CN218888538U - User information transmission device - Google Patents
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- CN218888538U CN218888538U CN202223530043.XU CN202223530043U CN218888538U CN 218888538 U CN218888538 U CN 218888538U CN 202223530043 U CN202223530043 U CN 202223530043U CN 218888538 U CN218888538 U CN 218888538U
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Abstract
The utility model discloses a user information transmission device relates to the communication technology field for reduce user information transmission device's energy consumption. The utility model discloses a user information transmission device, include: CAT1 module, power, communication interface, CAT1 module includes: communication subassembly, control assembly. The power supply and the communication interface are both connected with the CAT1 module, and the communication interface is connected with the power supply. The control component is used for managing a power supply and a communication interface.
Description
Technical Field
The utility model relates to the field of communication technology, especially, relate to a user information transmission device.
Background
Subscriber information transmission devices have become an important infrastructure as an important component in modern communication systems. In some scenarios, the user information transmission apparatus may forward information from the acquisition device (e.g., terminal, server, sensor, etc.) to the management platform.
Currently, when the user information transmission device forwards information from the acquisition device to the management platform, a Micro Controller Unit (MCU) needs to be configured for the user information transmission device. And then, the user information transmission device manages each component in the user information transmission device through the MCU, and forwards the information from the acquisition equipment to the management platform. However, in the above technical solution, the user information transmission device needs to manage each component through the MCU, so that the energy consumption of the user information transmission device is high. Therefore, how to reduce the energy consumption of the user information transmission device becomes a technical problem to be solved urgently.
SUMMERY OF THE UTILITY MODEL
The utility model provides a user information transmission device for reduce user information transmission device's energy consumption.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
in a first aspect, an embodiment of the present invention provides a user information transmission apparatus, including: CAT1 module, power, communication interface, CAT1 module includes: communication subassembly, control assembly. The power supply and the communication interface are both connected with the CAT1 module, and the communication interface is connected with the power supply. The control component is used for managing a power supply and a communication interface.
Optionally, the user information transmission apparatus further includes: and an LED indicator light. The CAT1 module is connected with the LED indicator light, and the power supply is connected with the LED indicator light. The control assembly is also used for controlling the LED indicator light. When the state of the power supply is in an abnormal state, the control assembly controls the LED indicator lamp to display a first color, and when the communication assembly transmits information, the control assembly controls the LED indicator lamp to display a second color.
Optionally, the user information transmission apparatus further includes: an antenna. The CAT1 module is connected with the antenna, and the power supply is connected with the antenna. The communication component is used for transmitting information through the antenna.
Optionally, the user information transmission device further includes: and simulating an alarm key. The CAT1 module is connected with the analog alarm key, and the power supply is connected with the analog alarm key. The simulation alarm key is used for generating simulation alarm information and sending the simulation alarm information to the CAT1 module.
Optionally, the power supply comprises: a capacitor and a power supply detection circuit. The capacitor is used for storing and outputting electric energy. The power supply detection circuit is used for detecting the power supply state of the power supply.
Optionally, the CAT1 module further comprises: hardware watchdog, memory, OTA component.
Optionally, the communication interface includes at least one of: rs232 interface, rs485 interface and a/D interface.
The embodiment of the utility model provides a user information transmission device includes: CAT1 module, power and communication interface. Wherein, power, communication interface all are connected with the CAT1 module, and the CAT1 module includes: and the control component can manage the power supply and the communication interface, and the power supply is connected with the communication interface, so that the CAT1 module can manage the state of the power supply to the communication interface through the control component. The CAT1 module further comprises: the communication component can receive the information through the communication interface, and the communication interface is connected with the CAT1 module, so that the communication interface can send the received information to the CAT1 module, and the CAT1 module can send the information from the communication interface through the communication component. Because the power supply and the communication interface are both connected with the CAT1 module, the control component can monitor the state of the power supply and the state of the communication interface, generate the state information of the power supply and the state information of the communication interface according to the state of the power supply and the state of the communication interface, and the communication component can send the generated state information of the power supply and the generated state information of the communication interface. That is, the user information transmission device can manage components in the user information transmission device through the CAT1 module, and transmit information through the CAT1 module. Therefore, components for executing the control function do not need to be configured for the user information transmission device, the number of the components in the user information transmission device is reduced, and the energy consumption of the user information transmission device is reduced.
Drawings
In order to clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments will be briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a user information transmission device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of another user information transmission apparatus according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of another user information transmission apparatus according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of another user information transmission apparatus according to an embodiment of the present invention;
fig. 5 is a schematic diagram of a communication system according to an embodiment of the present invention.
Reference numerals:
100-user information transmission means; 101-CAT1 module; 102-a power supply; 103-a communication interface; 201-LED indicator light; 301-an antenna; 401-simulate alarm button; 501-building a fire control room; 502-user information transmission means; 503-fire fighting host; 504-fire fighting host; 505-a fire-fighting pool; 506-a water level sensor; 507-monitoring management platform.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
Currently, when the user information transmission device forwards information from the acquisition device to the management platform, the user information transmission device needs to be configured with an MCU. And then, the user information transmission device manages each component in the user information transmission device through the MCU, and forwards the information from the acquisition equipment to the management platform.
However, in the current technical solution, the user information transmission device needs to manage each component through the MCU, so that the energy consumption of the user information transmission device is high.
In order to solve the above problem, an embodiment of the present invention provides a user information transmission device, including: CAT1 module, power and communication interface. Wherein, power, communication interface all are connected with the CAT1 module, and the CAT1 module includes: and the control component can manage the power supply and the communication interface, and the power supply is connected with the communication interface, so that the CAT1 module can manage the power supply state of the power supply to the communication interface through the control component. The CAT1 module further comprises: the communication component can receive the information through the communication interface, and the communication interface is connected with the CAT1 module, so that the communication interface can send the received information to the CAT1 module, and the CAT1 module can send the information from the communication interface through the communication component. Because the power supply and the communication interface are both connected with the CAT1 module, the control component can monitor the state of the power supply and the state of the communication interface, generate the state information of the power supply and the state information of the communication interface according to the state of the power supply and the state of the communication interface, and the communication component can send the generated state information of the power supply and the state information of the communication interface. That is, the user information transmission device can manage components in the user information transmission device through the CAT1 module, and transmit information through the CAT1 module. Therefore, components for executing the control function do not need to be configured for the user information transmission device, the number of the components in the user information transmission device is reduced, and the energy consumption of the user information transmission device is reduced.
The embodiment of the utility model provides a user information transmission device, figure 1 shows a schematic diagram of user information transmission device's structure. As shown in fig. 1, the user information transmission apparatus 100 includes: CAT1 module 101, power supply 102, communication interface 103.
Wherein, power 102, communication interface 103 all are connected with CAT1 module 101, and power 102 is connected with communication interface 103.
Specifically, the CAT1 module 101 may include: and a communication component. Wherein the communication component is used for transmitting information.
In one design, the communication component may be Cat.1bis functionality. The cat.1bis function includes a cat.1bis Power Saving Mode (PSM). That is to say, cat.1bis function can provide low power consumption technique for the CAT1 module, reduces the power consumption of CAT1 module.
Illustratively, the CAT1 module employs goose fly CA218, and the goose fly CA218 supports cat.1bis functionality (i.e., a communication component). The Cat.1bis function comprises a Cat.1bis PSM, so that the average standby power consumption of the CAT1 module can be as low as 2.7 microamperes under deep dormancy.
In one design, a communications component may include: subscriber Identity Module (SIM) card. The SIM card is used for providing the identity of the connection network for the CAT1 module.
The CAT1 module 101 may further include: and a control component. The control assembly is used for managing a power supply and a communication interface.
In one design, the control component may manage the state of the power supply 102 supplying power to the communication interface 103.
Illustratively, the control component may control the power source 102 to provide power to the communication interface 103. Alternatively, the control component may control the power supply 102 not to provide power to the communication interface 103.
In another design, the control component may monitor the state of the power source 102 and the state of the communication interface 103, and generate the state information of the power source and the state information of the communication interface according to the state of the power source 102 and the state of the communication interface 103.
In one design, the control component may be an Open microcontrol Unit (Open MCU). Wherein, the OPEN MCU function can carry out components and parts MCU's function. That is to say, the OPEN MCU function can replace solitary components and parts MCU through carrying out secondary development to the CAT1 module, further reduces user information transmission device's consumption, volume and cost.
The CAT1 module 101 may further include: hardware watchdog, memory, over The Air (OTA) component, transmission Control Protocol/Internet Protocol (TCP/IP), MQTT Protocol stack.
The hardware watchdog is used for detecting the reset end at regular time and generating reset information according to the detection result. The reset information is used for indicating CAT1 module restarting.
The memory may be a FLASH memory. The memory is used for storing built-in TCP/IP and MQTT protocol stacks.
TCP/IP refers to a protocol cluster that enables the transfer of information between multiple different networks.
The MQTT protocol stack is an asynchronous communication message protocol constructed based on a TCP/IP protocol cluster, and is a lightweight publish and subscribe information transmission protocol. The method can be expanded in unreliable network environment and is suitable for the scenes of hardware storage space of equipment or limited network bandwidth.
The OTA component can include: firmware Over The Air (FOTA) component and Software Over The Air (SOTA) component. The OTA component is used to import new functions or new features for the CAT1 module.
The power supply 102 may be a Direct Current (DC) 24 volt power supply, and the power supply 102 may include: and a power supply detection circuit. The power supply detection circuit is used for detecting the power supply state of the power supply.
In one design, the power supply detection circuit may be an optically-isolated power supply detection circuit. The power supply detection circuit may detect whether the power supply voltage of the power supply 102 is abnormal. The control component may combine the state of the power source 102 and the detection results of the power detection circuit to generate alarm information. If the state of the power supply 102 is an abnormal state and the power supply detection circuit detects that the power supply voltage of the power supply 102 is abnormal, first warning information is generated, and the first warning information is used for indicating that the power supply voltage of the power supply in the user information transmission device is abnormal. If the state of the power supply 102 is abnormal and the power supply detection circuit detects that the power supply voltage of the power supply 102 is normal, second warning information is generated, and the first warning information is used for indicating that the power supply in the user information transmission device is damaged.
The power supply 102 may further include: and (4) a capacitor. The capacitor is used for storing and outputting electric energy.
In one design, the capacitor may be a DC3.8 volt/20 farad supercapacitor. The capacitor may supply power for not less than 30 seconds to the user information transmission apparatus 100 when the state of the power source 102 is abnormal, so that the power supply detection circuit may detect the power supply state of the power source, and the control component may generate the alarm information. That is to say, the capacitor can provide electric energy for the user information transmission device when the power supply is abnormal, and the normal operation of the user information transmission device is guaranteed. And moreover, the capacitor can supply power to the user information transmission device by replacing a battery, so that the cost of the user information transmission device is further saved.
The power supply 102 may also include: chip SY8303. The chip SY8303 is a stable chip with wide voltage input, and the chip SY8303 can convert a DC 24-volt power supply into DC3.8 volts and DC3.3 volts.
The communication interface 103 may comprise at least one of: rs232 interface, rs485 interface and a/D interface.
In one design, the communication component is to transmit information from communication interface 103.
In one design, communication interface 103 may include: rs232 interface and Rs485 interface. The Rs232 interface and the Rs485 interface can work simultaneously, an interface chip of the Rs232 interface can be an ST3232ECDR chip, an interface chip of the Rs485 interface can be an SP3485EEN chip, and the ST3232ECDR chip and the SP3485EEN chip have +/-15 kV electrostatic discharge protection functions and are additionally provided with protection circuits. The Rs232 interface and the Rs485 interface can be connected to a host, and the Rs232 interface and the Rs485 interface can receive information from the host and transmit the information from the host to the CAT1 module 101.
It should be noted that the Rs232 interface and the Rs485 interface may be connected to the same host. Alternatively, the Rs232 interface and the Rs485 interface may be connected to different hosts. Wherein, the host computer can be fire control host computer.
In another design, communication interface 103 may include: and an A/D interface. The interface chip of the A/D interface can be a MAX14626 chip, and the MAX14626 chip can control the current of an electric signal received by the A/D interface to be less than or equal to 24 milliamperes. And, the a/D interface may be configured with a resistor, and the resistor may control the voltage of the electrical signal transmitted by the a/D interface to the CAT1 module 101 to be less than or equal to 1.5 volts. The a/D interface may be connected to the sensor, and the a/D interface may receive information from the sensor and transmit the information from the sensor to the CAT1 module 101.
It should be noted that the sensor may be a 2-wire water level sensor with a rated voltage of DC24 v, and the output electrical signal of the sensor is 4-20 ma.
It should be noted that the pin of the CAT1 module 101 connected to the a/D interface only supports the electrical signal with a voltage less than or equal to 1.5 v. That is, the resistor in the a/D interface can control the voltage of the electrical signal transmitted by the a/D interface to the CAT1 module to be less than or equal to 1.5 volts, so that the CAT1 module can receive the electrical signal from the a/D interface.
Above-mentioned embodiment of the utility model provides a user information transmission device brings following beneficial effect at least: the user information transmission apparatus includes: CAT1 module, power and communication interface. Wherein, power, communication interface all are connected with the CAT1 module, and the CAT1 module includes: and the control component can manage the power supply and the communication interface, and the power supply is connected with the communication interface, so that the CAT1 module can manage the state of the power supply to the communication interface through the control component. The CAT1 module further comprises: the communication component can receive the information through the communication interface, and the communication interface is connected with the CAT1 module, so that the communication interface can send the received information to the CAT1 module, and the CAT1 module can send the information from the communication interface through the communication component. Because the power supply and the communication interface are both connected with the CAT1 module, the control component can monitor the state of the power supply and the state of the communication interface, generate the state information of the power supply and the state information of the communication interface according to the state of the power supply and the state of the communication interface, and the communication component can send the generated state information of the power supply and the state information of the communication interface. That is, the user information transmission device can manage components in the user information transmission device through the CAT1 module, and transmit information through the CAT1 module. Therefore, components for executing the control function do not need to be configured for the user information transmission device, the number of the components in the user information transmission device is reduced, and the energy consumption of the user information transmission device is reduced.
In some embodiments, in combination with the user information transmission apparatus 100 shown in fig. 1, as shown in fig. 2, the user information transmission apparatus 100 provided by the present invention may further include: an LED indicator 201.
Wherein, CAT1 module 101 is connected with LED pilot lamp 201, and power 102 is connected with LED pilot lamp 201.
In one design, the control assembly is also used to manage the LED indicator 201. The control component may also manage the status of the power supply 102 supplying power to the LED indicator 201.
In another design, the control assembly is also used to control the LED indicator 201. The control component can manage the color displayed by the LED indicator 201 according to the status of the power source 102 and the status of the communication component. When the state of the power source 102 is an abnormal state, the control component may control the LED indicator 201 to display a first color. When the communication assembly transmits information, the control assembly controls the LED indicator lamp to display a second color.
In one design, the LED indicator 201 may include: and a power indicator lamp. Wherein, the power indicator lamp can be a green LED indicator lamp. When the state of the power source 102 is normal, the control component may control the power indicator to be in a normally on state (i.e., display green). When the state of the power source 102 is an abnormal state, the control component may control the power indicator lamp to be in a flashing state at intervals of 0.5 seconds.
Optionally, the LED indicator 201 may further include: and a signal indicator light. Wherein, the signal indicator lamp can be a yellow LED indicator lamp. When the status of the SIM card in the CAT1 module 101 is abnormal (e.g. the SIM card is not inserted), the control component may control the signal indicator to be in a normally off status. When the status of the SIM card in the CAT1 module 101 is normal and the signal strength is lower than-100 db mw, the control component can control the signal indicator to be in a normally on status (i.e. yellow display). When the status of the SIM card in the CAT1 module 101 is normal and the CAT1 module cannot connect to the network, the control component can control the signal indicator to be in a flashing status at intervals of 1 second. When the status of the SIM card in the CAT1 module 101 is normal and the CAT1 module can be connected to the network, the control component can control the signal indicator to be in a flashing status at intervals of 0.5 seconds.
Optionally, the LED indicator 201 may further include: a data indicator light. Wherein, the data indicator light can be a red LED indicator light. When the communication component in the CAT1 module 101 sends information, the control component may control the data indicator light to be in a normally on state (i.e., display red). When the communication interface 103 receives the information, the control component may control the data indicator light to be in a flashing state. When the communication module in the CAT1 module 101 does not send information and the communication interface 103 does not receive information, the control module may control the data indicator lamp to be in a normally off state.
It should be noted that the time for which the data indicating lamp is kept in the normally on state is based on the information amount of the information transmitted by the communication component. For example, the data indicator light remains on for 0.5 seconds every time the communication component sends a byte. Similarly, the time that the data indicator light remains illuminated is based on the amount of information received by the communication interface 103. For example, the data indicator light remains illuminated for 0.5 seconds for every byte received by the communication interface.
It can be understood that the working state of the user information transmission device can be visually presented through the LED indicating lamp.
In some embodiments, in combination with the user information transmission apparatus shown in fig. 2, as shown in fig. 3, the user information transmission apparatus 100 provided by the present invention may further include: an antenna 301.
The CAT1 module 101 is connected to the antenna 301, and the power supply 102 is connected to the antenna 301.
In one design, the communication component is also used to transmit information through antenna 301. The control component is also used to manage the antenna 301. The control component may also manage the state of the power supply 102 supplying power to the antenna 301.
In one design, antenna 301 may be a small suction cup antenna supporting 700-2700 megahertz, with the length of antenna 301 being greater than or equal to 2 meters.
In one design, when the user information transmission device 100 is installed inside a metal case, the antenna 301 may be attached to the outside of the metal case. That is, the user information transmission device and the antenna may be installed separately, and the antenna may be installed at a position where a signal is good. Therefore, the quality of signals received by the antenna can be improved, and the user information transmission device can be connected with a network.
In some embodiments, in combination with the user information transmission apparatus shown in fig. 3, as shown in fig. 4, the user information transmission apparatus 100 provided by the present invention may further include: an alarm button 401 is simulated.
Wherein, the simulation alarm button 401 is connected with the CAT1 module 101, and the power supply 102 is connected with the simulation alarm button 401.
In one design, the communication component is also used to transmit information from the analog alert button 401. The control component is also used to manage the simulated alert button 401. The control component may also manage the state of the power supply 102 supplying power to the analog alert key 401.
In one design, the analog alarm button 401 may be a self-restoring metal pad button. The simulation alarm button 401 is used for generating simulation alarm information and sending the simulation alarm information to the CAT1 module 101. When the time that the simulation alarm key 401 is pressed exceeds 3 seconds, the simulation alarm key 401 generates simulation alarm information and sends the generated simulation alarm information to the CAT1 module 101.
It can be understood that after the user information transmission device is installed, the connection state of the user information transmission device and the network can be tested by simulating the alarm key, so that the debugging and the verification of the user information transmission device by a worker are facilitated.
In some embodiments, the user information transmission device 101 may process information received by the communication interface 103. After that, the user information transmission apparatus 101 may transmit the processed information.
The following describes a user information transmission device provided by an embodiment of the present invention with reference to specific examples.
Illustratively, as shown in fig. 5, a user information transmission device 502, a fire fighting host 503 and a fire fighting host 504 are deployed in a fire fighting control room 501 of a building, and the fire fighting host 503 is connected with an Rs232 interface of the user information transmission device 502, and the fire fighting host 504 is connected with an Rs485 interface of the user information transmission device 502. A water level sensor 506 is disposed in the fire-fighting water tank 505, and the water level sensor 506 is connected to the a/D interface of the user information transmission device 502. The user information transmission device 502 is wirelessly connected to the monitoring management platform 507 through the CAT1 module. The fire mainframe 503 and the fire mainframe 504 may transmit alarm information to the user information transmitting device 502, and the water level sensor 506 may transmit status information of the water level of the fire pool to the user information transmitting device 502, respectively. The user information transmitting device 502 may transmit alarm information from the fire host 503 and the fire host 504, status information of the water level from the water level sensor 506 to the monitoring management platform 507.
In one design, the user information transmitting device 502 may transmit alarm information from the fire protection host 503 and the fire protection host 504, status information of the water level from the water level sensor 506 to the monitoring management platform 507.
In another design, the user information transmitter 502 may parse the alarm information from the fire host 503 and the fire host 504, and the status information of the water level from the water level sensor 506. Thereafter, the user information transmitting device 502 may transmit the parsed information to the monitoring management platform 507.
In some embodiments, the user information transfer device 101 may be mounted using standard 35 mm rails.
When the standard rail is included in the main body to which the user information transmission device 101 is attached, the user information transmission device may be directly attached to the rail inside the main body. When there is no standard guide rail in the main body in which the user information transmission device 101 is installed, the guide rail may be fixed to a wall, a metal cabinet, or the like by an expansion screw or a strong magnet, and then the user information transmission device 101 is installed on the guide rail.
It will be appreciated that the mounting of the user information transmission device may be increased by using standard 35 mm guide mounting.
In the description herein, particular features, structures, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
The above embodiments are only specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of changes or substitutions within the technical scope of the present invention, and all should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. A user information transmission apparatus, characterized by comprising: CAT1 module, power, communication interface, the CAT1 module includes: a communication component and a control component;
the power supply and the communication interface are both connected with the CAT1 module, and the communication interface is connected with the power supply;
the control component is used for managing the power supply and the communication interface.
2. The apparatus of claim 1, wherein the user information transmission apparatus further comprises: an LED indicator light;
the CAT1 module is connected with the LED indicator light, and the power supply is connected with the LED indicator light;
the control component is also used for controlling the LED indicator light; when the state of the power supply is an abnormal state, the control assembly controls the LED indicator lamp to display a first color, and when the communication assembly transmits information, the control assembly controls the LED indicator lamp to display a second color.
3. The apparatus of claim 2, wherein the user information transmission apparatus further comprises: an antenna;
the CAT1 module is connected with the antenna, and the power supply is connected with the antenna;
the communication component is configured to transmit information via the antenna.
4. The apparatus of claim 3, wherein the user information transmission apparatus further comprises: simulating an alarm key;
the CAT1 module is connected with the analog alarm key, and the power supply is connected with the analog alarm key;
the simulation alarm key is used for generating simulation alarm information and sending the simulation alarm information to the CAT1 module.
5. The apparatus of any of claims 1-4, wherein the power supply comprises: a capacitance and supply detection circuit;
the capacitor is used for storing and outputting electric energy;
the power supply detection circuit is used for detecting the power supply state of the power supply.
6. The apparatus of any of claims 1-4, wherein the CAT1 module further comprises: hardware watchdog, memory, OTA component.
7. The apparatus of any of claims 1-4, wherein the communication interface comprises at least one of: rs232 interface, rs485 interface and a/D interface.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202223530043.XU CN218888538U (en) | 2022-12-28 | 2022-12-28 | User information transmission device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202223530043.XU CN218888538U (en) | 2022-12-28 | 2022-12-28 | User information transmission device |
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| CN218888538U true CN218888538U (en) | 2023-04-18 |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wei Chuncheng Inventor after: Guan Ying Inventor after: Liu Dawei Inventor after: Feng Yutao Inventor after: Yao Yao Inventor after: Wan Chao Inventor after: Wang Shi Inventor after: Wang Shiqian Inventor before: Wei Chuncheng Inventor before: Guan Ying Inventor before: Liu Dawei Inventor before: Yao Yao Inventor before: Wan Chao Inventor before: Wang Shi Inventor before: Wang Shiqian |