Air system with cleaning function

Abstract

The utility model discloses an air system with a cleaning function, which comprises an air cleaning system, a heat management module, an air inlet pipe assembly, an air inlet branch pipe, a fan, an air outlet pipe assembly, an air outlet branch pipe, a motor, a generator, an air receiving system and an engine, the other end of the air inlet pipe assembly is connected with an air inlet of the fan, one end of the air outlet pipe assembly is connected with an air outlet of the fan, the other end of the air outlet pipe assembly is connected with air inlets of the motor and the generator through air outlet branch pipes, and the air inlet branch pipes are arranged on the air inlet pipe assembly. According to the utility model, the integrated economic benefit of industrial equipment is improved, the cost of a cooling or heating system is reduced, and in addition, the use range of the motor is expanded in an extreme weather environment.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle air management, and particularly relates to an air system with a cleaning function. Background Art

[0002] Cooling systems in which liquid cooled by a fan flows through the water circuit of a motor, or preheating systems in which liquid preheated by a heater flows through the water circuit of a motor, are commonly found in industrial systems. The purpose is to allow the heat of components that need to be cooled to flow through the radiator core and then be blown into the atmosphere by a fan for refrigeration; or to introduce the water circuit of components that need to be heated into a hot liquid cycle for heating to keep the operating temperature of the components within an appropriate range.

[0003] For motor cooling and heating, liquid media are generally used for circulation. In extremely hot conditions, most water cooling is carried out using a radiator. The radiator is limited by the external environmental temperature. When the temperature around the radiator is close to the upper limit of the motor operating temperature, the radiator fails and cannot cool the liquid in the radiator core by air blowing with a fan. In extremely cold conditions, most motors are heated by introducing hot liquid to flow through the motor water circuit, and the hot liquid also requires a set of pipelines similar to the cooling system to circulate and heat the motor to meet the motor operating temperature and improve the motor use efficiency.

[0004] Sometimes, due to the harsh external environment, the air filter of the engine is affected, and when the external environment is too low, the air filter freezes. When the engine is just started, it causes insufficient air supply to the engine, affecting starting or normal operation. However, when the external environment is too high, the engine cannot effectively dissipate heat, resulting in abnormal operation.

[0005] Gas medium cooling and heating systems only require a set of pipeline systems, and the number of components is much less than that of liquid medium cooling and heating systems, improving the reliability of the whole machine. Moreover, the cooling medium does not need to be purchased, which has great economic benefits. In addition, air management systems are commonly used to blow natural wind towards the motor. When the motor needs to be cooled and the environment is extremely hot at this time, the natural wind cannot take away the heat generated by the motor. On the contrary, it increases the motor heat and power drop. At this time, adding a cooling module can improve the refrigeration effect. When the motor needs to be heated and the environment is extremely cold at this time, the natural wind cannot warm up the motor. On the contrary, it takes away the heat of the motor, increasing the power loss.

[0006] Usually, the fan is connected to the motor through a spline or a key. When the motor needs to be repaired, the fan may fall into the fan housing, possibly damaging the blades; and when there are many filter elements in industrial large equipment, it is very time-consuming and laborious to maintain the filter elements. Content of the Utility Model

[0007] In view of the problems existing in the above-mentioned prior art, the present utility model provides an air system with a cleaning function, which improves the integrated economic benefits of industrial equipment, reduces the cost of the cooling or heating system, and in addition, meets the requirements in extreme weather environments, expands the operating range of motors, so as to solve the problems raised in the above background technology. Specifically, it is an air management system that cools or heats a motor with high-speed air flow to keep its working environment within a suitable temperature range, and a control method that monitors the temperatures of the motor and the generator to control the motor speed and the opening of the cold or hot air, and monitors the air pressure values before and after the filter element, and cleans the filter element through the pulse valve assembly to reduce it to a set value to meet the high-speed operation conditions. The air system has low maintenance costs, is particularly suitable for the whole machine with requirements for cleanliness, reduces the labor cost of maintaining the filter element, adopts a fan load adapter, improves the service life of the motor and the fan, and is an effective way to make full use of the ambient temperature to achieve the purpose of refrigeration and heating.

[0008] To achieve the above object, the technical solution adopted by the present utility model is: an air system with a cleaning function, including: an air cleaning system, a thermal management module, an air inlet pipe assembly, an air inlet branch pipe, a fan, an air outlet pipe assembly, an air outlet branch pipe, a motor, a generator, a wind receiving system, and an engine. The air cleaning system is connected to the air inlet pipe assembly through the thermal management module. The other end of the air inlet pipe assembly is connected to the air inlet of the fan. One end of the air outlet pipe assembly is connected to the air outlet of the fan. The other end of the air outlet pipe assembly is respectively connected to the air inlets of the motor and the generator through the air outlet branch pipes. The air inlet branch pipe is arranged on the air inlet pipe assembly. The air inlet pipe assembly is also respectively connected to the wind receiving system and the engine through the air inlet branch pipes.

[0009] Further, the air cleaning system includes: a filter box, a manifold assembly, a demister; an inlet air pressure gauge and an outlet air pressure gauge. The demister is installed at the air inlet of the filter box. The air inlet of the filter box is connected to the air inlet pipe assembly. Among them, the manifold assembly and the thermal management module are arranged in the air outlet of the filter box. A plurality of primary filters are provided in the filter box. The plurality of primary filters are arranged between the air outlet and the air inlet of the filter box, so that the air passing through the demister must be filtered by the primary filters before reaching the air inlet pipe assembly. The inlet air pressure gauge is installed at the air inlet of the filter box, and the outlet air pressure gauge is installed at the air outlet of the filter box.

[0010] Further, the manifold assembly is arranged between the thermal management module and the primary filter.

[0011] Further, a dust hopper is also provided at the bottom of the filter box for collecting the pollutants dropped by the primary filters, and a dust discharge port is provided below the dust hopper.

[0012] Furthermore, the manifold assembly is composed of several groups of pulse valve assemblies and brackets. The pulse valve assemblies are installed in the air outlet of the filter box through the brackets, and high-pressure pulsed airflows are emitted through the pulse valve assemblies to clean the primary filter.

[0013] Furthermore, the blower is connected to the motor through a blower load adapter, wherein the blower is a centrifugal air blower.

[0014] Furthermore, a rotational speed sensor is provided in the blower load adapter or the motor.

[0015] Furthermore, a flowmeter is also provided, and the flowmeter is installed in the air outlet pipe assembly.

[0016] Furthermore, the air inlet branch pipe is connected to the air filter of the engine.

[0017] The beneficial effects of the present utility model are as follows: by reducing the number of parts, the reliability of the whole machine can be improved and the production cost can be reduced. In addition, by changing the cooling medium from liquid to gas, it is not necessary to purchase antifreeze, thus reducing the maintenance cost. This air system is particularly suitable for places with high environmental requirements, and this system can also be selected when there are no liquid cooling pipelines for the motor and the generator; an air self-cleaning system is provided in the air system, which reduces the maintenance cost of the filter and the amount of maintenance work. Especially in some special working conditions where manual maintenance is not applicable, great advantages are demonstrated; by using the blower load adapter, measures can be taken to extend the service life of the blower motor, and the maintainability of the blower motor and the blower fan is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is the structural schematic diagram of the present utility model Figure 1 ;

[0019] Figure 2 is the structural schematic diagram of the present utility model Figure 2 ;

[0020] In the figure: 1. Motor; 2. Blower load adapter; 3. Blower; 4. Refrigeration module; 5. Heating module; 6. Outlet air pressure gauge; 7. Primary filter; 8. Manifold assembly; 9. Demister; 10. Inlet air pressure gauge; 11. Flowmeter; 12. Outlet air pipe assembly; 13. Outlet air branch pipe; 14. Inlet air pipe assembly; 15. Motor; 16. Generator; 17. Vehicle VCU; 18. Filter box; 19. High-pressure pulsed airflow; 20. Ash hopper; 21. Air filter; 22. Air receiving system; 23. Thermal management module; 24. Engine; 25. Inlet air branch pipe. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] To make the objectives, technical solutions and advantages of the present utility model more clear and understandable, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. However, it should be understood that the specific embodiments described herein are only used to explain the present utility model and are not intended to limit the scope of the present utility model.

[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those of ordinary skill in the technical field to which the present utility model belongs. The terms used in the specification of the present utility model herein are only for the purpose of describing specific embodiments and are not intended to limit the present utility model.

[0023] As Figure 1-2 shown, an air system with a cleaning function includes: an air cleaning system, a thermal management module 23, an air inlet pipe assembly 14, an air inlet branch pipe 25, a fan 3, an air outlet pipe assembly 12, an air outlet branch pipe 13, a motor 15, a generator 16, a wind receiving system 22, and an engine 24. The air cleaning system is connected to the air inlet pipe assembly 14 through the thermal management module 23. The other end of the air inlet pipe assembly 14 is connected to the air inlet of the fan 3. One end of the air outlet pipe assembly 12 is connected to the air outlet of the fan 3. The other end of the air outlet pipe assembly 12 is respectively connected to the air inlets of the motor 15 and the generator 16 through the air outlet branch pipe 13. The air inlet branch pipe 25 is arranged on the air inlet pipe assembly 14. The air inlet pipe assembly 14 is also respectively connected to the wind receiving system 22 and the engine 24 through the air inlet branch pipe 25.

[0024] The air outlet branch pipe 13 provides the ventilation pipelines for the air required by the motor 15 and the air required by the generator 16.

[0025] The wind receiving system 22: refers to the components that need air to cool or heat them, and also refers to the systems that need air, such as the braking system, etc., which are selected according to needs.

[0026] The thermal management module 23 is provided with a refrigeration module 4 and a heating module 5. Under the condition of not affecting the air supply efficiency and not increasing the ventilation resistance, the refrigeration module 4 and the heating module 5 are arranged in the air outlet of the filter box 18 for heating or refrigerating the air filtered by the primary filter 7.

[0027] The refrigeration module 4 can either adopt the extension of the air conditioner condenser pipeline of the vehicle, or adopt an independent refrigeration unit, or a parallel combination of the two modes, aiming to cool the natural wind passing through the condensation pipeline; the heating module 5 can either adopt an independent preheating device, or adopt the preheating of the water pipeline of the engine 24 body, or a parallel combination of the two modes, aiming to heat up the natural wind passing through the heating module 5.

[0028] The refrigeration module 4 is composed of the extension of the air conditioner condenser and an independent refrigeration unit, and its structural form is the pipeline of the Z-type demister 9, which will not generate excessive air resistance; the refrigeration module 4 is composed of an independent preheating device, and its structural form is the pipeline of the Z-type demister 9, which will not generate excessive air resistance.

[0029] The air inlet pipe assembly 14, the air inlet branch pipe 25, the air outlet pipe assembly 12, and the air outlet branch pipe 13 are made of rubber or canvas, have certain flexibility, and can be fastened with clamps, and are leak-proof pipes. In order to facilitate installation, fixed pipes made of stainless steel can also be added and fastened with clamps without leakage, so as to improve the connection tightness and convenience of the air inlet pipe assembly 14, the air inlet branch pipe 25, the air outlet pipe assembly 12, and the air outlet branch pipe 13, and at the same time improve their service life.

[0030] As Figure 1 As shown, the air cleaning system includes: a filter box 18, a manifold assembly 8, and a demister 9; an inlet air pressure gauge and an outlet air pressure gauge. The demister 9 is installed at the air inlet of the filter box 18, and the air inlet of the filter box 18 is connected to the air inlet pipe assembly 14. Among them, the manifold assembly 8 and the thermal management module 23 are arranged in the air outlet of the filter box 18. A plurality of primary filters 7 are provided in the filter box 18, and the plurality of primary filters 7 are arranged between the air outlet and the air inlet of the filter box 18, so that the air passing through the demister 9 must be filtered by the primary filters 7 before reaching the air inlet pipe assembly 14. The inlet air pressure gauge 10 is installed at the air inlet of the filter box 18, and the outlet air pressure gauge 6 is installed at the air outlet of the filter box 18.

[0031] The demister 9 is formed of a polymer material, and the air flow follows an S-shaped or Z-shaped path. The demister 9 is used for condensing the water vapor in the air, filtering large-particle debris, preventing damage to the filter element, and preventing debris from entering the ventilation pipe or the motor 15, which affects the management effect.

[0032] The pressure difference between the inlet air pressure gauge and the outlet air pressure gauge is used to detect the clogging condition of the filter element in the primary filter 7 and determine whether it is necessary to clean the primary filter 7. The filter element in the primary filter 7 is cylindrical, which is convenient for the acoustic shock wave to blow off the debris on the outer shell from the inside of the primary filter 7.

[0033] As Figure 2 As shown, the manifold assembly 8 is arranged between the thermal management module 23 and the primary filter 7.

[0034] As Figure 2 As shown, a dust hopper 20 is further provided at the bottom of the filter box 18 for collecting the pollutants dropped by the primary filter 7, and a dust discharge port is provided below the dust hopper 20.

[0035] The manifold assembly 8 is composed of several groups of pulse valve assemblies and brackets. The pulse valve assemblies are installed in the air outlet of the filter box 18 through the brackets, and high-pressure pulsed air flow 19 is emitted through the pulse valve assemblies to clean the primary filter 7. The pulse valve assemblies include: pulse valves and high-pressure air manifolds. The high-pressure air manifolds are connected to the high-pressure air source through the pulse valves.

[0036] As Figure 1-2 shown, the fan 3 is connected to the motor 1 through the fan load adapter 2. Among them, the fan 3 is a centrifugal blower 3, and the motor 1 is an electric motor 1 or a hydraulic motor 1, as long as it can transmit the rotational speed and torque meeting the requirements of the fan 3; the fan load adapter 2 is installed on the housing of the fan 3. The fan load adapter 2 changes the installation method of the fan. First, the fan 3 is fixed on the fan load adapter 2, and then the motor 1 is fixed on the fan load adapter 2. When the motor 1 or the fan fails, the motor 1 or the fan can be separately removed. Compared with the common installation form where the fan is fixed on the motor 1, the maintenance cost of the motor 1 and the fan is reduced, and the maintainability and economy are improved.

[0037] A rotational speed sensor is provided in the fan load adapter 2 or the motor 1, that is, when the motor 1 is not equipped with a rotational speed sensor, the fan load adapter 2 is equipped with a rotational speed sensor; when the motor 1 is equipped with a rotational speed sensor, the fan 3 adapter does not need to be equipped with a rotational speed sensor.

[0038] As Figure 1 shown, a flow meter 11 is also provided. The flow meter 11 is installed in the air outlet pipe assembly 12 and is used to detect the air volume.

[0039] As Figure 2 shown, the air inlet branch pipe 25 is connected to the air filter 21 of the engine 24.

[0040] The execution controllers on the refrigeration module 4 and the heating module 5 and their signal lines, the temperature sensors on the motor 15 and the generator 16 and their signal lines, the feedback signal line of the inlet air pressure gauge, the feedback signal line of the outlet air pressure gauge, the receiving signal line of the pulse valve assembly, the rotational speed sensor on the fan load adapter 2 or the motor 1 and their signal lines, and the feedback signal line of the flow meter 11 are all connected to the vehicle VCU 17 through the CAN bus and are controlled by the vehicle VCU 17.

[0041] The vehicle VCU 17 judges the opening timing of the pulse valve assembly through the differential pressure feedback value between the inlet air pressure gauge and the outlet air pressure gauge, or controls the high manifold assembly 8 to emit pulsed air flow to clean the cylindrical primary filter 7 by setting the opening period.

[0042] That is, the vehicle VCU17 receives the values of the intake air pressure gauge and the outlet air pressure. When the two pressure values are close, the manifold assembly 8 is not opened. When it is monitored that the difference between the two pressure values reaches the threshold, the vehicle VCU17 transmits an instruction to open the pulse valve assembly. The pulse valve outputs a high-pressure pulsed air flow 19 to blow the dust on the filter surface of the primary filter 7 into the ash hopper 20, and it falls onto the bottom surface during the vehicle's driving process to achieve the self-cleaning function.

[0043] The vehicle VCU17 receives the temperature signals fed back by the motor 15 and the generator 16, and waits for the vehicle VCU17 to confirm the received signals and determine whether they are lower than the preset thresholds; among the preset thresholds: the first cooling limit value < the second cooling limit value < the maximum cooling working temperature, and the minimum heating working temperature < the first heating limit value;

[0044] When the component (motor 15 or generator 16) needs to be cooled, when the temperature fed back by the component is higher than the first cooling limit value, the refrigeration module 4 is turned off, and at this time, the natural wind blown by the fan 3 towards the component; when the temperature fed back by the component is higher than the second cooling limit value, the independent refrigeration unit in the refrigeration module 4 is turned on, and at this time, the first gear cooling wind blown by the fan 3 towards the component; when the temperature fed back by the component is close to the maximum cooling working temperature of the component, the highest gear of the air-conditioning part in the refrigeration module 4 is turned on, and the independent refrigeration unit is turned on in parallel, and at this time, the highest gear cooling wind blown by the fan 3 towards the component;

[0045] When the component (motor 15 or generator 16) needs to be heated, when the temperature fed back by the component is lower than the first heating limit value, the independent heating unit in the heating module 5 is turned on, and at this time, the first gear hot wind blown towards the component; when the temperature fed back by the component is close to the minimum heating working temperature of the component, the highest gear of the air-conditioning part in the heating module 5 is turned on in parallel, and at this time, the highest gear hot wind blown by the fan 3 towards the component.

[0046] When the temperature signal fed back by one of the branches is higher than the preset threshold, the vehicle VCU17 issues a control signal instruction to control the motor 1 to run at high speed, or the vehicle VCU17 issues a control signal instruction to control the heat management module 23 to run at high speed.

[0047] The ambient temperature sensor of the vehicle detects the surrounding environment and feeds it back to the vehicle VCU17. After the vehicle VCU17 makes a judgment, whether it issues a control signal instruction to the heat management module 23 to control its operation to cool and heat the engine 24 or the wind receiving system 22 to ensure normal operation.

[0048] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, or improvements made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An air system with a cleaning function, characterized in that: include: An air cleaning system, a thermal management module, an air inlet duct assembly, an air inlet branch pipe, a fan, an air outlet duct assembly, an air outlet branch pipe, a motor, a generator, a wind receiving system, and an engine. The air cleaning system is connected to the air inlet duct assembly through the thermal management module, the other end of the air inlet duct assembly is connected to the air inlet of the fan, one end of the air outlet duct assembly is connected to the air outlet of the fan, and the other end of the air outlet duct assembly is connected to the air inlet of the motor and the generator through the air outlet branch pipes. The air inlet branch pipe is arranged on the air inlet duct assembly, and the air inlet duct assembly is also connected to the wind receiving system and the engine through the air inlet branch pipes.

2. The air system with cleaning function according to claim 1, characterized in that: The air cleaning system includes: a filter box, a manifold assembly, a defogger; an air inlet pressure gauge and an air outlet pressure gauge, the defogger is installed at the air inlet of the filter box, and the air inlet of the filter box is connected to the air inlet duct assembly, wherein the manifold assembly and the thermal management module are arranged in the air outlet of the filter box, and a plurality of primary filters are arranged in the filter box, and the plurality of primary filters are arranged between the air outlet and the air inlet of the filter box, so that the air passing through the defogger must be filtered by the primary filter before entering the air inlet duct assembly, the air inlet pressure gauge is installed at the air inlet of the filter box, and the air outlet pressure gauge is installed at the air outlet of the filter box.

3. The air system with cleaning function according to claim 2, characterized in that: The manifold assembly is disposed between the thermal management module and the primary filter.

4. The air system with cleaning function according to claim 2, characterized in that: An ash hopper is also provided at the bottom of the filter box for collecting pollutants dropped from the primary filter, and an ash discharge port is provided below the ash hopper.

5. The air system with cleaning function according to claim 2, characterized in that: The manifold assembly is composed of several groups of pulse valve assemblies and brackets. The pulse valve assembly is installed in the air outlet of the filter box through the bracket. The pulse valve assembly emits high-pressure pulse airflow to clean the primary filter.

6. The air system with cleaning function according to claim 1, characterized in that: The fan is connected to the motor via a fan load adapter, wherein the fan is a centrifugal blower.

7. The air system with cleaning function according to claim 6, characterized in that: A rotation speed sensor is provided in the fan load adapter or the motor.

8. The air system with cleaning function according to claim 1, characterized in that: A flow meter is also provided, and the flow meter is installed in the air outlet pipe assembly.

9. The air system with cleaning function according to claim 1, characterized in that: The air inlet branch pipe is connected to the air filter of the engine.

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