Cooling system test bench

Abstract

The utility model relates to the technical field of testing, in particular to a cooling system test bench. The cooling system test bench comprises a base, a plurality of first moving assemblies, a plurality of second moving assemblies, a plurality of first supporting pieces and a plurality of second supporting pieces, and the first moving assemblies are installed on the base and can move relative to the base in the first direction. The second moving assemblies are installed on the first moving assembly and can move in the second direction relative to the first moving assembly. The multiple first supporting pieces are installed on the second moving assembly, the multiple second supporting pieces are installed on the first supporting pieces and can move in the third direction relative to the first supporting pieces, and the multiple second supporting pieces are used for supporting the cooling system. Wherein the first direction, the second direction and the third direction are perpendicular to one another. According to the test bench, the supporting position is adjusted according to the arrangement of cooling systems of different vehicle types, tests of different cooling loop schemes are carried out, and different test requirements are met.

Description

Technical Field

[0001] The present application relates to the field of testing technology, and in particular to a cooling system test bench. Background Art

[0002] With the rapid development of new energy vehicles, electric vehicles and hybrid vehicles have placed higher requirements on cooling systems and battery thermal management systems.

[0003] At present, traditional automobile cooling system tests are usually carried out on the entire vehicle. Due to the limited space in the actual vehicle, it is inconvenient to arrange instruments for flow and flow resistance testing, and it is difficult to conduct system energy consumption optimization tests. Utility Model Content

[0004] An embodiment of the present application provides a cooling system test bench for performing verification tests on different cooling circuit solutions.

[0005] An embodiment of the present application provides a cooling system test bench, the cooling system test bench comprising:

[0006] base;

[0007] a plurality of first moving assemblies mounted on the base and capable of moving relative to the base along a first direction;

[0008] a plurality of second moving assemblies mounted on the first moving assembly and capable of moving along a second direction relative to the first moving assembly;

[0009] a plurality of first support members, mounted on the second moving assembly;

[0010] a plurality of second support members, mounted on the first support member and capable of moving along a third direction relative to the first support member, the plurality of second support members being used to support a cooling system;

[0011] The first direction, the second direction and the third direction are all perpendicular to each other.

[0012] In a possible design, the base is provided with a first guide rod extending along the first direction;

[0013] The first moving assembly includes a first slider and a second guide rod extending along the second direction, and the second guide rod is mounted on the first slider;

[0014] The first sliding block is mounted on the first guide rod and is movable along the first guide rod.

[0015] In one possible design, the second moving assembly includes a second slider and a mounting block;

[0016] The second slider is mounted on the second guide rod and is movable along the second guide rod;

[0017] The mounting block is mounted on the second sliding block, and the first supporting member is mounted on the mounting block.

[0018] In a possible design, the first support member includes a first plate and a second plate that are vertically connected, the first plate extends along the second direction, and the second plate extends along the third direction;

[0019] The first plate is provided with a first mounting hole, and the mounting block is provided with a second mounting hole;

[0020] The first support member and the mounting block are connected and fixed via a connecting member passing through the first mounting hole and the second mounting hole.

[0021] In a possible design, some of the first support members are arranged opposite to each other in pairs, and two ends of the second support member are respectively connected to the two oppositely arranged first support members.

[0022] In one possible design, the second plate is provided with a plurality of evenly distributed third mounting holes;

[0023] Of the two second plates arranged opposite to each other, one is a first support plate and the other is a second support plate;

[0024] One end of the second support member can pass through the third mounting hole of the first support plate and be connected to the third mounting hole of the second support plate;

[0025] Along the third direction, the second support member can be matched with any of the third mounting holes.

[0026] In one possible design, the second support member is a metal rod;

[0027] At least two of the metal rods are installed in two first supporting members that are oppositely arranged.

[0028] In one possible design, a portion of the metal rod is provided with an external thread;

[0029] The third mounting hole is provided with an internal thread, and the second support member is threadedly matched with the third mounting hole;

[0030] One end of the metal rod is provided with a limiting portion for limiting the metal rod from completely passing through the third mounting hole, and the other end of the metal rod can be threadedly engaged with the limiting member after passing through the third mounting hole.

[0031] In a possible design, the first support member is provided with a reinforcing plate, and the reinforcing plate is connected to both the first plate and the second plate.

[0032] In one possible design, the testing system further includes a water receiving tray, which is detachably mounted on the base;

[0033] The water receiving tray is arranged below the first moving assembly, and is used to receive the coolant leaked from the cooling system.

[0034] In an embodiment of the present application, by setting up a test bench, the cooling system can be distributed on the test bench according to its layout status on the whole vehicle, effectively collecting detailed flow, flow resistance, pressure and other data, improving simulation accuracy, and detecting the performance of the system when installed on the whole vehicle. Compared with direct testing on the whole vehicle, it is beneficial to shorten the development cycle, reduce development costs, and avoid after-sales problems.

[0035] In addition, the test bench can adjust the support position according to the layout of the cooling system of different vehicle models, conduct tests on different cooling circuit solutions, adapt to different testing needs, and is universal, which helps reduce production costs.

[0036] It should be understood that the foregoing general description and the following detailed description are merely illustrative and are not restrictive of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] Figure 1 This is a schematic diagram of a cooling system arranged on the test bench provided in this application;

[0038] Figure 2 This is a schematic diagram of the structure of the test bench provided in this application;

[0039] Figure 3 for Figure 2 Schematic diagram of the middle part structure;

[0040] Figure 4 This is a schematic diagram of the first movable assembly and the second movable assembly provided in this application in a mating state;

[0041] Figure 5 A schematic diagram of the second moving assembly provided in this application;

[0042] Figure 6 A schematic diagram of the second slider provided in this application;

[0043] Figure 7 This is a schematic diagram of the first support member and the second support member provided in this application in a mating state;

[0044] Figure 8 for Figure 7 Schematic diagram from another perspective.

[0045] Reference numerals:

[0046] 1- Test bench;

[0047] 11- base;

[0048] 111-first guide rod;

[0049] 112-Drawer;

[0050] 12- first moving component;

[0051] 121- first slider;

[0052] 121a-first chute;

[0053] 122- second guide rod;

[0054] 13- second mobile component;

[0055] 131- second slider;

[0056] 131a-second chute;

[0057] 131b-second connecting hole;

[0058] 132-installation block;

[0059] 132a-second mounting hole;

[0060] 132b-first connecting hole;

[0061] 14-first support member;

[0062] 141-first plate;

[0063] 141a-first mounting hole;

[0064] 142-Second plate;

[0065] 142a-third mounting hole;

[0066] 143-Reinforcement plate;

[0067] 15- second support member;

[0068] 151-external thread;

[0069] 152-limiting part;

[0070] 16-limiting piece;

[0071] 17-water tray;

[0072] 18-Drain valve;

[0073] 19-Universal wheel;

[0074] 2- Radiator;

[0075] 3- Motor controller;

[0076] 4-Expansion pot;

[0077] 5- first motor;

[0078] 6- Second motor;

[0079] 7-Electronic water pump;

[0080] 8-Cooling pipe;

[0081] 9-Charging and distribution assembly.

[0082] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and, together with the description, serve to explain the principles of the present application. DETAILED DESCRIPTION

[0083] In order to better understand the technical solution of the present application, the embodiments of the present application are described in detail below with reference to the accompanying drawings.

[0084] It should be clear that the embodiments described are only part of the embodiments of this application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0085] The terms used in the embodiments of the present application are for the purpose of describing specific embodiments only and are not intended to limit the present application. The singular forms "a", "an", "the" and "the" used in the embodiments of the present application and the appended claims are also intended to include plural forms unless the context clearly indicates otherwise.

[0086] It should be understood that the term "and / or" as used herein is merely a description of the relationship between associated objects, indicating that three possible relationships exist. For example, "A and / or B" can represent: A exists alone, A and B exist simultaneously, or B exists alone. Furthermore, the character " / " in this document generally indicates that the associated objects are in an "or" relationship.

[0087] It should be noted that the directional words such as "upper", "lower", "left", and "right" described in the embodiments of the present application are described based on the angles shown in the accompanying drawings and should not be understood as limiting the embodiments of the present application. In addition, in the context, it should be understood that when it is mentioned that an element is connected to another element "on" or "under", it can not only be directly connected to the other element "on" or "under", but also be indirectly connected to the other element "on" or "under" through an intermediate element.

[0088] As an indispensable component of a car, the cooling system is responsible for transporting the cooling medium from the source to the destination to meet the normal operation requirements of the car's engine, air conditioning, three-electric systems and other systems. It plays a vital role in ensuring the normal operation and stable performance of the car.

[0089] Traditional automotive cooling system testing is typically conducted on the complete vehicle. Due to space constraints, it's difficult to arrange instruments for flow and flow resistance testing, making system energy optimization testing challenging. Furthermore, the completed vehicle often arrives late in the project, leaving a short turnaround time for any issues and creating significant risk. Therefore, verification of cooling system flow and flow resistance is essential before installation.

[0090] To this end, this embodiment provides a cooling system test bench to solve the above technical problems.

[0091] like Figure 1 The figure shows a schematic diagram of a cooling system arranged on a test bench 1. The cooling system includes components such as a radiator 2, a motor controller 3, an expansion pot 4, a first motor 5, a second motor 6, an electronic water pump 7, a cooling pipe 8 and a charging and distribution assembly 9. These components are distributed on the test bench according to their layout on the vehicle, effectively collecting detailed data such as flow rate, flow resistance, and pressure, improving simulation accuracy, and detecting the performance of the system when installed on the vehicle. Compared with direct testing on the vehicle, this is conducive to shortening the development cycle, reducing development costs, and avoiding after-sales problems.

[0092] In addition, the test bench can adjust the support position according to the layout of the cooling system of different vehicle models, conduct tests on different cooling circuit solutions, adapt to different testing needs, and is universal, which helps reduce production costs.

[0093] Furthermore, by setting up test benches to verify different cooling system circuit solutions, CAE calculations are used to optimize the vehicle's cooling system circuit architecture to achieve the design goals of reducing system flow resistance and piping costs. Furthermore, a test bench is set up to evaluate the cooling system's exhaust performance to avoid aftermarket exhaust problems.

[0094] Specifically, if Figure 2 The figure shows a schematic diagram of a test bench, in which the test bench 1 has a first direction Y, a second direction X and a third direction Z. The length direction of the test bench 1 is defined as the first direction Y, the width direction of the test bench 1 is defined as the second direction X, and the height direction of the test bench 1 is defined as the third direction Z. The directions of the first direction Y, the second direction X and the third direction Z are approximately perpendicular.

[0095] Please continue to refer to Figure 2The test bench 1 includes a base 11, a plurality of first movable assemblies 12, a plurality of second movable assemblies 13, a plurality of first supports 14, and a plurality of second supports 15. The plurality of second supports 15 are used to support the cooling system. The plurality of first movable assemblies 12 are mounted on the base 11 and can move relative to the base 11 in a first direction Y to adjust the arrangement of each first movable assembly 12 on the base 11. The plurality of second movable assemblies 13 are mounted on the first movable assembly 12 and can move relative to the first movable assembly 12 in a second direction X to adjust the arrangement of each second movable assembly 13 on the first movable assembly 12. The plurality of first supports 14 are mounted on the second movable assembly 13, and the plurality of second supports 15 are mounted on the first supports 14 and can move relative to the first supports 14 in a third direction Z to adjust the arrangement of each second support 15 on the first supports.

[0096] In this embodiment, the first moving assembly 12 , the second moving assembly 13 and the first support member 14 are used to adjust the second support member 15 in three degrees of freedom, thereby adjusting the support components of the test bench 1 according to the specifications of different cooling systems.

[0097] like Figure 3 The diagram shows a partial structure of the test bench 1, as shown in FIG. Figure 4 The diagram shows the first moving assembly 12 and the second moving assembly 13. Figure 3 and Figure 4 The base 11 is provided with a first guide rod 111 extending along the first direction Y. Specifically, three first guide rods 111 may be provided. The three first guide rods 111 are arranged in sequence on the base 11 along the second direction X. The first moving assembly 12 includes a first slider 121 and a second guide rod 122 extending along the second direction X. Specifically, three first sliders 121 may be provided. The second guide rod 122 is connected to the three first sliders 121, and the three first sliders 121 are correspondingly installed on the three first guide rods 111. The first slider 121 and the first guide rod 111 are in sliding fit. The first slider 121 can move along the first guide rod 111, so that the second guide rod 122 can move relative to the first guide rod 111 along the first direction Y, thereby adjusting the position of the second guide rod 122 on the base 11 along the first direction Y.

[0098] The first slider 121 is provided with a first sliding groove 121 a , and the shape of the first sliding groove 121 a matches the shape of the first guide rod 111 , so that the first slider 121 can be sleeved on the first guide rod 111 through the first sliding groove 121 a .

[0099] like Figure 5 The second moving component 13 is shown in FIG. Figure 4 and Figure 5As shown, the second movable assembly 13 includes a second slider 131 and a mounting block 132. Specifically, four second sliders 131 may be provided, arranged in pairs, and the mounting blocks 132 are mounted on the four second sliders 131. The four second sliders 131 are correspondingly mounted on two second guide rods 122. The second sliders 131 slide in conjunction with the second guide rails. The second sliders 131 can move along the second guide rods 122, allowing the mounting blocks 132 to move relative to the second guide rods 122 in the second direction X. The first support member 14 is mounted on the mounting block 132, allowing the first support member 14 to move relative to the second guide rods 122 in the second direction X, thereby adjusting the position of the first support member 14 on the base 11 along the first direction Y and the second direction X.

[0100] The second slider 131 is provided with a second sliding groove 131 a , and the shape of the second sliding groove 131 a matches the shape of the second guide rod 122 , so that the second slider 131 can be sleeved on the first guide rod 111 through the second sliding groove 131 a .

[0101] Furthermore, if Figure 6 The second slider 131 is shown in FIG. Figure 5 and Figure 6 The mounting block 132 is provided with a first connection hole 132b, and the second slider 131 is provided with a second connection hole 131b. The mounting block 132 and the four second sliders 131 can be fixed by connecting the first connection hole 132b and the second connection hole 131b with bolts.

[0102] like Figure 7 and Figure 8 The diagram shows the first support member 14 and the second support member 15 in cooperation with each other. Figure 5 、 Figure 7 and Figure 8 The first support member 14 includes a first plate 141 and a second plate 142 that are substantially perpendicularly connected. The first plate 141 extends along the second direction X, and the second plate 142 extends along the third direction Z.

[0103] The first plate 141 is provided with a first mounting hole 141a, and the mounting hole is provided with a second mounting hole 132a. The first support member 14 and the mounting block 132 are connected and fixed via a connecting member passing through the first mounting hole 141a and the second mounting hole 132a. The connecting member can be a bolt, a screw, or the like.

[0104] Please refer to Figure 2 、 Figure 7 and Figure 8Some of the first support members 14 are arranged opposite to each other in pairs, and the two ends of the second support member 15 are respectively connected to the two oppositely arranged first support members 14, so that the second support member 15 is installed on the first support member 14, thereby realizing the adjustment of the position of the second support member 15 on the base 11 along the first direction Y and the second direction X.

[0105] Among the multiple first support members 14, some of the first support members 14 may be arranged in pairs, or three or more first support members 14 may be arranged along the first direction Y or the second direction X. The distribution of the first support members 14 can be set according to actual conditions and is not limited in this embodiment.

[0106] It should be noted that some of the first support members 14 may not be connected to the second support member 15, and may support and connect to cooling components in the cooling system. Specific settings may be made based on actual conditions and are not limited in this embodiment.

[0107] Further, please refer to Figure 7 and Figure 8 The second plate 142 is provided with a plurality of evenly distributed third mounting holes 142a. Of the two opposing second plates 142, one serves as a first support plate, and the other serves as a second support plate. One end of the second support member 15 can pass through the third mounting hole 142a of the first support plate and connect to the third mounting hole 142a of the other second support plate, thereby enabling the second support member 15 to be mounted on the two opposing first support frames. Furthermore, along the third direction Z, the second support member 15 can engage with any of the third mounting holes 142a, allowing the position of the second support member 15 on the base 11 to be adjusted along the third direction Z.

[0108] Please continue to refer to Figure 7 and Figure 8 In some embodiments, the second support member 15 may be a metal rod structure, and the third mounting holes 142a are circular holes that mate with the metal rods. Multiple third mounting holes 142a are evenly distributed on the second plate 142. When the second support member 15 is a metal rod structure, at least two metal rods are installed in the two opposing first support members 14 to ensure that the second support member 15 can provide support and the cooling portion can be installed on the second support member 15. The number of metal rods on the two opposing first support members 14 can be two, three, four, five, etc. The specific number can be set according to actual circumstances and is not limited in this embodiment.

[0109] Part of the structure of the metal rod is provided with an external thread 151, the third mounting hole 142a is provided with an internal thread, and the second support member 15 and the third mounting hole 142a are threadedly matched to prevent the metal rod from detaching from the first support member 14.

[0110] Furthermore, one end of the metal rod is provided with a limiting portion 152 that limits the metal rod from completely passing through the third mounting hole 142a. After the other end of the metal rod passes through the third mounting hole 142a, it can be threadedly engaged with the limiting member 16. That is, after the one end of the metal rod with the external thread 151 passes through the third mounting holes 142a of the two first support members 14 in sequence, the limiting portion 152 can abut against one first support member 14, limiting the metal rod from completely passing through the third mounting hole 142a. At this time, the limiting member 16 can be installed on the metal rod, and the limiting member 16 abuts against the other first support member 14, limiting the second support member 15 from being separated from the two first support members 14, thereby ensuring the stability of the connection between the first support member 14 and the second support member 15. In addition, by moving the distance between the two relatively arranged first support members 14, the length of the second support member 15 located between the two relatively arranged first support members 14 can be adjusted, so that the second support member 15 can be compatible with supporting different cooling components.

[0111] It should be noted that when the cooling component is arranged on the second support member 15, the two first support members 14 arranged opposite to each other can also support the cooling component, thereby ensuring the stability of the cooling system arrangement.

[0112] The limiting member 16 may be a nut.

[0113] Alternatively, in some embodiments, the second support member 15 may be a metal plate, and the third mounting hole 142a is a square hole that matches the second support member 15. The plurality of third mounting holes 142a are sequentially distributed along the third direction Z on the second plate 142.

[0114] Please continue to refer to Figure 7 and Figure 8 The first support member 14 is provided with a reinforcing plate 143, which is connected to both the first plate 141 and the second plate 142. The reinforcing plate 143 can have a triangular structure, with one right-angled side of the reinforcing plate 143 connected to the first plate 141 and the other right-angled side connected to the second plate 142. The reinforcing plate 143 and the first and second plates 141, 142 can be welded or adhesively connected. By providing the reinforcing plate 143 in this embodiment, the structural strength of the first support member 14 is enhanced, thereby ensuring the support effect of the first support member 14.

[0115] In this embodiment, the test bench 1 is not provided with grooved steel or through-hole plates, but with flexibly configured guide rods, which can effectively reduce the weight of the test bench 1 and facilitate the arrangement of cooling systems for different vehicle models.

[0116] Please continue to refer to Figure 2 The test bench 1 further includes a water receiving tray 17, which is detachably mounted on the base 11. The water receiving tray 17 is disposed below the first movable assembly 12 and is used to receive coolant leaked from the cooling system.

[0117] In this embodiment, a drain pan 17 is mounted below the first movable assembly 12. If coolant leaks from the cooling system, the coolant is collected in the drain pan 17. Receiving the coolant in the drain pan 17 effectively prevents the test bench 1 from being difficult to clean. The drain pan 17 is detachably mounted on the base 11, allowing for easy removal and disposal of the coolant.

[0118] The water collecting tray 17 may be provided with a push-pull guide rail, and the base 11 may be provided with a push-pull slider. By cooperating with the push-pull slider and the push-pull guide rail, the water collecting tray 17 may be installed on the base 11 and may be easily removed from the base 11.

[0119] Furthermore, the test bench 1 further includes a drain valve 18. In this case, the water receiving tray 17 can be slightly tilted. The drain valve 18 is installed at the bottom of the lowest position of the water receiving tray 17 and is connected to the water receiving tray 17. The coolant in the water receiving tray 17 can be directly discharged by opening the drain valve 18.

[0120] Please continue to refer to Figure 2 The test bench 1 also includes universal wheels 19, which are mounted on the bottom of the base 11 to facilitate the movement of the test bench. The universal wheels 19 are retractable and can be lowered when the test bench 1 needs to be moved. When the test bench 1 does not need to be moved, the universal wheels 19 can be folded up to ensure the stability of the test bench 1.

[0121] Please continue to refer to Figure 2 The base 11 is formed by assembling profiles, and a drawer 112 is installed in the middle part of the base 11. The drawer 112 can store test consumables and other equipment.

[0122] The above description is merely a preferred embodiment of the present application and is not intended to limit the present application. Various modifications and variations are possible for those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present application shall be included within the scope of protection of the present application.

Claims

1. A cooling system test bench, characterized in that: The cooling system test bench (1) comprises: Base (11); A plurality of first moving components (12) are mounted on the base (11) and are capable of moving relative to the base (11) along a first direction (Y); a plurality of second moving assemblies (13), mounted on the first moving assembly (12) and capable of moving relative to the first moving assembly (12) along a second direction (X); A plurality of first support members (14) mounted on the second moving assembly (13); a plurality of second support members (15), mounted on the first support member (14) and capable of moving along a third direction (Z) relative to the first support member (14), the plurality of second support members (15) being used to support the cooling system; The first direction (Y), the second direction (X) and the third direction (Z) are all perpendicular to each other.

2. The cooling system test bench according to claim 1, characterized in that: The base (11) is provided with a first guide rod (111) extending along the first direction (Y); The first moving assembly (12) comprises a first slider (121) and a second guide rod (122) extending along the second direction (X), and the second guide rod (122) is mounted on the first slider (121); The first sliding block (121) is mounted on the first guide rod (111) and is movable along the first guide rod (111).

3. The cooling system test bench (1) according to claim 2, characterized in that The second moving assembly (13) includes a second sliding block (131) and a mounting block (132); The second sliding block (131) is mounted on the second guide rod (122) and is movable along the second guide rod (122); The mounting block (132) is mounted on the second sliding block (131), and the first supporting member (14) is mounted on the mounting block (132).

4. The cooling system test bench according to claim 3, characterized in that: The first support member (14) comprises a first plate (141) and a second plate (142) connected vertically, the first plate (141) extending along the second direction (X), and the second plate (142) extending along the third direction (Z); The first plate (141) is provided with a first mounting hole (141a), and the mounting block (132) is provided with a second mounting hole (132a); The first support member (14) and the mounting block (132) are connected and fixed via a connecting member passing through the first mounting hole (141a) and the second mounting hole (132a).

5. The cooling system test bench according to claim 4, characterized in that: Some of the first support members (14) are arranged opposite to each other in pairs, and two ends of the second support member (15) are respectively connected to the two oppositely arranged first support members (14).

6. The cooling system test bench according to claim 5, characterized in that: The second plate (142) is provided with a plurality of evenly distributed third mounting holes (142a); Of the two second plates (142) arranged opposite to each other, one is a first support plate and the other is a second support plate; One end of the second support member (15) can pass through the third mounting hole (142a) of the first support plate and be connected to the third mounting hole (142a) of the second support plate; Furthermore, along the third direction (Z), the second support member (15) can cooperate with any of the third mounting holes (142a).

7. The cooling system test bench according to claim 6, characterized in that: The second support member (15) is a metal rod; At least two of the metal rods are installed in two first supporting members (14) that are oppositely arranged.

8. The cooling system test bench according to claim 7, characterized in that: Part of the structure of the metal rod is provided with an external thread (151); The third mounting hole (142a) is provided with an internal thread, and the second support member (15) and the third mounting hole (142a) are threadedly matched; A limiting portion (152) is provided at one end of the metal rod, and the limiting portion (152) can limit the metal rod from completely passing through the third mounting hole (142a) of the first support plate, and the other end of the metal rod can be threadedly engaged with the limiting member (16) after passing through the third mounting hole (142a) of the second support plate.

9. The cooling system test bench according to claim 4, characterized in that: The first support member (14) is provided with a reinforcing plate (143), and the reinforcing plate (143) is connected to both the first plate (141) and the second plate (142).

10. The cooling system test bench according to any one of claims 1 to 8, characterized in that: The test bench (1) further comprises a water receiving tray (17), and the water receiving tray (17) is detachably mounted on the base (11); The water receiving tray (17) is arranged below the first moving component (12), and the water receiving tray (17) is used to receive coolant leaked from the cooling system.

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