A building material witness sampling cabinet, witness sampling system and method

Abstract

The invention discloses a building material witness sampling cabinet, a witness sampling system and a method, and relates to the technical field of building material sampling. The invention comprises a cabinet body, which is divided into a common specimen storage area, a concrete standard curing area and a concrete synchronous curing area. The common specimen storage area is provided with a plurality of second storage compartments, the concrete standard curing area is provided with a plurality of first storage compartments, and the concrete synchronous curing area is provided with a plurality of third storage compartments. Cabinet doors are installed on the outer surfaces of the plurality of first storage compartments, the second storage compartments and the third storage compartments, and electric control locks are installed on the surfaces of the cabinet doors. A controller and a wireless communication module are installed inside the cabinet body, a touch screen is installed on one side of the cabinet body, and a camera is installed above the touch screen, and the camera is electrically connected to an input end of the controller. The invention arranges different functional areas in the cabinet body, provides a specimen storage function and a concrete test block curing function, so as to solve the problems of fraud in the witness sampling process and lack of storage and curing conditions.

Description

Technical Field

[0001] The invention relates to the technical field of building material sampling, and in particular to a building material witness sampling cabinet, a witness sampling system and a method. Background Art

[0002] Building construction refers to production activities during the implementation phase of engineering construction. It is the process of building various types of buildings. It can also be said to be the process of turning various lines on the design drawings into physical objects at designated locations. During the construction process, in order to supervise the quality of various building materials, the construction management department requires the implementation of a witnessed sampling and inspection system in the quality inspection of construction projects. That is, under the witness of the construction supervision unit or the construction unit, the relevant building materials entering the construction site are sampled or test pieces are made on site by the construction unit's full-time material testing personnel, and then sent to a laboratory that meets the qualification management requirements for testing. Witnessing sampling and inspection is an important means to ensure that the inspection work is scientific, fair and accurate.

[0003] At present, there is a lack of storage space for construction sampling specimens on construction sites, especially a lack of a maintenance environment for concrete specimens, sampling is not convenient enough, and there is a lack of supervision in the witnessing of the sampling process, which leads to fraud in the sampling and inspection process. In addition, the construction unit needs to arrange special personnel to submit the specimens for inspection regularly, which increases the burden on the construction unit. Summary of the invention

[0004] The main purpose of the present invention is to provide a building material witnessed sampling cabinet, a witnessed sampling system and a method to solve the problems of lack of specimen storage space at construction sites, inconvenient sampling, lack of supervision during the witnessed sampling process, and the increase in the burden on the construction unit due to regular inspections by dedicated personnel.

[0005] To achieve the above-mentioned purpose, the technical solution adopted by the present invention is: a building material witness sampling cabinet, including a cabinet body, the cabinet body is divided into a common specimen storage area, a concrete standard curing area and a concrete synchronous curing area, the common specimen storage area is provided with a plurality of second storage compartments, the concrete standard curing area is provided with a plurality of first storage compartments, the concrete synchronous curing area is provided with a plurality of third storage compartments, the outer surfaces of the plurality of the first storage compartments, the second storage compartments and the third storage compartments are all installed with cabinet doors, the surfaces of the cabinet doors are installed with electric control locks, a controller and a wireless communication module are installed inside the cabinet body, a touch screen is installed on one side of the cabinet body, a camera is installed above the touch screen, the camera is electrically connected to the input end of the controller for scanning QR codes and monitoring the process of taking and placing specimens, the touch screen is connected to the input end of the controller for entering information of samplers, witnesses and specimens; the wireless communication module is used to realize communication between the controller and external equipment.

[0006] Preferably, a temperature sensor and a humidity sensor are installed in the first storage compartment of the standard concrete curing area, an air conditioner and a humidifier are respectively installed on the outer surface of the standard concrete curing area, and an air inlet, an air outlet and a water vapor outlet are provided in the first storage compartment, the air inlet and the air outlet are connected to the air inlet and the air outlet of the air conditioner through pipelines, and the water vapor outlet is connected to the spray outlet of the humidifier through a pipeline.

[0007] Preferably, an insulation layer is installed on the outer surface of the concrete standard curing area.

[0008] Preferably, the side wall of the concrete synchronous curing zone is provided with a plurality of through holes for maintaining the temperature and humidity consistent with the external environment.

[0009] Preferably, the sampling cabinet also includes a mobile terminal and a background server. The sampling cabinet communicates with the background server through a wireless communication module to upload information of test pieces, samplers, and witnesses and receive control instructions from the server; the background server communicates with the mobile terminal to push pickup information to construction unit samplers and laboratory samplers.

[0010] Preferably, the system further comprises a face recognition unit for verifying the identity of the sampler.

[0011] Preferably, the sampling method comprises the following steps:

[0012] Step 1: The sampler of the construction unit takes samples under the witness of the witness of the supervision unit. After sampling, a QR code is bound to the test piece;

[0013] Step 2: The sampler of the construction unit uses the camera of the sampling cabinet or a mobile terminal approved by the system to scan the QR code, enter the test piece information and the information of the sampler and witness, and the sampling cabinet opens the corresponding cabinet door according to the type of test piece and puts the test piece in;

[0014] Step 3: The system generates push information. If the specimen is a concrete test block, the information is sent to the mobile terminal of the sampler of the construction unit; if the specimen is other specimens, the information is sent to the mobile terminal of the sampler of the laboratory;

[0015] Step 4: For ordinary specimens, go directly to step 6; for concrete specimens, start the curing process;

[0016] Step 5: After the first stage of curing, the construction unit sampler takes out the concrete test block from the cabinet at the notified demolding time, removes the mold, and puts the test block back into the cabinet for the second stage of curing. The system generates a push message again and sends it to the mobile terminal of the laboratory sampler;

[0017] Step 6: The laboratory sampler takes the test piece from the cabinet at the notified sampling time;

[0018] Step 7: Conduct tests in the laboratory and generate test reports;

[0019] Step 8: The test report is sent to the sampler of the construction unit.

[0020] Preferably, the maintenance is divided into standard maintenance and synchronous maintenance. During standard maintenance, the temperature and humidity conditions in the storage compartment are monitored by temperature sensors and humidity sensors, and the temperature and humidity are adjusted in real time by air conditioners and humidifiers to ensure that the temperature and humidity meet the standard maintenance requirements.

[0021] Preferably, standard curing requires a humidity requirement of 95% and a temperature requirement of 18-22°C.

[0022] Preferably, the maintenance is divided into a first stage and a second stage, wherein the first stage lasts for 3 days and the second stage lasts for 25 days.

[0023] The present invention has the following beneficial effects:

[0024] First, in the present invention, by setting different functional areas such as ordinary specimen storage area, concrete standard curing area and concrete synchronous curing area, specimen storage function and concrete test block curing function are provided. In this way, only one sampling cabinet needs to be installed at the construction site to solve the problems of fraud in witnessing the sampling process and lack of storage and curing conditions.

[0025] Second, the present invention can monitor the entire process of witness sampling to ensure the authenticity of the witness sampling process. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a three-dimensional structural schematic diagram of a building material witness sampling cabinet of the present invention;

[0027] Figure 2 This is a schematic diagram of the main structure of a building material witness sampling cabinet of the present invention;

[0028] Figure 3 This is a schematic diagram of the through hole position structure of a building material witness sampling cabinet of the present invention;

[0029] Figure 4 It is a left-side structural schematic diagram of a building material witness sampling cabinet of the present invention;

[0030] Figure 5 A building material witness sampling cabinet according to the present invention Figure 4 Sectional view of the AA plane;

[0031] Figure 6 A system architecture diagram of a building material witness sampling system of the present invention;

[0032] Figure 7A control principle diagram of a building material witness sampling system of the present invention;

[0033] Figure 8 The present invention is a flowchart of the operation of a building material witness sampling method.

[0034] In the figure: 1. cabinet; 2. ordinary specimen storage area; 3. standard concrete curing area; 4. synchronous concrete curing area; 5. cabinet door; 6. electric lock; 7. controller; 8. touch screen; 9. camera; 10. temperature sensor; 11. humidity sensor; 12. air conditioner; 13. humidifier; 14. air inlet; 15. air outlet; 16. water vapor outlet; 17. insulation layer; 18. through hole; 19. first storage compartment; 20. second storage compartment; 21. third storage compartment. DETAILED DESCRIPTION

[0035] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0036] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do 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 limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0037] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" 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 invention can be understood according to specific circumstances.

[0038] Embodiment 1:

[0039] Please refer to Figure 1-8As shown: a building material witness sampling cabinet, including a cabinet body 1, the cabinet body 1 is divided into a common specimen storage area 2, a concrete standard curing area 3 and a concrete synchronous curing area 4, the common specimen storage area 2 is provided with a plurality of second storage compartments 20, the concrete standard curing area 3 is provided with a plurality of first storage compartments 19, the concrete synchronous curing area 4 is provided with a plurality of third storage compartments 21, the outer surfaces of the plurality of first storage compartments 19, the second storage compartments 20 and the third storage compartments 21 are all installed with cabinet doors 5, the surface of the cabinet door 5 is installed with an electric control lock 6, a controller 7 and a wireless communication module are installed inside the cabinet body 1, a touch screen 8 is installed on one side of the cabinet body 1, a camera 9 is installed above the touch screen 8, the camera 9 is electrically connected to the input end of the controller 7 for scanning a QR code and monitoring the process of taking and placing specimens, the touch screen 8 is connected to the input end of the controller 7 for inputting information of the sampler, the witness and the specimen; the wireless communication module is used to realize communication between the controller 7 and external equipment.

[0040] Embodiment 2:

[0041] Please refer to Figure 1-8 As shown: a temperature sensor 10 and a humidity sensor 11 are installed in the first storage compartment 19 of the standard concrete curing area 3, an air conditioner 12 and a humidifier 13 are installed on the outer surface of the standard concrete curing area 3, and an air inlet 14, an air outlet 15 and a water vapor outlet 16 are arranged in the first storage compartment 19. The air inlet 14 and the air outlet 15 are connected to the air inlet and the air outlet of the air conditioner 12 through pipelines, and the water vapor outlet 16 is connected to the spray outlet of the humidifier 13 through a pipeline. An insulation layer 17 is installed on the outer surface of the standard concrete curing area 3, and a plurality of through holes 18 are arranged on the side wall of the synchronous concrete curing area 4 to keep consistent with the temperature and humidity of the external environment. The sampling cabinet also includes a mobile terminal and a background server. The sampling cabinet communicates with the background server through a wireless communication module to upload the information of the test piece, the sampler, and the witness and receive the control command of the server; the background server communicates with the mobile terminal to push the pickup information to the construction unit sampler and the laboratory sampler. The system also includes a face recognition unit to verify the identity of the sampler;

[0042] The sampling method includes the following steps:

[0043] Step 1: The sampler of the construction unit takes samples under the witness of the witness of the supervision unit. After sampling, a QR code is bound to the test piece;

[0044] Step 2: The sampler of the construction unit uses the camera of the sampling cabinet or a mobile terminal approved by the system to scan the QR code, enter the test piece information and the information of the sampler and witness, and the sampling cabinet opens the corresponding cabinet door according to the type of test piece and puts the test piece in;

[0045] Step 3: The system generates push information. If the specimen is a concrete test block, the information is sent to the mobile terminal of the sampler of the construction unit; if the specimen is other specimens, the information is sent to the mobile terminal of the sampler of the laboratory;

[0046] Step 4: For ordinary specimens, go directly to step 6; for concrete specimens, start the curing process;

[0047] Step 5: After the first stage of curing, the construction unit sampler takes out the concrete test block from the cabinet at the notified demolding time, removes the mold, and puts the test block back into the cabinet for the second stage of curing. The system generates a push message again and sends it to the mobile terminal of the laboratory sampler;

[0048] Step 6: The laboratory sampler takes the test piece from the cabinet at the notified sampling time;

[0049] Step 7: Conduct tests in the laboratory and generate test reports;

[0050] Step 8: The test report is sent to the sampler of the construction unit;

[0051] Maintenance is divided into standard maintenance and synchronous maintenance. During standard maintenance, the temperature and humidity conditions in the storage compartment are monitored by temperature sensors and humidity sensors, and the temperature and humidity are adjusted in real time by air conditioners and humidifiers to ensure that the temperature and humidity meet the standard maintenance requirements. Standard maintenance requires a humidity of 95% and a temperature of 18-22°C. Maintenance is divided into the first stage and the second stage. The first stage lasts 3 days and the second stage lasts 25 days.

[0052] Embodiment three:

[0053] It should be noted that the present invention is a building material witness sampling cabinet, and its method of use is to store corresponding test specimens in the common specimen storage area 2, the concrete standard curing area 3 and the concrete synchronous curing area 4, respectively, wherein the common specimen storage area 2 can be divided into a plurality of storage compartments, or can be undivided, and the concrete standard curing area 3 is divided into a plurality of independent storage compartments, each storage compartment is kept sealed and not connected to each other, so as to ensure independent control of the curing environment, a temperature sensor 10 and a humidity sensor 11 are arranged in the concrete standard curing area 3, for detecting the temperature and humidity in the storage compartment, and an air conditioner 12 is arranged, and an air conditioning outlet 15 is arranged in each storage compartment to control the temperature of each storage compartment, and a humidifier 13 is arranged at the same time to ensure that the humidity meets the requirements In addition, a heat preservation layer 17 is provided outside the cabinet to ensure that the temperature is not affected by the external environment. A plurality of through holes 18 are provided on the two opposite side surfaces of the concrete synchronous curing area 4 to keep the cabinet in the same temperature and humidity environment as the outside. The central control device provided on the cabinet 1 is used to receive the signals of each sensor, control the opening and closing of each electronic device, the opening of the cabinet door 5 and the QR code verification. At the same time, a pickup code can be generated and pushed to the laboratory sampler through the background server. The image acquisition device provided on the cabinet 1 is used to shoot the process of the witness and the sampler taking and placing materials in the cabinet and reading the QR code. The face recognition system is used to verify the identity of the sampler, the witness and the laboratory sampler, and the information entry device is used for the sampler and the witness to enter information;

[0054] The operation steps of the building material witness sampling cabinet and system are as follows:

[0055] 1: The sampler of the construction unit takes samples under the witness of the witness of the supervision unit. After sampling, a QR code, such as a paper QR code, is bound to the test piece;

[0056] 2. The sampling cabinet identifies the identity of the sampler. Only authorized samplers can use it. Scan the QR code through the camera or the mobile terminal approved by the system, enter the sample information and witness information, select the laboratory, and the sampling cabinet opens the corresponding cabinet door according to the sample type and puts the test piece in.

[0057] 3. The system generates push information and pushes it to the laboratory sampler or the construction unit sampler;

[0058] 4: For ordinary specimens, go directly to step 6. For concrete test blocks, start the curing process. During the curing period, the system monitors the temperature and humidity conditions and makes real-time adjustments to ensure that the temperature and humidity meet the requirements.

[0059] Five: After the first stage of curing, the test piece needs to be taken out in monitoring mode, the mold is removed, and it is placed in the cabinet again;

[0060] 6. The laboratory sampler takes the test piece from the cabinet at the notified sampling time;

[0061] 7. Conduct tests in the laboratory and generate test reports;

[0062] 8. The test report is sent to the sampler of the construction unit.

[0063] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A building material witness sampling cabinet, comprising a cabinet body (1), characterized in that: The cabinet (1) is divided into a common specimen storage area (2), a concrete standard curing area (3) and a concrete synchronous curing area (4); the common specimen storage area (2) is provided with a plurality of second storage compartments (20); the concrete standard curing area (3) is provided with a plurality of first storage compartments (19); the concrete synchronous curing area (4) is provided with a plurality of third storage compartments (21); cabinet doors (5) are installed on the outer surfaces of the plurality of first storage compartments (19), second storage compartments (20) and third storage compartments (21); an electric control lock (6) is installed on the surface of the cabinet door (5); a controller (7) and a wireless communication module are installed inside the cabinet (1); a touch screen (8) is installed on one side of the cabinet (1); a camera (9) is installed above the touch screen (8); the camera (9) is electrically connected to an input end of the controller (7) The touch screen (8) is connected to the input end of the controller (7) for scanning the QR code and monitoring the process of taking and placing the test piece. The touch screen (8) is connected to the input end of the controller (7) for inputting the information of the sampler, the witness and the test piece. The wireless communication module is used to realize the communication between the controller (7) and the external device. The first storage compartment (19) of the concrete standard curing area (3) is installed with a temperature sensor (10) and a humidity sensor (11). The outer surface of the concrete standard curing area (3) is respectively installed with an air conditioner (12) and a humidifier (13). The first storage compartment (19) is provided with an air inlet (14), an air outlet (15) and a water vapor outlet (16). The air inlet (14) and the air outlet (15) are connected to the air inlet and the air outlet of the air conditioner (12) through pipelines. The water vapor outlet (16) is connected to the spray outlet of the humidifier (13) through a pipeline.

2. A building material witness sampling cabinet according to claim 1, characterized in that: The outer surface of the concrete standard curing area (3) is provided with a thermal insulation layer (17).

3. A building material witness sampling cabinet according to claim 1, characterized in that: The side wall of the concrete synchronous curing area (4) is provided with a plurality of through holes (18) for maintaining the same temperature and humidity as the external environment.

4. A building material witness sampling system, characterized in that: The sampling cabinet comprises the sampling cabinet as described in any one of claims 1-3, and also comprises a mobile terminal and a background server, wherein the sampling cabinet communicates with the background server via a wireless communication module, and is used for uploading information of test pieces, samplers, and witnesses and receiving control instructions from the server; the background server communicates with the mobile terminal, and is used for pushing pickup information to construction unit samplers and laboratory samplers.

5. The building material witness sampling system according to claim 4, characterized in that: The system also includes a face recognition unit for verifying the identity of the sampler.

6. A method for witness sampling of building materials using the witness sampling system of claim 4, characterized in that The following steps are involved: Step 1: The sampler of the construction unit takes samples under the witness of the witness of the supervision unit. After sampling, a QR code is bound to the test piece; Step 2: The sampler of the construction unit uses the camera of the sampling cabinet or a mobile terminal approved by the system to scan the QR code, enter the test piece information and the information of the sampler and witness, and the sampling cabinet opens the corresponding cabinet door according to the type of test piece and puts the test piece in; Step 3: The system generates push information. If the specimen is a concrete test block, the information is sent to the mobile terminal of the sampler of the construction unit; if the specimen is other specimens, the information is sent to the mobile terminal of the sampler of the laboratory; Step 4: For ordinary specimens, go directly to step 6; for concrete specimens, start the curing process; Step 5: After the first stage of curing, the construction unit sampler takes out the concrete test block from the cabinet at the notified demolding time, removes the mold, and puts the test block back into the cabinet for the second stage of curing. The system generates a push message again and sends it to the mobile terminal of the laboratory sampler; Step 6: The laboratory sampler takes the test piece from the cabinet at the notified sampling time; Step 7: Conduct tests in the laboratory and generate test reports; Step 8: The test report is sent to the sampler of the construction unit.

7. The building material witness sampling method according to claim 6, characterized in that: The maintenance described in step five is divided into standard maintenance and synchronous maintenance. During standard maintenance, the temperature and humidity conditions in the storage compartment are monitored by temperature sensors and humidity sensors, and the temperature and humidity are adjusted in real time by air conditioners and humidifiers to ensure that the temperature and humidity meet the standard maintenance requirements.

8. The building material witness sampling method according to claim 7, characterized in that: Standard maintenance requirements include a humidity of 95% and a temperature of 18-22°C.

9. The building material witness sampling method according to claim 6, characterized in that: The maintenance is divided into a first stage and a second stage, wherein the first stage lasts for 3 days and the second stage lasts for 25 days.

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