CN201983761U - Portable building surface crack detection device - Google Patents
Portable building surface crack detection device Download PDFInfo
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- CN201983761U CN201983761U CN 201120034215 CN201120034215U CN201983761U CN 201983761 U CN201983761 U CN 201983761U CN 201120034215 CN201120034215 CN 201120034215 CN 201120034215 U CN201120034215 U CN 201120034215U CN 201983761 U CN201983761 U CN 201983761U
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- lens barrel
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- detection device
- building surface
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Abstract
The utility model discloses a portable building surface crack detection device, which comprises a digital imaging system and an image processor, wherein the digital imaging system comprises a bracket as well as an optical imaging mechanism, a ranging mechanism, a display screen and a control mechanism, which are arranged on the bracket; the optical imaging mechanism comprises an objective lens and a first lens barrel; the first lens barrel consists of a connection section which is at the front part and connected with the objective lens, a focal length regulator section at the middle part, and a digital imaging section at the tail part; a digital image sensor, a wireless transmission module and an optics power supply are arranged in the digital imaging section; and digital images obtained by the digital image sensor are sent to the display screen through the wireless transmission module. The detection device obtains the digital images at the detection point through an optical imaging system, the digital images are transmitted to the control mechanism through the wireless transmission module, transmitted to the display screen for being displayed after subjected to the signal conversion, and changed to sharp images through the focusing, and the clear images are stored in a memorizer, and transmitted to an image processor through the wireless or wired transmission. Therefore, the measurement is convenient, and the detection precision is high.
Description
Technical field
The utility model relates to a kind of buildings pick-up unit, relates in particular to a kind of portable building surface Crack Detection device.
Background technology
The building tear detection method can be divided into close-in measurement and telemeasurement by the distance of surveying instrument and measured object at present.
What the close-in measurement method was commonly used at present mainly contains 4 kinds: 1) clearance gauge or fracture width contrast card: simple, but can only be used for bigness scale, measuring accuracy is low.2) crack microscope: the crack microscopy is the main method of present crack test.Need manually closely to focus and reading and record, some also needs other luminous intensity distribution source, and test speed is slow, and the labour intensity of test job is big, and bigger artificial reading error is arranged.3) image shows the fracture width tester of artificial interpretation: the requirement that this tester has avoided the crack microscope closely to focus, reduced the labour intensity of crack test, but still needed artificial estimation and record width.4) full-automatic fracture width tester: take crack photo, automatic interpretation fracture width and precision height.
The telemeasurement method mainly is to use remote fracture width tester: Crack Detection ultimate range is not less than 45m, and stated accuracy is better than 0.02mm, adopts manually distance and angle compensation mode.These traditional contact detection meanss have also needs to utilize framing scaffold or bridge inspection vehicle, makes surveying work labour intensity height, very inconvenience and cost height; What have still carries out artificial reading with instruments such as dial gauges and measures, and measuring accuracy is very low, and the examining report that proposes with these data exists certain defective in objectivity, accuracy, aspect authoritative; The destructiveness of also will carrying out that has detects, and application is restricted.Use methods such as optical fiber, infrared, ultrasound wave that the cost problem of higher is arranged equally.
At present the digitizing detecting instrument that also close-in measurement and telemeasurement is not combined occurs, and two kinds of measuring methods is attached on the cover system can improves its range of application greatly, reduces cost, precision is high and make and measure conveniently, reduces working strength.
Summary of the invention
The utility model provides a kind of portable building surface Crack Detection device, has solved conventional apparatus and has carried inconvenience, and precision is not high, and can not realize simultaneously closely and the remote problem that detects.
A kind of portable building surface Crack Detection device, comprise digital imaging system and image processor, described digital imaging system comprises optical imagery mechanism, range finding mechanism, display screen and the control gear on support and the support, described optical imagery is made up of the object lens and first lens barrel, first lens barrel is made up of the linkage section that is connected with object lens of front portion, the focus adjustment section of centre and the digital imagery section of afterbody, is provided with digital image sensor, wireless transmitter module and optics power supply in the described digital imagery section; The digital picture that digital image sensor obtains sends to display screen by wireless transmitter module.
Described support is provided with the fixed orifice that holds optical imagery mechanism, should be fixing by forming for the objective aperture and the objective lens barrel aperture of placing the object lens and first lens barrel respectively, described object lens are connected by screw rod with first lens barrel, and the length of screw rod is between the aperture of objective aperture and objective lens barrel aperture; Described support is provided with a groove, and this groove intersects with objective lens barrel aperture makes the focus adjustment section exposed.
Described support is provided with light source, and the base of light source is connected by slide mechanism with the support outer wall.
Described object lens comprise prefocus cup and inner second lens barrel that is provided with lens, and second lens barrel connects the integrated optical source that prefocus cup one end is provided with annular, and the center of integrated optical source is provided with incidence hole.
The described first lens barrel tail end is provided with switch.
The utility model can obtain the digital picture of detection place by the optical imaging system of device, this digital picture can be transferred to control gear by wireless transmitter module, conversion reaches the display screen demonstration through signal, by focusing to distinct image, required image can be saved to storer, wireless then or wire transmission is to image processor, and it is convenient to measure, the accuracy of detection height.
In addition, first lens barrel is connected by screw with object lens, and object lens can be changed, and also is provided with arbitrary source and range finding mechanism in addition on support, therefore can select telemeasurement and close-in measurement according to different needs, integrated level height, low cost of manufacture.
Description of drawings
Fig. 1 is the theory structure synoptic diagram of the utility model device;
Fig. 2 is the structural representation of the utility model digital imaging system;
Fig. 3 is a digital imaging system A partial enlarged drawing shown in Figure 2;
Fig. 4 is the structural representation of the utility model peripheral hardware arbitrary source;
Fig. 5 is the structural representation of the utility model optical imagery mechanism;
Fig. 6 is the structural representation of the utility model support;
Fig. 7 is another angle structural representation of support shown in Figure 6.
Embodiment
As shown in Figure 1, a kind of building surface Crack Detection device, comprise digital imaging system and image processor (not shown), described digital imaging system comprises optical imagery mechanism 1, control gear 4, storer 5, display screen 6 and the power supply on support 101 and the support 1, when picture rich in detail appears in display screen 6, control gear 4 is gathered these images and also is stored in the storer 5.Image processor reads the image in the storer 5, analyzes the crack that building surface is calculated in the back, and image processor can be the integrated circuit that is provided with on the support 101, also can be PC.Support 101 belows are provided with carriage 122, and this carriage 122 can be fixed on the instruments such as tripod.
Optical imagery mechanism is made up of object lens 119 and lens barrel, lens barrel comprises anterior linkage section 117, the focus adjustment section 118 of centre and the device section 119 of afterbody, its middle connecting segment 117 ends are provided with screw 114, be used for being connected with object lens, object lens 119 are made up of prefocus cup 121 and lens barrel 120, are provided with convex lens 108 in the lens barrel 120.Be provided with concavees lens group 109 in the focus adjustment section, be provided with cmos digital imageing sensor 110, wireless transmitter module 105, control circuit 111 and power supply 112 in the device section, the end is provided with switch 113.
Support is provided with one for the fixed orifice of placing optical imagery mechanism, fixed orifice is by the aperture difference and be respectively applied for the objective aperture 102 and the objective lens barrel aperture 103 of placing object lens 119 and lens barrel, the length of screw 114 is convenient to the location of whole optics imaging mechanism between the aperture of objective aperture 102 and objective lens barrel aperture 103.Also be provided with groove 116 on the support, groove 116 intersects with objective lens barrel aperture, makes that focus adjustment section 118 is exposed, is convenient to regulate.Support 101 inside also are provided with main control circuit 106, working power 123 and range finding mechanism 7, and wall is provided with gauge tap 107.Control gear 4 and storer 5 just are arranged on the main control circuit 106, also can on main control circuit 106 radio receiving transmitting module be set, and control gear 4 is controlled radio receiving transmitting module, storer 5, display screen 6 and 7 collaborative works of range finding mechanism simultaneously.
The optical imagery mechanism of this device can change, and as detecting at a distance, light source 3 is set on support 101 then, and light source 3 comprises base 301 and luminophor 302, and the slideway 115 on base 301 and the support 101 is connected.As carry out closely micro measurement, and the integrated optical source 123 of annular then is set at lens barrel 120 front ends of object lens, this integrated optical source center is provided with incidence hole.
The said apparatus principle of work is as follows:
At first by the distance of range finding mechanism 7 measurement bracket 101 to buildings 2, select suitable object lens according to the size of distance, object lens are connected with lens barrel, press switch 113 and start working, the fixed orifice on the support 101 of packing into is interior and position.The image that cmos digital imageing sensor 110 obtains will send by wireless transmitter module 105, radio receiving transmitting module receives this digital picture, be transferred to control gear 4, conversion reaches display screen 105 through signal, the acquisition distinct image of focusing is preserved this image, and is transferred to image processor by radio receiving transmitting module, image processor calculates the width in slit 201 by conventional Flame Image Process.
Claims (5)
1. portable building surface Crack Detection device, comprise digital imaging system and image processor, described digital imaging system comprises optical imagery mechanism, range finding mechanism, display screen and the control gear on support and the support, it is characterized in that: described optical imagery mechanism is made up of the object lens and first lens barrel, first lens barrel is made up of the linkage section that is connected with object lens of front portion, the focus adjustment section of centre and the digital imagery section of afterbody, is provided with digital image sensor, wireless transmitter module and power supply in the described digital imagery section; The digital picture that digital image sensor obtains sends to display screen by wireless transmitter module.
2. portable building surface Crack Detection device according to claim 1, it is characterized in that, described support is provided with the fixed orifice that holds optical imagery mechanism, should be fixing by forming for the objective aperture and the objective lens barrel aperture of placing the object lens and first lens barrel respectively, described object lens are connected by screw rod with first lens barrel, and the length of screw rod is between the aperture of objective aperture and objective lens barrel aperture; Described support is provided with a groove, and this groove intersects with objective lens barrel aperture makes the focus adjustment section exposed.
3. portable building surface Crack Detection device according to claim 1 is characterized in that described support is provided with light source, and the base of light source is connected by slide mechanism with the support outer wall.
4. portable building surface Crack Detection device according to claim 1, it is characterized in that, described object lens comprise prefocus cup and inner second lens barrel that is provided with lens, and second lens barrel connects the integrated optical source that prefocus cup one end is provided with annular, and the center of integrated optical source is provided with incidence hole.
5. portable building surface Crack Detection device according to claim 1 is characterized in that the described first lens barrel tail end is provided with switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120034215 CN201983761U (en) | 2011-01-31 | 2011-01-31 | Portable building surface crack detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120034215 CN201983761U (en) | 2011-01-31 | 2011-01-31 | Portable building surface crack detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201983761U true CN201983761U (en) | 2011-09-21 |
Family
ID=44611220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120034215 Expired - Fee Related CN201983761U (en) | 2011-01-31 | 2011-01-31 | Portable building surface crack detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201983761U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102175161A (en) * | 2011-01-31 | 2011-09-07 | 浙江建设职业技术学院 | Portable device for detecting surface crack of building |
| CN105606030A (en) * | 2015-12-30 | 2016-05-25 | 浙江建设职业技术学院 | Building surface crack detection device based on embedded mode |
| CN109187555A (en) * | 2018-09-19 | 2019-01-11 | 苏州傲特欣智能科技有限公司 | External wall crack detection system and method based on machine vision |
-
2011
- 2011-01-31 CN CN 201120034215 patent/CN201983761U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102175161A (en) * | 2011-01-31 | 2011-09-07 | 浙江建设职业技术学院 | Portable device for detecting surface crack of building |
| CN102175161B (en) * | 2011-01-31 | 2012-12-26 | 浙江建设职业技术学院 | Portable device for detecting surface crack of building |
| CN105606030A (en) * | 2015-12-30 | 2016-05-25 | 浙江建设职业技术学院 | Building surface crack detection device based on embedded mode |
| CN105606030B (en) * | 2015-12-30 | 2018-08-24 | 浙江建设职业技术学院 | One kind being based on Embedded building surface crack detecting device |
| CN109187555A (en) * | 2018-09-19 | 2019-01-11 | 苏州傲特欣智能科技有限公司 | External wall crack detection system and method based on machine vision |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110921 Termination date: 20150131 |
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| EXPY | Termination of patent right or utility model |