Dry-wet cycle test device for ultra-large particle size asphalt mixture
By designing an automated wet-dry cycle testing device, the problem of manually moving samples in existing technologies has been solved, enabling precise wet-dry cycle testing of ultra-large particle size asphalt mixtures and improving the standardization and accuracy of the test.
Patent Information
- Application Number
- CN202423038524.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-10
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-10
AI Technical Summary
Existing wet-dry cycle testing equipment requires manual handling of samples, which is cumbersome and affects the accuracy of test results.
A wet-dry cycle test device for ultra-large particle size asphalt mixture was designed, which includes a wet-dry chamber, a water tank, a water pump, a solenoid valve, a liquid level sensor and a timer switch. The wet-dry cycle operation of the sample is realized through automated control to avoid human error.
It achieves precise control of the wet and dry cycle, automates water injection and drainage operations, improves the standardization and accuracy of the test, and is suitable for water damage testing of ultra-large particle size asphalt mixtures and other building materials.
Smart Images
Figure CN223581962U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a test device, especially a super large particle size asphalt mixture dry-wet cycle test device. BACKGROUND
[0002] As a new type of asphalt pavement base, super large particle size asphalt mixture often faces severe water damage problems. In order to evaluate its water damage resistance, dry-wet cycle test is often used to simulate the influence of water on asphalt mixture under extreme weather conditions. However, the existing dry-wet cycle test equipment is a normal temperature water tank, which usually needs to manually move the sample for multiple dry-wet cycle operations, including repeatedly immersing the sample in the water tank and moving it out for drying. This not only is cumbersome, but also may affect the accuracy of the test results. SUMMARY
[0003] In view of the deficiencies in the prior art, the utility model embodiment provides a super large particle size asphalt mixture dry-wet cycle test device, which can accurately control the water injection, drainage and other processes, and avoid the problem of repeatedly moving the sample in the traditional method. To achieve the above technical purpose, the utility model embodiment adopts the technical scheme of:
[0004] The utility model embodiment provides a super large particle size asphalt mixture dry-wet cycle test device, which comprises a dry-wet box, a water tank, a base, a water pump, a water pipe, a solenoid valve, a liquid level sensor, a timing switch and a setting button.
[0005] The dry-wet box and the water tank are installed side by side on the base, and the height of the bottom of the dry-wet box is higher than the liquid level in the water tank. A water pump is arranged in the water tank, the water outlet of the water pump is connected to one end of the water pipe, and the other end of the water pipe is connected to the dry-wet box from the upper part of the side of the dry-wet box.
[0006] A solenoid valve is installed at the bottom of the side of the dry-wet box, one end of the solenoid valve is located in the dry-wet box, and the other end is communicated with the upper part of the water tank.
[0007] A liquid level sensor is further arranged on the inside of the dry-wet box.
[0008] The front of the base is provided with a timing switch and a setting button. The timing switch is used to start the water pump and open the solenoid valve at a certain time.
[0009] Further, the super large particle size asphalt mixture dry-wet cycle test device further comprises an MCU, a water pump driving circuit and a solenoid valve driving circuit.
[0010] The liquid level sensor, the timing switch and the setting button are respectively connected to the input ends of the MCU, the two output ends of the MCU are respectively connected to the input ends of the water pump driving circuit and the solenoid valve driving circuit, the output end of the water pump driving circuit is connected to the water pump, and the output end of the solenoid valve driving circuit is connected to the solenoid valve.
[0011] Furthermore, a clamp is also provided at the bottom of the dry and wet chamber.
[0012] Furthermore, the wet and dry boxes are mounted on a base via a bracket.
[0013] The beneficial effects of the technical solution provided by this utility model embodiment are:
[0014] 1) Precisely control the time of the wet and dry cycle to ensure the standardization of each wet and dry cycle and avoid human error.
[0015] 2) It achieves automated control, which can automatically complete operations such as water injection and drainage during the entire wet-dry cycle, avoiding the tedious process of repeatedly moving samples in traditional experiments.
[0016] 3) It has a wide range of applications, and can be used for water damage testing of ultra-large particle size asphalt mixtures, as well as for evaluating the wet and dry performance of other building materials. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of the experimental device structure in an embodiment of the present invention.
[0018] Figure 2 This is an electrical schematic diagram of the test device in an embodiment of this utility model. Detailed Implementation
[0019] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain this utility model and are not intended to limit this utility model.
[0020] like Figure 1 As shown in the figure, the present invention proposes a dry-wet cycle test device for ultra-large particle size asphalt mixture, including a dry-wet chamber 1, a water tank 2, a base 3, a water pump 4, a water pipe 5, a solenoid valve 6, a liquid level sensor 7, a timer switch 8, and a setting button 9.
[0021] The wet and dry chamber 1 and the water tank 2 are installed side by side on the base 3. The bottom of the wet and dry chamber 1 is higher than the liquid level in the water tank 2. A water pump 4 is provided in the water tank 2. The outlet of the water pump 4 is connected to one end of a water pipe 5. The other end of the water pipe 5 enters the wet and dry chamber 1 from the upper side of the wet and dry chamber 1.
[0022] A solenoid valve 6 is installed on the bottom side of the wet and dry chamber 1. One end of the solenoid valve 6 is located inside the wet and dry chamber 1, and the other end is connected to the upper part of the water tank 2.
[0023] A liquid level sensor 7 is also provided on the inner side of the wet and dry chamber 1;
[0024] The base 3 is provided with a timing switch 8 and a setting button 9 in the front; the timing switch 8 is used for timing starting the water pump 4 and timing opening the electromagnetic valve 6.
[0025] As Figure 2 Embodiments of the utility model provide a kind of super large particle size asphalt mixture dry-wet cycle test device, it further includes MCU, water pump drive circuit, electromagnetic valve drive circuit;
[0026] The liquid level sensor 7, timing switch 8 and setting button 9 are connected respectively the input end of each MCU, the input end of water pump drive circuit and the input end of electromagnetic valve drive circuit are connected respectively two output ends of MCU, the output end of water pump drive circuit is connected water pump 4, and the output end of electromagnetic valve drive circuit is connected electromagnetic valve 6.
[0027] Through timing switch 8, it can set the soaking period and drying period, and carry out multiple dry-wet cycle test;Soaking period and drying period can be set to 12 hours respectively.
[0028] More preferably, the bottom of the dry-wet box 1 is also provided with a clamp 10;The clamp 10 is used to clamp the sample.
[0029] In a specific embodiment, the dry-wet box 1 is installed on the base 3 through the support 11, so that the dry-wet box 1 is higher than the water tank 2.
[0030] Embodiment one:
[0031] 1) Place the super large particle size asphalt mixture sample in the dry-wet box 1, and fix the position by the clamp 10;
[0032] 2) Set the soaking period and drying period by timing switch 8, for example, set to 12 hours respectively;
[0033] 3) Set the dry-wet cycle test number by setting button 9, for example, 8 times;
[0034] 4) Start the water pump 4, inject the water in the water tank 2 into the dry-wet box 1, and when the liquid level sensor 7 senses that the water level reaches the predetermined height, the MCU controls the water pump 4 to stop water injection;At this time, the sample is completely soaked in the water in the dry-wet box 1;
[0035] 5) After the sample is soaked for 12 hours, the MCU controls the electromagnetic valve 6 to open, and the water in the dry-wet box 1 is discharged into the water tank 2, so that the test water can be recycled;When the liquid level sensor 7 senses that the water level in the dry-wet box 1 is 0, the electromagnetic valve 6 is closed;
[0036] 6) After the sample is dried for 12 hours, the MCU controls the water pump 4 to start again for the next dry-wet cycle test.
[0037] The water pump driving circuit and the electromagnetic valve driving circuit in the embodiment can adopt conventional circuits in the prior art.
[0038] Finally, it should be noted that the above specific embodiments are only used to illustrate the technical solutions of the present application and are not limiting. Although the present application has been described in detail with reference to the embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present application, and all should be covered in the scope of the claims of the present application.
Claims
1. A wet-dry cycle test device for ultra-large particle size asphalt mixtures, characterized in that, Includes a wet and dry chamber (1), a water tank (2), a base (3), a water pump (4), water pipes (5), a solenoid valve (6), a liquid level sensor (7), a timer switch (8), and a setting button (9); The wet and dry box (1) and the water tank (2) are installed side by side on the base (3). The bottom of the wet and dry box (1) is higher than the liquid level in the water tank (2). A water pump (4) is provided in the water tank (2). The outlet of the water pump (4) is connected to one end of a water pipe (5). The other end of the water pipe (5) is inserted into the wet and dry box (1) from the upper side of the wet and dry box (1). A solenoid valve (6) is installed on the bottom side of the wet and dry box (1). One end of the solenoid valve (6) is located inside the wet and dry box (1), and the other end is connected to the upper part of the water tank (2). A liquid level sensor (7) is also provided on the inner side of the wet and dry chamber (1); The base (3) has a timer switch (8) and a setting button (9) on the front; the timer switch (8) is used to start the water pump (4) and open the solenoid valve (6) at a time.
2. The wet-dry cycle test device for ultra-large particle size asphalt mixture as described in claim 1, characterized in that, It also includes an MCU, a water pump drive circuit, and a solenoid valve drive circuit; The liquid level sensor (7), timer switch (8) and setting button (9) are respectively connected to the input terminals of the MCU. The two output terminals of the MCU are respectively connected to the input terminals of the water pump drive circuit and the solenoid valve drive circuit. The output terminal of the water pump drive circuit is connected to the water pump (4), and the output terminal of the solenoid valve drive circuit is connected to the solenoid valve (6).
3. The dry-wet cycle test device for ultra-large particle size asphalt mixture as described in claim 1, characterized in that, The bottom of the dry and wet box (1) is also equipped with a clamp (10).
4. The dry-wet cycle test device for ultra-large particle size asphalt mixture as described in claim 1, characterized in that, The dry and wet box (1) is mounted on the base (3) via a bracket (11).