CN212588521U - Positioning device and positioning system based on double ultra-wideband modules - Google Patents
Positioning device and positioning system based on double ultra-wideband modules Download PDFInfo
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- CN212588521U CN212588521U CN202021412457.0U CN202021412457U CN212588521U CN 212588521 U CN212588521 U CN 212588521U CN 202021412457 U CN202021412457 U CN 202021412457U CN 212588521 U CN212588521 U CN 212588521U
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Abstract
This application is applicable to communication positioning technical field, provides a positioner and positioning system based on two ultra wide band modules, and this positioner includes: the first ultra-wideband module is used for being connected with a target ultra-wideband module in the positioning label; the second ultra-wideband module is used for being connected with the target ultra-wideband module; the first wireless communication module is used for being in wireless connection with the target terminal; and the first micro control unit is respectively connected with the first ultra-wideband module, the second ultra-wideband module and the first wireless communication module. This scheme utilizes the two ultra wide band modules that set up in positioner, realizes obtaining the relative position between location label and positioner when acquireing the relative distance between location label and positioner, utilizes ultra wide band technique to promote the comprehensiveness and the degree of accuracy of measuring result, enlarges and measures perception scope.
Description
Technical Field
The application belongs to the technical field of communication positioning, and particularly relates to a positioning device and a positioning system based on double ultra-wideband modules.
Background
A distance alarm exists in the current market, is mainly applied to the old, children and pets, can prevent the people from getting lost, or is applied to some special articles, and prevents the articles from being moved out of a safety range.
The existing distance alarm mainly takes a Bluetooth alarm as a main part, and mainly learns the distance range of a target object through the signal intensity of Bluetooth to realize the perception of the position of the target object. The Bluetooth alarm has various types, but because the distance sensing is mainly carried out through Bluetooth signals, the error of the measurement result of the Bluetooth alarm in the application process is often large, the accurate distance of a target object cannot be obtained, the signal intensity of the Bluetooth is weak, the Bluetooth alarm is not applicable within the range of more than twenty-three meters generally, the application range is narrow, the Bluetooth alarm can only know the approximate distance of the target object, cannot simultaneously know the direction of the target object, and cannot meet the actual application requirement.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides a positioner and positioning system based on two ultra wide band modules to solve among the prior art apart from the alarm measuring result error great, can not obtain the accurate distance of target object, application scope is narrow, and can't learn the problem in the position of target object simultaneously.
A first aspect of the embodiments of the present application provides a positioning device based on two ultra wide band modules, including:
the first ultra-wideband module is used for being connected with a target ultra-wideband module in the positioning label;
the second ultra-wideband module is connected with the target ultra-wideband module, and a set position offset is formed between the second ultra-wideband module and the first ultra-wideband module;
the first wireless communication module is used for being in wireless connection with the target terminal;
and the first micro control unit is respectively connected with the first ultra-wideband module, the second ultra-wideband module and the first wireless communication module.
Optionally, the positioning device further comprises:
the first antenna interface is connected with the first ultra-wideband module;
the second antenna interface is connected with the second ultra-wideband module;
and the third antenna interface is connected with the first wireless communication module.
Optionally, the first wireless communication module is a bluetooth module.
A second aspect of the embodiments of the present application provides a positioning system based on dual ultra-wideband modules, including the positioning device based on dual ultra-wideband modules as described in any one of the above, and a target terminal;
the target terminal includes:
the display screen comprises a first display area for displaying the position reference point and a second display area for displaying the position of the positioning label; and a process for the preparation of a coating,
and the second wireless communication module is used for being in wireless connection with the positioning device.
Optionally, the target terminal further includes:
and the positive direction indicator is arranged outside the display screen.
Optionally, the target terminal further includes:
and the fourth antenna interface is connected with the second wireless communication module.
Optionally, the second wireless communication module is a bluetooth module.
Optionally, the positioning system further comprises: positioning the label;
the positioning tag includes:
and the target ultra-wideband module is used for being respectively connected with the first ultra-wideband module and the second ultra-wideband module in the positioning device.
Optionally, the positioning tag further comprises:
and the second micro control unit is connected with the target ultra-wideband module.
Optionally, the positioning tag further comprises:
and the fifth antenna interface is connected with the target ultra-wideband module.
As can be seen from the above, in the embodiment of the present application, by providing a first ultra-wideband module for connecting with a target ultra-wideband module in a positioning tag, a second ultra-wideband module for connecting with the target ultra-wideband module and having a set position offset between the first ultra-wideband module and the second ultra-wideband module, a first wireless communication module for wirelessly connecting with a target terminal, and a first micro-control unit respectively connected with the first ultra-wideband module, the second ultra-wideband module, and the first wireless communication module, the relative distances between the two ultra-wideband modules and the positioning tag can be respectively measured by using a dual ultra-wideband module provided in the positioning device, so that the relative position between the positioning tag and the positioning device can be obtained while the relative distance between the positioning tag and the positioning device is obtained, and the detection result is output to the target terminal, the ultra-wideband technology is utilized to improve the comprehensiveness and accuracy of the measurement result and enlarge the measurement sensing range.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a block diagram of a positioning device based on a dual ultra-wideband module according to an embodiment of the present application;
fig. 2 is a schematic view of a positioning principle of a positioning device based on a dual ultra-wideband module according to an embodiment of the present application;
fig. 3 is a system configuration diagram of a positioning system based on dual ultra-wideband modules according to an embodiment of the present application.
Detailed Description
In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the present application. It will be apparent, however, to one skilled in the art that the present application may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present application with unnecessary detail.
It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It is also to be understood that the terminology used in the description of the present application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in the specification of the present application and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.
As used in this specification and the appended claims, the term "if" may be interpreted contextually as "when", "upon" or "in response to a determination" or "in response to a detection". Similarly, the phrase "if it is determined" or "if a [ described condition or event ] is detected" may be interpreted contextually to mean "upon determining" or "in response to determining" or "upon detecting [ described condition or event ]" or "in response to detecting [ described condition or event ]".
In order to explain the technical solution described in the present application, the following description will be given by way of specific examples.
Referring to fig. 1, fig. 1 is a block diagram of a positioning device based on a dual ultra-wideband module according to an embodiment of the present application. As shown in fig. 1, a positioning device based on dual ultra-wideband module includes:
a first ultra-wideband module (UWB1) for connecting with an ultra-wideband module of an object in a positioning tag;
a second ultra-wideband module (UWB2) for connecting with the target ultra-wideband module, wherein a set position offset is arranged between the second ultra-wideband module and the first ultra-wideband module;
a first wireless communication module (BLE) for wirelessly connecting with a target terminal;
and the first micro control unit (MCU1) is respectively connected with the first ultra-wideband module, the second ultra-wideband module and the first wireless communication module.
The positioning tag can be arranged on a monitored object or worn on a monitored person.
The positioning device may be a base station, or other equipment. The positioning equipment can realize ranging positioning with a plurality of positioning labels. At least two ultra-wideband modules can be configured in the positioning device. The first wireless communication module can be integrated with the first micro control unit.
The first wireless communication module is used for being in wireless connection with the target terminal so as to acquire positioning indication information sent by the target terminal and feed back the position information of the positioning label finally determined by the positioning device to the target terminal. Optionally, the first wireless communication module is a bluetooth module.
The first micro control unit realizes the operation control of each connected device.
The first ultra-wideband module and the second ultra-wideband module are arranged at different positions and are arranged at certain distance intervals. The above-mentioned offset of the setting position is specifically a distance interval of the setting position between the first ultra-wideband module and the second ultra-wideband module.
Further, as an optional implementation manner, the positioning apparatus further includes: a first antenna interface (ANT1) connected with the first ultra-wideband module; a second antenna interface (ANT2) connected to the second ultra wideband module; and a third antenna interface (ANT4) connected to the first wireless communication module. The outward sending and inward receiving of signals of different components in the positioning device are realized.
Specifically, this positioner based on two ultra wide band modules that this application embodiment provided, in practical application, specific location operation process is:
the first relative distance between the first ultra-wideband module and the positioning tag is obtained through the first ultra-wideband module, the second relative distance between the second ultra-wideband module and the positioning tag is obtained through the second ultra-wideband module, the first micro control unit obtains the relative position between the positioning tag and the positioning device according to the first relative distance, the second relative distance and the position offset between the first ultra-wideband module and the second ultra-wideband module, the position information of the positioning tag is determined by combining the first relative distance or the second relative distance based on the relative position, and the position information is sent to the target terminal through the first wireless communication module. And finally, the target terminal can acquire and monitor the position of the positioning label.
The obtaining of the first relative distance and the second relative distance may be implemented by using a TWR (Two Way Ranging) algorithm principle.
The specific principle of the acquisition of the relative orientation between the positioning tag and the positioning device is that when a first relative distance, a second relative distance and the set position offset are acquired, which is equivalent to the length of a connecting line between three points of an ultra-wideband module in the positioning tag and a first ultra-wideband module and a second ultra-wideband module in the positioning device, the length of the three sides of a triangle formed by the connecting lines of the three points can be known, namely, the angle of an included angle between two sides in any triangle can be acquired based on the length of the three sides, and when the angle of an included angle with the first ultra-wideband module or the second ultra-wideband module in the positioning device as a vertex is acquired, the relative orientation of the positioning tag relative to the positioning device can be known.
Referring to fig. 2, in the figure, a point AntennaA can be regarded as a setting position of a first ultra-wideband module in a positioning device, a point AntennaB can be regarded as a setting position of a second ultra-wideband module in the positioning device, and a point AntennaC can be regarded as a setting position of an ultra-wideband module in a positioning tag; d is the set position offset between the first ultra-wideband module and the second ultra-wideband module; r is a first relative distance between the first ultra-wideband module and the positioning tag, r-p is a second relative distance between the second ultra-wideband module and the positioning tag, wherein p is a distance difference between the first relative distance and the second relative distance converted by a set position offset between the first ultra-wideband module and the second ultra-wideband module, and x and y are respectively indicated by coordinate axes; the relative position of the positioning label relative to the positioning device can be obtained by obtaining the angle of an included angle alpha in the figure, which takes the first ultra-wideband module in the positioning device as the vertex; or the angle of the complementary angle beta can be obtained by obtaining the angle of the included angle 180-beta with the second ultra-wideband module in the positioning device as the vertex in the figure, the relative position of the positioning label relative to the positioning device can be obtained, and the high-precision direction measurement and calculation can be realized.
In summary, in the embodiment of the present application, by providing a first ultra-wideband module for connecting with a target ultra-wideband module in a positioning tag, a second ultra-wideband module for connecting with the target ultra-wideband module and having a set position offset between the first ultra-wideband module, a first wireless communication module for wirelessly connecting with a target terminal, a first micro control unit respectively connected with the first ultra-wideband module, the second ultra-wideband module and the first wireless communication module, and using a dual ultra-wideband module provided in a positioning device, the relative distances between the two ultra-wideband modules and the positioning tag can be respectively measured, so that the relative distance between the positioning tag and the positioning device can be obtained while the relative distance between the positioning tag and the positioning device is obtained, and the detection result is output to the target terminal, the ultra-wideband technology is utilized to improve the comprehensiveness and accuracy of the measurement result and enlarge the measurement sensing range.
The embodiment of the application also provides a positioning system based on double ultra-wideband modules, and referring to fig. 3, the positioning system based on double ultra-wideband modules comprises the positioning device based on double ultra-wideband modules as described above, and a target terminal.
Wherein, this target terminal includes:
the display screen comprises a first display area for displaying the position reference point and a second display area for displaying the position of the positioning label; and a second wireless communication module (BLE) for wirelessly connecting with the positioning device.
The target terminal is specifically a device with a visual display function, and the position of the positioning label is displayed graphically.
The second wireless communication module is used for sending positioning indication information to the positioning device to indicate the positioning device to execute position determination operation on the positioning tag, and acquiring the position information of the positioning tag detected by the positioning device.
The target terminal can be in wireless communication with the positioning device through the wireless communication module of the target terminal, information data interaction is achieved, the position information of the positioning label detected by the positioning terminal can be obtained, and the position information is analyzed and visually displayed. When displaying, the distance and the direction of the positioning label on the map can be directly output in the client of the target terminal, so that the target can be conveniently and quickly locked and searched.
The position reference point displayed in the first display area in the display screen may be a point where the current position of the target terminal is located, a center point of a display interface in the display screen, or the like. After the positioning device sends the position information of the positioning tag to the target terminal through the wireless communication module, the target terminal can analyze and visually display the position information, wherein a second display area in the display screen can be an area except the first display area in the display screen, and the position information of the positioning tag nearby can be displayed in the second display area by bright spots of different colors.
Further, the target terminal further includes: and the positive direction indicator is arranged outside the display screen.
Wherein the positive direction pointer may be a south pointer. The positive direction may be a true north direction or a true south direction. The position information of the positioning tag is displayed on the display screen, and the relative position direction can be indicated by combining with a compass on the target terminal.
Further, the target terminal further includes: and a fourth antenna interface (ANT5) connected to the second wireless communication module. And the information in the target terminal is transmitted outwards and received inwards. Optionally, the second wireless communication module is a bluetooth module.
Further, the positioning system further comprises: the tag is located.
The positioning tag includes: and the target ultra-wideband module (UWB3) is used for being respectively connected with the first ultra-wideband module and the second ultra-wideband module in the positioning device.
The positioning tag further comprises: and the second micro control unit (MCU2) is connected with the target ultra-wideband module.
The positioning tag end comprises a micro control unit and an ultra wide band module, the ultra wide band module is used for measuring the distance between the positioning tag and a first ultra wide band module and a second ultra wide band module in the positioning device, and the micro control unit is used for controlling the operation of the ultra wide band module.
Further, the positioning tag further comprises: and the fifth antenna interface (ANT3) is connected with the target ultra-wideband module. And the interaction between the ultra-wideband signal in the positioning tag and the two ultra-wideband modules in the positioning device is realized.
This positioning system, through the information interaction of positioner side, location label side and target terminal side, the realization utilizes the two ultra wide band modules that set up in positioner, when acquireing the relative distance between location label and positioner, acquires the relative position between obtaining location label and positioner to export the testing result for target terminal and carry out visual display, utilize ultra wide band technique to promote the comprehensiveness and the degree of accuracy of measuring result, enlarge and measure the perception scope.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present application and are intended to be included within the scope of the present application.
Claims (10)
1. The utility model provides a positioner based on two ultra wide band modules which characterized in that includes:
the first ultra-wideband module is used for being connected with a target ultra-wideband module in the positioning label;
the second ultra-wideband module is connected with the target ultra-wideband module, and a set position offset is formed between the second ultra-wideband module and the first ultra-wideband module;
the first wireless communication module is used for being in wireless connection with the target terminal;
and the first micro control unit is respectively connected with the first ultra-wideband module, the second ultra-wideband module and the first wireless communication module.
2. The positioning device of claim 1, further comprising:
the first antenna interface is connected with the first ultra-wideband module;
the second antenna interface is connected with the second ultra-wideband module;
and the third antenna interface is connected with the first wireless communication module.
3. The positioning device as set forth in claim 1, wherein the first wireless communication module is a bluetooth module.
4. A positioning system based on double ultra-wideband modules, characterized in that it comprises a positioning device based on double ultra-wideband modules according to any one of claims 1 to 3, and a target terminal;
the target terminal includes:
the display screen comprises a first display area for displaying the position reference point and a second display area for displaying the position of the positioning label; and a process for the preparation of a coating,
and the second wireless communication module is used for being in wireless connection with the positioning device.
5. The location system of claim 4, wherein the target terminal further comprises:
and the positive direction indicator is arranged outside the display screen.
6. The location system of claim 4, wherein the target terminal further comprises:
and the fourth antenna interface is connected with the second wireless communication module.
7. The positioning system of claim 4, wherein the second wireless communication module is a Bluetooth module.
8. The positioning system of claim 4, further comprising: positioning the label;
the positioning tag includes:
and the target ultra-wideband module is used for being respectively connected with the first ultra-wideband module and the second ultra-wideband module in the positioning device.
9. The locator system of claim 8, wherein the locator tag further comprises:
and the second micro control unit is connected with the target ultra-wideband module.
10. The locator system of claim 8, wherein the locator tag further comprises:
and the fifth antenna interface is connected with the target ultra-wideband module.
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| CN202021412457.0U CN212588521U (en) | 2020-07-16 | 2020-07-16 | Positioning device and positioning system based on double ultra-wideband modules |
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| CN202021412457.0U CN212588521U (en) | 2020-07-16 | 2020-07-16 | Positioning device and positioning system based on double ultra-wideband modules |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7432063B2 (en) | 2021-03-09 | 2024-02-15 | 中興通訊股▲ふん▼有限公司 | Client terminal equipment, location detection method, and computer-readable storage medium |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7432063B2 (en) | 2021-03-09 | 2024-02-15 | 中興通訊股▲ふん▼有限公司 | Client terminal equipment, location detection method, and computer-readable storage medium |
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