CN210399125U

CN210399125U - Cold, heat and water combined supply system with regional energy displacement

Info

Publication number: CN210399125U
Application number: CN201921382776.9U
Authority: CN
Inventors: 孙强; 秦佳贺; 原书瑶; 何志强
Original assignee: Northeast Forestry University
Current assignee: Northeast Forestry University
Priority date: 2019-08-24
Filing date: 2019-08-24
Publication date: 2020-04-24
Anticipated expiration: 2029-08-24

Abstract

The utility model discloses a cold, heat, water ally oneself with confession system that regional energy shifted, including water supply line, water supply line is connected with heat source pipeline and cold source pipeline respectively through two sets of pipelines I, heat source pipeline and cold source pipeline are connected with first air conditioner water source heat pump set, second air conditioner water source heat pump set and third air conditioner water source heat pump set respectively through pipeline II, pipeline III and pipeline IV and carry out cold supply, heat supply and supply life hot water, water supply line supplies straight drinking water in water purification unit through pipeline V connection, be equipped with pressure differential control system control water inlet and outlet flow on heat source pipeline and the cold source pipeline, carry out retaining and sluicing through energy storage water tank to supply domestic water through pipeline VI. The utility model relates to a novel regional energy supply water supply system realizes the aversion complementary utilization of energy in the region, improves and uses the efficiency, realizes that user side classification divides the grade quality to supply water, and abundant rational utilization renewable energy promotes user's comfort level of living.

Description

Cold, heat and water combined supply system with regional energy displacement

Technical Field

The utility model relates to a regional energy comprehensive utilization technical field specifically is a cold, heat, water ally oneself with confession system that regional energy shifted.

Background

At the present stage, excessive exploitation and utilization of global fossil energy brings serious energy crisis and environmental damage to human beings, global warming, haze problems and the like seriously affect daily life of people, and aiming at the problems, energy conservation, emission reduction and full utilization of renewable energy sources become inevitable trends of energy development and utilization.

With the rapid development of social economy, the energy consumption of China in social development increases year by year, especially in the building industry, the annual building energy consumption accounts for about one third of the total social energy consumption of China, and the largest proportion of the building energy consumption is the energy consumption of heating and air conditioning in buildings. Therefore, the energy consumption of building heating and air conditioning is reasonably and effectively reduced, renewable energy is fully utilized in building energy supply, the energy consumption of buildings increased year by year can be naturally and greatly relieved, and the emission of pollutants is reduced.

At present, regional energy supply and water supply in China generally adopt extensive supply, most of the existing building heating and air conditioning technologies are designed only aiming at energy supply systems of single buildings, the regional energy supply only carries out independent heat supply and cold supply on buildings in the region, and the comprehensive consideration is not carried out on the energy utilization characteristics of the buildings in the region. In the aspect of regional water supply, hierarchical and quality-based supply is not performed in China, hot water and direct drinking water supply of regional buildings is not comprehensively realized, the living comfort of users is greatly influenced, water resources are not fully and reasonably utilized in daily life, and further the waste of water resources is caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cold, heat, water ally oneself with confession system that regional energy shifted, make full use of renewable energy realizes that the building in the region is with the complementary utilization that can shift, realizes regional building heat supply and cooling simultaneously to realize that regional building divides the matter to supply water in grades.

In order to achieve the above object, the utility model provides a following technical scheme: a cold, hot and water combined supply system for regional energy displacement comprises a water supply pipeline, wherein the water supply pipeline is respectively connected with a heat source pipeline and a cold source pipeline through two groups of pipelines I, the cold source pipeline and the heat source pipeline are respectively connected with a first air-conditioning water source heat pump unit, a second air-conditioning water source heat pump unit and a third air-conditioning water source heat pump unit through pipelines II, III and IV, a cold water outlet pipe of the first air-conditioning water source heat pump unit is connected with the cold supply pipeline, a hot water outlet pipe of the second air-conditioning water source heat pump unit is connected with the heat supply pipeline, a hot water outlet pipe of the third air-conditioning water source heat pump unit is connected with a domestic hot water pipeline, the water supply pipeline is connected with a water purification device through a pipeline V, the water purification device is connected with a direct drinking water pipeline, and connect in domestic water pipe through two sets of pipelines VI, the heat source pipeline connects respectively in first energy storage water tank through two sets of pipelines VII, the cold source pipeline connects respectively in second energy storage water tank through two sets of pipelines VIII, first energy storage water tank includes the box, sets up in the left processing apparatus of intaking in box upper end and sets up in the play water treatment facilities of box right-hand member lower part, second energy storage water tank is the same with first energy storage water tank structure, in addition, the heat source pipeline still is connected with supplementary heat source device.

Preferably, install water pump I on the pipeline II that first air conditioner water source heat pump set and cold source pipeline are connected, install water pump II on the pipeline III that second air conditioner water source heat pump set and heat source pipeline are connected, when the building needs the cooling, utilize water pump I to get water from the cold source pipeline through pipeline II, send into first air conditioner water source heat pump set and carry out the heat exchange, and pour into the heat source pipeline with taking away the thermal water of building, when the building needs the heat supply, utilize water pump II to get water from the heat source pipeline through pipeline III, send into second air conditioner water source heat pump set and carry out the heat exchange, and inject the low temperature water after the release energy into the cold source pipeline, thereby realize the displacement utilization of regional energy, the temperature range of low temperature water is between 5 degrees centigrade to 25 degrees centigrade.

Preferably, the differential pressure control system comprises a pressure sensor I, a pressure sensor II and a controller I which are respectively installed in a heat source pipeline and a cold source pipeline, a water pump III and an electromagnetic valve I are installed on the pipeline I, connected with the water supply pipeline, of the heat source pipeline, a water pump IV and an electromagnetic valve II are further installed on the pipeline I, connected with the water supply pipeline, of the cold source pipeline, and the controller I is respectively and electrically connected with the pressure sensor I, the pressure sensor II, the water pump III, the water pump IV, the electromagnetic valve I and the electromagnetic valve II.

Preferably, the pressure difference control system further comprises a pressure difference sensor I and a controller II which are arranged between the heat source pipeline and the cold source pipeline, a water pump V and an electromagnetic valve III which are arranged in a pipeline VI where the domestic water pipe is connected with the heat source pipeline, and a water pump VI and an electromagnetic valve IV which are arranged in a pipeline VI where the domestic water pipe is connected with the cold source pipeline, wherein the controller II is electrically connected with the pressure difference sensor I, the water pump V, the water pump VI, the electromagnetic valve III and the electromagnetic valve IV respectively.

Preferably, the differential pressure control system further comprises a liquid level controller I and a liquid level controller II which are respectively installed on the first energy storage water tank and the second energy storage water tank, the heat source pipeline and the cold source pipeline are respectively provided with a pressure sensor III and a pressure sensor IV as well as a controller III and a controller IV, the water pump VII, the water pump VIII, the electromagnetic valve V and the electromagnetic valve VI which are respectively installed in the two groups of pipelines VII which are connected with the heat source pipeline of the first energy storage water tank, and the water pump IX, the water pump X, the electromagnetic valve VII and the electromagnetic valve VIII which are respectively installed in the two groups of pipelines VIII which are connected with the cold source pipeline of the second energy storage water tank, the controller III is respectively and electrically connected with the pressure sensor III, the liquid level controller I, the water pump VII, the water pump VIII, the electromagnetic valve V and the electromagnetic valve VI, and the controller IV is respectively and electrically connected with the pressure sensor IV, the, A water pump X, a solenoid valve VII and a solenoid valve VIII.

Preferably, the pressure sensor I and the pressure sensor II respectively measure the pressure at certain points in the heat source pipeline and the cold source pipeline; when the pressure at some points of the heat source pipeline is smaller than a certain limit value I, the controller I controls the water pump III and the electromagnetic valve I to be opened, and when the pressure at some points reaches a certain limit value II, the controller I controls the water pump III and the electromagnetic valve I to be closed; when the pressure at some point of the cold source pipeline is smaller than a certain limit value III, the controller I controls the water pump IV and the electromagnetic valve II to be opened, and when the pressure at some point reaches the certain limit value IV, the controller I controls the water pump IV and the electromagnetic valve II to be closed.

Preferably, the differential pressure sensor I measures the pressure difference between certain points in the heat source pipeline and the cold source pipeline; when the pressure difference at certain points is greater than a certain limit value V, the controller II controls the water pump V and the electromagnetic valve III to be opened, and the water pump VI and the electromagnetic valve IV to be closed; when the pressure difference is smaller than a certain limit value VI, the controller II controls the water pump VI and the electromagnetic valve IV to be opened, and the water pump V and the electromagnetic valve III are closed.

Preferably, the pressure sensor III and the pressure sensor IV respectively measure the pressure at certain points in the heat source pipeline and the cold source pipeline, and the liquid level controller I and the liquid level controller II respectively measure the liquid level heights of the first energy storage water tank and the second energy storage water tank; when the pressure at certain points of the heat source pipeline is greater than a certain limit value VII, the controller III controls the water pump VII and the electromagnetic valve V to be opened, so that water is filled into the first energy storage water tank, and when the liquid level height of the first energy storage water tank reaches a certain set highest liquid level value I, the controller III controls the water pump VII and the electromagnetic valve V to be closed; when the pressure at some points of the heat source pipeline is smaller than a certain limit value VIII, the controller III controls the water pump VIII and the electromagnetic valve VI to be opened, so that water is injected into the heat source pipeline, and when the pressure at some points of the heat source pipeline reaches a certain limit value IX or the liquid level height of the first energy storage water tank is lower than a certain set lowest liquid level value II, the water pump VIII and the electromagnetic valve VI are closed; when the pressure at certain points of the cold source pipeline is greater than a certain limit value X, the controller IV controls the water pump IX and the electromagnetic valve VII to be opened, so that water is filled into the second energy storage water tank, and when the liquid level height of the second energy storage water tank reaches a certain set highest liquid level value III, the controller IV controls the water pump IX and the electromagnetic valve VII to be closed; when the pressure at certain points of the cold source pipeline is smaller than a certain limit value XI, the controller IV controls the water pump X and the electromagnetic valve VIII to be opened, so that water is injected into the cold source pipeline, and when the pressure at certain points of the cold source pipeline reaches a certain limit value XII or the liquid level height of the second energy storage water tank is lower than a certain set lowest liquid level value IV, the water pump X and the electromagnetic valve VIII are closed.

Preferably, the hot water discharged from the hot water outlet pipe of the third air-conditioning water source heat pump unit can be used as domestic hot water, and the water discharged from the water outlet pipe of the water purification device can be directly drunk.

Preferably, when the water temperature in the heat source pipeline is low, the water temperature in the pipeline can be raised by starting an auxiliary heat source device, the auxiliary heat source device comprises a solar water heating system, an air source heat pump system and a sewage source heat pump system, and the low water temperature means that the water temperature is lower than 7 ℃.

Preferably, the processing apparatus that intakes of first energy storage water tank and second energy storage water tank includes first rose box, the upper end of first rose box is equipped with first mounting panel, the upper end of first mounting panel is equipped with the return bend of intaking of being connected with the heat source pipeline, the lower extreme of first mounting panel is equipped with the sealing washer, first mounting panel is through first fix with screw in the backup pad in box upper end left side open slot.

Preferably, be equipped with filtration in the first rose box, filtration includes the frame box, be equipped with the first inserting groove that is used for the level setting of the first filter of pegging graft in the frame box, the right-hand member of first rose box still is equipped with the first closing plate that is used for sealed filtration, first closing plate passes through the right-hand member face of second fix with screw in first rose box.

Preferably, the water treatment facilities of first energy storage water tank and second energy storage water tank include that left end and upper end are the second rose box that the opening set up, the right-hand member of second rose box is equipped with the second mounting panel, the right-hand member middle part of second mounting panel is equipped with the leading water pipe with box inner chamber intercommunication, the second rose box inserts in the mounting groove of box right-hand member lower part and through the third screw installation on the second mounting panel fixed.

Preferably, a second inserting groove used for inserting a second filter plate and vertically arranged is arranged in the second filter box, and a second sealing plate is fixedly mounted at the upper end of the second filter box through a fourth screw.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses make full use of renewable energy is a neotype regional energy supply water supply system, realizes the aversion complementary utilization of regional internal energy, improves and uses the efficiency, realizes that the user inclines to divide grade quality and supplies water, and abundant rational utilization renewable energy promotes user's life comfort level.

Drawings

FIG. 1 is a schematic diagram of the system and function of the present invention;

FIG. 2 is a schematic diagram showing the connection of the components of the system of the present invention;

FIG. 3 is a schematic view of the first energy-storing water tank according to the present invention;

FIG. 4 is a schematic view of the first filtering box and the filtering structure of the present invention;

fig. 5 is a schematic view of the second filtering box, the second filtering plate and the second sealing plate of the present invention.

In the figure: 1 water supply pipeline, 2 auxiliary heat source device, 21 box, 22 open slot, 23 support plate, 24 sealing ring, 25 first filter box, 26 water inlet bent pipe, 27 first screw, 28 first mounting plate, 29 frame box, 290 first inserting groove, 30 first filter plate, 31 first sealing plate, 32 second screw, 33 mounting groove, 34 second filter box, 340 second inserting groove, 35 water leading pipe, 36 second filter plate, 37 second sealing plate, 38 fourth screw, 39 third screw, 40 second mounting plate, 3 heat source pipeline, 4 cold source pipeline, 5 first air conditioning water source heat pump unit, 6 second air conditioning water source heat pump unit, 7 third air conditioning water source heat pump unit, 8 water purification device, 9 domestic water pipe, 10 first energy storage water tank, 11 second energy storage water tank, 12 domestic hot water pipe, 13 direct drinking water pipeline, 14 heat supply pipeline, 15 cold supply pipeline.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a cold, hot and water combined supply system for regional energy displacement comprises a water supply pipeline, wherein the water supply pipeline is respectively connected with a heat source pipeline and a cold source pipeline through two groups of pipelines I, the cold source pipeline and the heat source pipeline are respectively connected with a first air-conditioning water source heat pump unit, a second air-conditioning water source heat pump unit and a third air-conditioning water source heat pump unit through pipelines II, III and IV, a cold water outlet pipe of the first air-conditioning water source heat pump unit is connected with the cold supply pipeline, a hot water outlet pipe of the second air-conditioning water source heat pump unit is connected with a heat supply pipeline, a hot water outlet pipe of the third air-conditioning water source heat pump unit is connected with a domestic hot water pipeline, the water supply pipeline is connected with a water purification device through a pipeline V, the water purification device is connected with a direct drinking water pipeline, and is connected to the domestic water pipe through two sets of pipelines VI, the heat source pipeline is connected to the first energy storage water tank through two sets of pipelines VII respectively, in addition, the heat source pipeline still is connected with solar water heating system and air source heat pump system.

Specifically, install water pump I on the pipeline II that first air conditioner water source heat pump set and cold source pipeline are connected, install water pump II on the pipeline III that second air conditioner water source heat pump set and heat source pipeline are connected, when the building needs the cooling, utilize water pump I to get water from the cold source pipeline through pipeline II, send into first air conditioner water source heat pump set and carry out the heat exchange, and pour into the heat source pipeline with taking away the thermal water of building, when the building needs the heat supply, utilize water pump II to get water from the heat source pipeline through pipeline III, send into second air conditioner water source heat pump set and carry out the heat exchange, and pour into the cold source pipeline to the low temperature water after the release energy, thereby realize the aversion utilization of regional energy.

Specifically, the water discharged from the hot water outlet pipe of the third air-conditioning water source heat pump unit can be used as domestic hot water, and the water discharged from the water outlet pipe of the water purification treatment device can be directly drunk.

Specifically, when the water temperature in the heat source pipeline is lower than a certain water temperature set value I, the solar water heating system injects water with relatively high temperature into the heat source pipeline, and when the solar water heating system cannot meet the requirement of water temperature rise, the air source heat pump system can be started to further raise the water temperature of the heat source pipeline.

Specifically, the pressure difference control system comprises a pressure sensor I and a pressure sensor II which are respectively arranged in the heat source pipeline and the cold source pipeline, and a pressure difference sensor I between the heat source pipeline and the cold source pipeline, and further comprises a controller I, a controller II and a controller III, wherein a water pump III and an electromagnetic valve I are arranged on the pipeline I which is connected with the heat source pipeline and the water supply pipeline, a water pump IV and an electromagnetic valve II are also arranged on the pipeline I which is connected with the cold source pipeline and used for supplying water to the heat source pipeline and the cold source pipeline, a water pump V and an electromagnetic valve III are arranged in a pipeline VI which is connected with the domestic water pipe and the heat source pipeline, a water pump VI and an electromagnetic valve IV are arranged in a pipeline VI which is connected with the domestic water pipe and the cold source pipeline, a water pump VII is arranged on the heat source pipeline, a water pump VIII is arranged on the cold, therefore, water in the heat source pipeline and the cold source pipeline circularly flows, the controller I is electrically connected to the pressure sensor I, the water pump III, the water pump VII and the electromagnetic valve I respectively, the controller II is electrically connected to the pressure sensor II, the water pump IV, the water pump VIII and the electromagnetic valve II respectively, and the controller III is electrically connected to the differential pressure sensor I, the water pump V, the water pump VI, the electromagnetic valve III and the electromagnetic valve IV respectively.

Specifically, the pressure difference control system further comprises a liquid level controller I installed on the first energy storage water tank respectively, a pressure sensor III and a controller IV are installed on the heat source pipeline, a water pump IX, a water pump X, a solenoid valve V and a solenoid valve VI are installed in two groups of pipelines VII, connected with the heat source pipeline, of the first energy storage water tank respectively, and the controller IV is electrically connected to the pressure sensor III, the liquid level controller I, the water pump IX, the water pump X, the solenoid valve V and the solenoid valve VI respectively.

Specifically, the pressure sensor I measures the pressure at some point in the heat source pipeline; when the pressure at certain points of the heat source pipeline is smaller than a specified value I, the controller I increases the frequency of a circulating water pump VII of the heat source pipeline, so that the flow of the heat source pipeline is increased; when the pressure at certain points of the heat source pipeline is greater than a specified value II, the controller I reduces the frequency of a circulating water pump VII of the heat source pipeline, so that the flow of the heat source pipeline is reduced; when the pressure at some points of the heat source pipeline is smaller than a certain limit value I, the controller I controls the water pump III and the electromagnetic valve I to be opened, so that water is injected into the heat source pipeline, and when the pressure at some points reaches a certain limit value II, the controller I controls the water pump III and the electromagnetic valve I to be closed;

specifically, the pressure sensor II measures the pressure at certain points in the cold source pipeline; when the pressure at certain points of the cold source pipeline is smaller than a specified value III, the controller II improves the frequency of a circulating water pump VIII of the cold source pipeline, so that the flow of the cold source pipeline is increased; when the pressure at certain points of the cold source pipeline is greater than a specified value IV, the controller II reduces the frequency of a circulating water pump VIII of the cold source pipeline, so that the flow of the cold source pipeline is reduced; when the pressure at some point of the cold source pipeline is smaller than a certain limit value III, the controller II controls the water pump IV and the electromagnetic valve II to be opened, so that water is injected into the cold source pipeline, and when the pressure at some point reaches the certain limit value IV, the controller I controls the water pump IV and the electromagnetic valve II to be closed.

Specifically, the differential pressure sensor I measures the pressure difference of certain points in the heat source pipeline and the cold source pipeline; when the pressure difference at certain measured points is greater than a certain limit value IV, the controller III controls the water pump V and the electromagnetic valve III to be opened, and the water pump VI and the electromagnetic valve IV are closed; when the pressure difference is smaller than a certain limit value V, the controller III controls the water pump VI and the electromagnetic valve IV to be opened, and the water pump V and the electromagnetic valve III are closed.

Specifically, the pressure sensor III measures the pressure at some points of the heat source pipeline, and the liquid level controller I measures the liquid level height of the energy storage water tank; when the pressure at some point of the heat source pipeline is greater than a certain limit value VI, the controller IV controls the water pump IX and the electromagnetic valve V to be opened so as to fill water into the energy storage water tank, and when the liquid level height of the energy storage water tank reaches a certain set highest liquid level value I, the controller IV controls the water pump IX and the electromagnetic valve V to be closed; when the pressure at certain points of the heat source pipeline is smaller than a certain limit value VII, the controller IV controls the water pump X and the electromagnetic valve VI to be opened, so that water is injected into the heat source pipeline, and when the pressure at certain points of the heat source pipeline reaches the certain limit value VIII or the liquid level height of the first energy storage water tank is lower than a certain set lowest liquid level value II, the water pump X and the electromagnetic valve VI are closed;

specifically, energy storage water tank water treatment facilities includes first rose box 25, the upper end of first rose box 25 is equipped with first mounting panel 28, the upper end of first mounting panel 28 is equipped with the return bend 26 of intaking of being connected with heat source pipe way 3, the lower extreme of first mounting panel 28 is equipped with sealing washer 24, first mounting panel 28 is fixed on the backup pad 23 in box 21 upper end left side open slot 22 through first screw 27.

Specifically, a filtering structure is arranged in the first filtering box 25, the filtering structure includes a frame box 29, a first inserting groove 290 horizontally arranged for inserting the first filtering plate 30 is arranged in the frame box 29, a first sealing plate 31 for sealing the filtering structure is further arranged at the right end of the first filtering box 25, and the first sealing plate 31 is fixed on the right end face of the first filtering box 25 through a second screw 32.

Specifically, first energy storage water tank goes out water treatment facilities includes that left end and upper end are the second rose box 34 that the opening set up, the right-hand member of second rose box 34 is equipped with second mounting panel 40, the right-hand member middle part of second mounting panel 40 is equipped with the leading water pipe 35 with the inner chamber intercommunication of box 21, second rose box 34 inserts in the mounting groove 33 of box 21 right-hand member lower part and installs fixedly through third screw 39 on the second mounting panel 40.

Specifically, a second inserting groove 340 which is used for inserting the second filter plate 36 and is vertically arranged is arranged in the second filter box 34, and a second sealing plate 37 is fixedly mounted at the upper end of the second filter box 34 through a fourth screw 38.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a cold, heat, water ally oneself with confession system that regional energy shifted, includes water supply pipe (1), water supply pipe (1) connects heat source pipeline (3) and cold source pipeline (4) respectively through two sets of pipelines I, its characterized in that: the cold source pipeline (4) and the heat source pipeline (3) are respectively connected with a first air-conditioning water source heat pump unit (5), a second air-conditioning water source heat pump unit (6) and a third air-conditioning water source heat pump unit (7) through a pipeline II, a pipeline III and a pipeline IV, a cold water outlet pipe of the first air-conditioning water source heat pump unit (5) is connected with a cold supply pipeline (15), a hot water outlet pipe of the second air-conditioning water source heat pump unit (6) is connected with a heat supply pipeline (14), a hot water outlet pipe of the third air-conditioning water source heat pump unit (7) is connected with a domestic hot water pipeline (12), the water supply pipeline (1) is connected with a water purification device (8) through a pipeline V, the water purification device (8) is connected with a direct drinking water pipeline (13), and a pressure difference control system, and connect in domestic water pipe (9) through two sets of pipelines VI, heat source pipeline (3) are connected respectively in first energy storage water tank (10) through two sets of pipelines VII, cold source pipeline (4) are connected respectively in second energy storage water tank (11) through two sets of pipelines VIII, first energy storage water tank (10) include box (21), set up in the left water treatment facilities that intakes of box (21) upper end and set up in the play water treatment facilities of box (21) right-hand member lower part, second energy storage water tank (11) are the same with first energy storage water tank (10) structure, in addition, heat source pipeline (3) still are connected with supplementary heat source device (2).

2. The combined cooling, heating and water system with regional energy displacement as claimed in claim 1, wherein: install water pump I on the pipeline II that first air conditioner water source heat pump set (5) and cold source pipeline (4) are connected, install water pump II on the pipeline III that second air conditioner water source heat pump set (6) and heat source pipeline (3) are connected, when the building needs the cooling, utilize water pump I to get water from cold source pipeline (4) through pipeline II, send into first air conditioner water source heat pump set (5) and carry out the heat exchange, and pour into heat source pipeline (3) with taking away the thermal water of building into, when the building needs the heat supply, utilize water pump II to get water from heat source pipeline (3) through pipeline III, send into second air conditioner water source heat pump set (6) and carry out the heat exchange, and pour into cold source pipeline (4) into the water after releasing the energy, thereby realize the utilization of the aversion of regional energy.

3. The combined cooling, heating and water system with regional energy displacement as claimed in claim 1, wherein: differential pressure control system is including installing pressure sensor I and pressure sensor II and controller I in heat source pipeline (3) and cold source pipeline (4) respectively, install water pump III and solenoid valve I on pipeline I that heat source pipeline (3) are connected with water supply pipeline (1), still install water pump IV and solenoid valve II on pipeline I that cold source pipeline (4) are connected with water supply pipeline (1), controller I difference electric connection is in pressure sensor I, pressure sensor II, water pump III, water pump IV, solenoid valve I and solenoid valve II.

4. The combined cooling, heating and water system with regional energy displacement as claimed in claim 1, wherein: the pressure difference control system further comprises a pressure difference sensor I and a controller II which are arranged between the heat source pipeline (3) and the cold source pipeline (4), a water pump V and an electromagnetic valve III which are arranged in a pipeline VI of the domestic water pipe (9) connected with the heat source pipeline (3), a water pump VI and an electromagnetic valve IV which are arranged in a pipeline VI of the domestic water pipe (9) connected with the cold source pipeline (4), and the controller II is electrically connected with the pressure difference sensor I, the water pump V, the water pump VI, the electromagnetic valve III and the electromagnetic valve IV respectively.

5. The combined cooling, heating and water system with regional energy displacement as claimed in claim 1, wherein: the differential pressure control system further comprises a liquid level controller I and a liquid level controller II which are respectively installed on the first energy storage water tank (10) and the second energy storage water tank (11), a pressure sensor III and a pressure sensor IV, a controller III and a controller IV are respectively installed on the heat source pipeline (3) and the cold source pipeline (4), a water pump VII, a water pump VIII, a solenoid valve V and a solenoid valve VI which are respectively installed in two groups of pipelines VII where the first energy storage water tank (10) is connected with the heat source pipeline (3), a water pump IX, a water pump X, a solenoid valve VII and a solenoid valve VIII which are respectively installed in two groups of pipelines VIII where the second energy storage water tank (11) is connected with the cold source pipeline (4), the controller III is respectively and electrically connected with the pressure sensor, the liquid level controller I, the water pump VII, the water pump VIII, the solenoid valve V and the solenoid valve VI, and the controller is respectively and electrically connected with the pressure sensor IV, Liquid level controller II, water pump IX, water pump X, solenoid valve VII and solenoid valve VIII.

6. The combined cooling, heating and water system with regional energy displacement as claimed in claim 3, wherein: the pressure sensor I and the pressure sensor II respectively measure the pressure at certain points in the heat source pipeline (3) and the cold source pipeline (4); when the pressure at some points of the heat source pipeline (3) is smaller than a certain limit value I, the controller I controls the water pump III and the electromagnetic valve I to be opened, and when the pressure at some points reaches a certain limit value II, the controller I controls the water pump III and the electromagnetic valve I to be closed; when the pressure at some points of the cold source pipeline (4) is smaller than a certain limit value III, the controller I controls the water pump IV and the electromagnetic valve II to be opened, and when the pressure at some points reaches the certain limit value IV, the controller I controls the water pump IV and the electromagnetic valve II to be closed.

7. The combined cooling, heating and water system with regional energy displacement as claimed in claim 4, wherein: the pressure difference sensor I measures the pressure difference between certain points in the heat source pipeline (3) and the cold source pipeline (4); when the pressure difference at certain points is greater than a certain limit value V, the controller II controls the water pump V and the electromagnetic valve III to be opened, and the water pump VI and the electromagnetic valve IV to be closed; when the pressure difference is smaller than a certain limit value VI, the controller II controls the water pump VI and the electromagnetic valve IV to be opened, and the water pump V and the electromagnetic valve III are closed.

8. The combined cooling, heating and water system with regional energy displacement as claimed in claim 5, wherein: the pressure sensors III and IV respectively measure the pressure at certain points in the heat source pipeline (3) and the cold source pipeline (4), and the liquid level controllers I and II respectively measure the liquid level heights of the first energy storage water tank (10) and the second energy storage water tank (11); when the pressure at certain points of the heat source pipeline (3) is greater than a certain limit value VII, the controller III controls the water pump VII and the electromagnetic valve V to be opened, so that water is filled into the first energy storage water tank (10), and when the liquid level height of the first energy storage water tank (10) reaches a certain set highest liquid level value I, the controller III controls the water pump VII and the electromagnetic valve V to be closed; when the pressure at certain points of the heat source pipeline (3) is smaller than a certain limit value VIII, the controller III controls the water pump VIII and the electromagnetic valve VI to be opened, so that water is injected into the heat source pipeline (3), and when the pressure at certain points of the heat source pipeline (3) reaches a certain limit value IX or the liquid level height of the first energy storage water tank (10) is lower than a certain set lowest liquid level value II, the water pump VIII and the electromagnetic valve VI are closed; when the pressure at certain points of the cold source pipeline (4) is greater than a certain limit value X, the controller IV controls the water pump IX and the electromagnetic valve VII to be opened, so that the second energy storage water tank (11) is filled with water, and when the liquid level height of the second energy storage water tank (11) reaches a certain set highest liquid level value III, the controller IV controls the water pump IX and the electromagnetic valve VII to be closed; when the pressure at certain points of the cold source pipeline (4) is smaller than a certain limit value XI, the controller IV controls the water pump X and the electromagnetic valve VIII to be opened, so that water is injected into the cold source pipeline (4), and when the pressure at certain points of the cold source pipeline (4) reaches a certain limit value XII or the liquid level height of the second energy storage water tank (11) is lower than a certain set lowest liquid level value IV, the water pump X and the electromagnetic valve VIII are closed.

9. The combined cooling, heating and water system with regional energy displacement as claimed in claim 1, wherein: hot water discharged from a hot water outlet pipe of the third air-conditioning water source heat pump unit (7) can be used as domestic hot water, and water discharged from a water outlet pipe of the water purification treatment device (8) can be directly drunk; when the water temperature in the heat source pipeline (3) is low, the water temperature in the pipeline can be raised by starting the auxiliary heat source device (2), and the auxiliary heat source device (2) comprises a solar water heating system, an air source heat pump system and a sewage source heat pump system.

10. The combined cooling, heating and water system with regional energy displacement as claimed in claim 1, wherein: the water inlet treatment device for the first energy storage water tank (10) and the second energy storage water tank (11) comprises a first filter tank (25), a first mounting plate (28) is arranged at the upper end of the first filter tank (25), a water inlet bent pipe (26) connected with a heat source pipeline (3) is arranged at the upper end of the first mounting plate (28), a sealing ring (24) is arranged at the lower end of the first mounting plate (28), and the first mounting plate (28) is fixed on a supporting plate (23) in an open slot (22) in the left side of the upper end of a tank body (21) through a first screw (27); a filtering structure is arranged in the first filtering box (25), the filtering structure comprises a frame box body (29), a first inserting groove (290) which is used for inserting a first filtering plate (30) and is horizontally arranged is arranged in the frame box body (29), a first sealing plate (31) used for sealing the filtering structure is further arranged at the right end of the first filtering box (25), and the first sealing plate (31) is fixed on the right end face of the first filtering box (25) through a second screw (32); the water outlet treatment device of the first energy storage water tank (10) and the second energy storage water tank (11) comprises a second filter tank (34) with an opening at the left end and the upper end, a second mounting plate (40) is arranged at the right end of the second filter tank (34), a water guide pipe (35) communicated with the inner cavity of the tank body (21) is arranged in the middle of the right end of the second mounting plate (40), and the second filter tank (34) is inserted into a mounting groove (33) at the lower part of the right end of the tank body (21) and is fixedly mounted through a third screw (39) on the second mounting plate (40); a second inserting groove (340) which is used for inserting a second filtering plate (36) in a vertical arrangement is arranged in the second filtering box (34), and a second sealing plate (37) is fixedly arranged at the upper end of the second filtering box (34) through a fourth screw (38).