Cooling water drainage mechanism of new energy power offline test bed
By designing a cooling water circulation system driven by compressed air, the problem of cooling water drainage on the test bench of the new energy powertrain is solved, automatic drainage is achieved, cost is reduced and maintenance problems is avoided, and the test efficiency is significantly improved. Economic benefits.
Patent Information
- Application Number
- CN202323597268.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-27
- Publication Date
- 2024-12-17
- Estimated Expiration
- 2033-12-27
AI Technical Summary
After the test of the existing new energy powertrain downline test bench, the cooling water in the motor and controller is difficult to discharge, resulting in manual drainage and waste of labor. The method of renovating the water pump is expensive and may cause maintenance problems.
A cooling water drainage mechanism of a new energy power downline test bench was designed, and the cooling water was driven to circulate through the outlet pipe and the inlet pipe with compressed air, combined with a discharge water tank and an air filter to realize the automatic return of the cooling water to the water cooling machine. Avoid changes to the pump structure.
It realizes automatic drainage of cooling water, saves labor costs, and avoids maintenance problems that may be caused by water pump transformation, and has good economic benefits.
Smart Images
Figure CN222188816U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of off-line testing of new energy powertrains, and relates to a cooling water drainage mechanism for a new energy power off-line testing platform. Background Art
[0002] With the rapid development of new energy vehicles, it plays a very important role in expanding new markets and developing new industrial directions, and plays a far-reaching role in the development direction of the automotive industry. In order to ensure product performance, its product quality requirements are particularly important, and the product end-of-line test is the last step to ensure product quality before the product leaves the factory. Therefore, before the product leaves the factory, the end-of-line test needs to be carried out on the product.
[0003] During the off-line test of the existing new energy powertrain off-line test bench, cooling water needs to be supplied to its motor and motor controller through a water cooler to ensure the stability and safety of the product operation. However, the existing water cooler can only supply water through a water pump and has no return water function, which results in cooling water remaining in its motor and controller after the product is offline, which has a great impact on the subsequent product shipment and packaging. In addition, manual drainage is required after the product is offline, which will cause a waste of manpower.
[0004] Most manufacturers solve this problem by modifying the water pump, which is a costly method. In addition, the water pump is inside the water cooler. After the water pump is modified, it will cause problems in the later maintenance of the water cooler. Utility Model Content
[0005] The utility model aims to solve the technical problem in the prior art that cooling water in a motor and a controller is difficult to discharge after water is supplied by a water cooler, and to provide a cooling water drainage mechanism for a new energy power offline test bench.
[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0007] The utility model provides a cooling water drainage mechanism for a new energy power offline test bench, comprising a water cooler and an air pipe; the water outlet of the water cooler is connected to a water outlet pipe, and the water inlet of the water cooler is connected to a water inlet pipe; a pressure relief water tank is arranged on one side of the water cooler, and an air filter is arranged on the top of the pressure relief water tank; the bottom of the pressure relief water tank is respectively connected to a first water pipe and a second water pipe; the first water pipe and the second water pipe are both connected to the water inlet pipe at the water inlet of the water cooler; one end of the air pipe is connected to a compressed air source, and the other end is connected to the water outlet pipe.
[0008] Furthermore, the air pipe includes a first air pipe and a second air pipe connected in sequence; one end of the second air pipe is externally connected to a factory compressed air source; and one end of the first air pipe is connected to a water outlet pipe.
[0009] Furthermore, a solenoid valve is provided at the connection between the first air pipe and the second air pipe.
[0010] Furthermore, the water outlet of the water cooler, the first air pipe and the water outlet pipe are connected by a first three-way joint; a second three-way joint and a third three-way joint are successively arranged between the water inlet of the water cooler and the water inlet pipe; the second three-way joint is connected to the first water pipe; and the third three-way joint is connected to the second water pipe.
[0011] Furthermore, a first valve is arranged between the water outlet of the water cooler and the first three-way joint; a second valve is arranged between the second water pipe and the third three-way joint; a third valve is arranged between the first water pipe and the second three-way joint; a fourth valve is arranged between the second three-way joint and the third three-way joint; and an air circuit one-way valve is arranged between the first air pipe and the first three-way joint.
[0012] Furthermore, the first valve, the second valve, the third valve and the fourth valve are all ball valves.
[0013] Furthermore, a bracket is provided at the bottom of the pressure relief water tank; the bracket includes four vertically arranged support rods, and a plurality of cross bars are horizontally arranged between each of the support rods.
[0014] Furthermore, a foot base is connected to the bottom of the support rod; the foot base is an L-shaped structure.
[0015] Furthermore, the connection between the footrest and the support rod is welding or bolt connection.
[0016] Compared with the prior art, the utility model has the following beneficial effects:
[0017] The utility model discloses a cooling water drainage mechanism for a new energy power offline test bench, which is connected to a compressed air source of a factory through a second air pipe. Water flows under the action of the compressed air. The compressed air and the cooling water under the action of the compressed air enter the product through a water outlet pipe, and after passing through an internal water channel of the product, flow into a water inlet pipe, pass through a second ball valve, and enter a pressure relief water tank through a second water pipe. In the pressure relief water tank, the compressed air enters the atmosphere through an air filter, and the cooling water flows through the first water pipe under the action of gravity, enters the second three-way joint, and returns to the water cooler, thereby achieving the purpose of draining the new energy power assembly product. The utility model uses air blowing to drain water, and the water return function can be realized without changing the structure of the water pump. It saves costs and has good economic benefits. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.
[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0020] Figure 2 This is the water supply principle diagram of the utility model;
[0021] Figure 3 This is the drainage principle diagram of the utility model.
[0022] Among them: 1- water cooler; 2- air filter; 3- pressure relief water tank; 4- bracket; 5- first water pipe; 6- solenoid valve; 7- second air pipe; 8- first air pipe; 9- air circuit one-way valve; 10- second water pipe; 11- foot seat; 12- first valve; 13- second valve; 14- third valve; 15- fourth valve; 16- water inlet pipe; 17- water outlet pipe; 18- first three-way joint; 19- second three-way joint; 20- third three-way joint. DETAILED DESCRIPTION
[0023] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.
[0024] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0025] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.
[0026] In the description of the embodiments of the present utility model, it should be noted that if the terms "upper", "lower", "horizontal", "inner", etc. indicate an orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship in which the utility model product is usually placed when in use, it is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.
[0027] In addition, if the term "horizontal" appears, it does not mean that the component must be absolutely horizontal, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", which does not mean that the structure must be completely horizontal, but can be slightly tilted.
[0028] In the description of the embodiments of the present utility model, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.
[0029] The utility model is further described in detail below with reference to the accompanying drawings:
[0030] See also Figure 1 The embodiment of the utility model discloses a cooling water drainage mechanism for a new energy power offline test bench, which is characterized in that it includes a water cooler 1 and an air pipe; the water outlet of the water cooler 1 is connected to a water outlet pipe 17, and the water inlet of the water cooler 1 is connected to a water inlet pipe 16; a pressure relief water tank 3 is arranged on one side of the water cooler 1, and an air filter 2 is arranged on the top of the pressure relief water tank 3; the bottom of the pressure relief water tank 3 is respectively connected to a first water pipe 5 and a second water pipe 10; the first water pipe 5 and the second water pipe 10 are both connected to the water inlet pipe 16 at the water inlet of the water cooler 1; one end of the air pipe is connected to a compressed air source, and the other end is connected to the water outlet pipe 17.
[0031] In a feasible embodiment of the utility model, the air pipe includes a first air pipe 8 and a second air pipe 7 connected in sequence; one end of the second air pipe 7 is connected to a factory compressed air source; one end of the first air pipe 8 is connected to a water outlet pipe 17. A solenoid valve 6 is provided at the connection between the first air pipe 8 and the second air pipe 7.
[0032] In a feasible embodiment of the utility model, the water outlet of the water cooler 1, the first air pipe 8 and the water outlet pipe 17 are connected by a first three-way joint 18; a second three-way joint 19 and a third three-way joint 20 are sequentially arranged between the water inlet of the water cooler 1 and the water inlet pipe 16; the second three-way joint 19 is connected to the first water pipe 5; and the third three-way joint 20 is connected to the second water pipe 10.
[0033] In a feasible implementation manner of the utility model, a first valve 12 is arranged between the water outlet of the water cooler 1 and the first three-way joint 18; a second valve 13 is arranged between the second water pipe 10 and the third three-way joint 20; a third valve 14 is arranged between the first water pipe 5 and the second three-way joint 19; a fourth valve 15 is arranged between the second three-way joint 19 and the third three-way joint 20; and an air circuit one-way valve 9 is arranged between the first air pipe 8 and the first three-way joint 18.
[0034] In a feasible implementation manner of the present invention, the first valve 12, the second valve 13, the third valve 14 and the fourth valve 15 are all ball valves.
[0035] In a feasible implementation manner of the present invention, a support 4 is further provided at the bottom of the depressurized water tank 3; the support 4 includes four vertically arranged support rods, and a plurality of cross bars are horizontally arranged between the support rods.
[0036] In a feasible implementation of the utility model, the bottom of the support rod is connected to a foot seat 11; the foot seat 11 is an L-shaped structure. The connection between the foot seat 11 and the support rod is welding or bolt connection.
[0037] The working process of the utility model is as follows:
[0038] 1) Product water supply: see Figure 2 Before starting the water cooler 1, the first valve 12 and the fourth valve 15 are opened, the second valve 13 and the third valve 14 are closed, and the water cooler 1 is started by closing the solenoid valve 6. In this case, the water flows to Figure 2 As indicated by the arrow.
[0039] The cooling water flows out of the water cooler 1, passes through the first valve 12, flows through the first three-way joint 18, flows through the water outlet pipe 17, then enters the product, passes through the internal water channel of the product, flows through the water inlet pipe 16, flows through the third three-way joint 20 and the second three-way joint 19 in sequence, and finally returns to the water cooler 1 through the fourth valve 15.
[0040] 2) Product drainage: see Figure 3Before starting to drain water, first turn off the water chiller 1, close the first valve 12 and the fourth valve 15, open the second valve 13 and the third valve 14, connect the second air pipe 7 to the factory compressed air source, and control the solenoid valve 6. In this case, the air circuit is as follows Figure 3 As shown by the solid arrow in the middle, water flows under the action of compressed air, and the water flows in the following direction: Figure 3 Indicated by the dotted arrow.
[0041] The compressed air and the cooling water under its action flow through the first three-way joint 18, flow through the water outlet pipe 17, and then enter the product. After passing through the internal water channel of the product, it flows into the water inlet pipe 16, and then flows through the third three-way joint 20, flows through the second valve 13, flows through the second water pipe 10, and then enters the pressure relief water tank 3. In the pressure relief water tank 3, the compressed air enters the atmosphere through the air filter 2, and the cooling water flows through the first water pipe 5 under the action of gravity, enters the second three-way joint 19 and returns to the water chiller 1.
[0042] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be subject to various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims
1. A cooling water drainage mechanism for a new energy power offline test bench, characterized in that: The invention comprises a water cooler (1) and an air pipe; the water outlet of the water cooler (1) is connected to a water outlet pipe (17), and the water inlet of the water cooler (1) is connected to a water inlet pipe (16); a pressure relief water tank (3) is arranged on one side of the water cooler (1), and an air filter (2) is arranged on the top of the pressure relief water tank (3); the bottom of the pressure relief water tank (3) is respectively connected to a first water pipe (5) and a second water pipe (10); the first water pipe (5) and the second water pipe (10) are both connected to the water inlet pipe (16) at the water inlet of the water cooler (1); one end of the air pipe is connected to a compressed air source, and the other end is connected to the water outlet pipe (17).
2. The cooling water drainage mechanism of the new energy power offline test bench according to claim 1 is characterized in that: The air pipe comprises a first air pipe (8) and a second air pipe (7) connected in sequence; one end of the second air pipe (7) is externally connected to a factory compressed air source; and one end of the first air pipe (8) is connected to a water outlet pipe (17).
3. The cooling water drainage mechanism of the new energy power offline test bench according to claim 2 is characterized in that: A solenoid valve (6) is provided at the connection between the first air pipe (8) and the second air pipe (7).
4. The cooling water drainage mechanism of the new energy power offline test bench according to claim 2 is characterized in that: The water outlet of the water cooler (1), the first air pipe (8) and the water outlet pipe (17) are connected via a first three-way joint (18); a second three-way joint (19) and a third three-way joint (20) are sequentially arranged between the water inlet of the water cooler (1) and the water inlet pipe (16); the second three-way joint (19) is connected to the first water pipe (5); and the third three-way joint (20) is connected to the second water pipe (10).
5. The cooling water drainage mechanism of the new energy power offline test bench according to claim 4 is characterized in that: A first valve (12) is provided between the water outlet of the water cooler (1) and the first three-way joint (18); a second valve (13) is provided between the second water pipe (10) and the third three-way joint (20); a third valve (14) is provided between the first water pipe (5) and the second three-way joint (19); a fourth valve (15) is provided between the second three-way joint (19) and the third three-way joint (20); and a gas circuit one-way valve (9) is provided between the first gas pipe (8) and the first three-way joint (18).
6. The cooling water drainage mechanism of the new energy power offline test bench according to claim 5 is characterized in that: The first valve (12), the second valve (13), the third valve (14) and the fourth valve (15) are all ball valves.
7. The cooling water drainage mechanism of the new energy power offline test bench according to claim 6 is characterized in that: A support (4) is also provided at the bottom of the pressure relief water tank (3); the support (4) comprises four vertically arranged support rods, and a plurality of cross bars are horizontally arranged between the support rods.
8. The cooling water drainage mechanism of the new energy power offline test bench according to claim 7 is characterized in that: The bottom of the support rod is connected to a foot seat (11); the foot seat (11) is an L-shaped structure.
9. The cooling water drainage mechanism of the new energy power offline test bench according to claim 8 is characterized in that: The connection between the foot seat (11) and the support rod is welding or bolt connection.