Whole vehicle environmental cabin rotating hub pit

Abstract

The utility model discloses a rotating hub pit of a whole vehicle environment cabin, which is mounted in the whole vehicle environment cabin and comprises a pit, a rotating hub device, a rotating shaft and a rotating shaft, and one end of the pit fresh air supply pipe is connected with a total dry fresh air supply pipe of the whole vehicle environment chamber, and the other end of the pit fresh air supply pipe is connected with an air supply outlet formed in the side wall of the pit, so that the pit forms a positive pressure environment relative to the whole vehicle environment chamber. The pit fresh air supply pipe is led out of the total dry fresh air supply pipe of the environmental chamber, the pit fresh air supply pipe is connected to the side wall of the pit to convey dry air at the specified temperature to the pit, a positive-pressure and low-humidity environment is formed in the rotating hub pit by continuously feeding the dry air, air entering the pit from the environmental chamber on the upper portion of the pit is reduced, and the temperature of the rotating hub pit is reduced. Therefore, the influence of high-low-temperature or high-humidity environment in the environment chamber on equipment in the pit is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to test field especially, it is a kind of for whole car environment cabin's rotating hub pit. BACKGROUND

[0002] With the development of automobile industry, to verify the performance and reliability of vehicle under different environmental conditions, the vehicle needs to be tested under various conditions in the environmental cabin during the research and development process, including normal temperature, high temperature and humidity, low temperature and other conditions. In order to simulate the driving state of the vehicle on the road, the environmental cabin is usually equipped with a pit, and a rotating hub dynamometer is installed in the pit. The dynamometer has motors, sensors and other electrical components inside. The vehicle runs on the rotating hub dynamometer, and the environmental cabin provides various simulated natural environments, such as Figure 1 as shown.

[0003] When the environmental cabin simulates severe weather (such as low temperature, snow, freezing rain, etc.), the temperature and humidity of the environment will affect the service life and normal use of the rotating hub dynamometer. For example, when the environmental cabin switches from low temperature condition to high temperature condition, the rotating hub is made of metal material, and its heat capacity is very large. When the air temperature in the environmental cabin rises to high temperature, the inside of the rotating hub motor is still in low temperature state, and the moisture in the air will condense into the motor, causing the motor to malfunction or damage.

[0004] The current solution to this problem is to slowly raise the temperature when switching from low temperature test to high temperature test to minimize the temperature difference between the rotating hub motor and the air. However, slow temperature rise will obviously prolong the test time, affect the test efficiency and increase the test cost. SUMMARY

[0005] In the summary section, a series of simplified concepts are introduced, which are simplifications of existing technology in the field. This will be further explained in the detailed description section. The summary section of the utility model does not mean to limit the key features and necessary technical features of the claimed technical solution, nor does it mean to determine the protection scope of the claimed technical solution.

[0006] The technical problem to be solved by the utility model is to provide a whole car environmental cabin rotating hub pit that can reduce the impact of condition switching, especially high and low temperature condition switching, on the operation of the rotating hub device, and to optimize the operating environment of the rotating hub and prolong its service life.

[0007] To solve the above technical problems, the whole car environmental cabin rotating hub pit provided by the utility model comprises:

[0008] The pit 1 is formed in the bottom wall of the whole car environmental cabin, and the rotating hub device 2 is arranged in the pit 1, and further comprises:

[0009] The pit new air supply pipe 3 is connected with the whole dry new air supply pipe 4 at one end and connected with the air supply outlet 5 arranged on the side wall of the pit 1 at the other end, so that the pit 1 forms a positive pressure environment relative to the whole vehicle environment cabin.

[0010] Preferably, the whole vehicle environment cabin rotary hub pit is further improved, and the pit new air supply pipe 3 is connected with the whole dry new air supply pipe 4 at one end and connected with the air supply outlet 5 arranged on the side wall of the pit 1 at the other end, so that the pit 1 forms a positive pressure environment relative to the whole vehicle environment cabin.

[0011] The pit new air supply pipe 3 is connected with the whole dry new air supply pipe 4 at one end and connected with the air supply outlet 5 arranged on the side wall of the pit 1 at the other end, so that the pit 1 forms a positive pressure environment relative to the whole vehicle environment cabin.

[0012] The pit new air supply pipe 3 is connected with the whole dry new air supply pipe 4 at one end and connected with the air supply outlet 5 arranged on the side wall of the pit 1 at the other end, so that the pit 1 forms a positive pressure environment relative to the whole vehicle environment cabin.

[0013] Preferably, the whole vehicle environment cabin rotary hub pit is further improved, and the pit new air supply pipe 3 is connected with the whole dry new air supply pipe 4 at one end and connected with the air supply outlet 5 arranged on the side wall of the pit 1 at the other end, so that the pit 1 forms a positive pressure environment relative to the whole vehicle environment cabin.

[0014] Preferably, the whole vehicle environment cabin rotary hub pit is further improved, and the pit new air supply pipe 3 is connected with the whole dry new air supply pipe 4 at one end and connected with the air supply outlet 5 arranged on the side wall of the pit 1 at the other end, so that the pit 1 forms a positive pressure environment relative to the whole vehicle environment cabin.

[0015] The pit new air supply pipe 3 is connected with the whole dry new air supply pipe 4 at one end and connected with the air supply outlet 5 arranged on the side wall of the pit 1 at the other end, so that the pit 1 forms a positive pressure environment relative to the whole vehicle environment cabin.

[0016] The pit new air supply pipe 3 is connected with the whole dry new air supply pipe 4 at one end and connected with the air supply outlet 5 arranged on the side wall of the pit 1 at the other end, so that the pit 1 forms a positive pressure environment relative to the whole vehicle environment cabin.

[0017] Preferably, the whole vehicle environment cabin rotary hub pit is further improved, and the pit new air supply pipe 3 is connected with the whole dry new air supply pipe 4 at one end and connected with the air supply outlet 5 arranged on the side wall of the pit 1 at the other end, so that the pit 1 forms a positive pressure environment relative to the whole vehicle environment cabin.

[0018] Preferably, the whole vehicle environment cabin rotary hub pit is further improved, and the pit new air supply pipe 3 is connected with the whole dry new air supply pipe 4 at one end and connected with the air supply outlet 5 arranged on the side wall of the pit 1 at the other end, so that the pit 1 forms a positive pressure environment relative to the whole vehicle environment cabin.

[0019] Preferably, the whole vehicle environment cabin rotary hub pit is further improved, and the pit new air supply pipe 3 is connected with the whole dry new air supply pipe 4 at one end and connected with the air supply outlet 5 arranged on the side wall of the pit 1 at the other end, so that the pit 1 forms a positive pressure environment relative to the whole vehicle environment cabin.

[0020] Preferably, the whole vehicle environment cabin rotary hub pit is further improved, and the pit new air supply pipe 3 is connected with the whole dry new air supply pipe 4 at one end and connected with the air supply outlet 5 arranged on the side wall of the pit 1 at the other end, so that the pit 1 forms a positive pressure environment relative to the whole vehicle environment cabin.

[0021] The pit new air supply pipe 3 is connected with the whole dry new air supply pipe 4 at one end and connected with the air supply outlet 5 arranged on the side wall of the pit 1 at the other end, so that the pit 1 forms a positive pressure environment relative to the whole vehicle environment cabin.

[0022] In the preferred embodiment of the present invention, regulating air valves are respectively added to the pit fresh air supply duct 3 and the environmental chamber total drying fresh air supply duct 4. When the total amount of fresh air changes, the opening of the environmental chamber fresh air supply air valve and the opening of the pit fresh air supply air valve are adjusted to keep the amount of fresh air supplied to the pit unchanged, thereby ensuring a positive pressure environment in the pit.

[0023] In the preferred embodiment of the present invention, fresh air supply pipes, air vents and air holes are arranged around the pit to ensure that fresh air is delivered to every corner of the pit, thereby preventing local dead zones. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The drawings of the present invention are intended to illustrate the general characteristics of the methods, structures and / or materials used in specific exemplary embodiments of the present invention, supplementing the description in the specification. However, the drawings of the present invention are schematic diagrams not drawn to scale and may not accurately reflect the precise structure or performance characteristics of any given embodiment. The drawings of the present invention should not be interpreted as defining or limiting the range of values ​​or properties covered by the exemplary embodiments of the present invention. The present invention is further described in detail below in conjunction with the drawings and specific embodiments:

[0025] Figure 1 This is a schematic diagram of the existing vehicle environmental chamber structure.

[0026] Figure 2 It is a structural schematic diagram of the first embodiment of the present utility model.

[0027] Figure 3 It is a structural schematic diagram of the second embodiment of the present utility model.

[0028] Figure 4 It is a structural schematic diagram of the third embodiment of the present utility model.

[0029] Description of Reference Numerals

[0030] Pit 1

[0031] Hub device 2

[0032] Pit fresh air supply duct 3

[0033] Total dry fresh air supply duct of vehicle environmental chamber 4

[0034] Air supply 5;

[0035] Pit fresh air supply regulating valve 6

[0036] Environmental chamber fresh air supply regulating valve 7

[0037] Environmental chamber fresh air supply duct 8

[0038] Vehicle 9. DETAILED DESCRIPTION

[0039] The other advantages and technical effects of the present application can be fully understood by those skilled in the art from the disclosure of the present application. The present application can be implemented or applied in different specific embodiments, and the details in the present application can be applied based on different viewpoints, and various modifications or changes can be made without departing from the general design idea of the present application. It should be noted that the following embodiments and features in the embodiments can be combined with each other without conflict. The exemplary embodiments of the present application can be implemented in various different forms, and should not be interpreted as being limited to the specific embodiments described herein. It should be understood that the embodiments are provided to make the disclosure of the present application complete and complete, and to fully convey the technical solutions of the exemplary embodiments to those skilled in the art. It should be understood that when an element is referred to as being "connected" or "coupled" to another element, the element can be directly connected or coupled to the other element, or there can be an intermediate element. Different is that when an element is referred to as being "directly connected" or "directly coupled" to another element, there is no intermediate element. In all the drawings, the same reference signs always represent the same elements.

[0040] First embodiment;

[0041] Reference Figure 2 As shown in the figure, the present application provides a whole vehicle environment cabin rotating hub pit, which is installed in a whole vehicle environment cabin, comprising:

[0042] The pit 1 is formed in the bottom wall of the whole vehicle environment cabin, and the rotating hub device 2 is arranged in the pit 1.

[0043] The pit fresh air supply pipe 3 is connected to the whole vehicle environment cabin total dry fresh air supply pipe 4 at one end, and connected to the air supply port 5 arranged on the side wall of the pit 1 at the other end, so that the pit 1 forms a positive pressure environment relative to the whole vehicle environment cabin.

[0044] Optionally, the pit fresh air supply pipe 3 and the whole vehicle environment cabin total dry fresh air supply pipe 4 are air pipes with thermal insulation layers.

[0045] Second embodiment;

[0046] Reference Figure 3 As shown in the figure, the present application provides a whole vehicle environment cabin rotating hub pit, which is installed in a whole vehicle environment cabin, comprising:

[0047] The pit 1 is formed in the bottom wall of the whole vehicle environment cabin, and the rotating hub device 2 is arranged in the pit 1.

[0048] The pit fresh air supply pipe 3 has one end connected to the total dry fresh air supply pipe 4 of the vehicle environmental chamber, and the other end connected to the air supply port 5 arranged on the side wall of the pit 1, so that the pit 1 forms a positive pressure environment relative to the vehicle environmental chamber;

[0049] The pit fresh air supply regulating valve 6 is arranged at the connection between the main drying fresh air supply pipe 4 and the pit fresh air supply pipe 3;

[0050] The environmental chamber fresh air supply regulating valve 7 is arranged at the connection between the total drying fresh air supply pipe 4 and the environmental chamber fresh air supply pipe 8.

[0051] Multiple air supply ports 5 are evenly arranged around the pit 1, and each air supply port 5 is connected to the pit fresh air supply pipe 3;

[0052] Optionally, the pit fresh air supply duct 3 and the vehicle environmental chamber total drying fresh air supply duct 4 are air ducts with a thermal insulation layer.

[0053] Fourth embodiment;

[0054] refer to Figure 4 Combine Figure 3 As shown, the utility model provides a vehicle environmental chamber hub pit, which is installed in the vehicle environmental chamber, including:

[0055] A pit 1 is formed on the bottom wall of the vehicle environment compartment, and a hub device 2 is arranged therein;

[0056] The pit fresh air supply pipe 3 has one end connected to the total dry fresh air supply pipe 4 of the vehicle environmental chamber, and the other end connected to the air supply port 5 arranged on the side wall of the pit 1;

[0057] The pit fresh air supply regulating valve 6 is arranged at the connection between the main drying fresh air supply pipe 4 and the pit fresh air supply pipe 3;

[0058] The environmental chamber fresh air supply regulating valve 7 is arranged at the connection between the total drying fresh air supply pipe 4 and the environmental chamber fresh air supply pipe 8.

[0059] A plurality of air supply ports 5, each of which is connected to the ring pit fresh air supply pipe 8; or, a plurality of ventilation holes are formed on the wall of the ring pit fresh air supply pipe 8, and the ventilation holes are evenly arranged on the ring pit fresh air supply pipe 8;

[0060] The pit-circling fresh air supply duct 8 is arranged around the side wall of the pit 1 , with its wall portion exposed from the side wall of the pit 1 , and is connected to the pit fresh air supply duct 3 .

[0061] The fresh air supply duct 8 around the pit is a plastic air duct with a thermal insulation layer, and fresh air with a circulation temperature of about 10 degrees Celsius is circulated therein.

[0062] Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.

[0063] The application has been described in detail by specific implementation and examples, but these do not constitute limitations to the application. Many modifications and improvements can be made by those skilled in the art without departing from the principles of the application, and these should also be considered as within the scope of protection of the application.

Claims

1. A hub pit for a complete vehicle environmental chamber, which is installed in the complete vehicle environmental chamber, comprising: A pit (1) is formed on the bottom wall of the vehicle environment compartment, and a hub device (2) is arranged in the pit; It is characterized by further comprising: The pit fresh air supply pipe (3) has one end connected to the total dry fresh air supply pipe (4) of the whole vehicle environmental chamber, and the other end connected to the air supply port (5) arranged on the side wall of the pit (1), so that the pit (1) forms a positive pressure environment relative to the whole vehicle environmental chamber; A plurality of air supply ports (5) are evenly arranged around the pit (1), and each air supply port (5) is respectively connected to the pit fresh air supply pipe (3).

2. The vehicle environmental chamber hub pit according to claim 1, characterized in that: Also includes: A pit fresh air supply regulating valve (6) is arranged at the connection between the main drying fresh air supply pipe (4) and the pit fresh air supply pipe (3); The environmental chamber fresh air supply regulating valve (7) is arranged at the connection between the main drying fresh air supply pipe (4) and the environmental chamber fresh air supply pipe (8).

3. The vehicle environmental chamber hub pit according to claim 1, characterized in that: Also includes: A pit-circumferential fresh air supply pipe (8) is arranged around the side wall of the pit (1), with a pipe wall portion exposed from the side wall of the pit (1), and is connected to the pit fresh air supply pipe (3); A plurality of ventilation holes are formed on the wall of the fresh air supply pipe (8) surrounding the pit.

4. The vehicle environmental chamber hub pit according to claim 3, characterized in that: The ventilation holes are evenly distributed on the fresh air supply pipe (8) surrounding the pit.

5. The vehicle environmental chamber hub pit according to claim 3, characterized in that: The fresh air supply pipe (8) around the pit is a plastic air pipe with a heat-insulating layer.

6. The vehicle environmental chamber hub pit according to any one of claims 1 to 4, characterized in that: Also includes: Fresh air with a temperature of about 10 degrees Celsius circulates in the fresh air supply duct (8) surrounding the pit.

7. The vehicle environmental chamber hub pit according to any one of claims 1 to 4, characterized in that: The pit fresh air supply duct (3) and the vehicle environmental chamber total drying fresh air supply duct (4) are air ducts with a thermal insulation layer.

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