CN109950975A - A kind of data communication module - Google Patents
A kind of data communication module Download PDFInfo
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- CN109950975A CN109950975A CN201910178217.4A CN201910178217A CN109950975A CN 109950975 A CN109950975 A CN 109950975A CN 201910178217 A CN201910178217 A CN 201910178217A CN 109950975 A CN109950975 A CN 109950975A
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- 238000004891 communication Methods 0.000 title claims abstract description 54
- 239000003990 capacitor Substances 0.000 claims abstract description 64
- 238000005070 sampling Methods 0.000 claims abstract description 27
- 238000004804 winding Methods 0.000 claims abstract 5
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 239000013078 crystal Substances 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 11
- 238000013461 design Methods 0.000 description 8
- 230000005611 electricity Effects 0.000 description 7
- 239000003381 stabilizer Substances 0.000 description 5
- 238000012806 monitoring device Methods 0.000 description 3
- 238000004146 energy storage Methods 0.000 description 2
- 239000000686 essence Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 235000015429 Mirabilis expansa Nutrition 0.000 description 1
- 244000294411 Mirabilis expansa Species 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005288 electromagnetic effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000003447 ipsilateral effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 235000013536 miso Nutrition 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
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- 239000007787 solid Substances 0.000 description 1
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Abstract
The present invention proposes a kind of data communication module, and it includes wiring board, which has first surface, the second surface opposite with the first surface；The driving assembly for being configured at the sampling component of wiring board and being electrically connected with sampling component, the sampling component includes the first connection terminal, it includes have the first connecting pin, it is for electrically connecting to firewire/zero curve of device to be sampled, second connection end is for electrically connecting to zero curve/firewire of device to be sampled, first capacitor, electrically series winding connects the first connecting pin for it, and the second capacitor, electrically series winding connects the first connecting pin；The first capacitor, the second capacitor are configured at the first surface, and the first connection terminal is configured at the second surface.The module is easy to use in this way, does not need to set up network again, as long as live wire, can be carried out data transmitting；Its pin connecting with device to be sampled is each configured with capacitor, improves the reliability of module in this way.
Description
Technical field
The present invention relates to a kind of communication modules, more particularly to a kind of data communication mould based on power line carrier communication
Block.
Background technique
With rapid development of economy, demand of the every profession and trade to electricity consumption is increasing, and electric power resource is in short supply and different time
The unbalanced phenomenon of electricity consumption is still serious.To alleviate the increasingly sharp imbalance between power supply and demand in China, electricity consumption of advocating thriftiness is mentioned
High power consumption efficiency rationally has become urgent problem using electric power resource.Existing have electric quantity acquisition function and be mostly
Ammeter (intelligent electric meter), conversion socket carry out electric energy loss statistics and metering.Although currently there are some electricity networked to adopt
Storage, but their most single prices are relatively high to be unfavorable for the universal of information about power acquisition；Also just like distributed power station or
Occasion configured with charging pile, it is very high to the reliability requirement of monitoring device, because the monitoring device operation appearance used is different
It often or damages, using interim monitoring device and original system, there are the hidden danger of poor compatibility.
Summary of the invention
The purpose of the present invention aims to solve at least one of described technological deficiency.Based on the above issues, the present invention proposes one kind
Data Data communication module, structure is simple, and integrated level is high and installation is simple, as long as live wire, can be carried out data transmitting.For
Realize above-mentioned purpose the present invention adopts the following technical scheme:
A kind of data communication module, which is characterized in that there is wiring board, it includes first surfaces, with the first surface
Opposite second surface；The driving assembly for being configured at the sampling component of wiring board and being electrically connected with sampling component,
The sampling component is for electrically connecting to dress to be sampled it includes there is the first connecting pin comprising the first connection terminal
Firewire/the zero curve set, second connection end are for electrically connecting to zero curve/firewire of device to be sampled,
First capacitor, is electrically connected the first connecting pin, and the second capacitor is electrically connected the first connecting pin；Described first
Capacitor, the second capacitor are configured at the first surface, and the first connection terminal is configured at the second surface.
Preferably, which also includes isolating device, and the first capacitor is electrically connected in the both ends of one side,
Second capacitor.
Preferably, which includes transformer, and the first capacitor, institute is electrically connected in the both ends of primary side side
State the second capacitor.
Preferably, the both ends of the secondary side of the transformer are electrically connected voltage-stabiliser tube.
Preferably, which includes main control chip component, crystal oscillator component, Power Supply Assembly, and the Power Supply Assembly is electrical
The main control chip component is connected, to provide driving electric energy；The main control chip component, the crystal oscillator component, the electric power
Line sampling unit is configured at the first surface；The Power Supply Assembly is configured at the second surface；The wiring board is configured with
Via pad, to configure connection terminal.
Preferably, the connection terminal includes complex root connection stitch, includes at least and be for electrically connecting to supply voltage
Stitch, transmit the stitch of signal.
Preferably, connection terminal welding or pluggable it is fixed on the wiring board.
Preferably, which includes voltage conversion chip, and it includes input terminal, output end, ground terminal, the inputs
End is electrically connected one end and the energization input of capacitor, and the other end of capacitor is electrically connected the ground terminal and electrical ground, institute
It states output end and is electrically connected Power Supply Assembly, resistance is configured between the input terminal and the output end.
Preferably, the connection terminal and first connection terminal are configured at the same side of second surface.Such design
Convenient for wiring.In a rectangular parallelepiped shape, connection terminal and the first connection terminal are configured at the side of the long side of second surface to wiring board.
Preferably, which includes enabled component, and it includes there is enabled chip, the enabled chip includes enabled
Signal triggering end, is electrically connected to one end of first resistor, and the other end of first resistor is electrically connected to main control chip component
Enable end and second resistance one end, the other end electrical ground of second resistance；Ground terminal, electrical ground；Feeder ear is used
To be electrically connected power supply.
Scheme in compared with the existing technology, advantages of the present invention:
1. data communication module, structure is simply easily installed simply, versatile；
2. data communication module is easy to use, do not need to set up network again, as long as live wire, can be carried out data biography
It passs；
3. the pin that the module is connect with device to be sampled connects configuration safety capacitor, the reliability of module is improved.
4. the transformer of module PLC sampling component abuts against safety capacitor attachment, connection is reduced to greatest extent in this way
Electromagnetic effect of the forceful electric power afterwards to communication module.
5. the module configures voltage-stabiliser tube, Surge handling capability is improved.
Detailed description of the invention
The invention will be further described with reference to the accompanying drawings and embodiments:
Fig. 1 a, b are the structural schematic diagram of the data communication module of the embodiment of the present invention；
Fig. 2 is the power supply module schematic diagram of the data communication module of the embodiment of the present invention；
Fig. 3 is the topological schematic diagram of the Power Supply Assembly of the data communication module of the embodiment of the present invention；
Fig. 4 is the reset function topology schematic diagram that the main control chip component of the embodiment of the present invention connects；
Fig. 5 is the main control chip functional schematic of the data communication module of the embodiment of the present invention；
Fig. 6 is the topological schematic diagram of the sampling component of the data communication module of the embodiment of the present invention；
Fig. 7 is the data communication module and server connection schematic diagram of the embodiment of the present invention；
Data communication module and other modular simulation result schematic diagrams of the Fig. 8 for the embodiment of the present invention.
Specific embodiment
Above scheme is described further below in conjunction with specific embodiment.It should be understood that these embodiments are for illustrating
The present invention and be not limited to limit the scope of the invention.Implementation condition used in the examples can be done such as the condition of specific producer into
One successive step, the implementation condition being not specified are usually the condition in routine experiment.
Embodiment:
Fig. 1 a, 1b are the structural schematic diagram of the data communication module of the embodiment of the present invention, the data communication module 200 packet
Contain, wiring board 201, the sampling component for being configured at the driving assembly of wiring board and being electrically connected with driving assembly, the driving group
Part includes main control chip component 204, crystal oscillator component 204a, Power Supply Assembly 211, and the sampling component includes power line sampling unit
208；The Power Supply Assembly 211 is electrically connected main control chip component 204, to provide the electric energy of driving main control chip, main control chip
Crystal oscillator component 204a is configured near component 204；Wiring board 201 has first surface, second table opposite with first surface
Face；Main control chip component 204, crystal oscillator component 204a, power line sampling unit are configured at the first surface；Power Supply Assembly 211 is matched
It is placed in second surface；Wiring board is configured with plurality of through holes pad, to be fixedly connected with terminal 210.Preferably, the connecting pin
Son 210 has complex root to connect stitch, includes at least the stitch for being for electrically connecting to supply voltage, transmits the stitch of signal.Weldering
It connects or pluggable is fixed on wiring board 201.In present embodiment, wiring board 201 also includes and the ipsilateral configuration of connection terminal 210
The first connection terminal 202 be for electrically connecting to firewire/zero line marker to be sampled it includes there is the first connecting pin 202a,
Two connecting pin 203a are for electrically connecting to zero curve to be sampled/firewire device.Preferably, isolating device 208a configuration is driving
Between component and sampling component, such design, reduce the first connecting pin, second connection end connect with device to be sampled after to drive
The electromagnetic interference of dynamic component.The preferable isolating device includes transformer.Sampling component 208 includes capacitor 202b, 203b, is become
Depressor 208a, the equal components of the first connection terminal 202, corresponding circuit topology refer to Fig. 6.
In one embodiment, also comprising power supply mould group on wiring board 201, received 12V voltage to be converted to
3.3V voltage and the Power Supply Assembly 211 for being transmitted to electric connection.Mould group of powering includes voltage conversion chip 205, capacitor 207.Through
It crosses after the transformation of power supply mould group and received voltage is converted into 12V voltage (output electric current, such as average current 100mA, peak point current
200mA)。
Next in conjunction with the connection of driving assembly and sampling component in the detailed description communication module of Fig. 2-6.
As shown in figure 5, the main control chip functional schematic of the data communication module for the embodiment of the present invention, main control chip 10
With plurality of ports, wherein including port 1-4, it is electrically connected to sampling component 100, enable port RSTL is to connect
Enabling unit 3000, test port 6,7, to connect preset test point TP1, TP2,.Port 8, to export 1.2V voltage,
Port 8 is electrically connected inductance 14, which preferably exports electric current and be no more than to the size of current for inhibiting moment to export
0.6A, its transmitting of design PA maximum current 600mA.In present embodiment, the size of inductance 14 is (preferable between 0.2~0.6uH
, choose 4.7H).Capacitor 15 is identical as the capacitance of capacitor 17, and 100 times of the capacitance of capacitor 16 substantially 15 capacitance of capacitor.End
Mouth 11 provides 1.2V voltages, and integrated design DC/C (3.3V turns 1.2V) simplifies wires design.13,14,18 resistance value 1000
Ohm allows maximum current 200mA.
The main control chip 10 is electrically connected Power Supply Assembly, provides driving electric energy by Power Supply Assembly, the topology of Power Supply Assembly is such as
Shown in Fig. 3.Power Supply Assembly 2000 includes chip 2001, capacitor 2002, resistance 2003, inductance 2004, capacitor 2005/2006, electricity
2007/2008, capacitor 2009, diode 2010, resistance 2011, diode 2012 are hindered, the input terminal in of chip 2001 electrically connects
Connect one end of input power (e.g., the output end of power supply module) and capacitor 2002 and one end of resistance 2003, resistance 2003 it is another
One end is electrically connected the enable end EN of chip 2001, the ground terminal and resistance 2008 of the other end connection chip 2001 of capacitor 2002
One end,
The chip select terminal BS of chip 2001 is electrically connected one end of capacitor 2009, and the other end of capacitor 2009 is electrically connected two poles
One end of the cathode terminal of pipe 2010 and the output end out of chip 2001 and inductance 2004, the anode tap of diode 2010 are electrically connected with
Ground, the other end of inductance 2004 are electrically connected one end of capacitor 2005/6 and one end of resistance 2011, the other end of capacitor 2006
It is electrically connected to the feedback end FB of chip 2001 and the other end of resistance 2008, resistance 2017 is electrically connected to capacitor 2006
Both ends, the other end of capacitor 2005 are electrically connected to the cathode terminal and electrical ground of diode 2012.Such design, by supplying
Electrical component 2000 convert after will (e.g., power supply module) input DC high voltage be converted to DC low-voltage (3.3V).
Next power supply module 1000 is described in conjunction with Fig. 2, includes voltage conversion chip 1001, with input terminal in,
Its one end for being electrically connected VIN and capacitor 1002, ground terminal GND, the other end of electrical ground and capacitor 1002, output end
Out is configured with resistance 1003 to export the voltage after converting to matched connecting pin between input terminal in and output end out.This
In embodiment, resistance 1003 is 0 ohm, can omit the resistance 1003 in the embodiment having.Capacitor 1002 is preferably selected
Big voltage, to pressure stabilizing and isolation interference, preferably its pressure resistance is 2~3 times of output voltage.It will by power supply module 1000
The high direct voltage of input is converted to direct current 12V voltage, and the average value of output electric current is less than 150mA and (in present embodiment, exports
The average value 100mA, peak point current 200mA of electric current).Capacitor 1002 is selected, the Surge handling capability of power supply module 1000 is improved, it is defeated
Power Supply Assembly is protected when entering power supply higher than estimated value.Mostly without the power supply module, input voltage warp in existing control module
It is converted directly into budget voltage (such as 3.3v) after crossing conversion, is supplied to main control chip.
Next enabled component 3000 is described in conjunction with Fig. 4, enabling component includes enabled chip, with signal triggering end
RST, is electrically connected to one end of first resistor 3001, and the other end of first resistor 3001 is electrically connected to main control chip group
The enable end RSTL of part and one end of second resistance 3002, the other end electrical ground of second resistance 3002；Enabled chip ground
End, electrical ground；The feeder ear of enabled chip, is for electrically connecting to power supply (e.g., 3.3V).In present embodiment, adopt
The reliability of module is improved with the design of enabled chip, existing control module makes to be capable of resetting, and mostly uses capacitor and resistance
Scheme resetted, the embodiment in the severe occasion of service voltage, can frequently reset at this moment reset it is unsuccessful
Probability is very high (probability more than 1%), it cannot meet the requirements in this way, great using the enabled chip form of present embodiment
It reduces and resets unsuccessful probability.
Next sampling component 100 is described in conjunction with Fig. 6, and there is the port 105/106 of connection device to be sampled (such as
105 are electrically connected the firewire of sampling apparatus, and 106 zero curves for being electrically connected sampling apparatus in other implementations can also phase
Instead, it is not limited thereto), the port 101-104 of connection is matched with main control chip, also includes transformer 107, and primary side side is electrical
It is connected to port 105/106, one end of secondary side is electrically connected one end of voltage-stabiliser tube 108 and the cathode terminal and electricity of diode 109
One end of resistance 111, the anode tap electrical ground of diode 109, the anode tap of diode 110 are electrically connected the yin of diode 109
Extremely, the cathode terminal of diode 110 is electrically connected the other end of resistance 111 and port 112, the other end of secondary side electrically connect
The cathode terminal of the other end of voltage-stabiliser tube 108 and one end of resistance 113 and diode 114 is connect, the anode tap of diode 115 electrically connects
The cathode terminal of diode 114 is connect, the cathode terminal of diode 115 is electrically connected port 116, one end of resistance 117 and resistance 119
One end be electrical connected and be connected to one end of resistance 111, the other end of resistance 117 is electrically connected to one end of capacitor 121,
The other end of capacitor 121 is electrically connected one end of capacitor 124 and one end of resistance 122, the other end connectivity port of capacitor 124
101, the other end of resistance 119 is electrically connected one end of capacitor 125, and the other end of capacitor 125 is electrically connected port 103；Resistance
118 one end and one end of resistance 120 are electrically connected and are connected to the cathode terminal of diode 114, and the other end of resistance 118 is electrical
One end of capacitor 123 is connected, the other end of capacitor 123 is electrically connected the other end of resistance 122 and one end of capacitor 125, capacitor
125 other end is electrically connected to port 102, and one end of resistance 120 is electrically connected to one end of capacitor 126, capacitor 126 it is another
One end is electrically connected to port 104.In present embodiment, port 112,116 is 12V DC voltage.In present embodiment, use
The ability of module antisurge can be improved in voltage-stabiliser tube.Capacitor 126/127 in Fig. 6,202b/203b in corresponding diagram 1.Such design
Safety capacitor is respectively set in port 105/106, improves the reliability of sampling component.
In one embodiment, data communication module is configured with energy-storage battery, provides data communication module by the energy storage
Electric energy is run, at this moment cancels the supply port of above embodiment on ontology.
In one embodiment, the connection terminal of data communication module includes a plurality of pins, such as 8 pins.It is at least
2 pins (such as VIN, GND can also be other forms such as "+", "-") of power supply, signal transmits/receives pin (RX/
It TX), also may include enabling (CS) pin, clock (SCLK) pin, signal transmits/receives pin (MISO/MOSI) etc..The company
The form of pluggable form of terminal or through-hole welding can be used in connecting terminal.
In one embodiment, data communication module configuration is in the control cabinet of photovoltaic plant, with inverter linker
In the operation information of preset pattern acquiring inverter.
In one embodiment, data communication module configuration connects in the control cabinet of electric motorcar charging station with controller
It connects, the operation information based on preset pattern acquiring charging pile.
It is illustrated in figure 7 the functional block diagram that data communication module is connect with server；Data communication module passes through
Communication module will be transferred to server after information operation that PLC sampling component samples in a wired or wireless manner.This embodiment party
In formula, server can be described as cloud server, remote control server, intelligent Portable device etc..
Be illustrated in figure 8 data communication module and existing communication module (curve has solid point identification in figure)) performance
Comparison, as can be seen from Figure (abscissa states link attenuation, and ordinate states traffic rate), the module that present embodiment provides
Its high sensitivity, its transmission rate with 300kbps at -95db (curve has open circle mark in figure).
It should be noted that the component drawn is equivalent schematic, in reality in topological schematic diagram as shown in figures 2-6
Border apply when can for it is multiple it is equivalent at.The quantity of component is not construed as limiting.
Its operating frequency range of disclosed data communication module is transmitted between 100kHz~30MHz, PHY according to the present invention
Up to 40Mbps, current its operating frequency range of plc communication module is transmitted between 2MHz~12MHz, PHY rate mostly
Rate is up to 27Mbps, in this way the module, embeddable into industrial control equipment on the market, is set without influencing others
Standby, installation is simple, and data communication module module and the server of connection can establish connection and send data by wireless communication, number
It is no longer limited by space according to communication module.
In one embodiment, Bandpass Filter power supply is integrated in the ontology of data communication module.
In one embodiment, PLC (the full name Power line Communication) compatibility of data communication module
Height supports world HomePlug Green PHY standard, national grid standard, south electric network standard.
In one embodiment, data communication module is furnished with storage assembly, for storing the information of acquisition；Data communication mould
Block is also equipped with the interface of reading storage assembly storage information.Preferably, selecting USB interface, mini USB interface, Type-
C interface etc., as long as waiting the information for reading storage assembly storage.
In one embodiment, the main control chip of data communication module its be integrated with voltage conversion function, by 3.3V electricity
Pressure is converted to the port 8 that 1.2V output refers to Fig. 5 main control chip.The 1.2V voltage is to drive preset chip.Main control chip
Also configure a plurality of output 1.2V, the port of 3.3V.
In the power supply module embodiment of above embodiment, the voltage of received power supply to be converted to
12V voltage, the interior Surge handling capability that communication module is improved configured with bulky capacitor.
In the embodiment of the Power Supply Assembly of above embodiment, received power supply module is exported 12V voltage
Master component in being converted to 3.3V voltage and providing.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
It is to can understand the content of the present invention and implement it accordingly, it is not intended to limit the scope of the present invention.All such as present invention essences
The equivalent transformation or modification that refreshing essence is done, should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of data communication module, which is characterized in that there is wiring board, it includes first surfaces, with the first surface phase
Pair second surface, be configured at wiring board sampling component and with sampling component be electrically connected driving assembly；
The sampling component is for electrically connecting to device to be sampled it includes there is the first connecting pin comprising the first connection terminal
Firewire/zero curve, second connection end are for electrically connecting to zero curve/firewire of device to be sampled, and first capacitor, electrically series winding connects
First connecting pin, the second capacitor, electrically series winding connects the first connecting pin；The first capacitor and the second capacitor are configured at described
One surface, the first connection terminal are configured at the second surface.
2. communication module as described in claim 1, which is characterized in that the sampling component also includes isolating device, one side
Both ends the first capacitor, second capacitor is electrically connected.
3. communication module as claimed in claim 2, which is characterized in that the isolating device includes transformer, primary side side
Electrically series winding connects the first capacitor, second capacitor respectively at both ends.
4. communication module as claimed in claim 3, which is characterized in that the both ends of the secondary side of the transformer are electrically connected steady
Pressure pipe.
5. communication module as described in claim 1, which is characterized in that the driving component includes main control chip component, power supply
Component, the Power Supply Assembly is electrically connected the main control chip component, to provide driving electric energy；The main control chip component,
The crystal oscillator component, the power line sampling unit are configured at the first surface；The Power Supply Assembly is configured at described second
Surface；The wiring board is configured with via pad, to configure connection terminal.
6. communication module as claimed in claim 5, which is characterized in that the connection terminal includes complex root connection stitch,
It includes at least the stitch for being for electrically connecting to supply voltage, transmits the stitch of signal.
7. communication module as claimed in claim 6, which is characterized in that connection terminal welding pluggable is fixed on institute
Wiring board is stated, is all configured at second surface with first connection terminal.
8. communication module as claimed in claim 7, which is characterized in that the connection terminal and first connection terminal configure
In the same side of second surface.
9. communication module as claimed in claim 5, which is characterized in that it include also power supply module, with voltage conversion chip,
The voltage conversion chip includes input terminal, and output end, ground terminal, one end of the input terminal electric connection capacitor and power supply are defeated
Enter end, the other end of capacitor is electrically connected the ground terminal and electrical ground, and the output end is electrically connected Power Supply Assembly, described
Resistance is configured between input terminal and the output end.
10. communication module as claimed in claim 5, which is characterized in that the driving component includes enabled component, it includes
There is enabled chip, the enabled chip includes enable signal triggering end, is electrically connected to one end of first resistor, first resistor
The other end be electrically connected to the enable end of main control chip component and one end of second resistance, the other end of second resistance is electrically connected with
Ground；Ground terminal, electrical ground；Feeder ear is for electrically connecting to power supply.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910178217.4A CN109950975A (en) | 2019-03-08 | 2019-03-08 | A kind of data communication module |
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| CN201910178217.4A CN109950975A (en) | 2019-03-08 | 2019-03-08 | A kind of data communication module |
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| US5396555A (en) * | 1991-03-19 | 1995-03-07 | Kabushiki Kaisha Toshiba | Power and signal transmission system |
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| CN103412834A (en) * | 2013-07-23 | 2013-11-27 | 中国科学院计算技术研究所 | Single SOC chip and multi-working mode multiplexing method of single SOC chip |
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| CN108562791A (en) * | 2018-07-14 | 2018-09-21 | 苏州溥秋智能科技有限公司 | A kind of data acquisition device |
| CN108931936A (en) * | 2018-08-17 | 2018-12-04 | 苏州溥秋智能科技有限公司 | A kind of device for controlling mould group and carrying the control mould group |
| CN209488581U (en) * | 2019-03-08 | 2019-10-11 | 苏州溥秋智能科技有限公司 | A kind of data communication module |
-
2019
- 2019-03-08 CN CN201910178217.4A patent/CN109950975A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5396555A (en) * | 1991-03-19 | 1995-03-07 | Kabushiki Kaisha Toshiba | Power and signal transmission system |
| CN201359765Y (en) * | 2009-02-26 | 2009-12-09 | 浙江天诚电力载波有限公司 | Signal coupling circuit of bidirectional power line |
| CN103412834A (en) * | 2013-07-23 | 2013-11-27 | 中国科学院计算技术研究所 | Single SOC chip and multi-working mode multiplexing method of single SOC chip |
| CN204906238U (en) * | 2015-07-09 | 2015-12-23 | 宁波大学 | Two way brushless motor's control system |
| CN206178004U (en) * | 2016-09-29 | 2017-05-17 | 珠海中慧微电子股份有限公司 | Single -phase state net remote intelligent table printed circuit board |
| CN108562791A (en) * | 2018-07-14 | 2018-09-21 | 苏州溥秋智能科技有限公司 | A kind of data acquisition device |
| CN108931936A (en) * | 2018-08-17 | 2018-12-04 | 苏州溥秋智能科技有限公司 | A kind of device for controlling mould group and carrying the control mould group |
| CN209488581U (en) * | 2019-03-08 | 2019-10-11 | 苏州溥秋智能科技有限公司 | A kind of data communication module |
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