CN208739136U - Communication module - Google Patents
Communication module Download PDFInfo
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- CN208739136U CN208739136U CN201821487484.7U CN201821487484U CN208739136U CN 208739136 U CN208739136 U CN 208739136U CN 201821487484 U CN201821487484 U CN 201821487484U CN 208739136 U CN208739136 U CN 208739136U
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Abstract
The utility model discloses a kind of communication modules, comprising: standard serial bus interface is used for access device；Telecommunication unit is connect for establishing telecommunication with server, is responsible for the data interaction of equipment and server；Micro-control unit, it is separately connected the standard serial bus interface and telecommunication unit, the instruction that instruction morphing forming apparatus for issuing server can be performed, and starting first timer obtains running state data from equipment and communication module in real time, the data that will acquire upload to the server after being packaged into format specified in the communication protocol of telecommunication unit.The utility model can be compatible with various equipment, overcome the communication distance of existing wifi communication module cooperation 4G wireless router scheme and the defect of amount of communications；Further, telecommunication unit allows exploitation to design and test docking is simpler and quick using the mode of connection of standard and the communication protocol of standard；Increase erasable flash, it can be achieved that code remote upgrade.
Description
Technical field
The utility model relates to the communications field more particularly to a kind of communication modules.
Background technique
At present in the communication plan between equipment and the external world, commonplace scheme be have in a region 4G without
Line router is equipped with wifi communication module above each machinery equipment in whole region, and each machinery equipment passes through
The wifi communication module of itself connects 4G wireless router, then communicate with the external world by 4G wireless router and data pass
It is defeated.In this communication scheme, attachable equipment number is influenced by 4G wireless router configuration, it is desirable to support that more equipment must
The router of the contour configuration of business class router must be used, and the distance of wifi connection can only be within 10 meters, more than 10 meters
Signal will die down, and penetration capacity is poor.
In addition, this communication module is designed and is developed for specific equipment, communication interface and equipment matching, if
Need to be docked to other equipment, pcb board needs to redesign and develop.And communication protocol is matched with equipment, even if in difference
Equipment on use identical communication mode, communication protocol is also required to be adjusted.In addition, only having single-chip microcontroller to have in communication module
Memory space, memory space is relatively small, and general message transmission rate is also relatively low, substantially in 9600bit/s hereinafter, can not
Support long-range more new procedures.
Utility model content
The technical problem to be solved by the present invention is in view of the above drawbacks of the prior art, provide a kind of communication mould
Block.
The technical scheme adopted by the utility model to solve the technical problem is as follows: constructing a kind of communication module, comprising:
Standard serial bus interface is used for access device；
Telecommunication unit is communicated to connect with Server remote；
Micro-control unit is separately connected the standard serial bus interface and telecommunication unit, for the equipment
The data transmitted between the server carry out intermediate treatment, and pass through the standard serial bus interface and telecommunication list
Member realizes that the data between the equipment and the server are transmitted；
Storage chip is connected to the micro-control unit, received from clothes for storing the telecommunication unit institute
The upgrade file of business device, and the upgrade file is pushed into the micro-control unit operation to realize the remote of the communication module
Journey upgrading.
Preferably, the storage chip is flash.
Preferably, the serial bus interface includes 485 communication interfaces of standard.
Preferably, 485 communication interface communicates A pin, a pair of of GND pin, 485 communication B of a pair including a pair 485 and draws
Foot.
Preferably, the micro-control unit includes RS-485 transmission circuit, single-chip computer and its peripheral circuit, the RS-485
Transmission circuit includes RS-485 transceiver, and the port of the reception data of the RS-485 transceiver is connected to the list via resistance
The port of the reception foot of the serial data of piece machine, the transmission data of the RS-485 transceiver is connected to the monolithic via resistance
The transmission foot of the serial data of machine, the permission foot of the reception data of the RS-485 transceiver, the permission foot for sending data connect altogether
By the pin for the control serial data transmission-receiving function for being connected to the single-chip microcontroller by resistance, the 485 of the RS-485 transceiver
The forward end of differential signal is via the pair of 485 communication A pin of resistance connection, the 485 difference letter of the RS-485 transceiver
Number backward end via resistance connection it is the pair of 485 communication B pin, the RS-485 transceiver power supply termination first electricity
Source, the ground terminal ground connection of the RS-485 transceiver.
Preferably, the telecommunication unit includes the communications module of SIM card and 2G or 4G.
Preferably, the SIM card is plugged on a SIM card deck, and the SIM signal detection foot of the SIM card deck connects
The single-chip microcontroller being connected in the micro-control unit, the communications module are connected to institute via a communications module power control circuit
State the single-chip microcontroller of micro-control unit, the communications module power control circuit includes the first triode and the first metal-oxide-semiconductor, and described the
One metal-oxide-semiconductor misses the first power supply of connection, and the collector of first triode is connected to the leakage of the first metal-oxide-semiconductor via resistance
Pole, the emitter ground connection of first triode, is connected with resistance between the base stage and emitter of first triode, described
The base stage of first triode connects the pin of the control communications module work of the single-chip microcontroller, first metal-oxide-semiconductor via resistance
Source electrode via capacity earth, the source electrode of first metal-oxide-semiconductor is additionally coupled to the supply pin of the communications module.
Preferably, the communication module further include:
Power interface, for accessing external power supply to Power Management Unit；
Power Management Unit, for in the communication module the device of power supply in need corresponding power supply electricity is provided
Source；
Supply relay control mouth is connect with the micro-control unit, for accessing the power supply of the equipment, the micro-control
Unit processed can control entirely described set by controlling the on-off for the supply relay connecting with the supply relay control mouth
It is standby whether to work on power.
Preferably, the Power Management Unit includes switching regulator IC, and the positive supply foot of the power interface passes through one
Diode connects the input pin of the switching regulator IC, and the switching regulator IC is for exporting the first power supply；The power supply
Relay control mouth connects the single-chip microcontroller in the micro-control unit by a supply relay control circuit；
The supply relay control circuit includes the supply relay, the second triode, second triode
Base stage is connected to the pin of the control relay of the single-chip microcontroller via resistance, the base stage and emitter of second triode it
Between be connected with resistance, the emitter ground connection of second triode, one end connection of the coil of the supply relay described the
The collector of two triodes, other end ground connection, the common of the supply relay connect the supply relay control mouth
2,3 feet, the normally opened contact of the supply relay connects 1 foot of the supply relay control mouth, the supply relay
Normally-closed contact connect 4 feet of the supply relay control mouth.
Preferably, the micro-control unit includes watchdog circuit, and the watchdog circuit is used to extremely follow in program appearance
When ring causes the counter in watchdog circuit to reach maximum value, control communication module is restarted.
The communication module of the utility model has the advantages that the communication module of the utility model provides standard string
Row bus interface access device is connect by telecommunication unit with server communication, and micro-control unit is responsible for equipment and service
Intermediate between device is connected work, therefore can be compatible with various equipment, and each equipment can be by communication module individually and server
Communication overcomes the communication distance of existing wifi communication module cooperation 4G wireless router scheme and the defect of amount of communications；
Increase storage chip in communication module and store upgrade file, to realize the remote upgrade of code；Further, telecommunication list
Member uses 485 communication modes, using the mode of connection of standard and the communication protocol of standard, allows exploitation to design and tests docking more
It is simple and quick；Watchdog circuit allows communication module to be restarted automatically when interrupting occurs in communication or program endless loop occurs, greatly
The continuous service ability for improving program.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer:
Fig. 1 is the structural schematic diagram of the utility model communication module；
Fig. 2 is the relevant circuit diagram of micro-control unit provided in a specific embodiment；
Fig. 3 is the relevant circuit diagram of telecommunication unit provided in a specific embodiment；
Fig. 4 is the relevant circuit diagram of Power Management Unit provided in a specific embodiment；
Fig. 5 is the relevant circuit diagram of supply relay control circuit provided in a specific embodiment.
Specific embodiment
The utility model is more fully retouched below with reference to relevant drawings for the ease of understanding the utility model,
It states.The exemplary embodiments of the utility model are given in attached drawing.But the utility model can come in many different forms in fact
It is existing, however it is not limited to embodiment described herein.On the contrary, purpose of providing these embodiments is makes public affairs to the utility model
It is more thorough and comprehensive to open content.
It should be noted that described " connected " or " connection ", not only includes being connected directly two entities, it also include logical
It crosses and is indirectly connected with other entities beneficial to improvement.Unless otherwise defined, all technology and section used herein
Technics has the same meaning as commonly understood by one of ordinary skill in the art to which the utility model belongs.It is practical new at this herein
The term used in the description of type is only for the purpose of describing specific embodiments that be not intended to limit this practical new
Type.
" first ", " second " used in this specification etc. includes that the term of ordinal number can be used for illustrating various constituent elements,
But these constituent elements are not limited by these terms.It is only that using the purpose of these terms and distinguishes a constituent element
In other constituent elements.For example, the first constituent element can be named under the premise of not departing from the interest field of the utility model
For the second constituent element, similarly, the second constituent element can also be named as the first constituent element.
The total thinking of the utility model is to construct a kind of communication module, comprising: standard serial bus interface, for accessing
Equipment；
Telecommunication unit is communicated to connect with Server remote；Micro-control unit is separately connected the standard serial bus
Interface and telecommunication unit for carrying out intermediate treatment to the data transmitted between the equipment and the server, and lead to
It crosses the standard serial bus interface and telecommunication unit realizes that the data between the equipment and the server are transmitted；It deposits
Store up chip, be connected to the micro-control unit, for store the telecommunication unit the received upgrading from server
File, and the upgrade file is pushed into the micro-control unit operation to realize the remote upgrade of the communication module.
In order to better understand the above technical scheme, in conjunction with appended figures and specific embodiments to upper
It states technical solution to be described in detail, it should be understood that the specific features in the utility model embodiment and embodiment are to this
The detailed description of application technical solution, rather than the restriction to technical scheme, in the absence of conflict, this is practical
Technical characteristic in new embodiment and embodiment can be combined with each other.
With reference to Fig. 1, in a specific embodiment, communication module 200 includes:
Standard serial bus interface 201 is used for access device 100, all friendships between communication module 200 and equipment 100
It is all mutually via standard serial bus interface 201.
Telecommunication unit 203 is connect, between communication module 200 and server 300 with 300 telecommunication of server
All interactions are all via telecommunication unit 203.
Micro-control unit 202 is separately connected the standard serial bus interface 201 and telecommunication unit 203, for pair
The data transmitted between the equipment 100 and the server 300 carry out intermediate treatment, and are connect by the standard serial bus
Mouth 201 and telecommunication unit 203 realize that the data between the equipment 100 and the server 300 are transmitted.It needs to illustrate
It is that existing method can be directly used in the algorithm that the intermediate treatment that micro-control unit 202 executes is based on, than taking as will be described
The instruction morphing instruction that can be performed at the equipment 100 that business device 300 issues, entirely by reference in the existing scheme based on WIFI
Data processing method.Similarly, running state data is obtained from the equipment 100 and the communication module 200 in real time, will obtained
The data taken upload to the server 300 after being packaged into format specified in the communication protocol of telecommunication unit 203, and
It originally can be that utility model is not rely on to algorithm entirely by reference to the data processing method in the existing scheme based on WIFI
Improvement.
Storage chip 204 connects micro-control unit 202, and for storing, 203 institute of telecommunication unit is received to be come from
The upgrade file of server 300, and by upgrade file push run to the micro-control unit 203 to realize described lead to
Believe the remote upgrade of module.
Power Management Unit 205, for in the communication module the device of power supply in need corresponding supply is provided
Power supply.
Power interface 206 connects Power Management Unit 205, for accessing external power supply, electricity to Power Management Unit 205
Source control unit 205 external power supply can be carried out after converting accordingly in the communication module power supply in need device
Part provides corresponding power supply.
Supply relay control mouth 207 connects micro-control unit 202, described for accessing the power supply of the equipment 100
The on-off that micro-control unit 202 can lead to the supply relay that control is connect with the supply relay control mouth 207 is whole to control
Whether a equipment 100 works on power.
In a specific embodiment, the micro-control unit 202 is also used to patrol by timer timing from described
The request response data that server 300 issues, when not receiving data in preset time, control communication module is restarted.
In a specific embodiment, the micro-control unit 202 includes watchdog circuit, and the watchdog circuit is used
In when endless loop, which occurs, in program causes the counter in watchdog circuit to reach maximum value, control communication module is restarted.
Preferably, micro-control unit 202 includes single-chip microcontroller.
Preferably, the storage chip 204 is flash.
Preferably, the telecommunication unit 203 includes SIM card and the communications module of 2G or 4G, gets rid of wifi mould
The limitation of group communication distance.
Preferably, the serial bus interface 204 includes 485 communication interfaces of standard, the mode of connection and standard of standard
Communication protocol, allow exploitation design and test docking it is simpler and quick.Specifically, 485 communication interface includes a pair
485 communication A pins, a pair of of GND pin, a pair 485 communicate B pin, when equipment needs to access, define according to the interface of standard
Wiring can simply complete equipment and dock with the hardware of the communication module of the utility model.485 communication interface uses serial ports
485 half duplex communication modes, baud rate use 115200bit/s, and data frame format uses hex16 system, each data is torn open
It is divided into two groups successively to send, mono- frame of data break 200ms.
With reference to Fig. 2, storage chip 204 using model W25Q16 the 8M- with double SPI and four times of SPI interface
The serial Flash memory U2 of bit, 16M-bit and 32M-bit.The micro-control unit specifically includes: RS-485 transmitting-receiving electricity
Road, model STM32F103C8T6 single-chip microcontroller U1 and its peripheral circuit.Wherein, the RS-485 transmission circuit includes model
For the RS-485 transceiver U3 of MAX3082.The 485 communication interface JP2 include a pair 485 communicate A pin, a pair of of GND pin,
A pair 485 communicates B pin
The port RO of the reception data of transceiver U3 connects via the serial data that resistance R6 is connected to the single-chip microcontroller U1
Foot USART1_RX is received, the port DI of the transmission data of transceiver U3 is connected to the serial number of the single-chip microcontroller U1 via resistance R7
According to transmission foot USART1_TX, transceiver U3 reception data permission foot RE, send data permission foot DE connect altogether after through by
Resistance R11 is connected to the pin USART1_CK of the control serial data transmission-receiving function of the single-chip microcontroller U1, and the 485 of transceiver U3
The forward end A of differential signal communicates A pin, the 485 difference letter of transceiver U3 via a pair 485 of resistance R4 connecting interface JP2
Number backward end B communicate B pin via a pair 485 of resistance R8 connecting interface JP2, resistance R3, R5, R10 are sequentially connected in series in the
Between one power supply 3V3 and ground, the forward end A of transceiver U3 is also attached between R3 and R5, and the backward end B of transceiver U3 is also connected with
Between R5 and R10, forward end A is also grounded via bi-directional voltage stabilizing diode D3, and backward end B is also via bi-directional voltage stabilizing diode D4
Ground connection, the power end VCC of transceiver U3 connect the first power supply 3V3, the ground terminal GND ground connection of transceiver U3.
With reference to Fig. 3, the telecommunication unit includes SIM card and the 4G communications module U5 of model high pass 9X07, tool
Body, the SIM card is plugged on a SIM card deck J3, and the SIM signal detection foot namely 7 feet of deck J3 is connected to monolithic
19 feet of machine U1, the communications module U5 are connected to single-chip microcontroller U1 via a communications module power control circuit.
Specifically, the communications module power control circuit includes the first triode Q5 and the first metal-oxide-semiconductor Q6, described first
Metal-oxide-semiconductor Q6's misses the first power supply 3V3 of connection, and the collector of the first triode Q5 is connected to the first MOS via resistance R32
The drain electrode of pipe Q6, the emitter ground connection of the first triode Q5, connects between the base stage and emitter of the first triode Q5
It is connected to resistance R31, the base stage of the first triode Q5 connects the control communications module work of the single-chip microcontroller U1 via resistance R30
The source electrode of 18 pins made, the first metal-oxide-semiconductor Q6 is grounded via the capacitor C21-C24 of multiple parallel connections, the first metal-oxide-semiconductor Q6
Source electrode be additionally coupled to the supply pin VBAT of the communications module U5.In addition, the upper electric control pin POWER_ of communications module U5
ON and reset pin RESET_IN, the corresponding respective pins that single-chip microcontroller U1 is connected by Q4, Q3.By control Q5,
The state of Q6, Q4, i.e., the work of controllable communications module U5, by controlling Q3, that is, controllable state, i.e., controllable communication mould
The reset of group U5.
With reference to Fig. 4, the Power Management Unit includes switching regulator IC U4, and power interface 206 is specially including positive electricity
The positive supply foot of the interface JP1 of source foot and negative supply foot, interface JP1 pass through a diode D5 connection switching regulator IC U4
IN input pin, the negative supply foot of interface JP1 connects the GND grounding leg of the switching regulator IC U4.The switch voltage-stabilizing core
Piece U4 is for exporting the first power supply 3V3.Specifically, the BST foot of chip U4 is by capacitor C4 connection SW foot, SW foot is via inductance L1
After export the first power supply 3V3.
With reference to Fig. 5, the quantity of the supply relay control mouth is two, specially with the interface P1 and P2 of 1-5 foot.
Interface P1 connects 25 feet of single-chip microcontroller by a supply relay control circuit, and interface P2 passes through a supply relay control circuit
Connect 26 feet of single-chip microcontroller.The supply relay control circuit only connected below with interface P1 is illustrated.Supply relay
Control circuit includes supply relay K1, the second triode Q2, and the base stage of the second triode Q2 is connected to via resistance R28
No. 25 pins of the control relay of the single-chip microcontroller U1, are connected with electricity between the base stage and emitter of the second triode Q2
R18 is hindered, the emitter ground connection of the second triode Q2, one end of the coil of the supply relay connects the two or three pole
The collector of pipe Q2, other end ground connection, the common of the supply relay connect 2,3 feet of the interface P1, the confession
1 foot of the normally opened contact connecting interface P1 of electrical relay, 4 feet of the normally-closed contact connecting interface P1 of the supply relay.It is single
Piece machine U1 by the state of control Q2, i.e., whether, and then control supply relay if powering by the coil of controllable supply relay
Common and normally opened contact or normally-closed contact are attracted, and may finally control the on-off for the equipment power supply connecting with interface P1.
In conclusion the communication module of the utility model, has the advantages that the communication module of the utility model mentions
For standard serial bus interface access device, it is connect by telecommunication unit with server communication, micro-control unit is responsible for setting
The standby intermediate linking work between server, therefore various equipment can be compatible with, each equipment can be independent by communication module
With server communication, the communication distance and amount of communications of existing wifi communication module cooperation 4G wireless router scheme are overcome
Defect；Increase storage chip in communication module and store upgrade file, to realize the remote upgrade of code；Further, far
Journey communication unit uses 485 communication modes, using the mode of connection of standard and the communication protocol of standard, exploitation is allowed to design and test
It docks simpler and quick；Watchdog circuit allows communication module to weigh automatically when interrupting occurs in communication or program endless loop occurs
It opens, is greatly improved the continuous service ability of program.
Here, it is to be noted that, the utility model relates to function, algorithm, method etc. be only the prior art routine
Adaptability application.Therefore, improvement of the utility model for the prior art, the connection relationship being substantially between hardware, rather than
Although it is related to some functions, algorithm, method for function, algorithm, method itself namely the utility model, but and does not include pair
The improvement that function, algorithm, method itself propose.Description of the utility model for function, algorithm, method, is in order to better
Illustrate the utility model, to better understand the utility model.
The embodiments of the present invention are described above in conjunction with attached drawing, but the utility model is not limited to
The specific embodiment stated, the above mentioned embodiment is only schematical, rather than restrictive, this field it is common
Technical staff is not departing from the utility model aims and scope of the claimed protection situation under the enlightenment of the utility model
Under, many forms can be also made, these are belonged within the protection of the utility model.
Claims (10)
1. a kind of communication module characterized by comprising
Standard serial bus interface is used for access device；
Telecommunication unit is communicated to connect with Server remote；
Micro-control unit is separately connected the standard serial bus interface and telecommunication unit, for the equipment and institute
It states the data transmitted between server and carries out intermediate treatment, and is real by the standard serial bus interface and telecommunication unit
Data between the existing equipment and the server are transmitted；
Storage chip is connected to the micro-control unit, received from server for storing the telecommunication unit institute
Upgrade file, and the upgrade file is pushed into micro-control unit operation to realize the long-range liter of the communication module
Grade.
2. communication module according to claim 1, which is characterized in that the storage chip is flash.
3. communication module according to claim 1, which is characterized in that the serial bus interface includes the 485 logical of standard
Believe interface.
4. communication module according to claim 3, which is characterized in that 485 communication interface includes that a pair 485 communicates A
Pin, a pair of of GND pin, a pair 485 communicate B pin.
5. communication module according to claim 4, which is characterized in that the micro-control unit includes RS-485 transmitting-receiving electricity
Road, single-chip computer and its peripheral circuit, the RS-485 transmission circuit include RS-485 transceiver, and the RS-485 transceiver connects
The port of receipts data is connected to the reception foot of the serial data of the single-chip microcontroller, the transmission of the RS-485 transceiver via resistance
The port of data is connected to the transmission foot of the serial data of the single-chip microcontroller, the reception number of the RS-485 transceiver via resistance
According to permission foot, send data permissions foot connect altogether after through by resistance be connected to the single-chip microcontroller control serial data transmitting-receiving function
The forward end of the pin of energy, 485 differential signals of the RS-485 transceiver draws via the pair of 485 communication A of resistance connection
Foot, the backward end of 485 differential signals of the RS-485 transceiver are described via the pair of 485 communication B pin of resistance connection
The power supply of RS-485 transceiver terminates the first power supply, the ground terminal ground connection of the RS-485 transceiver.
6. communication module according to claim 1, which is characterized in that the telecommunication unit includes SIM card and 2G
Or the communications module of 4G.
7. communication module according to claim 6, which is characterized in that the SIM card is plugged on a SIM card deck,
The SIM signal detection foot of the SIM card deck is connected to the single-chip microcontroller in the micro-control unit, and the communications module is via one
A communications module power control circuit is connected to the single-chip microcontroller of the micro-control unit, the communications module power control circuit packet
The first triode and the first metal-oxide-semiconductor are included, first metal-oxide-semiconductor misses the first power supply of connection, the current collection of first triode
Pole is connected to the drain electrode of the first metal-oxide-semiconductor, the emitter ground connection of first triode, the base of first triode via resistance
Resistance is connected between pole and emitter, the base stage of first triode is communicated via the control that resistance connects the single-chip microcontroller
The pin of mould group work, for the source electrode of first metal-oxide-semiconductor via capacity earth, the source electrode of first metal-oxide-semiconductor is additionally coupled to institute
State the supply pin of communications module.
8. communication module according to claim 1, which is characterized in that the communication module further include:
Power interface, for accessing external power supply to Power Management Unit；
Power Management Unit, for in the communication module the device of power supply in need corresponding power supply is provided；
Supply relay control mouth is connect with the micro-control unit, for accessing the power supply of the equipment, the microcontroller list
Member can control the entire equipment by controlling the on-off for the supply relay connecting with the supply relay control mouth
It is no to work on power.
9. communication module according to claim 8, which is characterized in that the Power Management Unit includes switch voltage-stabilizing core
Piece, the positive supply foot of the power interface connect the input pin of the switching regulator IC by a diode, and the switch is steady
Press chip for exporting the first power supply；The supply relay control mouth is connected described micro- by a supply relay control circuit
Single-chip microcontroller in control unit；
The supply relay control circuit includes the supply relay, the second triode, the base stage of second triode
It is connected to the pin of the control relay of the single-chip microcontroller via resistance, connects between the base stage and emitter of second triode
It is connected to resistance, the emitter ground connection of second triode, one end connection the described 2nd 3 of the coil of the supply relay
The collector of pole pipe, other end ground connection, the common of the supply relay connect 2, the 3 of the supply relay control mouth
Foot, the normally opened contact of the supply relay connect 1 foot of the supply relay control mouth, the supply relay it is normally closed
Contact connects 4 feet of the supply relay control mouth.
10. communication module according to claim 1, which is characterized in that the micro-control unit includes watchdog circuit, institute
Watchdog circuit is stated for when endless loop, which occurs, in program causes the counter in watchdog circuit to reach maximum value, control to be communicated
Module is restarted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821487484.7U CN208739136U (en) | 2018-09-12 | 2018-09-12 | Communication module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821487484.7U CN208739136U (en) | 2018-09-12 | 2018-09-12 | Communication module |
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| Publication Number | Publication Date |
|---|---|
| CN208739136U true CN208739136U (en) | 2019-04-12 |
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ID=66033489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821487484.7U Active CN208739136U (en) | 2018-09-12 | 2018-09-12 | Communication module |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110147058A (en) * | 2019-05-16 | 2019-08-20 | 浙江大学 | A kind of single-chip microcontroller timing chip by means of WiFi module |
| CN110184791A (en) * | 2019-07-10 | 2019-08-30 | 无锡思迈尔物联科技有限公司 | The general automatic release device of liquid detergent |
-
2018
- 2018-09-12 CN CN201821487484.7U patent/CN208739136U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110147058A (en) * | 2019-05-16 | 2019-08-20 | 浙江大学 | A kind of single-chip microcontroller timing chip by means of WiFi module |
| CN110147058B (en) * | 2019-05-16 | 2020-10-16 | 浙江大学 | Borrow singlechip timing chip of wiFi module |
| CN110184791A (en) * | 2019-07-10 | 2019-08-30 | 无锡思迈尔物联科技有限公司 | The general automatic release device of liquid detergent |
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