CN207117676U - Data collection station, management system for internet of things and garment hanging system - Google Patents
Data collection station, management system for internet of things and garment hanging system Download PDFInfo
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- CN207117676U CN207117676U CN201720861272.XU CN201720861272U CN207117676U CN 207117676 U CN207117676 U CN 207117676U CN 201720861272 U CN201720861272 U CN 201720861272U CN 207117676 U CN207117676 U CN 207117676U
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Abstract
Disclosure data collection station, management system for internet of things and garment hanging system.The data collection station includes：Including circuit of swiping the card, microprocessor and telecommunication circuit, the telecommunication circuit includes RS485 communication modules；The circuit of swiping the card is used for the smart card information for reading outside, the microprocessor is used to handle the smart card information, and the intelligent card data acquisition terminal is controlled to operate, the RS485 communication modules include level shifting circuit, RS485 interface chips and RS485 bus output circuits, the microprocessor has different supply voltages from the RS485 interface chips, wherein, the side terminal of RS485 buses output circuit one is connected with the RS485 interface chips, another side terminal is connected with outside RS485 buses, the level shifting circuit is connected between the microprocessor and the RS485 interface chips.
Description
Technical field
It the utility model is related to internet of things equipment application field, more particularly to a kind of data collection station.
Background technology
Non-contact Intelligent IC Card is an emerging technology in IC-card field, and it is REID and IC-card technology phase
With reference to product.Due to non-contact IC card have swift to operate, strong interference immunity, operating distance it is remote, it is safe, be easy to
The features such as " one card for multiple uses ", there are wide market prospects in fields such as automatic charging, identification and stored value cards.
A kind of existing typical Contactless IC Card Reader includes microcontroller, read-write chip, antenna-matching circuit, day
Line, communication module, reset circuit, power circuit etc..Microcontroller is whole card reader core, control whole system running.Electricity
Source circuit is powered for whole equipment, and read-write chip, antenna-matching circuit and antenna three form radio-frequency module, by microcontroller control
System is by the data read-out in card, or writes data into card.Telecommunication circuit is responsible for microcontroller and communicated with computer, by letter of swiping the card
Breath sends backstage to or sends backstage instruction to microcontroller.The existing usual function of IC-card card reader is relatively simple.
Utility model content
The application is intended to extend the function of existing IC-card card reader, there is provided a kind of more rich intelligent card data collection of function
Terminal and the system using the terminal.
On the one hand the application provides a kind of data collection station, including circuit of swiping the card, microprocessor and telecommunication circuit, described
Telecommunication circuit includes RS485 communication modules；The circuit of swiping the card is used for the smart card information for reading outside, and the microprocessor is used
Handled in the smart card information, and control the intelligent card data acquisition terminal to operate, the RS485 communication modules
Including level shifting circuit, RS485 interface chips and RS485 bus output circuits, the microprocessor and the RS485 interfaces
Chip has different supply voltages, wherein, the side terminal of RS485 buses output circuit one and the RS485 interface chips
Connection, another side terminal is connected with outside RS485 buses, the level shifting circuit be connected to the microprocessor with it is described
Between RS485 interface chips.
Preferably, the RS485 interface chips have driver input end mouth, driver output end mouth, receiver input
Port and receiver output port, wherein, at least described receiver output port through the level shifting circuit connect with it is described
Microprocessor connects.
Preferably, the RS485 interface chips are half duplex communication mode chip, the driver output end mouth and reception
Device input port is two difference ports of multiplexing.
Preferably, the RS485 buses output circuit includes connecting described two differential ends of RS485 interface chips respectively
Mouthful pull-up resistor and pull down resistor, be connected on the described another of described two difference ports and RS485 bus output circuits respectively
Two protection circuits of resistance and connection another side terminal between one side terminal.
Preferably, the level shifting circuit includes switching tube, the control terminal connection RS485 interface chips of the switching tube
Receiver output port, current input terminal connects the level equal with the power supply of microprocessor, and current output terminal connects
Microprocessor；When the receiver output port of the RS485 interface chips exports high level, the switching tube conducting, its electricity
Flow output end and export the level equal with the power supply of microprocessor to microprocessor.
Preferably, the intelligent card data acquisition terminal also includes power module, the first output voltage is produced and less than institute
The second output voltage of the first output voltage is stated, the RS485 communication modules are powered by first output voltage, micro- place
Reason device and circuit of swiping the card are powered by second output voltage.
On the other hand the application provides a kind of management system for internet of things, including background devices and above-mentioned data acquisition end
End, wherein, the background devices are connected with the RS485 communication modules of the intelligent card data acquisition terminal.
Preferably, the system also includes controller, the intelligent card data acquisition terminal also includes RS232 communication moulds
Block, the controller are connected with the RS232 communication modules of the intelligent card data acquisition terminal.
Preferably, the controller is powered by the first power supply, and generates less than the second source of first power supply, it is described
Intelligent card data acquisition terminal also includes power module, and the power module is powered by the second source.
The application another further aspect provides a kind of garment hanging system, for controlling clothes hanger automatic running, including support, by propping up
Backbone, background devices and walk spaced some work stations, each work station upwards in backbone that frame supports have
Read head, the mechanism that enters the station, controller, hoisting mechanism, outbound mechanism, power-driven system and the collection of above-mentioned intelligent card data are eventually
End, the controller control power-driven system, and via entering the station, mechanism imports clothes hanger into work station, via hoisting mechanism by clothing
Frame lifting exports to backbone to outbound mechanism and via outbound mechanism clothes hanger, and the read head is used for the letter out of the station for perceiving clothes hanger
Cease and be supplied to controller and/or the intelligent card data acquisition terminal, the controller is logical with the data collection station
Believe circuit connection, the background devices are connected with the RS485 communication modules of the data collection station.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme of the utility model embodiment, the utility model embodiment will be retouched below
The required accompanying drawing used is briefly described in stating, it should be apparent that, drawings in the following description are only the utility model
Some embodiments, for those of ordinary skill in the art, without having to pay creative labor, can be with root
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 shows the management system for internet of things of the embodiment of the application one；
Fig. 2 is the circuit block diagram of the intelligent garment hanging system of the embodiment of the application one；
Fig. 3 shows the intelligent card data acquisition terminal of Fig. 2 intelligent garment hanging system；
Fig. 4 is the circuit module figure of the RS485 communication modules of Fig. 3 intelligent card data acquisition terminal；
Fig. 5 is a kind of physical circuit figure of Fig. 4 RS485 communication modules.
Wherein,
10th, management system for internet of things；
12nd, controller；
14th, background devices；
16th, intelligent card data acquisition terminal；
18th, swipe the card circuit；
20th, microprocessor；
22nd, first communication module；
24th, second communication module；
26th, read head；
28th, power-driven system；
30th, power module；
32nd, clock system；
34th, storage circuit；
36th, display screen；
38th, button；
40th, key scanning circuit；
42nd, aerial coil；
44th, state indicator module；
46th, display interface；
50th, level shifting circuit；
52nd, RS485 interface chips；
54th, RS485 buses output circuit.
Embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is the element of same or like function.Below by ginseng
The embodiment for examining accompanying drawing description is exemplary, it is intended to for explaining the utility model, and it is not intended that to the utility model
Limitation.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " suitable
The orientation or position relationship of the instruction such as hour hands ", " counterclockwise " are based on orientation shown in the drawings or position relationship, merely to just
In description the utility model and simplified description, rather than indicate or imply that signified device or element must be with specifically square
Position, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include one or more this feature.In description of the present utility model, " multiple " are meant that two or two
More than, unless otherwise specifically defined.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. term should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood as the case may be
Concrete meaning in the utility model.
In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or it
" under " can directly be contacted including the first and second features, it is not directly to contact but lead to that can also include the first and second features
The other characterisation contact crossed between them.Moreover, fisrt feature second feature " on ", " top " and " above " include the
One feature is directly over second feature and oblique upper, or is merely representative of fisrt feature level height and is higher than second feature.First is special
Sign second feature " under ", " lower section " and " below " including fisrt feature immediately below second feature and obliquely downward, or only
Represent that fisrt feature level height is less than second feature.
The utility model is described in further detail below by embodiment combination accompanying drawing.
Fig. 1 shows the management system for internet of things 10 of the embodiment of the application one, and the system 10 includes background devices 14 and intelligence
Can card data collection station 16.Wherein, the intelligent card data acquisition terminal 16 including circuit 18 of swiping the card, microprocessor 20 and leads to
Believe circuit.Telecommunication circuit includes RS485 communication modules 24.Circuit 18 of swiping the card is used for the smart card information for reading outside, microprocessor
Device 20 is used to handle the smart card information, and controls the intelligent card data acquisition terminal 16 to operate.Background devices
14 can for example be but not limited to computer.Background devices 14 and the RS485 communication modules of the intelligent card data acquisition terminal 16
24 connections.
In a kind of exemplary application, described management system for internet of things 10 is intelligent garment hanging system, Ke Yili
Solution, the application of the management system for internet of things 10 of the application are not limited to this.Refering to Fig. 2, intelligent garment hanging system is used to control
Clothes hanger automatic running, if including support, by support support backbone, background devices 14 and backbone walk upwards it is spaced
Work station, there is each work station read head 26, the mechanism that enters the station, controller 12, hoisting mechanism, outbound mechanism, power to drive
Dynamic system 28 (such as including motor, cylinder, magnetic valve etc.) and intelligent card data acquisition terminal 16.The control of controller 12 is dynamic
Power-driven system 28, via entering the station, mechanism imports clothes hanger into work station, and clothes hanger lifting is arrived into outbound mechanism via hoisting mechanism
And backbone is exported to via outbound mechanism clothes hanger, the read head 26 is used to perceive the information out of the station of clothes hanger and is supplied to described
Controller 12 and/or intelligent card data acquisition terminal 16.The telecommunication circuit of intelligent card data acquisition terminal 16 is also led to including RS232
Believe module 22.The controller 12 is connected with the RS232 communication modules 22 of the intelligent card data acquisition terminal 16, the backstage
Equipment 14 is connected with the RS485 communication modules 24 of the intelligent card data acquisition terminal 16.In the present embodiment, RS232 communication moulds
Block is also referred to as first communication module, and RS485 communication modules are also referred to as second communication module.
Intelligent card data acquisition terminal 16 is the important component of system, radio RF recognition technology can be used, with control
Device 12 processed, read head 26, background devices 14 etc. cooperate.
Refering to Fig. 3, intelligent card data acquisition terminal 16 includes swipe the card circuit 18, microprocessor 20 and telecommunication circuit.Wherein,
Telecommunication circuit includes RS232 communication modules 22 and RS485 communication modules 24.
Circuit 18 of swiping the card is used for the smart card information for reading outside.Preferably, described smart card can be NXP S50
Card, meets ISO14443 standards.Circuit 18 of swiping the card can use the general non-contact Card Reader movements of FM1702 of Microtronic A/S of Fudan University
Piece.
Microprocessor 20 is used to handle the smart card information, and controls the intelligent card data acquisition terminal 16
Running.Preferably, the LPC2132 chips of NXP companies can be selected in microprocessor 20.
RS232 communication modules 22 are responsible for communicating with controller 12, can be configured as receiving from the out of the station of read head 26
Information, the order of background devices 14 is issued to controller 12, checks the various systematic parameters of controller 12 or read head 26, work shape
State etc., ensure the normal work of system.Preferably, RS232 standards closely can be used, chip selects MAX232, connecting line
For 4Pin lines, wherein two cores are data wire, two cores are power line.
RS485 communication modules 24 are responsible for communicating with background devices 14, can be configured as receiving what background devices 14 issued
Various information, and it is included to be communicated to worker on screen, gather the job informations such as the yield of worker and are uploaded to backstage and set
Standby 14, help administrative staff to monitor the condition of production in whole workshop in real time, can also unloading controller 12 and read head 26 program liter
Level file, realizes online upgrading program.
Preferably, intelligent card data acquisition terminal 16 also includes power module 30, the clock system being connected with microprocessor 20
System 32, storage circuit 34, display screen 36, some buttons 38 on keypad, key scanning circuit 40 and circuit 18 of swiping the card
The aerial coil 42 and state indicator module 44 (such as including buzzer, some LED lights etc.) of coupling.
Clock system 32 can for example use PCF8563 clock chips, using plug-in type 32.768KHz crystal oscillators.Memory module
Model W25X32 Flash chip can be used, capacity is 4M bytes, using sector erasing, is mainly used to preserve systematic parameter,
Data record, character library, and ROMPaq etc..
Button 38 can use conductive rubber formula keyboard, altogether 29 buttons 38 on keypad, including 10 numerals/
Letter key, 4 directionkeys, OK keys, 3 Menu key, some function keys.Wherein function key uses button 38 to the multiple functions of system
Method, i.e., define its function by background devices 14, can conveniently change the function of button 38.Aerial coil 42 can be plotted in keypad
On, rectangle is shaped as, size is about 50*50mm, away from circuit 18 of swiping the card apart from about 6cm.
Display screen 36 can for example use 128*64 LCDs, can at most show 4 row Chinese characters (or letter), often row 8
Individual Chinese character or 16 letters.Swipe the card circuit 18, key scanning circuit 42, clock system 32, microprocessor 20, power module 30,
Storage circuit 34, display interface 46, state indicator module 44, first communication module 22 and second communication module 24 can be located at main electricity
On road plate (also referred to as first circuit board).Key scanning circuit 42 and aerial coil 42 can be located at keypad (also referred to as second circuit board)
On.Keypad is connected by arranging pin with main circuit board.LCDs 36 is screwed on plastic casing, using electronics
Seat and winding displacement are connected by display interface 46 with main circuit board.Each module of intelligent card data acquisition terminal 16 can be encapsulated in plastics
In shell.
Power module 30 is configured as producing the first output voltage (such as 5V) and second defeated less than the first output voltage
Go out voltage (such as 3.3V).Preferably, power module 30 includes two power supply chips, first, second output voltage is produced respectively.
Wherein, LM2576 can be selected in 5V power supply chips, and SP1117 can be selected in 3.3V power supply chips.Intelligent card data acquisition terminal 16 and control
Device 12 processed is connected by 4pin lines, and controller 12 can be powered by 220V mains electricity, is 12V DC electricity through adapter decompression.
12V DC electricity is supplied intelligent card data acquisition terminal 16 by controller 12, and 5V direct currents, 5V are reduced to by LM2576 voltage stabilizing chips
Direct current is 3.3V direct currents through SP1117 decompressions.Wherein, first communication module 22, second communication module 24, clock system 32,
Key scanning circuit 42, buzzer can be powered by first output voltage, the microprocessor 20, circuit 18 of swiping the card, storage
Circuit 34, LCDs 36, LED light can be powered by second output voltage.
Include level shifting circuit 50, RS485 interface chips 52 and RS485 with reference to figure 4 and Fig. 5, RS485 communication module 24
Bus output circuit 54.In figure, VDD5 represents 5V supply voltages, and VDD3.3 represents 3.3V supply voltages.Preferably, RS485 connects
Mouth chip selects the MAX487 chips of MAXIM companies.A, B port connection RS485 buses output circuit 54 of MAX487 chips 52
One end, the other end SLAVE A of RS485 buses output circuit 54 connect RS485 buses with SLAVE B.Wherein, A ports are made
For receiver non-inverting input and the noninverting output of driver, B ports are as receiver anti-phase input and driver anti-phase output.
In RS485 buses output circuit 54, resistance R17 is the pull-up resistor of A ports, and resistance R18 is the drop-down electricity of B ports
Resistance, set resistance R17 and R18 to ensure that the current potential of A ports is higher than the current potential of B ports, make port RXD level in RS485
High level is presented in bus during not sending, so, microprocessor 20 will not by mistake be interrupted and receive random character.A, B ports are connected
Resistance R41 and R42 the machine can be avoided to have influence on the communication of whole bus when hardware fault occurs.Diode D6 and electric capacity C3
And diode D7 and electric capacity C4 composition protection circuits, the transient state noise jamming in RS485 buses can be absorbed.Preferably, two
Model P6KE Transient Suppression Diode can be selected in pole pipe D6 and D7.
Driver input end mouth DI/TXD1, driver input enable port DE and the receiver output of MAX487 chips 52
Enable port RE and microprocessor 20 corresponding ports are directly connected to, receiver output port RO/RXD1 and level shifting circuit
50 RXD1 ends connection, when exporting 5V high level at MAX487 RO ends, switchs to 3.3V by 5V output levels, is allowed to and uses
After the microprocessor 20 of 3.3V power supplys matches, then it is connected with the corresponding ports of microprocessor 20 through RXD ends.Level shifting circuit
50 include NPN type triode Q3, the receiver output port RO of triode Q3 base stage connection MAX487 chips 52, and colelctor electrode connects
Connect 3.3V power supplys, the RXD ends that emitter stage connection is connected with microprocessor 20.As the receiver output port RO of MAX487 chips 52
When exporting high level, triode Q3 conductings, the high level at RXD ends to the output of microprocessor 20 3.3V, when MAX487 chips 52
Receiver output port RO output low level when, triode Q3 cut-off, RXD ends to microprocessor 20 export 0V low electricity
It is flat.It is appreciated that in more embodiments, other kinds of switch or the above-mentioned level conversion of circuit realiration can be also used.
The application is extended to the function of existing IC-card card reader, there is provided a kind of function is more rich, intelligence degree more
High intelligent card data acquisition terminal and the system using the terminal.
In the description of this specification, reference term " embodiment ", " some embodiments ", " an implementation
The description of example ", " some embodiments ", " example ", " specific example " or " some examples " etc. means to combine the embodiment or example
Specific features, structure, material or the feature of description are contained at least one embodiment or example of the present utility model.At this
In specification, identical embodiment or example are not necessarily referring to the schematic representation of above-mentioned term.Moreover, description is specific
Feature, structure, material or feature can combine in an appropriate manner in any one or more embodiments or example.
Above content is to combine specific embodiment further detailed description of the utility model, it is impossible to is assert
Specific implementation of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field
For, without departing from the concept of the premise utility, some simple deduction or replace can also be made.
Claims (10)
1. a kind of data collection station (16), including circuit of swiping the card (18), microprocessor (20) and telecommunication circuit, the communication electricity
Road includes RS485 communication modules (24)；The circuit of swiping the card (18) is used for the smart card information for reading outside, the microprocessor
(20) it is used to handle the smart card information, and controls the intelligent card data acquisition terminal (16) to operate, it is described
RS485 communication modules (24) include level shifting circuit (50), RS485 interface chips (52) and RS485 bus output circuits
(54), the microprocessor (20) has different supply voltages from the RS485 interface chips (52), wherein, the RS485
The side terminal of bus output circuit (54) one is connected with the RS485 interface chips (52), another side terminal (SLAVE A, SLAVE
B) it is connected with outside RS485 buses, the level shifting circuit (50) is connected to the microprocessor (20) and connect with the RS485
Between mouth chip (52).
2. terminal as claimed in claim 1, wherein, the RS485 interface chips (52) have driver input end mouth (DI),
Driver output end mouth (A, B), receiver input port (A, B) and receiver output port (RO), wherein, at least described reception
Device output port (RO) is connected through the level shifting circuit (50) and is connected with the microprocessor (20).
3. terminal as claimed in claim 2, wherein, the RS485 interface chips (52) are half duplex communication mode chip, institute
State the two difference ports of driver output end mouth (A, B) and receiver input port (A, B) for multiplexing.
4. terminal as claimed in claim 3, wherein, the RS485 buses output circuit (54) includes connection RS485 respectively and connect
The pull-up resistor and pull down resistor of described two difference ports of mouthful chip (52), be connected on respectively described two difference ports with
Resistance and connection between another side terminal (SLAVE A, SLAVE B) of RS485 buses output circuit (54) is described another
Two protection circuits of one side terminal (SLAVE A, SLAVE B).
5. the terminal as described in any one of Claims 1-4, wherein, the level shifting circuit (50) includes switching tube (Q3),
The receiver output port (RO) of the control terminal connection RS485 interface chips (52) of the switching tube (Q3), current input terminal connect
Connect the level equal with the power supply of microprocessor (20), current output terminal connection microprocessor (20)；When the RS485 connects
During receiver output port (RO) the output high level of mouthful chip (52), switching tube (Q3) conducting, its current output terminal to
Microprocessor (20) the output level equal with the power supply of microprocessor (20).
6. the terminal as described in any one of Claims 1-4, wherein, the intelligent card data acquisition terminal (16) also includes electricity
Source module (30), produce the first output voltage and the second output voltage less than first output voltage, the RS485 communications
Module (24) is powered by first output voltage, and the microprocessor (20) and circuit of swiping the card (18) are by the described second output electricity
Pressure power supply.
7. a kind of management system for internet of things (10), including background devices (14) and at least one data as claimed in claim 1
Acquisition terminal (16), wherein, the RS485 communication modules of the background devices (14) and the intelligent card data acquisition terminal (16)
(24) connect.
8. system as claimed in claim 7, wherein, the system also includes controller (12), the intelligent card data collection
Terminal (16) also includes RS232 communication modules (22), the controller (12) and the intelligent card data acquisition terminal (16)
RS232 communication modules (24) connect.
9. system as claimed in claim 8, wherein, the controller (12) is powered by the first power supply, and generates less than described
The second source of first power supply, the intelligent card data acquisition terminal (16) also include power module (30), the power module
(30) powered by the second source.
10. a kind of garment hanging system, for controlling clothes hanger automatic running, including support, by support support backbone, set from the background
Standby (14) and upward spaced some work stations are walked in backbone, each work station has read head (26), enter the station machine
Structure, controller (12), hoisting mechanism, outbound mechanism, power-driven system (28) and intelligent card data as claimed in claim 1
Acquisition terminal (16), controller (12) the control power-driven system (28), via entering the station, mechanism imports clothing into work station
Frame, clothes hanger is lifted to outbound mechanism via hoisting mechanism and exports to backbone, the read head via outbound mechanism clothes hanger
(26) it is used to perceive the information out of the station of clothes hanger and is supplied to the controller (12) and/or intelligent card data acquisition terminal
(16), the controller (12) is connected with the telecommunication circuit of the data collection station (16), the background devices (14) and institute
State RS485 communication modules (24) connection of data collection station (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720861272.XU CN207117676U (en) | 2017-07-14 | 2017-07-14 | Data collection station, management system for internet of things and garment hanging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720861272.XU CN207117676U (en) | 2017-07-14 | 2017-07-14 | Data collection station, management system for internet of things and garment hanging system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207117676U true CN207117676U (en) | 2018-03-16 |
Family
ID=61584301
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720861272.XU Expired - Fee Related CN207117676U (en) | 2017-07-14 | 2017-07-14 | Data collection station, management system for internet of things and garment hanging system |
Country Status (1)
| Country | Link |
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| CN (1) | CN207117676U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109309610A (en) * | 2018-11-15 | 2019-02-05 | 威胜电气有限公司 | Double terminal telecommunication circuits and its communication means |
| CN110371608A (en) * | 2019-09-02 | 2019-10-25 | 合肥奥瑞数控科技有限公司 | A kind of clothes hanger hangar system information collection and control device |
-
2017
- 2017-07-14 CN CN201720861272.XU patent/CN207117676U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109309610A (en) * | 2018-11-15 | 2019-02-05 | 威胜电气有限公司 | Double terminal telecommunication circuits and its communication means |
| CN109309610B (en) * | 2018-11-15 | 2024-04-12 | 威胜能源技术股份有限公司 | Dual-terminal communication circuit and communication method thereof |
| CN110371608A (en) * | 2019-09-02 | 2019-10-25 | 合肥奥瑞数控科技有限公司 | A kind of clothes hanger hangar system information collection and control device |
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Granted publication date: 20180316 Termination date: 20210714 |