Heating system
By setting up a heat pump module in the heating system to use the heat from the return water in one network to provide quality heating, the problems of fluctuations in the heat load during the heating season in northern cities and insufficient pipeline distribution capacity are solved, and the double reduction of cost and efficiency is achieved.
Patent Information
- Application Number
- CN202411510334.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-28
- Publication Date
- 2024-12-13
AI Technical Summary
Northern cities fluctuate greatly during the winter heating season, and old pipelines are difficult to meet heating demand, resulting in a threat of heating safety. Existing solutions such as high cost and redundant re-laying of pipelines, and power consumption of electric large temperature difference heat pump units Large, high operating costs.
Design a heating system, by setting up a heat pump module to use the heat from the return water in one network, increase the quality and heat the return water, directly heat it, reduce operating costs, and adapt to the ambient temperature to adjust the heating mode during the initial and late cold periods.
It effectively reduces the overall investment and operating costs of the heating system, improves the heat network transmission and distribution capabilities, avoids the high cost of the newly built pipeline network, and reduces the operating time of the heat pump and improves the heating efficiency.
Smart Images
Figure CN119123504A_ABST
Abstract
Description
Technical Field
[0001] The present application relates to technical fields such as urban heating, and in particular to a heating system. Background Art
[0002] In winter, the heat load in the northern heating season increases day by day, coupled with frequent extreme cold weather, resulting in large fluctuations in the heat load throughout the heating season. The transmission and distribution capacity of the old pipeline network is unable to meet the needs of the existing urban heating load, especially in severe cold weather, and overpressure operating conditions are prone to occur, seriously threatening the safety and reliability of heating.
[0003] In related technologies, the problem of insufficient pipeline transmission and distribution capacity can be solved by re-laying heating pipelines in the city. However, this solution requires large construction volume and high investment costs, especially for the complicated procedures for laying pipelines in completed urban areas. It also leads to serious design redundancy in the heating network during the early and late cold periods, and the investment cost-effectiveness is low. Summary of the invention
[0004] To this end, the purpose of the implementation method of the present application is to propose a heating system, which, by setting up a heat pump module, utilizes the heat of return water from a network to improve the quality and temperature of part of the return water, and uses the water heated by the heat pump module to directly provide heating to users, thereby reducing the operating cost of the heating system.
[0005] An embodiment of the present application provides a heating system, which includes: a main pipeline module, which is configured to provide a network return water to a heat pump module; a heat pump module, which is connected to the main pipeline module, and the heat pump module includes an evaporator and a condenser, and the network return water flows into the evaporator and the condenser in parts, and the heat pump module is configured to absorb the heat energy of the water in the evaporator through the evaporator, and convert the heat energy to the water in the condenser through the condenser, and provide the water in the condenser to a heat exchange station module, and / or directly provide the network return water to the heat exchange station module; a heat exchange station module, which is connected to the heat pump module, and configured to receive the output water of the heat pump module and provide heating for users.
[0006] Exemplarily, the main pipeline module includes a main water supply pipe, a main return pipe, a first valve, a second valve, a third valve and a fourth valve, the main water supply pipe is connected to the water outlet end of the main pipeline module through the first valve, the main return pipe is connected to the water outlet end of the main pipeline module through the second valve, the third valve is arranged on the main return pipe, and the main return pipe is connected to the water inlet end of the main pipeline module through the fourth valve; wherein, the first valve is a normally closed valve, the second valve, the third valve and the fourth valve are normally open valves, the main return pipe transmits the return water from the first network to the heat pump module through the second valve, and recovers the return water from the heat pump module and the heat exchange station module through the fourth valve.
[0007] Exemplarily, the heat pump module further includes a fifth valve, a sixth valve, a seventh valve, an eighth valve, a ninth valve and a first water pump, the water inlet of the heat pump module is connected to the water outlet of the main pipeline module, the water inlet of the heat pump module is respectively connected to the fifth valve and the sixth valve, the water inlet of the heat pump module is connected to the water inlet of the evaporator through the fifth valve, the water inlet of the heat pump module is connected to the water inlet of the condenser through the sixth valve, the water outlet of the evaporator is sequentially connected to the first water outlet of the heat pump module through the first water pump and the seventh valve, the first water outlet of the heat pump module is connected to the water inlet of the main pipeline module, and the water outlet of the condenser is sequentially connected to the second water outlet of the heat pump module through the eighth valve and the ninth valve; wherein, the heat pump module provides the water in the condenser to the heat exchange station module through the second water outlet of the heat pump module, and transmits the water in the evaporator to the water inlet of the main pipeline module through the first water outlet of the heat pump module.
[0008] Exemplarily, the heat pump module also includes a tenth valve, a water inlet end of the tenth valve is connected to the water inlet end of the heat pump module, and a water outlet end of the tenth valve is connected to the water inlet end of the ninth valve; wherein the heat pump module directly provides the return water from the first network to the heat exchange station module through the tenth valve and the ninth valve in sequence.
[0009] Exemplarily, the tenth valve is a normally closed valve, and the fifth valve, the sixth valve, the seventh valve, the eighth valve and the ninth valve are normally open valves; wherein, when the outdoor temperature is greater than a preset temperature threshold, the fifth valve and the sixth valve are closed, and the tenth valve is opened, so that the heat pump module directly provides the return water from the first network to the heat exchange station module through the tenth valve and the ninth valve.
[0010] Exemplarily, the heat exchange station module includes an eleventh valve, a twelfth valve, a thirteenth valve, a fourteenth valve, a fifteenth valve and a second water pump, the water inlet of the heat exchange station module is connected to the second water outlet of the heat pump module, the water inlet of the heat exchange station module is connected to the user water inlet through the eleventh valve and the twelfth valve in sequence to provide heating for the user, and the user water outlet is connected to the water outlet of the heat exchange station module through the thirteenth valve, the second water pump, the fourteenth valve and the fifteenth valve in sequence; wherein the heat exchange station module obtains hot water through the second water outlet of the heat pump module to provide heating for the user, and transmits the heated water to the water inlet of the main pipeline module through the water outlet of the heat exchange station module.
[0011] Exemplarily, the heating system also includes a sixteenth valve and a third water pump, the water inlet end of the sixteenth valve is connected to the water outlet end of the heat exchange station module, the water outlet end of the sixteenth valve is connected to the water inlet end of the third water pump, and the water outlet end of the third water pump is connected to the water inlet end of the main pipeline module; wherein the water outlet end of the heat exchange station module transmits the heated water to the water inlet end of the main pipeline module through the sixteenth valve and the third water pump in turn.
[0012] Exemplarily, the heat exchange station module also includes a heat exchanger, a first network regulating valve and a second network regulating valve, the heat exchanger includes an evaporator and a condenser, the first network regulating valve includes a first regulating valve and a second regulating valve, the second network regulating valve includes a third regulating valve and a fourth regulating valve, the water inlet end of the heat exchange station module is connected to the water inlet end of the evaporator through the first regulating valve, and the water outlet end of the evaporator is connected to the water inlet end of the fifteenth valve through the second regulating valve; the water inlet end of the condenser is connected to the water outlet end of the eleventh valve through the third regulating valve, and the water outlet end of the condenser is connected to the water inlet end of the fourteenth valve through the fourth regulating valve.
[0013] Exemplarily, the first network regulating valve and the second regulating valve are normally closed valves; wherein, when the heat pump module fails, the first valve, the seventh valve and the first network regulating valve are opened, and the second valve, the fifth valve and the sixth valve are closed, so that the main water supply pipe provides the first network water supply to the heat exchange station module through the first valve, the seventh valve and the tenth valve, and the heat exchange station module provides heating to the user through the first network regulating valve and the evaporator.
[0014] Exemplarily, the heat exchange station module further includes a booster pump, a water inlet of the booster pump is connected to a water outlet of the fourteenth valve, and a water outlet of the booster pump is connected to a water inlet of the fifteenth valve.
[0015] Exemplarily, the number of the main pipeline module is one, the number of the heat pump module is one, the number of the heat exchange station modules is multiple, and each heat exchange station module is connected to the heat pump module.
[0016] Exemplarily, the number of the main pipeline modules, the number of the heat pump modules, and the number of the heat exchange station modules are the same, the main pipeline modules correspond one-to-one with the heat pump modules, and the heat pump modules correspond one-to-one with the heat station modules.
[0017] In the above embodiment, the heating system includes: a main pipeline module, which is configured to provide a network of return water to the heat pump module; a heat pump module, which is connected to the main pipeline module, and the heat pump module includes an evaporator and a condenser, and a network of return water flows into the evaporator and the condenser in branches, and the heat pump module is configured to absorb the heat energy of the water in the evaporator through the evaporator, and convert the heat energy to the water in the condenser through the condenser, and provide the water in the condenser to the heat exchange station module; a heat exchange station module, which is connected to the heat pump module, and the heat exchange station module is configured to receive the output water of the heat pump module and provide heating for users. The heating system of the present invention is provided with a heat pump module, and the heat pump module uses the heat of a network of return water to improve the quality and temperature of part of the return water, and uses the water heated by the heat pump module to directly provide heating to users, thereby reducing the operating cost of the heating system. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 A schematic diagram of a heating system provided for an embodiment of the present application;
[0019] Figure 2 A schematic diagram of a main pipeline module provided for an embodiment of the present application;
[0020] Figure 3 A schematic diagram of a heat pump module provided in an embodiment of the present application;
[0021] Figure 4 A schematic diagram of a heat exchange station module provided in an embodiment of the present application;
[0022] Figure 5 A schematic diagram of a booster pump in a heat exchange station module provided in an embodiment of the present application;
[0023] Figure 6 A schematic diagram of the connection between the various modules provided in the implementation mode of this application;
[0024] Figure 7 A schematic diagram of a centralized heating system provided for an embodiment of the present application;
[0025] Figure 8 A schematic diagram of a parallel heating system provided in an embodiment of the present application.
[0026] Description of labels:
[0027] 100-heating system, 101-main pipeline module, 102-heat pump module, 103-heat exchange station module, 201-main water supply pipe, 202-main return pipe, 1-first valve, 2-second valve, 3-third valve, 4-fourth valve, 5-fifth valve, 6-sixth valve, 7-seventh valve, 8-eighth valve, 9-ninth valve, 10-tenth valve, 11-eleventh valve, 12-twelfth valve, 13-thirteenth valve, 14-fourteenth valve, 1 5-the fifteenth valve, 16-the sixteenth valve, 11a-evaporator, 11b-condenser, 21-the first water pump, 22-the second water pump, 23-the third water pump, 401-water supply bypass pipe, 402-user side, 403-return water bypass pipe, 404-heat exchanger, 405-first network regulating valve, 406-second network regulating valve, 51-first regulating valve, 52-second regulating valve, 53-third regulating valve, 54-fourth regulating valve, 407-boosting pump, 25-new user side. DETAILED DESCRIPTION
[0028] The embodiments of the present application are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present application, and should not be construed as limiting the present application.
[0029] In winter, the heat load in the northern heating season increases day by day, coupled with frequent extreme cold weather, resulting in large fluctuations in the heat load throughout the heating season. The transmission and distribution capacity of the old pipeline network is unable to meet the needs of the existing urban heating load, especially in severe cold weather, and overpressure operating conditions are prone to occur, seriously threatening the safety and reliability of heating.
[0030] In some examples, the problem of insufficient pipeline distribution capacity can be solved by re-laying heating pipelines in the city. However, this solution requires large construction volume and high investment costs, especially for the complicated procedures for laying pipelines in completed urban areas. It also leads to serious design redundancy in the heating network during the early and late cold periods, and the investment cost-effectiveness is low.
[0031] In some examples, electric large temperature difference heat pump units can also be used. Electric large temperature difference heat pump units can use the heat of return water from a network to provide heat for heat users. They can improve the heat network transmission and distribution capacity without building new pipelines, effectively saving investment. However, electric large temperature difference heat pump units consume more electricity and have higher operating costs.
[0032] Based on this, the present application proposes a heating system, which is equipped with a heat pump module. The heat pump module uses the heat of return water from a network to improve the quality and temperature of part of the return water, and uses the water heated by the heat pump module to directly provide heating to users. In the early and late cold periods, the return water from a network can be directly used to provide heating to users. This heating method based on adaptive adjustment of ambient temperature reduces the overall investment and operating costs.
[0033] Figure 1 It is a schematic diagram of a heating system according to an embodiment of the present application.
[0034] As an example, Figure 1 As shown, the heating system 100 includes: a main pipeline module 101, which is configured to provide a network return water to a heat pump module 102; a heat pump module 102, which is connected to the main pipeline module 101, and the heat pump module 102 includes an evaporator and a condenser, and a network return water flows into the evaporator and the condenser in branches, and the heat pump module 102 is configured to absorb the heat energy of the water in the evaporator through the evaporator, and convert the heat energy to the water in the condenser through the condenser, and provide the water in the condenser to the heat exchange station module 103, and / or, directly provide the network return water to the heat exchange station module 103; the heat exchange station module 103, which is connected to the heat pump module 102, and the heat exchange station module 103 is configured to receive the output water of the heat pump module 102 and provide heating for users.
[0035] Exemplarily, the heating system 100 includes a main pipeline module 101, a heat pump module 102 and a heat exchange station module 103. The main pipeline module 101 also includes, for example, a main water supply pipe and a main water return pipe. The main water supply pipe provides hot water from a heat source to users for heating. The main water return pipe includes, for example, recycled water after providing heating to users. The recycled water is called one-net recycling. It should be noted that the one-net return water itself also has a certain amount of heat. The present application sets a heat pump module 102, and directly processes the one-net return water through the heat pump module 102, and provides the processed water to users again for heating, or the heat pump module 102 directly provides the one-net return water to users for heating, thereby improving the operating efficiency of the heating system.
[0036] Exemplarily, the heat pump module 102 includes an evaporator and a condenser. The return water from the main pipeline module 101 is divided into two streams, one of which flows to the evaporator of the heat pump module 102, and the other flows to the condenser of the heat pump module 102. Because the return water from the network itself has a certain temperature, the heat pump module 102 absorbs the heat energy of the return water from the network in the evaporator through the evaporator, and converts the heat energy to the water in the condenser through the condenser, and provides the water in the condenser to the heat exchange station module 103. It can be understood that the heat pump module 102 is an energy conversion device. Because the return water from the network itself has a certain temperature, the energy consumed by heating the water in the condenser to the temperature required for heating is less, which reduces the operating cost. For example, the initial return water temperature of the network is Th0, and the water supply temperature of the heat user is Tg, Tg>Th0. The heat pump module is used to increase the water temperature from Th0 to Tg, and the heated water is provided to the heat exchange station module 103 to provide heating to the user. The heat pump module 102 may be a compression heat pump, which has a low investment. The heat exchange station module 103 may be understood as a pipeline corresponding to the user.
[0037] This application adopts a compression heat pump to utilize the heat of the return water of a network to improve the quality and temperature of part of the return water, directly provide heat to users, and save resources.
[0038] As an example, Figure 2 As shown, the main pipeline module includes a main water supply pipe 201, a main return pipe 202, a first valve 1, a second valve 2, a third valve 3 and a fourth valve 4. The main water supply pipe 201 is connected to the water outlet end of the main pipeline module 101 through the first valve 1, the main return pipe 202 is connected to the water outlet end of the main pipeline module 101 through the second valve 2, the third valve 3 is arranged on the main return pipe 202, and the main return pipe 202 is connected to the water inlet end of the main pipeline module 101 through the fourth valve 4; wherein the first valve 1 is a normally closed valve, the second valve 2, the third valve 3 and the fourth valve 4 are normally open valves, the main return pipe 202 transmits a network return water to the heat pump module 102 through the second valve 2, and recovers the return water from the heat pump module 102 and the heat exchange station module 103 through the fourth valve 4.
[0039] For example, Figure 2 As shown, the main pipeline module 101 includes a main water supply pipe 201, a main return water pipe 202, a first valve 1, a second valve 2, a third valve 3 and a fourth valve 4. The main water supply pipe 201 includes a water supply network, the main return water pipe 202 includes a return water network, the first valve 1 is a normally closed valve, and the main return water pipe 202 provides a return water network to the heat pump module 102 through the second valve 2, and recovers the return water from the heat pump module 102 and the heat exchange station module 103 through the fourth valve 4.
[0040] Exemplarily, the opening of the second valve 2 and the third valve 3 can be adjusted according to the heating load demand to make the flow distribution reasonable. For example, when the heating demand is large, the opening of the second valve 2 can be increased to allow more return water from the first network to enter the heat pump module.
[0041] As an example, Figure 3 As shown, the heat pump module 102 further includes a fifth valve 5, a sixth valve 6, a seventh valve 7, an eighth valve 8, a ninth valve 9 and a first water pump 21. The water inlet of the heat pump module 102 is connected to the water outlet of the main pipeline module 101, and the water inlet of the heat pump module 10 is connected to the fifth valve and the sixth valve 6 respectively. The water inlet of the heat pump module 102 is connected to the water inlet of the evaporator 11a through the fifth valve 5, and the water inlet of the heat pump module 102 is connected to the water inlet of the condenser 11b through the sixth valve 6. The water outlet of the evaporator 11a is connected to the water outlet of the condenser 11b through the first water pump 21. The pump 21 and the seventh valve 7 are connected to the first water outlet of the heat pump module 102, the first water outlet of the heat pump module 102 is connected to the water inlet of the main pipeline module 101, and the water outlet of the condenser 11b is connected to the second water outlet of the heat pump module 102 through the eighth valve 8 and the ninth valve 9 in sequence; wherein, the heat pump module 102 provides the water in the condenser 11b to the heat exchange station 103 module through the second water outlet of the heat pump module 102, and transmits the water in the evaporator 11a to the water inlet of the main pipeline module 101 through the first water outlet of the heat pump module 102.
[0042] Exemplarily, after the return water from a network passes through the main pipeline module 101, it is divided into two streams, one stream passes through the fifth valve 5 to enter the evaporator 11a, and the other stream passes through the sixth valve 6 to enter the condenser 11b. After the return water from a network releases heat and cools down in the evaporator 11a, it passes through the first water pump 21 and the seventh valve 7 to be connected to the water inlet end of the main pipeline module 101, and passes through the fourth valve 4 in the main pipeline module 101 to flow into the main return water pipe 202. After the return water from a network absorbs heat and heats up in the condenser 11b, the heated water is provided to the heat exchange station module 103 through the eighth valve 8 and the ninth valve 9.
[0043] As an example, Figure 3 As shown, the heat pump module also includes a tenth valve 10, the water inlet end of the tenth valve 10 is connected to the water inlet end of the heat pump module 102, and the water outlet end of the tenth valve 10 is connected to the water inlet end of the ninth valve 9; wherein the heat pump module 102 provides a network return water directly to the heat exchange station module through the tenth valve 10 and the ninth valve 9 in sequence.
[0044] Exemplarily, the heat pump module 102 also includes a tenth valve 10, which is arranged between the water inlet end of the heat pump module 102 and the water inlet end of the ninth valve 9. When the tenth valve 10 is opened, the return water from a network can directly flow into the heat exchange station module 103 through the tenth valve 10 and the ninth valve 9, that is, without passing through the compression heat pump.
[0045] As an example, the tenth valve 10 is a normally closed valve, and the fifth valve 5, the sixth valve 6, the seventh valve 7, the eighth valve 8 and the ninth valve 9 are normally open valves; wherein, when the outdoor temperature is greater than a preset temperature threshold, the fifth valve 5 and the sixth valve 6 are closed, and the tenth valve 10 is opened, so that the heat pump module directly provides a network return water to the heat exchange station module 103 through the tenth valve 10 and the ninth valve 9.
[0046] For example, when the outdoor temperature is less than or equal to the preset temperature threshold, it can be understood that it is in a severe cold period, the user's heating demand is large, and the heat transfer capacity of only one network water supply pipe and one network return pipe is insufficient, the tenth valve 10 is closed, the fifth valve 5, the sixth valve 6, the seventh valve 7, the eighth valve 8 and the ninth valve 9 are opened, and the compression heat pump is operated at this time to improve the quality and temperature of the network return water, and then provide it to the heat exchange station module 103. When the outdoor temperature is greater than the preset temperature threshold, for example, it is in the early cold or late cold period of heating, and the user's heating demand is reduced. At this time, the tenth valve 10 can be opened, the fifth valve 5 and the sixth valve 6 are closed, and the compressor heat pump is not operated. The heat pump module 102 directly provides the network return water to the heat transfer station module 103 through the tenth valve 10 and the ninth valve 9.
[0047] The present application also adaptively adjusts the operation mode of the heat pump module according to the range of outdoor temperature, which can effectively reduce the start-up time of the heat pump and reduce the operating costs of the heating system while meeting the user's heating needs.
[0048] As an example, Figure 4 As shown, the heat exchange station module 103 includes an eleventh valve 11, a twelfth valve 12, a thirteenth valve 13, a fourteenth valve 14, a fifteenth valve 15 and a second water pump 22. The water inlet of the heat exchange station module 103 is connected to the second water outlet of the heat pump module 102. The water inlet of the heat exchange station module 103 is connected to the user's water inlet through the eleventh valve 11 and the twelfth valve 12 in sequence to provide heating for the user. The user's water outlet is connected to the water outlet of the heat exchange station module 103 through the thirteenth valve 13, the second water pump 22, the fourteenth valve 14, and the fifteenth valve 15 in sequence; wherein, the heat exchange station module 103 obtains hot water through the second water outlet of the heat pump module 102 to provide heating for the user, and transmits the heated water to the water inlet of the main pipeline module 101 through the water outlet of the heat exchange station module 103.
[0049] For example, Figure 4As shown, after the hot water enters the heat exchange station module 103, it passes through the water supply bypass pipe 401, the eleventh valve 11, and the twelfth valve 12 to provide heating for the user. The eleventh valve 11 is used to control the water supply bypass pipe 401. The return water passing through the user side 402 passes through the thirteenth valve 13, the second water pump 22, the return water bypass pipe 403, the fourteenth valve 14, and the fifteenth valve 15 to flow into the water inlet end of the main pipeline module 101. The fourteenth valve 14 is used to control the return water bypass pipe 403.
[0050] As an example, Figure 4 As shown, the heat exchange station module also includes a heat exchanger 404, a first network regulating valve 405 and a second network regulating valve 406. The heat exchanger 404 includes an evaporator and a condenser. The first network regulating valve 205 includes a first regulating valve 51 and a second regulating valve 52. The second network regulating valve 406 includes a third regulating valve 53 and a fourth regulating valve 54. The water inlet end of the heat exchange station module 103 is connected to the water inlet end of the evaporator through the first regulating valve 51, and the water outlet end of the evaporator is connected to the water inlet end of the fifteenth valve 15 through the second regulating valve 52; the water inlet end of the condenser is connected to the water outlet end of the eleventh valve 11 through the third regulating valve 53, and the water outlet end of the condenser is connected to the water inlet end of the fourteenth valve 14 through the fourth regulating valve 54.
[0051] For example, Figure 4 As shown, a heat exchanger 404 is provided in the heat exchange station module 103, and the heat exchanger 404 also includes an evaporator and a condenser. The first network regulating valve 405 includes a first regulating valve 51 and a second regulating valve 52, and the second network regulating valve 406 includes a third regulating valve 53 and a fourth regulating valve 54. The first regulating valve 51 is a regulating valve at the water inlet end of the evaporator in the heat exchanger 404, the second regulating valve 52 is a regulating valve at the water outlet end of the evaporator in the heat exchanger 404, the third regulating valve 53 is a regulating valve at the water inlet end of the condenser in the heat exchanger 404, and the fourth regulating valve 54 is a regulating valve at the water outlet end of the condenser in the heat exchanger 404. Under normal circumstances, the first network regulating valve 405 and the second network regulating valve 406 are in a closed state, that is, the heat exchanger 404 is not running.
[0052] As an example, the network regulating valve 405 and the second regulating valve 406 are normally closed valves; wherein, when a failure occurs in the heat pump module, the first valve 1, the seventh valve 7 and the network regulating valve 405 are opened, and the second valve 2, the fifth valve 3 and the sixth valve 6 are closed, so that the main water supply pipe provides the network water supply to the heat exchange station module 103 through the first valve 1, the seventh valve 7 and the tenth valve 10, and the heat exchange station module 103 provides heating to the user through the network regulating valve 102 and the evaporator.
[0053] For example, under normal circumstances, the first network regulating valve 405 and the second network regulating valve 406 are in a closed state, and the hot water flows to the user side through the water supply bypass pipe 401 to provide heating to the user, and the return water after heating flows out of the water outlet of the heat exchange station module through the return water bypass pipe 403. When the heating system fails, for example, the heat pump in the heat pump module 102 fails, at this time, the first valve 1, the seventh valve 7 and the first network regulating valve 405 are opened, and the second valve 2, the fifth valve 3, and the sixth valve 6 are closed. The main water supply pipe flows the first network water supply through the first valve 1, the seventh valve 7, and the tenth valve 10 into the heat exchange station module 103, and the first network regulating valve 405 in the heat exchange station module 103 is opened, and the hot water passes through the first regulating valve 51 and flows into the evaporator in the heat exchange station module 103. The hot water releases heat in the evaporator to provide heating for the user, and the heated water flows to the outlet of the heat exchange station module 103 through the second regulating valve 52.
[0054] The heating system of the present application can directly use a water supply network to provide heating to users when a heat pump module fails, thereby ensuring the safety of the heating system.
[0055] As an example, Figure 5 As shown, the heat exchange station module 103 also includes a booster pump 407 , a water inlet end of the booster pump 407 is connected to a water outlet end of the fourteenth valve 14 , and a water outlet end of the booster pump 407 is connected to a water inlet end of the fifteenth valve 15 .
[0056] For example, a booster pump 407 may be provided in the heat exchange station module 103, and the booster pump 407 may be turned on when the water supply of the heat exchange station module 103 is insufficient, and the water supply may meet the demand by adjusting the frequency of the booster pump 407. It should be noted that the booster pump 407 may not be provided in the heat exchange station module, depending on the demand.
[0057] As an example, Figure 6 As shown, the heating system also includes a sixteenth valve 16 and a third water pump 23, the water inlet end of the sixteenth valve 16 is connected to the water outlet end of the heat exchange station module 103, the water outlet end of the sixteenth valve 16 is connected to the water inlet end of the third water pump 23, and the water outlet end of the third water pump 23 is connected to the water inlet end of the main pipeline module 101; wherein, the water outlet end of the heat exchange station module 103 transmits the heated water to the water inlet end of the main pipeline module through the sixteenth valve 16 and the third water pump 23 in sequence.
[0058] Figure 6 It is a specific connection diagram of the main pipeline module, the heat pump module and the heat exchange station module of one embodiment of the present application.
[0059] Exemplarily, the water outlet of the main pipeline module 101 is connected to the water inlet of the heat pump module 102, and the heat pump module 102 includes a first water outlet and a second water outlet. The water of a network return water after being processed by the evaporator 11a flows out from the first water outlet of the heat pump module 102, and the first water outlet of the heat pump module 102 is connected to the water inlet of the main pipeline module 101, that is, the water of a network return water after being processed by the evaporator 11a flows back to the main return water pipe 202 through the fourth valve 4. The hot water processed by the condenser 11b in the heat pump module 102 flows into the heat exchange station module 103 through the second water outlet of the heat pump module 102. The heat exchange station module 103 includes a water inlet and a water outlet. The water inlet of the heat exchange station module 103 is connected to the second water outlet of the heat pump module 102. After the hot water passes through the heat exchange station module 103 to provide heat to the user, it flows out through the water outlet of the heat exchange station module 103. The water outlet of the heat exchange station module 103 is connected to the water inlet of the main pipeline module 101 and the first water outlet of the heat pump module 102 through the sixteenth valve 16 and the third water pump 23, and finally flows back to the main recovery pipe 202.
[0060] This application can achieve distributed frequency conversion regulation of the entire system by setting up water pumps in branch pipelines, thereby optimizing the energy consumption performance of the system.
[0061] As an example, the number of the main pipeline module is one, the number of the heat pump module is one, the number of the heat exchange station modules is multiple, and each heat exchange station module is connected to the heat pump module.
[0062] For example, Figure 7 As shown, the main pipeline modules, heat pump modules and heat exchange station modules can be distributed in a centralized manner, that is, multiple heat exchange station modules correspond to one main pipeline module and one heat pump module. This centralized distribution can save space and cost.
[0063] As an example, the number of main pipeline modules, the number of heat pump modules, and the number of heat exchange station modules are the same, the main pipeline modules correspond one-to-one with the heat pump modules, and the heat pump modules correspond one-to-one with the heat station modules.
[0064] For example, Figure 8 As shown, the distribution of the main pipeline module, the heat pump module and the heat exchange station module can also be in parallel, that is, one main pipeline module corresponds to one heat pump module, and one heat pump module corresponds to one heat exchange station module. This parallel distribution can more conveniently control the corresponding heat exchange station module for each household, and the control is more flexible.
[0065] It should be noted that the logic and / or steps represented in the flowchart or otherwise described herein, for example, can be considered as a sequenced list of executable instructions for implementing logical functions, and can be specifically implemented in any computer-readable medium for use by an instruction execution system, device or apparatus (such as a computer-based system, a system including a processor, or other system that can fetch instructions from an instruction execution system, device or apparatus and execute instructions), or in combination with these instruction execution systems, devices or apparatuses. For the purposes of this application, "computer-readable medium" can be any device that can contain, store, communicate, propagate or transmit a program for use by an instruction execution system, device or apparatus, or in combination with these instruction execution systems, devices or apparatuses. More specific examples of computer-readable media (a non-exhaustive list) include the following: an electrical connection portion with one or more wirings (electronic device), a portable computer disk box (magnetic device), a random access memory (RAM), a read-only memory (ROM), an erasable and programmable read-only memory (EPROM or flash memory), an optical fiber device, and a portable compact disk read-only memory (CDROM). In addition, the computer-readable medium may even be paper or other suitable medium on which the program is printed, since the program may be obtained electronically, for example, by optically scanning the paper or other medium and then editing, interpreting or otherwise processing in a suitable manner if necessary, and then stored in a computer memory.
[0066] It should be understood that the various parts of the present application can be implemented by hardware, software, firmware or a combination thereof. In the above-mentioned embodiments, multiple steps or methods can be implemented by software or firmware stored in a memory and executed by a suitable instruction execution system. For example, if implemented by hardware, as in another embodiment, it can be implemented by any one of the following technologies known in the art or their combination: a discrete logic circuit having a logic gate circuit for implementing a logic function for a data signal, a dedicated integrated circuit having a suitable combination of logic gate circuits, a programmable gate array (PGA), a field programmable gate array (FPGA), etc.
[0067] In the description of the present application, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In the present application, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.
[0068] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.
[0069] In addition, the terms "first", "second", etc. used in the embodiments of the present application are only used for descriptive purposes and should not be understood as indicating or implying relative importance, or implicitly indicating the number of technical features indicated in the present embodiment. Therefore, the features defined by the terms "first", "second", etc. in the embodiments of the present application can explicitly or implicitly indicate that at least one of the features is included in the embodiment. In the description of the present application, the word "multiple" means at least two or two or more, such as two, three, four, etc., unless otherwise clearly and specifically defined in the embodiments.
[0070] In this application, unless otherwise clearly specified or limited in the embodiments, the terms "installed", "connected", "connected" and "fixed" etc. appearing in the embodiments should be understood in a broad sense. For example, the connection can be a fixed connection, a detachable connection, or an integrated connection. It can be understood that it can also be a mechanical connection, an electrical connection, etc.; of course, it can also be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal connection of two elements, or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to the specific implementation situation.
[0071] In the present application, unless otherwise clearly specified and limited, a first feature being “above” or “below” a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being “above”, “above”, and “above” a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being “below”, “below”, and “below” a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.
[0072] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations on the present application. Ordinary technicians in this field can change, modify, replace and modify the above embodiments within the scope of the present application.
Claims
1. A heating system, characterized in that: The heating system comprises: A main pipeline module, wherein the main pipeline module is configured to provide a network return water to the heat pump module; A heat pump module, the heat pump module is connected to the main pipeline module, the heat pump module includes an evaporator and a condenser, the network return water flows into the evaporator and the condenser in two parts, the heat pump module is configured to absorb the heat energy of the water in the evaporator through the evaporator, and convert the heat energy to the water in the condenser through the condenser, and provide the water in the condenser to the heat exchange station module, and / or directly provide the network return water to the heat exchange station module; A heat exchange station module, wherein the heat exchange station module is connected to the heat pump module, and the heat exchange station module is configured to receive output water from the heat pump module and provide heat for users.
2. The heating system according to claim 1, characterized in that: The main pipeline module includes a main water supply pipe, a main water return pipe, a first valve, a second valve, a third valve and a fourth valve, the main water supply pipe is connected to the water outlet end of the main pipeline module through the first valve, the main water return pipe is connected to the water outlet end of the main pipeline module through the second valve, the third valve is arranged on the main water return pipe, and the main water return pipe is connected to the water inlet end of the main pipeline module through the fourth valve; Among them, the first valve is a normally closed valve, the second valve, the third valve and the fourth valve are normally open valves, the main return water pipe transmits the return water from the first network to the heat pump module through the second valve, and recovers the return water from the heat pump module and the heat exchange station module through the fourth valve.
3. The heating system according to claim 2, characterized in that: The heat pump module also includes a fifth valve, a sixth valve, a seventh valve, an eighth valve, a ninth valve and a first water pump, the water inlet of the heat pump module is connected to the water outlet of the main pipeline module, the water inlet of the heat pump module is connected to the fifth valve and the sixth valve respectively, the water inlet of the heat pump module is connected to the water inlet of the evaporator through the fifth valve, the water inlet of the heat pump module is connected to the water inlet of the condenser through the sixth valve, the water outlet of the evaporator is connected to the first water outlet of the heat pump module through the first water pump and the seventh valve in sequence, the first water outlet of the heat pump module is connected to the water inlet of the main pipeline module, and the water outlet of the condenser is connected to the second water outlet of the heat pump module through the eighth valve and the ninth valve in sequence; The heat pump module provides the water in the condenser to the heat exchange station module through the second water outlet of the heat pump module, and transmits the water in the evaporator to the water inlet of the main pipeline module through the first water outlet of the heat pump module.
4. The heating system according to claim 3, characterized in that: The heat pump module further comprises a tenth valve, a water inlet end of the tenth valve is connected to the water inlet end of the heat pump module, and a water outlet end of the tenth valve is connected to the water inlet end of the ninth valve; The heat pump module directly provides the return water from the first network to the heat exchange station module through the tenth valve and the ninth valve in sequence.
5. The heating system according to claim 4, characterized in that: The tenth valve is a normally closed valve, and the fifth valve, the sixth valve, the seventh valve, the eighth valve and the ninth valve are normally open valves; Among them, when the outdoor temperature is greater than the preset temperature threshold, the fifth valve and the sixth valve are closed, and the tenth valve is opened, so that the heat pump module directly provides the first network return water to the heat exchange station module through the tenth valve and the ninth valve.
6. The heating system according to claim 3, characterized in that: The heat exchange station module includes an eleventh valve, a twelfth valve, a thirteenth valve, a fourteenth valve, a fifteenth valve and a second water pump. The water inlet of the heat exchange station module is connected to the second water outlet of the heat pump module. The water inlet of the heat exchange station module is connected to the user water inlet through the eleventh valve and the twelfth valve in sequence to provide heating for the user. The user water outlet is connected to the water outlet of the heat exchange station module through the thirteenth valve, the second water pump, the fourteenth valve and the fifteenth valve in sequence. The heat exchange station module obtains hot water through the second water outlet of the heat pump module to provide heating for users, and transmits the heated water to the water inlet of the main pipeline module through the water outlet of the heat exchange station module.
7. The heating system according to claim 6, characterized in that: The heating system further comprises a sixteenth valve and a third water pump, wherein the water inlet of the sixteenth valve is connected to the water outlet of the heat exchange station module, the water outlet of the sixteenth valve is connected to the water inlet of the third water pump, and the water outlet of the third water pump is connected to the water inlet of the main pipeline module; Among them, the water outlet end of the heat exchange station module transmits the heated water to the water inlet end of the main pipeline module through the sixteenth valve and the third water pump in sequence.
8. The heating system according to claim 6, characterized in that: The heat exchange station module also includes a heat exchanger, a first network regulating valve and a second network regulating valve. The heat exchanger includes an evaporator and a condenser. The first network regulating valve includes a first regulating valve and a second regulating valve. The second network regulating valve includes a third regulating valve and a fourth regulating valve. The water inlet of the heat exchange station module is connected to the water inlet of the evaporator through the first regulating valve, and the water outlet of the evaporator is connected to the water inlet of the fifteenth valve through the second regulating valve; the water inlet of the condenser is connected to the water outlet of the eleventh valve through the third regulating valve, and the water outlet of the condenser is connected to the water inlet of the fourteenth valve through the fourth regulating valve.
9. The heating system according to claim 8, characterized in that: The first network regulating valve and the second regulating valve are normally closed valves; Wherein, when the heat pump module fails, the first valve, the seventh valve and the single-network regulating valve are opened, and the second valve, the fifth valve and the sixth valve are closed, so that the main water supply pipe provides single-network water supply to the heat exchange station module through the first valve, the seventh valve and the tenth valve, and the heat exchange station module provides heating to the user through the single-network regulating valve and the evaporator.
10. The heating system according to claim 6, characterized in that: The heat exchange station module further includes a booster pump, a water inlet of the booster pump is connected to a water outlet of the fourteenth valve, and a water outlet of the booster pump is connected to a water inlet of the fifteenth valve.
11. The heating system according to claim 1, characterized in that: The number of the main pipeline module is one, the number of the heat pump module is one, the number of the heat exchange station modules is multiple, and each heat exchange station module is connected to the heat pump module.
12. The heating system according to claim 1, characterized in that: The number of the main pipeline modules, the number of the heat pump modules, and the number of the heat exchange station modules are the same, the main pipeline modules correspond to the heat pump modules one-to-one, and the heat pump modules correspond to the heat station modules one-to-one.