Flow calibration device for raining equipment in automobile general assembly workshop
By designing the flow calibration device of the rainfall equipment in the automobile assembly workshop and measuring the water volume using a bench, water tank and measuring cylinder, the reliability and accuracy of the rainfall test are solved, and the simple and efficient calibration of the rainfall equipment is achieved.
Patent Information
- Application Number
- CN202422468251.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-12
- Publication Date
- 2025-07-25
- Estimated Expiration
- 2034-10-12
AI Technical Summary
The prior art lacks simple, efficient and accurate flow calibration devices for rainfall equipment, which affects the reliability and accuracy of rainfall tests.
A flow calibration device for rainfall equipment in the automobile assembly workshop was designed, including a bench, side water tank, top water tank, side hole, top hole, drain pipe and valve. The water volume is measured by measuring the cylinder and calculating the flow rate and rainfall intensity, so as to achieve simple and efficient calibration of rainfall equipment.
It improves the reliability and accuracy of rainfall testing, and ensures the accuracy and testing efficiency of rainfall equipment flow calibration.
Smart Images

Figure CN223154355U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of automobile detection, and particularly relates to a flow calibration device for a rain shower device in an automobile general assembly workshop. Background Art
[0002] In the process of implementing the present utility model, the inventor found that the prior art has at least the following problems:
[0003] In the process of automobile manufacturing, the rain shower test is an important link to ensure the sealing performance of the vehicle. To ensure the effectiveness of the rain shower test, the flow calibration of the rain shower device is crucial. At present, there is a lack of a simple, efficient and accurate flow calibration device for the rain shower device, which affects the reliability of the rain shower test.
[0004] CN116481721A - A vehicle top rain shower height adjustment device for an automobile rain shower room discloses a vehicle top rain shower height adjustment device for an automobile rain shower room, including a main frame of the device structure, which is arranged outside the main body of the rain shower room. The top of the main frame of the device structure is provided with a lead screw lifting seat, the top of the lead screw lifting seat is provided with a lifting outer cylinder, the inner side of the lead screw lifting seat is provided with a lifting module, the bottom of the lifting module is provided with a spray moving frame, and a spray water pipe is arranged on the spray moving frame. The lifting module includes a lifting lead screw, connection protrusions are arranged on both the upper and lower sides of the lifting lead screw, and a connection through rod fixed to the connection protrusion is also arranged inside the lifting lead screw, which also cannot solve the above technical problems. Summary of the Utility Model
[0005] The technical problem to be solved by the present utility model is to provide a flow calibration device for a rain shower device in an automobile general assembly workshop, which can simply and efficiently calibrate the flow of the rain shower device, solve the problems existing in the prior art, and improve the reliability and accuracy of the rain shower test.
[0006] To solve the above technical problems, the technical solution adopted by the present utility model is: A flow calibration device for a rain shower device in an automobile general assembly workshop, having:
[0007] A bench;
[0008] Side water tanks, installed on both sides of the bench;
[0009] A top water tank, installed on the top of the bench;
[0010] Side holes, provided on the side surfaces of the side water tanks;
[0011] Top openings, provided on the tops of the side water tanks;
[0012] Down pipes, provided on the side water tanks and the top water tank;
[0013] A valve is provided on the sewer pipe.
[0014] The lower ends of the side water tank and the top water tank are conical.
[0015] The sewer pipe is provided at the tip of the cone at the lower ends of the side water tank and the top water tank.
[0016] There is also a measuring cylinder which can receive the water flowing out of the sewer pipe.
[0017] Support feet are provided around the bottom of the bench.
[0018] A reinforcing beam is provided in the middle of the bench, and the reinforcing beams are arranged crosswise.
[0019] One of the above technical solutions has the following advantages or beneficial effects: a device capable of simply and efficiently calibrating the flow rate of a rain shower device, solving the problems existing in the prior art, and improving the reliability and accuracy of rain shower tests. Description of the Drawings
[0020] Figure 1 It is a schematic structural diagram of a flow rate calibration device for a rain shower device in an automobile general assembly workshop provided in an embodiment of the present invention;
[0021] Figure 2 For Figure 1 the schematic structural diagram of the flow rate calibration device for the rain shower device in the automobile general assembly workshop;
[0022] Figure 3 For Figure 1 the schematic structural diagram of the flow rate calibration device for the rain shower device in the automobile general assembly workshop;
[0023] Figure 4 For Figure 1 the schematic structural diagram of the flow rate calibration device for the rain shower device in the automobile general assembly workshop;
[0024] The markings in the above figures are all: 1, bench; 11, support feet; 12, reinforcing beam; 2, side water tank; 21, side hole; 3, top water tank; 31, top opening; 4, valve; 5, sewer pipe. Detailed Embodiments
[0025] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.
[0026] Refer to Figures 1 to 4, A flow calibration device for a rain shower equipment in an automobile final assembly workshop, having: a bench 1; the bench 1: designed according to the actual vehicle width and height, used to simulate the state of the vehicle during the rain shower test.
[0027] Side water tanks 2, installed on both sides of the bench 1; top water tank 3, installed on the top of the bench 1; side holes 21, side holes 21 are provided on the side surfaces of the side water tanks 2; top openings 31, top openings 31 are provided on the tops of the side water tanks 2; container - water tank: three separate iron rain shower containers, with the opening directions being the upper side and the left and right sides respectively, and the lower part being conical.
[0028] Down pipes 5, down pipes 5 are provided on the side water tanks 2 and the top water tank 3.
[0029] Valves 4, valves 4 are provided on the down pipes 5, arranged below the containers, used to control the discharge of water flow.
[0030] The lower ends of the side water tanks 2 and the top water tank 3 are conical. The down pipes 5 are arranged at the tips of the cones at the lower ends of the side water tanks 2 and the top water tank 3. Facilitating the outflow of water.
[0031] It also has a graduated cylinder, and the graduated cylinder can receive the water flowing out from the down pipe 5. Measuring unit: a graduated cylinder marked with scale lines, used to measure the amount of water flowing out from the valve 4.
[0032] Support feet 11 are provided around the bottom of the bench 1, playing a supporting role. A reinforcing beam 12 is provided in the middle of the bench 1, and the reinforcing beam 12 is arranged in a cross - shape, playing a role in strengthening the strength.
[0033] Data processing: directly calculate the rain shower flow rate and intensity using formulas.
[0034] Dimensions of the rain shower bench:
[0035] The length is divided into three sections: 300 mm on each of the left and right sides, and 900 mm in the middle (for placing the iron bucket on the top, with a total length of 1500 mm); width: 600 mm; the height is divided into five sections: support feet: 200 mm, support: 400 mm, height of the iron buckets on the left and right sides: 400 mm, support of the top iron bucket: 700 mm.
[0036] Rain shower iron bucket containers on the left and right sides:
[0037] Dimensions: length 300 mm, width 600 mm, height 400 mm.
[0038] Holes with a diameter of 200 mm are opened on the left and right water inlet surfaces (850 mm from the ground), facilitating water inlet detection; the bottom is a funnel - shaped square cone (height 5 mm), and a water - sealing valve with a diameter of 20 mm is installed, facilitating the statistics of the rain shower capacity.
[0039] Installation method: three hanging ears are added and directly hung up, facilitating disassembly.
[0040] Top rain-showering iron bucket container:
[0041] Dimensions: length 300mm, width 600mm, height 300mm.
[0042] Open a hole with a diameter of 200mm at the top water inlet surface for convenient water inlet detection. The bottom is set as a funnel-shaped square cone (height 5mm), and a water-sealing valve with a diameter of 20mm is installed to facilitate the statistics of the rain-showering capacity.
[0043] Installation method: Four hanging ears are added for easy hanging and disassembly, and can be moved left and right to correspond to the positions of different rain-showering valves. At the same time, electrophoretic anti-corrosion and rust-proof treatment is carried out on the above-mentioned rain-showering bench and container to prevent rust in a high-humidity environment.
[0044] Workflow:
[0045] 1. Start the rain-showering equipment and simulate the vehicle for testing on the rain-showering bench;
[0046] 2. The rain-showering container collects the rain-showering water volume, and the water flows into the measuring cylinder through the valve;
[0047] 3. The measuring cylinder measures the water volume of each container;
[0048] 4. The data processing unit calculates the flow rate and rain-showering intensity according to the water volume data;
[0049] 5. The final result is used to evaluate the performance of the rain-showering equipment and the calibration accuracy.
[0050] Specific calculation method
[0051] 1. Calculation of rain-showering volume: The water volume flowing from the container into the measuring cylinder is directly read through the scale line on the measuring cylinder.
[0052] 2. Calculation of flow rate: The rain-showering volume is divided by the area of the inlet hole to obtain the flow rate of each container.
[0053]
[0054] Among them, Q is the flow rate, V is the rain-showering volume, and A is the area of the water inlet.
[0055] 3. Calculation of flow rate: The flow rate is divided by the passing time to obtain the rain-showering intensity in each direction.
[0056]
[0057] Among them, I is the rain-showering intensity, Q is the flow rate, and t is the time.
[0058] Advantages:
[0059] 1. Simple and practical: The design is simple, easy to operate and maintain;
[0060] 2. Efficient: Quickly obtain flow rate and rain intensity data, improving the test efficiency.
[0061] 3. Accurate: Ensure the accuracy of flow rate calibration through precise measurement and calculation.
[0062] 4. Strong applicability: Applicable to various vehicle models and rain test equipment.
[0063] Instructions for use: 1. Equipment installation: Make a rain test bench according to the actual vehicle size, and install the three rain containers above, on the left, and on the right of the bench respectively. 2. System startup: Start the rain equipment, simulate the vehicle undergoing a rain test on the bench, and the containers start to collect water. 3. Data measurement: Measure the water volume data of each container through a graduated cylinder. 4. Data calculation: The data processing unit calculates the flow rate and rain intensity based on the measured data and displays the results. 5. Result analysis: Adjust and optimize the rain equipment according to the calculation results.
[0064] Through the above embodiments, the present invention provides a simple, efficient, and accurate flow rate calibration device for rain equipment, significantly improving the reliability and accuracy of rain tests, and providing a strong guarantee for quality control in the automobile manufacturing process.
[0065] After adopting the above structure, a device capable of simply and efficiently calibrating the flow rate of rain equipment is provided, solving the problems existing in the prior art and improving the reliability and accuracy of rain tests.
[0066] In the description of the present utility model, it should be understood that the orientation or positional relationships indicated by the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inner", "front", "center", "both ends", etc. are based on the orientation or positional relationships shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model.
[0067] In the present utility model, unless otherwise clearly specified and limited, the terms "installation", "setting", "connection", "fixation", "swivel connection", etc. should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication of two elements or the interaction relationship between two elements. Unless otherwise clearly limited, for those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.
[0068] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.
Claims
1. A flow calibration device for a rain shower equipment in an automobile general assembly workshop, characterized in that, Comprising: A bench; Side water tanks, installed on both sides of the bench; A top water tank, installed on the top of the bench; Side holes, provided on the sides of the side water tanks; Top openings, provided on the tops of the side water tanks; Down pipes, provided on the side water tanks and the top water tank; Valves, provided on the down pipes.
2. The flow calibration device for the rain shower equipment in the automobile general assembly workshop according to claim 1, characterized in that, The lower ends of the side water tanks and the top water tank are conical.
3. The flow calibration device for the rain shower equipment in the automobile final assembly workshop according to claim 2, characterized in that, The down pipes are provided at the tips of the cones at the lower ends of the side water tanks and the top water tank.
4. The flow calibration device for the rain shower equipment in the automobile final assembly workshop according to claim 3, characterized in that, It further comprises graduated cylinders which can receive the water flowing out of the down pipes.
5. The flow calibration device for the rain shower equipment in the automobile final assembly workshop according to claim 4, characterized in that Support feet are provided around the bottom of the bench.
6. The flow calibration device for the rain shower equipment in the automotive final assembly workshop according to claim 5, characterized in that, Reinforcing beams are provided in the middle of the bench, and the reinforcing beams are arranged crosswise.