CN220206101U - Split air source heat pump coupled ground source heat pump cooling and heating system - Google Patents
Split air source heat pump coupled ground source heat pump cooling and heating system Download PDFInfo
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- CN220206101U CN220206101U CN202320383230.5U CN202320383230U CN220206101U CN 220206101 U CN220206101 U CN 220206101U CN 202320383230 U CN202320383230 U CN 202320383230U CN 220206101 U CN220206101 U CN 220206101U
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 39
- 238000001816 cooling Methods 0.000 title claims abstract description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 99
- 230000008878 coupling Effects 0.000 claims abstract description 5
- 238000010168 coupling process Methods 0.000 claims abstract description 5
- 238000005859 coupling reaction Methods 0.000 claims abstract description 5
- 238000010257 thawing Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000010792 warming Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model provides a cooling and heating system of a split air source heat pump coupled ground source heat pump, which comprises: the buried pipe is buried underground and used for absorbing or releasing heat energy; the ground source heat pump unit is connected with a water supply pipe and a water return pipe at the ground source side and a water supply pipe and a water return pipe at the user side; the buffer water tank is communicated with a user side water supply pipeline and a water return pipeline of the ground source heat pump unit through pipelines; the air source heat pump is communicated with the buffer water tank through a third circulating pump and a second three-way reversing valve; and the fan coil is communicated with the air source heat pump through the buffer water tank and the third circulating pump. The split air source heat pump coupling ground source heat pump cooling and heating system can relieve the problem of low-temperature unbalance, improves the energy-saving effect of equipment, and can avoid the reduction of the room temperature in the defrosting period of the air source heat pump in winter.
Description
Technical Field
The utility model belongs to the technical field of heat supply and cooling equipment and facilities, and particularly relates to a split air source heat pump-coupled ground source heat pump cooling and heating system.
Background
When the air source heat pump technology is widely applied to civil buildings, the carbon emission of the buildings is reduced, good indoor environments of the buildings are created, and better economic benefits are achieved.
For example, chinese patent application publication No. CN202211082705.3 discloses an air source heat pump cooling and heating two-in-one unit, including the protection machine case, the inside fixedly connected with cold air pipe of protection machine case, the inside of protection machine case just is close to the position fixedly connected with hot-blast main of cold air pipe, the side of protection machine case just is close to cold air pipe tip, the equal fixedly connected with air outlet of hot-blast main tip, the side of protection machine case just is located the position fixedly connected with disc filter screen of air outlet, be provided with drive arrangement between the tip of cold air pipe and the corresponding both sides of tip and air outlet inner wall of hot-blast main, rotate between drive arrangement and the disc filter screen and be connected, the surface edge of disc filter screen is provided with auxiliary cleaning device, the tip fixedly connected with safety net of air outlet, the inner wall bottom of protection machine case is fixedly connected with dust absorption mechanism, dust absorption mechanism's work end and the tip of cold air pipe, the tip intercommunication of hot-blast main.
In the prior art, a single air source heat pump is adopted for supplying cooling and heating, and the technical problems exist in practical use.
Based on the problems existing in the prior art, the utility model provides a split air source heat pump-coupled ground source heat pump cooling and heating system.
Disclosure of Invention
The utility model provides a split air source heat pump-coupled ground source heat pump cooling and heating system.
The utility model adopts the following technical scheme:
a cooling and heating system of a split air source heat pump coupled with a ground source heat pump comprises:
the buried pipe is buried underground and used for absorbing or releasing heat energy;
the ground source heat pump unit is connected with a water supply pipe and a water return pipe at the ground source side and a water supply pipe and a water return pipe at the user side;
the buffer water tank is communicated with a user side water supply pipeline and a water return pipeline of the ground source heat pump unit through pipelines;
the air source heat pump is communicated with the buffer water tank through a third circulating pump and a second three-way reversing valve;
and the fan coil is communicated with the air source heat pump through the buffer water tank and the third circulating pump.
Further, the buffer water tank, the air source heat pump and the fan coil form a household air source heat pump device.
Further, the split air source heat pump device is provided with a plurality of sleeves.
Further, a first circulating pump is arranged on a water supply pipe at the ground source side of the ground source heat pump unit.
Further, a second circulating pump is arranged on a water supply pipe at the user side of the ground source heat pump unit.
Further, the air source heat pump is communicated with the fan coil through a second three-way reversing valve.
Further, a pipeline of the buffer water tank communicated with the water supply pipe of the ground source heat pump is provided with a first three-way reversing valve.
Further, the first three-way reversing valve is communicated with the ground source heat pump water return pipe.
Further, in the first three-way reversing valve, a valve communicated with a water return pipe of the ground source heat pump unit is closed, a valve communicated with the buffer water tank is opened, and a valve communicated with a water supply pipe of the ground source heat pump unit is opened.
Further, in the first three-way reversing valve, a valve communicated with a water return pipe of the ground source heat pump unit is opened, a valve communicated with the buffer water tank is closed, and a valve communicated with a water supply pipe of the ground source heat pump unit is opened.
Further, in the second three-way reversing valve, a valve communicated with the buffer water tank is closed, a valve communicated with the fan coil is opened, and a valve communicated with the air source heat pump is opened.
Further, a valve communicated with the buffer water tank in the second three-way reversing valve is opened, a valve communicated with the fan coil is closed, and a valve communicated with the air source heat pump is opened.
Compared with the prior art, the utility model has the advantages that:
according to the split air source heat pump coupling ground source heat pump cooling and heating system, the split air source heat pump is coupled with the ground source heat pump, and the ground source heat pump unit is used for cooling/heating at night, so that the ground source heat pump can be fully utilized, and compared with the air source heat pump or an air conditioner, the night equipment noise is avoided, and the interference to sleeping of people at night is avoided; the air source heat pump is mainly used for working in daytime, the load in daytime is low, the ground source heat pump unit is not started, and the air source heat pump of each user is flexibly started for cooling/heating according to the requirement, so that the energy consumption of equipment is reduced; the relative air temperature in the daytime in the heating period is higher, the operation efficiency of the air source heat pump is high, and the energy is saved; the ground source heat pump unit and the air source heat pump are coupled to intermittently run, and the heating load of the whole heating season is reduced relative to that of the independent ground source heat pump unit, so that the problem of low-temperature unbalance can be relieved, the energy-saving effect of equipment is improved, and the room temperature drop of the air source heat pump in a defrosting period of winter operation can be avoided.
Drawings
FIG. 1 is a schematic diagram of a split air source heat pump coupled ground source heat pump cooling and heating system in an embodiment of the utility model;
FIG. 2 is a diagram of the operation of the air source heat pump for independent cooling and heating in an embodiment of the utility model;
FIG. 3 is a diagram of the ground source heat pump for cooling and heating in an embodiment of the present utility model;
FIG. 4 is a diagram of the operation of winter air source heat pump defrosting in an embodiment of the utility model;
fig. 5 is an intermittent operation diagram of a split air source heat pump coupled with a ground source heat pump for cooling and heating in an embodiment of the utility model.
In the figure, RB1 … RBn-split air source heat pump device, 1-buried pipe, 2-first circulating pump, 3-ground source heat pump unit, 4-second circulating pump, 5-first three-way reversing valve, 6-buffer water tank, 7-controller, 8-third circulating pump, 9-air source heat pump, 10-second three-way reversing valve and 11-fan coil.
Detailed Description
In order that the above-recited objects, features and advantages of the present utility model can be more clearly understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings, it being understood that the embodiments and features of the embodiments may be combined with each other without conflict.
Examples
As shown in fig. 1, the split air source heat pump coupling ground source heat pump cooling and heating system comprises a plurality of split air source heat pump devices, a ground source heat pump unit and a ground buried pipe thereof;
specifically, the household air source heat pump coupling ground source heat pump cooling and heating system comprises:
the buried pipe 1 is buried underground and used for absorbing or releasing heat energy;
the ground source heat pump unit 3 is connected with a water supply pipe and a water return pipe at the ground source side and a water supply pipe and a water return pipe at the user side;
the buffer water tank 6 is communicated with a user side water supply pipeline and a water return pipeline of the ground source heat pump unit 3 through pipelines;
an air source heat pump 9 which is communicated with the buffer water tank 6 through a third circulating pump 8 and a second three-way reversing valve 10;
a fan coil 11 is communicated with the air source heat pump 9 through the buffer water tank 6 and the third circulating pump 8;
the split air source heat pump device RBn consists of an air source heat pump 9, a first three-way reversing valve 5, a buffer water tank 6, a tail end circulating pump 8, a second three-way reversing valve 10, a fan coil 11 and a connecting pipeline.
The household air source heat pump device RBn is provided with a plurality of sleeves, and the sleeves are installed on terraces of all users of all residential floors or are installed in a wall-hanging mode.
A first circulating pump 2 is arranged on a water supply pipe at the ground source side of the ground source heat pump unit 3;
a second circulating pump 4 is arranged on a water supply pipe at the user side of the ground source heat pump unit 3;
the air source heat pump 9 is communicated with the fan coil 11 through the second three-way reversing valve 10;
the buffer water tank 6 is communicated with a pipeline of a water supply pipe of the ground source heat pump unit 3 and is provided with a first three-way reversing valve 5;
the first three-way reversing valve 5 is communicated with a water return pipe of the ground source heat pump 9.
The buffer water tank 6 is provided with a controller 7, the controller 7 is connected with the first three-way reversing valve 5 through a control line, the opening and closing of the first three-way reversing valve 5 is controlled through a signal transmitted by a temperature sensor arranged in the buffer water tank 6, the water temperature in the buffer water tank 6 is not lower than a lower limit value during heating, when the water temperature is lower than the lower limit value, a valve communicated with a water return pipe of the ground source heat pump unit 3 in the first three-way reversing valve 5 is closed, a valve communicated with the buffer water tank 6 is opened, a valve communicated with a water supply pipe of the ground source heat pump unit 3 is opened, heat is supplemented by the ground source heat pump unit 3, and when the water temperature reaches an upper limit value, a valve communicated with the water return pipe of the ground source heat pump unit 3 in the first three-way reversing valve 5 is opened, a valve communicated with the buffer water tank 6 is closed, and a valve communicated with a water supply pipe of the ground source heat pump unit 3 is opened;
the second three-way reversing valve 10 is connected with the air source heat pump 9 through a control line, and the air source heat pump 9 controls the second three-way reversing valve 10 and the third circulating pump by a self-contained controller;
the controller 7 adopts a UC5533-SC1 type controller.
As shown in fig. 2, when the air source heat pump 9 is operated independently for cooling and heating, the valve in the second three-way reversing valve 10, which is communicated with the buffer water tank 6, the valve in the fan coil 11, the valve in the air source heat pump 9, is opened, the third circulation pump 8 and the air source heat pump 9 are controlled to start and stop according to the temperature of the buffer water tank 6, and when the air source heat pump 9 is defrosted in winter, the valve in the second three-way reversing valve 10, which is communicated with the buffer water tank 6, the valve in the fan coil 11, the valve in the air source heat pump 9, is opened, and the air source heat pump 9 starts defrosting;
as shown in fig. 3, in the set period, the first circulation pump 2, the second circulation pump 4 and the ground source heat pump unit 3 are started at the same time, the valve in the first three-way reversing valve 5, which is communicated with the water inlet end of the ground source heat pump unit 3, the valve in the buffer water tank 6, which is communicated with the water outlet end of the ground source heat pump unit 3, is opened, the ground source heat pump unit 3 does not supply heat to the buffer water tank 6, the third circulation pump 8 is started and stopped according to the indoor temperature set value, so that water circulates between the buffer water tank 6 and the fan coil 11 to realize indoor cooling and warming, and when no cooling and warming demands exist at the tail end, the third circulation pump 8 stops circulating, and the valve in the first three-way reversing valve 5, which is communicated with the water inlet end of the ground source heat pump unit 3, the valve in the buffer water tank 6, and the valve in the water outlet end of the ground source heat pump unit 3 are opened.
As shown in fig. 4, when the air source heat pump starts the defrosting function, the valve connected to the buffer water tank 6 in the second three-way reversing valve 10 is closed, the valve connected to the fan coil 11 is opened, the valve connected to the air source heat pump 9 is opened, and the ground source heat pump unit 3, the first circulating pump 2 and the second circulating pump 4 start heating.
In the case of cooling in summer or heating in winter, as shown in fig. 5, the controller 7 of each buffer water tank 6 turns off the cooling or heating of the ground source heat pump unit 3 according to the first three-way reversing valve 5 corresponding to the water temperature control, and first, the air source heat pump 9 is used for preferentially cooling or heating, and when the water temperature of a certain buffer water tank 6 is lower than a set temperature value, the controller 7 of the buffer water tank 6 controls the corresponding first three-way reversing valve 5 to turn on the cooling or heating of the ground source heat pump unit 3.
The present utility model is not limited to the above-described embodiments, and the above-described embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims.
Claims (10)
1. The utility model provides a cooling and heating system is supplied to split air source heat pump coupling ground source heat pump which characterized in that includes:
the buried pipe is buried underground and used for absorbing or releasing heat energy;
the ground source heat pump unit is connected with a water supply pipe and a water return pipe at the ground source side and a water supply pipe and a water return pipe at the user side;
the buffer water tank is communicated with a user side water supply pipeline and a water return pipeline of the ground source heat pump unit through pipelines, and a first three-way reversing valve is arranged on the pipeline, which is communicated with a water supply pipe of the ground source heat pump unit, of the buffer water tank;
the air source heat pump is communicated with the buffer water tank through a third circulating pump and a second three-way reversing valve;
and the fan coil is communicated with the air source heat pump through the buffer water tank and the third circulating pump.
2. The split air-source heat pump-coupled ground-source heat pump cooling and heating system of claim 1, wherein the buffer tank, the air-source heat pump and the fan coil form a split air-source heat pump device.
3. The split air-source heat pump-coupled ground source heat pump cooling and heating system according to claim 2, wherein the split air-source heat pump device is provided with a plurality of sleeves.
4. The split air source heat pump-coupled ground source heat pump cooling and heating system according to claim 1, wherein a first circulating pump is arranged on a water supply pipe at the ground source side of the ground source heat pump unit.
5. The split air-source heat pump-coupled ground source heat pump cooling and heating system according to claim 1 or 4, wherein a second circulating pump is arranged on a water supply pipe at a user side of the ground source heat pump unit.
6. The split air-source heat pump-coupled ground-source heat pump cooling and heating system of claim 1, wherein the air-source heat pump is in communication with the fan coil via a second three-way reversing valve.
7. The split air-source heat pump-coupled ground source heat pump cooling and heating system according to claim 1, wherein a valve of the first three-way reversing valve, which is communicated with a water return pipe of the ground source heat pump unit, is closed, a valve of the first three-way reversing valve, which is communicated with the buffer water tank, is opened, and a valve of a water supply pipe of the ground source heat pump unit is opened.
8. The split air-source heat pump-coupled ground source heat pump cooling and heating system according to claim 1, wherein a valve communicated with a water return pipe of the ground source heat pump unit in the first three-way reversing valve is opened, a valve communicated with the buffer water tank is closed, and a valve communicated with a water supply pipe of the ground source heat pump unit is opened.
9. The split air-source heat pump-coupled ground-source heat pump cooling and heating system according to claim 1, wherein a valve communicated with the buffer water tank in the second three-way reversing valve is closed, a valve communicated with the fan coil is opened, and a valve communicated with the air-source heat pump is opened.
10. The split air-source heat pump-coupled ground-source heat pump cooling and heating system according to claim 1, wherein a valve communicated with the buffer water tank in the second three-way reversing valve is opened, a valve communicated with the fan coil is closed, and a valve communicated with the air-source heat pump is opened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320383230.5U CN220206101U (en) | 2023-03-03 | 2023-03-03 | Split air source heat pump coupled ground source heat pump cooling and heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320383230.5U CN220206101U (en) | 2023-03-03 | 2023-03-03 | Split air source heat pump coupled ground source heat pump cooling and heating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220206101U true CN220206101U (en) | 2023-12-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320383230.5U Active CN220206101U (en) | 2023-03-03 | 2023-03-03 | Split air source heat pump coupled ground source heat pump cooling and heating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220206101U (en) |
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2023
- 2023-03-03 CN CN202320383230.5U patent/CN220206101U/en active Active
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