Concentrated cold and hot water circulating device in residential area

Abstract

The utility model relates to the technical field of cold and hot water circulation, in particular to a centralized cold and hot water circulation device in a residential area. The centralized cold and hot water circulating device in the residential area comprises a tap water pipe, a main valve, a filter, a cold water pipe, a water heater, a concentric-square-shaped pipe, a hot water pipe, a water supply pipe, a hot water circulator, a temperature sensor and a heat exchange assembly, a filter is installed at the position, close to the main valve, of the left end of the tap water pipe and used for filtering a water source flowing in the tap water pipe, and a plurality of vertical cold water pipes are connected to the right end of the tap water pipe at equal intervals. In a cold environment, the first water pump is matched with the circulating pipe to form closed hot water circulation, hot water in the circulating pipe exchanges heat with the tap water pipe, the tap water pipe is effectively prevented from freezing due to low temperature, and smooth flowing of water flow is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to cold and hot water circulation technical field especially relates to a residential area centralized cold and hot water circulation device. BACKGROUND

[0002] In modern residential areas, the stability and efficiency of cold and hot water supply systems have a significant impact on the quality of life of residents. Although traditional cold and hot water pipeline design can meet basic water demand, there are still many deficiencies in actual application:

[0003] 1. In the traditional system, the water in the hot water pipe will gradually cool down after a long period of non-use, resulting in a delay in obtaining hot water when the user opens the hot water faucet. This delay not only affects the user experience, but also wastes a lot of water resources.

[0004] 2. In cold regions or winter, the water in the tap water pipe and hot water pipe is prone to freezing due to low temperature, especially at night or during long periods of non-use. Water pipe freezing not only causes water flow interruption, but also may cause pipe rupture, causing serious property loss and inconvenience of repair.

[0005] In view of the above deficiencies of the prior art, the utility model provides a residential area centralized cold and hot water circulation device, which particularly focuses on solving the problems of hot water supply delay and water pipe freezing in low temperature environment. SUMMARY

[0006] In order to overcome the above-mentioned shortcomings, the technical problem to be solved is to provide a residential area centralized cold and hot water circulation device.

[0007] The technical scheme is: a residential area centralized cold and hot water circulation device, comprising a tap water pipe, a total valve, a filter, a cold water pipe, a water heater, a return type pipe, a hot water pipe, a water supply pipe, a hot water circulator, a temperature sensor and a heat exchange assembly, the left end of the tap water pipe is provided with a total valve for controlling the water flow switch, the left end of the tap water pipe is provided with a filter near the total valve, the filter is used for filtering the water source flowing in the tap water pipe, the right end of the tap water pipe is connected with a plurality of vertical cold water pipes at equal intervals, the tail end of the cold water pipe is connected with the cold water interface of the water using equipment in the residential area, the water heater is installed in the residential area centralized water supply box, the bottom of the water heater is connected with the return type pipe, the upper road pipe of the return type pipe is connected with a plurality of vertical hot water pipes at intervals, the tail end of the hot water pipe is connected with the hot water interface of the water using equipment in the residential area, the water heater and the tap water pipe are further connected with a water supply pipe, the left end of the lower road pipe of the return type pipe is provided with a hot water circulator, the right end of the return type pipe is provided with a temperature sensor for detecting the temperature in the pipe at the back bend, the temperature sensor, the hot water circulator and the water heater are electrically connected with the control system in the residential area centralized water supply box.

[0008] Further, the heat exchange assembly includes a circulating pipe, a first water pump, and a first one-way valve. The circulating pipe is connected between the left end of the upper pipe and the right end of the lower pipe of the return pipe. The circulating pipe is tightly attached to the rear wall of the water pipe. The left end of the circulating pipe is provided with the first water pump, and the right end of the circulating pipe is provided with the first one-way valve. The first water pump and the first one-way valve are electrically connected with the control system.

[0009] Further, the heat exchange assembly includes a circulating pipe, a first water pump, and a first one-way valve. The circulating pipe is connected between the left end of the upper pipe and the right end of the lower pipe of the return pipe. The circulating pipe is tightly attached to the rear wall of the water pipe. The left end of the circulating pipe is provided with the first water pump, and the right end of the circulating pipe is provided with the first one-way valve. The first water pump and the first one-way valve are electrically connected with the control system.

[0010] Further, the heat exchange assembly includes a circulating pipe, a first water pump, and a first one-way valve. The circulating pipe is connected between the left end of the upper pipe and the right end of the lower pipe of the return pipe. The circulating pipe is tightly attached to the rear wall of the water pipe. The left end of the circulating pipe is provided with the first water pump, and the right end of the circulating pipe is provided with the first one-way valve. The first water pump and the first one-way valve are electrically connected with the control system.

[0011] Further, the heat exchange assembly includes a circulating pipe, a first water pump, and a first one-way valve. The circulating pipe is connected between the left end of the upper pipe and the right end of the lower pipe of the return pipe. The circulating pipe is tightly attached to the rear wall of the water pipe. The left end of the circulating pipe is provided with the first water pump, and the right end of the circulating pipe is provided with the first one-way valve. The first water pump and the first one-way valve are electrically connected with the control system.

[0012] Further, the heat exchange assembly includes a circulating pipe, a first water pump, and a first one-way valve. The circulating pipe is connected between the left end of the upper pipe and the right end of the lower pipe of the return pipe. The circulating pipe is tightly attached to the rear wall of the water pipe. The left end of the circulating pipe is provided with the first water pump, and the right end of the circulating pipe is provided with the first one-way valve. The first water pump and the first one-way valve are electrically connected with the control system.

[0013] Beneficial effects: 1. In cold environment, the first water pump cooperates with the circulating pipe to form a closed hot water circulation. The hot water in the circulating pipe exchanges heat with the water pipe, effectively preventing the water pipe from freezing due to low temperature, and ensuring smooth water flow.

[0014] 2. The second water pump pumps the cold water in the water pipe into the connecting pipe to circulate the cold water, which not only reduces the condensation possibility in the water pipe, but also ensures that the water pipe will not freeze quickly without water equipment. By adjusting the flow rate of the second water pump, the cold water can flow at a uniform speed, further enhancing the anti-freezing effect.

[0015] 3. The device adopts two anti-freezing mechanisms, hot water circulation and cold water circulation, forming double protection. The hot water circulation transfers heat to the water pipe through the heat-conducting tape, and the cold water circulation prevents icing through continuous water flow. These two mechanisms complement each other to ensure the stability and reliability of the system.

[0016] 4. Through the design of the hot water circulation device and the return pipe, the system can ensure that the water temperature in the hot water pipe is always above the preset value. Even if the hot water is not used for a long time, the user can achieve instant heating without waiting for the hot water to arrive, significantly improving the user's experience. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1The utility model discloses a three-dimensional structure schematic diagram.

[0018] Figure 2 The utility model discloses a three-dimensional structure schematic diagram of total valve, filter and cold water pipe and other components.

[0019] Figure 3 The utility model discloses a three-dimensional structure schematic diagram of circulation pipe, first water pump and first one-way valve and other components.

[0020] Figure 4 The utility model discloses a three-dimensional structure schematic diagram of connecting pipe, second water pump and second one-way valve and other components.

[0021] Part name and serial number in drawing: 1 _ water pipe, 2 _ total valve, 3 _ filter, 4 _ cold water pipe, 5 _ water equipment, 6 _ water heater, 7 _ back type pipe, 71 _ hot water pipe, 8 _ heat preservation material, 9 _ water supply pipe, 10 _ hot water circulator, 101 _ temperature sensor, 11 _ water quality detection equipment, 13 _ alarm, 14 _ circulation pipe, 15 _ first water pump, 16 _ first one-way valve, 17 _ heat-conducting adhesive tape, 18 _ connecting pipe, 19 _ second water pump, 20 _ second one-way valve. DETAILED DESCRIPTION

[0022] The utility model is described in detail below in connection with the drawings and specific embodiments, but not as the limitation of the utility model.

[0023] Embodiment: a kind of residential area concentrated cold and hot water circulation device, such as Figures 1-3As shown, including the tap 1, the total valve 2, filter 3, cold water pipe 4, water heater 6, back type pipe 7, hot water pipe 71, water supply pipe 9, hot water circulator 10, temperature sensor 101 and heat exchange assembly, the tap 1 left end is provided with total valve 2 for controlling water flow switch, the tap 1 left end is close to the total valve 2 position through bolt installation filter 3, filter 3 is used for filtering the water source flowing through the tap 1 inside, ensure water quality clean, the tap 1 right end equidistantly connected with multiple vertical cold water pipe 4, cold water pipe 4 tail end is connected with the cold water interface in water equipment 5 of residential area respectively, total valve 2 is usually in the open state, when water equipment 5 needs to use cold water, the cold water in the tap 1 is pumped to water equipment 5 through cold water pipe 4, realizes the instant supply of cold water, water heater 6 is bolted in the residential area centralized water supply machine box, water heater 6 bottom is connected with back type pipe 7, the upper road pipe of back type pipe 7 is connected with multiple vertical hot water pipe 71, hot water pipe 71 tail end is connected with the hot water interface in water equipment 5 of residential area respectively, water heater 6 and tap 1 are also connected with a water supply pipe 9, for pumping cold water in tap 1 to water heater 6, after water heater 6 heats the cold water, hot water is transported to hot water pipe 71 through the upper road pipe of back type pipe 7, and then reaches water equipment 5, realizes the instant supply of hot water, the left end of the lower road pipe of back type pipe 7 is bolted with hot water circulator 10, the right end of back type pipe 7 is installed with temperature sensor 101 for detecting the temperature in the pipe, temperature sensor 101, hot water circulator 10, water heater 6 are electrically connected with the control system inside the residential area centralized water supply machine box, hot water circulator 10 is prior art, can independently regulate temperature and switch, in the case of long time not using hot water or low ambient temperature, the hot water reserved in back type pipe 7 and hot water pipe 71 will gradually cool down, temperature sensor 101 monitors the internal hot water temperature in real time, when detecting that the temperature is lower than the preset threshold, a signal is sent to the control system, and the control system starts hot water circulator 10, and the water in back type pipe 7 and hot water pipe 71 is pumped back to the inside of water heater 6 to be reheated, and after heating, it is pumped back to back type pipe 7 and hot water pipe 71 from water heater 6, so that users can obtain instant hot water at any time, back type pipe 7 is provided with heat exchange assembly.

[0024] As Figure 1 And Figure 3As shown, the heat exchange assembly includes a circulating pipe 14, a first water pump 15 and a first one-way valve 16. The circulating pipe 14 is connected between the left end of the upper path pipe and the right end of the lower path pipe of the return type pipe 7, and is tightly attached to the rear side wall of the tap water pipe 1. The left end of the circulating pipe 14 is provided with the first water pump 15 through a flange, and the right end of the circulating pipe 14 is provided with the first one-way valve 16. The first water pump 15 and the first one-way valve 16 are electrically connected with the control system. When the temperature is low, the first water pump 15 is started through the control system to pump the hot water in the return type pipe 7 into the circulating pipe 14, and then the hot water returns to the return type pipe 7 through the right end of the circulating pipe 14 and the first one-way valve 16, forming a closed hot water circulation. The design of the first one-way valve 16 ensures that the water in the return type pipe 7 cannot directly enter the circulating pipe 14 through the first one-way valve 16. The circulating pipe 14 is tightly attached to the tap water pipe 1, so that the hot water in the circulating pipe 14 exchanges heat with the tap water pipe 1, avoiding the internal freezing of the tap water pipe 1 due to low temperature, and ensuring smooth water flow.

[0025] As shown in Figure 1 and Figure 4 , it further includes a connecting pipe 18, a second water pump 19 and a second one-way valve 20. The connecting pipe 18 is connected between the left and right ends of the bottom of the tap water pipe 1. The left end of the connecting pipe 18 is provided with the second one-way valve 20, and the right end of the connecting pipe 18 is provided with the second water pump 19 through a flange. When the temperature is low, the second water pump 19 is started through the control system to pump the cold water in the tap water pipe 1 into the connecting pipe 18, and then the cold water returns to the tap water pipe 1 through the second one-way valve 20, realizing the circulation of the cold water. By adjusting the flow rate of the second water pump 19, the cold water can flow at a uniform and slow speed. In a low-temperature environment, the flow of cold water can reduce the possibility of condensation inside the tap water pipe 1, ensuring that the tap water pipe 1 will not freeze quickly without the use of water equipment 5.

[0026] As shown in Figure 1 and Figure 2 , it further includes a water quality detection device 11 and an alarm 13. The water quality detection device 11 is also installed in the centralized water supply cabinet of the residential area, and the detection head of the water quality detection device 11 is connected with the left end of the tap water pipe 1. The alarm 13 is installed on the front side of the water heater 6. The water quality detection device 11 and the alarm 13 are electrically connected with the control system. The water quality detection device 11 contacts the water source inside the tap water pipe 1 through the detection head to monitor the water quality. When the water quality is abnormal, the control system sends a signal to the alarm 13, which issues an alarm to remind the user, so as to timely handle special situations and ensure the user's healthy water use.

[0027] As shown in Figure 2 and Figure 3The heat preservation material 8 and the heat conducting adhesive tape 17 are further included, the outer wall of the hot water pipe 71 is sleeved with the heat preservation material 8, the heat preservation material 8 is used for heat preservation of hot water in the hot water pipe 71, heat loss is reduced, the temperature of the hot water is kept, the comfort degree of use of the hot water is improved, the tap water pipe 1 and the circulating pipe 14 are tightly connected through the heat conducting adhesive tape 17 connected in the interval, the heat conducting adhesive tape 17 conducts heat to the tap water pipe 1 from the temperature in the circulating pipe 14, the heat exchange efficiency between the two is improved, and the anti-freezing effect is enhanced.

[0028] Although the embodiments of the present application have been shown and described, it should be understood by those ordinary skilled in the art that changes can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A centralized cold and hot water circulating device for residential areas, characterized in that: The utility model provides a kind of centralized water supply device, including tap (1), total valve (2), filter (3), cold water pipe (4), water heater (6), back type pipe (7), hot water pipe (71), water supply pipe (9), hot water circulator (10), temperature sensor (101) and heat exchange component, tap (1) left end is equipped with total valve (2) for controlling water flow switch, tap (1) left end is equipped with filter (3) near total valve (2), filter (3) is used to filter water source flowing in tap (1) inside, tap (1) right end equidistantly connects multiple vertical cold water pipe (4), cold water pipe (4) tail end is connected with the cold water interface in water equipment (5) of residential area respectively, water heater (6) is installed in the centralized water supply machine box of residential area, water heater (6) bottom is connected with back type pipe (7), the upper road pipe of back type pipe (7) is connected with multiple vertical hot water pipe (71) with interval, hot water pipe (71) tail end is connected with the hot water interface in water equipment (5) of residential area respectively, water heater (6) and tap (1) are also connected with a water supply pipe (9), the left end of the lower road pipe of back type pipe (7) is equipped with hot water circulator (10), the right end of back type pipe (7) is installed with temperature sensor (101) for detecting pipe temperature in back character bend, temperature sensor (101), hot water circulator (10), water heater (6) are electrically connected with the control system in the centralized water supply machine box of residential area.

2. The device according to claim 1, characterized in that: Heat exchange component includes circulating pipe (14), first water pump (15) and first check valve (16), the left end of the upper road pipe of back type pipe (7) is connected with the right end of lower road pipe, and is equipped with circulating pipe (14), and circulating pipe (14) is close to tap (1) rear side wall, and the left end of circulating pipe (14) is equipped with first water pump (15), and the right end of circulating pipe (14) is equipped with first check valve (16), and first water pump (15) and first check valve (16) are electrically connected with control system.

3. The device according to claim 2, characterized in that: It further includes connecting pipe (18), second water pump (19) and second check valve (20), and connecting pipe (18) is connected between the bottom of tap (1) two ends, and the left end of connecting pipe (18) is equipped with second check valve (20), and the right end of connecting pipe (18) is equipped with second water pump (19).

4. The device according to claim 3, characterized in that: It further includes water quality detection equipment (11) and alarm (13), and water quality detection equipment (11) is also installed in the centralized water supply machine box of residential area, and the detection head of water quality detection equipment (11) is connected with the left end of tap (1), and alarm (13) is installed on the front side of water heater (6), and water quality detection equipment (11) and alarm (13) are electrically connected with control system.

5. The device according to claim 4, characterized in that: It further includes thermal insulation material (8), and thermal insulation material (8) is sleeved on the outer wall of hot water pipe (71), for the heat preservation of hot water in hot water pipe (71).

6. The device according to claim 5, characterized in that: It further includes heat-conducting adhesive tape (17), and tap (1) and circulating pipe (14) are tightly connected through interval connecting heat-conducting adhesive tape (17).

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