CN105510920A - Machine room structural information prospecting and structural information CAD drawing generation method - Google Patents
Machine room structural information prospecting and structural information CAD drawing generation method Download PDFInfo
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- CN105510920A CN105510920A CN201510940526.2A CN201510940526A CN105510920A CN 105510920 A CN105510920 A CN 105510920A CN 201510940526 A CN201510940526 A CN 201510940526A CN 105510920 A CN105510920 A CN 105510920A
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- computer room
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
- G01S15/06—Systems determining the position data of a target
- G01S15/08—Systems for measuring distance only
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Acoustics & Sound (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Abstract
The invention discloses a machine room structural information prospecting and structural information CAD drawing generation method. Data acquisition and drawing generation are performed by utilizing a machine room structural information prospecting and structural information CAD drawing generation system. The machine room structural information prospecting and structural information CAD drawing generation system comprises a machine room structural information prospecting terminal and a data receiving and generation terminal. The machine room structural information prospecting terminal acquires machine room internal structural data and wirelessly communicates with the data receiving and generation terminal. The data receiving and generation terminal generates machine room structural information CAD drawings according to the data uploaded by the machine room structural information prospecting terminal. Automatic measurement, automatic calculation and automatic drawing drafting can be realized by the machine room structural information prospecting and structural information CAD drawing generation method so that the test data are accurate and reliable, workload of the prospecting task can be reduced and work efficiency of prospecting can be enhanced.
Description
[technical field]
The present invention relates to engineering investigation, particularly relate to the prospecting of a kind of computer room structure information and structural information CAD drawing creation method.
[background technology]
Computer room construction often needs field engineering to reconnoitre, by in data such as Indoor measurement length and width are high, thus plot the text drawing figure of machine room existing structure information at the scene, and then on computers face according to the text drawing filed, carry out conversion layer CAD drawing, then carry out the design of machine room.Meet the design of the high requests such as ventilation, heat radiation due to Design of Machine Room, the data demand therefore reconnoitred is comparatively accurate, and manually measure and method for drafting with traditional, consuming time huge, data are not necessarily accurate.From the paper drawing that the inspection of the scene of a crime is drawn, be converted at use CAD software the electronic drawing having marked structural information, or when measurement data is inputted computing machine, due to subjective factor, the problems such as data careless mistake may be occurred.As can be seen here, in present machine room inspection of the scene of a crime flow process, the system of final demand a kind ofly can be measured, automatically to be calculated, automatically draw to active demand automatically, prospecting during to meet machine room addressing and designing requirement.
[summary of the invention]
The technical problem to be solved in the present invention is to provide a kind of workload that can reduce prospecting task, improves the prospecting of computer room structure information and the structural information CAD drawing creation method of the work efficiency of prospecting.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is, a kind of computer room structure information prospecting and structural information CAD drawing creation method, utilize structural information prospecting in room to carry out data acquisition and drawing creation with structural information CAD drawing creation system, the prospecting of computer room structure information and structural information CAD drawing creation system comprise computer room structure information and reconnoitre terminal and data receiver and generation terminal; Computer room structure information prospecting terminal obtains machine room inner structure data, and with data receiver with generate terminal wireless communication, data receiver reconnoitres the CAD drawing of the data genaration computer room structure information that terminal is uploaded according to computer room structure information with generating terminal.
Above-described computer room structure information prospecting and structural information CAD drawing creation method, computer room structure information prospecting terminal comprises power supply, microprocessor, display screen and two supersonic range finders driven by stepper motor, and display screen is connected with microprocessor respectively with supersonic range finder; The axis of the first supersonic range finder stepper motor and the axis vertical take-off of the second supersonic range finder stepper motor.
Above-described computer room structure information prospecting and structural information CAD drawing creation method, computer room structure information prospecting terminal comprises bluetooth communication, level correction module and electronic compass, and bluetooth communication, level correction module and electronic compass connect microprocessor respectively.
Above-described computer room structure information prospecting and structural information CAD drawing creation method, supersonic range finder comprises ultrasonic distance measuring module and described stepper motor, ultrasonic distance measuring module is fixed on the main shaft of stepper motor, and the ultrasound wave transmit direction of ultrasonic distance measuring module is vertical with the main shaft of stepper motor; Ultrasonic distance measuring module connects microprocessor.
Above-described computer room structure information prospecting and structural information CAD drawing creation method, supersonic range finder comprises photoelectric encoder, and the grating disc of photoelectric encoder is fixed on the main shaft of stepper motor, the output termination microprocessor of photoelectric encoder.
Above-described computer room structure information prospecting and structural information CAD drawing creation method, comprise the following steps:
601) adjust the inclination angle of machine room structural information prospecting terminal, make the axis parallel of the first supersonic range finder stepper motor in the axial line of surface level, the second supersonic range finder stepper motor perpendicular to surface level;
602) using the reference position that the ultrasound wave transmit direction of the first supersonic range finder ultrasonic distance measuring module is measured as vertical direction, using the reference position that the ultrasound wave transmit direction of the second supersonic range finder ultrasonic distance measuring module is measured as horizontal direction;
603) ultrasonic distance measuring module of the first supersonic range finder is found range at 360 ° of scope internal points of division with the first step angle in vertical direction, and whole vertical ranging data is sent to data receiver and generates terminal by computer room structure information prospecting terminal;
604) ultrasonic distance measuring module of the second supersonic range finder is found range at 360 ° of scope internal points of division with the second step angle in the horizontal direction, and whole horizontal ranging data is sent to data receiver and generates terminal by computer room structure information prospecting terminal;
605) data receiver and generation terminal are according to the ranging data of level with vertical both direction, generate the cad file comprising horizontal section and vertical cross-section computer room structure information.
Above-described computer room structure information prospecting and structural information CAD drawing creation method, in step 602, the reference position that vertical direction is measured is vertical direction, and the reference position that horizontal direction is measured is direct north.
Above-described computer room structure information prospecting and structural information CAD drawing creation method, data receiver does metrical information with generation terminal to the cad file that step 605 generates and calibrates, and generates the cad file comprising final computer room structure information.
Computer room structure information prospecting of the present invention automatically can be measured with structural information CAD drawing creation method, automatically calculate, automatically draw drawing, and test data is accurately reliable, can reduce the workload of prospecting task, improves the work efficiency of prospecting.
[accompanying drawing explanation]
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Fig. 1 is the theory diagram of the prospecting of embodiment of the present invention computer room structure information and structural information CAD drawing creation system.
Fig. 2 is the structured flowchart of embodiment of the present invention computer room structure information prospecting terminal.
Fig. 3 is the hum pattern of the embodiment of the present invention two stepper motor correspondence positions.
Fig. 4 is the direction coordinate system figure of embodiment of the present invention ADXH345.
Fig. 5 is the schematic diagram of the direction coordinate system of embodiment of the present invention computer room structure information prospecting terminal.
Fig. 6 is embodiment of the present invention ultrasonic wave module doors structure information measuring method schematic diagram.
Fig. 7 is the schematic diagram that the embodiment of the present invention comprises the computer room structure information cad file of horizontal section and vertical cross-section.
Fig. 8 is the schematic diagram of embodiment of the present invention metrical information calibration.
[embodiment]
The prospecting of embodiment of the present invention computer room structure information and structural information CAD drawing creation side ratio juris are as shown in Figure 1, utilize structural information prospecting in room to carry out data acquisition and drawing creation with structural information CAD drawing creation system, the prospecting of computer room structure information and structural information CAD drawing creation system comprise computer room structure information and reconnoitre terminal and data receiver and generation terminal.Computer room structure information prospecting terminal obtains machine room inner structure data, and with data receiver with generate terminal wireless communication, data receiver reconnoitres the CAD drawing of the data genaration computer room structure information that terminal is uploaded according to computer room structure information with generating terminal.
As shown in Figure 2, computer room structure information prospecting terminal comprises battery, power management module, microprocessor (CPU), electronic compass, LCD display module, two stepper motor, two ultrasonic distance measuring modules, bluetooth communication and level correction modules of being furnished with photoelectric coded disk.
Electronic compass, LCD display module, photoelectric coded disk, stepper motor, ultrasonic distance measuring module, bluetooth communication and level correction module connect microprocessor respectively.
Data receiver is the mobile terminal of compatible bluetooth 4.0 agreement with generation terminal, as smart mobile phone or panel computer etc.
Data receiver reconnoitres the CAD drawing of the data genaration computer room structure information that terminal is uploaded according to computer room structure information with generating terminal.
Computer room structure information prospecting terminal main composition is as follows:
1, battery adopts rechargeable lithium ion batteries, and capacity is 500 milliamperes/hour, and output voltage is 4.7V.
2, power management module R1131N331B-TR-F chip is responsible for Charge Management, from the 5v voltage end power taking of USB interface, to lithium ion cell charging; AMS117 exports power taking from battery-end, the 4.7V voltage step-down of battery is powered to 3.3V voltage to CPU with other components and parts.
3, CPU adopts the CC2541F256 of embedded with bluetooth 4.0 agreement of TI company production.
4, electronic compass (digital compass) adopts the three-axis gyroscope of MPU-3050.
5, photoelectric encoder adopts Hengstler (Heng Shile) absolute value encoder AC58, and the grating disc of photoelectric encoder is arranged on the axle of stepper motor, when motor rotates, and grating disc and the synchronized rotation of motor.The output terminal of photoelectric encoder is connected with CPU, is used for feeding back the anglec of rotation of stepper motor, to correct the anglec of rotation of stepper motor.
6,12864 liquid crystal displays of LCD display module band Chinese word library.
7, ultrasonic distance measuring module adopts RisymHC-SR04 ultrasonic distance-measuring sensor, and two ultrasonic ranging moulds are separately fixed on the main shaft of two stepper motors, and the ultrasound wave transmit direction of ultrasonic distance measuring module is vertical with the main shaft of stepper motor.
8, level orientation correction module adopts ADXL345 three axis accelerometer.
The grating disc of photoelectric encoder is fixed on the main shaft of stepper motor.Two stepper motor axle center lines being furnished with photoelectric coded disk are in same plane, and axial line is mutually vertical, and as shown in Figure 3, stepper motor 1 drives ultrasonic wave module 1, can constantly measure in vertical plane, the distance on test point and ceiling, metope and ground.Stepper motor 2 drives ultrasonic wave module 2, can constantly measure in surface level, the distance of test point and surrounding metope.
The X-axis of the ADXL345 three axis accelerometer in level orientation correction module and the axis parallel of stepper motor 2, and point to same direction, its corresponding relation is as shown in Figure 4 and Figure 5.
Before using, computer room structure information prospecting terminal needs and data receiver carry out Bluetooth pairing with generation terminal and are connected.
During use, DATA REASONING data are constantly sent to data receiver and generate terminal by computer room structure information prospecting terminal, and data receiver produces according to sending data the CAD drawing reconnoitring structure with generation terminal.
The principle of work of the present embodiment is:
The first step, inspection of the scene of a crime personnel utilize tripod to fix machine room structural information prospecting terminal, and start the power supply of this information prospecting terminal.
Second step, computer room structure information prospecting terminal measures the output accekeration of level correction module, ajust by hand the placement angle of machine room structural information prospecting terminal, until the axis parallel of stepper motor 1 in the axial line of surface level, stepper motor 2 perpendicular to surface level.
3rd step, computer room structure information prospecting terminal passes through the axial line of adjustment stepper motor 1 to the positive north according to the information of electronic compass, immediately below the transmit direction sensing of the ultrasonic distance measuring module 1 of stepper motor 1, the transmit direction of the ultrasonic distance measuring module of stepper motor 2 points to the positive north.
4th step, computer room structure information prospecting terminal sends the initial measuring-signal of horizontal direction to data receiver and generation terminal, the ultrasonic distance measuring module 2 of the stepper motor 2 of the terminal of computer room structure information prospecting simultaneously vertical direction starts to carry out the first dot information measurement to mill construction, and measurement data is sent to data receiver as starting point data and generates terminal.
During measurement, the ultrasonic sensor transmitter unit of ultrasonic distance measuring module 2 launches ultrasound wave to metope, while x time, start timing, encounters metope in way, and sound wave just returns immediately, and ultrasonic receiver receives reflection wave and stops timing immediately.The aerial velocity of propagation of ultrasound wave is 340m/s, according to the time t of timer record, obtains the distance of prospecting point distance metope, that is: S
i=340t/2 (m).
In order to obtain the information data of in horizontal direction 360 °, computer room structure information prospecting terminal needs horizontal direction measures 200 data points.Stepper motor 2 each drive ultrasonic distance measuring module 2 of the vertical direction of computer room structure information prospecting terminal rotates counterclockwise a step angle 1.8 ° and carries out one-shot measurement, and the data obtained is sent to data receiver and generate terminal; After complete 360 ° of computer room structure information prospecting terminal rotating, stop motion
According to the method, the metope information data of in horizontal direction 360 ° can be obtained, and automatically determine the position of this test point in indoor horizontal direction.
5th step, computer room structure information prospecting terminal sends horizontal checkout termination signal to data receiver and generation terminal.
6th step, computer room structure information prospecting terminal sends the initial measuring-signal of vertical direction to data receiver and generation terminal, the ultrasonic distance measuring module 1 of the stepper motor 1 of the terminal of computer room structure information prospecting simultaneously vertical direction starts to carry out the first dot information measurement to mill construction, and measurement data is sent to data receiver as vertical direction measurement starting point data and generates terminal.
During measurement, the ultrasonic sensor transmitter unit of ultrasonic distance measuring module 1 launches ultrasound wave earthward, while x time, start timing, ground is encountered in way, sound wave just returns immediately, and ultrasonic receiver receives reflection wave and stops timing immediately, obtains the distance on prospecting point and ground.
In order to obtain the information data of in vertical direction 360 °, computer room structure information prospecting terminal needs vertical direction measures 200 data points.Stepper motor 1 each drive ultrasonic distance measuring module 1 of the horizontal direction of computer room structure information prospecting terminal rotates counterclockwise a step angle 1.8 ° and carries out one-shot measurement, and the data obtained is sent to data receiver and generate terminal; After complete 360 ° of computer room structure information prospecting terminal rotating, stop motion
According to the method, the metope of in vertical direction 360 °, ground and ceiling information data can be obtained, and automatically determine the GIS position of this test point in indoor vertical height.
7th step, data receiver receives level with after the structural information of vertical both direction with generation terminal check, terminates to measure, and signals and stops this to test.
8th step, all measurement points, according to the structural information of level with vertical both direction, are directly connected, generate the computer room structure information cad file that comprises horizontal section and vertical cross-section, as shown in Figure 7 by data receiver and generation terminal.
9th step, does metrical information calibration to the cad file temporarily generated, generates the cad file comprising final computer room structure information.Consider computer room structure feature, utilize software to calibrate according to following methods: horizontal section and vertical cross-section are done and extended by (1), form a closed structure.(2) owing to often rotating 1.8 °, all corners are likely become irregular obtuse angle by discrete measurement point, therefore need to do matching to the measurement point line of adjacent three measurement points on same straight line.Approximating method as shown in Figure 8.Can find out that from measurement result figure measurement point A, measurement point B, measurement point C are at same straight line, measurement point D, measurement point E, measurement point F are also at same straight line.Therefore extended along C direction by line segment BC, extended by line segment DE along D direction, if the point of two ray intersection is G, then upgrading metrical information is CG and GD, and deletes the CD line segment in structural information.
Prospecting personnel can data receiver with generate terminal and reconnoitre by computer room structure information and the form of GIS drawing creation system or web document transfer is sent to designer.
The advantages such as embodiment of the present invention computer room structure CAD drawing information generation method is applicable to the drafting of the machine room inspection of the scene of a crime and structural information CAD drawing, has portability strong, and test data is accurate reliably, robotization performance is good.
Compared with prior art, the beneficial effect of the above embodiment of the present invention is: because computer room structure information prospecting terminal is integrated with the required instrument of digital compass, two the multiple indoor machine room such as photoelectric coded disk, LCD display module, two ultrasonic distance measuring modules, level correction modules prospectings, prospecting personnel can be facilitated easily to obtain machine room inside subject structural information such as machine room inner length, orientation etc., significantly alleviate number of devices and overall weight that staff needs to carry; Computer room structure information prospecting terminal has the function of data receiver and the production terminal being wirelessly connected to and having powerful computing function, data message after test can be transferred to terminal carry out calculating with add up, cad file data genaration, CAD structural information mark and data visualization, therefore operate and can create good Consumer's Experience; Portable terminal can autonomous long time power, decrease the dependence of prospecting personnel to the energy; The accuracy of indoor location when indoor ultrasonic locating module adds parameter measurement.
Claims (8)
1. a computer room structure information prospecting and structural information CAD drawing creation method, it is characterized in that, utilize structural information prospecting in room to carry out data acquisition and drawing creation with structural information CAD drawing creation system, the prospecting of computer room structure information and structural information CAD drawing creation system comprise computer room structure information and reconnoitre terminal and data receiver and generation terminal; Computer room structure information prospecting terminal obtains machine room inner structure data, and with data receiver with generate terminal wireless communication, data receiver reconnoitres the CAD drawing of the data genaration computer room structure information that terminal is uploaded according to computer room structure information with generating terminal.
2. computer room structure information prospecting according to claim 1 and structural information CAD drawing creation method, it is characterized in that, computer room structure information prospecting terminal comprises power supply, microprocessor, display screen and two supersonic range finders driven by stepper motor, and display screen is connected with microprocessor respectively with supersonic range finder; The axis of the first supersonic range finder stepper motor and the axis vertical take-off of the second supersonic range finder stepper motor.
3. computer room structure information prospecting according to claim 2 and structural information CAD drawing creation method, it is characterized in that, computer room structure information prospecting terminal comprises bluetooth communication, level correction module and electronic compass, and bluetooth communication, level correction module and electronic compass connect microprocessor respectively.
4. computer room structure information prospecting according to claim 3 and structural information CAD drawing creation method, it is characterized in that, supersonic range finder comprises ultrasonic distance measuring module and described stepper motor, ultrasonic distance measuring module is fixed on the main shaft of stepper motor, and the ultrasound wave transmit direction of ultrasonic distance measuring module is vertical with the main shaft of stepper motor; Ultrasonic distance measuring module connects microprocessor.
5. computer room structure information prospecting according to claim 4 and structural information CAD drawing creation method, it is characterized in that, supersonic range finder comprises photoelectric encoder, and the grating disc of photoelectric encoder is fixed on the main shaft of stepper motor, the output termination microprocessor of photoelectric encoder.
6. computer room structure information prospecting according to claim 4 and structural information CAD drawing creation method, is characterized in that, comprise the following steps:
601) adjust the inclination angle of machine room structural information prospecting terminal, make the axis parallel of the first supersonic range finder stepper motor in the axial line of surface level, the second supersonic range finder stepper motor perpendicular to surface level;
602) using the reference position that the ultrasound wave transmit direction of the first supersonic range finder ultrasonic distance measuring module is measured as vertical direction, using the reference position that the ultrasound wave transmit direction of the second supersonic range finder ultrasonic distance measuring module is measured as horizontal direction;
603) ultrasonic distance measuring module of the first supersonic range finder is found range at 360 ° of scope internal points of division with the first step angle in vertical direction, and whole vertical ranging data is sent to data receiver and generates terminal by computer room structure information prospecting terminal;
604) ultrasonic distance measuring module of the second supersonic range finder is found range at 360 ° of scope internal points of division with the second step angle in the horizontal direction, and whole horizontal ranging data is sent to data receiver and generates terminal by computer room structure information prospecting terminal;
605) data receiver and generation terminal are according to the ranging data of level with vertical both direction, generate the cad file comprising horizontal section and vertical cross-section computer room structure information.
7. computer room structure information prospecting according to claim 6 and structural information CAD drawing creation method, it is characterized in that, in step 602, the reference position that vertical direction is measured is vertical direction, and the reference position that horizontal direction is measured is direct north.
8. computer room structure information prospecting according to claim 6 and structural information CAD drawing creation method, it is characterized in that, data receiver does metrical information with generation terminal to the cad file that step 605 generates and calibrates, and generates the cad file comprising final computer room structure information.
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Application publication date: 20160420 |