CN105429136A - Secure line of campus dormitory - Google Patents
Secure line of campus dormitory Download PDFInfo
- Publication number
- CN105429136A CN105429136A CN201510904385.9A CN201510904385A CN105429136A CN 105429136 A CN105429136 A CN 105429136A CN 201510904385 A CN201510904385 A CN 201510904385A CN 105429136 A CN105429136 A CN 105429136A
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- CN
- China
- Prior art keywords
- dormitory
- line
- mounting blocks
- parallel
- controller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
- H02H7/261—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations
- H02H7/262—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations involving transmissions of switching or blocking orders
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
- H02H7/267—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured for parallel lines and wires
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/12—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load
- H02J3/14—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load by switching loads on to, or off from, network, e.g. progressively balanced loading
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2310/00—The network for supplying or distributing electric power characterised by its spatial reach or by the load
- H02J2310/10—The network having a local or delimited stationary reach
- H02J2310/12—The local stationary network supplying a household or a building
- H02J2310/14—The load or loads being home appliances
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/001—Methods to deal with contingencies, e.g. abnormalities, faults or failures
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The invention relates to the safety utilization field of electric power, in particular to a secure line of a campus dormitory. The secure line comprises a plurality of parallel electric appliances, wherein a trunk line in parallel to the electric appliances is further serially connected with a circuit on-off device and a power sensor, the power sensor is connected to a first time sensor, the first time sensor is connected to a controller, and the circuit on-off device is also connected to the controller. The invention aims to provide the secure line of the campus dormitory, a power sensor is serially connected onto an original circuit, relatively high power can be sensed in time, and time signals with higher power continuously appearing are transmitted to the controller through the time sensor, and the controller controls the circuit on-off device serially connected onto the original circuit to be switched off, so that the condition that long-time high power operation cannot appear is guaranteed, the possibility of electric fire disaster is greatly reduced, and electric energy is also saved.
Description
Technical field
The present invention relates to safety utilization of electric power field, particularly relate to the secure line of a kind of campus dormitory.
Background technology
Apartment, campus is the maximum building of density of registered inhabitants, and all lived hundreds of student in each apartment, campus, because resident population is numerous, how to ensure that the Electrical Safety of campus dormitory has become the top priority of school safety department.
Most campus dormitory existing does not all fill installs water heater and air-conditioning, therefore most student can use immersion heater, but heat up water due to immersion heater and need the regular hour, a lot of student student can occur forgetting the situation of pulling out immersion heater in time, cause immersion heater continuous operation several hours, waste electric energy greatly like this, the situation of electrical fire also may be there is time serious, threaten the safety of campus dormitory, the existing processing mode of school is all forbid that student uses high-power electric appliance mostly, regular inspects by random samples dormitory, but this control consumes a large amount of manpower and materials, the efficiency of simultaneously preventing and treating is not high, student still can use, do not reach the effect of radical cure, forbid that student uses these electrical equipment can cause inconvenience to a certain degree to the life of student simultaneously.
Summary of the invention
The object of this invention is to provide the secure line of a kind of campus dormitory, a series connection power inductor on original circuit, relatively high power can be induced timely, and will occur that the time signal of relatively high power passes to controller continuously by timer, the connecting and disconnecting of the circuit device that controller controls original circuit is connected disconnects, and then ensure the situation that there will not be long-time high-power running, greatly reduce the possibility that electrical fire occurs, also save electric energy simultaneously.
In order to realize above object, the technical solution used in the present invention is: the secure line of a kind of campus dormitory, it comprises multiple electrical appliance in parallel, the main line of electrical appliance parallel connection is also in series with connecting and disconnecting of the circuit device and power inductor, described power inductor is connected to very first time transducer, described very first time transducer is connected to controller, and connecting and disconnecting of the circuit device is also connected to controller.
Further, alarm and the second timer is connected with between described very first time transducer and controller in turn.
Further, the main line of electrical appliance parallel connection is also in series with current inductor, described current inductor is connected to controller.
Further, described connecting and disconnecting of the circuit device comprises shell (1), the bottom of described shell (1) offers on loose slot (101), bottom surface and is provided with two groups of movable blocks (3), and the connecting rod (301) of movable block (3) bottom passes shell (1), and be connected on the pushing block (9) that is arranged on shell (1) plate outer side, described pushing block (9) is connected with electric pushrod (10); The top of described movable block (3) is provided with support (4), and two supports (4) are fixed with left mounting blocks (5) and right mounting blocks (6) respectively, left mounting blocks (5) and right mounting blocks (6) are provided with folding cable (7), and the opening and closing place of described folding cable (7) is provided with contact chip (7).
Further, described left mounting blocks (5) is hollow cylinder, and folding cable (7) runs through and is arranged on its center, and the center line of folding cable (7) overlaps with the center line of left mounting blocks (5); The assembly of the hollow cylinder that described right mounting blocks (6) overlaps for small one and large one center line, it is large end near one end of left mounting blocks (5), and large end inside offers the hole that diameter coordinates with left mounting blocks (5), folding cable (7) is arranged on the center of right mounting blocks (6), the two center line overlaps, and the end of folding cable (7) is the bottom of holding greatly the mating holes offered.
Further, the adjusting screw(rod) (401) that the fixed block (402) that described support (4) comprises fixed installation block is connected with fixed block (402) below, described adjusting screw(rod) (401) coordinates with the screwed hole that movable block (3) starts, and adjusting screw(rod) (401) is provided with adjusting nut (11).
Further, the top of described shell (1) is cover plate (2), the plate inner surface of shell (1) is provided with slide rail (102), and described slide rail (102) and movable block (3) bottom start chute coordinate.
Further, the router in electrical appliance and modulator-demodulator are in parallel, in parallel with remaining electrical appliance after their parallel line is in series with a rectifier, and the parallel line of router and modulator-demodulator is also parallel with storage battery.
Further, described storage battery is in series with the time relay.
Further, described electric pushrod (10) is in parallel with router.
Beneficial effect of the present invention is:
1, a series connection power inductor on original circuit, relatively high power can be induced timely, and will occur that the time signal of relatively high power passes to controller continuously by timer, the connecting and disconnecting of the circuit device that controller controls original circuit is connected disconnects, and then ensure the situation that there will not be long-time high-power running, greatly reduce the possibility that electrical fire occurs, also save electric energy simultaneously, relative to forbidding measure, facilitate the daily life of student.
2, the design of alarm and the second timer, can produce according to the signal of very first time sensor passes and report to the police, and then the student in prompting dormitory pulls out high-power electric appliance in time, if dormitory nobody, second timer sends in alarm signal 2-5min clock at alarm and produces signal transmission to controller, and then control circuit on-off system open circuit, can have in dormitory like this during student and directly can not put open circuit on-off system, reduce over multibreak impact of opening electrical appliance.
3, the design of current inductor, can when electric current is excessive will blow dormitory fuse by signal transmission to controller, and then connecting and disconnecting of the circuit device is disconnected, can blowout be prevented, increase the useful life of fuse, the situation that student goes to report guarantee can also be reduced simultaneously.
4, the structural design of connecting and disconnecting of the circuit device, can the break-make of realizing circuit fast, and each break-make also can not have an impact to itself simultaneously, thus has longer useful life, and its structure is simple, and parts cost is low, is convenient to the production of large-scale low-cost.
5, the structural design of left and right mounting blocks, can ensure accuracy when at every turn connecting, and when making to close, two contact chips can contact completely at every turn, greatly improve the effect of break-make.
6, the design of support, can regulate the height of folding cable by adjusting screw(rod) and adjusting nut, can well repair the error that repeatedly folding produces, and ensures the running that the device of equipment can be long-term, greatly improves useful life.
7, the design of slide rail, both can prevent movable block double swerve and affect the precision of folding, the simultaneously also easy movement of movable block, and then decreases the consumption of energy, can be suitable for low power electronic tie rod.
8, router, modulator-demodulator multiple-connected battery, go back cascade rectifiers simultaneously, can connect like this, when being energized, storage battery is in charged state, when power-off, storage battery can give router and modulator-demodulator energising, simultaneously due to the effect of rectifier, electricity can not be supplied to other electrical appliances, and then can ensure, when connecting and disconnecting of the circuit device disconnects, still have net, and then student's online learning and amusement can not be had influence on.
9, the design of the time relay, can prevent within the normal power down time of learning management, storage battery can not supply and continue to power to router and modulator-demodulator, only can supply 3-5 minute, student can be made to complete round-off work, the electric energy of storage battery can not be wasted again simultaneously for a long time.
10, electronic tie rod is in parallel with router, after connecting and disconnecting of the circuit device disconnects, storage battery can be powered to electronic tie rod, ensures that electronic tie rod resets when not needing exterior power supply.
Accompanying drawing explanation
Fig. 1 is the annexation figure of the secure line of a kind of campus dormitory.
Fig. 2 is the concrete annexation figure of electrical appliance.
Fig. 3 is the structural representation of connecting and disconnecting of the circuit device.
Fig. 4 is the upward view of connecting and disconnecting of the circuit device.
Fig. 5 is the cutaway view of A-A.
Fig. 6 is the annexation figure of electronic tie rod in electrical appliance.
Described in figure, label character is expressed as: 1, shell; 2, cover plate; 3, movable block; 4, support; 5, left mounting blocks; 6, right mounting blocks; 7, folding cable; 8, contact chip; 9, pushing block; 10, electric pushrod; 11, adjusting nut; 101, loose slot; 102, slide rail; 301, connecting rod; 401, adjusting screw(rod) is regulated; 402, fixed block.
Embodiment
In order to make those skilled in the art understand technical scheme of the present invention better, describe the present invention below in conjunction with accompanying drawing, the description of this part is only exemplary and explanatory, should not have any restriction to protection scope of the present invention.
As shown in figures 1 to 6, the secure line of a kind of campus of the present invention dormitory, it comprises multiple electrical appliance in parallel, the main line of electrical appliance parallel connection is also in series with connecting and disconnecting of the circuit device and power inductor, described power inductor is connected to very first time transducer, described very first time transducer is connected to controller, and connecting and disconnecting of the circuit device is also connected to controller.
Preferably, alarm and the second timer is connected with between described very first time transducer and controller in turn.
Preferably, the main line of electrical appliance parallel connection is also in series with current inductor, described current inductor is connected to controller.
Preferably, described connecting and disconnecting of the circuit device comprises shell 1, the bottom of described shell 1-offers on loose slot 101, bottom surface and is provided with two groups of movable blocks 3, and the connecting rod 301 bottom movable block 3 passes shell 1, and be connected on the pushing block 9 that is arranged on shell 1 plate outer side, described pushing block 9 is connected with electric pushrod 10; The top of described movable block 3 is provided with support 4, and two supports 4 are fixed with left mounting blocks 5 and right mounting blocks 6 respectively, and left mounting blocks 5 and right mounting blocks 6 are provided with folding cable 7, and the opening and closing place of described folding cable 7 is provided with contact chip 7.
Preferably, described left mounting blocks 5 is hollow cylinder, and folding cable 7 runs through and is arranged on its center, and the center line of folding cable 7 overlaps with the center line of left mounting blocks 5; The assembly of the hollow cylinder that described right mounting blocks 6 overlaps for small one and large one center line, it is large end near one end of left mounting blocks 5, and the inner hole offering diameter and coordinate with left mounting blocks 5 of large end, folding cable 7 is arranged on the center of right mounting blocks 6, the two center line overlaps, and the end of folding cable 7 is the bottom of holding greatly the mating holes offered.
Preferably, described support 4 comprises the fixed block 402 of fixed installation block and the adjusting screw(rod) 401 be connected below fixed block 402, and described adjusting screw(rod) 401 coordinates with the screwed hole that movable block 3 starts, and adjusting screw(rod) 401 is provided with adjusting nut 11.
Preferably, the top of described shell 1 is cover plate 2, the plate inner surface of shell 1 is provided with slide rail 102, and described slide rail 102 with start bottom movable block 3 chute coordinate.
Preferably, the router in electrical appliance and modulator-demodulator are in parallel, in parallel with remaining electrical appliance after their parallel line is in series with a rectifier, and the parallel line of router and modulator-demodulator is also parallel with storage battery.
Preferably, described storage battery is in series with the time relay.
Preferably, described electric pushrod 10 is in parallel with router.
During concrete use, the signal that very first time transducer sends signal demand continuous 30min received power inductor is first set, second timer sends signal demand continuously for continuous 3min receives the signal of alarm, and the time that the time relay disconnects is energising 3min, student is when relatively high power electrical appliances such as dormitory use immersion heaters, power inductor can produce induced signal, and pass to very first time transducer, if student forgets when pulling out, first sensor meeting continuous print receives the induced signal that power inductor sends, when the time received continuously arrives 30min, signal can be sent to alarm by very first time transducer, control alarm equipment alarm, in time high-power electric appliance is pulled out after student in dormitory hears alarm signal, stop alarm, if there is no student in dormitory, the signal that second timer meeting continuous reception alarm occurs, after reaching 3min when 330 receiving, can by signal transmission to controller, controller controling circuit on-off system disconnects, and then make whole dormitory power-off.
When blow current close to external failsafe silk of all electrical appliance electric current sums of dormitory, current inductor can produce induced signal, and pass to controller, controller controling circuit on-off system disconnects, and then make whole dormitory power-off, after removing electrical appliance, then manual control circuit on-off system closes.
When connecting and disconnecting of the circuit device disconnects, storage battery powers to router and modulator-demodulator, ensure normally can have net when circuit recovers, do not affect study and the amusement of student, when 3min does not also have restore circuit, prove do not have student in dormitory, the time relay disconnects, and storage battery stops powering to router and modulator-demodulator.
The work of connecting and disconnecting of the circuit device is as follows: when receiving the cut-off signal of controller, electronic tie rod 10 pulls pushing block 9 to two lateral movements, and then drive movable block 3 toward two lateral movements, and then drive left and right mounting blocks toward two lateral movements by support 4, and then contact chip 8 is separated, reach the effect of power-off, after power-off, powered to electronic tie rod by storage battery, facilitate Non-follow control electronic tie rod to set back, and then contact chip 8 is contacted with each other, the normal power-up of restore circuit.
It should be noted that, in this article, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise which key element, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.
Apply specific case herein to set forth principle of the present invention and execution mode, the explanation of above example just understands method of the present invention and core concept thereof for helping.The above is only the preferred embodiment of the present invention, should be understood that, due to the finiteness of literal expression, and objectively there is unlimited concrete structure, for those skilled in the art, under the premise without departing from the principles of the invention, some improvement, retouching or change can also be made, also above-mentioned technical characteristic can be combined by rights; These improve retouching, change or combination, or the design of invention and technical scheme are directly applied to other occasion without improving, and all should be considered as protection scope of the present invention.
Claims (10)
1. the secure line of a campus dormitory, it comprises multiple electrical appliance in parallel, it is characterized in that, the main line of electrical appliance parallel connection is also in series with connecting and disconnecting of the circuit device and power inductor, described power inductor is connected to very first time transducer, described very first time transducer is connected to controller, and connecting and disconnecting of the circuit device is also connected to controller.
2. the secure line of a kind of campus according to claim 1 dormitory, is characterized in that, is connected with alarm and the second timer between described very first time transducer and controller in turn.
3. the secure line of a kind of campus according to claim 1 dormitory, is characterized in that, the main line of electrical appliance parallel connection is also in series with current inductor, and described current inductor is connected to controller.
4. the secure line of a kind of campus dormitory according to any one of claim 1-3, it is characterized in that, described connecting and disconnecting of the circuit device comprises shell (1), the bottom of described shell (1) offers on loose slot (101), bottom surface and is provided with two groups of movable blocks (3), and the connecting rod (301) of movable block (3) bottom passes shell (1), and be connected on the pushing block (9) that is arranged on shell (1) plate outer side, described pushing block (9) is connected with electric pushrod (10); The top of described movable block (3) is provided with support (4), and two supports (4) are fixed with left mounting blocks (5) and right mounting blocks (6) respectively, left mounting blocks (5) and right mounting blocks (6) are provided with folding cable (7), and the opening and closing place of described folding cable (7) is provided with contact chip (7).
5. the secure line of a kind of campus according to claim 4 dormitory, it is characterized in that, described left mounting blocks (5) is hollow cylinder, and folding cable (7) runs through and is arranged on its center, and the center line of folding cable (7) overlaps with the center line of left mounting blocks (5); The assembly of the hollow cylinder that described right mounting blocks (6) overlaps for small one and large one center line, it is large end near one end of left mounting blocks (5), and large end inside offers the hole that diameter coordinates with left mounting blocks (5), folding cable (7) is arranged on the center of right mounting blocks (6), the two center line overlaps, and the end of folding cable (7) is the bottom of holding greatly the mating holes offered.
6. the secure line of a kind of campus according to claim 5 dormitory, it is characterized in that, the adjusting screw(rod) (401) that the fixed block (402) that described support (4) comprises fixed installation block is connected with fixed block (402) below, described adjusting screw(rod) (401) coordinates with the screwed hole that movable block (3) starts, and adjusting screw(rod) (401) is provided with adjusting nut (11).
7. the secure line of a kind of campus according to claim 6 dormitory, it is characterized in that, the top of described shell (1) is cover plate (2), the plate inner surface of shell (1) is provided with slide rail (102), and described slide rail (102) and movable block (3) bottom start chute coordinate.
8. the secure line of a kind of campus according to claim 4 dormitory, it is characterized in that, router in electrical appliance and modulator-demodulator parallel connection, in parallel with remaining electrical appliance after their parallel line is in series with a rectifier, and the parallel line of router and modulator-demodulator is also parallel with storage battery.
9. the secure line of a kind of campus according to claim 8 dormitory, it is characterized in that, described storage battery is in series with the time relay.
10. the secure line of a kind of campus according to claim 9 dormitory, is characterized in that, described electric pushrod (10) is in parallel with router.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510904385.9A CN105429136B (en) | 2015-12-09 | 2015-12-09 | A kind of secure line of campus dormitory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510904385.9A CN105429136B (en) | 2015-12-09 | 2015-12-09 | A kind of secure line of campus dormitory |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105429136A true CN105429136A (en) | 2016-03-23 |
| CN105429136B CN105429136B (en) | 2017-10-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510904385.9A Active CN105429136B (en) | 2015-12-09 | 2015-12-09 | A kind of secure line of campus dormitory |
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| Country | Link |
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| CN (1) | CN105429136B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2033162U (en) * | 1988-05-02 | 1989-02-22 | 北京市机械工业局技术开发研究所 | Limited unit for electric power |
| JPH112649A (en) * | 1997-06-12 | 1999-01-06 | Sumitomo Metal Mining Co Ltd | Excess-power alarm for domestic use |
| JP2008219957A (en) * | 2007-02-28 | 2008-09-18 | Koyo Electronics Ind Co Ltd | Remote control system of household electrical appliance |
| CN202221892U (en) * | 2011-08-01 | 2012-05-16 | 战威 | Power supply line |
| CN202649781U (en) * | 2012-02-29 | 2013-01-02 | 咸宁学院 | Student dormitory safe power utilization centralized power supply device and intelligent control system |
| CN204188999U (en) * | 2014-09-22 | 2015-03-04 | 杭州市轻工高级技工学校 | Based on the intelligent electric power system of campus consumer |
| CN104734142A (en) * | 2013-12-21 | 2015-06-24 | 中建四局安装工程有限公司 | Construction site power utilization period and overload controlling method and power distribution device |
| CN205178504U (en) * | 2015-12-09 | 2016-04-20 | 湖南城市学院 | Safety circuit of campus dormitory |
-
2015
- 2015-12-09 CN CN201510904385.9A patent/CN105429136B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2033162U (en) * | 1988-05-02 | 1989-02-22 | 北京市机械工业局技术开发研究所 | Limited unit for electric power |
| JPH112649A (en) * | 1997-06-12 | 1999-01-06 | Sumitomo Metal Mining Co Ltd | Excess-power alarm for domestic use |
| JP2008219957A (en) * | 2007-02-28 | 2008-09-18 | Koyo Electronics Ind Co Ltd | Remote control system of household electrical appliance |
| CN202221892U (en) * | 2011-08-01 | 2012-05-16 | 战威 | Power supply line |
| CN202649781U (en) * | 2012-02-29 | 2013-01-02 | 咸宁学院 | Student dormitory safe power utilization centralized power supply device and intelligent control system |
| CN104734142A (en) * | 2013-12-21 | 2015-06-24 | 中建四局安装工程有限公司 | Construction site power utilization period and overload controlling method and power distribution device |
| CN204188999U (en) * | 2014-09-22 | 2015-03-04 | 杭州市轻工高级技工学校 | Based on the intelligent electric power system of campus consumer |
| CN205178504U (en) * | 2015-12-09 | 2016-04-20 | 湖南城市学院 | Safety circuit of campus dormitory |
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| Publication number | Publication date |
|---|---|
| CN105429136B (en) | 2017-10-20 |
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