A compact terminal heat exchanger integrating heating and cooling

Abstract

This utility model discloses a compact terminal heat exchange device integrating heating and cooling, relating to the technical field of heat exchange devices. It includes a frame and an internal cleaning unit. The frame has heat exchange tubes uniformly fixedly installed inside. The inlet on the left side of each heat exchange tube is connected to the end of an upper distribution pipe, and the outlet on the left side of each heat exchange tube is connected to the end of a lower distribution pipe. An inlet pipe is installed at the other end of the upper distribution pipe, and an outlet pipe is installed at the other end of the lower distribution pipe. An external cleaning unit is provided inside the frame. The internal cleaning unit includes a liquid pump, a detergent tank, and a delivery pipe. This compact terminal heat exchange device integrating heating and cooling uses an internal cleaning unit (liquid pump + detergent + rotating scraper) to automatically remove dirt from the inner wall of the heat exchange tubes, and an external cleaning unit (sweeping brush + spray pipe) to clean impurities from the outer wall. Combined with temperature and flow sensors to monitor the operating status in real time, it significantly improves heat exchange efficiency and reduces energy consumption.

Description

Technical Field

[0001] This utility model relates to the field of heat exchange device technology, specifically a compact terminal heat exchange device that integrates heating and cooling. Background Technology

[0002] A heat exchanger is a device that transfers some of the heat from a hot fluid to a cold fluid; it is also called a heat exchanger. Heat exchangers play an important role in chemical, petroleum, power, food, and many other industrial productions. In chemical production, heat exchangers can be used as heaters, coolers, condensers, evaporators, and reboilers, and are widely used. With the increasing demands for building energy conservation and indoor environmental comfort, integrated heating and cooling systems are widely used in the building sector.

[0003] Traditional terminal heat exchange devices typically employ a split design, which suffers from problems such as loose structure, low heat exchange efficiency, and inconvenient maintenance. In particular, during long-term operation, scale, impurities, or microorganisms can easily accumulate on the inner and outer walls of the heat exchange tubes, leading to decreased heat exchange efficiency, increased energy consumption, and even affecting the system's lifespan.

[0004] Existing cleaning methods mostly rely on manual disassembly or chemical rinsing, which are cumbersome and may damage the equipment. In addition, traditional devices lack real-time monitoring functions, making it difficult to optimize operating efficiency. To address this, we propose a compact terminal heat exchange device that integrates heating and cooling. Utility Model Content

[0005] The technical problem this utility model aims to solve is to overcome existing defects and provide a compact terminal heat exchange device that integrates heating and cooling. It adopts an internal cleaning unit (liquid pump + detergent + rotating scraper) to automatically remove dirt from the inner wall of the heat exchange tube, and an external cleaning unit (sweeping brush + spray pipe) to clean impurities on the outer wall. With the help of temperature and flow sensors to monitor the operating status in real time, it significantly improves heat exchange efficiency and reduces energy consumption. Automated cleaning reduces manual maintenance. It is suitable for building heating and cooling systems and has outstanding advantages such as energy saving, high efficiency, intelligent control, and convenient maintenance. It can effectively solve the problems in the background technology.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a compact terminal heat exchange device integrating heating and cooling, comprising a frame and an internal cleaning unit;

[0007] Frame: Heat exchange tubes are uniformly fixedly installed inside. The water inlet on the left side of the heat exchange tube is connected to the end of the upper liquid distribution tube, and the water outlet on the left side of the heat exchange tube is connected to the end of the lower liquid distribution tube. The other end of the upper liquid distribution tube is equipped with a liquid inlet pipe, and the other end of the lower liquid distribution tube is equipped with a liquid outlet pipe. An external cleaning unit is provided inside the frame.

[0008] Internal cleaning unit: includes a liquid pump, a cleaning agent tank and a delivery pipe. The liquid pump is fixed to the bottom of the cleaning agent tank. The outlet of the liquid pump is connected to the inlet on the top of the inlet pipe through the delivery pipe.

[0009] It also includes a connecting pipe, which is fixed to the surface of the inlet pipe and the outlet pipe, and the input end of the liquid pump is electrically connected to the output end of an external controller.

[0010] Cold and hot water are transported to the heat exchange tubes through the distribution pipe on the surface of the inlet pipe, which enables the heat exchange device to provide heating and cooling. The liquid pump is started to inject the cleaning agent from the cleaning agent tank to clean the inside of the inlet pipe, outlet pipe and heat exchange tubes.

[0011] Furthermore, the internal cleaning unit also includes a liquid level sensor, a first motor, a fixed shaft, and a rubber scraper. The liquid level sensor is fixed to the top surface of the cleaning agent tank. There are two first motors, which are respectively fixed to the rear sides of the inlet pipe and the outlet pipe. The output shaft of the first motor is connected to the rear end of the fixed shaft. A rubber scraper is fixed to the outside of the fixed shaft. The input end of the first motor is electrically connected to the output end of an external controller, and the output end of the liquid level sensor is electrically connected to the input end of an external controller. Starting the first motor drives the rubber scraper on the outside of the fixed shaft to rotate, which can improve the cleaning effect of the inner walls of the inlet pipe and the outlet pipe. The liquid level sensor automatically monitors the remaining cleaning agent to avoid cleaning failure due to insufficient reagent.

[0012] Furthermore, the external cleaning unit includes a fixed column, a lifting seat, a second motor, a lead screw, and a cleaning brush. The second motor is evenly fixed on the right side of the top surface of the frame, and the fixed column is evenly fixed on the left side inside the frame. The output shaft of the second motor is connected to the top of the lead screw, and the lead screw is threadedly connected to the screw hole on the surface of the lifting seat. The sliding hole on the surface of the lifting seat is slidably connected to the fixed column. The cleaning brush is slidably installed in the mounting grooves on the front and rear sides of the lifting seat. The input end of the second motor is electrically connected to the output end of an external controller. Starting the second motor drives the lead screw to rotate, thereby driving the lifting seat to rise and fall, so that the cleaning brush can clean the dust adhering to the surface of the heat exchange tube.

[0013] Furthermore, the external cleaning unit also includes an anti-detachment frame, a placement seat, a cleaning nozzle, and a linear motor. There are two linear motors, which are respectively fixed at both ends of the front side of the frame. The front side of the linear motor actuator is provided with a placement seat. The interior of the placement seat is inserted into the end of the nozzle. The anti-detachment frame is slidably installed on the outside of the placement seat. The input end of the linear motor is electrically connected to the output end of an external controller. The linear motor drives the cleaning nozzle to rise and fall, and starts an external air pump to blow air to the outside of the heat exchange tube. This automatically removes dust or frost from the outer wall of the heat exchange tube, avoiding a decrease in heat exchange efficiency due to dirt accumulation.

[0014] Furthermore, it also includes a first temperature sensor and a second temperature sensor. The first temperature sensor is installed on the front side of the inlet pipe, and the second temperature sensor is installed on the front side of the outlet pipe. The output terminals of the first and second temperature sensors are electrically connected to the input terminal of an external controller. The first temperature sensor can detect the temperature of the inlet water, while the second temperature sensor can detect the temperature of the outlet water. This allows for real-time detection of the liquid temperature, thereby meeting different heating and cooling needs.

[0015] Furthermore, it also includes flow sensors, of which there are two and are respectively installed on the surfaces of two corresponding connecting pipes. The output end of the flow sensor is electrically connected to the input end of an external controller, and the flow sensor can detect the water flow rate.

[0016] Compared with the prior art, the beneficial effects of this utility model are as follows: This integrated heating and cooling compact terminal heat exchange device has the following advantages:

[0017] 1. The cleaning agent inside the cleaning agent tank is injected by starting the liquid pump to clean the inside of the inlet pipe, outlet pipe and heat exchange tube. The first motor is started to drive the rubber scraper on the outside of the fixed shaft to rotate. This can improve the cleaning effect of the inner wall of the inlet pipe and outlet pipe. The liquid level sensor automatically monitors the remaining cleaning agent to avoid cleaning failure due to insufficient reagent.

[0018] 2. By starting the second motor to drive the lead screw to rotate, the lifting seat is raised and lowered. At the same time, the linear motor drives the cleaning nozzle to rise and fall. The external air pump is started to blow air to the outside of the heat exchange tube, and the cleaning brush automatically removes dust or frost from the outer wall of the heat exchange tube, avoiding a decrease in heat exchange efficiency due to dirt accumulation. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the structure of this utility model;

[0020] Figure 2 This is a schematic diagram of the external cleaning unit structure of this utility model;

[0021] Figure 3 This is a schematic diagram of the internal cleaning unit structure of this utility model.

[0022] In the diagram: 1 Frame, 2 Inner cleaning unit, 21 Liquid pump, 22 Detergent tank, 23 Delivery pipe, 24 Liquid level sensor, 25 First motor, 26 Fixed shaft, 27 Rubber scraper, 3 Outer cleaning unit, 31 Fixed column, 32 Lifting seat, 33 Second motor, 34 Lead screw, 35 Sweeping brush, 36 Anti-detachment frame, 37 Placement seat, 38 Cleaning nozzle, 39 Linear motor, 4 Inlet pipe, 5 Outlet pipe, 6 Distributor pipe, 7 Connecting pipe, 8 Heat exchanger pipe, 9 First temperature sensor, 10 Second temperature sensor, 11 Flow sensor. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Please see Figure 1-3 This embodiment provides a technical solution: a compact terminal heat exchange device integrating heating and cooling, including a frame 1 and an internal cleaning unit 2;

[0025] Frame 1: Heat exchange tubes 8 are uniformly fixedly installed inside. The water inlet on the left side of the heat exchange tube 8 is connected to the end of the upper liquid distribution pipe 6, and the water outlet on the left side of the heat exchange tube 8 is connected to the end of the lower liquid distribution pipe 6. The other end of the upper liquid distribution pipe 6 is equipped with an inlet pipe 4, and the other end of the lower liquid distribution pipe 6 is equipped with an outlet pipe 5. The frame 1 is equipped with an external cleaning unit 3, which includes a fixed column 31, a lifting seat 32, a second motor 33, a lead screw 34, and a cleaning brush 35. The second motor 33 is uniformly fixed on the right side of the top surface of the frame 1, and the fixed column 31 is uniformly fixed on the left side inside the frame 1. The output shaft of the second motor 33 is connected to the top of the lead screw 34. The lead screw 34 is threadedly connected to the screw hole on the surface of the lifting seat 32. The sliding hole on the surface of the lifting seat 32 is slidably connected to the fixed column 31. The cleaning brush 35 is slidably installed in the mounting grooves on the front and rear sides of the lifting seat 32. The input end of the motor 33 is electrically connected to the output end of the external controller. The second motor 33 is started to drive the lead screw 34 to rotate, thereby driving the lifting seat 32 to rise and fall, so that the cleaning brush 35 can clean the dust adhering to the surface of the heat exchange tube 8. The external cleaning unit 3 also includes an anti-detachment frame 36, a placement seat 37, a cleaning nozzle 38 and a linear motor 39. There are two linear motors 39, which are fixed at both ends of the front side of the frame 1. The front side of the linear motor 39 mover seat is provided with a placement seat 37. The inside of the placement seat 37 is inserted into the end of the nozzle 38. The anti-detachment frame 36 is slidably installed on the outside of the placement seat 37. The input end of the linear motor 39 is electrically connected to the output end of the external controller. The linear motor 39 drives the cleaning nozzle 38 to rise and fall, and starts the external air pump to blow air to the outside of the heat exchange tube 8. This automatically removes dust or frost from the outer wall of the heat exchange tube 8, avoiding the decrease in heat exchange efficiency due to dirt accumulation.

[0026] Internal cleaning unit 2 includes a liquid pump 21, a detergent tank 22, and a delivery pipe 23. The liquid pump 21 is fixed to the bottom surface of the detergent tank 22. The outlet of the liquid pump 21 is connected to the inlet on the top surface of the inlet pipe 4 via the delivery pipe 23. Internal cleaning unit 2 also includes a liquid level sensor 24, a first motor 25, a fixed shaft 26, and a rubber scraper 27. The liquid level sensor 24 is fixed to the top surface of the detergent tank 22. There are two first motors 25, which are respectively fixed to the rear sides of the inlet pipe 4 and the outlet pipe 5. The output shaft of 5 is connected to the rear end of the fixed shaft 26. A rubber scraper 27 is fixed on the outside of the fixed shaft 26. The input end of the first motor 25 is electrically connected to the output end of the external controller, and the output end of the liquid level sensor 24 is electrically connected to the input end of the external controller. The first motor 25 is started to drive the rubber scraper 27 on the outside of the fixed shaft 26 to rotate. This can improve the cleaning effect of the inner wall of the inlet pipe 4 and the outlet pipe 5. The liquid level sensor 24 automatically monitors the remaining amount of cleaning agent to avoid cleaning failure due to insufficient reagent.

[0027] The system also includes a connecting pipe 7, which is fixed to the surfaces of the inlet pipe 4 and the outlet pipe 5. The input end of the liquid pump 21 is electrically connected to the output end of an external controller. Cold water and hot water are transported to the interior of the heat exchange tube 8 through the distribution pipe 6 on the surface of the inlet pipe 4, thus enabling the heat exchange device to provide heating and cooling. Activating the liquid pump 21 injects cleaning agent from the cleaning agent tank 22 to clean the interior of the inlet pipe 4, the outlet pipe 5, and the heat exchange tube 8. The system also includes a first temperature sensor 9 and a second temperature sensor 10. The first temperature sensor 9 is installed on the front side of the inlet pipe 4, and the second temperature sensor 10 is installed on the outlet pipe 5. On the front side of the liquid pipe 5, the output terminals of the first temperature sensor 9 and the second temperature sensor 10 are electrically connected to the input terminal of the external controller. The first temperature sensor 9 can detect the temperature of the inlet water, while the second temperature sensor 10 can detect the temperature of the outlet water. This allows for real-time detection of the liquid temperature, thereby meeting different heating and cooling needs. It also includes a flow sensor 11. There are two flow sensors 11, which are respectively installed on the surfaces of the two corresponding connecting pipes 7. The output terminal of the flow sensor 11 is electrically connected to the input terminal of the external controller. The flow sensor 11 can detect the water flow rate.

[0028] The working principle of the integrated heating and cooling compact terminal heat exchange device provided by this utility model is as follows: First, the connecting pipe 7 connects the inlet pipe 4 and the outlet pipe 5 to the external hot and cold water pipes respectively. The cold and hot water are transported to the heat exchange tube 8 through the distribution pipe 6 on the surface of the inlet pipe 4, so that the heat exchange device can achieve the function of heating and cooling. The liquid pump 21 is started to inject the cleaning agent in the cleaning agent tank 22 to clean the inlet pipe 4. The first motor 25 drives the rubber scraper 27 on the outside of the fixed shaft 26 to rotate, which can improve the cleaning effect of the inner wall of the inlet pipe 4 and the outlet pipe 5. The liquid level sensor 24 automatically monitors the remaining cleaning agent to avoid insufficient reagent. In case of cleaning failure, while performing internal cleaning, the second motor 33 is activated to drive the lead screw 34 to rotate, thereby driving the lifting seat 32 to rise and fall. This allows the cleaning brush 35 to clean the dust adhering to the surface of the heat exchange tube 8, while the linear motor 39 drives the cleaning spray pipe 38 to rise and fall. The external air pump is activated to blow air to the outside of the heat exchange tube 8, thus automatically removing dust or frost from the outer wall of the heat exchange tube 8 and preventing a decrease in heat exchange efficiency due to dirt accumulation. The first temperature sensor 9 can detect the temperature of the inlet water, while the second temperature sensor 10 can detect the temperature of the outlet water. This allows for real-time monitoring of the liquid temperature, thereby meeting different heating and cooling needs.

[0029] It is worth noting that the external controller disclosed in the above embodiments is equipped with buttons corresponding to the controlled liquid pump 21, liquid level sensor 24, first motor 25, second motor 33, linear motor 39, first temperature sensor 9, second temperature sensor 10, and flow sensor 11. The external controller controls the operation of the liquid pump 21, liquid level sensor 24, first motor 25, second motor 33, linear motor 39, first temperature sensor 9, second temperature sensor 10, and flow sensor 11 using methods commonly used in the prior art.

[0030] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A heat and cold integrated compact end heat exchanger device, characterized in that: Includes a frame (1) and an internal cleaning unit (2); Frame (1): Heat exchange tubes (8) are uniformly fixedly installed inside. The water inlet on the left side of the heat exchange tube (8) is connected to the end of the upper liquid distribution tube (6). The water outlet on the left side of the heat exchange tube (8) is connected to the end of the lower liquid distribution tube (6). The other end of the upper liquid distribution tube (6) is equipped with a liquid inlet pipe (4), and the other end of the lower liquid distribution tube (6) is equipped with a liquid outlet pipe (5). An external cleaning unit (3) is provided inside the frame (1). Internal cleaning unit (2): includes a liquid pump (21), a cleaning agent tank (22) and a delivery pipe (23). The bottom surface of the cleaning agent tank (22) is fixed with a liquid pump (21). The outlet of the liquid pump (21) is connected to the inlet of the top surface of the inlet pipe (4) through the delivery pipe (23). It also includes a connecting pipe (7), which is fixed on the surface of the inlet pipe (4) and the outlet pipe (5), and the input end of the liquid pump (21) is electrically connected to the output end of an external controller.

2. The combined heating and cooling compact terminal heat exchanger according to claim 1, wherein: The internal cleaning unit (2) also includes a liquid level sensor (24), a first motor (25), a fixed shaft (26), and a rubber scraper (27). The liquid level sensor (24) is fixed on the top surface of the detergent tank (22). There are two first motors (25), which are respectively fixed on the rear side of the inlet pipe (4) and the outlet pipe (5). The output shaft of the first motor (25) is connected to the rear end of the fixed shaft (26). The rubber scraper (27) is fixed on the outside of the fixed shaft (26). The input end of the first motor (25) is electrically connected to the output end of the external controller. The output end of the liquid level sensor (24) is electrically connected to the input end of the external controller.

3. The integrated heating and cooling compact terminal heat exchanger according to claim 1, characterized in that: The external cleaning unit (3) includes a fixed column (31), a lifting seat (32), a second motor (33), a lead screw (34), and a cleaning brush (35). The second motor (33) is evenly fixed on the right side of the top surface of the frame (1), and the fixed column (31) is evenly fixed on the left side inside the frame (1). The output shaft of the second motor (33) is connected to the top end of the lead screw (34). The lead screw (34) is threadedly connected to the screw hole on the surface of the lifting seat (32). The sliding hole on the surface of the lifting seat (32) is slidably connected to the fixed column (31). The cleaning brush (35) is slidably installed in the mounting grooves on the front and rear sides of the lifting seat (32). The input end of the second motor (33) is electrically connected to the output end of an external controller.

4. The integrated heating and cooling compact terminal heat exchanger according to claim 1, characterized in that: The external cleaning unit (3) also includes an anti-detachment frame (36), a placement seat (37), a cleaning nozzle (38), and a linear motor (39). There are two linear motors (39) and they are fixed at both ends of the front side of the frame (1). The front side of the moving part of the linear motor (39) is provided with a placement seat (37). The interior of the placement seat (37) is inserted into the end of the nozzle (38). The anti-detachment frame (36) is slidably installed on the outside of the placement seat (37). The input end of the linear motor (39) is electrically connected to the output end of an external controller.

5. The integrated heating and cooling compact terminal heat exchanger according to claim 1, characterized in that: It also includes a first temperature sensor (9) and a second temperature sensor (10). The first temperature sensor (9) is installed on the front side of the inlet pipe (4), and the second temperature sensor (10) is installed on the front side of the outlet pipe (5). The output terminals of the first temperature sensor (9) and the second temperature sensor (10) are electrically connected to the input terminal of an external controller.

6. The integrated heating and cooling compact terminal heat exchanger according to claim 1, characterized in that: It also includes flow sensors (11), there are two flow sensors (11) and they are respectively installed on the surfaces of two corresponding connecting pipes (7), and the output end of the flow sensor (11) is electrically connected to the input end of an external controller.

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