Steel bar spacing measuring device and steel bar spacing measuring method

Abstract

The present invention discloses a steel bar spacing measurement device and a steel bar spacing measurement method, wherein the steel bar spacing measurement device includes a device housing having a containing cavity; a geomagnetic metal sensor slidably disposed in the containing cavity of the device housing, used to detect the metal induction value generated with the wall steel bar; a sliding stroke encoder disposed at one end of the containing cavity of the device housing and electrically connected to the geomagnetic metal sensor, the sliding stroke encoder being used to detect the moving distance value of the geomagnetic metal sensor; a main control chip disposed in the containing cavity, the main control chip being electrically connected to the geomagnetic metal sensor and the sliding stroke encoder, the main control chip being used to calculate the spacing between two adjacent steel bars according to the metal induction value and the moving distance value. The technical solution of the present invention improves the measurement accuracy and measurement efficiency.

Description

Technical Field

[0001] The present invention relates to the technical field of measuring equipment, and in particular to a steel bar spacing measuring device and a steel bar spacing measuring method. Background Art

[0002] In existing reinforced concrete structures, multiple steel bar spacings are measured manually and inspection data are recorded manually. In the measurement and recording process, inaccurate measurements and missed records are prone to occur, resulting in low measurement efficiency. Summary of the invention

[0003] The main purpose of the invention is to provide a steel bar spacing measuring device, aiming to improve the measurement accuracy and measurement efficiency.

[0004] To achieve the above object, the present invention provides a steel bar spacing measuring device, comprising:

[0005] The device housing has a receiving cavity;

[0006] A geomagnetic metal sensor is slidably disposed in the accommodating cavity of the device housing and is used to detect the metal induction value generated by the wall steel bars;

[0007] A sliding stroke encoder is provided at one end of the accommodating cavity of the device housing and is electrically connected to the geomagnetic metal sensor, wherein the sliding stroke encoder is used to detect a moving distance value of the geomagnetic metal sensor;

[0008] A main control chip is disposed in the accommodating cavity. The main control chip is electrically connected to the geomagnetic metal sensor and the sliding stroke encoder. The main control chip is used to calculate the distance between two adjacent steel bars according to the metal sensing value and the moving distance value.

[0009] Preferably, the device shell is provided with guide rails on the opposite side walls of the accommodating cavity, and each guide rail is provided with a slide groove; the steel bar spacing measuring device also includes a moving device, which is movably connected in the slide groove, the geomagnetic metal sensor is arranged on the moving device, and the sliding stroke encoder is arranged at one end of the slide groove.

[0010] Preferably, the moving device includes a driving component and a sliding component arranged in the slide groove, the driving component is arranged at one end of the slide groove adjacent to the sliding stroke encoder and is electrically connected to the main control chip, the geomagnetic metal sensor is arranged on the sliding component, the sliding component is transmission-connected to the driving component, and the driving component drives the sliding component to drive the geomagnetic metal sensor to move along the slide groove.

[0011] Preferably, the sliding component includes a spiral guide rod, a guide rod sleeve and a fixed plate, the guide rod sleeve is provided with a threaded through hole, the guide rod sleeve is sleeved on the spiral guide rod through the threaded through hole, one end of the spiral guide rod is transmission-connected to the driving component, the main control chip is electrically connected to the driving component, one side of the fixed plate is fixed to the outer wall of the guide rod sleeve, and the opposite sides of the fixed plate are respectively slidably disposed in the two slide grooves; the geomagnetic metal sensor is disposed on a side of the fixed plate facing away from the guide rod sleeve.

[0012] Preferably, the steel bar spacing measuring device further comprises a key switch arranged on the outer wall of the device housing, and the geomagnetic metal sensor and the sliding stroke encoder are both electrically connected to the key switch.

[0013] Preferably, the steel bar spacing measuring device also includes a circuit board and a Bluetooth module arranged in the accommodating cavity, the circuit board is arranged at one end of the accommodating cavity of the device housing, and the sliding stroke encoder, the main control chip and the Bluetooth module are arranged on the circuit board, the main control chip is electrically connected to the Bluetooth module, and the Bluetooth module is used to connect to the mobile client signal.

[0014] Preferably, the steel bar spacing measuring device further comprises a GPS module arranged on the circuit board, the GPS module is electrically connected to the main control chip, and the GPS module is used to obtain the real-time position of the current measurement.

[0015] Preferably, the steel bar spacing measurement device also includes a camera for capturing the measurement image and a cloud server. A bracket for installing the camera is provided on the device housing, and the camera is located above the device housing. The main control chip is electrically connected to the camera, and the cloud server is signal-connected to the camera.

[0016] Preferably, the steel bar spacing measuring device further comprises a wireless transmission module disposed in the accommodating cavity, the wireless transmission module is electrically connected to the camera, and the wireless transmission module is signal-connected to the cloud server.

[0017] The present invention also provides a method for measuring the spacing between steel bars using the above-mentioned steel bar spacing measuring device, wherein the method for measuring the spacing between steel bars comprises the following steps:

[0018] Controlling the geomagnetic metal sensor to slide along the device housing and obtaining a plurality of metal sensing values;

[0019] Controlling the sliding stroke encoder to detect the moving distance value of the geomagnetic metal sensor and obtain a plurality of moving distance values, wherein the plurality of metal sensing values ​​correspond to the plurality of moving distance values ​​one by one, and the plurality of moving distance values ​​are arranged in a detection order;

[0020] According to the obtained multiple metal sensing values ​​and multiple moving distance values, the main control chip obtains two adjacent largest metal sensing values ​​and their corresponding two moving distance values, and calculates the distance between two adjacent steel bars according to the two moving distance values.

[0021] The technical solution of the present invention adopts a geomagnetic metal sensor electrically connected to a sliding stroke encoder to detect the moving distance value of the geomagnetic metal sensor. The geomagnetic metal sensor is used to detect the metal induction value generated by the response to the wall steel bars during the uniform speed movement; the geomagnetic metal sensor and the sliding stroke encoder are both connected to the main control chip; the geomagnetic metal sensor can obtain the metal induction value generated by the response of its own magnetic field to the steel bars in the wall during the movement, and the metal induction value with the largest value corresponds to the steel bars in the wall, so as to obtain the location of the steel bars, and the moving distance value of the geomagnetic metal sensor is detected by the sliding stroke encoder, and the location of the steel bars is marked with data; finally, the main control chip calculates the spacing of the steel bars according to the moving distance value corresponding to the two largest metal induction values ​​adjacent to the extraction position, and the entire operation does not require manual measurement and calculation, while ensuring the accuracy of the measurement, it also directly improves the measurement efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0023] Figure 1 A schematic diagram of a process flow of an embodiment of a steel bar spacing measuring device of the present invention;

[0024] Figure 2 It is a structural schematic diagram of the steel bar spacing measuring device of the present invention;

[0025] Figure 3 It is a cross-sectional schematic diagram of a steel bar spacing measuring device of the present invention;

[0026] Figure 4 The present invention is a flowchart of the steps of the method for measuring the spacing between steel bars.

[0027] Description of Figure Numbers:

[0028] Label name Label name 10 Main control chip 20 Sliding travel encoder 30 Geomagnetic Metal Sensor 40 Equipment housing 40a Accommodation cavity 41 guide 41a Chute 50 Sliding parts 51 Spiral guide rod 52 Guide rod sleeve 53 Fixed plate 60 Drive components 70 Pushbutton switch 80 Bluetooth module 90 GPS Module 100 Camera 110 Cloud Server 120 Wireless transmission module

[0029] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0032] In addition, the descriptions of "first", "second", etc. in the present invention are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0033] The invention provides a steel bar spacing measuring device.

[0034] In the embodiment of the present invention, refer to Figures 1 to 3 , a steel bar spacing measuring device comprises:

[0035] The device housing 40 has a receiving cavity 40a;

[0036] The geomagnetic metal sensor 30 is slidably disposed in the accommodating cavity 40a of the device housing 40, and is used to detect the metal induction value generated by the wall steel bars;

[0037] A sliding stroke encoder 20 is disposed at one end of the accommodating cavity 40a of the device housing 40 and is electrically connected to the geomagnetic metal sensor 30. The sliding stroke encoder 20 is used to detect the moving distance value of the geomagnetic metal sensor 30;

[0038] The main control chip 10 is disposed in the accommodating cavity 40a. The main control chip 10 is electrically connected to the geomagnetic metal sensor 30 and the sliding stroke encoder 20. The main control chip 10 is used to calculate the distance between two adjacent steel bars based on the metal sensing value and the moving distance value.

[0039] In this embodiment, the steel bar spacing measuring device can be provided with a mechanical switch or an induction switch; the geomagnetic metal sensor 30 moves on the measuring wall and detects the metal induction value generated by the response of its own magnetic field and the steel bars in the wall, and the position with the strongest response corresponds to the maximum metal induction value, so that the user can obtain the location of the steel bars. If the geomagnetic metal sensor 30 moves to the closest to the steel bars in the wall, the metal induction value obtained by the geomagnetic metal sensor 30 is the maximum value, so the maximum metal induction value proves that the position is the position of the steel bars. While the geomagnetic metal sensor 30 is moving, the sliding stroke encoder 20 detects the moving distance of the geomagnetic metal sensor 30. Each moving distance detected by the sliding stroke encoder 20 can correspond to a metal induction value detected by the geomagnetic metal sensor 30. After the geomagnetic metal sensor 30 stops moving, the sliding stroke encoder 20 also stops detecting and transmits all moving distance values ​​to the main control chip 10. In this embodiment, all metal induction values ​​have corresponding moving distance values ​​to determine the location of the metal induction value.

[0040] When the user places the steel bar spacing measurement device on the measuring wall, the mechanical switch or induction switch is activated, and the geomagnetic metal sensor 30 immediately starts to move and continuously detects the metal induction value, and transmits all the detected metal induction values ​​to the main control chip 10; after receiving multiple metal induction values ​​and the moving distance values ​​corresponding to these metal induction values, the main control chip 10 first screens out multiple metal induction values ​​with the largest and the same values, and obtains the moving distance values ​​corresponding to these metal induction values ​​with the largest values. The moving distance values ​​detected by the sliding stroke encoder 20 during the movement of the geomagnetic metal sensor 30 are arranged in order from small to large, and each moving distance value corresponds to the metal induction value detected by the geomagnetic metal sensor 30; at this time, the main control chip extracts the moving distances corresponding to the two adjacent metal induction values ​​with the largest values ​​according to the order of the moving distance values ​​transmitted by the sliding stroke encoder 20, and subtracts them, and the difference obtained is the spacing between the two adjacent steel bars. In the above-mentioned whole measuring and calculating process, the position of the steel bar is known by the metal sensing value, and the moving distance value corresponding to the maximum metal sensing value is used as the position parameter, and finally the moving distance values ​​corresponding to the two adjacent maximum metal sensing values ​​are subtracted to obtain the spacing of the steel bars. With such a configuration, accurate judgment and calculation parameters can be obtained by relying on the geomagnetic metal sensor 30 and the sliding stroke encoder 20, and the spacing between two adjacent steel bars can be obtained according to the preset calculation method. The whole operation does not require manual measurement and calculation, which directly improves the measurement efficiency while ensuring the accuracy of the measurement.

[0041] The technical solution of the present invention electrically connects the geomagnetic metal sensor 30 with the sliding stroke encoder 20 to detect the moving distance value of the geomagnetic metal sensor 30. The geomagnetic metal sensor 30 is used to detect the metal induction value generated by the response to the wall steel bars during the uniform speed movement; the geomagnetic metal sensor 30 and the sliding stroke encoder 20 are both connected to the main control chip 10; the geomagnetic metal sensor 30 can obtain the metal induction value generated by the response of its own magnetic field to the steel bars in the wall during the movement, and the metal induction value with the largest value corresponds to the steel bars in the wall, thereby obtaining the location of the steel bars, and the moving distance value of the geomagnetic metal sensor 30 is detected by the sliding stroke encoder 20, and the location of the steel bars is marked with data; finally, the main control chip 10 subtracts the moving distance values ​​corresponding to the two largest metal induction values ​​adjacent to the extraction position to obtain the spacing of the steel bars. The entire operation does not require manual measurement and calculation, which directly improves the measurement efficiency while ensuring the accuracy of the measurement.

[0042] Further, refer to Figures 1 to 3 The device housing 40 is provided with guide rails 41 on the opposite side walls of the accommodating cavity 40a, and each guide rail 41 is provided with a slide groove 41a; the steel bar spacing measuring device also includes a moving device (not shown), which is movably connected in the slide groove 41a, the geomagnetic metal sensor 30 is arranged on the moving device, and the sliding stroke encoder 20 is arranged at one end of the slide groove 41a.

[0043] In this embodiment, the geomagnetic metal sensor 30 is arranged on a moving device, and the moving device movably connected to the slide groove 41a drives the geomagnetic metal sensor 30 to move in the slide groove 41a, thereby directly improving the activity stability of the geomagnetic metal sensor 30, so as to ensure that the geomagnetic metal sensor 30 can stably move at a uniform speed on the slide groove 41a, and obtain a correct metal sensing value. The sliding stroke encoder 20 is fixed at one end of the slide groove 41a, does not move with the geomagnetic metal sensor 30, and uses the magnetic field emitted by itself to respond to the geomagnetic metal sensor 30 after moving to form a moving distance value.

[0044] Preferably, refer to Figures 1 to 3 The moving device (not shown) includes a driving component 60 and a sliding component 50 arranged in the slide groove 41a. The driving component 60 is arranged at one end of the slide groove 41a adjacent to the sliding stroke encoder 20 and is electrically connected to the main control chip 10. The geomagnetic metal sensor 30 is arranged on the sliding component 50. The sliding component 50 is transmission-connected to the driving component 60. The driving component 60 drives the sliding component 50 to drive the geomagnetic metal sensor 30 to move along the slide groove 41a.

[0045] Preferably, refer to Figures 1 to 3The sliding component 50 includes a spiral guide rod 51, a guide rod sleeve 52 and a fixed plate 53. The guide rod sleeve 52 is provided with a threaded through hole. The guide rod sleeve 52 is sleeved on the spiral guide rod 51 through the threaded through hole. One end of the spiral guide rod 51 is connected to the driving component 60 in a transmission manner. The main control chip 10 is electrically connected to the driving component 60. One side of the fixed plate 53 is fixed to the outer wall of the guide rod sleeve 52. The two opposite sides of the fixed plate 53 are respectively slidably arranged in the two slide grooves 41a. The geomagnetic metal sensor 30 is arranged on the side of the fixed plate 53 away from the guide rod sleeve 52. In this embodiment, when the mechanical switch or the induction switch is pressed, the main control chip 10 controls the driving component 60 to start operating, and the driving component 60 drives the spiral guide rod 51 to rotate, so that the guide rod sleeve 52 movably connected to the spiral guide rod 51 moves forward, so that the fixed plate 53 located on the guide rod sleeve 52 also moves forward, and finally the geomagnetic metal sensor 30 located on the fixed plate 53 moves.

[0046] Further, refer to Figures 1 to 3 The sliding component 50 includes two guide rod sleeves 52 and two fixed plates 53, the two guide rod sleeves 52 are sleeved on the spiral guide rod 51, the two guide rod sleeves 52 are arranged at intervals, and the two fixed plates 53 are respectively arranged on the two guide rod sleeves 52; and the steel bar interval measuring device is provided with two geomagnetic metal sensors 30, and the two geomagnetic metal sensors 30 are respectively arranged on the two fixed plates 53; through the above arrangement, the wall can be divided into two detection routes, and the two geomagnetic metal sensors 30 move on the same spiral guide rod 51 at the same time, so that the geomagnetic metal sensors 30 can detect the metal induction value at the same time, so that the length of the detection route of the geomagnetic metal sensor 30 can be shortened, and the detection efficiency of the geomagnetic metal sensor 30 can be improved.

[0047] Further, refer to Figures 1 to 3 The steel bar spacing measuring device also includes a key switch 70 arranged on the outer wall of the device housing 40, and the key switch 70 is spaced apart from the slide groove 41a, and the geomagnetic metal sensor 30 and the sliding stroke encoder 20 are both electrically connected to the key switch 70.

[0048] In this embodiment, when the push switch 70 is pressed, the geomagnetic metal sensor 30 starts to move and detects the metal induction value of the steel bars on the wall after receiving the start signal of the push switch 70; and the sliding stroke encoder 20 also starts to detect the moving distance value of the geomagnetic metal sensor 30 after receiving the start signal of the push switch 70; in this way, the mechanical push switch 70 is used to facilitate the user to start the geomagnetic metal sensor 30 and the sliding stroke encoder 20, and the start is more accurate.

[0049] Further, refer to Figures 1 to 3 , the steel bar spacing measurement device also includes a Bluetooth module 80 arranged in the accommodating cavity 40a, the main control chip 10 is electrically connected to the Bluetooth module 80, and the Bluetooth module 80 is used to connect with the mobile client signal. In this embodiment, after the main control chip 10 obtains the metal induction value from the geomagnetic metal sensor 30 and the movement data value from the sliding stroke encoder 20, the spacing data of the steel bars is obtained according to the preset calculation method, and finally the metal induction value with the largest value, the movement distance value corresponding to the largest metal induction value, and the spacing data obtained by calculation are transmitted to the user's mobile client through the Bluetooth module 80. In this way, the user can conveniently view the current steel bar spacing on the wall through the mobile client, thereby improving the user's convenience. In this embodiment, the mobile client is the user's mobile phone or mobile terminal.

[0050] Further, refer to Figures 1 to 3 The steel bar spacing measuring device also includes a GPS module 90 disposed on the circuit board, the GPS module 90 is electrically connected to the main control chip 10, and the GPS module 90 is used to obtain the real-time position of the current measurement. In this embodiment, when the geomagnetic metal sensor is measuring and running, the main control chip 10 controls the GPS module 90 to obtain the real-time position of the current measurement, and the GPS module 90 transmits the obtained real-time position signal to the main control chip 10, and the main control chip 10 transmits the signal to the mobile client and the cloud server to facilitate data storage and organization.

[0051] Further, refer to Figures 1 to 3 , the steel bar spacing measuring device also includes an LED display screen (not shown) arranged on the outer wall of the device housing 40, and the LED display screen is arranged at an interval from the key switch 70, and the LED display screen is electrically connected to the main control chip 10. In this embodiment, the main control chip 10 obtains the metal sensing value moving distance value and the steel bar spacing obtained by calculation through the LED display screen arranged on the surface of the device housing 40, so that the engineering surveying personnel can intuitively view the measurement data and calculation results, which is convenient for the engineering surveying personnel to make quality inspection results for the building in time and improve the quality inspection efficiency. In this embodiment, when the LED display screen of the steel bar spacing measuring device is close to the wall for 5 seconds, the main control chip 10 can calculate the spacing and transmit it to the LED display screen for display.

[0052] Further, refer to Figures 1 to 3The steel bar spacing measuring device further includes a status indicator green light (not shown) provided on the device housing 40, and the status indicator green light is electrically connected to the main control chip 10, and is used to remind the user that the steel bar spacing measuring device is in a test state. In this embodiment, when the geomagnetic metal sensor 30 and the sliding stroke encoder 20 are detecting, the main control chip 10 controls the status indicator green light to light up. Such a setting allows engineering surveyors to more intuitively understand the measurement progress, and improves the convenience of using the steel bar spacing measuring device.

[0053] Further, refer to Figures 1 to 3 , the steel bar spacing measurement device also includes a camera 100 and a cloud server 110 for capturing the measurement screen, the device housing 40 is provided with a bracket (not shown) for installing the camera 100, and the camera 100 is located above the device housing 40, the main control chip 10 is electrically connected to the camera 100, and the cloud server 110 is connected to the camera 100 by signal. In this embodiment, when the geomagnetic metal sensor 30 and the sliding stroke encoder 20 of the steel bar spacing measurement device begin to detect data, the main control chip 10 controls the camera 100 to capture the operation screen of the entire detection data, and the operation screen includes the user and the surrounding background environment; after the camera 100 captures, the main control chip 10 controls the camera 100 to upload the captured operation screen to the cloud server 110, and the cloud server 110 stores all the operation screens of multiple steel bar spacing measurement devices to ensure the authenticity of the measurement operation and improve the authenticity of the measurement results of the steel bar spacing measurement device. And the cloud server 110 stores all the operation screen data of multiple steel bar spacing measurement devices, so that the staff can analyze and collect all the data of the project building.

[0054] Further, refer to Figures 1 to 3 The steel bar spacing measuring device further includes a wireless transmission module 120 disposed in the accommodating cavity 40a, the wireless transmission module 120 is electrically connected to the camera 100, and the wireless transmission module 120 is signal-connected to the cloud server 110. In this embodiment, the camera 100 is wirelessly connected to the cloud server 110 through the wireless transmission module 120, thereby improving the convenience of data transmission between the camera 100 and the cloud server 110.

[0055] The present invention also provides a steel bar spacing measurement method of the steel bar spacing measurement device as described above, referring to Figure 4 , the method for measuring the steel bar spacing comprises the following steps:

[0056] S10: controlling the geomagnetic metal sensor to slide along the device housing and obtaining a plurality of metal sensing values;

[0057] In this embodiment, the geomagnetic metal sensor continuously generates metal induction values ​​of different values ​​during the sliding process in the device housing; wherein, the metal induction value generated by the geomagnetic metal sensor when the distance to the steel bars on the measured wall is the maximum value, indicating that the position is where the steel bars are located. The measurement accuracy of the geomagnetic metal sensor in this embodiment is that one metal induction value is detected for every centimeter of movement, so as to ensure the most accurate measurement of the steel bar position.

[0058] S20: Control the sliding stroke encoder to detect the moving distance value of the geomagnetic metal sensor, and obtain a plurality of moving distance values, wherein the plurality of metal sensing values ​​correspond to the plurality of moving distance values ​​one by one, and the plurality of moving distance values ​​are arranged in a detection order;

[0059] In this embodiment, during the movement of the geomagnetic metal sensor, the sliding stroke encoder can measure the moving distance of the geomagnetic metal sensor to obtain the moving distance value; in this embodiment, each moving distance value of one centimeter corresponds to a metal sensing value. With this setting, the corresponding relationship between the metal sensing value and the moving distance value can be used, so that the main control chip can obtain the moving distance value corresponding to the metal sensing value with the largest value. The main control chip obtains the real-time position of the metal sensing value with the largest value through analysis, that is, obtains the real-time position of the steel bar, and indicates the position of the steel bar through the moving distance value, which is also convenient for subsequent calculations. For example: the geomagnetic metal sensor detects multiple metal sensing values ​​A1, A2, A3, A4, A5, ···An, and the corresponding moving distance values ​​detected by the sliding stroke encoder are B1, B2, B3, B4, B5···Bn. The metal sensing values ​​A1, A2, A3, A4, A5, ···An described here correspond to the moving distance values ​​B1, B2, B3, B4, B5···Bn. When the sliding stroke encoder is measuring the geomagnetic metal induction value, it will detect multiple corresponding moving distance values, and these moving distance values ​​are arranged in sequence according to the moving path and detection order of the geomagnetic metal induction value, that is, B1, B2, B3, B4, B5...Bn. The moving distance values ​​are arranged from small to large.

[0060] S30: According to the obtained multiple metal sensing values ​​and multiple moving distance values, the main control chip obtains two adjacent largest metal sensing values ​​and their corresponding two moving distance values, and calculates the distance between two adjacent steel bars according to the two moving distance values.

[0061] In this embodiment, the main control chip obtains multiple metal sensing values ​​and multiple moving distance values, and obtains the metal sensing value with the largest value; in view of the fact that there are multiple steel bars on the wall, multiple metal sensing values ​​with the largest values ​​can be obtained in the largest measurement path of the geomagnetic metal sensor, and these metal sensing values ​​with the largest values ​​are the same. The user can obtain two adjacent moving distance values ​​from the multiple moving distance values ​​arranged in the detection order according to his own measurement needs. At this time, the main control chip determines that the two adjacent moving distance values ​​are the distances between the two adjacent steel bars and the measurement starting point respectively; then the main control chip subtracts the two moving distance values ​​to obtain a difference, which is the distance between the two adjacent steel bars. Specific example: when the main control chip obtains two adjacent maximum metal sensing values ​​A2 and A5 with two moving distance values, and obtains the corresponding moving distance values ​​B2 and B5, then the difference obtained by subtracting the larger value B5 from the smaller value B2 is the spacing between the two steel bars corresponding to A2 and A5.

[0062] The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the inventive concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A steel bar spacing measuring device, characterized in that: include: The device housing has a receiving cavity; A geomagnetic metal sensor is slidably disposed in the accommodating cavity of the device housing and is used to detect the metal induction value generated by the wall steel bars; A sliding stroke encoder is provided at one end of the accommodating cavity of the device housing and is electrically connected to the geomagnetic metal sensor, wherein the sliding stroke encoder is used to detect a moving distance value of the geomagnetic metal sensor; A main control chip is arranged in the accommodating cavity, the main control chip is electrically connected to the geomagnetic metal sensor and the sliding stroke encoder, and the main control chip is used to calculate the distance between two adjacent steel bars according to the metal sensing value and the moving distance value; the device housing is provided with guide rails on the cavity walls on opposite sides of the accommodating cavity, and each of the guide rails is provided with a slide groove; the steel bar spacing measuring device also includes a moving device, the moving device is movably connected in the slide groove, the geomagnetic metal sensor is arranged on the moving device, and the sliding stroke encoder is arranged at one end of the slide groove; The moving device includes a driving component and a sliding component arranged in the slide slot, wherein the driving component is arranged at one end of the slide slot adjacent to the sliding stroke encoder and is electrically connected to the main control chip, the geomagnetic metal sensor is arranged on the sliding component, the sliding component is transmission-connected to the driving component, and the driving component drives the sliding component to drive the geomagnetic metal sensor to move along the slide slot; The sliding component comprises a spiral guide rod, a guide rod sleeve and a fixed plate, the guide rod sleeve is provided with a threaded through hole, the guide rod sleeve is sleeved on the spiral guide rod through the threaded through hole, one end of the spiral guide rod is transmission-connected with the driving component, the main control chip is electrically connected with the driving component, one side of the fixed plate is fixed to the outer wall of the guide rod sleeve, and the opposite sides of the fixed plate are respectively slidably arranged in the two slide grooves; the geomagnetic metal sensor is arranged on a side of the fixed plate away from the guide rod sleeve; The steel bar spacing measurement device also includes a camera and a cloud server for capturing measurement images. A bracket for installing the camera is provided on the device housing, and the camera is located above the device housing. The main control chip is electrically connected to the camera, and the cloud server is signal-connected to the camera.

2. The steel bar spacing measuring device according to claim 1, characterized in that: The steel bar spacing measuring device also includes a key switch arranged on the outer wall of the device housing, and the geomagnetic metal sensor and the sliding stroke encoder are both electrically connected to the key switch.

3. The steel bar spacing measuring device according to claim 2, characterized in that: The steel bar spacing measuring device also includes a circuit board and a Bluetooth module arranged in the accommodating cavity. The circuit board is arranged at one end of the accommodating cavity of the device housing, and the sliding stroke encoder, the main control chip and the Bluetooth module are arranged on the circuit board. The main control chip is electrically connected to the Bluetooth module, and the Bluetooth module is used to connect to the mobile client signal.

4. The steel bar spacing measuring device according to claim 3, characterized in that: The steel bar spacing measuring device also includes a GPS module arranged on the circuit board, the GPS module is electrically connected to the main control chip, and the GPS module is used to obtain the real-time position of the current measurement.

5. The steel bar spacing measuring device according to claim 1, characterized in that: The steel bar spacing measuring device also includes a wireless transmission module arranged in the accommodating cavity, the wireless transmission module is electrically connected to the camera, and the wireless transmission module is signal-connected to the cloud server.

6. A method for measuring the spacing between steel bars according to any one of claims 1 to 5, characterized in that: The method for measuring the spacing between steel bars comprises the following steps: Controlling the geomagnetic metal sensor to slide along the device housing and obtaining a plurality of metal sensing values; Controlling the sliding stroke encoder to detect the moving distance value of the geomagnetic metal sensor, and obtaining a plurality of moving distance values, wherein the plurality of metal sensing values ​​correspond to the plurality of moving distance values ​​one by one, and the plurality of moving distance values ​​are arranged in a detection order; According to the obtained multiple metal sensing values ​​and multiple moving distance values, the main control chip obtains the two adjacent largest metal sensing values ​​and their corresponding two moving distance values, and calculates the distance between two adjacent steel bars according to the two moving distance values.

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