CN209225942U - A kind of wireless industrial intelligent warehousing system - Google Patents
A kind of wireless industrial intelligent warehousing system Download PDFInfo
- Publication number
- CN209225942U CN209225942U CN201821780596.1U CN201821780596U CN209225942U CN 209225942 U CN209225942 U CN 209225942U CN 201821780596 U CN201821780596 U CN 201821780596U CN 209225942 U CN209225942 U CN 209225942U
- Authority
- CN
- China
- Prior art keywords
- circuit
- sent
- control processing
- processing circuit
- radio frequency
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Warehouses Or Storage Devices (AREA)
Abstract
The utility model relates to a kind of wireless industrial intelligent warehousing systems, including gateway and electronics cargo tag equipment, and wherein gateway one end connects host computer, and the other end is wirelessly connected electronics cargo tag equipment;The access material instruction that host computer is sent is received, by being wirelessly transmitted to electronics cargo tag equipment;Electronics cargo tag equipment returns material information and electronics cargo tag device status information to gateway, after gateway is parsed, is sent to host computer.The utility model wirelessly can carry out information exchange with storage platform, enable storage personnel positioning materials promptly and accurately and information, the time and energy that reduction personnel expend in this respect, personnel's efficiency is further increased, reduces the operation cost of warehousing management.
Description
Technical field
The utility model relates to industry wireless network and storage fields, specifically a kind of wireless industrial intelligent storage system
System.
Background technique
In storage material management process, the mode of paper record is still taken in the management of material, not adequately by PC
Software combine with the management of material, the transmitting of information is still transmitted using the mode of printing inventory, and in cargo tag
Material quantity changes in a manner of paper label so that storage personnel to the access of material in storage or make an inventory waste a large amount of when
Between, thus when take and power expense.Therefore integrated in the handling of goods and materials of storage storage gateway improve this way to manage or
Method.
Warehousing system is many kinds of at present, and mainstream is the management using PC machine and paper label to warehousing system.It uses
PC machine concentrates the state for showing material information in inventory, and material information is recorded using paper label, does not tie the two sufficiently
Altogether, personnel's management of material in storage is caused not embody integration, so that personnel deposit to material
Take or make an inventory and waste the plenty of time, thus time for needing set of system or equipment to be expended in this respect come the personnel of reducing and
Energy further increases personnel's efficiency, to reduce the operation cost of warehousing management.
Utility model content
In view of the deficiencies of the prior art, the utility model provides a kind of wireless industrial intelligent warehousing system, realizes storage system
PC machine combines in a wireless form with material in system, receives PC machine order by gateway and is sent to electricity in a wireless form
Sub- cargo tag, and electronics cargo tag equipment is received by wireless and is ordered, and the intelligent management to storage material is realized, to reduce
The working strength of personnel, improves work efficiency, and reduces the operation cost of storage.
The utility model technical solution used for the above purpose is:
A kind of wireless industrial intelligent warehousing system, including gateway and electronics cargo tag equipment, wherein gateway one end
Host computer is connected, the other end is wirelessly connected electronics cargo tag equipment;The access material instruction that host computer is sent is received, by wirelessly sending out
It is sent to electronics cargo tag equipment;Electronics cargo tag equipment returns material information and electronics cargo tag device status information to gateway, net
After pass equipment is parsed, it is sent to host computer.
The gateway includes
First wireless transceiver circuit, one end connect antenna, and the other end connects data integrated treatment circuit, for counting first
According to the electric signal of integrated treatment circuit and mutually converting for wireless signal;
First aggregation of data processing circuit, for will access material instruction carry out it is electric to the first wireless receiving and dispatching after data parsing
Road sends data protocol, transfers corresponding material information;The uplink material information of first wireless transceiver circuit is subjected to data format
Network transmission circuit is sent to after conversion;
First com port configuration circuit connects the first comprehensively control processing circuit, for receiving the configuration protocol number of host computer
According to being sent to the first comprehensively control processing circuit, and current configuration protocol number is read to the first comprehensively control processing circuit
According to;
Gateway power supply circuit, one end connect power supply adaptor, and the other end connects the first comprehensively control processing circuit, are gateway
Equipment power supply;
Data storage circuitry connects the first aggregation of data processing circuit, for storing material information and saving equipment ginseng
Number;
Network transmission circuit, one end connect the first aggregation of data processing circuit by network interface connection host computer, the other end, use
In the data that the data of material information are encapsulated as to network protocol format, it is sent to host computer;Receive the access that host computer is sent
Material instruction, is sent to the first comprehensively control processing circuit after parsing.
First wireless transceiver circuit includes:
First rf processor chip is connected to the first radio frequency by the first radio frequency amplifier, the first radio-frequency modulations LC 1
Switch, the first radio frequency processing chip transmit the electrical signal to the first radio frequency amplifier, carry out radio frequency amplification, amplified radio frequency is believed
Number it is sent to the first radio-frequency modulations LC 2, after being filtered, is sent to the first RF switch, the connection of the first RF switch is defeated
Enter/output interface, first antenna is connected by input/output interface, is exported;
Input/output interface one end connects first antenna, and the other end connects the first RF switch, receives the first radio-frequency antenna
Wireless signal, be sent to the first RF switch, the first RF switch is connected to the first radio frequency processing by radio-frequency modulations LC 2
Chip is sent to the first radio frequency processing chip, is converted into telecommunications after being filtered wireless signal by radio-frequency modulations LC 2
Number;
First crystal oscillator connects the first radio frequency processing chip, provides clock signal to the first radio frequency processing chip;
First rf processor chip connects the first comprehensively control processing circuit by UART interface, carries out data interaction.
The electronics cargo tag equipment includes:
Second wireless transceiver circuit, one end connect antenna, receive wireless signal and are converted into electric signal;Other end connection the
Electric signal is sent the second comprehensively control processing circuit by two comprehensively control processing circuits;
Second comprehensively control processing circuit, operation, processing and forwarding for material data;
Second com port configuration circuit connects the second comprehensively control processing circuit, for configuring cargo tag Identity Code, and
It is stored in the second comprehensively control processing circuit;
Electronics cargo tag equipment power supply circuit, one end connect battery pack, and the other end connects the second comprehensively control processing circuit, is
The power supply of electronics cargo tag equipment;
Display screen connects the second comprehensively control processing circuit, for showing material data and equipment state.
Second wireless transceiver circuit includes:
Second rf processor chip is connected to the second radio frequency by the second radio frequency amplifier, the second radio-frequency modulations LC 1
Switch, the second radio frequency processing chip transmit the electrical signal to the second radio frequency amplifier, carry out radio frequency amplification, amplified radio frequency is believed
Number it is sent to the second radio-frequency modulations LC 1, after being filtered, is sent to the second RF switch, the connection of the second RF switch is defeated
Enter/output interface, the second antenna is connected by input/output interface, is exported;
Input/output interface one end connects the second antenna, and the other end connects the second RF switch, receives the second radio-frequency antenna
Wireless signal, be sent to the second RF switch, the second RF switch is connected to the second radio frequency by the second radio-frequency modulations LC 2
Chip is handled, after wireless signal is filtered by the second radio-frequency modulations LC 2, is sent to the second radio frequency processing chip, is turned
Turn to electric signal;
Second crystal oscillator connects the second radio frequency processing chip, provides clock signal to the second radio frequency processing chip;
Second rf processor chip connects the second comprehensively control processing circuit by UART interface, carries out data interaction.
It further include electric quantity acquisition circuit, one end connects battery pack, and the other end connects the first comprehensively control processing circuit, acquisition
The electricity of current battery is sent to the first comprehensively control processing circuit.
Battery protecting plate is set between the battery pack and electric quantity acquisition circuit, battery power supply is protected.
Battery protecting plate is set between the battery pack and power supply circuit, battery power supply is protected.
The material data includes name of material, material in/out library state and stockpile number.
The utility model has the advantages that and advantage:
It realizes that PC machine manages in a wireless form with material in warehousing system, and replaces original mark made of paper in the form of electronic tag
Label, equipment obtain the warehousing management data of PC machine by gateway, and will be sent to after data processing by wireless transceiver
Wireless cargo tag, when the electronics cargo tag for receiving order is lit, storage personnel can be operated its material, to reduce
The time of staff's positioning materials position and time of material information is checked in warehousing management, further decreases the work of personnel
Make intensity, improves work efficiency.
Detailed description of the invention
Fig. 1 is the overall structure figure of the utility model;Wherein 1 is host computer, and 2 be gateway, and 3 set for electronics cargo tag
It is standby;
Fig. 2 is the gateway structure chart of the utility model;
Fig. 3 is the electronics cargo tag equipment structure chart of the utility model;
Fig. 4 is the comprehensively control processing circuit schematic diagram of the utility model;
Fig. 5 is the wireless transceiver circuit schematic diagram of the utility model.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and embodiments.
To make the above-mentioned purpose of the utility model, feature and a little can be more obvious and easy to understand, with reference to the accompanying drawing to this
The specific embodiment of utility model is described in detail.Many details are explained in the following description in order to abundant
Understand the utility model.But the utility model can be implemented in many other ways than those described herein, this field skill
Art personnel can do similar improvement without prejudice to utility model intension, therefore the utility model is not by following public
The limitation of specific implementation.
It should be noted that be referred to as " being set to " another element when element, it may directly on the other element,
Or there may also be elements placed in the middle.When an element is known as " connection " another element, it be can be directly connected to separately
One element may be simultaneously present centering elements.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical.It is intended merely to herein in the term used in the description of utility model
The purpose of specific embodiment is described, it is not intended that in limitation the utility model.
The structures such as the processor and MCU that are related in the utility model are conventional selection, and the utility model is in software
And innovation is had no in programming, only protect the structure technologies feature such as hardware annexation and positional relationship, those skilled in the art
The structure feature that member is recorded by the utility model can be realized the utility model function in conjunction with conventional programming logic, solve this
Utility model technical problem.
It is as shown in Figure 1 the overall structure figure of the utility model.
Wireless industrial intelligent warehousing system, including gateway and electronics cargo tag equipment, wherein gateway one end connects
Host computer, the other end are wirelessly connected electronics cargo tag equipment;The access material instruction that host computer is sent is received, by being wirelessly transmitted to
Electronics cargo tag equipment;Electronics cargo tag equipment returns material information and electronics cargo tag device status information to gateway, and gateway is set
After being parsed, it is sent to host computer.
It is illustrated in figure 2 the gateway structure chart of the utility model.
Gateway, including the first wireless transceiver circuit, network transmission circuit, data storage circuitry, the first aggregation of data
Processing circuit, the first com port configuration circuit, bus and power supply circuit.First wireless transceiver circuit its realize to wireless signal with
Electric signal mutually converts, data exchange channels of the wireless signal as gateway and electronics cargo tag equipment, electric signal
One aggregation of data processing circuit is pushed to the signal of wireless transceiver circuit;Network transmission circuit be used for the forwarding of network data with
And processing, and the first aggregation of data processing circuit is sent to by bus, UART bus, iic bus, SPI can be used in bus
Bus, parallel busses are one of therein;Network transmission circuit can be USR-K2;Data storage circuitry is used to believe storage material
The storage of breath and equipment job information, supports the importing and export of data.
Gateway working principle:
Network transmission circuit is established the link by the network equipment and PC machine when use, and firm position of going forward side by side stores up the friendship of information data
Mutually, to realize that the data of Warehouse Management Platform in PC machine are transmitted to gateway, network transmission circuit passes through bus for information
Pass to the first aggregation of data processing circuit;First aggregation of data processing circuit by received data information classification processing, operation,
Forwarding, storage;First aggregation of data processing circuit will storing data be sent to by bus and be locally stored in circuit that (it need to
The data information data to be stored is stored by fixed coded format into data storage circuitry);It is locally stored in circuit
Data support importing and export function;After the completion of the data processing that first comprehensively control processing circuit issues PC machine, by total
Line is sent to wireless transceiver circuit, sends the data to electronics cargo tag by this circuit, while wireless transceiver circuit is also logical
It crosses bus and the data of wireless receiving is sent to the first aggregation of data control processing circuit, to complete gateway and electronics cargo tag number
Accordingly and order interaction.
It is illustrated in figure 3 the electronics cargo tag equipment structure chart of the utility model.
Electronics cargo tag equipment include: the second wireless transceiver circuit, the second comprehensively control processing circuit, LCD display circuit,
Second com port configuration circuit and battery feed circuit.
Second wireless transceiver circuit realizes mutually converting for wireless signal and electric signal, wireless signal as gateway and
The data exchange channels of electronics cargo tag equipment, realize the data interaction between them, and electric signal is the second comprehensively control processing electricity
Road is pushed to the signal of radio transceiver circuitry;LCD display circuit is for showing material information and equipment state;Battery supplies
Circuit is used to provide electric energy for equipment.
The liquid crystal display that LCD display circuit uses is low-power consumption, the controllable liquid crystal display of backlight, supports English, Chinese, number
Word and character are shown.
Battery feed circuit is essential safe type, including battery pack and battery protecting plate.
Electronics cargo tag equipment working principle are as follows: identity label of the electronic equipment as material is used in warehousing system, and
Information exchange wirelessly can be carried out with storage platform, so that the personnel that store in a warehouse being capable of positioning materials promptly and accurately and to letter
Breath is handled cumbersome.User connects the second com port of equipment configuration circuit by the com port of PC machine when use, configures wireless industrial
Electronics cargo tag equipment identity information;Wireless industrial electronics cargo tag equipment is internally integrated battery feed circuit and contains battery, without making
It is powered with external equipment to it, battery feed circuit provides the energy for each circuit;Wireless industrial electronics cargo tag equipment passes through
Strong magnet is adsorbed on metal shelf, or can also be fixed by hole knockout;Wireless industrial electronics cargo tag equipment passes through wireless
Transceiver circuit receives storage platform and sends stored goods expects pipe reason information, will be wireless under the second wireless transceiver circuit modulation /demodulation
Signal is converted into the electric signal of storage information, passes to the second comprehensively control processing circuit;Second comprehensively control processing circuit will
The storage information received parsed, operation, after processing, is transmitted data in each corresponding circuit by bus;LCD
Display screen circuit by bus receive the second comprehensively control processing circuit transmission display command, to its command process parse with
And the display of information, while lighting the backlight of screen;By lighting for backlight, the location information for personnel positioning Internet of Things of storing in a warehouse, when
When storage personnel complete the operation of corresponding material information, after clicking wireless industrial electronics cargo tag equipment acknowledgement key, the second comprehensive control
Processing information is sent to the second wireless transceiver circuit by confirmation by processing circuit processed;Second wireless transceiver circuit passes through without linear
Processing is completed data and is sent to warehousing management information platform by formula, is again introduced into low-power consumption mode, thus completes a material
Operation.Itself electric energy detection of integration of equipments simultaneously acquires the voltage change of battery feed circuit by A/D, and without linear
Storage platform is issued in formula.
It is illustrated in figure 4 the comprehensively control processing circuit schematic diagram of the utility model;
Comprehensively control processing circuit is made of MCU processor, timer, bus, house dog, peripheral circuit, for storehouse
Store up the encoding and decoding of information and the forwarding of information.
Comprehensively control processing circuit includes MCU processor, and wherein MCU processor passes through two UART interface connections respectively
Com port configuration circuit and radio transceiver circuitry;MCU processor connects display screen by display interface;MCU processor passes through A/
D conversion circuit connects electric quantity acquisition circuit;Crystal oscillator connects MCU processor, provides clock signal for MCU processor;House dog connects
Connect MCU processor.
ARM chip, dsp chip, the single-chip microcontroller that low-power consumption can be used in MCU processor are one of therein, such as MCU processing
Device is STM32L051C8TB.MCU processor supports Low-power-consumptiodormancy dormancy, and the electric power starting of other circuits is adjusted by control mode
Or it closes.
First comprehensively control processing circuit includes MCU processor, and MCU processor is ARM chip, dsp chip, single-chip microcontroller
It is one of.
Second comprehensively control processing circuit includes low-power consumption MCU processor, and low-power consumption MCU processor is low-power consumption
ARM chip, dsp chip, single-chip microcontroller are one of.
It is illustrated in figure 5 the wireless transceiver circuit schematic diagram of the utility model.
Radio transceiver circuitry is by radio frequency processing chip, radio frequency amplifier, RF switch and radio-frequency modulations LC group
At.Radio frequency processing chip is amplified after reconciling the electric signal of storage information by amplifier, is passed after the matched filtering of LC
RF switch is passed, then is sent to antenna, the as conversion of the electric signal of storage information to wireless signal;It otherwise is the reception of radio frequency
The wireless data of storage is converted to electric signal.
Wireless hair device circuit supports that radio frequency protocol is one of therein for LORA, WIA, WIFI, bluetooth, ZigBee.
Claims (9)
1. a kind of wireless industrial intelligent warehousing system, it is characterised in that: including gateway and electronics cargo tag equipment, wherein gateway
Equipment one end connects host computer, and the other end is wirelessly connected electronics cargo tag equipment;The access material instruction that host computer is sent is received, is led to
It crosses and is wirelessly transmitted to electronics cargo tag equipment;Electronics cargo tag equipment returns material information and electronics cargo tag device status information to gateway
Equipment after gateway is parsed, is sent to host computer.
2. wireless industrial intelligent warehousing system according to claim 1, it is characterised in that: the gateway includes
First wireless transceiver circuit, one end connect antenna, and the other end connects the first comprehensively control processing circuit, for comprehensive by first
Close the control electric signal of processing circuit and mutually converting for wireless signal;
First comprehensively control processing circuit is used to access after material instruction carries out data parsing and send out to the first wireless transceiver circuit
Data protocol is sent, corresponding material information is transferred;The uplink material information of first wireless transceiver circuit is subjected to Data Format Transform
After be sent to network transmission circuit;
First com port configuration circuit connects the first comprehensively control processing circuit, and the configuration protocol data for receiving host computer are sent out
It is sent to the first comprehensively control processing circuit, and reads current configuration protocol data to the first comprehensively control processing circuit;
Gateway power supply circuit, one end connect power supply adaptor, and the other end connects the first comprehensively control processing circuit, are gateway
Power supply;
Data storage circuitry connects the first comprehensively control processing circuit, for storing material information and saving device parameter;
Network transmission circuit, one end connect the first comprehensively control processing circuit by network interface connection host computer, the other end, and being used for will
The data of material information are encapsulated as the data of network protocol format, are sent to host computer;Receive the access material that host computer is sent
Instruction, is sent to the first comprehensively control processing circuit after parsing.
3. wireless industrial intelligent warehousing system according to claim 2, it is characterised in that: first wireless transceiver circuit
Include:
First rf processor chip is connected to the first RF switch by the first radio frequency amplifier, the first radio-frequency modulations LC,
First radio frequency processing chip transmits the electrical signal to the first radio frequency amplifier, carries out radio frequency amplification, amplified radiofrequency signal is sent out
It is sent to the first radio-frequency modulations LC, after being filtered, is sent to the first RF switch, the first RF switch connection input/defeated
Outgoing interface connects first antenna by input/output interface, is exported;
Input/output interface one end connects first antenna, and the other end connects the first RF switch, receives the wireless communication of first antenna
Number, it is sent to the first RF switch, the first RF switch is connected to the first radio frequency processing chip by the second radio-frequency modulations LC,
After wireless signal is filtered by the second radio-frequency modulations LC, it is sent to the first radio frequency processing chip, is converted into electric signal;
First crystal oscillator connects the first radio frequency processing chip, provides clock signal to the first radio frequency processing chip;
First radio frequency processing chip connects the first comprehensively control processing circuit by UART interface, carries out data interaction.
4. wireless industrial intelligent warehousing system according to claim 1, it is characterised in that: the electronics cargo tag equipment packet
It includes:
Second wireless transceiver circuit, one end connect antenna, receive wireless signal and are converted into electric signal;Other end connection second is comprehensive
Control processing circuit is closed, sends the second comprehensively control processing circuit for electric signal;
Second comprehensively control processing circuit, operation, processing and forwarding for material data;
Second com port configuration circuit connects the second comprehensively control processing circuit, for configuring cargo tag Identity Code, and saves
In the second comprehensively control processing circuit;
Electronics cargo tag equipment power supply circuit, one end connect battery pack, and the other end connects the second comprehensively control processing circuit, are electronics
The power supply of cargo tag equipment;
Display screen connects the second comprehensively control processing circuit, for showing material data and equipment state.
5. wireless industrial intelligent warehousing system according to claim 4, it is characterised in that: second wireless transceiver circuit
Include:
Second radio frequency processing chip is connected to the second RF switch by the second radio frequency amplifier, third radio-frequency modulations LC, the
Two radio frequency processing chips transmit the electrical signal to the second radio frequency amplifier, carry out radio frequency amplification, amplified radiofrequency signal is sent
To third radio-frequency modulations LC, after being filtered, it is sent to the second RF switch, the second RF switch connects input/output
Interface connects the second antenna by input/output interface, is exported;
Input/output interface one end connects the second antenna, and the other end connects the second RF switch, receives the wireless communication of the second antenna
Number, it is sent to the second RF switch, the second RF switch is connected to the second radio frequency processing chip by the 4th radio-frequency modulations LC,
After wireless signal is filtered by the 4th radio-frequency modulations LC, it is sent to the second radio frequency processing chip, is converted into electric signal;
Second crystal oscillator connects the second radio frequency processing chip, provides clock signal to the second radio frequency processing chip;
Second rf processor chip connects the second comprehensively control processing circuit by UART interface, carries out data interaction.
6. wireless industrial intelligent warehousing system according to claim 4, it is characterised in that: it further include electric quantity acquisition circuit,
One end connects battery pack, and the other end connects the first comprehensively control processing circuit, acquires the electricity of current battery, be sent to first
Comprehensively control processing circuit.
7. wireless industrial intelligent warehousing system according to claim 6, it is characterised in that: the battery pack and electric quantity acquisition
Battery protecting plate is set between circuit, battery power supply is protected.
8. wireless industrial intelligent warehousing system according to claim 4, it is characterised in that: the battery pack and power supply circuit
Between battery protecting plate is set, to battery power supply protect.
9. wireless industrial intelligent warehousing system according to claim 4, it is characterised in that: the material data includes material
Title, material in/out library state and stockpile number.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821780596.1U CN209225942U (en) | 2018-10-31 | 2018-10-31 | A kind of wireless industrial intelligent warehousing system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821780596.1U CN209225942U (en) | 2018-10-31 | 2018-10-31 | A kind of wireless industrial intelligent warehousing system |
Publications (1)
Publication Number | Publication Date |
---|---|
CN209225942U true CN209225942U (en) | 2019-08-09 |
Family
ID=67501423
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201821780596.1U Active CN209225942U (en) | 2018-10-31 | 2018-10-31 | A kind of wireless industrial intelligent warehousing system |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN209225942U (en) |
-
2018
- 2018-10-31 CN CN201821780596.1U patent/CN209225942U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102799838B (en) | RFID random frequency hopping method | |
CN101441709A (en) | Multiple-frequency band RFID intelligent read-write device and control method thereof | |
CN203849740U (en) | Wisdom bag intelligent control system | |
CN209105204U (en) | A kind of wireless industrial intelligent storage gateway | |
CN209225942U (en) | A kind of wireless industrial intelligent warehousing system | |
CN102622810A (en) | Global-function one-card control system | |
CN102136054A (en) | Animal electronic tag reading equipment | |
CN201449630U (en) | Conference sign-in system based on RFID technique | |
CN208954130U (en) | A kind of wireless industrial electronics cargo tag equipment | |
CN206312524U (en) | Intelligent radio supermarket price card | |
CN202257586U (en) | Radio frequency identification card reading device | |
CN202854848U (en) | Bluetooth wireless RFID tag reading apparatus | |
CN103078719B (en) | A kind of RFID reader radio communication systems approach and system | |
CN201936440U (en) | Portable data acquisition terminal | |
CN203287917U (en) | Bluetooth wireless transmission-based ultrahigh frequency reading-writing device | |
CN202602911U (en) | Wireless sensor network node device with passive radio frequency identification devices (RFID) reader-writer function | |
CN201733439U (en) | Wireless communication data transmission equipment based on mobile network | |
CN2422714Y (en) | Electronic price label | |
CN201117010Y (en) | PCI card type read-write equipment module | |
CN201315066Y (en) | Multiband radio frequency identification intelligent reader | |
CN204808369U (en) | Storage management system | |
CN202110554U (en) | RFID communication device based on low frequency triggering | |
CN201821343U (en) | 470M 10mW wireless transceiver | |
CN206629081U (en) | A kind of intelligent domestic gateway main frame | |
CN209674382U (en) | A kind of hand-held read-write |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |