, wherein the first water supplementing elbow 101 is provided with a third electromagnetic two-way valve 104, and the second water supplementing elbow 102 is provided with a fourth electromagnetic two-way valve 105.
Furthermore, the utility model discloses attached sound absorbing material noise reduction in unit panel inner face makes the unit reach the super-silent effect.
The utility model discloses use in summer, when refrigerating user side heat transfer mechanism 3, heat transfer medium makes low pressure microthermal gas change high temperature and high pressure gas into through frequency conversion compressor 4's acting, then heat transfer medium enters into cross valve 5 through frequency conversion compressor blast pipe 52 in, rethread first plate heat exchanger connecting pipe a54 enters into the first plate heat exchanger 24 of water source ground source side, heat transfer medium's heat is taken away by the water of water source ground source side, heat transfer medium is also by the condensation into liquid simultaneously, the throttling action through throttling arrangement changes into in the second plate heat exchanger 34 that low temperature low pressure liquid got into user side into. The circulating water of the user side transfers heat to the heat exchange medium in the second plate heat exchanger 34 of the user side, so that refrigeration is realized, meanwhile, the heat exchange medium is changed into gas after absorbing heat, the gas enters the four-way valve 5 through the second plate heat exchanger connecting pipe a55, the gas and liquid are separated in the gas-liquid separator 7 through the discharging pipe 72, then the gas enters the condenser 6 for condensation, and finally the gas enters the variable frequency compressor 4 for internal circulation work through the gas absorbing coil 63.
The utility model discloses when using in winter, when heating user side heat transfer mechanism 3, control cross valve 5 gets electricity, cross valve 5 carries out the pipeline and switches, heat transfer medium makes low pressure microthermal gas change high temperature and high pressure gas into through frequency conversion compressor 4's work, heat transfer medium passes through frequency conversion compressor blast pipe 52 and enters into cross valve 5 in then, heat transfer medium rethread second plate heat exchanger connecting pipe a55 enters into the second plate heat exchanger 34 of user side in, heat transfer medium gives the circulating water of user side in the second plate heat exchanger 34 with the heat transfer, thereby realize heating. Then, the heat exchange medium enters the first plate heat exchanger 24 on the water source ground source side through the throttling device, after absorbing heat in water on the water source ground source side, enters the four-way valve 5 through the first plate heat exchanger connecting pipe a54, enters the gas-liquid separator 7 through the discharge pipe 72 for gas-liquid separation, and then enters the air suction coil pipe 63, at this time, the condenser 6 does not need to work, and finally, the heat exchange medium enters the variable frequency compressor 4 through the air suction coil pipe 63 for circulation work.
The user sets indoor ambient temperature according to self demand, after the device is started, the system provides operation parameters for the variable frequency controllers of the variable frequency compressor and the variable frequency circulating pump according to data returned by the pressure sensor and the temperature sensor and by combining weather temperature and humidity data of the system, the main control board dynamically adjusts output power of the variable frequency compressor and the variable frequency circulating pump, temperature zone change of 0.3-1 ℃ is provided for the user indoor, and the purposes of saving energy and reducing consumption are achieved by adjusting input power of the variable frequency compressor and the variable frequency circulating pump.
Claims (10)
1. Novel ground source heat pump set, including being used for letting in ground source water and carrying out heat exchange's ground source side heat transfer mechanism (2) and be used for letting in user's water and carry out heat exchange's user side heat transfer mechanism (3) with user's water with ground source water, its characterized in that: the ground source side heat exchange mechanism (2) and the user side heat exchange mechanism (3) are respectively arranged in the case (1), and a throttling device (8) is communicated between the ground source side heat exchange mechanism (2) and the user side heat exchange mechanism (3);
the machine case (1) is also provided with a variable frequency compressor (4) for converting a heat exchange medium from a low-pressure low-temperature state to a high-temperature high-pressure state, a condensing device for cooling the heat exchange medium converted by the variable frequency compressor (4) and a four-way valve (5) for conveying the heat exchange medium processed by the variable frequency compressor (4) or the condensing device into the ground source side heat exchange mechanism (2), wherein the variable frequency compressor (4) is communicated with the four-way valve (5), the variable frequency compressor (4) is communicated with the condensing device, the condensing device is communicated with the four-way valve (5), the four-way valve (5) is communicated with the ground source side heat exchange mechanism (2) and the four-way valve (5) is communicated with the user side heat exchange mechanism (3) through pipelines;
the condensing device comprises a condenser (6) communicated with the variable-frequency compressor (4) and a gas-liquid separator (7) of which one end is communicated with the condenser (6) and the other end is communicated with the four-way valve (5).
2. The novel ground source heat pump unit of claim 1, characterized in that: the ground source side heat exchange mechanism (2) comprises a first variable frequency circulating pump (21) arranged at the bottom end inside the case (1), a ground source water inlet pipe (22) communicated with the water inlet end of the first variable frequency circulating pump (21), a first plate heat exchanger (24) communicated with the water outlet end of the first variable frequency circulating pump (21), and a ground source water outlet pipe (25) communicated with the water outlet end of the first plate heat exchanger (24).
3. The novel ground source heat pump unit of claim 2, wherein: the user side heat exchange mechanism (3) comprises a second variable frequency circulating pump (31) arranged at the bottom end inside the case (1), a user water inlet pipe (32) communicated with the water inlet end of the second variable frequency circulating pump (31), a second plate type heat exchanger (34) communicated with the water outlet end of the second variable frequency circulating pump (31), and a user water outlet pipe (35) communicated with the water outlet end of the second plate type heat exchanger (34).
4. The novel ground source heat pump unit of claim 3, wherein: the throttling device (8) comprises an expansion valve (81) communicated with the heat exchange medium outlet of the second plate heat exchanger and a drying filter (83) of which one end is communicated with the expansion valve (81) and the other end is communicated with the heat exchange medium outlet of the first plate heat exchanger.
5. The novel ground source heat pump unit of claim 3, wherein: the condenser (6) comprises a condensed water box (61) and a fan (62) arranged on the condensed water box (61), wherein an air suction coil (63) with one end communicated with the variable-frequency compressor (4) and the other end communicated with the gas-liquid separator (7) is arranged in the condensed water box (61).
6. The novel ground source heat pump unit of claim 3, wherein: the four-way valve (5) is communicated with a heat exchange medium inlet of the first plate heat exchanger through a first plate heat exchanger connecting pipe a (54), and the four-way valve (5) is connected with a heat exchange medium outlet of the second plate heat exchanger through a second plate heat exchanger connecting pipe a (55).
7. The novel ground source heat pump unit of claim 3, wherein: and the ground source water inlet pipe (22), the ground source water outlet pipe (25), the user water inlet pipe (32) and the user water outlet pipe (35) are respectively provided with a pressure sensor (11) for detecting the pressure in the pipeline and a temperature sensor for detecting the water temperature in the pipeline.
8. The novel ground source heat pump unit of claim 3, wherein: a pressure relief mechanism (9) for adjusting the water pressure in the pipeline is arranged between the ground source water outlet pipe (25) and the user water outlet pipe (35); the pressure relief mechanism (9) comprises a first pressure relief pipe elbow (91) communicated with the ground source water outlet pipe (25), a second pressure relief pipe elbow (92) communicated with the user water outlet pipe (35) and a pressure relief three-way pipe (93) respectively communicated with the first pressure relief pipe elbow (91) and the second pressure relief pipe elbow (92), a first electromagnetic two-way valve (94) is arranged on the first pressure relief pipe elbow (91), a second electromagnetic two-way valve (95) is arranged on the second pressure relief pipe elbow (92), and flow switches (12) used for controlling flow in the pipeline are respectively arranged on the ground source water outlet pipe (25) and the user water outlet pipe (35).
9. The novel ground source heat pump unit of claim 3, wherein: a water supplementing mechanism (10) for supplementing water when the water pressure in the pipeline is low is arranged between the ground source water inlet pipe (22) and the user water inlet pipe (32); the water supplementing mechanism (10) comprises a first water supplementing elbow (101) communicated with the ground source water inlet pipe (22), a second water supplementing elbow (102) communicated with the user water inlet pipe (32) and a water supplementing three-way pipe (103) respectively communicated with the first water supplementing elbow (101) and the second water supplementing elbow (102), a third electromagnetic two-way valve (104) is arranged on the first water supplementing elbow (101), and a fourth electromagnetic two-way valve (105) is arranged on the second water supplementing elbow (102).
10. The novel ground source heat pump unit of claim 3, wherein: the first plate type heat exchanger (24) and the second plate type heat exchanger (34) are arranged on a plate type heat exchanger base (36), and the plate type heat exchanger base (36) is arranged on the bottom end face of the interior of the case through a plurality of first supporting columns (37); the variable-frequency compressor (4) is arranged on a variable-frequency compressor base (41), and the variable-frequency compressor base (41) is arranged on the bottom end face of the interior of the case through a plurality of second supporting columns (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022075303.3U CN213020412U (en) | 2020-09-21 | 2020-09-21 | Novel ground source heat pump unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022075303.3U CN213020412U (en) | 2020-09-21 | 2020-09-21 | Novel ground source heat pump unit |
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| Publication Number | Publication Date |
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| CN213020412U true CN213020412U (en) | 2021-04-20 |
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| CN202022075303.3U Active CN213020412U (en) | 2020-09-21 | 2020-09-21 | Novel ground source heat pump unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117537507A (en) * | 2023-11-08 | 2024-02-09 | 江苏西墅新能源科技有限公司 | Ground source heat pump unit with sound insulation and noise reduction functions |
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2020
- 2020-09-21 CN CN202022075303.3U patent/CN213020412U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117537507A (en) * | 2023-11-08 | 2024-02-09 | 江苏西墅新能源科技有限公司 | Ground source heat pump unit with sound insulation and noise reduction functions |
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