CN201278339Y - Load limiting intelligent circuit breaker - Google Patents
Load limiting intelligent circuit breaker Download PDFInfo
- Publication number
- CN201278339Y CN201278339Y CNU2008200925248U CN200820092524U CN201278339Y CN 201278339 Y CN201278339 Y CN 201278339Y CN U2008200925248 U CNU2008200925248 U CN U2008200925248U CN 200820092524 U CN200820092524 U CN 200820092524U CN 201278339 Y CN201278339 Y CN 201278339Y
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- circuit
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- process chip
- tonnage
- limit
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- Expired - Fee Related
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- Breakers (AREA)
Abstract
The utility model belongs to the field of low-voltage electrical appliances, in particular relates to an intelligent breaker which has automatic load limitation and can take different measures according to the overload conditions. An intelligent load-limiting breaker comprises a tripping relay part and an intelligent module part. The intelligent module adopts a processing chip as a core, and the processing chip is connected with a control circuit of the tripping relay, wherein the tripping relay and intelligent module have the same casing sections and are fixed as an integrated structure through bolts or buckles, the processing chip is further connected with a current transformer, the casing of the intelligent module is provided with an opening in which an LCD and control keys are arranged, and a circuit board is arranged at the lower part of the LCD and the control keys and connected with a circuit in the processing chip. The utility model is capable of providing the intelligent breaker with the functions of load limitation caution, automatic break, phase failure tripping break, over-current break, short-circuit break, over-heat tripping break, and the like.
Description
[technical field]
The utility model belongs to the low-voltage electrical apparatus field, and especially a kind of have automatic load limitation and take the come out intelligent breaker of measure of difference according to the overload situation.
[background technology]
Along with household appliances increase day by day enter the domestic consumer, the Electrical Safety protection of household electrical appliance load branch also just becomes significantly and need attract great attention and the problem of urgent solution.Distinct issues the most, exactly because domestic electric appliance all is to be connected with power supply by plug (seat), and connector often makes the engineering plastics that support connector soften or fusing because of loose contact causes ohm heating, influence patching of connector again so conversely and form the vicious circle of more loose contact, its result causes fault to enlarge, and leads to lead short circuit or electrical fire accident.Also have, the household electrical appliance load branch causes lead heating even insulation to burn out often because of sectional area of wire is not enough but ampacity is big, also causes short circuit or fire incident thus.Have, the household electrical appliance load branch causes lead heating even initiation fire certainly too also often because of the fault of load own causes the electric current overload again.Overvoltage of power supply as for external power grid causes because of a variety of causes then directly constitutes a threat to household electrical appliance itself, so that household electrical appliance cause the accident of damage to happen occasionally because of overvoltage of power supply with being taken by surprise.For the household electrical appliance load branch facing to the phenomenon of the failure of above-mentioned short circuit, overload, ultra-voltage and the overheated overtemperature of current carrying conductor, also do not have a kind of multiple functional, sensitive reliable protection device to implement omnibearing protection at present to it.Be existing conventional circuit breaker, also only can only carry out short-circuit protection, and powerless for error protection.Even carry out short-circuit protection; because those are burnt out the fault that causes short circuit or fire because of lead or connector heating evil until insulation; it can not accomplish just power supply to be disconnected before accident takes place, and that is to say that it can not accomplish accident is eliminated a year bud.In addition in the existing supply line of China, because the renewal speed of supply line relatively lags behind, the situation of power supply shortage appears in a lot of areas, and there is the phenomenon of a large amount of excess load electricity consumptions in these areas, this phenomenon can damage power network line equally, make whole electrical network be in uncontrollable state, though by artificial control can be suitable this contradiction of alleviation, but Artificial Control exists instability and inaccuracy, can't effectively control the load capacity of electrical network, Artificial Control can increase considerably the cost of power supply enterprise in addition.These above-mentioned problems, long-term existence do not have very effective solution so far among power supply industry.
[summary of the invention]
Functions such as the purpose of this utility model provides has that limit for tonnage is reminded and the smart circuit device of auto-cutout function, and this circuit breaker has also that the phase shortage dropout is opened circuit, overcurrent opens circuit, short interruption and overheated dropout are opened circuit.The hot memory function of its overload protection can be to the user of the electricity consumption of repeatedly transfiniting the continuously punitive function that cuts off the power supply automatically in addition.
In order to reach above-mentioned technical purpose, the technical solution that the utility model adopts comprises following technology contents: a kind of limit for tonnage intelligent breaker comprises that tripping relay part and intelligent object partly form.Described intelligent object part is a core with the process chip, connect on this process chip and be connected with the control circuit of tripping relay, tripping relay is identical with the shell cross section of intelligent object, and be structure as a whole by screw or snap fit, described process chip also is connected with current transformer, the shell of described intelligent object is provided with opening, be provided with LCDs and control button in this opening, this LCDs and control button bottom are provided with circuit board, the circuit in this circuit board connection processing chip.The circuit of described process chip also connects and controls the warning device that is made of buzzer or loudspeaker.
The circuit of described process chip also is connected with temperature controller, and this temperature controller is arranged in the shell of intelligent object.
Be connected with information-storing device in the circuit of described process chip, this memory is fixed in the shell of intelligent object.
Be connected with read write line on the circuit of described process chip and write inbound port, this is write in the opening that inbound port is arranged on the intelligent object shell.
Be connected with PORT COM on the circuit of described process chip.
Also be provided with stand-by power supply in the described intelligent object shell, i.e. rechargeable battery or electric capacity.
By adopting above-mentioned technical solution, the utility model has obtained following technological merit and effect:
The utility model will connect current transformer and communication interface by adopting on the process chip, and above-mentioned parts are installed in and have the structure that circuit breaker matches now, a kind of circuit breaker with intelligent function not only can be provided, simultaneously by this modular structure, can realize upgrading to existing circuit breaker, this intelligence limit for tonnage circuit breaker is by the relevant information in the current transformer collecting circuit, come out in the input processor, and different circuit condition is handled according to the software program that embeds in the processor, can realize following function: 34 lines power supplies mutually, 4 phase currents detect, 3 phase phase electro-detection.Current overload/short circuit dropout break protecting.Phase shortage dropout defencive function, and open circuit mutually arbitrarily and still have reliable phase shortage/overcurrent/short-circuit protection function.The utility model is by being provided with warning device in above-mentioned intelligent object part shell in addition, reminds the user to take measures before can occurring being about to open circuit after emergency or the overload operation in circuit; By in intelligent object part shell, temperature controller being set, can carry out the operating ambient temperature monitoring and the overheated dropout protection of circuit breaker.Can set the high ambient temperature of circuit breaker work, to guarantee the working properly of self, the protection of can threading off when surpassing; By adopt the structure that LCDs 4 and control button are set in intelligent object part shell, utilize among the dot matrix large-screen LCD/English optional demonstration, multinomial detected parameters one screen shows, it is very easy to use to come into plain view, its this LCD shows the forwards/reverse Presentation Function, flexibly the installation direction of circuit breaker; By link information memory in above-mentioned process chip circuit, make this intelligence limit for tonnage circuit breaker various information in use obtain storage, thereby can realize the hot memory function of overload protection in addition.After continuous several times transfinites electricity consumption, have 30 minutes locking tripping function, with punishment excess load electric consumer, guarantee that to greatest extent the load of electrical network is normal.Management of power use function flexibly is provided, makes things convenient for of management and the scheduling of power supply management department user or regional electricity consumption.The setting of the management of power use has the function of subregion restriction, can avoid trans-regional setting, guarantees the fail safe of management in the zone.Status poll function after the circuit breaker outage, after the circuit breaker outage, still can be by the failure cause and the operating state before of button inquiry dropout, convenient judgement and maintenance to load or power supply trouble.The historical record query function.Can consult nearest 10 faults record, comprise the time of fault, reason and measured value are in order to the judgement of power supply department to user's electricity consumption in early stage situation.By in above-mentioned intelligent limit for tonnage circuit breaker, PORT COM being set, RS485 generally is provided remote communication interface, can implement networking, remote monitoring, control and management.Final realization office's remote automation power monitoring and management.
In a word, the utility model is by set handling device in common circuit device, be used current transformer and carry out the circuit information collection, use information-storing device to carry out information stores, utilize display screen and control the parameter that is provided with by key control and modification circuit breaker, write inbound port by read write line and carry out software upgrading, make the utility model possess multiple circuit controlled function, can use the mode of upgrade software to promote the function of intelligent limit for tonnage circuit breaker in addition.
[description of drawings]
Fig. 1 is a circuit theory schematic diagram of the present utility model;
Fig. 2 is an embodiment schematic diagram of the present utility model;
Fig. 3 is a front view of the present utility model;
Fig. 4 is an end view of the present utility model.
[embodiment]
Below in conjunction with accompanying drawing the utility model is further described:
As shown in Figure 3 and Figure 4, the utility model is to improve to form on the basis of existing circuit trip circuit breaker.Comprise that tripping relay part and intelligent object partly form, the two ends of this intelligence limit for tonnage circuit breaker are respectively equipped with voltage input incoming end 1 and voltage is exported incoming end 5.The tripping relay part is basic identical with common circuit breaker, comprise trip gear and control relay composition, but the circuit of control relay is connected with the process chip circuit, and accepts the control of this process chip.Main improvement of the present utility model is core in the intelligent object part with the process chip, connect on this process chip and be connected with the control circuit of tripping relay, tripping relay is identical with shell 9 cross sections of intelligent object, can connect and compose integral body with existing tripping relay easily like this, be structure as a whole by screw or snap fit then, certainly the connection of said two devices can connect equally in other way more than being limited to these above-mentioned two kinds of connected modes.Described process chip also is connected with current transformer, the main effect of this current transformer is the information in the Acquisition Circuit, be transferred to process chip then, established procedure in this process chip install software, after this signal analyzed, according to the state of this information, the control corresponding device thereof is moved, so generally be this independent instrument transformer all in each circuit in circuit.For example: control relay discharges trip gear and cuts off circuit, perhaps starts alarm action such as report to the police.As shown in Figure 2, what this intelligence limit for tonnage circuit breaker adopted is to convert the microelectronics analog current value to digital signal, sends to master chip, analog-to-digital chip here, what adopt is high-precision 16 modulus conversion chips, can guarantee the accuracy and the accuracy of data sampling, intrasystem software begins to report to the police after judging that electric current is excessive, and can be in memory storage, software detection is delivered to tripping relay with signal after judging whether to open circuit, and disconnects power supply circuits.The shell 9 of described intelligent object is provided with opening, is provided with LCDs 4 and control button 8 in this opening, and this LCDs 4 and control button 8 bottoms are provided with circuit board, the circuit in this circuit board connection processing chip.Above-mentioned LCDs 4 can show the multiple information of above-mentioned intelligent controller, comprising current value, device code, multiple function parameter or the like is set.In order to strengthen the conspicuousness of trip gear action, on above-mentioned shell 9, also be provided with trip gear alarm lamp 2, after trip gear disconnected, the user can obtain the trip gear information of open circuit easily by the indication of alarm lamp.Whether normal, be provided with trip gear test button 7 on above-mentioned intelligent limit for tonnage case for circuit breaker 9 if detecting trip gear in addition for convenience.
As depicted in figs. 1 and 2, also connect and control the warning device that constitutes by buzzer or loudspeaker at the circuit of the process chip described in the utility model.This warning device is subjected to the control of process chip, phase shortage, overload phenomenon or other in finding circuit, process chip are arranged in emergency circumstances, promptly report to the police by the control of process chip, to prevent that circuit from damaging and the damage of electrical appliance, even also can remind the user to reduce load in addition, prevent to receive the processing of opening circuit and having a power failure.
Circuit in the process chip described in the utility model also is connected with temperature controller, and this temperature controller is arranged in the shell 9 of intelligent object.After the temperature in the above-mentioned intelligent limit for tonnage circuit breaker surpasses set point, this temperature controller is to process chip output information, after the process chip processing, even discharging trip gear, starting relay cuts off circuit, prevent from intelligent limit for tonnage circuit breaker to be caused damage because temperature is too high.For example: shell cavity temperature controller device, can monitor the temperature in the shell chamber at any time, in case after temperature surpassed 110 ℃, WNM2Z limit for tonnage intelligent plastic casing break just disconnected power supply circuits and stops self work.
Be connected with information-storing device in the circuit of the process chip described in the utility model, this memory is fixed in the shell 9 of intelligent object.This information-storing device can use memory device commonly used now, for example: multiple memory devices such as USB flash disk, hard disk.Need in the anomaly information that this information-storing device can memory circuit in use takes place, the process chip to install or the multiple information such as preset value of subscriber-coded, the various parameters of the software control procedure that upgrades, intelligent limit for tonnage circuit breaker.These above-mentioned information, behaviour in service that not only can recording user, also can break down simultaneously at intelligent limit for tonnage circuit breaker, when perhaps putting rules into practice action, utilize the specific coding that equipment utilization should intelligence limit for tonnage circuit breaker by control terminal, in time obtain the user mode of this equipment, guarantee the normal operation of whole electrical network.
Be connected with read write line on the circuit of the process chip described in the utility model and write inbound port 6, this is write in the opening that inbound port 6 is arranged on intelligent object shell 9.This main effect of writing inbound port 6 is parameter or a upgrading Control Software of revising intelligent limit for tonnage circuit breaker by read write line.The degree of flexibility that makes things convenient for this intelligence limit for tonnage circuit breaker to use, for example: after the application of user applies increase load is given the ratification, need not change intelligent limit for tonnage circuit breaker, get final product and can use supporting read-write equipment directly to revise setup parameter.
Be connected with PORT COM on the circuit of described process chip.This PORT COM can be connected in the independent communication network, also can directly utilize existing electrical network Network Transmission information, thereby realize getting in touch of each intelligent limit for tonnage circuit breaker and control terminal, make control terminal can obtain the user mode of each intelligent limit for tonnage circuit breaker at any time.Even the instruction that can send by control terminal, directly revise the operation parameter of intelligent limit for tonnage circuit breaker.
In order to guarantee the normal use of above-mentioned intelligent limit for tonnage circuit breaker, in described intelligent object shell 9, also be provided with stand-by power supply, i.e. rechargeable battery or electric capacity.Can lose the operate as normal that can keep certain hour under the situation of power supply like this at above-mentioned intelligent limit for tonnage circuit breaker.
Foregoing description can only be counted as preferred embodiment.Those those of skill in the art in the art and those manufacturings or use people of the present invention should recognize other multiple variation pattern of the present invention.Therefore, it being understood that the above-mentioned illustrated embodiment usefulness that only presents a demonstration, it can't be construed as limiting scope of the present invention, scope of the present invention by according to the principle of Patent Law, comprise that the following claim that the principle of equivalent is explained limits.
Claims (7)
1, a kind of limit for tonnage intelligent breaker, comprise that tripping relay part and intelligent object partly form, it is characterized in that: described intelligent object part is a core with the process chip, connect on this process chip and be connected with the control circuit of tripping relay, tripping relay is identical with the shell cross section of intelligent object, and be structure as a whole by screw or snap fit, described process chip also is connected with current transformer, the shell of described intelligent object is provided with opening, be provided with LCDs and control button in this opening, this LCDs and control button bottom are provided with circuit board, the circuit in this circuit board connection processing chip.
2, a kind of limit for tonnage intelligent breaker according to claim 1 is characterized in that: the circuit of described process chip also connects and controls the warning device that is made of buzzer or loudspeaker.
3, a kind of limit for tonnage intelligent breaker according to claim 1, it is characterized in that: the circuit of described process chip also is connected with temperature controller, and this temperature controller is arranged in the shell of intelligent object.
4, a kind of limit for tonnage intelligent breaker according to claim 1, it is characterized in that: be connected with information-storing device in the circuit of described process chip, this memory is fixed in the shell of intelligent object.
5, a kind of limit for tonnage intelligent breaker according to claim 1 is characterized in that: be connected with read write line on the circuit of described process chip and write inbound port, this is write in the opening that inbound port is arranged on the intelligent object shell.
6, a kind of limit for tonnage intelligent breaker according to claim 1 is characterized in that: be connected with PORT COM on the circuit of described process chip.
7, a kind of limit for tonnage intelligent breaker according to claim 1 is characterized in that: also be provided with stand-by power supply in the described intelligent object shell, i.e. rechargeable battery or electric capacity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200925248U CN201278339Y (en) | 2008-03-07 | 2008-03-07 | Load limiting intelligent circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200925248U CN201278339Y (en) | 2008-03-07 | 2008-03-07 | Load limiting intelligent circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201278339Y true CN201278339Y (en) | 2009-07-22 |
Family
ID=40895927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200925248U Expired - Fee Related CN201278339Y (en) | 2008-03-07 | 2008-03-07 | Load limiting intelligent circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201278339Y (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102201300A (en) * | 2011-05-17 | 2011-09-28 | 温州奥来电器有限公司 | Intelligent molded case circuit breaker |
| CN102208306A (en) * | 2011-05-31 | 2011-10-05 | 胡俊兵 | Low-voltage intelligent circuit breaker |
| CN102280321A (en) * | 2011-06-10 | 2011-12-14 | 上海电机学院 | Light load overheating protection breaker |
| CN102347168A (en) * | 2011-09-20 | 2012-02-08 | 胡俊兵 | Low-voltage intelligent circuit breaker with plastic shell |
| CN102426748A (en) * | 2011-08-26 | 2012-04-25 | 浙江索德科技有限公司 | Residual current type electrical fire monitoring device |
| CN101707165B (en) * | 2009-09-29 | 2012-09-26 | 湖北盛佳电器设备有限公司 | Built-in A type intelligent circuit breaker with automatic closing function |
| CN103647253A (en) * | 2013-12-07 | 2014-03-19 | 湖南省凯盈科技有限公司 | Load thermal protection module with adjustable multi-point temperature control |
| WO2015081575A1 (en) * | 2013-12-07 | 2015-06-11 | 湖南省凯盈科技有限公司 | Adjustable multipoint temperature-controlled load thermal protection module |
| CN106158519A (en) * | 2016-08-29 | 2016-11-23 | 孟玲 | A kind of intelligent moulded case circuit breaker maintenance system |
| CN106449289A (en) * | 2016-09-28 | 2017-02-22 | 德力西电气有限公司 | Circuit breaker |
| CN108199340A (en) * | 2018-01-22 | 2018-06-22 | 珠海格力电器股份有限公司 | State monitoring device and method and air conditioner |
| CN110137039A (en) * | 2019-06-05 | 2019-08-16 | 潍坊科技学院 | A kind of electrical engineering distributor breaker of automation |
| CN111223723A (en) * | 2018-11-27 | 2020-06-02 | 俊郎电气有限公司 | Electronic miniature circuit breaker |
| CN111223720A (en) * | 2018-11-27 | 2020-06-02 | 俊郎电气有限公司 | Electronic automatic reclosing miniature circuit breaker |
-
2008
- 2008-03-07 CN CNU2008200925248U patent/CN201278339Y/en not_active Expired - Fee Related
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101707165B (en) * | 2009-09-29 | 2012-09-26 | 湖北盛佳电器设备有限公司 | Built-in A type intelligent circuit breaker with automatic closing function |
| CN102201300A (en) * | 2011-05-17 | 2011-09-28 | 温州奥来电器有限公司 | Intelligent molded case circuit breaker |
| CN102208306A (en) * | 2011-05-31 | 2011-10-05 | 胡俊兵 | Low-voltage intelligent circuit breaker |
| CN102208306B (en) * | 2011-05-31 | 2014-01-22 | 胡俊兵 | Low-voltage intelligent circuit breaker |
| CN102280321A (en) * | 2011-06-10 | 2011-12-14 | 上海电机学院 | Light load overheating protection breaker |
| CN102426748B (en) * | 2011-08-26 | 2014-11-19 | 浙江索德科技有限公司 | Residual current type electrical fire monitoring device |
| CN102426748A (en) * | 2011-08-26 | 2012-04-25 | 浙江索德科技有限公司 | Residual current type electrical fire monitoring device |
| CN102347168A (en) * | 2011-09-20 | 2012-02-08 | 胡俊兵 | Low-voltage intelligent circuit breaker with plastic shell |
| CN102347168B (en) * | 2011-09-20 | 2014-02-19 | 胡俊兵 | Low-voltage intelligent circuit breaker with plastic shell |
| CN103647253A (en) * | 2013-12-07 | 2014-03-19 | 湖南省凯盈科技有限公司 | Load thermal protection module with adjustable multi-point temperature control |
| WO2015081575A1 (en) * | 2013-12-07 | 2015-06-11 | 湖南省凯盈科技有限公司 | Adjustable multipoint temperature-controlled load thermal protection module |
| CN106158519A (en) * | 2016-08-29 | 2016-11-23 | 孟玲 | A kind of intelligent moulded case circuit breaker maintenance system |
| CN106449289A (en) * | 2016-09-28 | 2017-02-22 | 德力西电气有限公司 | Circuit breaker |
| CN106449289B (en) * | 2016-09-28 | 2019-03-08 | 德力西电气有限公司 | A kind of breaker |
| CN108199340A (en) * | 2018-01-22 | 2018-06-22 | 珠海格力电器股份有限公司 | State monitoring device and method and air conditioner |
| CN111223723A (en) * | 2018-11-27 | 2020-06-02 | 俊郎电气有限公司 | Electronic miniature circuit breaker |
| CN111223720A (en) * | 2018-11-27 | 2020-06-02 | 俊郎电气有限公司 | Electronic automatic reclosing miniature circuit breaker |
| CN110137039A (en) * | 2019-06-05 | 2019-08-16 | 潍坊科技学院 | A kind of electrical engineering distributor breaker of automation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090722 Termination date: 20100307 |