CN220629423U - Network camera integrating UWB antenna array single base station positioning function - Google Patents
Network camera integrating UWB antenna array single base station positioning function Download PDFInfo
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Abstract
The utility model discloses a network camera integrating a UWB antenna array single-base station positioning function, which comprises a positioning device and a camera, wherein the positioning device is connected with the camera and forms communication connection, the camera comprises a camera main body, and the camera main body supplies power for the positioning device. By adopting the technical scheme, the video monitoring and positioning device is arranged, video monitoring and positioning are realized through the video main body and the positioning device, power is supplied to the positioning device through the video main body, monitoring and positioning can be realized by using a single device, meanwhile, repeated weak current construction is reduced, and the construction progress is accelerated; the positioning device comprises a gooseneck, and is connected with the camera through the gooseneck, and forms communication connection and exchanges data through a communication line. The gooseneck has the characteristics that the gooseneck can keep the state after bending deformation, and after the orientation of the camera is determined, the orientation of the UWB antenna array of the positioning device can be independently adjusted without mutual influence.
Description
Technical Field
The utility model relates to a network camera, in particular to a network camera integrating a UWB antenna array single-base station positioning function.
Background
With the development of informatization technology and the continuous increase of security demands, network cameras have become indispensable key equipment in the public security field, and with the continuous popularization of PoE (power over Ethernet) (Power Over Ethernet), a network cable is used to simultaneously provide stable network data transmission and a power supply conforming to the PoE standard, so that the installation and the debugging of the network cameras are more flexible and convenient, and the construction is simpler.
Meanwhile, the Ultra Wide Band (UWB) high-precision positioning technology is developed gradually, and particularly in the field of indoor positioning, the technical blank that a satellite positioning system cannot be positioned indoors is filled, so that the Ultra Wide Band (UWB) high-precision positioning technology is favored by more and more industries. The front end of the UWB positioning system mainly comprises a UWB base station and a UWB tag, wherein the UWB base station is generally arranged at a fixed position and used for receiving UWB tag signals, and the UWB tag is generally placed on a positioned target and used for transmitting positioning signals or initiating ranging. The UWB base station is typically deployed by using PoE network cable or a common network cable plus DC power supply.
UWB positioning has a variety of positioning algorithms, such as the ToF (Time of Flight) method can be used for ranging and resolving spatial coordinates, the TDoA (Time Difference of Arrival) method can be used for resolving spatial coordinates, and the PDoA (Phase Difference of Arrival) method can be used for resolving the angle of positioning tags to positioning base stations. At least three base stations are needed for positioning the simple TDoA or the ToF, and the combined mode of the ToF and the ternary array PDoA can position the UWB tag by only one UWB base station provided with the UWB ternary array antenna.
Along with the continuous improvement of the position information demands of security and protection fields on personnel, materials, vehicles and the like, scenes such as intelligent factories, power plants, parks and the like often need to be provided with a network camera monitoring system and a UWB positioning system, and wired networks of the intelligent factories, the power plants, the parks and the like are generally separately provided and independently debugged, so that resource waste is caused to a certain extent.
Chinese patent document (CN 114338973A) discloses a network camera and an intelligent analyzing and positioning method, an acquisition unit, configured to acquire audio data and/or image data of a target scene; the positioning unit is used for acquiring positioning data of the target scene based on the UWB positioning management system; and the intelligent analysis unit is used for analyzing the positioning data, the audio data and/or the image data to obtain an intelligent analysis result. According to the technical scheme, a TDOA, TOF, TOA single antenna is used, only a distance value can be obtained, and the target position can be obtained only by comprehensively calculating the distance values acquired by a plurality of devices; at the same time, at least 3 base stations are needed, and the cost is high.
Therefore, it is necessary to develop a network camera integrating the positioning function of the UWB antenna array single base station, and the single equipment can be used for realizing both monitoring and positioning, reducing weak current repeated construction and accelerating construction progress.
Disclosure of Invention
The utility model aims to solve the technical problem of providing the network camera integrating the positioning function of the UWB antenna array single base station, which can realize monitoring and positioning by using a single device, reduce weak current repeated construction and accelerate construction progress.
In order to solve the technical problems, the technical scheme of the utility model is as follows: the network camera integrating the UWB antenna array single-base station positioning function comprises a positioning device and a camera, wherein the positioning device is connected with the camera and forms communication connection, the camera comprises a camera main body, and the camera main body supplies power for the positioning device.
By adopting the technical scheme, the video monitoring and positioning device is arranged, video monitoring and positioning are realized simultaneously through the video main body and the positioning device, and power is supplied to the positioning device through the video main body, so that monitoring and positioning can be realized by using a single device, meanwhile, repeated construction of weak current is reduced, and the construction progress is accelerated.
Preferably, the positioning device comprises a gooseneck, and the positioning device is connected with the camera through the gooseneck, and forms a communication connection and exchanges data through a communication line. The gooseneck has the characteristics that the gooseneck can keep the state after bending deformation, and the orientation of the UWB antenna array of the positioning device can be independently adjusted after the orientation of the camera is determined, so that the mutual influence is avoided.
Preferably, the positioning device further comprises a UWB upper shell, a positioning module, an antenna board and a UWB antenna housing, wherein the UWB upper shell is connected with the gooseneck, the UWB upper shell is connected with the UWB antenna housing to form an accommodating space, the positioning module and the antenna board are arranged in the accommodating space, and the antenna board is connected with the positioning module.
Preferably, the camera main body comprises a main board, a lamp panel, a camera housing and a microphone, wherein the main board is connected with the lamp panel and arranged in the camera housing, the microphone is arranged on the lamp panel, and a UWB label is further arranged on the camera housing. The microphone is convenient for sound transmission and audio collection. The functions of video shooting and network transmission of the common network camera can be realized, and the functions of spatial position positioning and positioning data network transmission of the UWB tag can be realized.
Preferably, the camera housing comprises a camera front cover, a camera rear cover, a camera middle shell and a camera front shell, wherein the camera front cover is connected with the camera front shell, the camera front shell is connected with the camera middle shell, the camera middle shell is connected with the camera rear cover, the camera rear cover is further provided with a two-in-one wire, the camera front cover is provided with a microphone hole, and a microphone waterproof sound-transmitting film is arranged at the microphone hole. The camera main body shell adopts a mode of separating the front shell from the middle shell, so that the functional modules of the same series of products can be exchanged or the installation structure can be replaced, repeated development is reduced, and the product cost is reduced; the waterproof sound-transmitting membrane is arranged at the microphone hole, so that the IP 66-level dustproof and waterproof effect is realized while the audio collection is not influenced; the two-in-one wire is adopted, wherein the network cable interface can be connected with a PoE network cable or a common network cable, the DC interface can be connected with a DC power supply, so that the power supply and network transmission of the PoE network cable can be realized, and the power supply and network transmission can be realized by using the common universal DC power supply under the condition without a PoE switch, thereby being applicable to more occasions. The PoE single network cable realizes communication and power supply, and only needs network cable construction.
Preferably, the positioning module is connected with a main board of the camera main body, and a positioning module power management circuit, a positioning module processor and a positioning module UWB circuit are arranged on the positioning module, the positioning module power management circuit is respectively connected with the positioning module processor and the positioning module UWB circuit, and the positioning module processor is connected with the positioning module UWB circuit.
Preferably, the antenna board is provided with a UWB antenna array and a UWB antenna array male port, the positioning module is provided with a UWB antenna array female port, the antenna board is connected with the positioning module through the UWB antenna array male port and the UWB antenna array female port, and the UWB antenna array female port and a UWB circuit of the positioning module form bidirectional connection. The positioning module and the antenna board adopt a UWB ternary antenna array ranging and angle measuring mode for measuring the space position of the UWB tag, the positioning module takes electricity from the main board to work, then positioning data transmission is carried out through a communication line in a main board interface of the positioning module and the main board, and finally positioning data is sent to the server through the Ethernet of the main board.
Preferably, the main board comprises a camera, a video processing circuit, a main board processor, an Ethernet circuit, a main board power management circuit and a plurality of interfaces, wherein the camera is connected with the video processing circuit, the video processing circuit is connected with the main board processor, and the main board processor is connected with the main board positioning module interface in a bidirectional manner to form bidirectional data connection. The main board is connected with a PoE network cable or a common network cable plus a DC power line through two-in-one wires, and a main board power management circuit on the main board provides a direct current power supply for the main board, the lamp panel and the positioning module after voltage reduction and stabilization; the camera acquires image information, transmits the image information to the video processing circuit and then to the main board processor, and the main board processor processes the video data according to the configuration information and then transmits the processed video data to the server through the Ethernet circuit and the Ethernet interface; the lamp panel is connected with a lamp panel interface of the main board through the main board interface, the main board provides power supply and infrared light supplementing lamp and white light supplementing lamp control signals for the lamp panel through the interface, and the lamp panel transmits microphone signals to the main board through the interface; the main function of the lamp panel is to realize sound collection, shooting and light supplementing; the positioning module is connected to a main board positioning module interface of the main board through a main board interface of the positioning module, the main board provides power for the positioning module, and meanwhile, the positioning module and the main board realize communication through a serial port circuit in the interface; the positioning module power management circuit performs voltage stabilization after power is taken from a positioning module main board interface, and then supplies power to a positioning module processor and a positioning module UWB circuit for use; the antenna board does not need to be powered, and the UWB antenna array is connected to a UWB antenna array female port of the positioning module through an antenna array male port; the positioning module processor controls the positioning module UWB circuit to transmit and receive UWB signals through the UWB antenna array, the positioning module processor transmits UWB tag information and positioning results to the main board processor through the main board interface of the positioning module after resolving the UWB signals, and the main board processor transmits the positioning results to the server through the Ethernet circuit and the Ethernet interface.
Preferably, the lamp panel is provided with a plurality of light supplementing lamps and a main board interface, the light supplementing lamps are connected with the main board interface of the lamp panel, and the microphone is connected with the main board interface of the lamp panel. The infrared light supplementing lamp and the white light supplementing lamp are arranged on the lamp panel, the infrared light supplementing lamp is suitable for a camera to acquire images at night, and far away from the infrared light supplementing lamp, the infrared light supplementing lamp emits infrared rays to irradiate an object and then reflects the object, and the infrared light supplementing lamp is received by the camera to form a video image; the white light supplementing lamp is suitable for reducing video noise under the weak light environment and improving imaging quality.
Preferably, the camera middle shell is provided with a hoisting installation mechanism and/or a bracket installation mechanism. The arrangement enables the hoisting to be installed by the bracket, the scene adaptability is strong, and meanwhile, the positioning device avoids the hoisting and bracket installation structural members and is not mutually influenced.
Compared with the prior art, the utility model has the following beneficial effects:
(1) The network camera integrating the UWB antenna array single-unit positioning function realizes the video monitoring function and the single-base station UWB positioning function at the same time, and improves the system integration level;
(2) According to the network camera integrating the UWB antenna array single-unit positioning function, the video monitoring function and the UWB positioning function share the same network, so that repeated construction of network cable layout is reduced, the construction cost is reduced, and the construction period is shortened;
(3) The network camera integrating the UWB antenna array single-unit positioning function shares the same network with the UWB positioning function, thereby reducing the consumption of a network switch, reducing the network complexity and reducing the maintenance workload of software at a server side.
(4) The network camera integrating the UWB antenna array single-unit positioning function is characterized in that the positioning device part of the network camera is equivalent to a UWB base station, so that single-base-station UWB space positioning based on ToF and ternary array PDoA can be realized, compared with the traditional ToF or TDoA positioning scheme, the number of UWB positioning base stations is reduced, and the system cost is reduced;
(5) Compared with the traditional ToF or TDoA positioning scheme, the single-station device can realize UWB space positioning of a single base station, so that the number of UWB positioning base stations is greatly reduced, the cost of system equipment and construction cost are reduced, and the complexity of a software system is reduced.
Drawings
FIG. 1 is a schematic diagram of the whole set of a network camera integrating UWB antenna array single-unit positioning function of the utility model;
FIG. 2 is an exploded view of the whole machine of the network camera integrating UWB antenna array single machine group positioning function of the present utility model in FIG. 1;
FIG. 3 is an exploded view of the whole machine of the network camera integrating UWB antenna array single machine group positioning function of the present utility model in FIG. 2;
FIG. 4 is a front view of the motherboard of the network camera of the present utility model integrating UWB antenna array single-unit positioning function;
FIG. 5 is a rear view of the motherboard of the UWB antenna array single-unit positioning function integrated network camera of the present utility model;
FIG. 6 is a front view of a light panel of a network camera integrating UWB antenna array single-unit positioning function of the present utility model;
FIG. 7 is a view of the back of a light panel of a network camera integrating UWB antenna array single-unit positioning function of the present utility model;
FIG. 8 is a circuit block diagram of a network camera integrating UWB antenna array single-unit positioning function of the present utility model;
FIG. 9 is a schematic diagram of the deployment of a webcam of the present utility model incorporating UWB antenna array single-unit positioning functionality;
the device comprises a 1-camera, a 2-video processing circuit, a 3-main board processor circuit, a 4-Ethernet circuit, a 5-Ethernet interface, a 6-DC interface, a 7-main board power management circuit, an 8-main board positioning module interface, a 9-main board lamp panel interface, a 10-main board interface, an 11-microphone, a 12-infrared light supplementing lamp, a 13-white light supplementing lamp, a 14-positioning module main board interface, a 15-positioning module power management circuit, a 16-positioning module processor, a 17-positioning module UWB circuit, an 18-UWB antenna array mother port, a 19-UWB antenna array male port, a 20-UWB antenna array, a 21-lamp panel, a 22-main board, a 23-positioning module, a 24-antenna panel, a 25-camera front shell, a 26-camera middle shell, a 27-hoisting mounting hole, a 28-bracket mounting position, a 29-two-wire, a 30-two-wire network port, a 31-two-wire DC port, a 32-camera front cover, a 33-microphone hole, a 34-neck tube, a 35-two-microphone upper shell, a 36-UWB antenna cover, a 37-UWB antenna cover, and a 40-UWB antenna cover.
Detailed Description
In order to further explain the technical means and effects adopted by the technical scheme, the utility model provides specific implementation, structure, characteristics and effects of the network camera integrating the single-base station positioning function of the UWB antenna array with the following drawings and embodiments, and the specific implementation, structure, characteristics and effects are described in detail.
As shown in fig. 1 to 3, the network camera integrating the positioning function of the UWB antenna array single base station comprises a positioning device and a camera, wherein the positioning device is connected with the camera and forms communication connection, the camera comprises a camera main body, and the camera main body supplies power for the positioning device; the positioning device comprises a gooseneck 34, and the positioning device is connected with the camera through the gooseneck 34, and forms communication connection and exchanges data through a communication line; the positioning device further comprises a UWB upper shell 35, a positioning module 23, an antenna board 24 and a UWB antenna cover 37, wherein the UWB upper shell 35 is connected with the gooseneck 34, the UWB upper shell 35 is connected with the UWB antenna cover 37 to form an accommodating space, the positioning module 23 and the antenna board 24 are arranged in the accommodating space, and the antenna board 24 is connected with the positioning module 23; the camera main body comprises a main board 22, a lamp panel 21, a camera housing and a microphone 11, wherein the main board 22 is connected with the lamp panel 21 and is arranged in the camera housing, the microphone 11 is arranged on the lamp panel 21, and the camera housing is also provided with a UWB label 40; the microphone 11 facilitates sound input and audio collection; the camera housing comprises a camera front cover 32, a camera rear cover 38, a camera middle shell 26 and a camera front shell 25, wherein the camera front cover 32 is connected with the camera front shell 25, the camera front shell 25 is connected with the camera middle shell 26, the camera middle shell 26 is connected with the camera rear cover 38, the camera rear cover 38 is also provided with a two-in-one wire 29, the camera front cover 32 is provided with a microphone hole 33, and a microphone waterproof sound-transmitting film 36 is arranged at the microphone hole 33. The camera main body shell adopts a mode of separating the front shell from the middle shell, so that the functional modules of the same series of products can be exchanged or the installation structure can be replaced, repeated development is reduced, and the product cost is reduced; the microphone waterproof sound-transmitting membrane 36 is arranged at the microphone hole 33, so that the IP 66-level dustproof and waterproof effect is realized while the audio collection is not influenced; a two-in-one wire 29 is adopted, wherein a wire interface can be connected with a PoE wire or a common wire, a DC interface 6 can be connected with a DC power supply, so that PoE wire power supply and network transmission are realized, and power supply and network transmission can be realized by using a common universal DC power supply without a PoE switch, so that the power supply and network transmission system can be suitable for more occasions; the positioning module 23 is connected with the main board 22 of the camera main body, the positioning module 23 is provided with a positioning module power management circuit 15, a positioning module processor 16 and a positioning module UWB circuit 17, the positioning module power management circuit 15 is respectively connected with the positioning module processor 16 and the positioning module UWB circuit 17, and the positioning module processor 16 is connected with the positioning module UWB circuit 17; the antenna board 24 is provided with a UWB antenna array 20 and a UWB antenna array male port 19, the positioning module 23 is provided with a UWB antenna array female port 18, the antenna board 24 is connected with the positioning module 23 through the UWB antenna array male port 19 and the UWB antenna array female port 18, and the UWB antenna array female port 18 and the positioning module UWB circuit 17 form bidirectional connection; the main board 22 comprises a camera 1, a video processing circuit 2, a main board processor, an Ethernet circuit 4, a main board power management circuit 7 and a plurality of interfaces, wherein the camera 1 is connected with the video processing circuit 2, the video processing circuit 2 is connected with the main board processor, and the main board processor is connected with the main board positioning module interface 8 in a bidirectional manner to form bidirectional data connection; the main board 22 is connected with a PoE network cable or a common network cable plus a DC power line through a two-in-one line 29, and the main board power management circuit 7 on the main board 22 provides a direct current power supply for the main board 22, the lamp panel 21 and the positioning module 23 after voltage reduction and stabilization; the camera 1 collects image information and transmits the image information to the video processing circuit 2 and then to the main board processor, and the main board processor processes the video data according to the configuration information and then sends the processed video data to the server through the Ethernet circuit 4 and the Ethernet interface 5; the lamp panel 21 is connected with the lamp panel interface 9 of the main board through the main board interface 10 of the lamp panel, the main board 22 provides power supply for the lamp panel 21 and control signals of the infrared light supplementing lamp 12 and the white light supplementing lamp 13 through the interface, and the lamp panel 21 transmits signals of the microphone 11 to the main board 22 through the interface; the main function of the lamp panel 21 is to realize sound collection, shooting and light supplementing; the positioning module 23 is connected to the main board positioning module interface 8 of the main board 22 through the positioning module main board interface 14, the main board 22 provides power for the positioning module 23, and meanwhile, the positioning module and the main board provide power for the positioning module 23 to realize communication through a serial port circuit in the interface; the positioning module power management circuit 15 performs voltage stabilization after taking power from the positioning module main board interface 14, and then supplies power to the positioning module processor 16 and the positioning module UWB circuit 17 for use; the antenna board 24 is not required to be powered, and the UWB antenna array 20 is connected to the UWB antenna array female port 18 of the positioning module 23 through the UWB antenna array male port 19; the positioning module processor 16 controls the positioning module UWB circuit 17 to transmit and receive UWB signals through the UWB antenna array 20, the positioning module processor 16 transmits UWB tag 40 information and positioning results to the main board processor through the positioning module main board interface 14 after resolving the UWB signals, the main board processor transmits the positioning results to the server through the Ethernet circuit 4 and the Ethernet interface 5, the lamp panel 21 is provided with a plurality of light supplementing lamps and main board 10 interfaces of the lamp panel, the light supplementing lamps are connected with the main board interfaces 10 of the lamp panel, and the microphone 11 is connected with the main board interfaces 10 of the lamp panel. The lamp panel is provided with two groups of light supplementing lamps, namely an infrared light supplementing lamp 12 and a white light supplementing lamp 13, the infrared light supplementing lamp 12 is suitable for a camera to acquire images at night, and far away from the camera, the infrared light supplementing lamp 12 emits infrared rays to irradiate objects and then reflects the objects, and the infrared light supplementing lamps are received by the camera 1 to form video images; the white light supplementing lamp 13 is suitable for reducing video noise under the weak light environment and improving imaging quality; the camera center housing 26 is provided with a hoist mount mounting mechanism and/or a bracket mounting mechanism. The arrangement enables the hoisting to be installed by the bracket, the scene adaptability is strong, and meanwhile, the positioning device avoids the hoisting and bracket installation structural members and is not mutually influenced.
Specifically, the camera body part comprises a main board 22, a lamp panel 21, a camera front shell 25, a camera middle shell 26, a hoisting mounting hole 27, a bracket mounting position 28, a two-in-one line 29, a camera front cover 32, a microphone waterproof sound-transmitting film 36 and a camera rear cover 38; the positioning device part comprises a gooseneck 34, a UWB upper shell 35, a positioning module 23, an antenna board 24 and a UWB antenna cover 37; the main board 22 comprises a camera 1, a video processing circuit 2, a main board processor circuit 3, an Ethernet circuit 4, an Ethernet interface 5, a DC interface 6, a main board power supply management circuit 7, a main board positioning module interface 8 and a main board lamp board interface 9; the lamp panel 21 comprises a main board interface 10, a microphone 11, an infrared light supplementing lamp 12 and a white light supplementing lamp 13 of the lamp panel; the positioning module 23 comprises a positioning module main board interface 14, a positioning module power management circuit 15, a positioning module processor 16, a positioning module UWB circuit 17 and a UWB antenna array mother port 18; the antenna plate 24 includes a UWB antenna array port 19 and a UWB antenna array 20.
As shown in fig. 4 to 7, the main board 22 and the lamp panel 21 are mounted to the camera front case 25; the microphone waterproof sound-transmitting film 36 is adhered to the microphone hole 33 of the camera front cover 32, the camera front cover 32 is arranged at the front end of the camera front shell 25 in a gluing mode and positioned in front of the lamp panel 21, and the camera front cover 32 is a local transparent piece, so that the light rays of the infrared light supplement lamp 12 and the white light supplement lamp 13 of the lamp panel 21 can be transmitted, and the light rays can penetrate into the camera 1 to carry out video acquisition; the camera front housing 25 is connected to the camera middle housing 26; the second wire 29 passes through a second wire hole 39 of the camera rear cover 38 and is then glued and sealed, and then the camera rear cover 38 is mounted on the rear end of the camera middle shell 26 in a gluing way; the gooseneck 34 is connected with the front camera shell 25 and the UWB upper shell 35, and is fixed by means of screws and nuts; the positioning module 23 is connected to the UWB antenna array male port 19 of the antenna board 24 through the UWB antenna array female port 18, the two are fixed in the UWB upper shell 35, and the UWB antenna housing 37 is fixed in the UWB upper shell 35 through gluing.
The two-in-one wire network port 30 is connected with an external PoE network wire or a common network wire, an 8-wire terminal penetrating into the product is connected with the Ethernet interface 5 of the main board 22, the two-in-one wire DC port 31 is connected with an external DC power supply, and a 2-wire terminal penetrating into the product is connected with the DC interface 6 on the main board 22; the lamp panel 21 is connected to the lamp panel interface 9 of the main board 22 through the main board interface 10 of the lamp panel, so that the power supply, the control and the signal receiving of the microphone 11 of the main board 22 to the lamp panel 21 are realized; the positioning module 23 is connected to the main board positioning module interface 8 of the main board 22 through the positioning module main board interface 14, so that the power supply and control of the main board 22 to the positioning module 23 and the data transmission between the two are realized.
As shown in fig. 8 to 9, the network camera with integrated UWB antenna array single unit positioning function supports two power supply and network connection modes, one is a two-in-one network port 30 connected to a two-in-one wire 29 by using a PoE network cable, the port is correspondingly connected to an ethernet interface 5 in the product, the ethernet interface 5 is simultaneously connected with an ethernet circuit 4 and a main board power management circuit 7, the main board power management circuit 7 performs voltage stabilization and depressurization on the PoE power supply and then provides the PoE power supply for other circuits, and the ethernet circuit 4 is controlled by a main board processor circuit 3 to realize the network transmission function; another way is to use a common universal connection to the two-in-one wire net mouth 30 of the two-in-one wire 29, and simultaneously use a DC wire to connect to the two-in-one wire DC mouth 31 of the two-in-one wire 29, the two-in-one wire DC mouth 31 is correspondingly connected to the DC interface 6 in the product, the DC interface 6 is connected to the main board power management circuit 7, and the main board power management circuit 7 is used for stabilizing and reducing the voltage of the DC power supply and then providing the stabilized and reduced voltage for other circuits; when the user connects the PoE power to the two-in-one wire network port 30 and connects the DC power line to the two-in-one wire DC port 31, the main board power management circuit keeps the DC power circuit on and turns off the PoE power circuit, and only the DC power is used to supply power to the system.
When the device is arranged for the first time, the device can be installed through the hoisting installation holes 27 by using hoisting structural members, can also be installed through the bracket installation positions 28 according to the needs, the camera is adjusted to the direction needing video monitoring after being installed and fixed, and then the UWB antenna housing 37 is adjusted to be in a horizontal state through the gooseneck 34, so that the positioning accuracy is not affected.
The software performs self-checking after power-on, and is initialized after the self-checking is successful, and the infrared light supplementing lamp 12 or the white light supplementing lamp 13 is turned on or off according to configuration information; then, starting the camera 1 and the video processing circuit 2, connecting the video processing circuit 2 to the main board processor 3, and packaging the video data according to a video monitoring system protocol after the main board processor 3 acquires the video data and sending the video data to a network through the Ethernet circuit 4 and the Ethernet interface 5; after the positioning module 23 is powered on, the program of the positioning module processor 16 starts to run, the parameter initialization is performed on the positioning module UWB circuit 17, and then the positioning module UWB circuit 17 is controlled to enter a receiving monitoring mode.
When the UWB tag 40 initiates a positioning in the coverage area of the UWB antenna array 20, the UWB signal emitted by the UWB tag 40 is received by the UWB antenna array 20, the positioning module processor 16 controls the positioning module UWB circuit 17 to perform packet returning and sending, the UWB tag 40 receives the packet back and then sends a confirmation packet UWB signal again, the UWB antenna array 20 receives again, the positioning module processor 16 works out the spatial position of the UWB tag 40 by processing the time stamp data of the register of the positioning module UWB circuit 17 during multiple UWB transceiving, then packages the UWB tag 40 information and the positioning result, and finally sends the packaged UWB tag 40 information and the positioning result to the main board processor 3 through a serial port in the positioning module main board interface 14, and then the positioning module processor 16 controls the positioning module UWB circuit 17 to enter a new UWB receiving and monitoring state again, and the main board processor 3 packages the data received by the main board positioning module interface 8 and sends the data to the network through the ethernet circuit 4 and the ethernet interface 5.
When a plurality of UWB tags 40 are within the coverage area of the UWB antenna array 20, the positioning module 23 responds to each tag, and adopts a strategy of first-to-first-response and then-to-last-response, if the time interval between the two UWB tag 40 positioning requests is not enough to be distinguished, only the first-arriving positioning request is responded, that is, the positioning module 23 does not respond to the positioning requests of other UWB tags 40 any more in each positioning process.
The video monitoring function and the positioning function are operated in parallel by two processes operating on the main board processor 3, and the normal operation of the other function is not affected by one function failure.
While the foregoing embodiments have been described in some detail for purposes of clarity of understanding, it will be appreciated that the above description is merely illustrative of the utility model and not limiting, and that any changes, substitutions and modifications may be made without departing from the spirit and principles of the utility model, for example, variations in the positioning of certain modules; are intended to be included within the scope of the present utility model.
Claims (10)
1. The network camera integrating the UWB antenna array single-base station positioning function is characterized by comprising a positioning device and a camera, wherein the positioning device is connected with the camera and forms communication connection, the camera comprises a camera main body, and the camera main body supplies power for the positioning device.
2. The network camera integrated with the UWB antenna array single base station positioning function of claim 1 wherein the positioning device comprises a gooseneck, the positioning device is connected with the camera through the gooseneck, and forms a communication connection and exchanges data through a communication line.
3. The network camera integrating the positioning function of the UWB antenna array single-base station according to claim 2, wherein the positioning device further comprises a UWB upper shell, a positioning module, an antenna board and a UWB antenna housing, the UWB upper shell is connected with the gooseneck, the UWB upper shell is connected with the UWB antenna housing to form an accommodating space, the positioning module and the antenna board are arranged in the accommodating space, and the antenna board is connected with the positioning module.
4. The network camera integrated with the UWB antenna array single base station positioning function according to claim 3, wherein the camera body comprises a main board, a lamp panel, a camera housing and a microphone, the main board is connected with the lamp panel and is arranged in the camera housing, the microphone is arranged on the lamp panel, and a UWB tag is further arranged on the camera housing.
5. The network camera integrated with the UWB antenna array single base station positioning function according to claim 4, wherein the camera housing comprises a camera front cover, a camera rear cover, a camera middle cover and a camera front cover, the camera front cover is connected with the camera middle cover, the camera middle cover is connected with the camera rear cover, a two-in-one line is further provided on the camera rear cover, the camera front cover is provided with a microphone hole, and a microphone waterproof and sound-transmitting film is provided at the microphone hole.
6. The network camera integrated with the UWB antenna array single base station positioning function according to claim 4, wherein the positioning module is connected with a main board of the camera body, the positioning module is provided with a positioning module power management circuit, a positioning module processor and a positioning module UWB circuit, the positioning module power management circuit is connected with the positioning module processor and the positioning module UWB circuit, respectively, and the positioning module processor is connected with the positioning module UWB circuit.
7. The network camera integrated with the UWB antenna array single-base station positioning function according to claim 6, wherein a UWB antenna array and a UWB antenna array male port are arranged on the antenna board, a UWB antenna array female port is arranged on the positioning module, the antenna board is connected with the positioning module through the UWB antenna array male port and the UWB antenna array female port, and the UWB antenna array female port and a UWB circuit of the positioning module form bidirectional connection.
8. The network camera integrated with the UWB antenna array single-base station positioning function according to claim 4, wherein the main board comprises a camera, a video processing circuit, a main board processor, an Ethernet circuit, a main board power management circuit and a plurality of interfaces, the camera is connected with the video processing circuit, the video processing circuit is connected with the main board processor, and the main board processor is connected with the main board positioning module interface in a bidirectional manner to form a bidirectional data connection.
9. The network camera integrated with the UWB antenna array single base station positioning function according to claim 4, wherein the lamp panel is provided with a plurality of light supplementing lamps and a main board interface of the lamp panel, the light supplementing lamps are connected with the main board interface of the lamp panel, and the microphone is connected with the main board interface of the lamp panel.
10. The network camera integrating the positioning function of the UWB antenna array single base station according to claim 5, wherein the middle shell of the camera is provided with a hoisting installation mechanism and/or a bracket installation mechanism.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321796971.2U CN220629423U (en) | 2023-07-10 | 2023-07-10 | Network camera integrating UWB antenna array single base station positioning function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321796971.2U CN220629423U (en) | 2023-07-10 | 2023-07-10 | Network camera integrating UWB antenna array single base station positioning function |
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| CN220629423U true CN220629423U (en) | 2024-03-19 |
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| CN202321796971.2U Active CN220629423U (en) | 2023-07-10 | 2023-07-10 | Network camera integrating UWB antenna array single base station positioning function |
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| Country | Link |
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| CN (1) | CN220629423U (en) |
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