New energy automobile power assembly testing device

Abstract

The utility model discloses a new energy automobile power assembly testing device comprising a power assembly testing box, one side of the power assembly testing box is fixedly connected with an air outlet pipe, the air outlet pipe is internally and fixedly connected with a support, the support is rotatably connected with an air guide fan, one side of the air outlet pipe is fixedly connected with a transfer box, and one side of the transfer box is fixedly connected with an air pump. A first pipe fitting is fixedly connected to one side of the cold air box, an adjusting pipe is fixedly connected to the upper end of the first pipe fitting, and an electric push rod is fixedly connected to one side of the adjusting pipe; according to the utility model, the cold air box and the hot air box are arranged on one side of the power assembly test box and are matched with the first pipe fitting and the second pipe fitting to feed air into the power assembly test box, and then high temperature or low temperature can be reduced by entering air during cold and hot detection; the problem of damage caused by shock cooling and shock heating of the power assembly test box can be solved.

Description

Technical Field

[0001] The utility model relates to the technical field of new energy vehicle powertrain detection, and in particular to a new energy vehicle powertrain test device. Background Art

[0002] The new energy vehicle powertrain test device is a pipe fitting device used to test the performance of new energy vehicle powertrain. It can usually simulate the test environment, and through modular design, it can provide the required test environment for different types of engines, controllers, drive motors, gearboxes, etc. Some automobile powertrains need to test rapid temperature changes or reliability tests under extremely short conditions, so it is necessary to quickly change the hot and cold environments.

[0003] According to the Chinese patent publication number CN117929875A "A New Energy Vehicle Powertrain Test Device", it mainly describes that by setting a bottom plate, a test slot, a sealing cover, an assembly fixing frame, a cold air intake pipe, a cold air outlet pipe, a hot air intake pipe and a hot air outlet pipe, it is possible to easily simulate low and high temperature environments, so that the new energy vehicle powertrain test is more in line with the actual use environment of the vehicle and the test results are more comprehensive. In this process, the rapid change of the cold and hot environment is likely to cause cold and hot damage to the components of the vehicle powertrain, making the test more troublesome.

[0004] Therefore, a new energy vehicle powertrain test device is proposed to solve the problem that during the process, rapid changes in hot and cold environments can easily cause hot and cold damage to the components of the vehicle powertrain, resulting in troublesome testing. Utility Model Content

[0005] The technical problem to be solved by the utility model is as follows: in this process, the rapid change of hot and cold environment easily causes hot and cold damage to the parts of the automobile powertrain, resulting in troublesome testing. Therefore, a new energy automobile powertrain testing device is proposed.

[0006] The technical solution adopted by the utility model to solve the technical problem is: a new energy vehicle powertrain test device, including a powertrain test box, one side of the powertrain test box is fixedly connected to an air outlet pipe, the air outlet pipe is fixedly connected to a bracket and the bracket is rotatably connected to a guide fan, one side of the air outlet pipe is fixedly connected to a transfer box, one side of the transfer box is fixedly connected to an air pump, one side of the transfer box is connected to a cold air box through a pipe fitting, the cold air box is fixedly connected to a cold air pipe, the cold air pipe is evenly fixedly connected to a conduction sheet, one side of the cold air box is fixedly connected to a first pipe fitting, the upper end of the first pipe fitting is fixedly connected to an adjusting pipe, one side of the adjusting pipe is fixedly connected to an electric push rod, the output end of the electric push rod is fixedly connected to a blocking block, one side of the adjusting pipe is fixedly connected to a second pipe fitting, the other side of the second pipe fitting is fixedly connected to a hot air box, and one side of the upper end of the adjusting pipe is fixedly connected to an air guide pipe.

[0007] As a preferred technical solution of the utility model, one end of the regulating tube is fixedly connected to a driving motor and the output end of the driving motor is fixedly connected to a flap, and the flap is located in the first pipe fitting. By setting the driving motor and the sealing plate, the opening and closing of the first pipe fitting can be controlled.

[0008] As a preferred technical solution of the utility model, a temperature sensor is fixedly connected to one side of the first pipe, and the temperature sensor corresponds to the cold air box. By setting the temperature sensor, the temperature can be detected, which is convenient for controlling the rotation of the drive motor and the sealing plate.

[0009] As a preferred technical solution of the utility model, a groove is provided on one side of the cold air box, and a sealing plate is rotatably connected to the cold air box at the groove. By arranging the cold air box and the sealing plate, gas overflow can be easily controlled.

[0010] As a preferred technical solution of the utility model, the regulating tube is communicated with the inside of the air duct, and a check valve is rotatably connected to the bottom side of the air duct. Through the air intake, the airflow entering the box can be controlled so as not to encounter sudden cooling or heating.

[0011] The utility model has the following advantages: by installing a cold air box and a hot air box on one side of the powertrain test box and cooperating with the first pipe fitting and the second pipe fitting to intake air into the powertrain test box, the high or low temperature can be reduced by the intake of air in the middle of the cold and hot tests, thereby solving the problem of damage to the powertrain test box caused by sudden cooling or heating. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a side cross-sectional structural schematic diagram of a new energy vehicle powertrain test device according to a preferred embodiment of the utility model;

[0013] Figure 2It is a three-dimensional structural schematic diagram of a new energy vehicle powertrain test device according to a preferred embodiment of the utility model;

[0014] Figure 3 It is a schematic diagram of the enlarged structure of point A of a new energy vehicle powertrain test device in a preferred embodiment of the utility model.

[0015] Explanation of the reference numerals in the accompanying drawings: 1. Powertrain test box; 2. Exhaust pipe; 3. Fan duct; 4. Transfer box; 5. Air pump; 6. Cold air box; 7. Cold air pipe; 8. Conducting plate; 9. First pipe fitting; 10. Temperature sensor; 11. Flap; 12. Adjusting pipe; 13. Electric push rod; 14. Block; 15. Second pipe fitting; 16. Sealing plate; 17. Hot air box; 18. Air duct. DETAILED DESCRIPTION

[0016] The utility model will be further described below in conjunction with the accompanying drawings.

[0017] Please refer to Figure 1-3A new energy vehicle powertrain test device shown includes a powertrain test box 1, one side of the powertrain test box 1 is fixedly connected to an air outlet pipe 2, a bracket is fixedly connected inside the air outlet pipe 2 and a ducting fan 3 is rotatably connected to the bracket, one side of the air outlet pipe 2 is fixedly connected to a transfer box 4, the transfer box 4 is evacuated by an air pump 5, and can cooperate with the ducting fan 3 to guide the airflow, one side of the transfer box 4 is fixedly connected to an air pump 5, one side of the transfer box 4 is connected to a cold air box 6 by a pipe fitting, and a cold air pipe 7 is fixedly connected inside the cold air box 6, when the electric push rod 13 is fully retracted, the block 14 corresponds to the first pipe fitting 9, at this time, hot air is generated in the hot air box 17, and through the action of the air pump 5 and the ducting fan 3, the gas enters the powertrain test box 1, and the thermal detection of the new energy vehicle powertrain can be performed, after the thermal detection is completed, the electric push rod 13 extends so that the block 14 corresponds to the second pipe fitting 15, at this time, the first pipe fitting 9 and the second pipe fitting 15 are in a closed state, the ducting fan 3 and the air pump 5 are started, and at this time, the ducting pipe 18 The check valve opens automatically, and air enters the powertrain test box 1, thereby reducing the temperature of the new energy vehicle powertrain, and then the airflow is introduced into the cold air box 6 for cold detection, thereby reducing the impact of sudden cooling and heating on the new energy vehicle powertrain and improving the detection accuracy. The cold air pipe 7 is evenly fixedly connected with a conduction sheet 8, and the conduction sheet 8 can realize the transmission from high temperature to low temperature. A first pipe fitting 9 is fixedly connected to one side of the cold air box 6, and an adjusting pipe 12 is fixedly connected to the upper end of the first pipe fitting 9. An electric push rod 13 is fixedly connected to one side of the adjusting pipe 12, and a blocking block 14 is fixedly connected to the output end of the electric push rod 13. A second pipe fitting 15 is fixedly connected to one side of the adjusting pipe 12 (the second pipe fitting 15 has the same structure as the first pipe fitting 9), and a hot air box 17 is fixedly connected to the other side of the second pipe fitting 15 (the hot air box 17 has the same structure as the cold air box 6, and hot air is introduced into the outside of the hot air box 17 and is conducted through the conduction sheet 8), and an air guide duct 18 is fixedly connected to one side of the upper end of the adjusting pipe 12.

[0018] Among them, a flap 11 is set in the first pipe 9, and the flap 11 is fixedly connected to the output end of the driving motor, and the driving motor is fixedly connected to one end of the regulating tube 12. By setting the driving motor and the flap 11, the first pipe 9 can be in a closed state.

[0019] The cold air box 6 corresponds to the temperature sensor 10, and the temperature sensor 10 is fixedly connected to one side of the first pipe 9, so as to implement detection and control temperature detection.

[0020] Among them, the sealing plate 16 is rotatably connected to the groove of the cold air box 6 (a driving motor is fixedly connected to one side of the cold air box 6, and the sealing plate 16 is driven to rotate by the driving motor). The groove is located on one side of the cold air box 6. By setting the sealing plate 16, the gas overflow can be controlled so that the set temperature can be reached in the cold air box 6.

[0021] The regulating tube 12 is connected to the inside of the air duct 18 , and a check valve is rotatably connected to the bottom of the air duct 18 . By setting the regulating tube 12 and the air duct 18 , air can be taken in from the outside to reduce the sudden cooling and heating in the powertrain test box 1 .

[0022] Working principle: when the electric push rod 13 is fully retracted, the block 14 corresponds to the first pipe fitting 9, and hot air is generated in the hot air box 17 at this time, and through the action of the air pump 5 and the duct fan 3, the gas enters the powertrain test box 1, and the thermal detection of the powertrain of the new energy vehicle can be carried out. After the thermal detection is completed, the electric push rod 13 extends to make the block 14 correspond to the second pipe fitting 15. At this time, the first pipe fitting 9 and the second pipe fitting 15 are closed, and the duct fan 3 and the air pump 5 are started. At this time, the check valve at the air duct 18 opens automatically, and air enters the powertrain test box 1, thereby reducing the temperature of the powertrain of the new energy vehicle, and then the air flow is introduced into the cold air box 6 for cold detection. In this process, an air entry procedure is set between the cold and hot detections, which can balance the temperature in the powertrain test box 1 and prevent sudden cold and hot conditions.

[0023] The above are only preferred implementations of the present invention. It should be pointed out that, for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

[0024] Other parts of the present invention not described in detail belong to the prior art and will not be described here.

[0025] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. A new energy vehicle powertrain test device, comprising a powertrain test box (1), characterized in that: An air outlet pipe (2) is fixedly connected to one side of the powertrain test box (1), a bracket is fixedly connected inside the air outlet pipe (2) and a fan (3) is rotatably connected to the bracket, a transfer box (4) is fixedly connected to one side of the air outlet pipe (2), an air pump (5) is fixedly connected to one side of the transfer box (4), a cold air box (6) is connected to one side of the transfer box (4) via a pipe fitting, a cold air pipe (7) is fixedly connected inside the cold air box (6), a conductive sheet (8) is evenly fixedly connected to the cold air pipe (7), and the cold air box (8) is fixedly connected to the conductive sheet (8). A first pipe (9) is fixedly connected to one side of the air box (6); an upper end of the first pipe (9) is fixedly connected to an adjusting pipe (12); one side of the adjusting pipe (12) is fixedly connected to an electric push rod (13); an output end of the electric push rod (13) is fixedly connected to a blocking block (14); one side of the adjusting pipe (12) is fixedly connected to a second pipe (15); the other side of the second pipe (15) is fixedly connected to a hot air box (17); and one side of the upper end of the adjusting pipe (12) is fixedly connected to an air guide pipe (18).

2. A new energy vehicle powertrain testing device as claimed in claim 1, characterized in that: One end of the regulating tube (12) is fixedly connected to a driving motor, and the output end of the driving motor is fixedly connected to a flap (11), and the flap (11) is located in the first pipe (9).

3. A new energy vehicle powertrain testing device as claimed in claim 2, characterized in that: A temperature sensor (10) is fixedly connected to one side of the first pipe (9), and the temperature sensor (10) corresponds to the cold air box (6).

4. A new energy vehicle powertrain testing device as claimed in claim 3, characterized in that: A groove is provided on one side of the cold air box (6), and a sealing plate (16) is rotatably connected to the cold air box (6) at the groove.

5. A new energy vehicle powertrain testing device as claimed in claim 1, characterized in that: The regulating pipe (12) is in communication with the interior of the air guide pipe (18), and a check valve is rotatably connected to the bottom side of the air guide pipe (18).

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