Concrete carbonization test box device under humidity effect
By designing a concrete carbonization test chamber under the action of humidity, the existing equipment is large in size and complicated sampling problems are solved, convenient humidity and CO2 concentration control is achieved, and the specimen is supported to sample in the box, which improves the flexibility and efficiency of the test.
Patent Information
- Application Number
- CN202421459030.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-25
- Publication Date
- 2025-07-22
- Estimated Expiration
- 2034-06-25
AI Technical Summary
The existing carbonization test equipment is huge in size, and the test pieces need to be waxed and sealed, and the sampling is complicated, which limits its widespread use in practical applications.
Design a concrete carbonization test chamber under humidity, including the main iron box, humidity control system and CO2 dispersion system, equipped with a humidity sensor and CO2 gas detection sensor, which can achieve precise control of humidity and CO2 concentration through the controller, avoid wax sealing, and support specimen sampling in the box.
It realizes convenient and fast humidity control and CO2 concentration adjustment, supports sampling of the same specimen at different time periods, reducing operational complexity and time cost.
Smart Images

Figure CN223139344U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of concrete carbonation tests, and more specifically to the technical field of a concrete carbonation test chamber device under the action of humidity. Background Art
[0002] The carbonation test device under the action of humidity is used to simulate the carbonation environment under different humidity conditions for evaluating the performance and durability of materials. The following technologies are disclosed in existing patents:
[0003] The patent with the publication number CN104568723A discloses the following: A method and device for accelerating the carbonation test of concrete under the condition of groundwater environment containing erosive carbon dioxide. The test method includes the following steps: (1) preparing an artificial groundwater sample solution containing erosive carbon dioxide; (2) conducting an accelerated carbonation test of concrete under the groundwater environment containing erosive carbon dioxide; (3) continuously monitoring and regulating the concentration of erosive carbon dioxide in the soaking solution; (4) analyzing the carbonation depth of concrete under the groundwater environment containing erosive carbon dioxide. The test device includes a layered rack, a sample box, a soaking box, a waste liquid box, a cover plate, a water conduit, and a flow controller. Using this method and device can prepare an artificial groundwater sample solution containing erosive carbon dioxide and conduct an accelerated carbonation test of concrete under the groundwater environment containing erosive carbon dioxide under normal atmospheric pressure.
[0004] The patent with the publication number CN117589558A discloses the following: A concrete test device under the action of dry-wet cycle, continuous load, and carbonation. It includes a test chamber body which is of a sealed structure, with a continuous loading mechanism inside, a dry-wet cycle mechanism and a carbonation mechanism connected to the inside of the test chamber body outside, and a control mechanism is also arranged outside the test chamber body; combining the tests of dry-wet cycle, continuous load, and carbonation into one to conduct the durability research and mechanical property research of test specimens. Through the real-time monitoring of sensors and the control of the control mechanism to control the dry-wet cycle mechanism, continuous load mechanism, and carbonation mechanism to simulate the test requirements environment, the whole process is fully automatic detection, with simple operation and no manual handling, which can reduce the labor intensity; different working conditions can also be studied through changing the solution type and load size.
[0005] Existing carbonation test devices are usually large in volume, and the test specimens need to be sealed with wax. Due to the long carbonation test time, the sampling for different control group tests is complicated, which limits their wide application in actual use. Therefore, it is necessary to design a new carbonation test device under the action of humidity to solve the limitations of existing devices and provide a more accurate, convenient, and economical test environment. Summary of the Utility Model
[0006] The purpose of the present utility model is to provide a concrete carbonation test chamber device under the action of humidity to solve the above technical problems. It is convenient for individual tests of test pieces, eliminates the need for wax coating and sealing, and can take samples without removing the test pieces from the test chamber, and can quickly and evenly transfer humidity.
[0007] In order to achieve the above purpose, the present utility model specifically adopts the following technical solutions:
[0008] The present utility model provides a concrete carbonation test chamber device under the action of humidity, including a main iron plate box, a humidity control system, a CO2 dispersion system, and a controller. The humidity control system and the CO2 dispersion system are both connected to the main iron plate box;
[0009] A humidity sensor for detecting the humidity inside the main iron plate box and a CO2 gas detection sensor for detecting the CO2 gas content inside the main iron plate box are provided on the main iron plate box;
[0010] The humidity control system, the CO2 dispersion system, the humidity sensor, and the CO2 gas detection sensor are all electrically connected to the controller.
[0011] In one embodiment, a first installation hole communicating with the inside of the main iron plate box is provided at the top of the side wall of the main iron plate box. The humidity sensor is installed in the first installation hole, and a gas detection tube for installing the CO2 gas detection sensor is also provided in the first installation hole.
[0012] In one embodiment, the humidity control system includes a humidification system and an exhaust system;
[0013] The humidification system includes a humidifier and a humidification pipe connected to the outlet of the humidifier. The humidification pipe is connected to the inside of the main iron plate box through a through hole on the side wall of the main iron plate box;
[0014] The exhaust system includes an exhaust fan and an exhaust pipe communicating with the air inlet of the exhaust fan. The exhaust pipe is connected to the inside of the main iron plate box through a through hole on the side wall of the main iron plate box.
[0015] In one embodiment, the main iron plate box includes a double-layer shell with an upward opening and a transparent tempered glass cover provided on the top of the double-layer shell.
[0016] In one embodiment, air outlet holes are provided at the bottom of the side wall of the double-layer shell and on the transparent tempered glass cover. A connecting hose is connected to each air outlet hole, and a sealing structure is provided on each connecting hose.
[0017] In one embodiment, the sealing structure is at least one hose clamp provided on the connecting hose.
[0018] Specifically, the connecting hose extends into the test chamber from the air outlet hole, and the part of the connecting hose outside the test chamber is clamped by a hose clamp.
[0019] In one embodiment, the CO2 dispersion system includes a CO2 gas cylinder and a main ventilation pipe communicated with the outlet of the CO2 gas cylinder. The outlet of the main ventilation pipe is divided into two branch pipes. One branch pipe is communicated with the inside of the main iron plate box through the bottom of the side wall of the double-layer shell, and the other branch pipe is communicated with the inside of the main iron plate box through the transparent tempered glass cover.
[0020] In one embodiment, the material of the branch pipe is a rubber hose.
[0021] Specifically, the branch pipe is a thick rubber hose, which connects the CO2 steel cylinder and the transparent tempered glass cover and extends into the test chamber; the CO2 concentration in the test chamber is adjusted by the CO2 steel cylinder and the water stop clamp, and the CO2 concentration in the test chamber is detected by a gas detection tube, so that the CO2 concentration in the test chamber reaches the required concentration value for the test, thus forming a CO2 dispersion system.
[0022] In one embodiment, an adjustment display and a switch electrically connected to the controller are provided on the outer wall of the main iron plate box.
[0023] Specifically, the humidity sensor transmits the humidity signal to the display to reflect the internal humidity, and the adjustment display and the switch are used to control the humidifier and the exhaust fan to work, so as to maintain the humidity in the test chamber to meet the test humidity requirements.
[0024] In one embodiment, concrete test blocks are arranged inside the double-layer shell, and rubber gasket rings are arranged at both the upper and lower ends of the concrete test blocks.
[0025] The beneficial effects of the present utility model are as follows:
[0026] 1. The design is reasonable, the structure is simple and practical, and it is convenient to apply the carbonation test under the action of humidity.
[0027] 2. The humidity control effect is enhanced. A humidity sensor and an exhaust fan are installed in the box body, and a display is provided, so that the humidity can be conveniently controlled, meeting the accuracy requirements, and can be adjusted to the expected effect in a short time.
[0028] 3. Compared with the traditional large-volume carbonation test chamber, the box body is flexible and light, and the carbonation experiment can be carried out without wax coating for sealing.
[0029] 4. The same specimen can be cored and sampled at different time periods without being taken out of the test chamber. Compared with the traditional test chamber, it is time-saving and convenient. Description of the Drawings
[0030] To more clearly illustrate the technical solutions of the embodiments of the present utility model, the following will briefly introduce the drawings required for the embodiments. It should be understood that the following drawings only show some embodiments of the present utility model, and therefore should not be regarded as limiting the scope. For those of ordinary skill in the art, without creative efforts, other related drawings can also be obtained based on these drawings.
[0031] Figure 1 is a schematic structural diagram of the test device of the present utility model;
[0032] Figure 2 is Figure 1 a view of
[0033] Figure 3 is Figure 1 another view of
[0034] Figure 4 is a schematic diagram of the transparent glass cover of the test chamber;
[0035] Figure 5 is a top view of the interior of the test chamber;
[0036] Figure 6 is a perspective view of the internal structure of the test chamber;
[0037] Reference numerals: 1 - main body iron plate box, 2 - humidity sensor, 3 - humidifier, 4 - gas cylinder, 5 - display and switch, 6 - exhaust fan, 7 - humidification pipeline, 8 - branch pipeline, 9 - connecting hose, 10 - transparent tempered glass cover, 11 - gas detection tube, 12 - rubber gasket, 13 - concrete test block, 14 - exhaust pipeline. Specific embodiments
[0038] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model. Usually, the components of the embodiments of the present utility model described and shown in the drawings here can be arranged and designed in various different configurations.
[0039] Therefore, the following detailed description of the embodiments of the present utility model provided in the drawings is not intended to limit the scope of the claimed present utility model, but merely represents the selected embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts fall within the scope of protection of the present utility model.
[0040] It should be noted that similar reference numerals and letters denote similar items in the following figures. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures. In addition, the terms "first", "second", etc. are only used for descriptive distinction and should not be construed as indicating or implying relative importance.
[0041] In the description of the embodiments of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "inner", "outer", "upper", etc. is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the product of the present utility model is usually placed during use. It is 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.
[0042] Embodiment 1
[0043] As Figures 1 to 6 shown, this embodiment provides a concrete carbonation test chamber device under the action of humidity, including a main iron plate box 1, a humidity control system, a CO2 dispersion system, and a controller. The humidity control system and the CO2 dispersion system are both connected to the main iron plate box 1;
[0044] A humidity sensor for detecting the humidity inside the main iron plate box 1 and a CO2 gas detection sensor for detecting the CO2 gas content inside the main iron plate box 1 are provided on the main iron plate box 1;
[0045] The humidity control system, the CO2 dispersion system, the humidity sensor, and the CO2 gas detection sensor are all electrically connected to the controller.
[0046] Embodiment 2
[0047] As Figures 1 to 6 shown, this embodiment provides a concrete carbonation test chamber device under the action of humidity, including a main iron plate box 1, a humidity control system, a CO2 dispersion system, and a controller. The humidity control system and the CO2 dispersion system are both connected to the main iron plate box 1;
[0048] A humidity sensor for detecting the humidity inside the main iron plate box 1 and a CO2 gas detection sensor for detecting the CO2 gas content inside the main iron plate box 1 are provided on the main iron plate box 1;
[0049] The humidity control system, the CO2 dispersion system, the humidity sensor, and the CO2 gas detection sensor are all electrically connected to the controller.
[0050] On the top of the side wall of the main iron plate box 1, a first mounting hole communicating with the inside of the main iron plate box 1 is provided, a humidity sensor is installed in the first mounting hole, and a CO2 gas detection tube 11 for installing a CO2 gas detection sensor is also provided in the first mounting hole.
[0051] Embodiment 3
[0052] As Figures 1 to 6 shown, this embodiment provides a concrete carbonation test chamber device under the action of humidity, including a main iron plate box 1, a humidity control system, a CO2 dispersion system and a controller. The humidity control system and the CO2 dispersion system are both communicated with the main iron plate box 1;
[0053] A humidity sensor for detecting the humidity inside the main iron plate box 1 and a CO2 gas detection sensor for detecting the CO2 gas content inside the main iron plate box 1 are provided on the main iron plate box 1;
[0054] The humidity control system, the CO2 dispersion system, the humidity sensor and the CO2 gas detection sensor are all electrically connected to the controller.
[0055] On the top of the side wall of the main iron plate box 1, a first mounting hole communicating with the inside of the main iron plate box 1 is provided, a humidity sensor is installed in the first mounting hole, and a CO2 gas detection tube 11 for installing a CO2 gas detection sensor is also provided in the first mounting hole.
[0056] The humidity control system includes a humidification system and an exhaust system;
[0057] The humidification system includes a humidifier 3 and a humidification pipeline 7 connected to the outlet of the humidifier 3. The humidification pipeline 7 is communicated with the inside of the main iron plate box 1 through a through hole on the side wall of the main iron plate box 1;
[0058] The exhaust system includes an exhaust fan 6 and an exhaust pipeline 14 communicated with the air inlet of the exhaust fan 6. The exhaust pipeline 14 is communicated with the inside of the main iron plate box 1 through a through hole on the side wall of the main iron plate box 1.
[0059] Embodiment 4
[0060] This embodiment is further optimized on the basis of any one of Embodiments 1 to 3. Specifically:
[0061] The main iron plate box 1 includes a double-layer shell with an upward opening and a transparent toughened glass cover 10 arranged on the top of the double-layer shell.
[0062] Air outlet holes are provided at the bottom of the side wall of the double-layer shell and on the transparent toughened glass cover 10. A connecting hose 9 is connected to each air outlet hole, and a blocking structure is provided on each connecting hose 9.
[0063] The blocking structure is at least one hose clamp provided on the connecting hose 9.
[0064] Specifically, the connecting hose 9 extends into the test chamber through the air outlet, and the part of the connecting hose 9 outside the test chamber is clamped by a hose clamp.
[0065] Example 5
[0066] This example is further optimized on the basis of any one of Examples 1 to 3. Specifically:
[0067] The CO2 dispersion system includes a CO2 gas cylinder 4 and a main ventilation pipe communicated with the air outlet of the CO2 gas cylinder 4. The outlet of the main ventilation pipe is divided into two branch pipes 8. One branch pipe 8 is communicated with the inside of the main iron plate box 1 through the bottom of the side wall of the double-layer shell, and the other branch pipe 8 is communicated with the inside of the main iron plate box 1 through the transparent toughened glass cover 10.
[0068] The material of the branch pipe 8 is rubber hose material.
[0069] Specifically, the branch pipe 8 is a thick rubber hose, connecting the CO2 steel cylinder and the transparent toughened glass cover 10 and extending into the test chamber; the CO2 concentration in the test chamber is adjusted by the CO2 steel cylinder and the hose clamp, and the CO2 gas detection tube 11 is used to detect the CO2 concentration in the test chamber, so that the CO2 concentration in the test chamber reaches the required concentration value for the test, thus forming a CO2 dispersion system.
[0070] Example 6
[0071] This example is further optimized on the basis of any one of Examples 1 to 3. Specifically:
[0072] Concrete test blocks 13 are arranged inside the double-layer shell, and rubber gasket rings 12 are arranged at both the upper and lower ends of the concrete test blocks 13.
[0073] An adjustment display and a switch 5 electrically connected to the controller are arranged on the outer wall of the main iron plate box 1.
[0074] Specifically, the humidity sensor 2 transmits the humidity signal to the display to reflect the internal humidity, and the adjustment display and the switch 5 are used to control the humidifier 3 and the exhaust fan 6 to work, so as to maintain the humidity in the test chamber to meet the test humidity requirements.
Claims
1. A concrete carbonation test chamber device under the action of humidity, characterized in that, It includes a main iron plate box (1), a humidity control system, a CO2 dispersion system, and a controller. Both the humidity control system and the CO2 dispersion system are connected to the main iron plate box (1). A humidity sensor for detecting the humidity inside the main iron plate box (1) and a CO2 gas detection sensor for detecting the CO2 gas content inside the main iron plate box (1) are provided on the main iron plate box (1). The humidity control system, the CO2 dispersion system, the humidity sensor, and the CO2 gas detection sensor are all electrically connected to the controller.
2. The device for concrete carbonation test box under the action of humidity according to claim 1, wherein A first installation hole communicating with the inside of the main iron plate box (1) is provided at the top of the side wall of the main iron plate box (1). The humidity sensor is installed in the first installation hole, and a gas detection tube (11) for installing the CO2 gas detection sensor is also provided in the first installation hole.
3. The device for the carbonation test box of concrete under the action of humidity according to claim 1, characterized in that, The humidity control system includes a humidification system and an exhaust system. The humidification system includes a humidifier (3) and a humidification pipeline (7) connected to the outlet of the humidifier (3). The humidification pipeline (7) communicates with the inside of the main iron plate box (1) through a through hole in the side wall of the main iron plate box (1). The exhaust system includes an exhaust fan (6) and an exhaust pipeline (14) communicating with the air inlet of the exhaust fan (6). The exhaust pipeline (14) communicates with the inside of the main iron plate box (1) through a through hole in the side wall of the main iron plate box (1).
4. The device for the carbonation test box of concrete under the action of humidity according to claim 1, characterized in that, The main iron plate box (1) includes a double-layer shell with an upward opening and a transparent tempered glass cover (10) provided on the top of the double-layer shell.
5. A concrete carbonation test chamber device under the action of humidity according to claim 4, characterized in that, Air outlet holes are provided at the bottom of the side wall of the double-layer shell and on the transparent tempered glass cover (10). A connecting hose (9) is connected to each air outlet hole, and a blocking structure is provided on each connecting hose (9).
6. The device for concrete carbonation test chamber under the action of humidity according to claim 5, characterized in that, The blocking structure is at least one hose clamp provided on the connecting hose (9).
7. The device for concrete carbonation test chamber under the action of humidity according to claim 4, characterized in that, The CO2 dispersion system includes a CO2 gas cylinder (4) and a main ventilation pipeline connected to the gas outlet of the CO2 gas cylinder (4). The outlet of the main ventilation pipeline is divided into two branch pipelines (8). One branch pipeline (8) communicates with the inside of the main iron plate box (1) through the bottom of the side wall of the double-layer shell, and the other branch pipeline (8) communicates with the inside of the main iron plate box (1) through the transparent tempered glass cover (10).
8. The device for concrete carbonation test chamber under the action of humidity according to claim 6, characterized in that, The material of the branch pipeline (8) is rubber hose material.
9. The device for a concrete carbonation test chamber under the action of humidity according to claim 3, characterized in that, An adjustment display and a switch (5) electrically connected to the controller are provided on the outer wall of the main iron plate box (1).
10. A device for concrete carbonation test chamber under the action of humidity according to claim 7, characterized in that, A concrete test block (13) is provided inside the double-layer shell, and rubber gasket rings (12) are provided at both the upper and lower ends of the concrete test block (13).
Citation Information
Patent Citations
Method and device for carrying out accelerated carbonation test on concrete under erosive-carbon-dioxide-containing groundwater environmental conditions
CN104568723A
Concrete testing device under dry-wet cycle, continuous load and carbonization effects
CN117589558A