CN207395682U - The system for measuring height - Google Patents
The system for measuring height Download PDFInfo
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- CN207395682U CN207395682U CN201720769934.0U CN201720769934U CN207395682U CN 207395682 U CN207395682 U CN 207395682U CN 201720769934 U CN201720769934 U CN 201720769934U CN 207395682 U CN207395682 U CN 207395682U
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- Length Measuring Devices By Optical Means (AREA)
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Abstract
The utility model provides a kind of system for measuring height.The system of the measurement height, which includes target object and the controller with target object communication connection, the target object, has the first signal projector and the secondary signal transmitter below the first signal projector, and the controller has signal receiver；When measuring height, make first, secondary signal transmitter emits signal and is received by signal receiver, according to first, secondary signal transmitter emits signal and receives elapsed time by signal receiver to signal respectively is calculated acquisition the distance between from the first signal projector and secondary signal transmitter to signal receiver respectively, and combine the height that the distance between the first signal projector measured in advance and secondary signal transmitter calculate the first signal projector distance controller position horizontal plane, complete the measurement to height, signal power is small, the precision of measurement is high.
Description
Technical field
The utility model is related to measuring device technical field more particularly to a kind of systems for measuring height.
Background technology
In reality, the height of object is measured, is most basic measurement activity.Many higher objects, can not make
Its height is measured with conventional contact type measurement instrument, particularly forestry, geology, mine, electric power, communication, road and bridge,
The fields such as water conservancy, architectural engineering and heavy construction installation, are typically only capable to the method using contactless measurement height.
It is a kind of method of common non-contact measurement height to carry out elevation carrection using radar, and operation principle is：
The radar transmitter for being arranged at ground generates enough electromagnetic energy and sends antenna to by transmit-receive switch, and antenna is by electromagnetism
Energy is radiated to concentrate on some very narrow side in air and be upwardly formed electromagnetic beam and propagate forward, when electromagnetic beam reaches mesh
After marking object, reflection will be generated along all directions, the part electromagnetic energy wherein in electromagnetic beam is by backpropagation by radar
Antenna obtain, antenna obtain electromagnetic energy by transmit-receive switch be transmitted to radar receiver formed radar echo letter
Number, radar obtains time of the electromagnetic energy from transmitting to reception, with reference to electromagnetic wave propagation speed, obtains radar to target object
Distance, so as to achieve the purpose that survey it is high.Since the electromagnetic energy reflected by target object only has part that can be received by radar
, it is necessary to which higher transmission power, power consumption is big when arriving, therefore elevation carrection carried out using radar, meanwhile, using reflection of electromagnetic wave
Radar to survey high mode precision relatively low, generally in 10m or so.
Therefore, it is necessary to the method for proposing a kind of system of new measurement height and measuring height, to solve the above problems.
Utility model content
The purpose of this utility model is to provide a kind of systems for measuring height, can be simply and effectively to highly surveying
Amount, signal power is small, and the precision of measurement is high.
To achieve the above object, the utility model provides a kind of system for measuring height, including：Target object and and target
The controller of object communication connection, the target object have the first signal projector with being located at below the first signal projector
Secondary signal transmitter, the controller have signal receiver；
First signal projector and secondary signal transmitter are for outwards transmitting signal；
The signal receiver is for the first signal projector of reception and the signal of secondary signal transmitter transmitting；
Emit signal respectively according to the first signal projector and secondary signal transmitter to be received by signal receiver to signal
Elapsed time calculate respectively acquisition from the first signal projector and secondary signal transmitter to signal receiver away from
From emitting according to the distance between the first signal projector measured in advance and secondary signal transmitter and by signal with connecing
Contracture do not calculate measure the distance between from the first signal projector and secondary signal transmitter to signal receiver, calculate
The height of first signal projector distance controller position horizontal plane.
The target object is equipped with first processing units, the first processing units and the first signal projector and the second letter
Number transmitter is electrically connected；The controller is equipped with second processing unit, and the second processing unit and signal receiver are electrical
Connection；The first processing units are connected with second processing unit communications.
It is sent out according to the distance between the first signal projector measured in advance and secondary signal transmitter and by signal
Penetrate with receive calculate respectively measure the distance between from the first signal projector and secondary signal transmitter to signal receiver,
The height of the first signal projector distance controller position horizontal plane is calculated by following height calculation formula；
The height calculation formula is：
H=(d2+L1 2-L2 2)/2d；
Wherein, H is the height of the first signal projector distance controller position horizontal plane, and d is the measured in advance
The distance between one signal projector and secondary signal transmitter, L1For from the first signal projector to signal receiver
Distance, L2For the distance between from secondary signal transmitter to signal receiver.
Start timing after the first signal projector, secondary signal transmitter transmitting signal respectively, and connect respectively in signal
It receives after device receives the first signal projector and the signal of secondary signal transmitter transmitting and terminates timing, so as to obtain the first letter
Number transmitter and secondary signal transmitter emit signal and receive elapsed time by signal receiver to signal respectively；
The first signal projector and secondary signal transmitter transmitting signal are received into institute to signal by signal receiver respectively
The spread speed for the signal that elapsed time and the first signal projector and secondary signal transmitter emit is multiplied, so as to obtain from
First signal projector and secondary signal transmitter are the distance between to signal receiver.
The target object is unmanned plane；
First signal projector and the signal of secondary signal transmitter transmitting are infrared ray, electromagnetic wave or sound
Ripple.
The beneficial effects of the utility model：A kind of system for measuring height provided by the utility model, including target object
And the controller with target object communication connection, the target object have the first signal projector with emitting positioned at the first signal
Secondary signal transmitter below device, the controller have signal receiver；When measuring height, make first, second signal
Transmitter emits signal and is received by signal receiver, emits signal respectively to letter according to first, second signal projector
Number by signal receiver receive elapsed time calculated respectively acquisition from the first signal projector and secondary signal transmitter to
The distance between signal receiver, and combine the distance between the first signal projector measured in advance and secondary signal transmitter
The height of the first signal projector distance controller position horizontal plane is calculated, completes the measurement to height, signal power
Small, the precision of measurement is high.
Description of the drawings
In order to be further understood that the feature of the utility model and technology contents, refer to new below in connection with this practicality
The detailed description of type and attached drawing, however attached drawing is only provided and referred to illustrating to use, and is not used for being any limitation as the utility model.
In attached drawing,
Fig. 1 is the schematic diagram of the system of the measurement height of the utility model.
Specific embodiment
Further to illustrate technological means and its effect that the utility model is taken, below in conjunction with the utility model
Preferred embodiment and its attached drawing are described in detail.
Referring to Fig. 1, the utility model provides a kind of system for measuring height, including：Target object 2 and and target object
The controller 4 of 2 communication connections, the target object 2 have the first signal projector 22 with being located under the first signal projector 22
The secondary signal transmitter 24 of side, the controller 4 have signal receiver 42；
First signal projector 22 and secondary signal transmitter 24 are for outwards transmitting signal；
The signal that the signal receiver 42 emits for the first signal projector 22 of reception and secondary signal transmitter 24；
Emit signal respectively according to the first signal projector 22 and secondary signal transmitter 24 to signal by signal receiver
42 reception elapsed times calculated acquisition and are received from the first signal projector 22 with secondary signal transmitter 24 to signal respectively
The distance between device 42, according to the distance between the first signal projector 22 measured in advance and secondary signal transmitter 24 and
By signal emit with receive respectively calculating measure connect from the first signal projector 22 with secondary signal transmitter 24 to signal
The distance between device 42 is received, calculates the height of 22 distance controller of the first signal projector, 4 position horizontal plane.
Specifically, the target object 2 is equipped with first processing units 26,26 and first signal of the first processing units hair
Emitter 22 and secondary signal transmitter 24 are electrically connected；The controller 4 is equipped with second processing unit 44, the second processing list
Member 44 is electrically connected with signal receiver 42；The first processing units 26 are connected with the communication of second processing unit 44.
Specifically, in the utility model, according to the first signal projector 22 and secondary signal transmitter measured in advance
The distance between 24 and by signal emit with receive calculate respectively measure from the first signal projector 22 and secondary signal
Transmitter 24 the distance between to signal receiver 42, by following height calculation formula calculate the first signal projector 22 away from
Height from 4 position horizontal plane of controller；
The height calculation formula is：
H=(d2+L1 2-L2 2)/2d；
Wherein, H is the height of 22 distance controller of the first signal projector, 4 position horizontal plane, and d is measured in advance
The distance between first signal projector 22 and secondary signal transmitter 24, L1To be received from the first signal projector 22 to signal
The distance between device 42, L2For the distance between from secondary signal transmitter 24 to signal receiver 42.
Specifically, in the utility model respectively the first signal projector 22, secondary signal transmitter 24 emit signal after
Start timing, and receive what the first signal projector 22 and secondary signal transmitter 24 emitted in signal receiver 42 respectively
Terminate timing after signal, emit signal respectively to signal so as to obtain the first signal projector 22 and secondary signal transmitter 24
Elapsed time is received by signal receiver 42；
The first signal projector 22 and secondary signal transmitter 24 are emitted into signal to signal by signal receiver 42 respectively
The spread speed that elapsed time is received with the first signal projector 22 and the signal of the transmitting of secondary signal transmitter 24 is multiplied,
So as to obtain from the distance between the first signal projector 22 and secondary signal transmitter 24 to signal receiver 42.
Specifically, the target object 2 can be unmanned plane.
Specifically, the signal that first signal projector 22 and secondary signal transmitter 24 emit can be infrared ray,
Electromagnetic wave or sound wave.
It should be noted that referring to Fig. 1,24 position of secondary signal transmitter, secondary signal transmitter 24 are being controlled
A right angled triangle, the first letter are formed between 42 position of projection and signal receiver of 4 position horizontal plane of device processed
Number projection and signal receiver of 22 position of transmitter, the first signal projector 22 in 4 position horizontal plane of controller
Also a right angled triangle is formed between 42 positions, since secondary signal transmitter 24 is arranged under the first signal projector 22
Side, the right angle of above-mentioned two right angled triangle overlap, and wherein a right-angle side overlaps, according to the hook stock of two right angled triangles
Theorem, the height H of 22 distance controller of the first signal projector, 4 position horizontal plane, from the first signal projector 22 to letter
The distance between number receiver 42 L1, from secondary signal transmitter 24 to the distance between signal receiver 42 L2, the first signal hair
Meet the height calculation formula between the distance between emitter 22 and secondary signal transmitter 24 d.Since the first signal emits
The distance between device 22 and secondary signal transmitter 24 d are when setting the first signal projector 22 with secondary signal transmitter 24
It measures in advance, the utility model is by making the first signal projector 22 and secondary signal transmitter 24 emit signal simultaneously respectively
42 are received by signal receiver, signal is emitted to signal according to the first signal projector 22 and secondary signal transmitter 24 respectively
Acquisition can be calculated from the first signal projector 22 and secondary signal transmitter by receiving elapsed time by signal receiver 42
24 to the distance between signal receiver 42 L1、L2, further, will be from the first signal projector 22 and secondary signal transmitter
24 to the distance between signal receiver 42 L1、L2, in advance the first signal projector 22 and secondary signal transmitter 24 that measure it
Between distance d substitute among the height calculation formula, you can obtain 22 distance controller of the first signal projector, 4 position
The height H of horizontal plane namely measurement to 2 height of target object is completed, radar emission electromagnetic wave is used compared to existing
Part electromagnetic beam is simultaneously reflected back radar by target object and carries out elevation carrection by beam, due to the first signal projector 22 and
Signal transmission between secondary signal transmitter 24 and signal receiver 42 is unidirectional, will not be generated as caused by signal reflex
The weakening of signal, thus the power of the first signal projector 22 and the signal of the transmitting of secondary signal transmitter 24 is compared to existing skill
Art can be designed smaller, can more power saving, while unidirectional signal transmission generate ranging error it is smaller, make to height
The precision of measurement greatly promotes, and can be controlled in a millimeter rank, is promoted and surveys high accuracy.
In conclusion the system of the measurement height of the utility model includes target object and communicates connection with target object
There is the first signal projector to emit with the secondary signal below the first signal projector for controller, the target object
Device, the controller have signal receiver；When measuring height, make first, second signal projector transmitting signal and by believing
Number receiver is received, and emit signal respectively according to first, second signal projector receives institute to signal by signal receiver
Elapsed time calculates acquisition the distance between from the first signal projector and secondary signal transmitter to signal receiver respectively,
And it combines the distance between the first signal projector measured in advance and secondary signal transmitter and calculates the first signal projector
The height of distance controller position horizontal plane, completes the measurement to height, and signal power is small, and the precision of measurement is high.
The above, for those of ordinary skill in the art, can with technical solution according to the present utility model and
Technical concept makes other various corresponding changes and deformation, and after all these changes and deformation should all belong to the utility model
Attached scope of the claims.
Claims (3)
1. a kind of system for measuring height, which is characterized in that including：Target object (2) and with target object (2) communication connection
Controller (4), the target object (2) have the first signal projector (22) with being located at below the first signal projector (22)
Secondary signal transmitter (24), the controller (4) have signal receiver (42)；
First signal projector (22) and secondary signal transmitter (24) are for outwards transmitting signal；
The signal receiver (42) is for the first signal projector of reception (22) and the letter of secondary signal transmitter (24) transmitting
Number.
2. the system of measurement height as described in claim 1, which is characterized in that the target object (2) is equipped with the first processing
Unit (26), the first processing units (26) electrically connect with the first signal projector (22) and secondary signal transmitter (24)
It connects；The controller (4) is equipped with second processing unit (44), and the second processing unit (44) is electrical with signal receiver (42)
Connection；The first processing units (26) connect with second processing unit (44) communication.
3. the system of measurement height as described in claim 1, which is characterized in that the target object (2) is unmanned plane；
First signal projector (22) and secondary signal transmitter (24) transmitting signal be infrared ray, electromagnetic wave or
Sound wave.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720769934.0U CN207395682U (en) | 2017-06-28 | 2017-06-28 | The system for measuring height |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720769934.0U CN207395682U (en) | 2017-06-28 | 2017-06-28 | The system for measuring height |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207395682U true CN207395682U (en) | 2018-05-22 |
Family
ID=62402449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720769934.0U Active CN207395682U (en) | 2017-06-28 | 2017-06-28 | The system for measuring height |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207395682U (en) |
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2017
- 2017-06-28 CN CN201720769934.0U patent/CN207395682U/en active Active
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Address after: 518000 Building A and B of Dingfeng High-tech Park, Shapuwei Second Industrial Zone, Songgang Street, Baoan District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Sheng Guang you Cai Jia Electronic Technology Co., Ltd. Address before: 518000 Building A and B of Dingfeng High-tech Park, Shapuwei Second Industrial Zone, Songgang Street, Baoan District, Shenzhen City, Guangdong Province Patentee before: Shenzhen Duojingcai Electronic Technology Co., Ltd. |