Material flowing time detection device
By using components such as sensors and air pumps in the material flow time detection device, the precise timing and uniform flow of fine aggregates are achieved, solving the problem of poor synchronization in manual operation and ensuring the accuracy and consistency of test results.
Patent Information
- Application Number
- CN202423156838.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-19
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2034-12-19
AI Technical Summary
Manual operation makes it difficult to synchronously control the start and timing of fine aggregate flow, resulting in large errors in test results, lack of consistency and comparability, and low efficiency.
Design a material flow time detection device, including a storage bin, a discharge channel, a control valve, a sensing component, a timing component, and a pressure detection unit. The device uses sensors and an air pump to ensure that the start of flow is synchronized with the timing, and maintains constant pressure to ensure the uniformity of flow.
It improves the accuracy and consistency of test results, reduces human interference, and increases test efficiency.
Smart Images
Figure CN223955379U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of road building material's determination, especially relate to a material flow time detection device. BACKGROUND
[0002] According to the requirement of highway engineering aggregate test, the detection of fine aggregate angularity has important significance for evaluating the performance of fine aggregate in asphalt mixture. The time required for the fine aggregate to flow out of a specified volume is used to measure, however, manual operation cannot ensure that the flow opening and timing are synchronized, affecting the accuracy of the test.
[0003] The current test mainly relies on manual operation to control the start of fine aggregate flow and timing, and the operator cannot accurately perform the two actions at the same time during the operation process, resulting in a certain time difference between timing and flow start, thereby causing a large error in the test result; the randomness and inconsistency of the test sample during pouring into the funnel make the test result lack consistency and comparability; manual operation is inefficient, increasing the test time and labor cost. SUMMARY
[0004] The technical problem to be solved by the utility model lies in providing a material flow time detection device that meets the accuracy requirement of test results, can improve test efficiency, and ensures the accuracy and consistency of test results.
[0005] In order to solve the above technical problems, the utility model provides a material flow time detection device, which comprises: a storage bin for storing the material to be detected; a discharge port is arranged at the lower end of the storage bin, and the discharge port is connected with a discharge channel; a receiving box is arranged below the discharge channel; a control valve is arranged in the discharge channel for controlling the opening and closing of the discharge channel; an induction assembly is arranged in the discharge channel and below the control valve; a timing assembly is connected with the outer wall of the discharge channel, and the timing assembly is electrically connected with the induction assembly; a pressure detection unit is connected with the inner cavity of the storage bin for detecting the air pressure in the storage bin; a pressure booster is connected with the pressure detection unit and the inner cavity of the storage bin respectively; when the pressure detection unit detects that the air pressure in the storage bin is less than a specified value, the pressure in the storage bin is increased through the pressure booster.
[0006] As an improvement of the above scheme, the induction assembly comprises: a sensor arranged in the discharge channel; and a processor connected with the sensor and the timing assembly respectively.
[0007] As an improvement of the above scheme, the timing assembly comprises: a mounting bracket connected with the outer wall of the discharge channel; and a timer fixed to the mounting bracket, and the timer is electrically connected with the induction assembly.
[0008] As an improvement of the above-mentioned scheme, the timing assembly further comprises a display fixed to the mounting bracket, and the display is connected with the timer.
[0009] As an improvement of the above-mentioned scheme, the pressure booster is a gas pump, and a gas conveying pipe of the gas pump is connected with the inner cavity of the storage bin.
[0010] As an improvement of the above-mentioned scheme, the pressure detecting unit is a pressure gauge, and a detecting part of the pressure gauge extends into the inner cavity of the storage bin.
[0011] As an improvement of the above-mentioned scheme, the control valve is an electromagnetic valve.
[0012] As an improvement of the above-mentioned scheme, the storage bin comprises a main cavity and a discharging cavity communicated with a lower end of the main cavity, the discharging port is arranged on a side of the discharging cavity away from the main cavity, and a radius of a transverse section of the discharging cavity is gradually tapered from a side close to the main cavity to a side of the discharging port.
[0013] As an improvement of the above-mentioned scheme, the detecting device further comprises a housing, and the storage bin is fixed in the housing through a first fixing frame.
[0014] As an improvement of the above-mentioned scheme, a second fixing frame is further arranged on an inner wall of the housing, and the second fixing frame is connected with the storage bin.
[0015] The beneficial effects of the present application are as follows:
[0016] The present application sets the sensing assembly on the discharging channel of the storage bin, accurately senses and transmits the timing signal to the timing assembly to perform timing when the material flows out of the discharging port, closes the control valve when the material flow reaches the specified volume, completes the timing, ensures the accuracy of the test results, sets the pressure detecting unit and the pressure booster, keeps the pressure in the storage bin constant, makes the material flow more uniform, and ensures the consistency of the test results.
[0017] Further, the detecting device only needs simple loading and valve operation of the experimental personnel, does not need manual control timing, reduces the interference of human factors on the test, and improves the test efficiency. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 is a structural schematic view of a fine aggregate flow time detecting device in the present application
[0019] The reference numerals in the attached drawings are explained as follows: 100, storage bin; 110, discharge channel; 200, receiving box; 300, control valve; 400, sensor; 500, timing component; 510, mounting bracket; 520, timer; 530, display; 610, pressure gauge; 620, air pump; 700, housing; 710, first fixing bracket; 720, second fixing bracket. Detailed Implementation
[0020] To make the objectives, technical solutions and advantages of this utility model clearer, the utility model will be described in further detail below with reference to the accompanying drawings.
[0021] In this embodiment, the material whose flow time needs to be tested is fine aggregate. In the highway construction industry, the requirements for the quality of asphalt mixtures are increasingly stringent, and accurately assessing the angularity of fine aggregates is a crucial step in ensuring mixture performance. Therefore, highway engineering material testing laboratories, research institutions, and related construction companies have an urgent need for accurate and efficient fine aggregate angularity testing devices. Furthermore, with the construction industry's increasing emphasis on project quality control, this device can also be used for testing in other similar aggregate testing fields.
[0022] See Figure 1 , Figure 1 This is a schematic diagram of the structure of a fine aggregate flow time detection device in this embodiment, as shown below. Figure 1 As shown, the device includes: a storage bin 100 for storing fine aggregates to be tested; a discharge port is provided at the lower end of the storage bin 100, and the discharge port is connected to a discharge channel 110; a receiving box 200 is disposed below the discharge channel 110; a control valve 300 is disposed in the discharge channel 110 for controlling the opening and closing of the discharge channel 110; a sensing component is disposed in the discharge channel 110 and located below the control valve 300; a timing component 500 is connected to the outer wall of the discharge channel 110 and is electrically connected to the sensing component; a pressure detection unit is connected to the inner cavity of the storage bin 100 for detecting the air pressure inside the storage bin 100; and a pressurizing component is connected to both the pressure detection unit and the inner cavity of the storage bin 100. When the pressure detection unit detects that the air pressure inside the storage bin 100 is less than a specified value, the pressurizing component pressurizes the storage bin 100. By installing a sensing component on the discharge channel of the storage silo 100, when fine aggregate flows out of the discharge port, the sensing component accurately senses and transmits the timing signal to the timing component 500 for timing. When the flow rate of fine aggregate reaches the specified volume, the test personnel close the control valve 300 to complete the timing, ensuring the accuracy of the test results. At the same time, by setting up a pressure detection unit and a pressurizing component, the pressure inside the storage silo 100 is kept constant, making the flow of fine aggregate more uniform and ensuring the consistency of the test results.
[0023] Specifically, the induction assembly comprises a sensor 400 arranged in the discharge channel 110, and a processor connected with the sensor 400 and a timing assembly 500 respectively.
[0024] Further, the sensor 400 is a high-precision photoelectric sensor or a pressure sensor, and the processor is a microprocessor. The sensor 400 is installed at the starting position of the discharge channel 110. When the fine aggregate starts to flow, the sensor 400 rapidly transmits a signal to the processor. According to a preset program, the processor immediately triggers the timing device to start timing, ensuring the accurate synchronization of the flow start and the timing start, effectively eliminating the error caused by the different synchronization of manual operation, and greatly improving the accuracy of the test results.
[0025] It should be noted that, when the sensor 400 is a photoelectric sensor, the sensor 400 uses the principle of light refraction or reflection. When the aggregate starts to flow and blocks the light, an electric signal is immediately generated. When the sensor 400 is a pressure sensor, a signal is generated by sensing the pressure change caused by the flow of aggregate.
[0026] Specifically, the timing assembly 500 comprises a mounting bracket 510 connected with the outer wall of the discharge channel 110, a timer 520 fixed to the mounting bracket 510, and a display 530 fixed to the mounting bracket 510 and connected with the timer 520.
[0027] Further, the timer 520 is a high-precision electronic timer 520 with microsecond-level timing accuracy, which can accurately record the time required for the fine aggregate to flow out of a specified volume. The timer 520 is signal-connected with the processor, receives the trigger signal and starts timing. The timing data can be directly displayed on the display 530, which is convenient for the test personnel to read. The display 530 can be a liquid crystal display screen or an organic light-emitting diode display screen, which clearly displays the timing results.
[0028] Specifically, the pressure booster is a gas pump 620, and the gas delivery pipe of the gas pump 620 is connected with the inner cavity of the storage bin. The pressure detection unit is a pressure gauge 610, and the detection part of the pressure gauge 610 extends into the inner cavity of the storage bin. The pressure in the storage bin 100 is detected in real time. The specified air pressure in the storage bin 100 is set to 0.04MPa~0.06Mpa, and 0.05Mpa is the best. At this air pressure, the fine aggregate can flow out relatively stably and uniformly, and the test accuracy will not be affected due to the splashing or too fast flow of the aggregate caused by excessive air pressure. When the pressure gauge detects that the air pressure in the storage bin 100 is less than the specified air pressure, the gas pump 620 is driven to pressurize the storage bin 100.
[0029] Preferably, the air pump 620 is a small electromagnetic air pump 620, which has the advantages of compact structure, stable operation, easy control of flow and pressure, etc.
[0030] Further, the introduction of the air pump 620 makes the fine aggregate flow more stable and uniform, and compared with the direct pouring method, it can better fix the test conditions and reduce the influence of human operation differences: when pouring directly by hand, the pouring height and speed of different operators are quite different, and the use of the air pump 620 can effectively reduce the influence of such human differences on the test results, and further improve the authenticity and reliability of the test results.
[0031] Preferably, the control valve 300 is an electromagnetic valve, which is arranged at the connection between the discharge port and the discharge channel 110. The electromagnetic valve can be operated by simply applying power, avoiding the cumbersome manual operation, and being convenient and fast to use; the response speed can reach the millisecond level, enabling fast response; and the electromagnetic valve is small in size, facilitating installation and maintenance.
[0032] Specifically, the storage bin 100 includes a main cavity, a discharging cavity in communication with the lower end of the main cavity, and a discharge port arranged on the side of the discharging cavity away from the main cavity. The cross-sectional radius of the discharging cavity gradually converges from the side close to the main cavity to the side of the discharge port.
[0033] In order to further ensure the accuracy of the detection experiment, the detection device further includes a housing 700, and the storage bin 100 is fixed in the housing 700 through a first fixing frame 710. By arranging the storage bin 100 in the housing 700 for the experiment, the influence of the external environment on the experiment can be reduced, and the accuracy of the experiment can be ensured.
[0034] In order to further ensure the accuracy of the detection experiment, the housing 700 further includes a second fixing frame 720 arranged on the inner wall of the housing 700, and the second fixing frame 720 is connected with the storage bin 100. By supporting the storage bin 100 through the first fixing frame 710 and the second fixing frame 720, the storage bin 100 can be prevented from shaking during the experiment and interfering with the experimental results.
[0035] Specifically, the embodiment provides a detection method of the fine aggregate flow time detection device, which includes the following steps:
[0036] S1: loading the fine aggregate into the storage bin 100, connecting the discharge port of the storage bin 100 with the discharge channel 110, and sealing the connection parts of the storage bin 100 with the air pump 620 and the pressure gauge 610;
[0037] S2: opening the air pump 620, and adjusting the air pressure in the storage bin 100 to 0.05 MPa;
[0038] S4: opening the control valve 300, the sensor 400 detects the flow of fine aggregate, immediately sends a signal to the processor; the processor receives the signal, immediately starts the timing device to start timing;
[0039] S5: when the fine aggregate flow reaches the specified volume, the test personnel close the valve, the timing stops, at this time the timer 520 shows the time of the fine aggregate angularity detection flow time, complete detection.
[0040] From the above, the utility model discloses a detection device for fine aggregate angularity, which comprises a storage bin 100, a control valve 300, a sensor 400, a timer 500 and a pressure detection unit 600, wherein the storage bin 100 is connected with the control valve 300, the control valve 300 is connected with the sensor 400, the sensor 400 is connected with the timer 500, and the pressure detection unit 600 is connected with the storage bin 100.
[0041] The above is the preferred embodiment of the utility model, and it should be pointed out that for ordinary skilled persons in the art, some improvements and refinements can be made without departing from the principles of the present application, and these improvements and refinements are also considered to be within the protection scope of the utility model.
Claims
1. A material flow time detection device, characterized by, The application relates to a detection device for material, which comprises the following parts: a storage bin for storing material to be detected; a discharge port arranged at the lower end of the storage bin, and connected with a discharge channel; a receiving box arranged below the discharge channel; a control valve arranged in the discharge channel, used for controlling the opening and closing of the discharge channel; an induction assembly arranged in the discharge channel and below the control valve; a timing assembly connected with the outer wall of the discharge channel, and electrically connected with the induction assembly; a pressure detection unit connected with the inner cavity of the storage bin, used for detecting the air pressure in the storage bin; a pressure booster connected with the pressure detection unit and the inner cavity of the storage bin respectively; when the pressure detection unit detects that the air pressure in the storage bin is less than a specified value, the pressure booster is used for increasing the pressure in the storage bin.
2. The material flow time detection apparatus of claim 1, wherein The induction assembly comprises: a sensor arranged in the discharge channel; a processor connected with the sensor and the timing assembly.
3. The material flow time detection apparatus of claim 1, wherein The timing assembly comprises: a mounting bracket connected with the outer wall of the discharge channel; a timer fixed on the mounting bracket, and electrically connected with the induction assembly.
4. The material flow time detection apparatus of claim 3, wherein The timing assembly further comprises: a display fixed on the mounting bracket, and connected with the timer.
5. The material flow time detection apparatus of claim 1, wherein The pressure booster is a gas pump, and the gas conveying pipe of the gas pump is connected with the inner cavity of the storage bin.
6. The material flow time detection apparatus of claim 1, wherein The pressure detection unit is a pressure gauge, and the detection part of the pressure gauge extends into the inner cavity of the storage bin.
7. The material flow time detection apparatus according to any one of claims 1 to 6, characterized by The control valve is an electromagnetic valve.
8. The material flow time detection apparatus according to any one of claims 1 to 6, characterized by The storage bin comprises: a main cavity; a discharging cavity communicated with the lower end of the main cavity, and a discharge port arranged on the side of the discharging cavity away from the main cavity; and the transverse cross-section radius of the discharging cavity gradually converges from the side close to the main cavity to the side of the discharge port.
9. The material flow time detection apparatus according to any one of claims 1 to 6, characterized by The detection device further comprises a shell, and the storage bin is fixed in the shell through a first fixing frame.
10. The material flow time detection apparatus of claim 9, wherein, A second fixing frame is further arranged on the inner wall of the shell, and the second fixing frame is connected with the storage bin.