WO2017166273A1

WO2017166273A1 - Image display ranging system and ranging method

Info

Publication number: WO2017166273A1
Application number: PCT/CN2016/078285
Authority: WO
Inventors: 曾进民; 石昕; 刑星
Original assignee: 美国西北仪器公司; 上海诺司纬光电仪器有限公司
Priority date: 2016-04-01
Filing date: 2016-04-01
Publication date: 2017-10-05

Abstract

Disclosed are an image display ranging system and method. The system comprises a storage unit, an operating unit, a ranging unit, a data processing unit, and a display unit (2). The storage unit preconfigures a plurality of images of a measurement target (4). The operating unit selects, according to the measurement target (4), a corresponding image and inputs a corresponding operating instruction to the ranging unit. The ranging unit performs distance measurement on the measurement target (4) according to the operating instruction input by a user, so as to obtain a corresponding ranging signal. The data processing unit processes the ranging signal to obtain corresponding measurement data. The display unit (2) displays the preconfigured image of the measurement target (4), and indicates the measurement data at corresponding positions of the image. The ranging system of the present invention is simple and convenient to use, intuitively displays measurement content, and achieves human-machine interaction.

Description

Graphic display ranging system and ranging method

Technical field

The invention relates to a distance measuring device, in particular to a distance measuring system and a distance measuring method for visually displaying ranging contents in a graphical manner.

Background technique

At present, almost all aspects of people's lives and work need to use distance measuring devices for line and area measurement and planning, such as in the field of construction, road engineering, transportation, pipeline laying, garden landscape and so on.

A laser range finder is an instrument that uses a laser to accurately measure the distance of a target. The specific working principle is that the laser range finder emits a very thin laser beam to the target during operation, the photoelectric component receives the laser beam reflected by the target, and the timer measures the time from the transmission to the reception of the laser beam, and calculates the observation from the observation. The distance to the target.

However, when the existing laser range finder displays measurement information, the display content is relatively simple, and the required measurement information and content cannot be displayed intuitively, and the operability of human-computer interaction is poor.

Summary of the invention

SUMMARY OF THE INVENTION It is an object of the present invention to overcome the deficiencies of the prior art and to provide a graphical display ranging system for visually displaying a ranging target in a graphical manner.

In order to achieve the above object, the present invention provides the following technical solution: a graphic display ranging system, including a storage unit, an operation unit, a ranging unit, a data processing unit, and a display unit, wherein

The storage unit is pre-configured with a plurality of graphics of the measurement target;

The operation unit selects a corresponding graphic according to the target and switches the working mode of the ranging system, and sends a corresponding operation instruction to the ranging unit and the data processing unit;

The ranging unit is configured to perform distance measurement on the measurement target according to the operation instruction of the operation unit, to obtain a corresponding ranging signal;

The data processing unit is connected to the operation unit, the ranging unit and the display unit, and is configured to obtain corresponding measurement data according to the ranging signal processing of the ranging unit, and process the operation instruction of the operation unit;

The display unit is configured to display a graphic of a preset measurement target, and identify the measurement data obtained by the data processing unit on the graphic.

Preferably, the operating unit selects a corresponding graphic according to the target, selects a side length to be measured on the graphic, and sends an operation instruction for measuring the selected side length to the ranging unit.

Preferably, the distance measuring system comprises a body, the storage unit and the data processing unit are disposed in the body, and the operating unit, the distance measuring unit and the display unit are disposed on the surface of the body.

Preferably, the ranging system further comprises a power supply unit connected to the storage unit, the operating unit, the ranging unit, the data processing unit and the display unit.

Preferably, the ranging unit comprises a signal transmitting unit and a signal receiving unit, the signal transmitting unit is configured to transmit a ranging signal to the measurement target along a sensing direction; and the signal receiving unit is configured to receive the return from the measurement target. Ranging signal.

Preferably, when the measurement data is a length distance, the display unit is displayed in a scale graphic with a specific scale; when the measurement target is a regular plane or a solid figure, the display unit displays the measurement target Graphic, area or volume information, and the corresponding side length is identified on the graph.

Preferably, the display unit is a touch screen, and the display unit is integrated with the operation unit.

Preferably, the scale pattern scrolls up and down in the display unit as the measured distance changes.

Preferably, the scale font on the scale pattern near the middle position thereof is enlarged, ie The font is larger than the other scales on the scale graphic.

The invention also discloses another technical solution: a graphic display ranging method, comprising the following steps:

According to the operation instruction input by the user, the distance measurement is performed on the measurement target to obtain a corresponding ranging signal;

Processing the ranging signal to obtain corresponding measurement data;

A graphic of the preset measurement target is displayed, and the obtained measurement data is identified on the graphic.

Preferably, the graphic of the measurement target is preset in a memory.

Preferably, before the measurement target is measured, the corresponding graphic is selected according to the measurement target, and the side length of the desired measurement on the graphic is selected, and an operation instruction for measuring the selected side length is input.

The present invention displays a plurality of measurement target images in a memory in advance, and after performing a corresponding measurement operation according to a user's operation instruction, the measurement target is graphically displayed by the display unit, and the corresponding position on the graphic is The measurement data is identified. It is convenient and easy to use, and the measurement data represents an intuitive effect, realizing the operability of human-computer interaction.

DRAWINGS

1 is a schematic structural view of a graphic display ranging system according to Embodiment 1 of the present invention;

2 is a schematic structural view of a graphic display ranging system according to Embodiment 2 of the present invention;

3 is a schematic structural view of a graphic display ranging system according to Embodiment 3 of the present invention;

4 is a schematic structural diagram of a graphic display ranging system according to Embodiment 4 of the present invention;

FIG. 5 is a schematic flow chart of the graphic display ranging method of the present invention.

Reference mark:

1, the body, 2, display unit, 3, scale, 4, measurement target.

detailed description

The technical solutions of the embodiments of the present invention will be clearly and completely described in the following with reference to the accompanying drawings.

As shown in FIG. 1 to FIG. 4, a graphic display ranging system disclosed in an embodiment of the present invention includes a body 1, a storage unit (not shown), an operation unit (not shown), and a ranging unit (not shown). a data processing unit (not shown) and a display unit 2, the storage unit is disposed in the body 1, and a plurality of patterns of measurement targets are pre-stored therein, and can be retrieved at any time according to needs, and the measurement target can be a straight line. Distance, plane graphics or solid graphics. The operation unit is disposed on the surface of the body 1 and connected to the ranging unit and the data processing unit, and can be used to select a corresponding graphic according to the target and switch the working mode of the system, such as switching the length of the measuring line, the length of the plane graphic and the area thereof, and the three-dimensional The side length of the graph and its volume. The operation unit includes at least one operation key, each operation key corresponds to a working mode, and the user selects a graphic corresponding to the target through the operation unit, and inputs a corresponding operation instruction to the ranging unit and the data processing unit, for example, to measure a plane graphic. The side length and its area, the user first selects the plane graphic to be measured through the operation unit, and selects the side length to be measured on the plane graphic, and inputs the operation instruction for measuring the selected side length to the ranging unit and the data processing unit.

The ranging unit is disposed on the surface of the body 1 for performing distance measurement on the measurement target according to an operation instruction of the operation unit, obtaining a corresponding ranging signal, and outputting the ranging signal to the data processing unit. Specifically, the ranging unit of the embodiment includes a signal transmitting unit (not shown) and a signal receiving unit (not shown), and the signal transmitting unit can transmit a ranging signal to the measuring target outside the body along a sensing direction, and the signal The receiving unit is configured to receive a ranging signal returned from the measurement target.

The data processing unit is disposed in the body 1, and is connected to the operation unit, the ranging unit and the display unit 2, on the one hand, it receives an operation instruction input by the operation unit, and controls the distance measurement unit to implement the required measurement task according to the instruction; On the other hand, it receives the ranging signal returned by the ranging unit, and processes and outputs the corresponding measurement data to the display unit.

The display unit 2 is disposed on the surface of the body 1, and is connected to the data processing unit, and graphically displays the required measurement target according to the control instruction of the data processing unit, and displays the graphic The distance information measured by the upper is identified at the set position. In a specific implementation, the display unit 2 can select a touch screen, so that the display unit 2 and the operation unit can be integrated to improve the overall integration degree of the system, and is convenient to operate and easy to control.

In addition, the graphic display ranging system of the embodiment of the present invention further includes a power supply unit (not shown), and the power supply unit is connected with the storage unit, the operation unit, the ranging unit, the data processing unit and the display unit for performing to them. The power supply unit can be disposed outside the body 1 or in the body 1.

According to different measurement targets, the graphics displayed by the display unit 2 are also very diverse. The following describes the working principle of the graphic display ranging system of the present invention by a few examples:

When the length distance value needs to be directly measured, the user first selects the target orientation of the desired measurement on the display unit 2 through the operation unit, and after selecting, starts the ranging unit to perform measurement, and obtains a ranging signal, and the data processing unit according to the ranging signal The processing obtains a length distance and sends the length distance value to the display unit 2 for display. In this embodiment, the display unit presents the length distance in the form of a scale 3 with a specific distance. If the measurement distance is 100 cm, the scale can be displayed with a range of 100 cm, and the scale value of the scale can be 1 mm, such as Figure 1 shows. In addition, the scale pattern can be scrolled up and down in the display unit as the measurement distance changes, that is, as the measurement distance increases, the distance scale on the scale gradually increases. And the scale font near the middle of the scale can be enlarged compared to other scales on the scale, so that the user can see the measured distance value more intuitively.

When the target 4 to be measured is a right triangle, the user first selects a right triangle in the display unit through the operation unit, and then selects one of the sides of the right triangle, such as a hypotenuse, to send an operation instruction for measuring the length of the hypotenuse to The ranging unit, after receiving the instruction, the ranging unit measures the oblique side L of the right triangle, and the measurement principle of the other two right angle sides is the same, and the measurement of the three right angle sides is in no particular order, and the measurement is performed according to the user operation. After the measurement, three ranging signals of two side lengths (ie, two right-angled sides W, H, and oblique side L) are obtained, and the three ranging signals are sent to the data processing unit, and processed by the data processing unit to obtain a right angle. triangular The value of the three sides and the area value are output to the display unit. The display unit displays the preset right triangle and its area value, and identifies the three side length values on the right triangle at the corresponding positions. Figure 2 shows.

When the target 4 to be measured is a parallelogram, similar to the measurement principle of the above-mentioned right-angled triangle, the user first selects a parallelogram in the display unit through the operation unit, and after selecting, the distance measuring unit is started to respectively perform the two adjacent sides of the parallelogram. Measurement, the measurement principle of each side is the same, after the measurement, the obtained two sides of the ranging signal are sent to the data processing unit, and the data processing unit processes the two side length values adjacent to the parallelogram and the area value thereof. Output to the display unit, the display unit displays the preset parallelogram and its area value, and identifies the adjacent two side length values on the parallelogram at the corresponding positions, as shown in FIG.

When the target 4 to be measured is a rectangular parallelepiped, the user first selects a rectangular parallelepiped in the display unit through the operation unit. After the selection, the distance measuring unit is started to measure the lengths of the length, the width and the height of the rectangular parallelepiped, and the measurement principle of each side is the same. After the measurement, the obtained three-side long ranging signal is sent to the data processing unit, and the data processing unit processes the three-sided length value and the volume value of the rectangular parallelepiped, and outputs the value to the display unit, and the display unit displays the preset. The rectangular parallelepiped figure and its volume value, and the length, width, and height of the long side are respectively identified in the corresponding positions on the rectangular parallelepiped, as shown in FIG.

Of course, the measurement target pattern is not limited to the above-listed ones, and other regular planar and solid patterns are also within the scope of the present invention.

As shown in FIG. 5, the present invention also discloses a graphic display ranging method, which comprises: performing distance measurement on a measurement target according to an operation instruction input by a user, and obtaining a corresponding ranging signal; processing the ranging signal to obtain a corresponding The measurement data; finally, the measurement target is displayed graphically, and the above measured measurement data is identified at the corresponding position of the graphic.

The graphic of the measurement target is pre-stored in a memory. When used, the user selects the corresponding measurement target in the memory according to the need, and the corresponding measurement data (such as the length distance and the edge) are measured by the corresponding ranging device. Length and area, side length and volume, etc.) The display device displays a graph of the selected measurement target and identifies the obtained measurement data on the graph.

Depending on the measurement target, the displayed graphics are also very diverse. For long distances, they can be displayed in the form of a scale with a specific distance. For flat or solid graphics, the display device displays the planar shape and its area or The three-dimensional figure and the body area, and the corresponding side lengths are identified on the plane or the three-dimensional figure. For the specific implementation principle, reference may be made to the related description in the above system, and details are not described herein again.

The technical content and the technical features of the present invention have been disclosed as above, but those skilled in the art can still make various alternatives and modifications without departing from the spirit and scope of the present invention based on the teachings and disclosures of the present invention. Therefore, the scope of protection of the present invention should not be limited to The disclosure of the embodiments is intended to cover various alternatives and modifications of the inventions

Claims

A graphic display ranging system, comprising: a storage unit, an operation unit, a ranging unit, a data processing unit and a display unit, wherein

The storage unit is pre-configured with a plurality of graphics of the measurement target;

The operation unit selects a corresponding graphic according to the target and switches the working mode of the ranging system, and simultaneously sends the corresponding operation instruction to the ranging unit and the data processing unit;

The ranging unit is configured to perform distance measurement on the measurement target according to the operation instruction of the operation unit, to obtain a corresponding ranging signal;

The data processing unit is connected to the operation unit, the ranging unit and the display unit, and is configured to obtain corresponding measurement data according to the ranging signal processing of the ranging unit, and process the operation instruction of the operation unit;

The display unit is configured to display a graphic of a preset measurement target, and identify the measurement data obtained by the data processing unit on the graphic.
The graphic display ranging system according to claim 1, wherein the operation unit selects a corresponding graphic according to the target, selects a side length to be measured on the graphic, and transmits an operation instruction for measuring the selected side length. Give the ranging unit.
The graphic display distance measuring system according to claim 1, wherein the distance measuring system comprises a body, the storage unit and the data processing unit are disposed in the body, the operating unit, the ranging unit and The display unit is disposed on the surface of the body.
The graphic display ranging system according to claim 1, wherein when the measurement data is a length distance, the display unit is displayed in a scale pattern with a specific scale; the measurement target is a regular plane or In the case of a three-dimensional graphic, the display unit displays graphic, area or volume information of the measurement target, and identifies a corresponding side length on the graphic.
The graphic display ranging system according to claim 1, wherein the display unit is a touch screen, and the display unit is integrated with the operation unit.
The graphic display ranging system according to claim 4, wherein the scale pattern scrolls up and down in the display unit as the measured distance changes.
The graphic display ranging system according to claim 6, wherein the scale font on the scale pattern is larger than the font of the other scale on the scale pattern.
A graphic display ranging method, comprising the steps of:

According to the operation instruction input by the user, the distance measurement is performed on the measurement target to obtain a corresponding ranging signal;

Processing the ranging signal to obtain corresponding measurement data;

A graphic of the preset measurement target is displayed, and the obtained measurement data is identified on the graphic.
The graphic display ranging method according to claim 8, wherein the graphic of the measurement target is preset in a memory.
The graphic display ranging method according to claim 8 or 9, wherein before the measurement target is measured, the corresponding graphic is selected according to the measurement target, and the side length of the desired measurement on the graphic is selected, and the measurement is input. Select the side length operation command.