An automatic mixed-flow direct-supply heat exchanger unit

Abstract

This utility model belongs to the field of heat exchange, and in particular to an automatic mixed-flow direct-supply heat exchanger unit. Addressing the problems of existing mixed hot and cold water systems, such as difficulty in temperature control, small contact area, and slow filtration speed, the following solution is proposed: It includes an automatic mixed-flow direct-supply heat exchanger unit base; a support frame bolted to the top of the base; a connecting frame bolted to the inner side of the support frame; a mixed-flow heat exchange tank bolted to the inner side of the connecting frame; and a piping assembly including a main cold water pipe, a main hot water pipe, an auxiliary cold water pipe, and an auxiliary hot water pipe. Through the cooperation of these pipes, the temperature of the mixed water inside the mixed-flow heat exchanger tank can meet subsequent requirements, reducing temperature differences. Furthermore, the use of a cylindrical filter cartridge can filter the mixed water discharged from the mixed-flow heat exchanger tank, improving the filtration speed.

Description

Technical Field

[0001] This utility model relates to the field of heat exchange technology, and in particular to an automatic mixed-flow direct-supply heat exchanger unit. Background Technology

[0002] Automatic mixed-flow direct-supply heat exchanger units, also known as mixed-water direct-connection heat exchanger units, are a type of high-efficiency heat exchange product. Chinese patent application number 202321232977.7 discloses a direct-mixing water heat exchanger unit.

[0003] However, the mixing tanks of the above-mentioned technical solutions have limited size, and it is difficult to reach the desired temperature in one go after mixing hot and cold water, often resulting in a large temperature difference. Moreover, for the same size, the contact surface between the filter structure and the water is small, which affects the filtration speed. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies, such as difficulty in controlling the temperature of mixed hot and cold water, small contact area, and slow filtration speed, and to propose an automatic mixed-flow direct-supply heat exchanger unit.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: An automatic mixed-flow direct-supply heat exchanger unit includes an automatic mixed-flow direct-supply heat exchanger unit base. The support frame is bolted to the top of the base of the automatic mixed-flow direct-supply heat exchanger unit; The connecting frame is bolted to the inside of the support frame; Mixed-flow heat exchanger, the mixed-flow heat exchanger is bolted to the inside of the connecting frame; The piping assembly includes a main cold water pipe, a main hot water pipe, an auxiliary cold water pipe, and an auxiliary hot water pipe. The outlets of the main cold water pipe and the main hot water pipe are connected to the inlets on both sides of the top of the mixed flow heat exchange tank, respectively. There are two auxiliary cold water pipes and two auxiliary hot water pipes. The outlets of the auxiliary cold water pipes and the auxiliary hot water pipes are connected to the inlets on both sides of the mixed flow heat exchange tank, respectively. Filter tank, the filter tank is connected to the opening at the bottom of the mixed flow heat exchange tank; The filter cartridge is snapped into the inside of the filter tank; The mixing and cleaning mechanism is connected to the mixed flow heat exchange tank. Through the cooperation of the main cold water pipe, main hot water pipe, auxiliary cold water pipe and auxiliary hot water pipe, the temperature of the mixed water inside the mixed flow heat exchange tank can meet the subsequent requirements, reduce the temperature difference, and the cylindrical filter can filter the mixed water discharged from the mixed flow heat exchange tank, thereby improving the filtration speed.

[0006] As a preferred embodiment of this utility model, the hybrid cleaning mechanism includes a power motor, a drive wheel, a transmission belt, and a hybrid cleaning assembly. The output end of the power motor is keyed to the shaft of the drive wheel. The inside of the drive wheel is connected to the inside of the transmission belt. The transmission belt is connected to the hybrid cleaning assembly. When the power motor is powered on, it is controlled by a motor controller. The power motor can drive the drive wheel to rotate, the drive wheel can drive the transmission belt to rotate, and the transmission belt can drive the hybrid cleaning assembly to rotate.

[0007] In a preferred embodiment of this utility model, the mixing and cleaning assembly includes a driven wheel, a rotating shaft, an agitator plate, and a cleaning brush. The inner side of the transmission belt is connected to the interior of the driven wheel. The shaft center of the driven wheel is keyed to the top of the rotating shaft. The surface of the rotating shaft is bolted to the handle of the cleaning brush. The handle of the cleaning brush is bolted to the bottom of the rotating shaft surface. The transmission belt can drive the driven wheel to rotate, which in turn drives the rotating shaft to rotate. The rotating shaft can drive the agitator plate to rotate, which mixes the water inside the mixed flow heat exchange tank. The rotating shaft can drive the cleaning brush to rotate, which scrapes the inner wall of the filter cartridge, removing adhering impurities and ensuring the unobstructed flow of the filter cartridge.

[0008] In a preferred embodiment of this utility model, the surface of the power motor is bolted to the top of the surface of the mixed flow heat exchange tank, the top of the rotating shaft is rotatably sleeved with the hole at the top of the inside of the mixed flow heat exchange tank, and the bottom of the rotating shaft is rotatably sleeved with the bottom of the inside of the filter tank. The power motor is fixed by the mixed flow heat exchange tank, which can ensure the stability of the power motor. The rotating shaft is rotatably set with the mixed flow heat exchange tank through bearings, and the rotating shaft is rotatably set with the filter tank through bearings, which ensures the smoothness of the rotating shaft rotation.

[0009] As a preferred embodiment of this utility model, control valves are provided on the surfaces of the main cold water pipe, the main hot water pipe, the auxiliary cold water pipe, and the auxiliary hot water pipe. Water pumps are connected to the inlet ends of the main cold water pipe, the main hot water pipe, the auxiliary cold water pipe, and the auxiliary hot water pipe. The control valves can control the injection flow rate of the main cold water pipe, the main hot water pipe, the auxiliary cold water pipe, and the auxiliary hot water pipe. The water pumps can facilitate water injection operations in the main cold water pipe, the main hot water pipe, the auxiliary cold water pipe, and the auxiliary hot water pipe.

[0010] As a preferred embodiment of this utility model, the inner wall of the mixed-flow heat exchange tank is bolted with high-precision temperature sensors. There are three high-precision temperature sensors, which detect the temperature at different locations. The high-precision temperature sensor at the top can monitor the temperature of the water mixed after being injected into the main cold water pipe and the main hot water pipe. If the temperature is found to be too high or too low, the auxiliary cold water pipe and the auxiliary hot water pipe at the top can inject an appropriate amount of cold or hot water for the first correction. The high-precision temperature sensor in the middle monitors the water temperature after the first correction. If it is still not up to standard, the auxiliary cold water pipe and the auxiliary hot water pipe at the bottom continue to inject cold and hot water. This operation can reduce the water temperature difference.

[0011] Beneficial effects: 1. The cold water source is connected to the main cold water pipe and the auxiliary cold water pipe respectively. The hot water source can be connected to the main hot water pipe and the auxiliary hot water pipe. The main cold water pipe and the main hot water pipe inject cold and hot water into the inside of the mixed flow heat exchange tank. After a temperature difference is found in the mixed water, the auxiliary cold water pipe and the auxiliary hot water pipe are controlled to inject appropriate hot or cold water respectively, so that the mixed water inside the mixed flow heat exchange tank meets the temperature requirements. 2. The water mixed inside the mixed flow heat exchanger flows downward and enters the filter tank, where it is filtered by the filter cartridge and finally discharged. In this invention, the main cold water pipe, main hot water pipe, auxiliary cold water pipe, and auxiliary hot water pipe work together to ensure that the temperature of the mixed water inside the mixed flow heat exchange tank meets the subsequent requirements, reducing the temperature difference. Furthermore, the cylindrical filter can be used to filter the mixed water discharged from the mixed flow heat exchange tank, thereby increasing the filtration speed. Attached Figure Description

[0012] Figure 1 This is a perspective view of the entire utility model; Figure 2 This is a three-dimensional view of the interior of the mixed-flow heat exchanger of this utility model; Figure 3 This is a perspective view of the rotating shaft of this utility model; Figure 4 This is a perspective view of the support frame of this utility model.

[0013] In the diagram: 1. Automatic mixed-flow direct-supply heat exchanger unit base; 2. Support frame; 3. Connecting frame; 4. Mixed-flow heat exchange tank; 5. Main cold water pipe; 6. Main hot water pipe; 7. Auxiliary cold water pipe; 8. Auxiliary hot water pipe; 9. Filter tank; 10. Filter cartridge; 11. Power motor; 12. Drive wheel; 13. Transmission belt; 14. Driven wheel; 15. Rotating shaft; 16. Agitator plate; 17. Cleaning brush; 18. High-precision temperature sensor. Detailed Implementation

[0014] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0015] Example Reference Figures 1-4 An automatic mixed-flow direct-supply heat exchanger unit includes an automatic mixed-flow direct-supply heat exchanger unit base 1; Support frame 2 is bolted to the top of the base 1 of the automatic mixed flow direct supply heat exchanger unit; Connecting frame 3 is bolted to the inside of support frame 2; Mixed flow heat exchanger 4 is bolted to the inside of the connecting frame 3; The piping assembly includes a main cold water pipe 5, a main hot water pipe 6, an auxiliary cold water pipe 7, and an auxiliary hot water pipe 8. The outlets of the main cold water pipe 5 and the main hot water pipe 6 are respectively connected to the inlets on both sides of the top of the mixed flow heat exchange tank 4. There are two auxiliary cold water pipes 7 and two auxiliary hot water pipes 8. The outlets of the auxiliary cold water pipes 7 and the auxiliary hot water pipes 8 are respectively connected to the inlets on both sides of the mixed flow heat exchange tank 4. Filter tank 9, which is connected to the opening at the bottom of the mixed flow heat exchange tank 4; Filter cartridge 10 is snapped into the interior of filter tank 9; The mixing cleaning mechanism is connected to the mixed flow heat exchange tank 4.

[0016] With the above structure, the main cold water pipe 5, the main hot water pipe 6, the auxiliary cold water pipe 7 and the auxiliary hot water pipe 8 work together to ensure that the temperature of the mixed water inside the mixed flow heat exchange tank 4 meets the subsequent requirements, reducing the temperature difference. Moreover, the cylindrical filter cartridge 10 can be used to filter the mixed water discharged from the mixed flow heat exchange tank 4, thereby increasing the filtration speed.

[0017] Please see Figure 3 The hybrid cleaning mechanism includes a power motor 11, a drive wheel 12, a transmission belt 13, and a hybrid cleaning assembly. The output end of the power motor 11 is keyed to the shaft of the drive wheel 12. The inside of the drive wheel 12 is connected to the inside of the transmission belt 13. The transmission belt 13 is connected to the hybrid cleaning assembly. When the power motor 11 is powered on, the power motor 11 is controlled by a motor controller. The power motor 11 can drive the drive wheel 12 to rotate, the drive wheel 12 can drive the transmission belt 13 to rotate, and the transmission belt 13 can drive the hybrid cleaning assembly to rotate.

[0018] Please see Figure 2The mixing and cleaning assembly includes a driven wheel 14, a rotating shaft 15, an agitator 16, and a cleaning brush 17. The inner side of the drive belt 13 is connected to the inside of the driven wheel 14. The shaft of the driven wheel 14 is keyed to the top of the rotating shaft 15. The surface of the rotating shaft 15 is bolted to the handle of the cleaning brush 17. The handle of the cleaning brush 17 is bolted to the bottom of the surface of the rotating shaft 15. The drive belt 13 can drive the driven wheel 14 to rotate, the driven wheel 14 can drive the rotating shaft 15 to rotate, the rotating shaft 15 can drive the agitator 16 to rotate, the agitator 16 can mix the water inside the mixed flow heat exchange tank 4, and the rotating shaft 15 can drive the cleaning brush 17 to rotate. The cleaning brush 17 can scrape the inner wall of the filter cartridge 10 to remove adhering impurities and ensure the unobstructed flow of the filter cartridge 10.

[0019] Please see Figure 2 The surface of the power motor 11 is bolted to the top of the surface of the mixed flow heat exchange tank 4. The top of the surface of the rotating shaft 15 is rotatably sleeved with the hole at the top of the interior of the mixed flow heat exchange tank 4. The bottom of the rotating shaft 15 is rotatably sleeved with the bottom of the interior of the filter tank 9. The power motor 11 is fixed by the mixed flow heat exchange tank 4, which can ensure the stability of the power motor 11. The rotating shaft 15 is rotatably set with the mixed flow heat exchange tank 4 through bearings. The rotating shaft 15 is rotatably set with the filter tank 9 through bearings, which ensures the smoothness of the rotation of the rotating shaft 15.

[0020] Please see Figure 4 Control valves are installed on the surfaces of the main cold water pipe 5, the main hot water pipe 6, the auxiliary cold water pipe 7, and the auxiliary hot water pipe 8. Water pumps are connected to the inlet ends of the main cold water pipe 5, the main hot water pipe 6, the auxiliary cold water pipe 7, and the auxiliary hot water pipe 8. The control valves can control the injection flow of the main cold water pipe 5, the main hot water pipe 6, the auxiliary cold water pipe 7, and the auxiliary hot water pipe 8. The water pumps can facilitate water injection operations in the main cold water pipe 5, the main hot water pipe 6, the auxiliary cold water pipe 7, and the auxiliary hot water pipe 8.

[0021] Please see Figure 4 The inner wall of the mixed-flow heat exchange tank 4 is bolted with high-precision temperature sensors 18. There are three high-precision temperature sensors 18, which detect the temperature at different locations. The high-precision temperature sensor 18 at the top can monitor the temperature of the mixed water injected into the main cold water pipe 5 and the main hot water pipe 6. If the temperature is found to be too high or too low, the auxiliary cold water pipe 7 and the auxiliary hot water pipe 8 at the top can inject an appropriate amount of cold or hot water for the first correction. The high-precision temperature sensor 18 in the middle monitors the water temperature after the first correction. If it is still not up to standard, the auxiliary cold water pipe 7 and the auxiliary hot water pipe 8 at the bottom continue to inject cold and hot water. This operation can reduce the water temperature difference.

[0022] It should be noted that the specific models of the power motor 11, high-precision temperature sensor 18, control valve, and water pump used should be selected by those skilled in the art. Furthermore, the power motor 11, high-precision temperature sensor 18, control valve, and water pump mentioned above are all existing technologies and will not be elaborated upon in this solution.

[0023] The working principle of this utility model: This application is equivalent to the mixing tank structure of application number 202321232977.7. The cold water source of this patent is connected to the main cold water pipe 5 and the auxiliary cold water pipe 7 respectively, and the hot water source can be connected to the main hot water pipe 6 and the auxiliary hot water pipe 8. The outlet of the filter tank 9 is also connected to the corresponding pipe of this patent. The main cold water pipe 5 and the main hot water pipe 6 inject cold and hot water into the interior of the mixed flow heat exchange tank 4. After the high-precision temperature sensor 18 detects a temperature difference in the mixed water, it controls the auxiliary cold water pipe 7 and the auxiliary hot water pipe 8 to inject appropriate hot or cold water respectively, so that the mixed water inside the mixed flow heat exchange tank 4 meets the temperature requirements. The power supply of the power motor 11 is then turned on. 1. The system is controlled by a motor controller. The power motor 11 can drive the drive wheel 12 to rotate, the drive wheel 12 can drive the transmission belt 13 to rotate, the transmission belt 13 can drive the driven wheel 14 to rotate, the driven wheel 14 can drive the rotating shaft 15 to rotate, and the rotating shaft 15 can drive the stirring plate 16 to rotate. The stirring plate 16 can mix the water inside the mixed flow heat exchange tank 4. The mixed water flows downward and enters the interior of the filter tank 9. After being filtered by the filter cylinder 10, it is finally discharged, thus increasing the filtration speed. The rotating shaft 15 can drive the cleaning brush 17 to rotate. The cleaning brush 17 can scrape the inner wall of the filter cylinder 10 to remove the adhering impurities and ensure the unobstructed flow of the filter cylinder 10.

[0024] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. An automatic mixed-flow direct-supply heat exchanger unit, comprising an automatic mixed-flow direct-supply heat exchanger unit base (1), characterized in that, Support frame (2), the support frame (2) is bolted to the top of the base (1) of the automatic mixed flow direct supply heat exchanger unit; Connecting frame (3), the connecting frame (3) is bolted to the inside of the support frame (2); Mixed flow heat exchanger (4), the mixed flow heat exchanger (4) is bolted to the inside of the connecting frame (3); The piping assembly includes a main cold water pipe (5), a main hot water pipe (6), an auxiliary cold water pipe (7), and an auxiliary hot water pipe (8). The outlets of the main cold water pipe (5) and the main hot water pipe (6) are connected to the inlets on both sides of the top of the mixed flow heat exchange tank (4). There are two auxiliary cold water pipes (7) and two auxiliary hot water pipes (8). The outlets of the auxiliary cold water pipes (7) and the auxiliary hot water pipes (8) are connected to the inlets on both sides of the mixed flow heat exchange tank (4). Filter tank (9), filter tank (9) is connected to the opening at the bottom of the mixed flow heat exchange tank (4); The filter cartridge (10) is snapped into the inside of the filter tank (9); The mixing cleaning mechanism is connected to the mixed flow heat exchange tank (4).

2. The automatic mixed-flow direct-supply heat exchanger unit according to claim 1, characterized in that, The hybrid cleaning mechanism includes a power motor (11), a drive wheel (12), a transmission belt (13), and a hybrid cleaning assembly. The output end of the power motor (11) is keyed to the shaft of the drive wheel (12). The inside of the drive wheel (12) is connected to the inside of the transmission belt (13). The transmission belt (13) is connected to the hybrid cleaning assembly.

3. The automatic mixed-flow direct-supply heat exchanger unit according to claim 2, characterized in that, The hybrid cleaning assembly includes a passive wheel (14), a rotating shaft (15), an agitator (16), and a cleaning brush (17). The inner side of the transmission belt (13) is connected to the inside of the passive wheel (14). The shaft center of the passive wheel (14) is keyed to the top end of the rotating shaft (15). The surface of the rotating shaft (15) is bolted to the handle of the cleaning brush (17). The handle of the cleaning brush (17) is bolted to the bottom end of the surface of the rotating shaft (15).

4. The automatic mixed-flow direct-supply heat exchanger unit according to claim 3, characterized in that, The surface of the power motor (11) is bolted to the top of the surface of the mixed flow heat exchange tank (4), the top of the surface of the rotating shaft (15) is rotated and sleeved with the hole at the top of the inside of the mixed flow heat exchange tank (4), and the bottom of the rotating shaft (15) is rotated and sleeved with the bottom of the inside of the filter tank (9).

5. The automatic mixed-flow direct-supply heat exchanger unit according to claim 1, characterized in that, Control valves are provided on the surfaces of the main cold water pipe (5), the main hot water pipe (6), the auxiliary cold water pipe (7), and the auxiliary hot water pipe (8). A water pump is connected to the inlet end of the main cold water pipe (5), the main hot water pipe (6), the auxiliary cold water pipe (7), and the auxiliary hot water pipe (8).

6. The automatic mixed-flow direct-supply heat exchanger unit according to claim 1, characterized in that, The inner wall of the mixed flow heat exchange tank (4) is bolted with a high-precision temperature sensor (18), and there are three high-precision temperature sensors (18).

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