Electric air compressor, pneumatic braking system and vehicle

Abstract

The application discloses an electric air compressor, a pneumatic brake system and a vehicle, relates to the technical field of compressors, and a first condensate water circulating device is attached to a moving disc in the electric air compressor, and a second condensate water circulating device is attached to a static disc in the electric air compressor; wherein the condensate water in the first condensate water circulating device and the second condensate water circulating device is from a condenser device, the condenser device is connected with an air outlet of the electric air compressor, and is used for cooling the gas at the air outlet of the electric air compressor to form condensate water. The application improves the use effect of the electric air compressor.

Description

Technical Field

[0001] This application relates to the field of compressor technology, and more particularly to an electric air compressor, a pneumatic braking system, and a vehicle. Background Technology

[0002] With the increasing use of electric air compressors in various fields, users have also placed higher demands on the design of electric air compressors.

[0003] Traditional electric air compressors are designed to compress air using a moving disc and a stationary disc. This design has certain drawbacks because the moving and stationary discs are sensitive to temperature. They can deform due to heat, affecting normal compression. In other words, this power supply and control method can lead to poor performance of the electric air compressor due to the impact of heat-induced deformation of the moving and stationary discs on normal compression. Utility Model Content

[0004] The main objective of this application is to provide an electric air compressor, a pneumatic braking system, and a vehicle, which aims to solve the technical problem of poor performance of electric air compressors.

[0005] To achieve the above objectives, this application provides an electric air compressor, wherein a first condensate circulation device is attached to a moving plate in the electric air compressor, and a second condensate circulation device is attached to a stationary plate in the electric air compressor.

[0006] In this device, the condensate in both the first and second condensate circulation devices comes from a condenser device. The condenser device is connected to the outlet of the electric air compressor and is used to cool the gas at the outlet of the electric air compressor to form the condensate.

[0007] In one embodiment, the first condensate circulation device includes a first condensate circulation pipe attached to the moving plate, and the outlet and inlet of the first condensate circulation pipe are both connected to the condenser device.

[0008] The second condensate circulation device includes a second condensate circulation pipe attached to the moving plate, and the outlet and inlet of the second condensate circulation pipe are both connected to the condenser device.

[0009] In one embodiment, the inlet of the first condensate circulation pipe is connected to the condenser device, the outlet of the first condensate circulation pipe is connected to the inlet of the second condensate circulation pipe, and the outlet of the second condensate circulation pipe is connected to the condenser device.

[0010] In one embodiment, the electric air compressor includes:

[0011] A control chip unit is disposed at the chip placement location of the electric air compressor;

[0012] An environmental acquisition sensor is installed at the air inlet of the electric air compressor and is connected to the control chip unit.

[0013] A fan is positioned relative to the moving plate or the stationary plate, and the fan is connected to the control chip unit.

[0014] In one embodiment, the control chip unit includes:

[0015] A control chip, wherein the acquisition terminal of the control chip is connected to the environmental acquisition sensor;

[0016] A cooling selector, wherein the input terminal of the cooling selector is connected to the power supply, the control terminal of the cooling selector is connected to the control terminal of the control chip, the first output terminal of the cooling selector is connected to the fan, and the second output terminal of the cooling selector is connected to the condenser device.

[0017] In addition, to achieve the above objectives, this application also provides a pneumatic braking system, which includes the above-mentioned electric air compressor, condenser device and pneumatic processing module;

[0018] The air inlet of the electric air compressor is connected to the first end of the air pressure processing module, the air outlet of the electric air compressor is connected to the inlet of the condenser device, the air outlet of the condenser device is connected to the second end of the air pressure processing module, the water outlet of the condenser device is connected to the first condensate circulation device and the second condensate circulation device in the electric air compressor, and the third end of the air pressure processing module is connected to the air delivery pipe.

[0019] In one embodiment, the condenser device includes:

[0020] The condenser has its inlet connected to the outlet of the electric air compressor, its gas outlet connected to the second end of the air pressure processing module, and its control end connected to the cooling selector in the electric air compressor.

[0021] A condensate control unit is provided, wherein the inlet of the condensate control unit is connected to the outlet of the condenser, and the outlet of the condensate control unit is connected to the first condensate circulation device and the second condensate circulation device.

[0022] In one embodiment, the condensate control unit includes:

[0023] An oil-water collector includes a front chamber, an oil-water filtration device, and a rear chamber. The inlet of the front chamber is connected to the outlet of the condenser, the outlet of the first condensate circulation device, and the outlet of the second condensate circulation device. The oil-water filtration device is disposed between the front chamber and the rear chamber.

[0024] A water pump, the inlet of which is connected to the outlet of the rear chamber, and the outlet of which is connected to the inlet of the first condensate circulation device and the inlet of the second condensate circulation device.

[0025] In one embodiment, the air pressure processing module includes:

[0026] An air filter, which is connected to the air inlet of the electric air compressor;

[0027] A dryer, the inlet of which is connected to the gas outlet of the condenser in the condenser assembly;

[0028] An air storage cylinder, the inlet of which is connected to the outlet of the dryer, and the outlet of which is connected to the air supply pipe.

[0029] In addition, to achieve the above objectives, this application also provides a vehicle that includes the aforementioned air pressure braking system.

[0030] This application provides an electric air compressor. A first condensate circulation device is attached to the moving plate of the electric air compressor, and a second condensate circulation device is attached to the stationary plate. The condensate in both the first and second condensate circulation devices originates from a condenser device. The condenser device is connected to the outlet of the electric air compressor and is used to cool the gas at the outlet to form condensate. This electric air compressor, by attaching the first condensate circulation device to the moving plate and the second condensate circulation device to the stationary plate, and simultaneously using the condenser device to cool the gas at the outlet (i.e., using its own condensate to cool itself), avoids the phenomenon of thermal deformation of the moving and stationary plates affecting normal compression. In other words, by using its own condensate to cool the moving and stationary plates, the operating efficiency of the electric air compressor is improved. Attached Figure Description

[0031] Figure 1 This is a schematic diagram of the frame of the first embodiment of the electric air compressor of this application;

[0032] Figure 2 This is a schematic diagram of the frame of the second embodiment of the electric air compressor of this application;

[0033] Figure 3 This is a schematic diagram of the framework of the third embodiment of the electric air compressor of this application;

[0034] Figure 4 This is a schematic diagram of the framework of the first embodiment of the pneumatic braking system of this application;

[0035] Figure 5 This is a schematic diagram of the framework of the second embodiment of the pneumatic braking system of this application;

[0036] Figure 6 This is a schematic diagram of the framework of the third embodiment of the pneumatic braking system of this application.

[0037] The realization of the purpose, functional features and advantages of this application will be further explained in conjunction with the embodiments and with reference to the accompanying drawings.

[0038] Explanation of icon numbers:

[0039] 100. Electric air compressor; 110. Moving plate; 120. Stationary plate; 111. First condensate circulation device; 121. Second condensate circulation device; 200. Condenser device; VCC, power supply; 10. Environmental acquisition sensor; 20. Fan; 31. Control chip; 32. Cooling selector; 130. Air outlet of electric air compressor; 140. Air inlet of electric air compressor; 300. Air pressure processing module; 400. Air-consuming components; 310. Air filter; 320. Dryer; 330. Air tank; 210. Condenser; 220. Oil-water collector; 230. Water pump; 221. Front chamber; 222. Oil-water filter device; 223. Rear chamber. Detailed Implementation

[0040] It should be understood that the specific embodiments described herein are merely illustrative of this application and are not intended to limit this application.

[0041] To better understand the technical solution of this application, a detailed description will be provided below in conjunction with the accompanying drawings and specific implementation methods.

[0042] With the increasing prevalence of electric air compressors in various fields, scroll electric air compressors, for example, offer advantages such as light weight, maintenance-free operation, low vibration and noise during operation, and suitability for high-altitude areas. However, scroll electric air compressors have not been widely used in the pneumatic braking systems of new energy vehicles. The main reason is that the moving and stationary discs of scroll air compressors are quite sensitive to temperature. After prolonged operation, the moving and stationary discs are prone to heat deformation, leading to compressor jamming and failure. A common solution to this problem is to directly replace the materials of the moving and stationary discs to improve their high-temperature resistance and prevent heat deformation. However, because the design and material selection of the moving and stationary discs are interdependent, changing their materials would require a complete redesign, increasing the overall design cost of the electric air compressor.

[0043] Therefore, based on the above-mentioned shortcomings of electric air compressors, the electric air compressor of this application is proposed. The main solution of the embodiments of this application is: by attaching a first condensate circulation device to the moving plate of the electric air compressor and a second condensate circulation device to the stationary plate of the electric air compressor, and at the same time using a condenser device to cool the gas at the outlet of the electric air compressor to form condensate (i.e., using the condensate formed by itself to cool itself), the phenomenon of the moving plate and stationary plate of the electric air compressor being deformed by heat and affecting normal compression can be avoided. That is, by using the condensate formed by itself to cool the moving plate and stationary plate, the performance of the electric air compressor is improved.

[0044] Based on this, the present application provides an electric air compressor, referring to... Figure 1 , Figure 1 This is a schematic diagram of the frame of the first embodiment of the electric air compressor of this application.

[0045] Reference Figure 1 This application provides an electric air compressor 100, wherein a first condensate circulation device 111 is attached to the moving plate 110 of the electric air compressor 100, and a second condensate circulation device 121 is attached to the stationary plate 120 of the electric air compressor 100.

[0046] The condensate in the first condensate circulation device 111 and the second condensate circulation device 121 both come from the condenser device 200. The condenser device 200 is connected to the outlet 130 of the electric air compressor 100 and is used to cool the gas at the outlet 130 of the electric air compressor 100 to form condensate.

[0047] For example, to address the issue of heat-induced deformation of the moving and stationary discs of electric air compressors, a fan can be added to the electric air compressor. When the compressor is running, a fan blows air onto the compressor, especially the moving and stationary discs, to achieve air cooling. However, this solution is problematic in hot summers when high ambient temperatures often prevent effective cooling of the scroll compressor. Furthermore, electric air compressors are highly sensitive to external environmental conditions. Vehicle-mounted electric air compressors are typically installed on the car chassis and exposed to the elements. When dust accumulates on the compressor surface, it creates an insulating effect, causing a rapid increase in internal temperature. This can lead to the moving or stationary discs still expanding due to heat, resulting in jamming and failure.

[0048] In this embodiment, by attaching a first condensate circulation device 111 to the moving plate 110 of the electric air compressor 100 and a second condensate circulation device 121 to the stationary plate 120 of the electric air compressor 100, liquid cooling is achieved for the moving plate 110 and stationary plate 120 of the electric air compressor 100 based on the two condensate circulation devices. This eliminates the unreliability of the original air-cooling solution and significantly reduces the limitations of the original electric air compressor 100 on vehicle placement (the air-cooling solution requires placement in a location where the vehicle is not easily contaminated by dust, and the electric air compressor 100 needs to be cleaned regularly). Simultaneously, the condenser device 200 integrated into the electric air compressor 100 utilizes the high-temperature, high-humidity compressed gas from the outlet 130 of the electric air compressor 100 to obtain the required condensate after cooling. This condensate is then used to liquid cool the moving plate 110 and stationary plate 120 of the electric air compressor 100, ensuring efficient utilization of its resources. It is worth noting that the condenser device 200 can work synchronously with the electric air compressor 100, that is, a virtuous cycle is formed when the electric air compressor 100 is working, which plays a good role in cooling the stationary plate 120 and the moving plate 110 of the electric air compressor 100, so as to ensure the performance of the electric air compressor 100.

[0049] In one embodiment, the above Figure 1The text only shows that the electric air compressor 100 includes a stationary disc 120 and a moving disc 110, with the first condensate circulation device 111 attached to the moving disc 110 and the second condensate circulation device 121 attached to the stationary disc 120, but does not show the structural relationship of the electric air compressor 100. It is worth noting that the structural relationship of the electric air compressor 100 can be consistent with that of a scroll electric air compressor. In this case, the first condensate circulation device 111 and the second condensate circulation device 121 can be attached to the side not undergoing other compression, to avoid affecting the compression effect of other components and to prevent high-pressure gas from damaging the two condensate circulation devices. Taking a scroll electric air compressor as an example, the core structure of a scroll electric air compressor consists of a moving scroll disc (moving disc 110), a stationary scroll disc (stationary disc 120), an eccentric shaft, an anti-rotation mechanism, a motor, a housing, and auxiliary components. These components work together precisely to achieve gas compression and discharge. The components include: a stationary scroll plate fixed to the housing, whose scroll shape meshes with the moving scroll plate to form a closed crescent-shaped compression chamber; a moving scroll plate driven by an eccentric shaft revolving around the center of the stationary scroll plate, with a 180° phase difference in its scroll shape design causing the compression chamber volume to gradually decrease; an eccentric shaft connecting the motor and the moving scroll plate, driving the moving scroll plate to revolve through its eccentric design to achieve the compression process; a motor typically an electric motor directly driving the eccentric shaft to provide the power required for compression; an anti-rotation mechanism using a pin-type or cross-slip ring structure to limit the rotation of the moving scroll plate, ensuring it only revolves and maintaining the sealing of the compression chamber; a housing supporting the internal components; seals including shaft seals and end face seals to prevent gas leakage and ensure compression efficiency; and auxiliary components including an intake filter, exhaust valve and check valve, temperature control element, and safety valve. The intake filter filters impurities in the intake air, protecting the compression chamber. Exhaust valve and check valve: Control unidirectional gas flow and prevent backflow. Temperature control element: Monitors temperature and triggers power-off protection when overheating occurs. Safety valve: Automatically relieves pressure when it is too high, ensuring equipment safety. The connection relationship and working principle of the scroll electric air compressor are as follows: motor → eccentric shaft → moving scroll plate, and the revolution of the moving scroll plate is realized through mechanical transmission. The gas compression process is as follows: During the intake stage, the gas enters the intake chamber around the stationary scroll plate through the intake filter; during the compression stage, the revolution of the moving scroll plate reduces the volume of the compression chamber, and the gas is gradually compressed; during the exhaust stage, the compressed gas is discharged through the axial hole in the center of the stationary scroll plate. The above is only an example of the structure and working principle of a scroll electric air compressor. Of course, other components can also be used. Furthermore, by attaching the first condensate circulation device 111 to the moving plate 110 and the second condensate circulation device 121 to the stationary plate 120, the cooling effect of the stationary plate 120 and the moving plate 110 of the scroll electric air compressor can be achieved, so as to ensure the effect of the electric air compressor 100.

[0050] In this embodiment, an electric air compressor 100 is provided. A first condensate circulation device 111 is attached to the moving plate 110 of the electric air compressor 100, and a second condensate circulation device 121 is attached to the stationary plate 120 of the electric air compressor 100. The condensate in both the first and second condensate circulation devices 111 and 121 originates from a condenser device 200. The condenser device 200 is connected to the outlet 130 of the electric air compressor 100 and is used to cool the gas at the outlet 130 of the electric air compressor 100 to form condensate. This electric air compressor 100, through electric air compression... The first condensate circulation device 111 is attached to the moving plate 110 of the electric air compressor 100, and the second condensate circulation device 121 is attached to the stationary plate 120 of the electric air compressor 100. At the same time, the condenser device 200 is used to cool the gas at the outlet 130 of the electric air compressor 100 to form condensate (that is, to use the condensate formed by itself to cool itself). This can avoid the phenomenon that the moving plate 110 and stationary plate 120 in the electric air compressor 100 are deformed by heat, which affects the normal compression. That is, by using the condensate formed by itself to cool the moving plate 110 and stationary plate 120, the performance of the electric air compressor 100 is improved.

[0051] Furthermore, based on the first embodiment of this application described above, a second embodiment of the electric air compressor of this application is proposed, wherein the first condensate circulation device 111 includes a first condensate circulation pipe attached to the moving plate 110, and the outlet and inlet of the first condensate circulation pipe are both connected to the condenser device 200.

[0052] The second condensate circulation device 121 includes a second condensate circulation pipe attached to the moving plate 120, and the outlet and inlet of the second condensate circulation pipe are both connected to the condenser device 200.

[0053] Furthermore, refer to Figure 2 , Figure 2 This is a schematic diagram of the framework of the second embodiment of the electric air compressor of this application. The inlet of the first condensate circulation pipe is connected to the condenser device 200, the outlet of the first condensate circulation pipe is connected to the inlet of the second condensate circulation pipe, and the outlet of the second condensate circulation pipe is connected to the condenser device 200.

[0054] In this embodiment, the first condensate circulation device 111 includes a first condensate circulation pipe attached to the moving plate 110. The condensate in the first condensate circulation pipe originates from the condenser device 200. The condenser device 200 cools the gas from the outlet 130 of the electric air compressor 100 to form condensate, which can then flow through the first condensate circulation pipe to reduce the temperature of the moving plate 110. The second condensate circulation device 121 includes a second condensate circulation pipe attached to the stationary plate 120. The condensate in the second condensate circulation pipe originates from the condenser device 200. The condenser device 200 cools the gas from the outlet 130 of the electric air compressor 100 to form condensate, which can then flow through the second condensate circulation pipe to reduce the temperature of the stationary plate 120. Because at this time, the gas at the outlet 130 of the electric air compressor 100 is cooled by the condenser device 200 to form condensate, which cools the moving plate 110 and the stationary plate 120 by liquid cooling. Therefore, the operation of the moving plate 110 and the stationary plate 120 can be stabilized to avoid the moving plate 110 and the stationary plate 120 from being deformed by heat, thereby ensuring the working effect of the entire electric air compressor 100. Another point is that the first condensate circulation device 111 is attached to the moving plate 110 and the second condensate circulation device 121 is attached to the stationary plate 120. Therefore, the external dust layer will not affect the cooling effect of the moving plate 110 and the stationary plate 120. If the external dust layer forms a temperature protection layer for the moving plate 110 and the stationary plate 120, the temperature protection layer can also ensure the effective use of the low-temperature condensate in the second condensate circulation pipe and the first condensate circulation pipe. That is, the low temperature of the condensate will not be wasted. The low temperature of the condensate can be used entirely to cool the moving plate 110 and the stationary plate 120, and will not be lost in the air, so as to ensure the effect of liquid cooling of the moving plate 110 and the stationary plate 120.

[0055] In one embodiment, the inlet of the first condensate circulation pipe is connected to the condenser device 200, the outlet of the first condensate circulation pipe is connected to the inlet of the second condensate circulation pipe, and the outlet of the second condensate circulation pipe is connected to the condenser device 200. That is, the two condensate circulation devices work together to cool down the device. This reduces the number of pipe joints used and allows for simultaneous cooling of the moving plate 110 and the stationary plate 120 when the electric air compressor 100 is working. Of course, the inlet and outlet of the first condensate circulation pipe and the inlet and outlet of the second condensate circulation pipe can be connected to the condenser device 200 respectively, that is, the two condensate circulation devices are used for cooling separately. At this time, the cooling effect can be guaranteed. For example, an electric valve can be connected between the inlet of the first condensate circulation pipe and the condenser device 200, and an electric valve can be connected between the inlet of the second condensate circulation pipe and the condenser device 200. The temperature values ​​of the moving plate 110 and the stationary plate 120 can be collected in real time, and the opening of the electric valve can be controlled based on the temperature value to cool the moving plate 110 and the stationary plate 120 in a targeted manner. This can ensure the cooling effect of the moving plate 110 and the stationary plate 120, and at the same time, the condensate can be reasonably distributed to ensure the cooling effect of the entire electric air compressor 100.

[0056] In one embodiment, based on the first and / or second embodiments of this application described above, a third embodiment of the electric air compressor of this application is proposed, with reference to... Figure 3 , Figure 3 This is a schematic diagram of the framework of the third embodiment of the electric air compressor of this application. The electric air compressor 100 includes:

[0057] A control chip unit is located at the chip setting position of the electric air compressor 100;

[0058] An environmental acquisition sensor 10 is installed at the air inlet 140 of the electric air compressor 100 and is connected to the control chip unit.

[0059] Fan 20 is positioned relative to moving plate 110 or stationary plate 120, and is connected to the control chip unit.

[0060] Furthermore, the control chip unit includes:

[0061] The control chip 31 has its acquisition terminal connected to the environmental acquisition sensor 10.

[0062] Cooling selector 32 has its input terminal connected to power supply VCC, its control terminal connected to the control terminal of control chip 31, its first output terminal connected to fan 20, and its second output terminal connected to condenser device 200.

[0063] In this embodiment, in addition to using condensate to cool the moving plate 110 and the stationary plate 120, a fan 20 can also be used for cooling. By designing a control chip unit, the fan 20 can be controlled to connect to the power supply VCC under certain conditions to cool the moving plate 110 and the stationary plate 120. The control chip unit is located in the chip setting position of the electric air compressor 100. The chip setting position can be the location of the control chip corresponding to the motor in the electric air compressor 100, or it can be any other location that is not affected by the environment or damaged by external factors. Of course, the control chip unit can also be directly integrated into the controller inside the entire electric air compressor 100 to reduce the use of the controller. At this time, the fan 20 can be controlled in conjunction with the environmental acquisition sensor 10. For example, if the environmental acquisition sensor 10 outputs 111 (the first digit indicates that the temperature is high and air cooling needs to be turned on, the second digit indicates that the temperature on the moving plate 110 is high and liquid cooling on the moving plate 110 needs to be turned on, and the third digit indicates that the temperature on the stationary plate 120 is high and liquid cooling on the stationary plate 120 needs to be turned on), the judgment of 01 is based on comparing the temperature with the preset temperature of each position. If it is greater than the preset temperature, output 1, otherwise output 0. Then the fan 20 can be controlled to connect to the power supply VCC. That is, at this time, the input terminal of the cooling selector 32 is controlled by the control chip 31 to connect to the first output terminal of the cooling selector 32. At the same time, condensate is used to cool the moving plate 110 and the stationary plate 120. That is, at this time, the input terminal of the cooling selector 32 is controlled by the control chip 31 to connect to the second output terminal of the cooling selector 32. In other words, the electrical components in the condenser device 200 are connected to the power supply VCC to work. Of course, the environmental sensor 10 can be a temperature sensor or a concentration sensor. The concentration sensor collects the current concentration of dust in the environment. When the dust concentration is too high (a certain concentration threshold), the fan 20 is controlled to connect to the power supply VCC. The fan 20 blows away the dust, ensuring the cleanliness of the electric air compressor 100 and preventing the continuous accumulation of dust from affecting the compression effect of the electric air compressor 100. It is worth noting that the environmental sensor 10 is located at the air inlet 140 of the electric air compressor 100. Environmental sensing can also be performed at other locations; this is not limited here. The relative position of the fan 20 on the moving plate 110 or the stationary plate 120 means that the fan 20 is positioned where it can cool the moving plate 110 and / or the stationary plate 120 without affecting its operation. This is not limited to any specific position.

[0064] Based on the first, second, and / or third embodiments of the electric air compressor described above, a first embodiment of the pneumatic braking system of this application is proposed, with reference to... Figure 4 , Figure 4This is a schematic diagram of the framework of the first embodiment of the pneumatic braking system of this application. The pneumatic braking system includes the electric air compressor 100, the condenser device 200 and the pneumatic processing module 300 described above.

[0065] The electric air compressor 100 has an air inlet 140 connected to the first end of the air pressure processing module 300, an air outlet 130 connected to the inlet of the condenser device 200, an air outlet of the condenser device 200 connected to the second end of the air pressure processing module 300, a water outlet of the condenser device 200 connected to the first condensate circulation device 111 and the second condensate circulation device 121 in the electric air compressor 100, and a third end of the air pressure processing module 300 connected to the air supply pipe.

[0066] In this embodiment, the above-mentioned pneumatic braking system includes an electric air compressor 100, a condenser device 200, and a pneumatic processing module 300. On one hand, the air outlet 130 of the electric air compressor 100 is connected to the inlet of the condenser device 200. On the other hand, the outlet of the condenser device 200 (the outlets are an air outlet and a water outlet) is connected to the second end of the pneumatic processing module 300 and the first condensate circulation device 111 and the second condensate circulation device 121 in the electric air compressor 100. This allows the first condensate circulation device to be attached to the moving plate 110 in the electric air compressor 100. In device 111, a second condensate circulation device 121 is attached to the stationary disc 120 of the electric air compressor 100. Simultaneously, a condenser device 200 cools the gas at the outlet 130 of the electric air compressor 100 to form condensate (i.e., using its own condensate to cool itself). This prevents the moving disc 110 and stationary disc 120 from deforming due to heat, thus affecting normal compression. In other words, by using its own condensate to cool the moving disc 110 and stationary disc 120, the efficiency of the electric air compressor 100 is improved. On the other hand, the inlet 140 of the electric air compressor 100 is connected to the first end of the air pressure processing module 300, the outlet of the condenser device 200 is connected to the second end of the air pressure processing module 300, and the third end of the air pressure processing module 300 is connected to the air delivery pipe. This allows for the drying of the gas at the outlet 130 of the electric air compressor 100, ensuring normal subsequent use and reducing subsequent processing pressure.

[0067] Based on the first embodiment of this application described above, a second embodiment of the pneumatic braking system of this application is proposed, with reference to... Figure 5 , Figure 5 This is a schematic diagram of the framework of the second embodiment of the pneumatic braking system of this application. The condenser device 200 includes:

[0068] The condenser 210 has its inlet connected to the outlet 130 of the electric air compressor 100, its gas outlet connected to the second end of the air pressure processing module 300, and its control end connected to the cooling selector 32 in the electric air compressor 100.

[0069] The condensate control unit has its inlet connected to the outlet of the condenser 210, and its outlet connected to the first condensate circulation device 111 and the second condensate circulation device 121.

[0070] Furthermore, the condensate control unit includes:

[0071] Oil-water collector 220 includes a front chamber 221, an oil-water filter device 222 and a rear chamber 223. The inlet of the front chamber 221 is connected to the outlet of the condenser 210, the outlet of the first condensate circulation device 111 and the outlet of the second condensate circulation device 121. The oil-water filter device 222 is disposed between the front chamber 221 and the rear chamber 223.

[0072] Water pump 230, the inlet of water pump 230 is connected to the outlet of rear chamber 223, and the outlet of water pump 230 is connected to the inlet of the first condensate circulation device 111 and the inlet of the second condensate circulation device 121 (when the first condensate circulation device 111 and the second condensate circulation device 121 are connected in parallel, they can be directly connected to the inlet of the first condensate circulation device 111 and the inlet of the second condensate circulation device 121; when the first condensate circulation device 111 and the second condensate circulation device 121 are connected in series, the inlet of the first condensate circulation device 111 is connected to the outlet of water pump 230, and the inlet of the second condensate circulation device 121 is connected to the outlet of water pump 230 through the first condensate circulation device 111).

[0073] In this embodiment, the condenser device 200 includes a condenser 210 and a condensate control unit. The condensate control unit is used to control the transmission of condensate generated by the condenser 210 to the first condensate circulation device 111 and the second condensate circulation device 121 to achieve cooling of the moving plate 110 and the stationary plate 120. The condenser 210 can be a commonly used condenser. When the electric air compressor 100 is working, the high-temperature, high-humidity airflow obtained by compression passes through the condenser 210 for cooling (approximately 80% of the moisture in the air can be condensed away by the condenser 210) to obtain condensate and condensed gas. The condensed gas is transmitted to the air pressure processing module 300, and the condensate is transmitted to the condensate control unit. Because the control terminal of the condenser 210 is connected to the cooling selector 32 in the electric air compressor 100, the condenser 210 can be controlled to determine whether it needs to work based on the real-time temperature. Of course, the condenser device 200 can also include two electric valves (one electric valve is connected between the inlet of the first condensate circulation pipe and the condenser device 200, and another electric valve is connected between the inlet of the second condensate circulation pipe and the condenser device 200) to control the opening of the electric valves based on the real-time temperature, so as to ensure targeted operation of the moving plate 110 and the stationary plate 120. That is, at this time, the control terminals of the two electric valves are connected to the control chip 31, and the control chip 31 can control the opening of the two electric valves based on the temperature.

[0074] In one embodiment, the condensate control unit includes an oil-water collector 220, which includes a front chamber 221, an oil-water filter 222, and a rear chamber 223. The inlet of the front chamber 221 is connected to the outlet of the condenser 210, the outlet of the first condensate circulation device 111, and the outlet of the second condensate circulation device 121. The oil-water filter 222 is disposed between the front chamber 221 and the rear chamber 223. The presence of the oil-water filter 222 between the two chambers ensures that the condensate in the rear chamber 223 is free of oil and other impurities. The oil-water filter 222 can be configured to filter oil, water, and impurities using common methods, such as using chemical substances to filter oil, water, and impurities. Meanwhile, a water outlet is provided on the rear chamber 223, and the water outlet is connected to a miniature water pump 230. The water pump 230 draws the condensate in the rear chamber 223 into the condensate circulation device on the moving plate 110 and the stationary plate 120. After circulating through the condensate circulation device, the condensate flows back to the front chamber 221 of the oil-water collector 220 to complete the cooling of the moving plate 110 and the stationary plate 120. It is worth noting that the condensate circulation device can also be set inside the moving plate 110 and the stationary plate 120 to ensure the cooling effect of the moving plate 110 and the stationary plate 120. It is also worth noting that the condensate in the front chamber 221 is normally discharged from the condenser when the dryer 320 in the air pressure treatment module 300 is unloaded. At this point, the condensate control unit can be used to continuously cool the moving plate 110 and stationary plate 120 of the electric air compressor 100 by circulating the condensate generated by the condenser 210 through the first condensate circulation device 111 and the second condensate circulation device 121, thereby ensuring the performance of the electric air compressor 100.

[0075] Based on the first and / or second embodiments of this application described above, a third embodiment of the pneumatic braking system of this application is proposed, with reference to... Figure 6 , Figure 6 This is a schematic diagram of the framework of the third embodiment of the pneumatic braking system of this application. The pneumatic processing module 300 includes:

[0076] Air filter 310 is connected to the air inlet 140 of electric air compressor 100;

[0077] Dryer 320, the inlet of dryer 320 is connected to the gas outlet of condenser 210 in condenser device 200;

[0078] The air storage cylinder 330 has its inlet connected to the outlet of the dryer 320, and its outlet connected to the air supply pipe.

[0079] In this embodiment, the air pressure processing module 300 consists of an air filter 310, a dryer 320, and an air storage tank 330. The gas to be compressed passes through the air filter 310 to remove dust before entering the air storage tank 300 for compression. The compressed, high-temperature, high-humidity airflow is cooled by the condenser 210 (approximately 80% of the moisture in the air is condensed away by the condenser 210), resulting in condensate and condensed gas. The condensed gas is then transferred to the air pressure processing module 300, and the condensate is transferred to the condensate control unit. After further drying in the dryer 320, the condensed gas is stored in the air storage tank 330 for use by air-using components 400, such as steering shafts, which require compressed gas. Because the gas supplied to the dryer 320 at this time has already been cooled by the condenser 210, the processing difficulty of the dryer 320 can be reduced, thus ensuring the service life of the components in the entire pneumatic braking system. At the same time, the condensate is used to cool the moving plate 110 and stationary plate 120 of the electric air compressor 100, which can improve the performance of the electric air compressor 100.

[0080] Based on the above embodiments of the electric air compressor, a vehicle is proposed, which includes the aforementioned pneumatic braking system.

[0081] In this embodiment, the vehicle utilizes a pneumatic braking system. This system connects a first condensate circulation device 111 to the moving disc 110 of the electric air compressor 100 and a second condensate circulation device 121 to the stationary disc 120. Simultaneously, a condenser device 200 cools the gas at the outlet 130 of the electric air compressor 100, forming condensate (i.e., using its own condensate to cool itself). This prevents the moving disc 110 and stationary disc 120 from deforming due to heat, thus improving the compressor's performance. It is worth noting that the pneumatic braking system can also dry the gas at the outlet 140 of the electric air compressor 100, ensuring normal operation and reducing subsequent processing pressure.

[0082] The above are only some embodiments of this application and do not limit the patent scope of this application. All equivalent structural transformations made under the technical concept of this application and using the contents of the specification and drawings of this application, or direct / indirect applications in other related technical fields, are included in the patent protection scope of this application.

Claims

1. An electric air compressor, characterized in that, The first condensate circulation device is attached to the moving plate of the electric air compressor, and the second condensate circulation device is attached to the stationary plate of the electric air compressor. In this device, the condensate in both the first and second condensate circulation devices comes from a condenser device. The condenser device is connected to the outlet of the electric air compressor and is used to cool the gas at the outlet of the electric air compressor to form the condensate.

2. The electric air compressor as described in claim 1, characterized in that, The first condensate circulation device includes a first condensate circulation pipe attached to the moving plate, and the outlet and inlet of the first condensate circulation pipe are both connected to the condenser device. The second condensate circulation device includes a second condensate circulation pipe attached to the moving plate, and the outlet and inlet of the second condensate circulation pipe are both connected to the condenser device.

3. The electric air compressor as described in claim 2, characterized in that, The inlet of the first condensate circulation pipe is connected to the condenser device, the outlet of the first condensate circulation pipe is connected to the inlet of the second condensate circulation pipe, and the outlet of the second condensate circulation pipe is connected to the condenser device.

4. The electric air compressor as described in claim 1, characterized in that, The electric air compressor includes: A control chip unit is disposed at the chip placement location of the electric air compressor; An environmental acquisition sensor is installed at the air inlet of the electric air compressor and is connected to the control chip unit. A fan is positioned relative to the moving plate or the stationary plate, and the fan is connected to the control chip unit.

5. The electric air compressor as described in claim 4, characterized in that, The control chip unit includes: A control chip, wherein the acquisition terminal of the control chip is connected to the environmental acquisition sensor; A cooling selector, wherein the input terminal of the cooling selector is connected to the power supply, the control terminal of the cooling selector is connected to the control terminal of the control chip, the first output terminal of the cooling selector is connected to the fan, and the second output terminal of the cooling selector is connected to the condenser device.

6. A pneumatic braking system, characterized in that, The pneumatic braking system includes the electric air compressor, condenser device, and pneumatic processing module as described in any one of claims 1 to 5; The air inlet of the electric air compressor is connected to the first end of the air pressure processing module, the air outlet of the electric air compressor is connected to the inlet of the condenser device, the air outlet of the condenser device is connected to the second end of the air pressure processing module, the water outlet of the condenser device is connected to the first condensate circulation device and the second condensate circulation device in the electric air compressor, and the third end of the air pressure processing module is connected to the air delivery pipe.

7. The pneumatic braking system as described in claim 6, characterized in that, The condenser assembly includes: The condenser has its inlet connected to the outlet of the electric air compressor, its gas outlet connected to the second end of the air pressure processing module, and its control end connected to the cooling selector in the electric air compressor. A condensate control unit is provided, wherein the inlet of the condensate control unit is connected to the outlet of the condenser, and the outlet of the condensate control unit is connected to the first condensate circulation device and the second condensate circulation device.

8. The pneumatic braking system as described in claim 7, characterized in that, The condensate control unit includes: An oil-water collector includes a front chamber, an oil-water filtration device, and a rear chamber. The inlet of the front chamber is connected to the outlet of the condenser, the outlet of the first condensate circulation device, and the outlet of the second condensate circulation device. The oil-water filtration device is disposed between the front chamber and the rear chamber. A water pump, the inlet of which is connected to the outlet of the rear chamber, and the outlet of which is connected to the inlet of the first condensate circulation device and the inlet of the second condensate circulation device.

9. The pneumatic braking system as described in claim 6, characterized in that, The air pressure processing module includes: An air filter, which is connected to the air inlet of the electric air compressor; A dryer, the inlet of which is connected to the gas outlet of the condenser in the condenser assembly; An air storage cylinder, the inlet of which is connected to the outlet of the dryer, and the outlet of which is connected to the air supply pipe.

10. A vehicle, characterized in that, The vehicle includes the pneumatic braking system according to any one of claims 6 to 9.

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