CN205262436U - Space displacement measurement device based on acceleration principle - Google Patents
Space displacement measurement device based on acceleration principle Download PDFInfo
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- CN205262436U CN205262436U CN201520980732.1U CN201520980732U CN205262436U CN 205262436 U CN205262436 U CN 205262436U CN 201520980732 U CN201520980732 U CN 201520980732U CN 205262436 U CN205262436 U CN 205262436U
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- acceleration sensor
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Abstract
The utility model relates to a space displacement measurement device based on acceleration principle, triaxial acceleration sensor, acceleration signal collection module, wireless signal transmitter module, the battery sets up on horizontal mounting plate respectively, the signal acquisition module respectively with triaxial acceleration sensor, a battery, wireless signal transmitter module connects, data signal conversion calculator respectively with wireless signal receiving module and USB interface connection, emit antenna and wireless signal transmitter module are connected, receiving antenna and wireless signal receiving module are connected, receiving circuit receives transmission circuit signal. The effect is: the utility model discloses to building structure fire resistance testing, this type of experimental requirement to gathering on -the -spot all kinds of conditions has been satisfied. Clear, the stable in structure of device principle possesses good maneuverability.
Description
Technical field
The utility model relates to a kind of space displacement measurement mechanism based on acceleration principle, is a kind of contactless space displacement measurement mechanism using in building structure fire resistance test.
Background technology
Existing displacement acquisition mode, is generally to use bracing wire or draw bar displacement sensor, is connected with measuring point by steel wire rope or rigid connection, the displacement of measuring point is carried out to the measurement of one-dimensional degree; Even if use multiple displacement transducers and space displacement computational methods to realize three-dimensional displacement measurement, also cannot avoid direct physical between measuring point and displacement transducer to be connected. And for building structure fire resistance test, often need the displacement of test structure inside, or total is placed in the high-temperature test device of sealing and tests, at this moment cannot connection bit displacement sensor and measuring point by physical connections such as steel wire ropes, thereby current displacement measurement mode cannot meet the requirement of building structure fire resistance test; Approaching completion of " the building structure combination fire resistance experimental rig " of the scale the biggest in the world in Ministry of Public Security's emphasis problem, the construction at present of especially bearing along with Tianjin Fire Fighting Inst., Ministry of Public Security, needs a kind of displacement measurement mode of cordless badly.
Summary of the invention
In view of the deficiency that existing displacement measuring device exists, this patent provides a kind of space displacement measurement mechanism based on acceleration principle. This device is by measuring the space coordinates 3-axis acceleration of measuring point, and 3-axis acceleration data are gathered and wireless transmission, carry out data receiver by reception antenna, calculate and be connected with computer by USB interface through data processing, having realized the cordless wireless transmission of the on-the-spot structure measuring point of building structure fire resistance test acceleration information.
The utility model for achieving the above object, the technical scheme adopting is: a kind of space displacement measurement mechanism based on acceleration principle, is characterized in that: comprise horizontal installing plate, 3-axis acceleration sensor, acceleration signal acquisition module, wireless signal transmitting module, transmitting antenna, battery, reception antenna, reception of wireless signals module, data signal conversion calculator and USB interface;
Described 3-axis acceleration sensor, acceleration signal acquisition module, wireless signal transmitting module, battery are separately positioned on horizontal installing plate, signal acquisition module is connected with 3-axis acceleration sensor, battery, wireless signal transmitting module respectively, described data signal conversion calculator is connected with reception of wireless signals module and USB interface respectively, transmitting antenna is connected with wireless signal transmitting module, and reception antenna is connected with reception of wireless signals module;
3-axis acceleration sensor, acceleration signal acquisition module, wireless signal transmitting module, transmitting antenna and battery have formed measurement and the radiating circuit of device, reception antenna, reception of wireless signals module, data signal conversion calculator and USB interface have formed the receiving circuit of device, and receiving circuit receives radiating circuit signal.
The beneficial effects of the utility model are: this device is by measuring the space coordinates 3-axis acceleration of measuring point, and 3-axis acceleration data are gathered and wireless transmission, carry out data receiver by reception antenna, be connected with computer by USB interface through data processing, realize the cordless wireless transmission of the on-the-spot structure measuring point of building structure fire resistance test acceleration information, change calculator processing by data signal, can obtain the displacement of measuring point space three-dimensional. Adopt this device can solve the displacement measurement problem of building structure fire resistance test, the utility model, for building structure fire resistance test, has met this type of and has tested the requirement to all kinds of conditions of collection site. Principle of device is clear, Stability Analysis of Structures, possesses good operability.
Brief description of the drawings
Fig. 1 is that this circuit of the present utility model connects block diagram.
Detailed description of the invention
Understand this patent for clearer, carefully describe below in conjunction with accompanying drawing.
As shown in Figure 1, a space displacement measurement mechanism based on acceleration principle, comprises horizontal installing plate 1,3-axis acceleration sensor 2, acceleration signal acquisition module 3, wireless signal transmitting module 4, transmitting antenna 5, battery 6, reception antenna (7), reception of wireless signals module (8), data signal conversion calculator 9 and usb 10.
3-axis acceleration sensor 2 is installed to the center of horizontal installing plate 1, guarantees in measuring process that 3-axis acceleration sensor is all the time in level; The built-in chip of 3-axis acceleration sensor 2 can be in the time of level, the component of acceleration of tri-directions of measurement space rectangular coordinate system XYZ, and export corresponding analog data.
3-axis acceleration sensor 2 is connected with acceleration signal harvester 3; The analog data that acceleration signal harvester 3 is exported 3-axis acceleration sensor 2 gathers, and is converted to the data signal of 3-axis acceleration value by the built-in chip of harvester 3; 3-axis acceleration value gathers by acceleration signal harvester 3, and is transferred to wireless signal transmitting module 4; The encoding digital signals that wireless transmitter module 4 degree of will speed up signal pickup assemblies 3 transmit, according to radio standard signal format by sending by transmitting antenna 5, above-mentioned part has formed measurement and radiating circuit, is powered by the battery 6 being arranged on horizontal installing plate 1.
The reception antenna 7 of receiving circuit receives the signal that transmitting antenna 5 sends and is sent to reception of wireless signals module 8, reception of wireless signals module 8 becomes standardized digital signal by the standard radio signal of telecommunication receiving by the conversion chip reverse conversion of receiver module 8, then is transferred to data signal conversion calculator 9 by line; Data signal calculator 9 is processed measuring point 3-axis acceleration signal, and the accekeration of three axles is carried out twice integration of time to obtain the displacement of measuring point space three-dimensional, is connected with computer by usb 10, and the displacement data recording is transmitted.
In the time of the building structure fire resistance test of carrying out fire-fighting domain, due to the particularity of test, need to measure inside configuration, or the measuring point displacement of the test structure of fire resistance test device inside, existingly cannot meet the demands taking physical contact as basic displacement measurement mode, need a kind of contactless measurement mechanism.
The utility model is by measuring the space coordinates 3-axis acceleration of measuring point, and 3-axis acceleration data are gathered and transmitted, realize the cordless wireless transmission of the on-the-spot structure measuring point of building structure fire resistance test acceleration information, and the conversion of acceleration information and calculating solves, obtain space displacement data. This device, for building structure fire resistance test, has met this type of and has tested the requirement to all kinds of conditions of collection site.
According to the above description, can realize the utility model scheme in conjunction with industry actual conditions.
Claims (2)
1. the space displacement measurement mechanism based on acceleration principle, is characterized in that: comprise horizontal installing plate (1), 3-axis acceleration sensor (2), acceleration signal acquisition module (3), wireless signal transmitting module (4), transmitting antenna (5), battery (6), reception antenna (7), reception of wireless signals module (8), data signal conversion calculator (9) and USB interface (10);
Described 3-axis acceleration sensor (2), acceleration signal acquisition module (3), wireless signal transmitting module (4), battery (6) is separately positioned on horizontal installing plate (1), signal acquisition module (3) respectively with 3-axis acceleration sensor (2), battery (6), wireless signal transmitting module (4) connects, described data signal conversion calculator (9) is connected with reception of wireless signals module (8) and USB interface (10) respectively, transmitting antenna (5) is connected with wireless signal transmitting module (4), reception antenna (7) is connected with reception of wireless signals module (8),
3-axis acceleration sensor (2), acceleration signal acquisition module (3), wireless signal transmitting module (4), transmitting antenna (5) and battery (6) have formed measurement and the radiating circuit of device, reception antenna (7), reception of wireless signals module (8), data signal conversion calculator (9) and USB interface (10) have formed the receiving circuit of device, and receiving circuit receives radiating circuit signal.
2. a kind of space displacement measurement mechanism based on acceleration principle according to claim 1, it is characterized in that: described 3-axis acceleration sensor (2) is installed to the center of horizontal installing plate (1), guarantee that 3-axis acceleration sensor in measuring process (2) is all the time in level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520980732.1U CN205262436U (en) | 2015-11-30 | 2015-11-30 | Space displacement measurement device based on acceleration principle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520980732.1U CN205262436U (en) | 2015-11-30 | 2015-11-30 | Space displacement measurement device based on acceleration principle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205262436U true CN205262436U (en) | 2016-05-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520980732.1U Expired - Fee Related CN205262436U (en) | 2015-11-30 | 2015-11-30 | Space displacement measurement device based on acceleration principle |
Country Status (1)
| Country | Link |
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| CN (1) | CN205262436U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108413913A (en) * | 2018-06-04 | 2018-08-17 | 中核(天津)科技发展有限公司 | High precision position measuring system |
| CN108709521A (en) * | 2018-06-04 | 2018-10-26 | 中核(天津)科技发展有限公司 | A kind of high precision displacement measuring device and measuring method |
-
2015
- 2015-11-30 CN CN201520980732.1U patent/CN205262436U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108413913A (en) * | 2018-06-04 | 2018-08-17 | 中核(天津)科技发展有限公司 | High precision position measuring system |
| CN108709521A (en) * | 2018-06-04 | 2018-10-26 | 中核(天津)科技发展有限公司 | A kind of high precision displacement measuring device and measuring method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 300381 Nankai District Jin Wei South Road, No. 110, Tianjin Patentee after: TIANJIN FIRE Research Institute OF MEM Address before: 300381 Nankai District Jin Wei South Road, No. 110, Tianjin Patentee before: TIANJIN FIRE Research Institute |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160525 Termination date: 20211130 |