Medium and high temperature intelligent cooling system based on new energy measurement motor

Abstract

The utility model discloses a new energy-based intelligent cooling system for measuring high temperature in a motor, which relates to the technical field of motor detection, and comprises a plate heat exchanger, a circulating water tank and an over-limit protection component, the plate heat exchanger is connected with an inlet and an outlet for water source flowing, and the plate heat exchanger is provided with a filter switch component; the circulating water tank is arranged below the plate heat exchanger and used for storing and supplying liquid, and the over-limit protection assembly is arranged between the plate heat exchanger and the circulating water tank and on the side face, away from the plate heat exchanger, of the circulating water tank. According to the utility model, through the arrangement of the high-temperature intelligent cooling system based on the new energy testing motor, the testing requirements under various working conditions can be met, the temperature control precision of the system can reach + / -0.1 DEG C, the flow control precision can reach + / -0.1 L / min, the pressure control precision can reach + / -2KPa, and the system adopts a frequency conversion control mode to realize the energy-saving effect; therefore, various test requirements can be met, the application range is wide, and the practicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of motor detection, and in particular to an intelligent cooling system for measuring medium and high temperatures of motors based on new energy. Background Art

[0002] New energy refers to various forms of energy other than traditional energy. It can also be defined as the modern development and utilization of traditional renewable energy based on new technologies and new materials.

[0003] A motor is a device that can convert electrical energy into mechanical energy. The use of the motor needs to ensure its safety. Therefore, the effect of high-temperature cooling of the motor needs to be tested. The existing testing methods need to select different testing methods according to the test requirements, and the scope of application is small. Therefore, in order to solve the above problems, an intelligent cooling system for measuring high-temperature of motors based on new energy is proposed. Utility Model Content

[0004] The purpose of the utility model is to provide a medium and high temperature intelligent cooling system for measuring motors based on new energy sources to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above purpose, the utility model provides the following technical solutions: a medium and high temperature intelligent cooling system for measuring motors based on new energy, comprising:

[0006] A plate heat exchanger, wherein the plate heat exchanger is connected with an inlet and an outlet for water flow, and the plate heat exchanger is provided with a filter switch assembly;

[0007] A circulating water tank, which is arranged below the plate heat exchanger and is used for storing and supplying liquid;

[0008] An over-limit protection component is arranged between the plate heat exchanger and the circulating water tank and on the side of the circulating water tank away from the plate heat exchanger.

[0009] Preferably, the over-limit protection component comprises:

[0010] A flow protection component, which is arranged on the side of the circulating water tank and is used for controlling and protecting the flow in the circulating water tank;

[0011] A temperature protection component, which is arranged on the side of the circulating water tank and above the flow protection component, and is used to adjust and protect the temperature of the liquid in the circulating water tank;

[0012] A pressure protection component is arranged on one side of the temperature protection component, and is used for regulating liquid flow.

[0013] Preferably, the filter switch assembly comprises:

[0014] A filter, the filter is fixedly arranged between the plate heat exchanger and the inlet, and the filter is used to clean the cooling water before it enters the filter;

[0015] A flow switch is fixedly arranged between the plate heat exchanger and the outlet, and is used for controlling the outflow of liquid.

[0016] Preferably, the flow protection component includes:

[0017] A flow sensor is installed on the side of the circulating water tank away from the plate heat exchanger. A circulating pump for controlling the liquid flow by changing the rotation speed is arranged between the flow sensor and the circulating water tank.

[0018] Preferably, the temperature protection component comprises:

[0019] A first temperature sensor, the temperature sensor is fixedly arranged on the outer wall of the circulating water tank, and the first temperature sensor is used to detect the temperature of the liquid in the circulating water tank in real time;

[0020] A heater is fixedly arranged on the outer wall of the circulating water tank and is located below the temperature sensor. The heater is used to adjust the temperature of the liquid in the circulating water tank.

[0021] Preferably, the pressure protection assembly comprises:

[0022] The second pressure sensor is fixedly arranged on one side of the circulating water tank, the first pressure sensor is arranged above the second pressure sensor, and the second temperature sensor is arranged on the side of the first pressure sensor.

[0023] Preferably, a liquid level switch is fixedly provided on the side of the circulating water tank away from the heater, a liquid filling port is fixedly provided on the top of the circulating water tank, and an internal circulation water pump is fixedly provided between the plate heat exchanger and the circulating water tank.

[0024] Technical effects and advantages of the utility model:

[0025] The utility model can meet the testing requirements under various working conditions by setting up a high-temperature intelligent cooling system based on new energy motor test. The temperature control accuracy of the system can reach ±0.1℃, the flow control accuracy can reach ±0.1L / min, and the pressure control accuracy can reach ±2KPa. The system adopts variable frequency control mode to achieve energy saving, so that it can adapt to various testing needs, with a wide range of applications and strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1This is a diagram of an intelligent cooling system for measuring medium and high temperatures of electric motors based on new energy sources according to the utility model.

[0027] In the figure: 1. Plate heat exchanger; 2. Filter; 3. Flow switch; 4. Liquid filling port; 5. First temperature sensor; 6. First pressure sensor; 7. Second temperature sensor; 8. Internal circulation water pump; 9. Liquid level switch; 10. Circulating water tank; 11. Heater; 12. Circulating pump; 13. Flow sensor; 14. Second pressure sensor. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] The utility model provides Figure 1 The illustrated embodiment shows a medium- and high-temperature intelligent cooling system for measuring motors based on new energy, comprising a plate heat exchanger 1, a circulating water tank 10 and an over-limit protection component. A liquid level switch 9 is fixedly arranged on the side of the circulating water tank 10 away from the heater 11, a liquid filling port 4 is fixedly arranged on the top of the circulating water tank 10, an internal circulation water pump 8 is fixedly arranged between the plate heat exchanger 1 and the circulating water tank 10, an inlet and an outlet for water flow are connected to the plate heat exchanger 1, a filter switch component is arranged on the plate heat exchanger 1, the circulating water tank 10 is arranged below the plate heat exchanger 1, the circulating water tank 10 is used for storing and supplying liquid, and the over-limit protection component is arranged between the plate heat exchanger 1 and the circulating water tank 10. The inlet and outlet of the plate heat exchanger 1 are divided into port A and port B in the figure. The cooling water of 7-15℃ in the plant enters port A, and the cooling water flows out from port B after passing through the plate heat exchanger 1. The whole system is controlled by connecting to an external PLC controller, and the PLC controller is electrically connected to the external wires. The filter switch assembly includes a filter 2 and a flow switch 3. The filter 2 is fixedly arranged between the plate heat exchanger 1 and the inlet. The filter is used to clean the cooling water before it enters the filter 2. The flow switch 3 is fixedly arranged between the plate heat exchanger 1 and the outlet. The flow switch 3 is used to control the liquid water outlet.

[0030] Specifically, the over-limit protection component includes a flow protection component, a temperature protection component and a pressure protection component. The flow protection component is arranged on the side of the circulating water tank 10, and the flow protection component is used for controlling and protecting the flow in the circulating water tank 10. The temperature protection component is arranged on the side of the circulating water tank 10 and is located above the flow protection component. The temperature protection component is used for adjusting and protecting the temperature of the liquid in the circulating water tank 10. The pressure protection component is arranged on one side of the temperature protection component, and the pressure protection component is used for adjusting the liquid flow.

[0031] Further, the flow protection component includes a flow sensor 13, which is installed on the side of the circulating water tank 10 away from the plate heat exchanger 1. A circulating pump 12 for controlling the liquid flow by changing the speed is arranged between the flow sensor 13 and the circulating water tank 10. The flow sensor 13 is installed between the circulating pump 12 and the second pressure sensor 14. The flow sensor 13 can monitor the liquid flow circulating in the circulating water tank 10 in real time, so that the liquid flow situation can be fed back to the PLC controller, so that the PLC controller can control the speed of the circulating pump 12 through PID, thereby realizing the adjustment of the flow;

[0032] Furthermore, the temperature protection component includes a first temperature sensor 5 and a heater 11. The first temperature sensor 5 is fixedly arranged on the outer wall of the circulating water tank 10. The first temperature sensor 5 is used to detect the temperature of the liquid in the circulating water tank 10 in real time. The heater 11 is fixedly arranged on the outer wall of the circulating water tank 10 and is located below the first temperature sensor 5. The heater 11 acts on the adjustment of the temperature of the liquid in the circulating water tank 10. The heater 11 extends into the circulating water tank 10. The first temperature sensor 5 and the heater 11 are electrically connected. The temperature of the liquid in the circulating water tank 10 can be monitored in real time through the first temperature sensor 5, so that when the temperature in the circulating water tank 10 is too low, the liquid in the circulating water tank 10 can be heated by the heater 11.

[0033] Finally, the pressure protection component includes a second pressure sensor 14, which is fixedly arranged on one side of the circulating water tank 10, a first pressure sensor 6 is arranged above the second pressure sensor 14, and a second temperature sensor 7 is arranged on the side of the first pressure sensor 6. The second pressure sensor 14 and the first pressure sensor 6 are both arranged on one side of the circulating water tank 10, and the second pressure sensor 14 is electrically connected to the circulating pump 12. In the pressure control mode, the pressure of the first pressure sensor 6 can be accurately controlled by adjusting the speed of the circulating pump 12. In summary, the entire system has phase sequence, phase loss protection, water pump thermal overload protection, liquid tank low liquid level early warning alarm structure, spoiler flow, pressure, and temperature over-limit protection and independent over-temperature protection functions, so that the temperature control accuracy of the system can reach ±0.1°C, the flow control accuracy can reach ±0.1 / min, and the pressure control accuracy can reach ±2KPa. Therefore, the system adopts the variable frequency control mode to achieve energy-saving effect, which is suitable for testing requirements under various working conditions.

[0034] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A high temperature intelligent cooling system for motors based on new energy, characterized in that: include: A plate heat exchanger (1), the plate heat exchanger (1) being connected with an inlet and an outlet for water flow, and the plate heat exchanger (1) being provided with a filter switch assembly; A circulating water tank (10), the circulating water tank (10) being arranged below the plate heat exchanger (1), and the circulating water tank (10) being used for storing and supplying liquid; An over-limit protection component is arranged between the plate heat exchanger (1) and the circulating water tank (10) and on a side of the circulating water tank (10) away from the plate heat exchanger (1).

2. According to claim 1, a new energy-based high temperature intelligent cooling system for motors is characterized in that: The over-limit protection component comprises: A flow protection component, the flow protection component being arranged on a side of the circulating water tank (10), and being used for controlling and protecting the flow in the circulating water tank (10); A temperature protection component, the temperature protection component is arranged on the side of the circulating water tank (10) and is located above the flow protection component, and the temperature protection component is used to adjust and protect the temperature of the liquid in the circulating water tank (10); A pressure protection component is arranged on one side of the temperature protection component, and is used for regulating liquid flow.

3. According to claim 1, a new energy-based medium and high temperature intelligent cooling system for motors is characterized in that: The filter switch assembly comprises: A filter (2), the filter (2) being fixedly arranged between the plate heat exchanger (1) and the inlet, and being used for cleaning cooling water before it enters the filter (2); A flow switch (3), wherein the flow switch (3) is fixedly arranged between the plate heat exchanger (1) and the outlet, and the flow switch (3) is used for controlling the outflow of liquid.

4. According to claim 2, a new energy-based medium and high temperature intelligent cooling system for motors is characterized in that: The flow protection component comprises: A flow sensor (13) is installed on a side of a circulating water tank (10) away from the plate heat exchanger (1), and a circulating pump (12) for controlling the flow of liquid by changing the rotation speed is arranged between the flow sensor (13) and the circulating water tank (10).

5. According to claim 2, a new energy-based medium and high temperature intelligent cooling system for motors is characterized in that: The temperature protection component comprises: A first temperature sensor (5), the temperature sensor (5) being fixedly arranged on an outer wall of the circulating water tank (10), the first temperature sensor (5) being used to detect the temperature of the liquid in the circulating water tank (10) in real time; A heater (11), wherein the heater (11) is fixedly arranged on the outer wall of the circulating water tank (10) and is located below the temperature sensor (5), and the heater (11) acts to adjust the temperature of the liquid in the circulating water tank (10).

6. According to claim 2, a new energy-based medium and high temperature intelligent cooling system for motors is characterized in that: The pressure protection assembly comprises: A second pressure sensor (14), the second pressure sensor (14) is fixedly arranged on one side of the circulating water tank (10), a first pressure sensor (6) is arranged above the second pressure sensor (14), and a second temperature sensor (7) is arranged on the side of the first pressure sensor (6).

7. According to claim 1, a new energy-based medium and high temperature intelligent cooling system for electric motors is characterized in that: A liquid level switch (9) is fixedly provided on the side of the circulating water tank (10) facing away from the heater (11), a liquid filling port (4) is fixedly provided on the top of the circulating water tank (10), and an internal circulation water pump (8) is fixedly provided between the plate heat exchanger (1) and the circulating water tank (10).

Images