Testing device for new energy automobile in low-temperature environment

Abstract

The utility model relates to the field of new energy automobile testing, in particular to a testing device for a new energy automobile in a low-temperature environment, which comprises a testing base arranged in an environment bin and used for bearing a tested automobile, the testing base is formed by splicing a plurality of groups of bottom plates in parallel, and a plurality of groups of supporting columns used for supporting the bottom plates are arranged on the lower sides of the bottom plates. The supporting columns are arranged at equal intervals in the length direction of the bottom plates, the damping assemblies are arranged between the upper sides of the supporting columns and the bottom plates, the bearing capacity of the testing base can be improved through the testing base formed by splicing the multiple sets of bottom plates side by side, the testing requirements can be met for vehicle types of different models, the multiple sets of supporting columns are arranged on the lower sides of the bottom plates, and the testing efficiency is improved. The supporting stability of the bottom plate can be improved, the supporting columns are arranged at equal intervals in the length direction of the bottom plate, maintenance channels can be reserved between the adjacent supporting columns, follow-up maintenance treatment is facilitated, and the vibration isolation effect can be improved through the arrangement of the damping assemblies.

Description

Technical Field

[0001] This utility model relates to the field of testing new energy vehicles, and in particular to a testing device for new energy vehicles in low-temperature environments. Background Technology

[0002] To accurately reflect the performance of new energy vehicles in low-temperature environments, it is necessary to test their durability, reliability, and range. Due to geographical limitations, testing systems are currently widely used for this purpose. These systems simulate low-temperature environments to test new energy vehicles. During testing, the vehicle is placed onto the testing system using a gantry crane, and then the testing begins. However, traditional testing systems only consider passenger cars. With the popularization of new energy technologies, the number of new energy trucks is also increasing. Traditional testing chambers, due to limitations in floor size, cannot perform environmental testing on new energy trucks or even larger vehicles. Therefore, a testing device specifically designed for low-temperature environments of new energy vehicles is needed. Utility Model Content

[0003] In view of the shortcomings of the prior art described above, the purpose of this utility model is to provide a testing device for low-temperature environments of new energy vehicles, so as to solve the problem that the prior art cannot test multiple vehicle models.

[0004] To achieve the above and other related objectives, this utility model provides the following technical solution:

[0005] A testing device for low-temperature environments of new energy vehicles, comprising:

[0006] The environmental chamber contains a test base for carrying the test vehicle. The test base is composed of multiple sets of base plates spliced ​​together in parallel. Multiple sets of support columns are provided on the underside of the base plates to support the base plates. The support columns are evenly spaced along the length of the base plates. Furthermore, shock-absorbing components are provided between the upper side of the support columns and the base plates.

[0007] To achieve the above technical solution, the test base, which is composed of multiple sets of base plates spliced ​​together, can improve the load-bearing capacity of the test base and meet the testing requirements for different vehicle models. In addition, multiple sets of support columns are set on the underside of the base plate to improve the support stability of the base plate. The support columns are evenly spaced along the length of the base plate to leave maintenance channels between adjacent support columns, which facilitates subsequent maintenance. The setting of vibration damping components can improve the vibration isolation effect.

[0008] In one embodiment of this utility model, the support column is a rectangular support column, and the length direction of the support column is arranged perpendicular to the length direction of the base plate.

[0009] The support stability of the support and the mounting convenience of the damping assembly are improved by setting the support as a rectangular support.

[0010] In an embodiment of the utility model, the damping assembly is a diaphragm air spring, and a plurality of groups of damping assemblies are arranged along the length direction of the support.

[0011] The support stability of the support and the mounting convenience of the damping assembly are improved by setting the support as a rectangular support.

[0012] In an embodiment of the utility model, the bottom plate is provided with positioning grooves at both ends along the length direction thereof, the positioning grooves between adjacent bottom plates are provided with positioning plates, and the positioning plates and the positioning grooves are connected through positioning pins.

[0013] The positioning grooves and the positioning plates are connected through the positioning pins, so that the splicing flatness of the bottom plate is improved, the splicing error is reduced, and the support stability of the bottom plate to the test vehicle is improved.

[0014] In an embodiment of the utility model, the positioning grooves of the middle section of the test base penetrate the whole bottom plate along the width direction of the bottom plate, and the sizes of the positioning grooves at both ends of the test base are greater than half of the width size of the bottom plate.

[0015] The positioning grooves of the middle section of the test base penetrate the whole bottom plate along the width direction of the bottom plate, so that the connection of the positioning plates is facilitated, the sizes of the positioning grooves at both ends of the test base are greater than half of the width size of the bottom plate, the positioning coverage area of the positioning plates is improved, and the splicing stability of the bottom plate is improved.

[0016] In an embodiment of the utility model, a foundation pit is arranged in the environmental bin, and the support is located in the foundation pit.

[0017] The mounting space of the support is provided by the foundation pit, so that the mounting convenience of the support is improved.

[0018] In an embodiment of the utility model, a heat preservation layer is arranged on the surface of the foundation pit.

[0019] The heat preservation effect in the foundation pit is improved by the heat preservation layer, so that the stability of the test environment in the environmental bin is ensured.

[0020] In an embodiment of the utility model, the bottom plate is an iron bottom plate, and the upper end surface of the bottom plate is parallel to the ground.

[0021] The iron bottom plate has better supportability, the upper end surface of the bottom plate is parallel to the ground, the vehicle can be conveniently entered, and the problem that the vehicle is placed on the test system by the gantry crane and then tested is avoided.

[0022] As described above, the utility model discloses a kind of test devices for new energy automobile low temperature environment, with following beneficial effects: by the test base that multiple bottom plates are parallelly spliced, the bearing capacity of test base can be improved, for different models of vehicle, the demand of test can be met, and multiple struts are arranged in the bottom plate lower side, the support stability to bottom plate can be improved, the struts are equally spaced along the length direction of bottom plate, maintenance passage can be reserved between adjacent struts, subsequent maintenance processing is facilitated, and the setting of damping assembly can improve the vibration isolation effect. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It shows the structure schematic diagram of the test device for new energy automobile low temperature environment disclosed in the embodiment of the utility model.

[0024] Figure 2 It shows the heat preservation layer structure schematic diagram of the test device for new energy automobile low temperature environment disclosed in the embodiment of the utility model.

[0025] Figure 3 It shows the bottom plate structure schematic diagram of the test device for new energy automobile low temperature environment disclosed in the embodiment of the utility model.

[0026] Figure 4 It shows the positioning plate structure schematic diagram of the test device for new energy automobile low temperature environment disclosed in the embodiment of the utility model.

[0027] Figure 5 It shows the damping assembly structure schematic diagram of the test device for new energy automobile low temperature environment disclosed in the embodiment of the utility model.

[0028] ELEMENT NUMBER EXPLANATION

[0029] 1, environment bin;2, test base;3, bottom plate;4, strut;5, damping assembly;6, positioning groove;7, positioning plate;8, positioning pin;9, foundation pit;10, heat preservation layer. DETAILED DESCRIPTION

[0030] The following specific embodiments illustrate the embodiments of the present application, and those skilled in the art can easily understand other advantages and effects of the present application from the disclosed content. It should be noted that the following embodiments and features in the embodiments can be combined with each other without conflict.

[0031] Please refer to Figures 1 to 5 The utility model provides a kind of testing device for new energy automobile low temperature environment, including the testing base 2 for being configured for carrying test vehicle in environment bin 1, testing base 2 is formed by a plurality of bottom plates 3 parallel splicing, and a plurality of struts 4 for supporting bottom plate 3 are provided on the lower side of bottom plate 3, and the damping assembly 5 is configured between the upper side of strut 4 and bottom plate 3.

[0032] Through the testing base 2 formed by a plurality of bottom plates 3 parallel splicing, the carrying capacity of the testing base 2 can be improved, and the testing requirements of different models can be met, and a plurality of struts 4 are provided on the lower side of the bottom plate 3, which can improve the support stability of the bottom plate 3, and the struts 4 are equally spaced along the length direction of the bottom plate 3, which can reserve a maintenance channel between adjacent struts 4 to facilitate subsequent maintenance, and the setting of the damping assembly 5 can improve the vibration isolation effect.

[0033] The strut 4 is a rectangular strut 4, and the length direction of the strut 4 is arranged perpendicular to the length direction of the bottom plate 3. By setting the strut 4 as a rectangular strut 4, the support stability of the strut 4 can be improved, and the installation convenience of the damping assembly 5 can also be facilitated. By arranging the length direction of the strut 4 perpendicular to the length direction of the bottom plate 3, the pressure of the bottom plate 3 on the strut 4 can be better evenly distributed, and the support stability of the bottom plate 3 can be improved.

[0034] The damping assembly 5 is a diaphragm air spring, and a plurality of damping assemblies 5 are equally arranged along the length direction of the strut 4. By using a diaphragm air spring, the natural frequency can reach 1.5 Hz, and the damping can be adjusted, the vibration isolation effect is better, and the equally arranged damping assemblies 5 can improve the support stability of the strut 4 on the bottom plate 3.

[0035] The bottom plate 3 is provided with a positioning groove 6 at both ends along its length direction, and a positioning plate 7 is arranged in the positioning groove 6 between adjacent bottom plates 3. The positioning plate 7 and the positioning groove 6 are connected by a positioning pin 8. By arranging the positioning groove 6 and the positioning plate 7 connected by the positioning pin 8, the splicing flatness of the bottom plate 3 can be improved, the splicing error can be reduced, and the support stability of the bottom plate 3 on the test vehicle can be improved.

[0036] The positioning groove 6 of the middle section of the test base 2 penetrates the whole bottom plate 3 along the width direction of the bottom plate 3, the positioning groove 6 at the two ends of the test base 2 is larger than half of the width size of the bottom plate 3, the positioning groove 6 of the middle section of the test base 2 penetrates the whole bottom plate 3 along the width direction of the bottom plate 3, the connection of the positioning plate 7 is facilitated, the positioning groove 6 at the two ends of the test base 2 is larger than half of the width size of the bottom plate 3, the positioning coverage area of the positioning plate 7 is improved, and therefore the splicing stability of the bottom plate 3 is improved.

[0037] The base pit 9 is arranged in the environmental bin 1, the support column 4 is located in the base pit 9, the base pit 9 can provide assembly space for the support column 4, and the assembly convenience of the support column 4 is improved, the heat preservation layer 10 is arranged on the surface of the base pit 9, the heat preservation effect in the base pit 9 is improved, and the stability of the test environment in the environmental bin 1 is ensured.

[0038] The bottom plate 3 is an iron bottom plate 3, and the upper side end surface of the bottom plate 3 is parallel to the ground, the iron bottom plate 3 has better supportability, the upper side end surface of the bottom plate 3 is parallel to the ground, the vehicle can enter conveniently, and the problem that a whole vehicle is placed on a test system by a traditional gantry crane and then test is started is avoided.

[0039] The test base formed by the parallel splicing of the plurality of bottom plates can improve the bearing capacity of the test base, can meet the test requirements of different models, and the plurality of support columns are arranged on the lower side of the bottom plate, the support stability of the bottom plate is improved, the support columns are equally and spacedly arranged along the length direction of the bottom plate, a maintenance channel is reserved between adjacent support columns, subsequent maintenance is facilitated, and the vibration isolation effect is improved by the arrangement of the damping assembly.

[0040] The above embodiment only exemplarily illustrates the principle and effect of the utility model, and is not used for limiting the utility model. All equivalent modifications or changes completed by those skilled in the art without departing from the spirit and technical thought disclosed by the utility model should be covered by the claims of the utility model.

Claims

1. A testing device for new energy vehicles in low temperature environment, characterized in that, The utility model relates to an environment warehouse, which comprises a test base for carrying a test vehicle, a plurality of groups of bottom plates are juxtaposed to form the test base, a plurality of groups of supporting columns for supporting the bottom plates are arranged on the lower side of the bottom plates, the supporting columns are equally spaced along the length direction of the bottom plates, and a damping assembly is arranged between the upper side of the supporting columns and the bottom plates. The supporting columns are rectangular, and the length direction of the supporting columns is arranged perpendicular to the length direction of the bottom plates.

2. The testing device for new energy vehicles in a low-temperature environment according to claim 1, characterized in that: The damping assembly is a film air spring, and a plurality of groups of the damping assembly are equally spaced along the length direction of the supporting columns.

3. The testing device for new energy vehicles in a low-temperature environment according to claim 1, characterized in that: Positioning slots are arranged at both ends of the length direction of the bottom plates, positioning plates are arranged in the positioning slots between adjacent bottom plates, and the positioning plates and the positioning slots are connected through positioning pins.

4. The testing device for new energy vehicles in a low-temperature environment according to claim 1, characterized in that: The positioning slots of the middle section of the test base penetrate the entire bottom plate along the width direction of the bottom plate, and the positioning slots at both ends of the test base are larger than half the width of the bottom plate.

5. The testing device for new energy vehicles in a low-temperature environment according to claim 1, characterized in that: The environment warehouse is provided with a foundation pit, and the supporting columns are located in the foundation pit.

6. The testing device for new energy vehicles in a low-temperature environment according to claim 1, characterized in that: The surface of the foundation pit is provided with a heat preservation layer.

7. The testing device for new energy vehicles in a low-temperature environment according to claim 6, characterized in that: The bottom plates are iron plates, and the upper end surface of the bottom plates is parallel to the ground. 8.The device for testing new energy vehicles in low-temperature environments according to claim 1, characterized in that: ​

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