CN219121956U - Concrete resilience intensity monitoring system - Google Patents

Abstract

The application relates to a concrete rebound intensity monitoring system, which comprises a control module, an environment detection module and an alarm device, wherein the environment detection module and the alarm device are connected with the control module; the environment detection module is used for detecting the environment condition of the rebound instrument and outputting an environment detection signal; the control module is used for receiving the environment detection signal, and outputting an alarm signal when the parameter reflected by the environment detection signal is higher than a parameter preset value; the alarm device is used for receiving the alarm signal and giving an alarm. The application has the effect of reminding the staff that the resiliometer is placed in the abnormal environment, reduces the influence of environmental problems on the resiliometer data, and improves the problem that the detection data of the resiliometer is inaccurate when the staff places the resiliometer in the abnormal environment.

Description

Concrete resilience intensity monitoring system

Technical Field

The application relates to the field of concrete strength detection, in particular to a concrete rebound strength monitoring system.

Background

In the construction engineering, the application of the concrete is very wide, and the quality of the concrete is good, so that the safety of a building structure is greatly influenced, and the construction cost of the construction engineering is greatly influenced, so that the concrete quality detection is one of important links in the whole detection work.

In building construction, a digital display resiliometer is generally used for rebounding poured concrete to obtain a plurality of data, and the data are required to be recorded manually. The digital display resiliometer belongs to precise electronic equipment, and the damage of the instrument such as impact or falling, high temperature, water inflow and the like is reduced as much as possible when the digital display resiliometer is used and stored, and the digital display resiliometer is used in a strong magnetic field environment, so that the digital display resiliometer can be broken down, and a worker can place the instrument in an unsuitable working environment by mistake when carrying or using the digital display resiliometer.

There is a problem that the detection data of the resiliometer is inaccurate due to the fact that a worker places the resiliometer in an abnormal environment.

Disclosure of Invention

In order to improve the problem that the detection data of resiliometer is inaccurate caused by the fact that staff places the resiliometer in unusual environment, the application provides a concrete rebound intensity monitoring system.

The application provides a concrete resilience intensity monitoring system adopts following technical scheme:

the concrete rebound intensity monitoring system comprises a control module, an environment detection module and an alarm device, wherein the environment detection module and the alarm device are connected with the control module;

the environment detection module is used for detecting the environment condition of the rebound instrument and outputting an environment detection signal;

the control module is used for receiving the environment detection signal, and outputting an alarm signal when the parameter reflected by the environment detection signal is higher than a parameter preset value;

the alarm device is used for receiving the alarm signal and giving an alarm.

Through adopting above-mentioned technical scheme, when the staff uses the resiliometer or deposits the resiliometer, environment detection module can detect the condition of resiliometer place environment, output environment detection signal, control module receives environment detection signal, when the environment parameter of environment detection signal reflection appears unusual, control module can output alarm signal to alarm device, alarm device receives alarm signal and reports to the police, through the environmental condition that real-time detection resiliometer is located, in time send alarm signal for the user, can reduce the resiliometer to a certain extent because the possibility of damage appears in the problem of depositing the environment.

Optionally, the environment detection module comprises a temperature detection device, a humidity detection device and a magnetic field detection device, and the temperature detection device, the humidity detection device and the magnetic field detection device are all connected with the control module;

the temperature detection device is used for detecting the temperature of the environment where the rebound instrument is positioned and outputting a temperature detection signal;

the humidity detection device is used for detecting the humidity of the environment where the rebound instrument is positioned and outputting a humidity detection signal;

the magnetic field detection device is used for detecting the magnetic field intensity of the environment where the rebound instrument is positioned and outputting a magnetic field detection signal;

the control module is used for receiving the temperature detection signal, the humidity detection signal and the magnetic field detection signal, outputting a temperature abnormality signal when the temperature reflected by the temperature detection signal is higher than a temperature preset value, outputting a humidity abnormality signal when the humidity reflected by the humidity detection signal is higher than a humidity preset value, and outputting a magnetic field abnormality signal when the magnetic field intensity reflected by the magnetic field detection signal is higher than a magnetic field preset value;

the alarm device is used for receiving the temperature abnormality signal, the humidity abnormality signal and the magnetic field abnormality signal, and alarming when any one or more signals of the temperature abnormality signal, the humidity abnormality signal and the magnetic field abnormality signal are received.

Through adopting above-mentioned technical scheme, environment detection module detects the environment at temperature, humidity and magnetic field three aspect to the resiliometer place environment, temperature detection device detects the temperature of resiliometer place environment, output temperature detection signal, humidity detection device detects the humidity of resiliometer place environment, magnetic field detection device detects the magnetic field intensity of resiliometer place environment, control module receives temperature detection device, humidity detection device and magnetic field detection device's signal and judges whether temperature, humidity and magnetic field intensity three environmental parameter are higher than the default, if be higher than the default, control module can control alarm device and report to the police. Through the temperature, humidity and the magnetic field intensity of real-time detection resiliometer place the environment, in time give the user and send alarm signal, can reduce the resiliometer to a certain extent because the unusual possibility that damage appears of temperature, humidity and magnetic field intensity in the environment of depositing.

Optionally, the system further comprises a counting module and a rebound instrument, wherein the counting module and the rebound instrument are connected with the control module;

the rebound instrument is used for detecting the strength of the concrete and outputting a rebound value signal;

the control module is further used for outputting a rebound count signal when receiving the rebound value signal;

the counting module is used for receiving the rebound counting signal and counting and outputting a counting signal;

the control module is used for receiving the counting signal, and outputting an intensity signal when the times reflected by the counting signal reach a times preset value.

Through adopting above-mentioned technical scheme, when using the resiliometer to carry out the detection of concrete strength, control module carries out the record of data, and the count module is the data number of resiliometer record, and when data number reached the number of times and presets the value, control module can carry out concrete strength calculation according to the intensity calculation formula of preseting, reduces because the manual recording data has the inaccurate problem of misleading concrete strength result.

Optionally, the system further comprises a data comparison module, wherein the data comparison module is connected with the control module;

the data comparison module is used for receiving the intensity signals, and outputting intensity abnormal signals when the intensity of the intensity signal reaction is lower than an intensity preset value;

the control module is used for receiving the intensity abnormal signal and outputting an intensity alarm signal;

the alarm device is used for receiving the intensity alarm signal and giving an alarm.

Through adopting above-mentioned technical scheme, data comparison module is used for comparing the intensity value that control module calculated and preset intensity value, and when the intensity value that control module calculated can not reach preset intensity value, control module can control alarm device and report to the police, and data comparison module and alarm device's setting can make the staff of measurement learn in time that the concrete intensity of detection is unusual.

Optionally, the system further comprises a wireless connection module and a monitoring terminal, wherein the wireless connection module is connected with the control module, and the monitoring terminal is in communication connection with the control module through the wireless connection module;

the wireless connection module is used for receiving the intensity signal and the intensity alarm signal and outputting the intensity signal and the intensity alarm signal;

and the monitoring terminal is used for receiving the intensity signal and the intensity alarm signal.

Through adopting above-mentioned technical scheme, the setting of wireless connection module and monitoring terminal can make the data in the control module in time send to detection terminal, can let offsite detection personnel also can look over the detection condition of concrete in the first time.

Optionally, the device further comprises a flatness detection module, wherein the flatness detection module is connected with the control module;

the flatness detection module is used for detecting the flatness of the concrete to be detected and outputting a flatness detection signal;

the control module is used for receiving the flatness detection signal and outputting a flatness signal, and outputting a flatness abnormal signal when the flatness reflected by the flatness detection signal is not within a flatness threshold value range;

and the alarm device is used for receiving the flatness abnormal signal and alarming.

Through adopting above-mentioned technical scheme, when using the resiliometer to detect concrete strength, concrete planar roughness can influence the accuracy of the concrete strength data that finally obtains, when concrete planar roughness is not in the roughness threshold value scope, indicate that the concrete strength that uses the resiliometer to detect this moment obtains data and can not regard as measured data, alarm device's setting is in order to in time indicate the improper measuring concrete's of tester concrete roughness intensity, reduce because concrete roughness is unusual leads to detecting the problem that strength data is not advisable.

Optionally, the device also comprises a protective shell for placing the resiliometer, the protective shell comprises a shell, a first protective cover and a second protective cover, the first protective cover is positioned at the bottom end of the shell and is in threaded connection with the shell; the second protective cover is positioned at the top end of the shell and is in threaded connection with the shell.

Through adopting above-mentioned technical scheme, the resiliometer is used in building engineering generally, is in the environment of concrete and earth for a long time, and the shell of resiliometer-is made by plastics generally, and its surface is liable to contact with hard objects such as concrete and produce the mar, can influence the smoothness and the life on resiliometer surface. The resiliometer can be protected in the setting of casing, reduces the contact of resiliometer and the object in the external environment and then reduces the possibility that the resiliometer appears the mar, and the setting of first protective cover and second visor can make the resiliometer normal use in the casing.

Optionally, a display port is formed on the housing.

Through adopting above-mentioned technical scheme, the setting of display port makes things convenient for the resiliometer when using in the casing, staff read data.

Optionally, a plurality of support rods are further arranged on the shell, and the support rods are perpendicular to the plane of the concrete to be tested.

Through adopting above-mentioned technical scheme, the resiliometer when using, need with wait to detect the plane perpendicularly, the bracing piece is used for supporting the casing and wait to detect the plane perpendicularly, reduces the instability that appears in the use.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the environment detection module is arranged to detect the environment condition of the rebound instrument in real time, and the control module judges whether the environment of the rebound instrument is abnormal according to the detection condition of the environment detection module, if so, the control module gives an alarm to the control alarm device, and sends an alarm signal to a user in time by detecting the environment condition of the rebound instrument in real time, so that the possibility of damage of the rebound instrument due to the problem of environment storage can be reduced to a certain extent;

2. the wireless connection module and the monitoring terminal are arranged, so that data in the control module can be timely sent to the detection terminal, and off-site detection personnel can check the detection condition of the concrete at the first time;

3. the setting of data comparison module can compare the intensity value of control module output and preset intensity value, and when the intensity value of control module output can not reach preset intensity value, control module can control alarm device and report to the police, and the setting of data comparison module and alarm device can make the staff of measurement learn in time that the concrete intensity of detection is unusual.

Drawings

FIG. 1 is a system block diagram of a concrete rebound strength monitoring system as disclosed herein.

FIG. 2 is a circuit diagram of a data comparison module disclosed herein.

Fig. 3 is an exploded structural view of the protective case disclosed in the present application.

Reference numerals illustrate: 10. a control module; 20. an environment detection module; 201. a temperature detecting device; 202. a humidity detection device; 203. a magnetic field detection device; 30. an alarm device; 40. a resiliometer; 50. a counting module; 60. a data comparison module; 70. a wireless connection module; 80. monitoring a terminal; 90. a flatness detection module;

1. a protective shell; 11. a housing; 12. a first protective cover; 13. a second protective cover; 14. a display port; 15. and (5) supporting the rod.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-3.

The embodiment of the application discloses a concrete rebound intensity monitoring system. Referring to fig. 1, the concrete rebound intensity monitoring system includes a rebound meter 40, a counting module 50, a data comparison module 60, an alarm device 30 and a control module 10, wherein the rebound meter 40, the counting module 50, the data comparison module 60 and the alarm device 30 are all connected with the control module 10, the rebound meter 40 is used for testing the intensity of concrete, outputting a rebound value signal, the control module 10 receives the rebound value signal, outputs a rebound count signal, the counting module 50 receives the rebound count signal, starts counting and outputs the count signal, the control module 10 receives the count signal, when the number of times reflected by the count signal reaches a preset number of times, the control module 10 calculates the intensity of concrete according to a pre-stored intensity calculation formula, outputs an intensity signal, the data comparison module 60 receives an intensity signal, when the intensity reflected by the intensity signal is lower than the preset number of times, the control module 10 receives the intensity abnormality signal, and outputs an intensity alarm signal, the alarm device 30 includes an intensity alarm, and the intensity alarm receives the intensity alarm signal to alarm. In this embodiment, the intensity alarm is a buzzer alarm, and in other embodiments, other devices with alarm prompt functions may be used, which is not limited herein.

Referring to fig. 2, in the present embodiment, the data comparing module 60 includes a comparator N1 and an intensity setting unit, the intensity setting unit is configured to output an intensity preset value signal reflecting the intensity preset value, the intensity setting unit includes a fixed resistor R1 and a sliding resistor R2, the fixed resistor R1 and the sliding resistor R2 are connected in series to a power source, the sliding resistor R2 is disposed near a positive electrode of the power source, a common terminal of the fixed resistor R1 and the sliding resistor R2 outputs the intensity preset value signal, a non-inverting input terminal of the comparator N1 is connected to the intensity setting unit, a receiving intensity preset value signal, an inverting input terminal of the comparator N1 is connected to the control module 10, and receives the intensity signal, the comparator N1 outputs a high level signal, which is an intensity abnormality signal, when a voltage of the non-inverting input terminal is lower than a voltage of the inverting input terminal, and the comparator N1 outputs a low level signal. When the resistor is used, the preset intensity value can be set by changing the resistance value of the sliding resistor R2, and when the resistance value of the sliding resistor R2 is increased, the potential of the common end of the fixed resistor R1 and the sliding resistor R2 is reduced, namely, the voltage reflected by the preset intensity value signal is reduced.

When the resiliometer 40 is used for detecting the strength of the concrete, the data of the resiliometer 40 can be recorded by the arrangement of the control module 10 and the counting module 50, so that the working efficiency of manually recording the data is improved, the problem that the data recording errors occur in the manually recorded data can be reduced, the data comparison module 60 and the strength alarm can timely obtain the result of whether the strength of the concrete is qualified or not, the workload of workers is reduced, and the testing efficiency of the strength of the concrete is improved.

In order to reduce the influence of the flatness of the concrete plane on the data of the resiliometer 40, the concrete rebound intensity monitoring system further comprises a flatness detection module 90, the flatness detection module 90 is connected with the control module 10, the flatness detection module 90 is used for detecting the flatness of the concrete plane to be detected, a flatness detection signal is output, the control module 10 receives the flatness detection signal, when the flatness reflected by the flatness detection signal is not in the flatness threshold range, a flatness abnormal signal is output, the alarm device 30 further comprises a flatness alarm, and the flatness alarm receives the flatness abnormal signal and alarms. In this embodiment, the flatness detection module 90 is a flatness tester, and the flatness alarm is a buzzer alarm, and in other embodiments, other devices capable of realizing flatness detection may be used by the flatness detection module 90, and other devices with alarm prompt functions may be used by the flatness alarm, which is not limited herein.

In order to realize the real-time monitoring of the concrete strength data, the concrete strength monitoring system further comprises a wireless connection module 70 and a monitoring terminal 80, wherein the wireless connection module 70 is connected with the control module 10, and the monitoring terminal 80 is in communication connection with the control module 10 through the wireless connection module 70; the wireless connection module 70 receives and outputs the intensity signal and the intensity alarm signal output by the control module 10, and the monitoring terminal 80 receives and outputs the intensity signal and the intensity alarm signal, in this embodiment, the wireless communication module is a 4G module, the monitoring terminal 80 is a mobile phone, in other embodiments, the wireless communication module may be a bluetooth module or other devices capable of implementing wireless connection, and the monitoring terminal 80 may be a television, a tablet computer, a notebook computer or other terminal devices, which is not limited herein.

In order to reduce the occurrence of a fault of the rebound instrument 40 caused by the fact that a worker cannot timely find that the rebound instrument 40 is placed in an abnormal environment, the rebound instrument further comprises an environment detection module 20, the environment detection module 20 comprises a temperature detection device 201, a humidity detection device 202 and a magnetic field detection device 203, the temperature detection device 201, the humidity detection device 202 and the magnetic field detection device 203 are all connected with the control module 10, the temperature detection device 201 detects the temperature of the environment where the rebound instrument 40 is located, and a temperature detection signal is output; the humidity detection device 202 detects the humidity of the environment in which the rebound instrument 40 is located and outputs a humidity detection signal; the magnetic field detection device 203 detects the magnetic field intensity of the environment where the rebound instrument 40 is located and outputs a magnetic field detection signal; the control module 10 receives the temperature detection signal, the humidity detection signal and the magnetic field detection signal, outputs a temperature abnormality signal when the temperature reflected by the temperature detection signal is higher than a temperature preset value, outputs a humidity abnormality signal when the humidity reflected by the humidity detection signal is higher than a humidity preset value, and outputs a magnetic field abnormality signal when the magnetic field strength reflected by the magnetic field detection signal is higher than a magnetic field preset value; the alarm device 30 comprises a temperature alarm, a humidity alarm and a magnetic field alarm, wherein the temperature alarm receives a temperature abnormal signal and alarms, the humidity alarm receives a humidity abnormal signal and alarms, and the magnetic field alarm receives a magnetic field abnormal signal and alarms. In this embodiment, the temperature detecting device 201 is a temperature sensor, the humidity detecting device 202 is a humidity sensor, the magnetic field detecting device 203 is a magnetic field intensity tester, and the temperature alarm, the humidity alarm and the magnetic field alarm are all audible and visual alarms, in other embodiments, other devices with temperature detecting function may be used for the temperature detecting device 201, other devices with humidity detecting function may be used for the humidity detecting device 202, other devices with magnetic field intensity detecting function may be used for the magnetic field detecting device 203, and other devices with alarm or prompt function may be used for the temperature alarm, the humidity alarm and the magnetic field alarm, which are not limited herein.

The resiliometer is used as a detection device for detecting the compressive strength of concrete, and has wide application in engineering. In the use, the impact rod of resiliometer applys the impact of certain intensity to the measured object, detects the compressive strength of measured object according to the feedback of resilience. Because the resiliometer is usually used in building engineering, is in the environment of concrete and earth for a long time, and the shell of the resiliometer is made of plastics generally, and is softer, so that the surface of the resiliometer is easy to contact with hard objects such as concrete and the like to produce scratches, and the smoothness and the service life of the surface of the resiliometer are seriously affected. Referring to fig. 3, in order to reduce the possibility of damage to the resiliometer 40, a concrete rebound strength monitoring system further includes a protective housing 1, where the protective housing 1 includes a housing 11, a first protective cover 12 and a second protective cover 13, the housing 11 is cylindrical and has a cross-sectional area gradually decreasing from top to bottom, a first external thread is provided on an outer side of an end of the housing 11 having a small cross-sectional area, the first protective cover 12 is cylindrical, a first internal thread is provided on an inner side of the first protective cover 12, the first external thread is in threaded connection with the first internal thread, a second internal thread is provided on an outer side of an end of the housing 11 having a large cross-sectional area, the second protective cover 13 is cylindrical and has a second external thread provided on an outer side wall, and the second external thread is in threaded connection with the second internal thread; the shell 11 is also provided with a display port 14, and the display port 14 corresponds to the display part of the resiliometer 40 and is used for checking data of the display part of the resiliometer 40; the shell 11 is also provided with three support rods 15, and the support rods 15 are vertically arranged on the plane of the concrete to be detected and fixedly connected with the shell 11. In use, the second protective cover 13 is opened, the resiliometer 40 is placed in the protective housing 1, and the display portion of the resiliometer 40 corresponds to the display port 14 and the second protective cover 13 is screwed with the housing 11. When the resiliometer 40 is needed, the first protective cover 12 and the second protective cover 13 are opened, the supporting rod 15 is propped against the plane to be detected, then pressure is applied to the resiliometer 40, and data can be checked from the display port 14.

The implementation principle of the concrete rebound intensity monitoring system provided by the embodiment of the application is as follows: the temperature detection device 201 detects the temperature of the environment where the rebound instrument 40 is located, outputs a temperature detection signal, the humidity detection device 202 detects the humidity of the environment where the rebound instrument 40 is located, outputs a humidity detection signal, the magnetic field detection device 203 detects the magnetic field intensity of the environment where the rebound instrument 40 is located, outputs a magnetic field detection signal, the control module 10 receives the temperature detection signal, the humidity detection signal and the magnetic field detection signal, and outputs a temperature abnormality signal, a humidity abnormality signal and a magnetic field abnormality signal when the environmental parameters reflected by the temperature detection signal, the humidity detection signal and the magnetic field detection signal are all greater than the environmental parameter preset values, and the alarm device 30 receives the temperature abnormality signal, the humidity abnormality signal and the magnetic field abnormality signal and alarms.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (9)

1. A concrete resilience intensity monitoring system is characterized in that: the environment detection system comprises a control module (10), an environment detection module (20) and an alarm device (30), wherein the environment detection module (20) and the alarm device (30) are connected with the control module (10);

the environment detection module (20) is used for detecting the environment condition of the rebound instrument (40) and outputting an environment detection signal;

the control module (10) is used for receiving the environment detection signal, and outputting an alarm signal when the parameter reflected by the environment detection signal is higher than a parameter preset value;

the alarm device (30) is used for receiving the alarm signal and giving an alarm.

2. The concrete rebound strength monitoring system of claim 1, wherein: the environment detection module (20) comprises a temperature detection device (201), a humidity detection device (202) and a magnetic field detection device (203), wherein the temperature detection device (201), the humidity detection device (202) and the magnetic field detection device (203) are connected with the control module (10);

the temperature detection device (201) is used for detecting the temperature of the environment where the rebound instrument (40) is positioned and outputting a temperature detection signal;

the humidity detection device (202) is used for detecting the humidity of the environment where the rebound instrument (40) is positioned and outputting a humidity detection signal;

the magnetic field detection device (203) is used for detecting the magnetic field intensity of the environment where the rebound instrument (40) is positioned and outputting a magnetic field detection signal;

the control module (10) is used for receiving the temperature detection signal, the humidity detection signal and the magnetic field detection signal, outputting a temperature abnormality signal when the temperature reflected by the temperature detection signal is higher than a temperature preset value, outputting a humidity abnormality signal when the humidity reflected by the humidity detection signal is higher than a humidity preset value, and outputting a magnetic field abnormality signal when the magnetic field intensity reflected by the magnetic field detection signal is higher than a magnetic field preset value;

the alarm device (30) is used for receiving the temperature abnormal signal, the humidity abnormal signal and the magnetic field abnormal signal, and alarming when any one or more signals of the temperature abnormal signal, the humidity abnormal signal and the magnetic field abnormal signal are received.

3. The concrete rebound strength monitoring system of claim 1, wherein: the system further comprises a counting module (50) and a resiliometer (40), wherein the counting module (50) and the resiliometer (40) are connected with the control module (10);

the rebound instrument (40) is used for detecting the strength of the concrete and outputting a rebound value signal;

the control module (10) is further used for outputting a rebound count signal when receiving the rebound value signal;

the counting module (50) is used for receiving the rebound counting signal and counting and outputting a counting signal;

the control module (10) is used for receiving the counting signal, and outputting an intensity signal when the number of times reflected by the counting signal reaches a preset number of times value.

4. A concrete rebound strength monitoring system according to claim 3, wherein: the system further comprises a data comparison module (60), wherein the data comparison module (60) is connected with the control module (10);

the data comparison module (60) is used for receiving the intensity signal, and outputting an intensity abnormal signal when the intensity of the intensity signal reaction is lower than an intensity preset value;

the control module (10) is used for receiving the intensity abnormal signal and outputting an intensity alarm signal;

the alarm device (30) is used for receiving the intensity alarm signal and giving an alarm.

5. The concrete rebound strength monitoring system of claim 4, wherein: the intelligent monitoring system further comprises a wireless connection module (70) and a monitoring terminal (80), wherein the wireless connection module (70) is connected with the control module (10), and the monitoring terminal (80) is in communication connection with the control module (10) through the wireless connection module (70);

the wireless connection module (70) is used for receiving the intensity signal and the intensity alarm signal and outputting the intensity signal and the intensity alarm signal;

the monitoring terminal (80) is used for receiving the intensity signal and the intensity alarm signal.

6. A concrete rebound strength monitoring system according to claim 3, wherein: the system further comprises a flatness detection module (90), wherein the flatness detection module (90) is connected with the control module (10);

the flatness detection module (90) is used for detecting the flatness of the concrete to be detected and outputting a flatness detection signal;

the control module (10) is used for receiving the flatness detection signal and outputting a flatness signal, and outputting a flatness abnormal signal when the flatness reflected by the flatness detection signal is not within a flatness threshold value range;

and the alarm device (30) is used for receiving the flatness abnormal signal and alarming.

7. A concrete rebound strength monitoring system according to claim 3, wherein: the rebound device comprises a shell, and is characterized by further comprising a protective shell (1), wherein the protective shell (1) is used for placing a rebound device (40), the protective shell (1) comprises a shell (11), a first protective cover (12) and a second protective cover (13), and the first protective cover (12) is positioned at the bottom end of the shell (11) and is in threaded connection with the shell (11); the second protective cover (13) is positioned at the top end of the shell (11) and is in threaded connection with the shell (11).

8. The concrete rebound strength monitoring system of claim 7, wherein: the shell (11) is provided with a display port (14).

9. The concrete rebound strength monitoring system of claim 7, wherein: a plurality of support rods (15) are further arranged on the shell (11), and the support rods (15) are perpendicular to the plane of the concrete to be tested.

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