CN208351282U - Industrial internet of things net controller - Google Patents
Industrial internet of things net controller Download PDFInfo
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- CN208351282U CN208351282U CN201820497473.0U CN201820497473U CN208351282U CN 208351282 U CN208351282 U CN 208351282U CN 201820497473 U CN201820497473 U CN 201820497473U CN 208351282 U CN208351282 U CN 208351282U
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Abstract
The utility model discloses a kind of industrial internet of things net controller, including central processing unit and the input module connecting with central processing unit, the first communication module, output module and power-off selftest module；By the various digital-to-analogue data of input module collection site, central processing unit handles the digital-to-analogue data of acquisition, and carries out data interaction by the first communication module and extremely external Cloud Server, then passes through output module and control field device operation.It is equipment power supply using standby power unit in device powers down；Outage detection unit generates power-off signal and is transmitted to central processing unit when detecting power-off, carries out self-test under central processing unit control according to power-off signal；And alarm unit is made to alarm.The utility model integrated level is high, by input module and central processing unit with the use of the product for realizing cross-cutting industry, universal strong, and has power-off self-test warning function, reminds user in time, reduce loss.
Description
Technical field
The utility model relates to industrial internet of things field more particularly to a kind of industrial internet of things net controller.
Background technique
Internet of Things is the highly integrated and integrated use of generation information technology, with permeability is strong, induced effect is big, comprehensive
Close profitable feature.With the development of technology of Internet of things, Internet of Things is also increasingly extensive in the application of industrial circle, it is greatly
Change manufacture, the energy, communications and transportation, city, medical treatment and other industrial trades.Industrial Internet of Things may be implemented raw to industry
The full-range perception of manufacture and control are produced, having become enterprise reduces cost of labor, reduces production consumption, guarantees that equipment is reliable
Property, improve product quality, and the main means strengthened core competitiveness.
Currently, industrial Internet of Things control technology develops also more slowly at home, and existing industry internet of things net controller, one
As built by multiple discrete controllers, be confined to some industry or field, the adaptation of product of cross-cutting industry is low,
Communication efficiency is low, at high cost；And when encountering power-off, cannot and alarm, be easy to cause loss.
Utility model content
The object of the present invention is to provide a kind of industrial internet of things net controller, and integrated level is high, passes through input module and center
Processor has power-off self-test warning function with the use of the product for realizing cross-cutting industry, universal strong, reminds in time
User reduces loss.
The utility model provides a kind of industrial internet of things net controller, including input module, central processing unit, the first communication
Module, output module and power-off selftest module；
The input module connects the central processing unit, for acquiring digital-to-analogue data；
The central processing unit is separately connected the output module and the first communication module, right for receiving digital-to-analogue data
The digital-to-analogue data are handled, and carry out data interaction by first communication module and external Cloud Server；
The output module, for exporting the digital data handled by the central processing unit；
The power-off selftest module, is separately connected external main power source and the central processing unit, for detecting power-off
When, carry out self-test and alarm；
The power-off selftest module includes standby power unit, outage detection unit and alarm unit；
The standby power unit, for after a loss of power, being the outage detection unit, alarm unit and central processing
Device control power supply；
The outage detection unit is separately connected the external main power source, central processing unit and standby power unit, when
When detecting power-off, generates power-off signal and be transmitted to the central processing unit, according to the power-off signal in the central processing
Device control is lower to carry out self-test；
The alarm unit connects the central processing unit, for being broken under central processing unit control according to described
Electric signal is alarmed.
As an embodiment, the standby power unit include super capacitor, the first zener diode D1 and
First resistor R1；
The super capacitor, one end ground connection, the other end respectively with the anode of the first zener diode D1 and the
One end of one resistance R1 connects.
As an embodiment, the power-off selftest module further includes voltage-stabilizing protection unit；
The voltage-stabilizing protection unit is connect with the external main power source and outage detection unit comprising height presses off respectively
Close the peripheral circuit of the power regulator U1 and high-voltage switch power supply voltage-stablizer U1.
As an embodiment, the alarm unit is buzzer, alarm lamp and the second communication module
It is a kind of.
As an embodiment, the input module includes digital quantity input unit and analog input unit；
The digital quantity input unit, connects the central processing unit, for acquiring input digital data；
The analog input unit connects the central processing unit, for acquiring input analog data.
As an embodiment, the digital quantity input unit includes the first transistor output photoelectric coupler U35
And the peripheral circuit of the first transistor output photoelectric coupler U35.
As an embodiment, the analog input unit includes positive electricity voltage-stablizer U6 and operational amplifier U5；
The positive electricity voltage-stablizer U6, operational amplifier U5 and the central processing unit are sequentially connected in series.
As an embodiment, the output module is digital output unit；
The digital output unit, connects the central processing unit, handles to obtain by central processing unit for exporting
Digital data.
As an embodiment, the digital output unit includes second transistor output photoelectric coupler U39
And the peripheral circuit of the second transistor output photoelectric coupler U39.
As an embodiment, industrial internet of things net controller provided by the utility model further includes interface module；
The interface module is connect, for providing expansion interface with the central processing unit；
The interface module includes network interface, RS485 interface, USB interface, CAN interface and com interface.
Compared with prior art, the technical program has the advantage that
It is provided by the utility model industry internet of things net controller include input module, central processing unit, the first communication module,
Output module and power-off selftest module；Central processing unit respectively with input module, the first communication module, output module and disconnected
Electric selftest module connection；By the various digital-to-analogue data of input module collection site, central processing unit is by the digital-to-analogue data of acquisition
It is handled, and data interaction is carried out by the first communication module and extremely external Cloud Server, then is existing by output module control
Field device operation.It is equipment power supply using standby power unit in device powers down；Outage detection unit is detecting power-off
When, it generates power-off signal and is transmitted to central processing unit, self-test is carried out under central processing unit control according to power-off signal；And make to report
Alert unit alarm.The utility model integrated level is high, by input module and central processing unit with the use of the cross-cutting row of realization
The product of industry, universal strong, and there is power-off self-test warning function, user is reminded in time, reduces loss.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the industrial internet of things net controller that the utility model embodiment one provides；
Fig. 2 is the partial structural diagram in Fig. 1 with power-off selftest module；
Fig. 3 is the electrical block diagram of standby power unit in Fig. 2；
Fig. 4 is the electrical block diagram of voltage-stabilizing protection unit in Fig. 2；
Fig. 5 is the electrical block diagram of digital quantity input unit；
Fig. 6 is the electrical block diagram of analog input unit；
In figure: 1, input module；11, digital quantity input unit；12, analog input unit；2, central processing unit；3,
One communication module；4, output module；5, interface module；6, selftest module is powered off；61, standby power unit；62, outage detection list
Member；63, alarm unit；64, voltage-stabilizing protection unit；7, memory module；8, display screen；9, external main power source.
Specific embodiment
Below in conjunction with attached drawing, the above and other technical features and advantages of the present invention are carried out clearly and completely
Description, it is clear that described embodiment is only the section Example of the utility model, rather than whole embodiments.
Please refer to Fig. 1 and Fig. 2, the industrial internet of things net controller that the utility model embodiment one provides, including input module
1, central processing unit 2, the first communication module 3, output module 4 and power-off selftest module 6；Input module 1 connects central processing
Device 2, for acquiring digital-to-analogue data；Central processing unit 2 is separately connected output module 4 and the first communication module 3, for receiving digital-to-analogue
Data, logarithmic mode data are handled, and carry out data interaction by the first communication module 3 and external Cloud Server；Export mould
Block 4, which is used to export, handles obtained digital data by central processing unit 2；Selftest module 6 is powered off, external main electricity is separately connected
Source 9 and central processing unit 2, for carrying out self-test and alarm when detecting power-off.
Powering off selftest module 6 includes standby power unit 61, outage detection unit 62 and alarm unit 63；Backup power source
Unit 61 is for after a loss of power, being outage detection unit 62, alarm unit 63 and the control power supply of central processing unit 2；Power-off inspection
It surveys unit 62 and is separately connected external main power source 9, central processing unit 2 and standby power unit 61, when detecting power-off, generate
Power-off signal is transmitted to central processing unit 2, carries out self-test under the control of central processing unit 2 according to power-off signal；Alarm unit 63
Central processing unit 2 is connected, for alarming under the control of central processing unit 2 according to power-off signal.
It should be noted that input module 1 can be the various acquisition equipment in scene of collection in worksite data/address bus connection, such as
Temperature, flow, pressure, motor, in-line analyzer, fire alarm, fresh air system HVAC system, supply and drain water system, swarm into system,
Distribution system etc. acquires equipment, and collected digital-to-analogue data are inputted.E.g., including 12 acquisition different industries products are set
Standby collection in worksite data/address bus, 4 digital quantity input modules 1 for being directly acquire inputted digital quantity and 4 are for straight
Connect the Analog input mModule 1 of acquisition input analog quantity.Here acquisition equipment includes sensor, analyzer etc..
Central processing unit 2 handle can be to the data received carries out digital-to-analogue or modulus turn to the data of each acquisition
It changes, is also possible to the data handling procedures such as classified to acquisition data, encapsulate, compress, data are arranged, mitigate first
The pressure that communication module 3 transmits data, also improves transmission rate.And output module 4 passes through central processing unit 2 for exporting
Obtained digital data is handled, can be what the digital-to-analogue data acquired to input module 1 were obtained by the processing of central processing unit 2
Digital data；It is also possible to the digital quantity number handled by the data obtained to external Cloud Server data interaction
According to.
Self-test and alarm that selftest module 6 carries out are powered off, can be in 2 pre-set programs of central processing unit, in centre
Reason device 2 runs pre-set programs after receiving power-off signal, carries out self-test and the first communication module 3 of control or the second communication module is pressed
Warning message is sent to destination number according to the content of setting.It in normal work, the use of external main power source 9 is entire controller
It is powered, including charges for standby power unit 61 always, standby power unit 61 is made to be in full power state；It is powering off
When, standby power unit 61 can be to be powered for entire controller, is also possible to only be supplied for crucial several modules
Electricity.For example, central processing unit 2, the first communication module 3 and power-off selftest module 6, carry out the utility model normally
Power-off self-test and alarm.A circuit breaking controller can be separately provided for receiving power-off signal in power-off selftest module 6, break
Electric controller generates self-test signal and alarm signal according to power-off signal.
Industry internet of things net controller provided by the utility model includes input module 1, the communication mould of central processing unit 2, first
Block 3, output module 4 and power-off selftest module 6；Central processing unit 2 respectively with input module 1, the first communication module 3, output
Module 4 and power-off selftest module 6 connect；By the various digital-to-analogue data of 1 collection site of input module, central processing unit 2 will
The digital-to-analogue data of acquisition are handled, and carry out data interaction by the first communication module 3 and extremely external Cloud Server, then pass through
Output module 4 controls field device operation, powers off selftest module 6 in device powers down, can be carried out self-test and alarm.It is disconnected in equipment
It is equipment power supply using standby power unit 61 when electric；Outage detection unit 62 generates power-off signal and passes when detecting power-off
Central processing unit 2 is transported to, self-test is carried out under the control of central processing unit 2 according to power-off signal；And alarm unit 63 is made to alarm.This
Utility model integrated level is high, general by input module 1 and central processing unit 2 with the use of the product for realizing cross-cutting industry
Type is strong, and has power-off self-test warning function, reminds user in time, reduces loss.
In order to improve versatility, alarm unit 63 is one kind of buzzer, alarm lamp and the second communication module.Than
When such as using buzzer, to sound an alarm sound according to alarm signal；When using alarm lamp, is flashed and reported according to alarm signal
Alert indicator light；When using the second communication module, after a loss of power, the data in need communicated wirelessly all pass through the second communication
Module carries out, and reduces the burden of standby power unit 61, increases supporting time.
It is illustrated in figure 3 the electrical block diagram of standby power unit 61；Standby power unit 61 include super capacitor,
First zener diode D1 and first resistor R1；Super capacitor, one end ground connection, the other end respectively with two pole of the first pressure stabilizing
The anode of pipe D1 is connected with one end of first resistor R1.Super capacitor be one kind between traditional capacitor and battery, have
The power supply of property relies primarily on electric double layer and Redox pseudocapacitance charge storage electric energy.In normal work, using outer
Portion's main power source 9 is super capacitor charging by the first zener diode D1 and first resistor R1, is allowed in full power state；It is sending out
When raw power-off, super capacitor can be by the first zener diode D1 and first resistor R1 and be powered for entire controller,
And first zener diode D1 ensure that circuit output.
It is illustrated in figure 4 the electrical block diagram of voltage-stabilizing protection unit 64；In order to guarantee the stability used and safety
Property, power-off selftest module 6 further includes voltage-stabilizing protection unit 64；Voltage-stabilizing protection unit 64 is examined with external main power source 9 and power-off respectively
It surveys unit 62 to connect comprising the peripheral circuit of high-voltage switch power supply voltage-stablizer U1 and high-voltage switch power supply voltage-stablizer U1.
The peripheral circuit of high-voltage switch power supply voltage-stablizer U1 and high-voltage switch power supply voltage-stablizer U1 are specifically, high-voltage switch gear is electric
No. 1 pin of source voltage-stablizer U1 is separately connected the cathode of the second zener diode D2, one end of first capacitor C1 and the first electricity
Press output end；The anode connection second voltage output end of second zener diode D2.No. 3 of high-voltage switch power supply voltage-stablizer U1
The other end of pin, No. 5 pins and first capacitor C1 is connected and is grounded.No. 2 pins of high-voltage switch power supply voltage-stablizer U1
The cathode for being separately connected third zener diode D3 is connected with one end of induction coil L1；The other end of induction coil L1 is distinguished
Connect one end of the second capacitor C2, one end of third capacitor C3, one end of second resistance R2 and third output end；Third pressure stabilizing
The other end of the anode of diode D3, the other end of the second capacitor C2 and third capacitor C3 is connected and is grounded；Second resistance
The other end of R2 is connect with one end of No. 4 pins of high-voltage switch power supply voltage-stablizer U1 and 3rd resistor R3 respectively；3rd resistor
The other end of R3 is grounded.By the external main power source 9 of high-voltage switch power supply voltage-stablizer U1 connection, by the high-voltage electricity of external main power source 9
Low-voltage DC use is converted to, outage detection unit 62 is connected by third output end.
Further, the first communication module 3 includes at least one in 4G network module, WiFi module and ethernet module
Kind.First communication module 3 realizes that data quickly upload.
Further, input module 1 includes digital quantity input unit 11 and analog input unit 12；Digital quantity input is single
Member 11 connects central processing unit 2, for acquiring input digital data；Analog input unit 12 connects central processing unit 2, uses
Analog data is inputted in acquisition.
Digital quantity input unit 11 and analog input unit 12 are described in detail respectively below:
As shown in figure 5, the electrical block diagram of digital quantity input unit 11；Digital quantity input unit 11 includes first brilliant
The peripheral circuit of body pipe output photoelectric coupler U35 and the first transistor output photoelectric coupler U35.
The peripheral circuit of the first transistor output photoelectric coupler U35 and the first transistor output photoelectric coupler U35 tool
Body is that No. 1 pin, No. 3 pins, No. 5 pins and No. 7 pins of the first transistor output photoelectric coupler U35 are connected respectively
There is a resistance, and these resistor coupled in parallel are connect with the energization input of 24VH together, that is, receives opening for input external high voltage
OFF signal.No. 10 pins of the first transistor output photoelectric coupler U35, No. 12 pins, No. 14 pins and No. 16 pins with
The energization input of 3.3V connects.No. 9 pins of the first transistor output photoelectric coupler U35, No. 11 pins, No. 13 pins with
And No. 15 pins have been sequentially connected in series a resistance and a light emitting diode, and these pins are connect with central processing unit 2, institute
There is the cathode of light emitting diode to be connected to be grounded.By the way that the switching signal of external high voltage to be changed into the low and high level of 0-3.3V,
Most central processing unit 2 is sent to be handled.Central processing unit 2 judges external status by the variation of low and high level.In other
In embodiment, digital quantity input unit 11 can also be made of other interlock circuits, in this and be not limited.
As shown in fig. 6, the electrical block diagram of analog input unit 12；Analog input unit 12 includes that positive electricity is steady
Depressor U6 and operational amplifier U5；Positive electricity voltage-stablizer U6, operational amplifier U5 and central processing unit 2 are sequentially connected in series.It needs
It is bright, in actual use, it is also necessary to cooperate associated peripheral circuits.In this present embodiment, circuit specially can be.Just
No. 1 pin of electric voltage-stablizer U6 is grounded after connecting with two-way transient supression diode TVS1.No. 2 pins of positive electricity voltage-stablizer U6 and
No. 3 pins are connected.Between No. 7 pins of positive electricity voltage-stablizer U6 and No. 3 pins of operational amplifier U5 successively with the 18th resistance
R18, the 6th diode D6, the 19th resistance R19, the 20th resistance R20, the 21st resistance R21 and the 22nd resistance
R22 series connection；The anode of 6th diode D6 is separately connected No. 4 pins of the 18th resistance R18 and positive electricity voltage-stablizer U6；Second
14 resistance R24, one end ground connection, the other end are connected with the 19th resistance R19 and the 20th resistance R20 respectively；17th
Capacitor C17, one end ground connection, the other end are connected with the 20th resistance R20 and the 21st resistance R21 respectively；18th electricity
Hold C18, one end ground connection, the other end is connected with the 21st resistance R21 and the 22nd resistance R22 respectively；25th
After resistance R25 is in parallel with the 19th capacitor C19, their one end ground connection, their other ends are separately connected the 22nd resistance R22 and fortune
Calculate the 3rd pin of amplifier U5.The 4th pin of operational amplifier U5 is grounded.The 6th pin of operational amplifier U5 is separately connected fortune
Calculate one end of the 2nd pin and the 23rd resistance R23 of amplifier U5, the other end connection the 20th of the 23rd resistance R23
Capacitor C20 and the 2, the 20th capacitor C20 of central processing unit are also grounded as a protection capacitor.Draw the 7th of operational amplifier U5
Foot connects the energization input and the 16th capacitor C16 of 5V, and the 16th capacitor C16 is also grounded.Acquisition input analog data,
Voltage signal is changed into again is sent to central processing unit 2.In other embodiments, analog input unit 12 can also be by other phases
Powered-down road composition, in this and is not limited.
Further, output module 4 is digital output unit；Digital output unit connects central processing unit 2, is used for
Output handles obtained digital data, control field device operation by central processing unit 2.Digital output unit includes the
The peripheral circuit of two-transistor output photoelectric coupler U39 and second transistor output photoelectric coupler U39.Pass through the second crystal
The peripheral circuit of pipe output photoelectric coupler U39 and second transistor output photoelectric coupler U39 export central processing unit 2
Low and high level signal be converted to external switch signal, control field device operation.
Further, the industrial internet of things net controller that the utility model embodiment two provides further includes interface module 5；Interface
Module 5 is connect with central processing unit 2, for providing expansion interface.The data of some acquisition equipment acquisitions can be passed through into interface
Module 5 is inputted.The main effect of interface module 5 is to make outside by interface module 5 for providing the interface of extension function
Expansion module and central processing unit 2, which are realized, to be connected.For example, interface module 5 can be set wireless communication module, realize directly with
Some acquisition equipment with wireless communication module communicate wirelessly, data acquisition, it is of course possible to connect other extensions
Module, such as electric leakage monitoring modular, energy saving adjustment module and analog output module 4 etc..
Further, interface module 5 includes network interface RS485 interface, USB interface, CAN interface and COM interface.
RS485 interface and CAN interface, which may be used to establish with other controllers, to be communicated to connect.It is above-mentioned be equipped with interface can be set it is more
It is a, realize that the received data of multiple controllers carry out processing upload, it is universal good.
The industrial internet of things net controller that the utility model embodiment three provides further includes memory module 7；Memory module 7 connects
Central processing unit 2, for storing the data of history.Can be using the historical data of storage as reference data, it can be according to history
Data establish database, prejudge the operating status of field device, as the accumulation of historical data becomes the control of field device
It is more accurate.
In order to facilitate use, the industrial internet of things net controller that the utility model embodiment four provides further includes with man-machine friendship
Mutual display screen 8；Human-computer interaction interface connects central processing unit 2, for providing man-machine interactive operation and showing data.User
Instruction is inputted by the display screen 8 with human-computer interaction, field device operation can be directly controlled.
Although the utility model has been described by way of example and in terms of the preferred embodiments, but it is not to appoint for limiting the utility model
What those skilled in the art without departing from the spirit and scope of the utility model, may be by the method and skill of the disclosure above
Art content makes possible variation and modification to technical solutions of the utility model, therefore, all without departing from the utility model technology
The content of scheme, it is made by the above technical examples according to the technical essence of the present invention it is any it is simple modification, equivalent variations and
Modification, belongs to the protection scope of technical solutions of the utility model.
Claims (10)
1. a kind of industry internet of things net controller, which is characterized in that including input module, central processing unit, the first communication module, defeated
Module and power-off selftest module out；
The input module connects the central processing unit, for acquiring digital-to-analogue data；
The central processing unit is separately connected the output module and the first communication module, for receiving digital-to-analogue data, to described
Digital-to-analogue data are handled, and carry out data interaction by first communication module and external Cloud Server；
The output module, for exporting the digital data handled by the central processing unit；
The power-off selftest module, is separately connected external main power source and the central processing unit, for when detecting power-off, into
Row self-test and alarm；
The power-off selftest module includes standby power unit, outage detection unit and alarm unit；
The standby power unit, for after a loss of power, being the outage detection unit, alarm unit and central processing unit control
System power supply；
The outage detection unit is separately connected the external main power source, central processing unit and standby power unit, works as detection
To when power-off, generates power-off signal and be transmitted to the central processing unit, according to the power-off signal in the central processing unit control
System is lower to carry out self-test；
The alarm unit connects the central processing unit, for being believed under central processing unit control according to the power-off
It number alarms.
2. industry internet of things net controller as described in claim 1, which is characterized in that the standby power unit includes super electricity
Appearance, the first zener diode D1 and first resistor R1；
The super capacitor, one end ground connection, the other end are electric with the anode of the first zener diode D1 and first respectively
Hinder one end connection of R1.
3. industry internet of things net controller as described in claim 1, which is characterized in that the power-off selftest module further includes pressure stabilizing
Protection location；
The voltage-stabilizing protection unit is connect with the external main power source and outage detection unit comprising high-voltage switch gear electricity respectively
The peripheral circuit of source voltage-stablizer U1 and the high-voltage switch power supply voltage-stablizer U1.
4. industry internet of things net controller as described in claim 1, which is characterized in that the alarm unit is buzzer, alarm
One kind of indicator light and the second communication module.
5. industry internet of things net controller as described in claim 1, which is characterized in that the input module includes digital quantity input
Unit and analog input unit；
The digital quantity input unit, connects the central processing unit, for acquiring input digital data；
The analog input unit connects the central processing unit, for acquiring input analog data.
6. industry internet of things net controller as claimed in claim 5, which is characterized in that the digital quantity input unit includes first
The peripheral circuit of transistor output photoelectric coupler U35 and the first transistor output photoelectric coupler U35.
7. industry internet of things net controller as claimed in claim 5, which is characterized in that the analog input unit includes positive electricity
Voltage-stablizer U6 and operational amplifier U5；
The positive electricity voltage-stablizer U6, operational amplifier U5 and the central processing unit are sequentially connected in series.
8. industry internet of things net controller as described in claim 1, which is characterized in that the output module is digital output list
Member；
The digital output unit, connects the central processing unit, for exporting the number for passing through central processing unit and handling
Word amount data.
9. industry internet of things net controller as claimed in claim 8, which is characterized in that the digital output unit includes second
The peripheral circuit of transistor output photoelectric coupler U39 and the second transistor output photoelectric coupler U39.
10. industry internet of things net controller as described in claim 1, which is characterized in that further include interface module；
The interface module is connect, for providing expansion interface with the central processing unit；
The interface module includes network interface, RS485 interface, USB interface, CAN interface and com interface.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721034155 | 2017-08-17 | ||
| CN2017210341552 | 2017-08-17 |
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| CN208351282U true CN208351282U (en) | 2019-01-08 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109521719A (en) * | 2019-01-14 | 2019-03-26 | 深圳灿态信息技术有限公司 | Intelligent collector |
| CN111555715A (en) * | 2020-05-11 | 2020-08-18 | 厦门昊亮能源科技有限公司 | Solar panel with intelligent safety monitoring system |
| CN111964348A (en) * | 2020-07-20 | 2020-11-20 | 四川虹美智能科技有限公司 | Refrigerator power-off reminding device, method and system |
-
2018
- 2018-04-09 CN CN201820497473.0U patent/CN208351282U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109521719A (en) * | 2019-01-14 | 2019-03-26 | 深圳灿态信息技术有限公司 | Intelligent collector |
| CN109521719B (en) * | 2019-01-14 | 2023-09-26 | 深圳灿态信息技术有限公司 | Intelligent collector |
| CN111555715A (en) * | 2020-05-11 | 2020-08-18 | 厦门昊亮能源科技有限公司 | Solar panel with intelligent safety monitoring system |
| CN111964348A (en) * | 2020-07-20 | 2020-11-20 | 四川虹美智能科技有限公司 | Refrigerator power-off reminding device, method and system |
| CN111964348B (en) * | 2020-07-20 | 2022-05-10 | 四川虹美智能科技有限公司 | Refrigerator power-off reminding device, method and system |
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