Experimental device and test method for engine step heat balance

Abstract

The present invention discloses an experimental device and method for engine step thermal balance, the experimental device includes at least two clips, a crossbeam, a latch slot, at least two latches and a windshield. At least two clips are arranged on the radiator of the engine at a certain distance; the crossbeam is arranged between at least two clips; the latch slot is arranged on the same side of at least two clips and is located on the windward side of the radiator; at least two latches are inserted into the latch slot in a front-to-back overlapping manner, and at least two latches can freely move horizontally in the latch slot; the windshield is detachably arranged on at least two latches, and the windshield can partially block the windward side of the radiator; wherein the cross movement of at least two latches can adjust the area of ​​the windward side of the radiator blocked by the windshield. The experimental device of the present invention can realize the test verification of the matching of multiple cooling systems on the same complete vehicle or complete machine product by controlling the exposed area of ​​the windward side of the engine radiator.

Description

Technical Field

[0001] The invention relates to an experimental device and a test method for engine step heat balance. Background Art

[0002] In the development of existing engine cooling system supporting verification, the engine has uncertainties due to factors such as the purpose of the supporting vehicle model and spatial layout. Therefore, in order to determine the cooling effect of each model, it is necessary to conduct thermal balance tests on different models. After the assembly is completed, the matching relationship between the engine and its cooling system needs to be verified, so it is necessary to conduct a thermal balance test of the whole vehicle for verification. If the engine is equipped with many models, with a wide range of uses and different sizes, then different vehicle supporting products need to undergo thermal balance tests, which consumes a lot of resources and has low verification efficiency.

[0003] The information disclosed in this background technology section is only intended to enhance the understanding of the overall background of the invention and should not be regarded as an acknowledgment or any form of suggestion that the information constitutes the prior art already known to a person skilled in the art. Summary of the invention

[0004] The object of the present invention is to provide an experimental device for engine step thermal balance, which can realize test verification of matching of multiple cooling systems on the same complete vehicle or complete machine product by controlling the exposed area of ​​the windward surface of the engine radiator.

[0005] To achieve the above-mentioned purpose, the present invention provides an experimental device for engine step thermal balance, comprising at least two clips, a crossbeam, a latch slot, at least two latches and a windshield. At least two clips are arranged on the radiator of the engine at a certain distance; the crossbeam is arranged between at least two clips; the latch slot is arranged on the same side of at least two clips and is located on the windward side of the radiator; at least two latches are inserted into the latch slot in a front-to-back manner, and at least two latches can freely move horizontally in the latch slot; the windshield is detachably arranged on at least two latches, and the windshield can partially block the windward side of the radiator; wherein the cross-movement of at least two latches can adjust the area of ​​the windward side of the radiator blocked by the windshield.

[0006] In a preferred embodiment, each clip includes a front clip and a rear clip. The front clip has a fitting portion; the rear clip has an embedded portion, which is inserted into the fitting portion and can move in the embedded portion; wherein the movement of the embedded portion in the fitting portion can control the clamping thickness of the clip.

[0007] In a preferred embodiment, the length of the crossbeam is adjustable, and the length of the crossbeam is adjusted to control the distance between the clips.

[0008] In a preferred embodiment, the engaging portion of the rear clip is provided with a screw hole for locking the embedded portion in the engaging portion by means of a locking screw.

[0009] In a preferred embodiment, the width of the wind shield is smaller than the width of the windward surface of the radiator, and the length of the wind shield is not smaller than the height of the windward surface of the radiator.

[0010] Another object of the present invention is an experimental method for engine step thermal balance, which uses the aforementioned experimental device and is characterized in that the experimental method includes the following steps: clamping two clips on the upper edge of the engine radiator at a certain distance; adjusting the distance between the front clip and the rear clip of each clip so that each clip clamps the radiator, and adjusting the length of the crossbeam to adapt to the distance between the two clips; inserting two pins into the pin slots in a front-to-back manner; installing a windshield on each pin; and adjusting the positions of the two pins to control the area of ​​the windward surface of the radiator blocked by the windshield, and recording the experimental data.

[0011] Compared with the prior art, the experimental device and test method for engine step heat balance of the present invention have the following beneficial effects: by controlling the windward area of ​​the radiator, the test verification of the matching of multiple cooling systems can be realized on the same complete vehicle / complete machine product. At the same time, the test method and conditions are provided for the heat balance temperature of the engine with different degrees of radiator blockage. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 is a schematic diagram of the three-dimensional structure of an experimental device according to an embodiment of the present invention;

[0013] Figure 2 is a schematic front view of an experimental device according to an embodiment of the present invention;

[0014] Figure 3 is a schematic top view of an experimental device according to an embodiment of the present invention;

[0015] Figure 4 is a right side schematic diagram of an experimental device according to an embodiment of the present invention;

[0016] Figure 5 is a left schematic view of an experimental device according to an embodiment of the present invention;

[0017] Figure 6 2 is a schematic structural diagram of a card holder according to an embodiment of the present invention.

[0018] Description of main reference numerals:

[0019] 1-clip, 11-front clip, 111-embedded portion, 12-rear clip, 121-embedded portion, 2-cross beam, 3-pin slot, 4-pin, 5-wind shield, 6-screw hole, 7-radiator, 8-locking screw. DETAILED DESCRIPTION

[0020] The specific implementation modes of the present invention are described in detail below in conjunction with the accompanying drawings, but it should be understood that the protection scope of the present invention is not limited by the specific implementation modes.

[0021] Unless explicitly stated otherwise, throughout the specification and claims, the term “comprise” or variations such as “include” or “comprising”, etc., will be understood to include the stated elements or components but not to exclude other elements or components.

[0022] like Figures 1 to 5 As shown, an experimental device for engine step thermal balance according to a preferred embodiment of the present invention includes at least two clamps 1, a crossbeam 2, a latch slot 3, at least two latches 4, a windshield 5 and other components.

[0023] like Figure 6 As shown, in some embodiments, at least two clips 1 are arranged on the radiator 7 of the engine at a certain distance. Each clip 1 includes a front clip 11 and a rear clip 12. The front clip 11 has a fitting portion 111; the rear clip 12 has an embedded portion 121, which is inserted into the fitting portion 111 and can move in the embedded portion 121; wherein the movement of the embedded portion 121 in the fitting portion 111 can control the clamping thickness of the clip 1, so as to adapt to installation on radiators 7 of different specifications. The fitting portion 111 of the rear clip 12 is provided with a screw hole 6, which is used to lock the embedded portion 121 in the fitting portion 111 through a locking screw 8.

[0024] In some embodiments, the crossbeam 2 is disposed between at least two clips 1. The length of the crossbeam 2 can be adjusted, and the length of the crossbeam 2 is adjusted to control the spacing between the clips 1. The length adjustment structure of the crossbeam 2 of this embodiment adopts an embedded adjustment method similar to the adjustment structure of the clip 1, but the present invention is not limited thereto, and any adjustment method that can conveniently adjust the length and can be locked can be applied to the present invention. The setting of the crossbeam 2 is mainly to make the stability of the experimental device better. In some embodiments, if the experimental space is limited, the crossbeam 2 can also be disassembled and not used, which in principle does not affect the use of the present invention.

[0025] Please refer to Figures 1 to 5In some embodiments, the latch slot 3 is arranged on the same side of at least two clips 1 and is located on the windward side of the radiator 7. The latch slot 3 of this embodiment is arranged on the front clip 11 or the rear clip 12 of the clip in a rectangular structural frame. The front clip 11 and the rear clip 12 are only located on the windward side of the radiator 7 during installation, but the latch slot 3 must be arranged on the windward side of the radiator 7. At least two latches 4 are inserted into the latch slot 3 in a front-to-back overlapping manner, and at least two latches 4 can freely move horizontally in the latch slot 3.

[0026] In some embodiments, the windshield 5 is detachably arranged on at least two latches 4, and the windshield 5 can partially block the windward surface of the radiator 7. The cross movement of at least two latches 4 can adjust the area of ​​the windward surface of the radiator 7 blocked by the windshield 5. The width of the windshield 5 is smaller than the width of the windward surface of the radiator 7, and the length of the windshield 5 is not less than the height of the windward surface of the radiator 7. In some embodiments, the width of the windshield 5 can have a variety of specifications to meet the needs of different test conditions, but the maximum width of each windshield 5 is preferably not greater than half the width of the windward surface of the radiator 7.

[0027] According to a preferred embodiment of the present invention, an experimental method for engine step thermal balance is provided, which uses the aforementioned experimental device to conduct experiments, and the experimental method includes the following steps: clamping two clips 1 on the upper edge of the engine radiator 7 at a certain distance; adjusting the distance between the front clip 11 and the rear clip 12 of each clip 1 so that each clip 1 clamps the radiator 7, and adjusting the length of the crossbeam 2 to adapt to the distance between the two clips 1; inserting two pins 4 into the pin slot 3 in a front-to-back manner; installing a windshield 5 on each pin 4; and adjusting the positions of the two pins 4 to control the area of ​​the windward surface of the radiator 7 blocked by the windshield 5, and recording the experimental data.

[0028] In summary, the experimental device and test method for engine step thermal balance of the present invention have the following advantages: by realizing the control of the windward area of ​​the radiator, the test verification of the matching of multiple cooling systems can be realized on the same complete vehicle / complete machine product. At the same time, the test method and conditions are provided for the thermal balance temperature of the engine with different degrees of radiator blockage. Furthermore, the windward surface shielding can be adjusted in real time according to the actual size of the radiator, and it is convenient to quickly and accurately measure the actual windshield area.

[0029] The foregoing description of specific exemplary embodiments of the present invention is for the purpose of illustration and demonstration. These descriptions are not intended to limit the present invention to the precise form disclosed, and it is clear that many changes and variations can be made based on the above teachings. The purpose of selecting and describing the exemplary embodiments is to explain the specific principles of the present invention and its practical application, so that those skilled in the art can realize and utilize various different exemplary embodiments of the present invention and various different selections and changes. The scope of the present invention is intended to be limited by the claims and their equivalents.

Claims

1. An experimental method for engine step thermal balance, which uses an experimental device for engine step thermal balance to conduct experiments, characterized in that: The experimental device includes: Two clips are arranged on the radiator of the engine at a certain distance; a crossbeam disposed between the two clamps; A latch slot, which is arranged on the same side of the two clips and located on the windward side of the radiator; At least two latches are inserted into the latch slot in a front-to-back manner, and the at least two latches can freely move horizontally in the latch slot; and A windshield, which is detachably arranged on the at least two latches, and the windshield can partially shield the windward surface of the radiator; The exposed area of ​​the windward surface of the radiator can be controlled by cross-moving the at least two latches; The width of the windshield is not greater than half the width of the windward surface of the radiator, and the length of the windshield is not less than the height of the windward surface of the radiator; Each of the clips comprises: a front clip having an engaging portion; and a rear clip having an embedding portion, the embedding portion being inserted in the embedding portion and being movable in the embedding portion; wherein the movement of the embedded portion within the engaging portion can control the engaging thickness of the clip; The experimental method comprises the following steps: The two clamps are clamped on the upper edge of the radiator of the engine at a certain distance; Adjusting the distance between the front clip and the rear clip of each of the clips so that each of the clips clamps the radiator, and adjusting the length of the crossbeam to adapt to the distance between the two clips; Insert the two latches into the latch slots one on top of the other; Attaching a wind deflector to each of said latches; and The positions of the two latches are adjusted to control the area of ​​the windward surface of the radiator blocked by the wind shield, and the experimental data are recorded.

2. The experimental method for engine step heat balance as claimed in claim 1, characterized in that: The length of the crossbeam is adjustable, and the length of the crossbeam is adjusted to control the distance between the clips.

3. The experimental method for engine step heat balance as claimed in claim 1, characterized in that: The embedding portion of the rear clip is provided with a screw hole, which is used to lock the embedding portion in the embedding portion by a locking screw.

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