CN219644111U

CN219644111U - Material positioning management label based on energy collection

Info

Publication number: CN219644111U
Application number: CN202321237512.0U
Authority: CN
Inventors: 李冀; 王栋; 从超杰; 刘少军; 肖岩
Original assignee: Zhengzhou Locaris Electronic Technology Co ltd
Current assignee: Zhengzhou Locaris Electronic Technology Co ltd
Priority date: 2023-05-22
Filing date: 2023-05-22
Publication date: 2023-09-05
Anticipated expiration: 2033-05-22

Abstract

The utility model discloses a material positioning management tag based on energy collection, which comprises a shell, a top cover plate, an ink screen, a main board circuit board, a rechargeable battery, a signal transmitting device and an electric energy conversion device. The material positioning management tag based on energy collection utilizes the signal transmitting device to transmit UWB positioning signals to the UWB module of the positioning base station and the receiving antenna under the control of the processor, thereby being convenient for positioning management of materials; the external energy is converted into electric energy by utilizing the electric energy conversion device, and the rechargeable battery is charged, so that the problem of secondary investment of manpower and material resources which are required to be manually charged when a large amount of material positioning management labels are used for a long time is solved; by utilizing the characteristics of the ink screen, only when the display content is modified, the power consumption is reduced by keeping the display picture after power failure, and meanwhile, the loss of the information of the positioned materials can be prevented when the labels fail, thereby being beneficial to the stable performance of the material management work.

Description

Material positioning management label based on energy collection

Technical Field

The utility model relates to a positioning management label, in particular to a material positioning management label based on energy collection.

Background

The positioning system based on UWB generally comprises a positioning base station and a positioning tag, wherein the positioning base station is arranged at a fixed position, the space coordinates of the positioning base station are obtained through measurement, the positioning tag is arranged on a positioned object, a vehicle or a person wearing the positioning tag, a plurality of positioning methods such as TDOA, TOF, PDOA are adopted, in the common TDOA positioning method, a UWB signal is transmitted by the positioning tag, the position coordinates of the positioning tag are calculated through arrival time stamps of the UWB signal after the plurality of positioning base stations receive the UWB signal, and the decimeter positioning accuracy can be achieved. Under the current wave of digitized informatization of various industries, the requirement for acquiring high-precision position information is increasingly enhanced, and the application of UWB positioning is also increasingly wide. With the continuous development of industrialization and informatization in China, the goods and goods containing amount and informatization management requirements of a material warehouse are also continuously increased.

The current UWB positioning label product generally uses a scheme of a replaceable battery or a scheme of a rechargeable battery, the endurance time can reach days to months according to different parameters such as positioning frequency, transmitting power and the like, but the battery is replaced or charged manually finally, and certain maintenance workload exists. In the positioning scenes of material management, container management, tools and instruments, supermarket shopping carts and the like, which have low requirements on positioning instantaneity and are sensitive to management cost, the UWB positioning tags are not worn by personnel, active charging or battery replacement of users cannot be realized, and the number of the UWB positioning tags is large in general, although the average power consumption of the UWB positioning tags in the scenes is low, certain manpower and material resources are consumed when the batteries are replaced or charged once, particularly when the battery power consumption speed of the UWB positioning tags is inconsistent, the UWB positioning tags are required to be maintained frequently by personnel, and the situation that the positioning cannot be realized when the battery power consumption of the tags is not timely occurs once the maintenance is not performed.

Energy harvesting is the process of capturing and converting a variety of energy sources present in the environment, such as light energy, mechanical energy, radio frequency energy, thermal energy, electromagnetic energy, biochemical energy, radiant energy, and the like, into electrical energy. In recent years, it has become an prominent field of research for multidisciplinary fusion. The main energy collection modes commonly used at present are light energy, radio frequency energy, temperature difference energy, vibration energy and the like. In consideration of the actual environment of a material management warehouse site, a radio frequency emission source is added on a positioning base station end to continuously emit energy, a receiving circuit is added on a positioning label to continuously collect the energy of the radio frequency source, meanwhile, a light energy receiving module is added on the positioning label end to receive and convert the indoor illumination light energy so as to realize the energy supplementing of a battery of the material, although the speed of obtaining the electric energy through energy collection is very slow, the requirement of a material positioning scene on positioning frequency is not high, and the material is positioned generally once a day or even once a week, so that the material positioning and counting can be realized, the energy collection is just facilitated to be carried out for a long time, and conditions are created for long-term charging-free use of the material positioning management label based on the energy collection.

Disclosure of Invention

The utility model aims to: the utility model provides a material location management label based on energy collection, convenient to carry out location management to the material, overcome UWB location label and need the manpower and materials secondary input problem of manual charging when using for a large number of long time.

The technical scheme is as follows: the utility model provides an energy collection-based material positioning management tag, which comprises a shell, a top cover plate, an ink screen, a main board circuit board, a rechargeable battery, a signal transmitting device and an electric energy conversion device, wherein the top cover plate is arranged on the shell; the main board circuit board and the rechargeable battery are arranged in the shell; a processor is arranged on the main board circuit board; the signal transmitting device is arranged on the main board circuit board and is electrically connected with the processor and used for transmitting UWB positioning signals to the UWB module of the positioning base station and the receiving antenna; the top of the shell is provided with a mounting groove; the ink screen is arranged on the bottom of the mounting groove and is electrically connected with the processor; the electric energy conversion device is arranged on the shell and is used for charging the rechargeable battery; the rechargeable battery supplies power to the processor and the signal transmitting device.

Further, the housing includes an upper housing and a lower housing; the upper shell and the lower shell are mutually fixed; a sealing ring is clamped between the upper shell and the lower shell.

Further, single magnet mounting blind holes are formed in two vertex angles of the lower side face of the lower shell, and double magnet mounting blind holes are formed in the other two vertex angles; the lower shell is provided with a fixing hole.

Further, the signal transmitting device comprises a UWB module and a UWB transmitting antenna; the UWB transmitting antenna is electrically connected with the processor through the UWB module; the rechargeable battery supplies power to the UWB module.

Further, the electric energy conversion device comprises an optical energy conversion unit and a radio frequency rectification unit; the light energy conversion unit comprises a light energy receiving plate; a photoelectric conversion rectifying circuit, a charging path automatic switching circuit and an energy collection power supply management and charging management circuit are arranged on the main board circuit board; the light energy receiving plate is arranged in the mounting groove and is used for receiving light energy of the indoor illumination light source, and the rechargeable battery is charged through the photoelectric conversion rectifying circuit, the charging path automatic switching circuit and the energy collecting power supply management and charging management circuit.

Further, a top cover plate for covering the mounting groove is mounted on the housing; a screen light-transmitting plate corresponding to the ink screen and a light energy conversion light-transmitting plate corresponding to the light energy receiving plate are arranged on the top cover plate.

Further, the radio frequency rectifying unit comprises a radio frequency receiving rectifying antenna; a radio frequency rectifying circuit is arranged on the main board circuit board; the radio frequency receiving rectifying antenna is arranged in the mounting groove and is used for receiving and positioning a radio frequency signal sent by the base station radio frequency transmitting source and the antenna, and the rechargeable battery is charged through the radio frequency rectifying circuit, the charging path automatic switching circuit and the energy collecting power supply management and charging management circuit.

Further, an FPC circuit board is arranged in the shell; a magnetic charging interface is arranged on the shell; an interface magnet is arranged on the magnetic charging interface; a magnetic attraction charging interface circuit board contact is arranged on the FPC circuit board and is electrically connected with the interface magnet through a contact spring pin; a magnetic attraction charging management circuit is arranged on the main board circuit board; the magnetic attraction charging interface circuit board contact is electrically connected with the rechargeable battery through the charging path automatic switching circuit and the magnetic attraction charging management circuit.

Further, an indicator lamp and a buzzer which are electrically connected with the processor are arranged on the FPC circuit board; a plurality of buzzer sounding holes corresponding to the buzzer are arranged on the shell; the upper shell is provided with a buzzer waterproof sound-transmitting film which is used for sealing and covering the sound-producing holes of each buzzer.

Further, a user key electrically connected with the processor is arranged on the FPC circuit board; the main board circuit board is provided with an anti-disassembly detection key electrically connected with the processor; the user key and the anti-disassembly detection key are respectively provided with a user key waterproof cap penetrating through the shell in a movable sealing mode and an anti-disassembly detection key waterproof cap.

Compared with the prior art, the utility model has the beneficial effects that: the signal transmitting device is used for transmitting UWB positioning signals to the UWB module of the positioning base station and the receiving antenna under the control of the processor, so that the positioning management of materials is facilitated; the external energy is converted into electric energy by utilizing the electric energy conversion device, so that the rechargeable battery is charged, and when the charging rate is greater than the power consumption rate, the positioning label can be used for a long time without charging, so that the problem of secondary investment of manpower and material resources, which are required to be manually charged when a large amount of material positioning management labels are used for a long time, is solved; the ink screen is used for displaying information such as the electric quantity and ID of the positioning tag and information such as the name and two-dimensional code of the positioned material, and the ink screen is characterized in that the power is consumed only when the display content is modified, so that the display picture can be reserved after the power is off, the power consumption is reduced, the information of the positioned material is prevented from being lost when the tag fails, and the stable performance of material management is facilitated.

Drawings

FIG. 1 is an exploded view of the present utility model;

FIG. 2 is a schematic diagram of the structure of the present utility model;

FIG. 3 is a perspective view of the present utility model;

FIG. 4 is a partial exploded view of the present utility model;

FIG. 5 is a perspective view of a motherboard circuit board according to the present utility model;

FIG. 6 is a hardware block diagram of the present utility model;

in the figure: 1. a UWB transmitting antenna; 2. a radio frequency receiving rectenna; 3. a light energy receiving plate; 4. a magnetic charging interface; 12. a rechargeable battery; 14. an ink screen; 15. a processor; 16. an indicator light; 17. a buzzer; 18. a user key; 19. tamper detection keys; 23. a buzzer sounding hole; 24. a top cover plate; 25. a light energy conversion light-transmitting plate; 26. a screen light-transmitting plate; 27. a fixing hole; 28. a waterproof cap for a user key; 29. the waterproof cap of the tamper detection key; 30. a single magnet is arranged in the blind hole; 31. a double-magnet mounting blind hole; 36. an upper housing; 37. a waterproof sound-transmitting membrane of the buzzer; 38. an interface magnet; 39. a contact spring pin; 40. magnetic attraction charging interface circuit board contacts; 42. a seal ring; 43. a lower housing; 44. a motherboard circuit board; 45. an FPC circuit board; 46. FPC flat cable; 47. an FPC connector; 48. an ink screen connector; 49. a radio frequency receive rectenna connector; 50. a light energy receiving board connector; 52. a user presses the key hole; 53. and the tamper detection key hole.

Detailed Description

The technical scheme of the present utility model will be described in detail with reference to the accompanying drawings, but the scope of the present utility model is not limited to the embodiments.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the description of the present utility model, it should be understood that the terms "left", "right", "front", "rear", "upper", "lower", "top", "bottom", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Example 1:

as shown in fig. 1 to 6, the material positioning management tag based on energy collection provided by the present utility model includes: a housing, a top cover 24, an ink screen 14, a motherboard circuit board 44, a rechargeable battery 12, a signal emitting device, and an electrical energy conversion device; the main board circuit board 44 and the rechargeable battery 12 are all mounted in the housing; a processor 15, an electric quantity detection circuit, a step-down voltage stabilizing power supply circuit and an ink screen connector 48 are arranged on the main board circuit board 44; the signal transmitting device is mounted on the main board circuit board 44 and is electrically connected with the processor 15, and is used for transmitting UWB positioning signals to the UWB module of the positioning base station and the receiving antenna; the ink screen connector 48 is electrically connected to the processor 15; the top of the shell is provided with a mounting groove; the ink screen 14 is mounted on the bottom of the mounting groove; the flat cable of the ink screen 14 is inserted on the ink screen connector 48 after penetrating through the bottom of the mounting groove; the power conversion device is mounted on the housing for charging the rechargeable battery 12; the rechargeable battery 12 supplies power to the processor 15 and the signal transmitting device through a step-down voltage-stabilizing power supply circuit, and is electrically connected with the processor 15 through an electric quantity detection circuit.

The signal transmitting device is used for transmitting UWB positioning signals to the UWB module of the positioning base station and the receiving antenna under the control of the processor, so that the positioning management of materials is facilitated; the external energy is converted into electric energy by utilizing the electric energy conversion device, so that the rechargeable battery 12 is charged, and when the charging rate is greater than the power consumption rate, the positioning label can be used without charging for a long time, so that the problem of secondary investment of manpower and material resources, which are required to be manually charged when a large amount of material positioning management labels are used for a long time, is solved; the ink screen 14 is utilized to display information such as the electric quantity and ID of the positioning tag and information such as the name and two-dimensional code of the positioned material, and the ink screen 14 is characterized in that power is consumed only when the display content is modified, so that the display picture can be reserved after power is off, the power consumption is reduced, the loss of the information of the positioned material when the tag fails can be prevented, and the stable performance of material management work is facilitated; the step-down voltage-stabilizing power supply circuit adopts the existing step-down voltage-stabilizing power supply circuit module; the electric quantity detection circuit adopts the existing electric quantity detection circuit module.

Further, the housing includes an upper housing 36 and a lower housing 43; the upper case 36 and the lower case 43 are fixed to each other by screws; a seal ring 42 is sandwiched between the upper case 36 and the lower case 43; the mounting groove is provided at the top of the upper housing 36. The upper shell 36 and the lower shell 43 are arranged in a manner convenient for maintenance; sealing is realized by the sealing ring 42 under the extrusion of the upper shell 36 and the lower shell 43, and the waterproof protection function is realized.

Further, single magnet mounting blind holes 30 are formed at two adjacent vertex angles of the lower side face of the lower shell 43, and double magnet mounting blind holes 31 are formed at the other two vertex angles; the lower case 43 is provided with a fixing hole 27, and the fixing hole 27 is a long hole. The fixing holes 27 can be used for mounting and fixing by screws, the binding bands can be used for mounting and fixing under the condition of inconvenient screw driving, meanwhile, the single magnet mounting blind holes 30 and the double magnet mounting blind holes 31 can be used for mounting magnets, the magnetic mounting mode can be adopted on certain magnetically attractable materials, the bottom of the lower shell 43 is flat, and double-sided adhesive tape can be used for mounting.

Further, the signal transmitting device comprises a UWB module and a UWB transmitting antenna 1; the UWB transmitting antenna 1 is electrically connected with the processor 15 through a UWB module; the rechargeable battery 12 supplies power to the UWB module through a step-down voltage regulator circuit.

The UWB module and the UWB transmitting antenna 1 are utilized to meet the transmission condition of the positioning signal, and the positioning system is enabled to acquire the high-precision position and state information through the UWB positioning function, so that the position investigation and the timing automatic checking of materials are facilitated.

Further, the electric energy conversion device comprises an optical energy conversion unit and a radio frequency rectification unit; the light energy conversion unit includes a light energy receiving plate 3; the light energy receiving plate 3 is arranged in the mounting groove and is used for receiving the light energy of the indoor illumination light source; an optical energy receiving board connector 50, a photoelectric conversion rectifying circuit, a charging path automatic switching circuit, and an energy collecting power supply management and charging management circuit are provided on the main board circuit board 44; the light energy receiving board connector 50 is electrically connected with the rechargeable battery 12 through a photoelectric conversion rectifying circuit, a charging path automatic switching circuit, and an energy collecting power supply management and charging management circuit; the flat cable of the light-receiving panel 3 is inserted into the light-receiving panel connector 50 through the bottom of the mounting groove.

After receiving light rays or natural light rays emitted by an indoor illumination light source by utilizing the light energy receiving board connector 50, the light rays are converted into direct current by a photoelectric conversion rectifying circuit; the photoelectric conversion rectifying circuit adopts the existing photoelectric conversion rectifying circuit module; the charging path automatic switching circuit adopts the existing charging path automatic switching circuit module; the energy harvesting power management and charging management circuit employs existing energy harvesting power management and charging management circuit modules.

Further, a top cover plate 24 for covering the mounting groove is mounted on the housing; a screen light-transmitting plate 26 and a light energy conversion light-transmitting plate 25 are provided on the top cover plate 24; the screen light-transmitting plate 26 corresponds to the ink screen 14 in position; the light energy conversion light transmitting plate 25 corresponds in position to the light energy receiving plate 3. The information of the ink screen 14 is conveniently read by using the screen light-transmitting plate 26; the light energy receiving plate 3 is facilitated to receive the light energy of the indoor illumination light source by the light energy conversion light transmitting plate 25.

Further, the radio frequency rectifying unit comprises a radio frequency receiving rectifying antenna 2; the radio frequency receiving rectifying antenna 2 is arranged in the mounting groove and is used for receiving and positioning a radio frequency signal sent by the base station radio frequency emission source and the antenna; a radio frequency receiving rectifying antenna connector 49 and a radio frequency rectifying circuit are provided on the main board circuit board 44; the rf receiving rectifying antenna connector 49 is electrically connected to the rechargeable battery 12 through an rf rectifying circuit, a charging path automatic switching circuit, and an energy collecting power supply management and charging management circuit; the flat cable of the radio frequency receiving rectifying antenna 2 is inserted into the radio frequency receiving rectifying antenna connector 49 after penetrating through the bottom of the installation groove.

The radio frequency receiving rectifying antenna 2 is used for receiving and positioning a wireless radio frequency signal sent by a base station transmitting source and an antenna, and then transmitting the wireless radio frequency signal to a radio frequency rectifying circuit for processing and converting the wireless radio frequency signal into direct current; the radio frequency rectifying circuit adopts the existing radio frequency rectifying circuit module.

Further, an FPC board 45 is provided in the housing; an FPC connector 47 electrically connected to the processor 15 is provided on the main board circuit board 44; the FPC bus 46 of the FPC board 45 is electrically conductive to be inserted on the FPC connector 47; a magnetic charging interface 4 is arranged on the upper shell 36; an interface magnet 38 is arranged on the magnetic charging interface 4; a magnetic attraction charging interface circuit board contact 40 is arranged on the FPC circuit board 45, and the magnetic attraction charging interface circuit board contact 40 is electrically connected with the interface magnet 38 through a contact spring pin 39; a magnetic attraction charging management circuit is provided on the main board circuit board 44; the magnetically attractive charging interface circuit board contact 40 is electrically connected to the rechargeable battery 12 through a charging path automatic switching circuit and a magnetically attractive charging management circuit.

When the magnetic charging interface 4 is not charged by a wire, the charging path automatic switching circuit connected with the radio frequency rectifying unit and the light energy conversion unit conducts the two direct currents to the energy collection power supply management and charging management circuit, and the energy collection power supply management and charging management circuit stacks and boosts the two direct currents and then carries out micro-current charging on the rechargeable battery 12; when the magnetic charging interface 4 is charged by a wire, the charging path automatic switching circuit disconnects the radio frequency rectifying circuit and the photoelectric conversion rectifying circuit to the energy collection power management and charging management circuit, and only the magnetic charging interface 4 is conducted to the magnetic charging management circuit to charge the rechargeable battery 12 conventionally; the magnetic attraction charging management circuit adopts the existing magnetic attraction charging management circuit module.

Further, an indicator lamp 16 and a buzzer 17 electrically connected to the processor 15 are provided on the FPC board 45; a plurality of buzzer sounding holes 23 are arranged on the upper shell 36, and the buzzer sounding holes 23 correspond to the buzzer 17 in position; a buzzer waterproof sound-transmitting film 37 is provided on the inner wall of the upper case 36 to seal and cover the respective buzzer sound-emitting holes 23.

The indicator lamp 16 is a red, green and yellow indicator lamp, the green light blinks for 3 times after the material positioning management label is successfully started, the yellow lamp blinks slowly when a fault occurs, and the buzzer 17 emits intermittent dripping sounds; when the magnetic charging interface 4 is used for charging, the red light is always on, and the green light is always on after full charging; the processor detects that the red light flashes slowly when the electric quantity of the rechargeable battery 12 is low to remind; the material positioning management tag works normally, and when no external charging wire is used for charging, the indicator lamp 16 is turned off, and the buzzer 17 does not sound, so that the user is reminded of the product state in time, and the material management work is ensured to be carried out smoothly; the waterproof protection is further achieved by the buzzer waterproof sound-transmitting membrane 37.

Further, a user key 18 electrically connected to the processor 15 is mounted on the FPC board 45, and a user key hole 52 is provided at a corresponding position of the upper housing 36; mounted on the user key 18 is a movable, sealed, user key waterproof cap 28 extending through the user key aperture 52; the main board circuit board 44 is provided with a tamper detection key 19 electrically connected with the processor 15, and a tamper detection key hole 53 is arranged at a corresponding position of the lower housing 43; a tamper detection key waterproof cap 29 penetrating the tamper detection key hole 53 in a movable sealing manner is mounted on the tamper detection key 19.

The user key 18 can manually transmit a UWB positioning signal once in short time for rapidly updating the position of the positioned material and uploading the state of the positioning label in deployment, can enter a configuration mode in long time, and configures UWB parameters, positioning time interval, ink screen display information and other contents of the positioning label through a special configuration tool; the anti-disassembly detection key 19 is in a pressing state after the material positioning management tag is mounted on the positioned material, when the material positioning management tag is not authorized to be taken down from the positioned material, the anti-disassembly detection key 19 is sprung up, anti-disassembly alarm can be triggered, the buzzer 17 alarms at the moment, alarm information is additionally sent in the UWB positioning signal, so that the material positioning management tag has an anti-disassembly detection function, and the anti-disassembly detection device has a help effect on the management of valuable materials and sensitive materials.

In the material positioning management tag based on energy collection, the processor adopts the STM32L431 type processor, the power consumption is only 280nA under the low power consumption mode that the processor is kept by the RTC, and the processor can enter the low power consumption mode to sleep between two UWB positioning signal transmission, so that the electric quantity consumption is reduced; the indicator light 16 is an existing three-color indicator light; the buzzer 17 adopts the existing buzzer; the ink screen 14 is an existing ink screen; the UWB module adopts the existing UWB module; the light energy receiving plate 3 adopts the existing light energy receiving plate; the rf receiving rectenna 2 is an existing rf receiving rectenna.

The material positioning management label based on energy collection provided by the utility model is installed and used:

the processor 15 starts working after the step-down stabilized power supply circuit provides normal working voltage, the UWB module is connected to the processor 15, the ink screen 14 is controlled by the processor 15, the ink screen 14 is connected to the processor 15, the ink screen is controlled by the processor 15, the indicator lamp 16 is connected to the processor 15, the buzzer 17 is controlled by the processor 15, the buzzer 17 is connected to the processor 15, the ink screen 14 and the UWB module are controlled by the processor 15 to initialize, the indicator lamp 16 is controlled to flash for three times when the initialization is successful, the indicator lamp 16 is controlled to flash when the initialization fails, and the buzzer 17 is controlled to emit dripping sounds at the same time, so that workers are reminded of timely processing;

when the initialization is successful, the normal working process is entered, the rechargeable battery 12 is connected to an electric quantity detection circuit, the electric quantity detection circuit is connected to the processor 15, the processor 15 detects the electric quantity of the rechargeable battery 12 through the circuit detection circuit, when the electric quantity of the battery is lower than a normal working threshold, the processor 15 controls the indicator lamp 16 to flash slowly, and simultaneously controls the UWB module to work no longer; when the battery power is higher than the normal working threshold, the processor 15 controls the UWB module to transmit a UWB positioning signal once, when the program runs for the first time, the processor 15 controls the ink screen 14 to refresh and display information such as the battery power, the material positioning management tag ID, the material name, the two-dimension code and the like once, then the ink screen enters a low power consumption mode, meanwhile, the internal timer of the processor 15 starts to count time, the low power consumption mode is exited after the count time is up, the electric quantity detection and the UWB positioning signal transmission flow are re-executed, but the ink screen 14 does not work any more, and the information displayed by the ink screen 14 can be refreshed only when the configuration mode is entered;

the user key 18 is connected to the processor 15, the processor 15 judges the state of the user key, and when the user key acts, the processor 15 can be awakened to exit the low-power-consumption mode to respond to the key; when the time for pressing and releasing the user key 18 is less than 3 seconds, the user key 18 is identified as a short pressing action, a UWB positioning signal can be manually transmitted once in a short pressing time for rapidly updating the position of the positioned material and uploading the state of the material positioning management label in deployment, when the time for pressing and releasing the user key 18 is more than or equal to 3 seconds, the user key 18 is identified as a long pressing action, the user key can enter a configuration mode in a long pressing time, and a special configuration tool is used for carrying out wireless configuration on UWB parameters, positioning time intervals, information display and other contents of the material positioning management label through a preset UWB frequency band;

the tamper detection key 19 is connected to the processor 15, and the processor 15 judges the state of the tamper detection key, and when the tamper detection key acts, the processor 15 can be awakened to exit the low-power-consumption mode to respond to the key; when the tamper detection key 19 is pressed, the tamper detection key 19 is identified as being in an installed state, when the tamper detection key 19 is sprung, the tamper detection key 19 is identified as being in an uninstalled state, when the tamper detection key 19 is changed from uninstalled to installed or from installed to uninstalled, the UWB positioning signal emission is triggered once, and the uninstalled and installed states are both sent by being attached to the UWB positioning signal; in the case where the state of the tamper detection key 19 is not changed, the installation state will be issued the next time the UWB positioning signal is transmitted at regular time.

As described above, although the present utility model has been shown and described with reference to certain preferred embodiments, it is not to be construed as limiting the utility model itself. Various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. Material location management label based on energy collection, its characterized in that: the device comprises a shell, a top cover plate (24), an ink screen (14), a main board circuit board (44), a rechargeable battery (12), a signal transmitting device and an electric energy conversion device; the main board circuit board (44) and the rechargeable battery (12) are all arranged in the shell; a processor (15) is arranged on the main board circuit board (44); the signal transmitting device is arranged on the main board circuit board (44) and is electrically connected with the processor (15) and is used for transmitting UWB positioning signals to the UWB module of the positioning base station and the receiving antenna; the top of the shell is provided with a mounting groove; the ink screen (14) is arranged on the bottom of the mounting groove and is electrically connected with the processor; the electric energy conversion device is arranged on the shell and is used for charging the rechargeable battery (12); the rechargeable battery (12) supplies power to the processor (15) and the signal emitting device.

2. The energy harvesting-based asset location management tag of claim 1, wherein: the housing comprises an upper housing (36) and a lower housing (43); the upper shell (36) and the lower shell (43) are mutually fixed; a seal ring (42) is clamped between the upper shell (36) and the lower shell (43).

3. The energy harvesting-based asset location management tag of claim 2, wherein: a single magnet mounting blind hole (30) is arranged at two vertex angles of the lower side surface of the lower shell (43), and a double magnet mounting blind hole (31) is arranged at the other two vertex angles; a fixing hole (27) is provided in the lower case (43).

4. The energy harvesting-based asset location management tag of claim 1, wherein: the signal transmitting device comprises a UWB module and a UWB transmitting antenna (1); the UWB transmitting antenna (1) is electrically connected with the processor (15) through a UWB module; a rechargeable battery (12) provides power to the UWB module.

5. The energy harvesting-based asset location management tag of claim 1, wherein: the electric energy conversion device comprises an optical energy conversion unit and a radio frequency rectification unit; the light energy conversion unit comprises a light energy receiving plate (3); a photoelectric conversion rectifying circuit, a charging path automatic switching circuit and an energy collection power supply management and charging management circuit are arranged on a main board circuit board (44); the light energy receiving plate (3) is arranged in the mounting groove and is used for receiving light energy of the indoor illumination light source and charging the rechargeable battery (12) through the photoelectric conversion rectifying circuit, the charging path automatic switching circuit and the energy collecting power supply management and charging management circuit.

6. The energy harvesting-based asset location management tag of claim 5, wherein: a top cover plate (24) for covering the mounting groove is mounted on the outer shell; a screen light-transmitting plate (26) corresponding to the position of the ink screen (14) and a light energy conversion light-transmitting plate (25) corresponding to the position of the light energy receiving plate (3) are arranged on the top cover plate (24).

7. The energy harvesting-based asset location management tag of claim 5, wherein: the radio frequency rectifying unit comprises a radio frequency receiving rectifying antenna (2); a radio frequency rectifying circuit is arranged on the main board circuit board (44); the radio frequency receiving rectifying antenna (2) is arranged in the mounting groove and is used for receiving and positioning a radio frequency signal sent by the radio frequency transmitting source and the antenna of the base station, and the rechargeable battery (12) is charged through the radio frequency rectifying circuit, the charging path automatic switching circuit and the energy collecting power supply management and charging management circuit.

8. The energy harvesting-based asset location management tag of claim 5, wherein: an FPC board (45) is arranged in the shell; a magnetic charging interface (4) is arranged on the shell; an interface magnet (38) is arranged on the magnetic charging interface (4); a magnetic charging interface circuit board contact (40) is arranged on the FPC circuit board (45), and the magnetic charging interface circuit board contact (40) is electrically connected with the interface magnet (38) through a contact spring pin (39); a magnetic attraction charging management circuit is arranged on the main board circuit board (44); the magnetic charging interface circuit board contact (40) is electrically connected with the rechargeable battery (12) through the automatic charging path switching circuit and the magnetic charging management circuit.

9. The energy harvesting-based asset location management tag of claim 8, wherein: an indicator lamp (16) and a buzzer (17) which are electrically connected with the processor (15) are arranged on the FPC circuit board (45); a plurality of buzzer sounding holes (23) corresponding to the positions of the buzzers (17) are arranged on the shell; a buzzer waterproof sound-transmitting film (37) which is used for sealing and covering the sounding holes (23) of each buzzer is arranged on the upper shell (36).

10. The energy harvesting-based asset location management tag of claim 8, wherein: a user key (18) electrically connected with the processor (15) is arranged on the FPC circuit board (45); a tamper detection key (19) electrically connected with the processor (15) is arranged on the main board circuit board (44); a user key waterproof cap (28) and a tamper detection key waterproof cap (29) which are movable and sealed and penetrate through the shell are respectively arranged on the user key (18) and the tamper detection key (19).