CN209911272U - A non-destructive multi-point continuous measurement device for water content of masonry materials - Google Patents

Abstract

The utility model discloses a non-destructive multi-point continuous measuring device for the moisture content of masonry materials. The technical scheme adopted by the utility model is: a non-destructive multi-point continuous measuring device for the water content of masonry materials, comprising: a plurality of measuring probes, respectively installed on the measuring brackets for detecting the water content of masonry materials at each measuring point Data; data processor, used to receive the water content data detected by the measuring probe, and provide the measuring probe with high-frequency waves of a fixed frequency; measuring bracket, used to install multiple measuring probes, and make the multiple measuring probes and each measuring point The stress between them is maintained within the preset value range. The utility model patent achieves the effect of convenient and accurate measurement of the moisture content of masonry, and at the same time, it can achieve continuous measurement and wireless transmission of multi-point data.

Description

A non-destructive multi-point continuous measurement device for water content of masonry materials

technical field

The utility model relates to a non-destructive multi-point continuous measuring device for the water content of masonry materials, in particular for non-movable cultural relic masonry materials to realize multi-point continuous non-destructive measurement.

Background technique

In the field of cultural relics protection of ancient buildings, water is the common and most important factor leading to diseases. The measurement of moisture content of masonry materials has always been an important part of the protection of immovable cultural relics. Based on the principle of minimal intervention in cultural relics protection, non-destructive testing technology is becoming more and more It is used in the field of cultural relics protection. At present, various manufacturers produce a portable moisture meter measuring instrument, which has no destructive effect on the surface of the measured object. However, this kind of water content measuring instrument is only suitable for single-point measurement on site, only on-site reading, and cannot carry out continuous long-term measurement of records. This patent designs a water content measuring instrument, which realizes non-destructive multi-point continuous measurement of immovable cultural relics and masonry materials, and solves the drawbacks of water content measuring instruments on the market today.

Utility model content

In view of the deficiencies of the prior art, the purpose of this utility model patent is to provide a non-destructive multi-point continuous water content recorder for masonry materials.

For achieving the above object, the technical scheme adopted by the present utility model is:

A non-destructive multi-point continuous measurement device for water content of masonry materials, comprising:

A plurality of measuring probes 9, respectively installed on the measuring bracket 4, are used to detect the water content data of masonry materials at each measuring point;

a measuring bracket 4 for installing a plurality of measuring probes 9;

Further, it also includes a data processor 2 for receiving the water content data detected by the measuring probe 9, and providing the measuring probe with high-frequency waves of a fixed frequency; the measuring probe 9 has 5-10 groups, which are respectively connected to the data processor. 2 on

Further, the measuring probe 9 includes three detection contacts 9-1, the contacts in the middle are the frequency transmitter contacts, the contacts on both sides are the frequency reflection receptor contacts, and the data processor passes the signal of the fixed frequency through. The wire is transmitted to the frequency transmitter contact in the middle, and the frequency transmitter contact transmits the fixed frequency high-frequency wave provided by the data processor to the masonry material at the measurement point, and the frequency reflection receptor contacts on both sides receive the brick at the measurement point. High-frequency waves fed back by the stone material.

Further, the data processor 2 converts the frequency difference between the high frequency wave emitted by the frequency transmitter contact and the feedback high frequency wave received by the frequency reflection receptor contact into a digital signal through a frequency-current converter.

Further, the measuring bracket 4 is also provided with a stress adjusting rod 5 for adjusting the stress between the plurality of measuring probes 9 and each measurement point; one end of the stress adjusting rod 5 is installed on the measuring bracket 4, and the other A measuring probe 9 is installed at one end.

Further, the rear end of the stress adjusting rod 5 is fixed on the rod body of the measuring bracket 4, the front end of the stress adjusting rod 5 is provided with a telescopic support frame 51, and the rear end of the telescopic support frame 51 can be moved back and forth to be installed on the stress adjusting rod 5. Inside the hollow adjustment cavity 52 of the adjustment rod 5 ; the stress adjustment rod 5 further includes a positioning device 8 , which is installed on the radial side of the stress adjustment rod 5 and used to fix the telescopic support frame 51 .

Further, it also includes a stress sensor 10, the stress sensor 10 is installed on the front end of the telescopic support frame 51, the bottom end of the measurement probe 9 is installed on the stress sensor 10, and the top end of the measurement probe 9 is used for fitting At the measurement point; the stress sensor 10 is used to obtain the stress data between the measurement probe 9 and the measurement point; when the stress change value of the measurement probe 9 exceeds the preset value range, the data processor 2 issues an alarm and no longer records the measurement Probe 9 data.

Further, the measuring bracket 4 is provided with a wiring cavity 11 inside, the stress adjusting rod 5 is provided with a hollow adjusting cavity 52 inside, and the telescopic support frame 51 is provided with a wiring cavity inside; the wiring cavity 11 It communicates with the hollow adjustment cavity 52; the data transmission wire of the measuring probe 9 and the data transmission wire of the stress sensor pass through the routing cavity, the hollow adjustment cavity 52 and the wiring cavity 11 in turn, and pass through the wire set at the bottom of the measuring bracket 4. Outlet 7 leads out the measuring bracket.

Further, the measuring probe 9 includes a mounting portion 91 mounted on the stress sensor 10 and a measuring portion 92 provided on the top of the mounting portion, the mounting portion is a vertically arranged metal sheet, and the measuring portion 92 is a mounting portion The portion 91 extends both forward and upward and forms a curved metal sheet.

Further, the measurement bracket 4 also includes a bracket installation device, and the bracket installation device includes installation rods 41 respectively arranged at the top and bottom ends of the measurement bracket 4, a magnetic member 6 arranged at the end of the installation rod 4, and a magnetic member 6 for mounting on a wall. iron sheet.

Compared with the prior art, the advantage of the present invention patent is that the moisture meter can realize the non-destructive multi-point continuous measurement of immovable cultural relics, and the processed signal is stored in the data storage 2, and can be transmitted to the PC device through the USB interface. , the data can also be wirelessly transmitted to the PC device or the cloud in real time through WIFI, Bluetooth and other technical means, and the obtained data has less error than manual measurement, which is convenient for long-term measurement of the water content of immovable cultural relics and masonry materials.

Description of drawings

Figure 1 is the principle diagram of the non-destructive multi-point continuous water content recorder for the masonry material.

Figure 2 is the right side view of the bracket of the water content recorder

Figure 3 is a front view of the bracket.

Figure 4 is a rear view of the bracket

Figure 5 is a schematic diagram of the stress adjusting rod of the stent

Figure 6 is a schematic diagram of the stress adjusting rod of the stent

Figure 7 is a partial schematic view of the cross-section of the stent

FIG. 8 is a schematic front view of the data processor.

Detailed ways

In order to make the purposes and technical solutions of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are some, but not all, embodiments of the present invention. Based on the described embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It should also be understood that terms such as those defined in general dictionaries should be understood to have meanings consistent with their meanings in the context of the prior art and, unless defined as herein, are not to be taken in an idealized or overly formal sense. explain.

The meaning of "and/or" described in the present invention refers to the situation that each of them exists alone or both of them exist simultaneously.

The meaning of "inside and outside" described in the present invention refers to the direction pointing to the inside of the device relative to the device itself, and vice versa; it is not a specific limitation to the device mechanism of the present invention.

The meaning of "left and right" in this utility model means that when the user is facing the glass window, the user's left side is the left, and the user's right side is the right, not the device mechanism of the present utility model. specific restrictions.

The meaning of "connection" described in the present invention may be a direct connection between components or an indirect connection between components through other components.

The meaning of "front and rear" in this utility model is that when the user is facing the glass window, the front of the user is the front, and the rear of the user is the rear.

As shown in Figures 1-4, the non-destructive multi-point continuous measurement device for the water content of masonry materials of the present invention includes:

A plurality of measuring probes 9, respectively installed on the measuring bracket 4, are used to detect the water content data of the masonry material at each measuring point;

The data processor 2 is used to receive the water content data detected by the measuring probe 9, and provide the measuring probe with high-frequency waves of a fixed frequency;

The measurement bracket 4 is used to install a plurality of measurement probes 9 and maintain the stress between the plurality of measurement probes 9 and each measurement point within a preset value range.

There are 5-10 sets of measuring probes 9, which are respectively connected to the data processor 2.

As shown in Figures 5 and 6, the measuring probe 9 includes three detection contacts 9-1, the middle contact is the frequency transmitter contact, the contacts on both sides are the frequency reflection receptor contact, the data processor passes the fixed frequency signal through The wire is transmitted to the frequency transmitter contact in the middle, and the frequency transmitter contact transmits the fixed frequency high-frequency wave provided by the data processor to the masonry material at the measurement point, and the frequency reflection receptor contacts on both sides receive the brick at the measurement point. High-frequency waves fed back by the stone material.

The data processor 2 converts the frequency difference between the high frequency wave emitted by the frequency transmitter contact and the feedback high frequency wave received by the frequency reflection receptor contact into a digital signal through a frequency-current converter.

The measurement bracket 4 is also provided with a stress adjustment rod 5 for adjusting the stress between the multiple measurement probes 9 and each measurement point; one end of the stress adjustment rod 5 is installed on the measurement bracket 4 , and the other end is installed with the measurement probe 9 .

As shown in FIG. 7 , the rear end of the stress adjusting rod 5 is fixed on the rod body of the measuring bracket 4 , the front end of the stress adjusting rod 5 is provided with a telescopic support frame 51 , and the rear end of the telescopic support frame 51 can be moved back and forth and installed on the stress adjusting rod Inside the hollow adjustment cavity 52 of the rod 5 ; the stress adjustment rod 5 also includes a positioning device 8 , which is installed on the radial side of the stress adjustment rod 5 and used to fix the telescopic support frame 51 .

It also includes a stress sensor 10, the stress sensor 10 is installed on the front end of the telescopic support frame 51, the bottom end of the measuring probe 9 is installed on the stress sensor 10, and the top end of the measuring probe 9 is used to fit at the measurement point; The device 10 is used to obtain stress data between the measurement probe 9 and the measurement point; when the stress change value of the measurement probe 9 exceeds the preset value range, the data processor 2 issues an alarm and no longer records the data of the measurement probe 9 .

The measuring bracket 4 is provided with a wiring cavity 11, the stress adjusting rod 5 is provided with a hollow adjusting cavity 52, and the telescopic support frame 51 is provided with a wiring cavity; the wiring cavity 11 and the hollow adjusting cavity 52 are communicated with each other; the measuring probe 9 The data transmission wire and the data transmission wire of the stress sensor pass through the wiring cavity, the hollow adjustment cavity 52 and the wiring cavity 11 in sequence, and are led out of the measurement bracket through the wire outlet 7 provided at the bottom of the measurement bracket 4 .

The measuring probe 9 includes a mounting portion 91 mounted on the stress sensor 10 and a measuring portion 92 arranged on the top of the mounting portion, the mounting portion is a vertically arranged metal sheet, and the measuring portion 92 is the mounting portion 91 extending forward and upward at the same time. A metal sheet with a certain degree of curvature is formed.

The measuring bracket 4 also includes a bracket mounting device, which includes mounting rods 41 respectively arranged at the top and bottom ends of the measuring bracket 4 , a magnetic member 6 arranged at the end of the mounting rod 4 , and an iron sheet for mounting on a wall.

The measured data is transmitted to the data processor for processing through the data transmission wire, and the processed data signal is wirelessly transmitted to the PC device or the cloud in real time to realize continuous real-time monitoring of the data.

The measuring probe is combined with the bracket. There are several stress adjusting rods on the bracket. The stress adjusting rod is connected with the measuring probe. The length of the measuring probe can be fixed by the fixing screw on the adjusting rod, so that the measuring probe can form a good shape with the wall. touch.

As a preferred improvement of the above technical solution, the length of the support is about 1.5-2 meters, which meets the height requirement of the rising moisture of masonry materials.

As a further improvement of the above technical solutions, the data processor includes a wire interface, a frequency transmitter, a frequency receiver, a frequency-to-current converter, a single-chip processing module, a Bluetooth processing module, a relay, a signal amplifier, a decoder, a driver and a data memory. .

As a preferred solution, the data processor has the following functions: driving the driver, transmitting the natural frequency to the transmitter in turn, and saving the processed signal to the data memory, the data can be transmitted to the PC device through the USB interface, or through WIFI, Bluetooth, etc. The technical means are wirelessly transmitted to the PC device or the cloud in real time, and the processor refreshes every ten minutes to re-record the signals of each measurement point.

To prevent distortion of multiple signals, only one signal is transmitted at a time.

This moisture content measuring instrument is only for masonry materials, and the data processing software performs numerical corrections according to the porous characteristics and salt content of masonry materials.

As a preferred solution of the present utility model, the water content recorder involved in the present utility model is used to measure the water content of immovable cultural relics and masonry materials. During installation, the iron sheets are first fixed on the top and bottom of the brick wall, and the measuring bracket 4 The upper and lower magnet pieces are fixed in contact with the iron pieces, and the measuring probe 9 is in good contact with the surface of the brick wall to be measured by adjusting the stress adjusting rod 5 on the bracket 4, and then tightening the fixing screw on the stress adjusting rod 5. The position of the measuring probe 9 is fixed, while ensuring that the compressive stress measured by the stress sensor 10 is within a reasonable range.

During measurement, place the data processor 2 in a stable and hard-to-touch place to ensure that the data transmission wire 3 led from the wiring cavity 11 inside the bracket to the wire outlet 7 of the bracket does not affect the immovable cultural relic buildings.

If the stress change of the measuring probe 9 exceeds the error range, the data processor 2 will issue an alarm, indicating that the measuring probe 9 is loose or too tight. At this time, the fixing screw can be loosened and the stress adjusting rod 5 can be adjusted to make the compressive stress value return to normal. level, and then tighten the fixing screw to make good contact between the measuring probe 9 and the measured brick wall, and improve the data accuracy.

During data collection, the measured data can be transmitted to the PC device or the cloud in real time through the data processor 2. If the staff is not next to the device or does not need real-time monitoring, the data can be stored in the memory of the data processor 2. data can be called directly. The collected data can be displayed on the screen of the PC device in the form of numbers, or according to the needs of the research, the data of a period of time can be drawn in the form of a graph, which provides better research methods for cultural conservation researchers.

The above are only the basic principles, main features and specific advantages of the present invention, and those skilled in the industry should understand that several improvements and adjustments can be made without departing from the structure and principles of the present invention. It will also be regarded as the protection scope of the present invention.

Claims (9)

1. A nondestructive multi-point continuous measuring device for water content of masonry materials is characterized by comprising:

the plurality of measuring probes (9) are respectively arranged on the measuring bracket (4) and are used for detecting the water content data of the masonry material at each measuring point;

a measuring support (4) for mounting a plurality of measuring probes (9);

the measuring support (4) is provided with a stress adjusting rod (5) for adjusting the stress between the plurality of measuring probes (9) and each measuring point; one end of the stress adjusting rod (5) is arranged on the measuring bracket (4), and the other end is provided with the measuring probe (9).

2. The nondestructive multipoint continuous measuring device for the water content of the masonry material according to the claim 1 is characterized by further comprising a data processor (2) for receiving the water content data detected by the measuring probe (9) and providing the high frequency wave of the fixed frequency to the measuring probe; the measuring probes (9) are provided with 5-10 groups which are respectively connected to the data processor (2).

3. The nondestructive multipoint continuous measuring device for the water content of the masonry material according to the claim 1 is characterized in that the measuring probe (9) comprises three detecting contacts (9-1), the middle contact is a frequency emitter contact, the two side contacts are frequency reflection receptor contacts, the data processor transmits a signal with fixed frequency to the middle frequency emitter contact through a lead, the frequency emitter contact emits the high frequency wave with fixed frequency provided by the data processor to the masonry material at the measuring point, and the two side frequency reflection receptor contacts receive the high frequency wave fed back by the masonry material at the measuring point.

4. The nondestructive multipoint continuous measuring device for water content of masonry material according to claim 3 characterized in that the data processor (2) converts the frequency difference between the high frequency wave emitted from the frequency emitter contact and the feedback high frequency wave received from the frequency reflection receptor contact into a digital signal through the frequency current converter.

5. The nondestructive multipoint continuous measuring device for the water content of the masonry material as claimed in claim 4, characterized in that the rear end of the stress adjusting rod (5) is fixed on the rod body of the measuring bracket (4), the front end of the stress adjusting rod (5) is provided with a telescopic support frame (51), and the rear end of the telescopic support frame (51) can be installed in the hollow adjusting cavity (52) of the stress adjusting rod (5) in a back and forth movement manner; the stress adjusting rod (5) further comprises a positioning device (8) which is arranged on one radial side of the stress adjusting rod (5) and used for fixing the telescopic support frame (51).

6. The nondestructive multipoint continuous measuring device for the water content of the masonry material as claimed in claim 5, characterized by further comprising a stress sensor (10), wherein the stress sensor (10) is installed at the front end of the telescopic support frame (51), the bottom end of the measuring probe (9) is installed on the stress sensor (10), and the top end of the measuring probe (9) is used for fitting at the measuring point; the stress inductor (10) is used for acquiring stress data between the measuring probe (9) and a measuring point; when the stress variation value of the measuring probe (9) exceeds the preset value range, the data processor (2) gives an alarm and does not record the data of the measuring probe (9).

7. The nondestructive multipoint continuous measuring device for the water content of the masonry material as claimed in claim 6, wherein the inside of the measuring support (4) is provided with a wiring cavity (11), the inside of the stress adjusting rod (5) is provided with a hollow adjusting cavity (52), and the inside of the telescopic support frame (51) is provided with a wiring cavity; the wiring cavity (11) and the air-conditioning joint cavity (52) are communicated with each other; the data transmission wire of the measuring probe (9) and the data transmission wire of the stress sensor sequentially penetrate through the wiring cavity, the hollow adjusting cavity (52) and the wiring cavity (11), and the measuring support is led out through a wire outlet (7) formed in the bottom of the measuring support (4).

8. The nondestructive multipoint continuous measuring device for the water content of the masonry material as claimed in claim 7, wherein the measuring probe (9) comprises a mounting part (91) mounted on the stress sensor (10) and a measuring part (92) arranged at the top of the mounting part, the mounting part is a vertically arranged metal sheet, and the measuring part (92) is a metal sheet of which the mounting part (91) extends forwards and upwards at the same time and forms a certain curvature.

9. The nondestructive multipoint continuous measuring device for the water content of the masonry material as claimed in claim 1, characterized in that the measuring support (4) further comprises a support mounting means, and the support mounting means comprises mounting rods (41) respectively arranged at the top end and the bottom end of the measuring support (4), magnetic members (6) arranged at the ends of the mounting rods (41), and iron sheets for mounting on the wall surface.

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