CN206740901U - A kind of safe type intelligent rack - Google Patents
A kind of safe type intelligent rack Download PDFInfo
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- CN206740901U CN206740901U CN201720510951.2U CN201720510951U CN206740901U CN 206740901 U CN206740901 U CN 206740901U CN 201720510951 U CN201720510951 U CN 201720510951U CN 206740901 U CN206740901 U CN 206740901U
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- earth leakage
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Abstract
The utility model discloses a kind of safe type intelligent rack, and provided with earth leakage protective detection unit, the earth leakage protective detection unit includes current generating module, current detection module, contact state detection module, micro-control unit and communication module.External equipment is communicated with communication module, test electric current is produced by communication module and micro-control unit controls current generating module, put on earth leakage protective device to be measured, testing current module and contact state detection module obtain the current value of earth leakage protective device to be measured and contact leads to, disconnected state, micro-control unit is by the logical of current value and contact, disconnected state is sent to external equipment by communication module to be shown, and judge earth leakage protective device to be measured whether normal work, just centralized detecting can be carried out to the earth leakage protective device of intelligent cabinet automatically so as to which staff need not reach intelligent cabinet scene, ensure the Electrical Safety of rack, improve the security that whole intelligent cabinet uses.
Description
Technical field
It the utility model is related to intelligent cabinet field, more particularly to a kind of safe type intelligent rack.
Background technology
Intelligent cabinet refers to possess intelligent constant-temperature, intelligent constant humidity, electric power system monitoring and control, anti-intrusion gate inhibition and cabinet door
The intelligent rack of modernization of the functions such as condition monitoring system, remote centralized management and control, it is effectively realized to conventional cabinet
Intelligent management and monitoring, Centralized Monitoring, centralized maintenance, Concetrated control, few people and unattended, that is, reduce rack maintenance
Workload, improve operating efficiency, be again equipment safety, reliable, stable operation provide guarantee, obtained in every profession and trade
It is widely applied.With the continuous growth of intelligent cabinet usage quantity, the electrical hazard caused by electrical equipment or line electrical leakage
Happen occasionally, the electric shock accidents caused by electric leakage and fire cause thousands of deaths and billions of economic losses, to ensure intelligence
Energy rack Electrical Safety, the generation of electric leakage accident being prevented, existing safeguard measure is usually that earth leakage protective device is installed in rack,
When electric leakage accident occurs, earth leakage protective device is acted within the time of restriction immediately, and auto power off is protected.Therefore,
Whether normal work is most important for earth leakage protective device, and the reliability that it works will directly affect the Electrical Safety of intelligent cabinet, fixed
It is very necessary that phase carries out detection to the service behaviour of earth leakage protective device.It is existing that detection need are carried out to earth leakage protective device performance
Want maintainer periodically to arrive scene and inspection is carried out to each rack earth leakage protective device working condition, this mode manually investigated works
Efficiency is low, wastes a large amount of manpowers, meanwhile, the human factor such as maintainer's missing inspection will also directly affect inspection result, cause to leak
Non-electricity protector breaks down without finding in time, and this brings great hidden danger to whole intelligent cabinet safety utilization of electric power.
Utility model content
The purpose of this utility model is to provide a kind of safe type intelligent rack, electric leakage is provided with the intelligent cabinet cabinet and is protected
Detection unit is protected, the earth leakage protective device in rack can be detected automatically, and is broken down alarm in earth leakage protective device,
So as to preferably ensure the Electrical Safety of whole intelligent cabinet.
In order to solve the above technical problems, the utility model uses following technical scheme：
A kind of safe type intelligent rack, including cabinet body, intelligent monitoring unit and display unit, the intelligent monitoring list
Member includes earth leakage protective device, in addition to earth leakage protective detection unit, the earth leakage protective detection unit including current generating module,
Current detection module, contact state detection module, micro-control unit and communication module,
The current generating module electrically connects with earth leakage protective device, micro-control unit, tests electric current for producing, specifically
Including D/A modular converters, sinusoidal signal generator, programmable amplifier and controlled constant-current source circuit, the D/A modular converters with it is micro-
Control unit electrically connects, and the test current information of the analog quantity for micro-control unit to be set is converted to digital quantity and sent to just
String signal generator；The sinusoidal signal generator electrically connects with D/A modular converters, for what is sent according to D/A modular converters
The test current information of digital quantity produces corresponding sine wave and sent to programmable amplifier；The programmable amplifier and sinusoidal signal
Generator electrically connects, and the sine wave signal for sinusoidal signal generator to be sent sends it to voltage-controlled constant current after being amplified
Source；The controlled constant-current source circuit electrically connects with programmable amplifier, earth leakage protective device, for what is sent according to programmable amplifier
Sine wave signal produces corresponding ac current source, and applies to earth leakage protective device；
The current detection module electrically connects with earth leakage protective device, micro-control unit, for detecting earth leakage protective to be measured
The current value of device, specifically include current detection circuit and A/D modular converters, the current detection circuit and earth leakage protective device and A/
D modular converters electrically connect, for obtaining the current value of earth leakage protective device to be measured, specifically include current transformer, first resistor,
Second resistance, 3rd resistor, the 4th resistance, the 5th resistance, the 6th resistance, the 7th resistance, the first diode, the second diode,
First voltage-regulator diode, the first electric capacity, the second electric capacity, the 3rd electric capacity and voltage comparator, the primary side of the current transformer
For windings in series in earth leakage protective device loop to be measured, the secondary side winding of current transformer is in parallel with first resistor, the one or two pole
, the minus earth of second diode in parallel with the secondary side winding of current transformer after pipe and the second diode parallel connected in reverse phase, the
The anode of two diodes connects through the first electric capacity, 3rd resistor successively through the second capacity earth, another way all the way after second resistance
The input negative terminal of voltage comparator is connect, the input positive terminal of voltage comparator connects the adjustable side of the 6th resistance, and the 6th resistance is consolidated
Fixed end, the first voltage-regulator diode, the 3rd electric capacity are mutually in parallel, and the negative electrode of the first voltage-regulator diode connects external electrical through the 7th resistance
Source anode, the plus earth of the first voltage-regulator diode, the input negative terminal of voltage comparator connect through the 4th resistance, the 5th resistance successively
Connect voltage comparator output end；The A/D modular converters are electrically connected with the microcontrol unit, for obtain current detection circuit
Leakage current signal is converted to digital quantity by analog quantity and sent to micro-control unit；
The contact state detection module electrically connects with earth leakage protective device, micro-control unit, for obtaining earth leakage protective
Device contact switching state, and send it to micro-control unit；
The micro-control unit electrically connects with communication module, is acted for control electric current generation module, while receive electric current
The earth leakage protective device to be measured that the current value and contact state detection module for the earth leakage protective device to be measured that detection module obtains obtain
Contact switching state, and the data of reception are sent to communication module；
The communication module is electrically connected with the microcontrol unit, for micro-control unit and outside data exchange.
Especially, the contact state detection module includes the 8th resistance, the 9th resistance, the tenth resistance, the 4th electric capacity, the
Three diodes, the second voltage-regulator diode, photoelectrical coupler and phase inverter, after the 4th electric capacity is in parallel with the second voltage-regulator diode again with
The negative electrode of the 3rd diode and the tenth resistor coupled in parallel of series connection, the 3rd diode and the second voltage-regulator diode connects through the 9th resistance
Photoelectrical coupler input positive terminal is connect, photoelectrical coupler input negative terminal connects the first phase output terminal of earth leakage protective device, earth leakage protective
First phase input of device connects the 3rd diode anode, the second phase input connection second of earth leakage protective device through the tenth resistance
The anode of voltage-regulator diode, the output plus terminal of photoelectrical coupler connect external power source anode through the 8th resistance all the way, and another way connects
Connect inverter input, the output negativing ending grounding of photoelectrical coupler, inverter output connection micro-control unit.
Especially, the micro-control unit uses ATmega32 single-chip microcomputers.
Especially, the D/A modular converters use DAC0808 chips.
Especially, the A/D modular converters use ADC0809 chips.
Especially, the communication module uses CC1101 chips.
Earth leakage protective is provided with the utility model proposes a kind of safe type intelligent rack, in the intelligent cabinet cabinet to detect
Unit, the earth leakage protective device in rack can be detected automatically, and be broken down alarm in earth leakage protective device, so as to protect
The Electrical Safety of rack is demonstrate,proved, improves the security that whole intelligent cabinet uses.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the utility model embodiment, forms the one of the application
Part, the restriction to the utility model embodiment is not formed.In the accompanying drawings：
Fig. 1 is the earth leakage protective detection cell circuit structured flowchart that the utility model embodiment 1 provides.
Fig. 2 is the current detection module circuit theory diagrams that the utility model embodiment 1 provides.
Fig. 3 is the contact state detection module circuit theory diagrams that the utility model embodiment 1 provides.
Embodiment
For the purpose of this utility model, technical scheme and advantage is more clearly understood, with reference to embodiment and accompanying drawing,
The utility model is described in further detail, and exemplary embodiment of the present utility model and its explanation are only used for explaining this
Utility model, it is not intended as to restriction of the present utility model.
Embodiment 1
Intelligent cabinet refers to possess intelligent constant-temperature, intelligent constant humidity, electric power system monitoring and control, anti-intrusion gate inhibition and cabinet door
The intelligent rack of modernization of the functions such as condition monitoring system, remote centralized management and control, it is effectively realized to conventional cabinet
Intelligent management and monitoring, Centralized Monitoring, centralized maintenance, Concetrated control, few people and unattended, that is, reduce rack maintenance
Workload, improve operating efficiency, be again equipment safety, reliable, stable operation provide guarantee, obtained in every profession and trade
It is widely applied.Existing intelligent cabinet includes cabinet body, intelligent monitoring unit and display unit, wherein, the intelligence prison
Control unit is provided with earth leakage protective device, and when electric leakage accident occurs, earth leakage protective device acts within the time of restriction immediately, from dynamic circuit breaker
Switch power supply is protected.But existing intelligent cabinet can not detect to earth leakage protective device, when earth leakage protective device breaks down
Can not normal disjunction when, great hidden danger will be brought to whole intelligent cabinet safety utilization of electric power.It is a kind of safety-type described in the present embodiment
Intelligent cabinet is additionally provided with earth leakage protective detection unit on the basis of existing intelligent cabinet, as shown in figure 1, Fig. 1 is that this practicality is new
The earth leakage protective detection cell circuit structured flowchart that type embodiment 1 provides.
The earth leakage protective detection unit includes current generating module, current detection module, contact state detection module, micro-
Control unit and communication module.
The method for testing earth leakage protective device performance is to apply test electric current to earth leakage protective device to be measured, tests earth leakage protective device
Rated residual operating current (I △ n), electric leakage actuation time and specified electric leakage non-operating current (I △ n0).The electric current produces
Module electrically connects with earth leakage protective device, micro-control unit, produces test electric current, specifically includes D/A modular converters, sinusoidal signal
Generator, programmable amplifier and controlled constant-current source circuit.The D/A modular converters are electrically connected with the microcontrol unit, by microcontroller
The test current information of the analog quantity of unit setting is converted to digital quantity and sent to sinusoidal signal generator；The sinusoidal signal hair
Raw device electrically connects with D/A modular converters, and the test current information of the digital quantity sent according to D/A modular converters produces accordingly just
String ripple is sent to programmable amplifier；The programmable amplifier is electrically connected with sinusoidal signal generator, and sinusoidal signal generator is sent out
The sine wave signal sent sends it to voltage controlled current source after being amplified；The controlled constant-current source circuit and programmable amplifier electricity
Connection, the sine wave signal sent according to programmable amplifier produce corresponding ac current source.Existing produce tests electric current
Method is to drive the method for pressure regulator to realize either manually or by motor, the uniform increase of this method test electric current difficult to realize,
Therefore the random error of measurement, cause the testing result inaccuracy for treating non-electricity protector performance of leaking hunting, the present embodiment uses microcontroller
Unit controls test electric current in real time, leakage current is uniformly increased, and caused current stability, reliability are high, can effectively improve
Add the degree of accuracy for surveying result.The preferred embodiment of the present embodiment is that the micro-control unit uses ATmega32 single-chip microcomputers, institute
State D/A modular converters and use DAC0808 chips.ATmega32 is 8 8-digit microcontrollers based on enhanced AVR risc architectures, is referred to
Order collection is advanced, and time for each instruction uses single clock cycle, and speed is 8~12 times of common 8051 single-chip microcomputer.Working frequency reaches
16MHz, 32K bytes Flash program storage, 1 bit timing device of hardware 16 and 28 bit timing devices, 4 road PWM outputs, 8 in piece
Road A/D conversions, 1 asynchronous pull-duplex extending serial port, 32 universaling I/O ports.There is low-power consumption, high speed, superpower anti-interference,
There is higher cost performance in like product.
As shown in Fig. 2 Fig. 2 is the current detection module circuit theory diagrams that the utility model embodiment 1 provides.
The current detection module electrically connects with earth leakage protective device, micro-control unit, detects earth leakage protective device to be measured
Current value, specifically include current detection circuit and A/D modular converters.The current detection circuit turns with earth leakage protective device and A/D
Mold changing block electrically connects, and obtains the current value of earth leakage protective device to be measured, specifically includes current transformer TA, first resistor R1, the
Two resistance R2,3rd resistor R3, the 4th resistance R4, the 5th resistance R5, the 6th resistance R6, the 7th resistance R7, the first diode D1,
Second diode D2, the first voltage-regulator diode VD1, the first electric capacity C1, the second electric capacity C2, the 3rd electric capacity C3 and voltage comparator U,
The first side winding of the current transformer TA is series in earth leakage protective device loop to be measured, current transformer TA secondary side around
Group is in parallel with first resistor R1, secondary with current transformer TA after the first diode VD1 and the second diode VD2 parallel connected in reverse phase
Side winding parallel, the second diode VD2 minus earth, the second diode VD2 anode is after second resistance R2 all the way through
Two electric capacity C2 are grounded, the another way input negative terminal through the first electric capacity C1,3rd resistor R3 connection voltage comparators U successively, voltage
Comparator U input positive terminal connects the 6th resistance R6 adjustable side, the 6th resistance R6 fixing end, the first voltage-regulator diode VD1,
3rd electric capacity C3 is mutually in parallel, and for the first voltage-regulator diode VD2 negative electrode through the 7th resistance R7 connection external power source anodes, first is steady
Diode VD1 plus earth is pressed, voltage comparator U input negative terminal is successively through the 4th resistance R4, the 5th resistance R5 connections electricity
Press comparator U output ends.The A/D modular converters are electrically connected with the microcontrol unit, the electric leakage electricity that current detection circuit is obtained
Stream signal is converted to digital quantity by analog quantity and sent to micro-control unit.The preferred embodiment of the present embodiment turns for the A/D
Mold changing block uses ADC0809 chips.Current detection module described in the present embodiment tests current bar by current transformer to applying
The test electric current of earth leakage protective device to be measured under part is sampled, and the secondary side output current signal of current transformer is filtered
Ripple, amplification, voltage increase are transformed to the electrode signal that A/D modular converters can gather, then changed through A/D modular converters
To be sent into micro-control unit after digital quantity, accuracy of detection is high.
As shown in figure 3, Fig. 3 is the contact state detection module circuit theory diagrams that the utility model embodiment 1 provides.
The contact state detection module electrically connects with earth leakage protective device, micro-control unit, obtains earth leakage protective device and touches
Head switching state, and sends it to micro-control unit, specifically include the 8th resistance R8, the 9th resistance R9, the tenth resistance R10,
4th electric capacity C4, the 3rd diode D3, the second voltage-regulator diode VD2, photoelectrical coupler G and phase inverter A, the 4th electric capacity C4 and
It is in parallel with the 3rd diode VD3 to connect and the tenth resistance R10 again after two voltage-regulator diode VD2 parallel connections, the 3rd diode D3 and
Second voltage-regulator diode VD2 negative electrode is through the 9th resistance R9 connection photoelectrical coupler G input positive terminals, photoelectrical coupler G inputs
First phase L1 of negative terminal connection earth leakage protective device output end, the first phase L1 of earth leakage protective device input is through the tenth resistance
The diode D3 anodes of R10 connections the 3rd, the second phase L2 of earth leakage protective device input connect the second voltage-regulator diode VD2 sun
Pole, photoelectrical coupler G output plus terminal are defeated through the 8th resistance R8 connection external power source anodes, another way connection phase inverter A all the way
Enter end, photoelectrical coupler G output negativing ending grounding, phase inverter A output ends connection micro-control unit.When earth leakage protective device is dynamic and static
During contact closure, L1 and L2 alternating current turn on photoelectrical coupler G, phase inverter A outputs are high by rectification, filtering and voltage stabilizing
Current potential.When the dynamic and static contact disjunction of earth leakage protective device, photoelectrical coupler G cut-offs, phase inverter A output low potentials, examined as electric leakage
Survey the mark terminated.It should be noted that in the dynamic and static contact closure of earth leakage protective device, photoelectrical coupler G electric current passes through leakage
One mutually dynamic and static contact of non-electricity protector, size of current is 1~2mA, will not be in the zero sequence in earth leakage protective device due to being direct current
The secondary side of current transformer produces induced-current, and the residual operating current of earth leakage protective device is not influenceed.
The micro-control unit electrically connects with communication module, is moved according to the instruction control electric current generation module of communication module
Make, produce test electric current, put on earth leakage protective device to be measured, while receive the earth leakage protective device to be measured of current detection module acquisition
Current value and the earth leakage protective device contact switching state to be measured that obtains of contact state detection module, and by the data of reception
Send to communication module.When communication module receives after starting test instruction of outside transmission, beginning is sent to micro-control unit
Test instruction, micro-control unit send test current signals, electric current production according to default test current value to current generating unit
Raw unit applies test electric current since less than 0.2I △ n according to test current signals to earth leakage protective device to be measured, in 30s interior lines
Property increase to I △ n, during this period, contact state detection module obtain earth leakage protective device contact switching state, current detecting
The current value of earth leakage protective device to be measured when module detects earth leakage protective device contact switching state, so as to which micro-control unit is treated
Leak hunting the rated residual operating current (I △ n) of non-electricity protector, electric leakage actuation time and specified electric leakage non-operating current (I △ n0),
And send the data of acquisition to communication module, and then send to outside.
To avoid operating efficiency caused by manually being detected to earth leakage protective device performance low, waste of human resource, with
And the problem of testing result inaccuracy, earth leakage protective detection unit described in the present embodiment are provided with communication module, the communication mould
Block is connected with micro-control unit, while connects external equipment by communicating, and realizes the number between external equipment and micro-control unit
According to exchange, operating personnel can be by test of the external equipment remote control to earth leakage protective device, while test result can also
Sent by communication module to external equipment, determine whether earth leakage protective device to be measured whether normal work, and in judged result
To send alarm during earth leakage protective device failure, it is achieved thereby that accurate to automatic, the remote detection of earth leakage protective device, testing result
Really, operating efficiency is high, and effectively reduces cost.The communication module that is preferably implemented as of the present embodiment uses CC1101 cores
Piece.
The technical solution of the utility model, external equipment pass through communication module and micro-control unit controls current generating module
Test electric current is produced, puts on earth leakage protective device to be measured, testing current module obtains the current value of earth leakage protective device to be measured, contact
State detection module obtains the switching state of earth leakage protective device contact to be measured, and micro-control unit is by the electricity of earth leakage protective device to be measured
Flow valuve and the switching state of contact are sent to external equipment by communication module, and external equipment is by the survey of earth leakage protective device to be measured
Examination data are shown, judge earth leakage protective device to be measured whether normal work, intelligent cabinet need not be reached so as to staff
Scene just can carry out centralized detecting to the earth leakage protective device of intelligent cabinet automatically, ensure the Electrical Safety of rack, improve whole
The security that intelligent cabinet uses.
Above-described embodiment, the purpose of this utility model, technical scheme and beneficial effect are entered
One step describes in detail, should be understood that and the foregoing is only specific embodiment of the present utility model, is not used to limit
Determine the scope of protection of the utility model, it is all within the spirit and principles of the utility model, any modification for being made, equally replace
Change, improve, should be included within the scope of protection of the utility model.
Claims (6)
1. a kind of safe type intelligent rack, including cabinet body, intelligent monitoring unit and display unit, the intelligent monitoring unit
Including earth leakage protective device, it is characterised in that the safe type intelligent rack also includes earth leakage protective detection unit, and the electric leakage is protected
Protecting detection unit includes current generating module, current detection module, contact state detection module, micro-control unit and communication mould
Block,
The current generating module electrically connects with earth leakage protective device, micro-control unit, tests electric current for producing, specifically includes
D/A modular converters, sinusoidal signal generator, programmable amplifier and controlled constant-current source circuit, the D/A modular converters and microcontroller
Unit is electrically connected, and the test current information of the analog quantity for micro-control unit to be set, which is converted to digital quantity and sent to sine, to be believed
Number generator；The sinusoidal signal generator electrically connects with D/A modular converters, for the numeral sent according to D/A modular converters
The test current information of amount produces corresponding sine wave and sent to programmable amplifier；The programmable amplifier occurs with sinusoidal signal
Device electrically connects, and the sine wave signal for sinusoidal signal generator to be sent sends it to voltage controlled current source electricity after being amplified
Road；The controlled constant-current source circuit electrically connects with programmable amplifier, earth leakage protective device, for what is sent according to programmable amplifier
Sine wave signal produces corresponding ac current source, and applies to earth leakage protective device；
The current detection module electrically connects with earth leakage protective device, micro-control unit, for detecting earth leakage protective device to be measured
Current value, specifically includes current detection circuit and A/D modular converters, and the current detection circuit turns with earth leakage protective device and A/D
Mold changing block electrically connects, and for obtaining the current value of earth leakage protective device to be measured, specifically includes current transformer, first resistor, the
Two resistance, 3rd resistor, the 4th resistance, the 5th resistance, the 6th resistance, the 7th resistance, the first diode, the second diode,
One voltage-regulator diode, the first electric capacity, the second electric capacity, the 3rd electric capacity and voltage comparator, the primary side of the current transformer around
Group is series in earth leakage protective device loop to be measured, and the secondary side winding of current transformer is in parallel with first resistor, the first diode
With, the minus earth of second diode in parallel with the secondary side winding of current transformer after the second diode parallel connected in reverse phase, second
The anode of diode connects through the first electric capacity, 3rd resistor successively through the second capacity earth, another way all the way after second resistance
The input negative terminal of voltage comparator, the input positive terminal of voltage comparator connect the adjustable side of the 6th resistance, the fixation of the 6th resistance
End, the first voltage-regulator diode, the 3rd electric capacity are mutually in parallel, and the negative electrode of the first voltage-regulator diode connects external power source through the 7th resistance
Anode, the plus earth of the first voltage-regulator diode, the input negative terminal of voltage comparator connect through the 4th resistance, the 5th resistance successively
Voltage comparator output end；The A/D modular converters are electrically connected with the microcontrol unit, for the leakage for obtaining current detection circuit
Electric current signal is converted to digital quantity by analog quantity and sent to micro-control unit；
The contact state detection module electrically connects with earth leakage protective device, micro-control unit, is touched for obtaining earth leakage protective device
Head switching state, and send it to micro-control unit；
The micro-control unit electrically connects with communication module, is acted for control electric current generation module, while receive current detecting
The earth leakage protective device contact to be measured that the current value and contact state detection module for the earth leakage protective device to be measured that module obtains obtain
Switching state, and the data of reception are sent to communication module；
The communication module is electrically connected with the microcontrol unit, for micro-control unit and outside data exchange.
2. safe type intelligent rack according to claim 1, it is characterised in that the contact state detection module includes the
Eight resistance, the 9th resistance, the tenth resistance, the 4th electric capacity, the 3rd diode, the second voltage-regulator diode, photoelectrical coupler and anti-phase
Device, the 4th electric capacity with after the second voltage-regulator diode parallel connection again with the 3rd diode connected and the tenth resistor coupled in parallel, the three or two pole
Pipe connects photoelectrical coupler input positive terminal, photoelectrical coupler input negative terminal with the negative electrode of the second voltage-regulator diode through the 9th resistance
The first phase output terminal of earth leakage protective device is connected, the first phase input of earth leakage protective device connects the 3rd diode through the tenth resistance
Anode, the second phase input of earth leakage protective device connect the anode of the second voltage-regulator diode, the output plus terminal one of photoelectrical coupler
The resistance of Lu Jing eight connection external power source anode, another way connection inverter input, the output negativing ending grounding of photoelectrical coupler,
Inverter output connects micro-control unit.
3. safe type intelligent rack according to claim 1, it is characterised in that the micro-control unit uses ATmega32
Single-chip microcomputer.
4. safe type intelligent rack according to claim 1, it is characterised in that the D/A modular converters use DAC0808
Chip.
5. safe type intelligent rack according to claim 4, it is characterised in that the A/D modular converters use ADC0809
Chip.
6. safe type intelligent rack according to claim 1, it is characterised in that the communication module uses CC1101 cores
Piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720510951.2U CN206740901U (en) | 2017-05-10 | 2017-05-10 | A kind of safe type intelligent rack |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720510951.2U CN206740901U (en) | 2017-05-10 | 2017-05-10 | A kind of safe type intelligent rack |
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| CN206740901U true CN206740901U (en) | 2017-12-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110855776A (en) * | 2019-11-11 | 2020-02-28 | 辽宁工程技术大学 | Electric cabinet monitoring and control system and method based on Internet of things |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110855776A (en) * | 2019-11-11 | 2020-02-28 | 辽宁工程技术大学 | Electric cabinet monitoring and control system and method based on Internet of things |
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