CN206164068U - Circuit breaker system - Google Patents
Circuit breaker system Download PDFInfo
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- CN206164068U CN206164068U CN201621001271.XU CN201621001271U CN206164068U CN 206164068 U CN206164068 U CN 206164068U CN 201621001271 U CN201621001271 U CN 201621001271U CN 206164068 U CN206164068 U CN 206164068U
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- circuit breaker
- breaker
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Abstract
The utility model relates to a circuit breaker system belongs to circuit breaker technical field. Its power module, temperature induction module, data acquisition module, detachable lightning protection module, button input module, information processing module MCU, display module, executable module and communication module. The utility model discloses temperature conditions that can real -time supervision circuit breaker circuit prevents because high temperature and produce the trouble, data acquisition module then through three -phase load in service behavior in the real -time supervision circuit, avoids the equipment damage and the casualties that lead to owing to " disconnected zero " trouble, simultaneously, the installation of time control load module makes the load conditions in the circuit found more easily, and the cooperation data acquisition module use, the security that has improved circuit breaker and circuit, can dismantle the lightning protection module and improve the safety in utilization of circuit breaker under thunderstorm weather, start with from temperature, the circuit load circumstances, load time control switching and these four aspects of lightning protection, improve the safety in utilization of circuit breaker, circuit and load comprehensively.
Description
Technical field
The utility model is related to circuit breaker system, belongs to breaker technical field.
Background technology
For power department, switch switchgear is to ensure Electrical Safety, carry out that circuit switching is requisite to be set
It is standby.
During the installing and using of breaker, it is because binding post is not tightened that many breakers are damaged, burn phenomenon
Or the later stage loosen after cause terminal spot temperature too high and occur damage, burn phenomenon.Because such phenomenon is by big electricity
Stream flows through the conductor node of loose contact and caused heating, and particularly in summer, problems are more serious.
In addition to temperature problem, in operation the disconnection of N lines is that " off zero " failure happens occasionally to breaker, single-phase when existing
Under loading condition, threephase load is mostly uneven, causes neutral displacement, when there is failure off zero, phase voltage will be caused unexpected
Raise, beyond more than 1.3 times of specified phase voltage, certainly will so cause single-phase device damage, threephase motor normally to run,
What is more also can result in casualties.
Power supply department it is administered each can only provide a limit for tonnage value with the power consumption of electric unit, this is according to each
The electric energy that may be supplied with the electricity consumption peak value and power supply department of electric unit is estimated the numerical value for drawing.But certain power supply department pipe
Large quantities of use electric units of linchpin are widely different in the power consumption of daily different time sections, the load current size also phase that circuit is produced
Difference is very remote, and peak of power consumption is likely to be breached hundreds of ampere, but perhaps only more than ten amperes during low ebb.In peak of power consumption, if gone out
When existing load current is excessive, breaker can play a protective role, but in low power consumption, due to load current it is little, and shelves
Position cannot determine the generation of failure sometimes again than larger.
More than it is breaker more to frequently occur during use and breakneck situation, therefore, in order to more
Plus safely how to avoid these problems as far as possible using breaker and electricity consumption, it has also become current circuit breaker system technical research
Emphasis.
The content of the invention
The purpose of this utility model is to overcome above-mentioned deficiency present in prior art, and providing one kind can supervise in real time
The temperature and loading condition of breaker are surveyed, the circuit breaker system of real-time guard is carried out to breaker.
The technical scheme in the invention for solving the above technical problem is：Circuit breaker system, it is characterised in that：Including electricity
Source module, temperature sense module, data acquisition module, keyboard input module, message processing module, display module, performing module
And communication module；The power module provides suitable power input and collection semaphore for circuit breaker system；The temperature sense
Answer the temperature change of module feedback circuit breaker system；The data acquisition module is responsible for gathered data, including neutral line current sampling
Portion, voltage sample portion, load current sampling unit and leakage current sampling unit, intelligence sample are carried out respectively to breaker and will be sampled
Information transmission is to message processing module；The keyboard input module realizes human-computer interaction；Described information processing module is received and located
Manage the information from the power module, temperature sense module, data acquisition module and keyboard input module and will calculate
To performing module, display module also receive information and shows information transmission simultaneously；The communication module realizes message processing module
With the information transmission of outside host computer.
The temperature variations of temperature sense module monitor in real time breaker, and message processing module is passed information to,
Information by after the analytic operation of message processing module, if result is that temperature is too high, message processing module assign signal to
Performing module cuts off circuit；If result is temperature in safe range, breaker remains on state.Data acquisition module is born
Duty carries out data acquisition to neutral line current, voltage, load current and leakage current, and passes to message processing module.These letters
The loading condition of the direct or indirect reaction breaker of breath and user side, after the analytical calculation of message processing module, i.e.,
The Electrical Safety situation of user can be learnt, immediately letter is assigned by message processing module if showing that loading condition is abnormal after analysis
Number give performing module cut-out circuit, so as to ensure the safety of breaker and user side.Temperature sense module and data acquisition module
Cooperation avoid the use failure that breaker is typically easy to encounter, directly enhance safety in utilization and the user of breaker
The safety of end electrical appliance.
Further, the temperature sense module includes temperature induction part and amplifier conditioning portion；The temperature induction part connects
It is connected on the two ends of breaker terminals；The signal that the amplifier conditioning portion produces temperature induction part passes to after treatment information
Processing module；Described information processing module is analyzed after computing the state of temperature for judging breaker terminals to the signal after process
Afterwards, then the performing module is passed information to.
Temperature induction part is connected to the two ends of breaker terminals can in real time sense the temperature change at terminal two ends, and temperature
Change will cause the information in temperature induction part to change.Temperature induction part subsequently nurses one's health the information transmission of change to amplifier
Portion carries out sending signal processing module to after signal magnitude conditioning.Signal processing module is received after information, and then carries out computing
Analysis, information is contrasted with the data for setting in advance, you can judge the temperature at now breaker terminals two ends whether mistake
It is high.If analysis result is that temperature is normal, breaker normally runs；If analysis result is judged as that temperature is too high, signal transacting
Module can assign an instruction to follow-up brake separating mechanism, and generation is reported to the police and forces disconnecting circuit protective breaker.
Further, the temperature induction part includes being connected on the thermistor RT and fixed resistance at breaker terminals two ends
R1, wherein thermistor RT are grounded, and fixed resistance R1 is then connected on the positive pole of terminal；The amplifier conditioning portion includes fixed resistance
R2, fixed resistance R3, fixed resistance R4, fixed resistance R5 and four road operational amplifiers；The positive and negative terminal of the thermistor RT point
The input port two and input port three of four road operational amplifier Chuan Lian not be accessed after fixed resistance R2 and fixed resistance R3
On；The fixed resistance R4 two ends connect respectively the input port two and output port one of four road operational amplifiers；The fixation
The output port one and message processing module of resistance R5 two ends difference concatenation operation amplifier；Four road operational amplifier according to
Both positive and negative polarity accesses power module.
Further, the neutral line current sampling unit includes current transformer, signal conversion and amplitude limiter circuit and low pass filtered
Wave circuit；The current transformer is connected on zero line, and current signal can be converted into voltage by the signal conversion and amplitude limiter circuit
Signal is simultaneously carried out after amplitude limit, then pass to low-pass filter circuit to it；The low-pass filter circuit filters out the interference of high band
Again by signal transmission to message processing module after signal；Described information processing module is after calculating and analyzing by instruction issuing to institute
State performing module.
Current transformer is connected on zero line, can perceive the size of the electric current for flowing through zero line, subsequently by this current signal
Signal conversion and amplitude limiter circuit are passed to, voltage signal is converted into current signal and by voltage by signal conversion and amplitude limiter circuit
The size of signal carries out amplitude limit so that is delivered to the voltage signal on low-pass filter circuit and is in certain scope.Low pass filtered
Wave circuit is received after voltage signal, is once more filtered out the interference signal of high band, is ultimately transferred to MCU.MCU is received
After signal, by calculating analysis, the data for setting in advance are contrasted, then to assigning that control performing module is instructed.
Further, the circuit breaker system also has time control loading functional；Coordinate keyboard input module and display module
After entering the setting of line program to message processing module, performing module can have both been coordinated to realize.The time control load blocks and information
Processing module connects, and realizes setting and the feedback of data；Described information processing module according to data results assign instruction to
Performing module, so as to change the state of performing module；The performing module includes earth leakage circuit-breaker S1 and earth leakage circuit-breaker
S2, the earth leakage circuit-breaker S1 and earth leakage circuit-breaker S2 is in parallel, is one end and is connected with message processing module, another termination
Ground.
With the program set in advance by keyboard input module and display module in message processing module, by adjustment
The switch of earth leakage circuit-breaker S1 and S2 is changing use state.Be now peak times of power consumption when message processing module is detected
When, assign instruction and be adjusted to high tap position state to performing module so that breaker can play a part of to protect electrical appliance；Work as letter
Breath processing module is detected when being now electricity consumption low peak period, then assign instruction and be adjusted to low-grade location state to performing module, so as to
The gear of tripping current protection at times is realized, increases the protection to circuit；When electric current exceedes specified gear at that time, at information
Reason module can assign instruction and give performing module disconnecting circuit.
Further, circuit breaker system also includes dismountable lightning-protection module, and the lightning-protection module includes electric power incoming line IN
End, the Anti-surging choke inductor L1 of power outlet OUT terminal, zero line, A phases, piezo-resistance RV1 and resettable fuse F1, B
The Anti-surging choke inductor of the Anti-surging choke inductor L2, piezo-resistance RV2 and resettable fuse F2, C phase of phase
L3, piezo-resistance RV3 and resettable fuse F3；The electric power incoming line IN is terminated into external power source, power outlet OUT terminal and electricity
Source module connects.
When lightning surge is to attack, electric power incoming line IN ends can control thunderbolt and produce by the Anti-surging choke inductor of A, B, C phase
Burst current, the surge voltage of burst is then absorbed by piezo-resistance, for failing to fully absorb and more than a fixed limit
The electric current of degree, then limit inflow current by resettable fuse, reaches the ability of cut-out circuit in time；Meanwhile, it had been struck by lightning
After being capable of automatic restoring circuit normal power-up so that power outlet OUT terminal voltage is protected.Lightning-protection module is independently of open circuit
Device, can dismantle at any time, once the module wrecks, the lightning-protection module that can more renew immediately is very simple and convenient, is entering one
The electric elements that step is used while improve the security of breaker due to circuit are less, easy to make, with low cost, very
It is practical.
The utility model compared with prior art, with advantages below and effect：The utility model temperature sense module can
With the temperature conditions of real-time monitoring breaker circuit, prevent from producing failure because temperature is too high；Data acquisition module then passes through
Neutral line current, voltage, load current and leakage current in real-time monitoring circuit, so as to learn circuit in threephase load use feelings
Condition, it is to avoid caused device damage and casualties due to " off zero " failure；Meanwhile, the installation of time control load blocks causes electricity
Loading condition in road more is easily found, and coordinates data acquisition module to use, and substantially increases breaker and circuit
Security；Finally, the installation of detachable lightning-protection module improves safety in utilization of the breaker under thunderstorm weather.So, this
Utility model is started with terms of temperature, circuit load situation, load time control switching and lightning protection this four, and open circuit is improve comprehensively
The safety in utilization of device, circuit and load.
Description of the drawings
Fig. 1 is the utility model system framework schematic diagram.
Fig. 2 is the utility model temperature sense module and message processing module, performing module schematic diagram.
Fig. 3 is the utility model data acquisition module and message processing module, the connection diagram of performing module.
Fig. 4 is the circuit diagram of the utility model lightning-protection module.
Fig. 5 is the utility model keyboard input module and display module, message processing module, the connection signal of performing module
Figure.
In accompanying drawing：1 is temperature induction part, and 2 is amplifier conditioning portion, and 3 is neutral line current sampling unit, and 4 is current transformer, 5
For signal conversion and amplitude limiter circuit, 6 is keyboard input module, and 7 is performing module.
Specific embodiment
Below in conjunction with the accompanying drawings and by embodiment the utility model is described in further detail, and following examples are right
It is of the present utility model explanation and the utility model is not limited to following examples.
Referring to Fig. 1-Fig. 5, including power module, temperature sense module, data acquisition module, dismountable lightning-protection module,
Keyboard input module 6, message processing module MCU, display module, performing module 7 and communication module.
Power module provides suitable power input and collection semaphore for circuit breaker system.
Temperature sense module includes three temperature induction parts 1 and three amplifier conditioning portions 2, for monitoring breaker simultaneously
The temperature of three binding posts.
Temperature induction part 1 is connected to the two ends of breaker terminals, including the high temperature heat-resistant for being connected on breaker terminals two ends
Quick resistance RT and fixed resistance R1.Wherein thermistor RT is grounded, and fixed resistance R1 is then connected on the positive pole of terminal.When breaker end
When the temperature at sub- two ends changes, the resistance value of thermistor RT will be directly affected, temperature change feedback is very smart in time
It is accurate.
The signal that temperature sense module is produced is passed to after treatment message processing module MCU by amplifier conditioning portion 2.Fortune
Conditioning portion 2 is put including fixed resistance R2, fixed resistance R3, fixed resistance R4, fixed resistance R5 and four road operational amplifiers.Temperature-sensitive
The positive and negative terminal of resistance RT is connected the input port two of four road operational amplifiers is accessed after fixed resistance R2 and fixed resistance R3 respectively
On input port three, fixed resistance R4 two ends connect respectively the input port two and output port one of four road operational amplifiers,
The output port one and message processing module MCU of fixed resistance R5 two ends difference concatenation operation amplifier, four road operational amplifiers
Power supply is accessed according to both positive and negative polarity.
Message processing module MCU is analyzed after computing the state of temperature for judging breaker terminals to the signal after process.
Data acquisition module is responsible for gathered data, including neutral line current sampling unit 3, voltage sample portion, load current sampling
Portion and leakage current sampling unit.Neutral line current sampling unit includes that current transformer 4, signal is changed and amplitude limiter circuit 5 and low pass filtered
Wave circuit 6；The side of current transformer is wound on zero line, opposite side is then wound in measuring circuit, so as to will be larger on zero line
Electric current be converted into after less electric current, then measure.
Signal is changed and current signal can be converted into voltage signal and it is carried out after amplitude limit by amplitude limiter circuit.It is specifically wrapped
Include and be connected in parallel on fixed resistance R6, general-purpose diode D1 and general-purpose diode that current transformer two ends form three parallel circuits
D2.Wherein general-purpose diode D1 reversal connections, general-purpose diode D2 just connects.Fixed resistance R6 is played and for current signal to be converted into voltage letter
Number function, two general-purpose diodes then carry out amplitude limit to voltage signal.General-purpose diode D1 and general-purpose diode D2 compositions are double
To amplitude limiter circuit, when input voltage value is too high or too low, all will only take setting value is magnitude of voltage now, so as to by voltage
Value is limited in the range of setting value, then, then by signal transmission to low-pass filter circuit.
Low-pass filter circuit includes an electric capacity C1 and amplifier conditioning portion 2, and electric capacity C1 is connected in parallel on the two of the R4 of fixed resistance four
End.Low-pass filter circuit is received after voltage signal, and electric capacity coordinates amplifier modulate circuit to form the LPF function to circuit,
Low frequency signal can be normal through, and the high-frequency signal for exceeding the critical value of setting will be blocked, weaken, again by high band
Interference signal is filtered out, and is ultimately transferred to message processing module MCU.
Message processing module MCU is by the signal passed over from zero line and voltage sample portion, load current sampling unit, leakage
After the signal transmitted in electric sampling unit is analyzed, finger is assigned to performing module 7 by the program for setting in advance
Order.When system judges that load current is larger, and during zero line no current, you can judge zero line it is already off, so as to assign instruction to
The disconnecting circuit of performing module 7, completes the protection to electrical equipment so that electrical equipment protects against damage.
The present embodiment also has time control loading functional, coordinates keyboard input module 6 and display module to message processing module
After entering the setting of line program, performing module 7 can have both been coordinated to realize.Wherein keyboard input module 6 includes fixed resistance R7, fixation
Resistance R8, fixed resistance R9, switch S3, switch S4, switch S5, electric capacity C2, electric capacity C3 and electric capacity C4.Fixed resistance R7, fixation
Resistance R8, one end of fixed resistance R9 are connected respectively with electric capacity C2, electric capacity C3, electric capacity C4, the other end and message processing module MCU
Connection.The other end ground connection of electric capacity C2, electric capacity C3 and electric capacity C4.Switch S3, switch S4, one end of switch S5 are connected to admittedly
Determine between resistance R7 and electric capacity C2, between fixed resistance R8 and electric capacity C3, between fixed resistance R9 and electric capacity C4；Another termination
Ground.
Lightning-protection module includes electric power incoming line IN ends, power outlet OUT terminal, zero line, the Anti-surging choke inductor of A phases
The Anti-surging choke inductor L2 of L1, piezo-resistance RV1 and resettable fuse F1, B phase, piezo-resistance RV2 and self- recoverage
The Anti-surging choke inductor L3 of fuse F2, C phase, piezo-resistance RV3 and resettable fuse F3.Electric power incoming line IN is terminated
Enter external power source, power outlet OUT terminal is connected with power module.
When lightning surge is to attack, electric power incoming line IN ends can control thunderbolt and produce by the Anti-surging choke inductor of A, B, C phase
Burst current, the surge voltage of burst is then absorbed by piezo-resistance, for failing to fully absorb and more than a fixed limit
The electric current of degree, then limit inflow current by resettable fuse, reaches the ability of cut-out circuit in time；Meanwhile, it had been struck by lightning
After being capable of automatic restoring circuit normal power-up so that power outlet OUT terminal voltage is protected.
Anti-surging choke inductor L1 and resettable fuse F1 are connected on electric power incoming line IN ends and power outlet OUT terminal
Between, piezo-resistance RV1 one end is connected between L1 and R1, and the other end is connected to electric power incoming line IN ends and power outlet OUT terminal
Between zero line on.
Anti-surging choke inductor L2 and resettable fuse F2 are connected on electric power incoming line IN ends and power outlet OUT terminal
Between, piezo-resistance RV2 one end is connected between L2 and F2, and the other end is connected to electric power incoming line IN ends and power outlet OUT terminal
Between zero line on.
Anti-surging choke inductor L3 and resettable fuse F3 are connected on electric power incoming line IN ends and power outlet OUT terminal
Between, piezo-resistance RV3 one end is connected between L3 and F3, and the other end is connected to electric power incoming line IN ends and power outlet OUT terminal
Between zero line on.
Lightning-protection module can be dismantled at any time independently of breaker, once the module wrecks, the lightning protection that can more renew immediately
Module, it is very simple and convenient, due to electric elements that circuit is used while the security of breaker is further increased
It is less, it is easy to make, with low cost, it is very useful.
Display module is liquid crystal display.User can obtain the data such as voltage, electric current from liquid crystal display, also can pass through
Liquid crystal display is used cooperatively with keyboard input module 6, so as to set to message processing module MCU.
Performing module 7 is connected with message processing module MCU, realizes the switching of module status.
Performing module 7 includes earth leakage circuit-breaker S1 and earth leakage circuit-breaker S2.Earth leakage circuit-breaker S1 and earth leakage protective
S2 is in parallel for switch, is one end and is connected with message processing module MCU, other end ground connection.Earth leakage circuit-breaker S1 and earth leakage protective
The parallel connection of switch S2 causes the adjustment of the height gear of breaker to be achieved, and does not interfere with each other.
With the program set in advance by keyboard input module 6 and display module in message processing module MCU, pass through
The switch of adjustment earth leakage circuit-breaker S1 and S2 is changing use state.Be now electricity consumption when message processing module MCU is detected
During peak period, assign instruction and be adjusted to high tap position state to performing module 7 so that breaker can play the work of protection electrical appliance
With；When it is now electricity consumption low peak period that message processing module MCU is detected, then assigns instruction and be adjusted to low grade to performing module 7
Position state, so as to realize the gear of tripping current protection at times, increases the protection to circuit；When electric current exceedes specified shelves at that time
During position, message processing module MCU can assign instruction and give the disconnecting circuit of performing module 7.
Temperature sense module can be prevented from producing event because temperature is too high with the temperature conditions of real-time monitoring breaker circuit
Barrier；Data acquisition module then by the neutral line current in real-time monitoring circuit, voltage, load current and leakage current, so as to
Know threephase load service condition in circuit, it is to avoid caused device damage and casualties due to " off zero " failure；Meanwhile, when
The installation of control load blocks causes the loading condition in circuit more to be easily found, and coordinates data acquisition module to use, greatly
The security of breaker and circuit is improve greatly；Finally, the installation of detachable lightning-protection module improves breaker in thunderstorm weather
Under safety in utilization.So, the present embodiment is in terms of temperature, circuit load situation, load time control switching and lightning protection this four
Start with, the safety in utilization of breaker, circuit and load is improve comprehensively.Meanwhile, communication module can cause breaker at any time
Keep the information interchange with outside host computer.
Although the utility model is disclosed as above with embodiment, it is not limited to protection model of the present utility model
Enclose, any technical staff for being familiar with the technology, the change made in without departing from spirit and scope of the present utility model with profit
Decorations, all should belong to protection domain of the present utility model.
Claims (6)
1. a kind of circuit breaker system, it is characterised in that：It is defeated including power module, temperature sense module, data acquisition module, button
Enter module, message processing module, display module, performing module and communication module；The power module is provided for circuit breaker system
Suitable power input and collection semaphore；The temperature change of the temperature sense module feedback circuit breaker system；The data
Acquisition module is responsible for gathered data, including neutral line current sampling unit, voltage sample portion, load current sampling unit and leakage current are adopted
Sample portion, carries out intelligence sample and sample information is passed to into message processing module to breaker respectively；The keyboard input module
Realize human-computer interaction；Described information processing module is received and processed from the power module, temperature sense module, data acquisition
The information of module and keyboard input module and by the information transmission for calculating to performing module, display module also simultaneously receive information
And show；The communication module realizes the information transmission of message processing module and outside host computer.
2. circuit breaker system according to claim 1, it is characterised in that：The temperature sense module includes temperature induction part
With amplifier conditioning portion；The temperature induction part is connected to the two ends of breaker terminals；The amplifier conditioning portion is by temperature induction part
The signal of generation passes to after treatment message processing module；Described information processing module is analyzed to the signal after process
After the state of temperature of breaker terminals is judged after computing, then pass information to the performing module.
3. circuit breaker system according to claim 2, it is characterised in that：The temperature induction part includes being connected on breaker
The thermistor RT and fixed resistance R1 at terminal two ends, wherein thermistor RT are grounded, and fixed resistance R1 is then being connected on terminal just
Pole；Put including fixed resistance R2, fixed resistance R3, fixed resistance R4, fixed resistance R5 and four tunnel computings in the amplifier conditioning portion
Big device；The positive and negative terminal of the thermistor RT to be connected respectively and access four tunnel computing after fixed resistance R2 and fixed resistance R3 and put
On the input port two and input port three of big device；The fixed resistance R4 two ends connect respectively the input of four road operational amplifiers
Port two and output port one；The output port one of the fixed resistance R5 two ends difference concatenation operation amplifier and information processing
Module；Four road operational amplifier accesses power module according to both positive and negative polarity.
4. circuit breaker system according to claim 1, it is characterised in that：The neutral line current sampling unit includes Current Mutual Inductance
Device, signal conversion and amplitude limiter circuit and low-pass filter circuit；The current transformer is connected on zero line, and the signal is changed and limited
Current signal can be converted into voltage signal and it is carried out after amplitude limit by width circuit, then pass to low-pass filter circuit；It is described low
Bandpass filter circuit is filtered out after the interference signal of high band again by signal transmission to message processing module；Described information processing module
The performing module is given after through calculating analysis by instruction issuing.
5. circuit breaker system according to claim 1, it is characterised in that：Also there is the circuit breaker system time control to load work(
Energy；Keyboard input module and display module is coordinated to enter line program setting to message processing module, message processing module is by information
Pass to performing module realization；Described information processing module assigns instruction to performing module according to data results, so as to change
Become the state of performing module；The performing module includes earth leakage circuit-breaker S1 and earth leakage circuit-breaker S2, the earth leakage protective
S1 and earth leakage circuit-breaker S2 is in parallel for switch, is one end and is connected with message processing module, other end ground connection.
6. circuit breaker system according to claim 1, it is characterised in that：Also include dismountable lightning-protection module, it is described anti-
Thunder module includes electric power incoming line IN ends, power outlet OUT terminal, zero line, the Anti-surging choke inductor L1 of A phases, piezo-resistance
The Anti-surging choke inductor L2 of RV1 and resettable fuse F1, B phase, piezo-resistance RV2 and resettable fuse F2, C phase
Anti-surging choke inductor L3, piezo-resistance RV3 and resettable fuse F3；The electric power incoming line IN is terminated into external electrical
Source, power outlet OUT terminal is connected with power module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621001271.XU CN206164068U (en) | 2016-08-31 | 2016-08-31 | Circuit breaker system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621001271.XU CN206164068U (en) | 2016-08-31 | 2016-08-31 | Circuit breaker system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206164068U true CN206164068U (en) | 2017-05-10 |
Family
ID=58649518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621001271.XU Expired - Fee Related CN206164068U (en) | 2016-08-31 | 2016-08-31 | Circuit breaker system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206164068U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106300228A (en) * | 2016-08-31 | 2017-01-04 | 杭州尚美电气有限公司 | A kind of circuit breaker system |
| CN108039694A (en) * | 2017-11-20 | 2018-05-15 | 欣旺达电子股份有限公司 | Electrical power contacts bad detection control method, device and power switch |
| CN111504389A (en) * | 2020-05-29 | 2020-08-07 | 上海挚达科技发展有限公司 | Detection device for battery replacing mechanism of electric vehicle |
| CN111650413A (en) * | 2020-04-14 | 2020-09-11 | 江苏三口井信息科技有限公司 | Metering and protecting system and method of intelligent miniature circuit breaker |
-
2016
- 2016-08-31 CN CN201621001271.XU patent/CN206164068U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106300228A (en) * | 2016-08-31 | 2017-01-04 | 杭州尚美电气有限公司 | A kind of circuit breaker system |
| CN108039694A (en) * | 2017-11-20 | 2018-05-15 | 欣旺达电子股份有限公司 | Electrical power contacts bad detection control method, device and power switch |
| CN111650413A (en) * | 2020-04-14 | 2020-09-11 | 江苏三口井信息科技有限公司 | Metering and protecting system and method of intelligent miniature circuit breaker |
| CN111504389A (en) * | 2020-05-29 | 2020-08-07 | 上海挚达科技发展有限公司 | Detection device for battery replacing mechanism of electric vehicle |
| CN111504389B (en) * | 2020-05-29 | 2021-01-05 | 上海挚达科技发展有限公司 | Detection device for battery replacing mechanism of electric vehicle |
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Granted publication date: 20170510 Termination date: 20170831 |