CN114552541A - Wiring protection device of outgoing line switch - Google Patents
Wiring protection device of outgoing line switch Download PDFInfo
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- CN114552541A CN114552541A CN202111254982.3A CN202111254982A CN114552541A CN 114552541 A CN114552541 A CN 114552541A CN 202111254982 A CN202111254982 A CN 202111254982A CN 114552541 A CN114552541 A CN 114552541A
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- circuit
- protection device
- module
- outgoing line
- input end
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- 238000005070 sampling Methods 0.000 claims abstract description 22
- 238000002955 isolation Methods 0.000 claims abstract description 21
- 238000001514 detection method Methods 0.000 claims abstract description 12
- 230000005611 electricity Effects 0.000 claims abstract description 8
- 230000003068 static effect Effects 0.000 claims abstract description 6
- 229910002065 alloy metal Inorganic materials 0.000 claims description 16
- 229910052751 metal Inorganic materials 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 9
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 8
- 229910045601 alloy Inorganic materials 0.000 claims description 6
- 239000000956 alloy Substances 0.000 claims description 6
- HPDFFVBPXCTEDN-UHFFFAOYSA-N copper manganese Chemical compound [Mn].[Cu] HPDFFVBPXCTEDN-UHFFFAOYSA-N 0.000 claims description 5
- 229910052759 nickel Inorganic materials 0.000 claims description 4
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- -1 polyethylene Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 238000004458 analytical method Methods 0.000 abstract description 2
- 230000002265 prevention Effects 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 7
- 230000002159 abnormal effect Effects 0.000 description 3
- 229910000896 Manganin Inorganic materials 0.000 description 2
- 230000003321 amplification Effects 0.000 description 2
- 238000007405 data analysis Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010891 electric arc Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Images
Classifications
-
- 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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/02—Means for indicating or recording specially adapted for thermometers
- G01K1/024—Means for indicating or recording specially adapted for thermometers for remote indication
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/02—Details
- H02H3/04—Details with warning or supervision in addition to disconnection, e.g. for indicating that protective apparatus has functioned
-
- 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
- H02H7/22—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 for distribution gear, e.g. bus-bar systems; for switching devices
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The invention discloses a wiring protection device of an outgoing line switch, which comprises a shell, wherein the shell has good insulating property, eliminates surface static electricity and is connected with the outgoing line switch in a buckling manner; the sampling circuit module is used for sampling the passing current signal; the isolation circuit module is used for isolating the strong current signal from the weak current signal; the operation module is used for receiving and operating the sampled current signal; the multiple alarm module is used for performing multiple judgment on the input signal and plays roles in identifying a user, reminding the user and protecting a circuit; the quick line plugging device can enable an external line to be plugged quickly. The invention can carry out multiple analysis alarm on the condition of the connected circuit, avoids troubles caused by misjudgment, can carry out quick circuit plug-in, can also carry out user identity identification, and also has the functions of moisture prevention and internal temperature detection.
Description
Technical Field
The invention relates to the field of protection of an outgoing line switch and a connected load, in particular to a wiring protection device of the outgoing line switch.
Background
At the field, some electric meter boxes can be seen always, people connect agricultural electric appliances with outgoing switches of the electric meter boxes on a circuit, but before connection, people do not know whether the interiors of the agricultural electric appliances are damaged or not, and a series of consequences such as circuit short circuit and electric appliance burnout are caused. For example, a "a configure main protection outlet switch dead zone fast protection device" disclosed in chinese patent document, whose publication number is CN204190372U, includes a start control circuit and an execution circuit, where the start control circuit includes a series circuit composed of a bus differential protection device, a line/main transformer outlet switch normally open contact, and a time relay coil, which are connected in sequence, both ends of the series circuit are connected to both ends of a line power supply, and the time relay normally open contact is connected in series in a power supply circuit of an intermediate relay coil; the executing circuit comprises a line/main transformer outgoing line switch current transformer and a line/main transformer differential protection device, a normally open contact of the intermediate relay is connected in parallel with the secondary side of the line/main transformer outgoing line switch current transformer, and the signal output end of the line/main transformer outgoing line switch current transformer is connected with the action control end of the line/main transformer differential protection device. However, the disadvantage is that it is impossible to make a multiple determination of the load and the condition of the device itself, and a false determination may occur, thereby disconnecting the line and causing unnecessary loss.
Disclosure of Invention
The invention provides a wiring protection device of an outgoing line switch, aiming at overcoming the defect that the conditions of a load and the device per se can not be judged in multiple in the prior art, and the wiring protection device is used for judging the conditions of the load and the device per se in multiple.
In order to achieve the purpose, the invention adopts the following technical scheme:
a wiring protection device of an outlet switch comprises a shell, wherein the shell has good insulating property, eliminates surface static electricity and is in buckle connection with the outlet switch; the sampling circuit module is used for sampling the passing current signal, and the input end of the sampling circuit module is connected with the outgoing line switch; the isolation circuit module is used for isolating strong current signals from weak current signals, and the input end of the isolation circuit module is connected with the output end of the sampling circuit module; the operation module is used for receiving and operating the sampled current signal, and the input end of the operation module is connected with the output end of the isolation circuit module; the multiple alarm module is used for performing multiple judgment on the input signal to perform the functions of identifying a user, reminding the user and protecting the circuit, and the input end of the multiple alarm module is respectively connected with the output end of the operation module and the outgoing switch; the circuit fast plugging device enables an external circuit to be plugged fast, and the input end of the circuit fast plugging device is connected with the output end of the multiple alarm module. The device is arranged between the outlet switch of the electric meter box and the load and used for reminding a user and protecting the load.
Preferably, the housing is made of an antistatic insulating polyethylene material. Static electricity may have some effect on the device, resulting in inaccurate data signals.
Preferably, the sampling circuit module adopts high-precision manganese-copper alloy to sample current signals; the isolation circuit module adopts a digital isolation device to isolate strong current and weak current. The sampling circuit adopts manganin to sample because the manganin stability can be good, and the digital isolation device is to guarantee the signal isolation between strong and weak electricity, and guarantee that the circuit module behind is not interfered by strong and weak signals, and improve the precision.
Preferably, the multiple alarm module comprises a temperature detection device, a compensation circuit, a data comparison processor, a user identification device, an electromagnetic connection protection device and an alarm, wherein the input end of the compensation circuit is connected with the output end of the operation module, the input end of the data comparison processor is respectively connected with the output ends of the compensation circuit and the temperature detection device, the input end of the electromagnetic connection protection device is respectively connected with the output end of the data comparison processor, the user identification device and an outgoing line switch, and the output end of the electromagnetic connection protection device is respectively connected with the input end of the alarm and the input end of a circuit quick plugging device. The temperature detection device is used for detecting the temperature of the device, the device is prevented from being overhigh in temperature and burning out internal components, the compensation circuit is used for carrying out amplification compensation on a transmitted signal to enable the signal to be more accurate, the data comparison processor is used for carrying out data analysis on the signal transmitted by the compensation circuit and comparing the signal with set data to judge the condition of the device or a load and then determine whether to carry out circuit breaking processing, the user identification device is used for carrying out identification verification on an owner of the device to prevent outsiders from stealing electricity, the electromagnetic connection protection device has the function of circuit connection or disconnection, and the alarm is used for reminding the safety of the user and maintaining the load device.
Preferably, the electromagnetic connection protection device is an electromagnetic relay, a contact of the electromagnetic connection protection device is made of high-temperature-resistant conductive metal, and the alarm is a buzzer alarm. When the contact of the electromagnetic protection device is in short-circuit breaking, electric arcs are generated, and the contact is melted or the contact resistance of the contact is increased under the high-temperature action of the electric arcs, so that a high-temperature-resistant conductive metal material is required to be adopted, and the buzzer alarm is used for directly enabling a user to notice the possible situation of the load and determining the countermeasure.
Preferably, the user identification device is a radio frequency identification device, and the radio frequency identification device includes an identity card and a reader. The radio frequency identification device is an RFID technical device, and the electromagnetic connection protection device is changed into a connected state through identification authentication between the identity card and the reader, so that electric energy can be normally transmitted.
Preferably, an installation groove is formed in the shell, the circuit rapid plugging device is installed in the installation groove, the circuit rapid plugging device comprises an elastic conductive alloy metal wire and a buckle structure, the elastic conductive alloy metal wire is installed in the installation groove, the buckle structure is installed in the installation notch, the elastic conductive alloy metal wire is in a spring shape, the inner diameters of two ends of the elastic conductive alloy metal wire are larger than that of the middle of the elastic conductive alloy metal wire, and the inner diameter of the middle of the elastic conductive alloy metal wire is smaller than that of the metal wire in the connected circuit; the inner side of the buckle structure is of a pawl-shaped structure. The quick line plugging device ensures the safety of users and saves the time required by wiring in order to realize quick wiring, and the inverted tooth-shaped buckle is used for tightly connecting the plugged lines.
Preferably, the elastic conductive alloy wire is a nickel-based high-conductivity high-elasticity alloy; the notch of the mounting groove is provided with a damp-proof rubber sleeve. The internal circuit needs to be subjected to moisture-proof treatment so as not to corrode the internal circuit or cause short circuit of the circuit to burn out the internal circuit of the load.
Therefore, the invention has the following beneficial effects: (1) performing a multiple analysis alarm on the condition of the connected line; (2) the rapid line plugging can be carried out; (3) the identity of the user can be identified; (4) the device has the functions of moisture protection and internal temperature detection.
Drawings
FIG. 1 is a block flow diagram of an architecture of the present invention;
FIG. 2 is a block flow diagram of the multiple warning device of the present invention;
in the figure, 100, a shell, 200, a sampling circuit module, 300, an isolation circuit module, 400, an operation module, 500, a multiple alarm module, 501, a temperature detection device, 502, a compensation circuit, 503, a data comparison processor, 504, an electromagnetic connection protection device, 505, an alarm, 506, a user identification device, 600, a line fast plugging device, 700, an outgoing line switch, 800 and a load.
Detailed Description
The invention is further described with reference to the following detailed description and accompanying drawings.
In the embodiment shown in fig. 1, a wiring protection device for an outgoing line switch includes a housing 100, which has good insulating performance, eliminates surface static electricity, and is connected with a specific outgoing line switch 700 in a snap-fit manner; the sampling circuit module 200 is used for sampling the passing current signal, and the input end of the sampling circuit module is connected with the outgoing line switch; the isolation circuit module 300 isolates a strong current signal from a weak current signal, and the input end of the isolation circuit module is connected with the output end of the sampling circuit module; the operation module 400 receives and operates the sampled current signal, and the input end of the operation module is connected with the output end of the isolation circuit module; the multiple alarm module 500 performs multiple judgment on the input signal, plays roles of identifying a user, reminding the user and protecting a circuit, and has an input end connected with the output end of the operation module and the outgoing switch respectively; the fast plugging device 600 for circuit can make the external circuit perform fast plugging, and the input end is connected with the output end of the multiple alarm module.
The shell is made of antistatic insulating polyethylene material, and is used for preventing static electricity which can damage some precise instruments or circuit boards.
The sampling circuit module adopts high accuracy manganese copper alloy to carry out the sampling of current signal, and the isolation circuit module adopts digital isolating device to carry out the isolation between the forceful electric power light current, and the sampling circuit adopts manganese copper to sample because manganese copper stability can be good, and digital isolating device is in order to guarantee the signal isolation between the forceful electric current light current, and the circuit module after guaranteeing does not receive the forceful electric power signal interference, improves the precision.
The shell is also provided with an installation groove, the circuit rapid plug device is installed in the installation groove and comprises an elastic conductive alloy metal wire and a buckle structure, the elastic conductive alloy metal wire is made of nickel-based high-conductivity high-elasticity alloy and is installed in the installation groove, the nickel-based high-conductivity high-elasticity alloy has excellent conductivity and elasticity, the shape of the metal wire is spring-shaped, the inner diameters of two ends of the spring-shaped elastic conductive alloy metal wire are larger than the inner diameter of the middle part, the inner diameter of the middle part is smaller than the inner diameter of the metal wire in the connected circuit, in order to more conveniently and quickly wire connection, ensure the safety of users and save the time required by wire connection, the buckle structure is arranged in the mounting notch, is of an inverted tooth-shaped structure and can be more tightly connected with a line inserted in, the weight that can bear the weight of circuit makes external circuit be difficult to drop, and the notch of mounting groove is equipped with dampproofing rubber gum cover.
The outgoing switch is firstly connected with a circuit, the wiring protection device body is buckled on the outgoing switch in a buckling mode, exposed parts of conductive metal of a load input end circuit are arranged, the load input end circuit is inserted into the circuit fast plugging device, the circuit is clamped and fixed through buckles of the notch of the mounting groove, the radius of the conductive metal wire of the load input end circuit is larger than the middle inner diameter of the spring-shaped elastic conductive alloy metal wire of the circuit fast plugging device, and therefore the load input end circuit can be in more sufficient contact and better transmit electric energy. The electric energy is transmitted from the outgoing switch, the sampling circuit module firstly samples signals, the sampled signals enter the operation module through the isolation circuit to be simply calculated and analyzed, the operation module transmits and outputs the signal data after operation to be transmitted to the multiple alarm module, a series of comparison operation of the data is carried out, if no problem occurs after the operation is carried out again, the electric energy is normally conducted, if abnormal signal data is found after the operation, a circuit is immediately disconnected, an alarm is sent out, and a user can pay attention to the fact that the user himself or a person in charge of finding the relevant problem is examined and repaired.
In the embodiment shown in fig. 2, the multiple alarm module 500 includes a temperature detection device 501, a compensation circuit 502, a data comparison processor 503, an electromagnetic connection protection device 504, an alarm 505, and a user identification device 506, an input end of the compensation circuit is connected to an output end of the operation module, an input end of the data comparison processor is connected to output ends of the compensation circuit and the temperature detection device, an input end of the electromagnetic connection protection device is connected to an output end of the data comparison processor, an output end of the user identification device, and an output end of the outgoing switch, and an output end of the electromagnetic connection protection device is connected to input ends of the alarm and the line quick plugging device.
The electromagnetic connection protection device is an electromagnetic relay, a contact of the electromagnetic connection protection device is made of high-temperature-resistant conductive metal, the alarm is a buzzer alarm, and the user identification device is a wireless radio frequency identification device. The temperature detection device is used for detecting the temperature of the device, preventing the device from being over-high in temperature and burning out internal components, generating electric arc when a contact of the electromagnetic protection device is in short circuit breaking, leading the contact to be melted or leading the contact resistance of the contact to be increased under the high-temperature action of the electric arc, and monitoring the temperature because the contact of the electromagnetic protection device is made of high-temperature-resistant conductive metal materials; the compensation circuit carries out amplification compensation on the transmitted signal to enable the signal to be more accurate, the data comparison processor carries out data analysis on the signal transmitted by the compensation circuit and compares the signal with set data to judge one condition of the device or a load and then determines whether to carry out circuit breaking processing or not, and the data comparison processor needs to carry out condition judgment in a very short time; the RFID device is an RFID technical device, has mature and practical technology, comprises an identity card and a reader, and is characterized in that an electromagnetic protection connecting device is changed into a connected state by identifying a correct identity card, the electromagnetic connection protecting device has the function of connecting or disconnecting a circuit, and a buzzer alarm is used by an alarm to directly enable a user to pay attention to the possible situation of a load so as to determine countermeasures.
The multiple alarm module is equivalent to a lock on the door, only when verifying, just can carry out the transmission of electric energy, at first will carry out user's identification, the radio frequency identification technology has been used, this technique wide application is in the middle of the reality, for example two take place ofs ID cards, entrance guard's card and bus card etc., mainly be divided into electronic tags and reader, the device that has the reader function is installed in electromagnetic connection protection device, before not discerning correct electronic tags, electromagnetic connection protection device is off state, only when reading corresponding electronic tags, just can become the connected state. The temperature detection device is also used for detecting whether the internal temperature of the device is normal or not at any time and transmitting the data to the data comparison processor, if the data are not abnormal, the device is a normal path, if the data are abnormal, the device is quickly disconnected, a buzzer is activated, surrounding users are warned to notice the situation at the place, and the devices can be called or called related responsible persons to check and maintain the equipment condition.
The above-described embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and other variations and modifications may be made without departing from the spirit of the invention as set forth in the claims.
Claims (8)
1. A wiring protection device of a wire outlet switch is characterized by comprising
The shell has good insulating property, eliminates surface static electricity and is connected with the outgoing switch in a buckling way;
the sampling circuit module is used for sampling the passing current signal, and the input end of the sampling circuit module is connected with the outgoing line switch;
the isolation circuit module isolates a strong current signal from a weak current signal, and the input end of the isolation circuit module is connected with the output end of the sampling circuit module;
the operation module is used for receiving and operating the sampled current signal, and the input end of the operation module is connected with the output end of the isolation circuit module;
the multiple alarm module is used for performing multiple judgment on the input signal to perform the functions of identifying a user, reminding the user and protecting the circuit, and the input end of the multiple alarm module is respectively connected with the output end of the operation module and the outgoing switch;
the circuit fast plugging device enables an external circuit to be plugged fast, and the input end of the circuit fast plugging device is connected with the output end of the multiple alarm module.
2. The wiring protection device of claim 1, wherein said housing is made of an antistatic insulating polyethylene material.
3. The wiring protection device of an outgoing line switch as claimed in claim 1, wherein the sampling circuit module is configured to sample current signals using high-precision manganese-copper alloy; the isolation circuit module adopts a digital isolation device to isolate strong current and weak current.
4. The wiring protection device of an outgoing line switch according to claim 1, wherein the multiple alarm module comprises a temperature detection device, a compensation circuit, a data comparison processor, a user identification device, an electromagnetic connection protection device and an alarm, an input end of the compensation circuit is connected with an output end of the operation module, an input end of the data comparison processor is connected with output ends of the compensation circuit and the temperature detection device, an input end of the electromagnetic connection protection device is connected with an output end of the data comparison processor, the user identification device and the outgoing line switch, and an output end of the electromagnetic connection protection device is connected with input ends of the alarm and the line quick plugging device.
5. A wiring protection device of an outgoing line switch as claimed in claim 4, wherein the electromagnetic connection protection device is an electromagnetic relay, a contact of the electromagnetic connection protection device is made of high temperature resistant conductive metal, and the alarm is a buzzer alarm.
6. A wiring protection device for an outlet switch according to claim 4, wherein said user identification means is a radio frequency identification device, said radio frequency identification device including an identity card and a reader.
7. The connection protection device of an outgoing line switch according to claim 1 or 2, wherein a mounting groove is formed in the housing, the circuit quick plugging device is mounted in the mounting groove, the circuit quick plugging device comprises an elastic conductive alloy metal wire and a buckle structure, the elastic conductive alloy metal wire is mounted in the mounting groove, the buckle structure is mounted in the mounting notch, the elastic conductive alloy metal wire is in a spring shape, the inner diameters of two ends of the elastic conductive alloy metal wire are larger than the inner diameter of the middle of the elastic conductive alloy metal wire, and the inner diameter of the middle of the elastic conductive alloy metal wire is smaller than the inner diameter of the metal wire in the connected circuit; the inner side of the buckle structure is of a pawl-shaped structure.
8. The wiring protection device of an outgoing line switch as claimed in claim 7, wherein said elastic conductive alloy wire is a nickel-based high-conductivity high-elasticity alloy; the notch of the mounting groove is provided with a damp-proof rubber sleeve.
Priority Applications (1)
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CN202111254982.3A CN114552541A (en) | 2021-10-27 | 2021-10-27 | Wiring protection device of outgoing line switch |
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CN202111254982.3A CN114552541A (en) | 2021-10-27 | 2021-10-27 | Wiring protection device of outgoing line switch |
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN203839622U (en) * | 2014-05-15 | 2014-09-17 | 华北电力大学(保定) | Multifunctional plug-in connector |
CN206388957U (en) * | 2016-07-31 | 2017-08-08 | 重庆渝开信息技术有限公司 | Multifunctional socket |
CN107615611A (en) * | 2015-04-30 | 2018-01-19 | 依顿科技有限公司 | Power supply control |
CN107895943A (en) * | 2017-10-16 | 2018-04-10 | 霍尼韦尔环境自控产品(天津)有限公司 | Device and its control method with wiring protection function |
CN110492314A (en) * | 2019-08-02 | 2019-11-22 | 桂林电子科技大学 | The control method of socket, plug and socket |
CN112383041A (en) * | 2020-11-27 | 2021-02-19 | 佛山市顺德区美的电子科技有限公司 | Wiring protection method, circuit and device and household appliance |
-
2021
- 2021-10-27 CN CN202111254982.3A patent/CN114552541A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN203839622U (en) * | 2014-05-15 | 2014-09-17 | 华北电力大学(保定) | Multifunctional plug-in connector |
CN107615611A (en) * | 2015-04-30 | 2018-01-19 | 依顿科技有限公司 | Power supply control |
CN206388957U (en) * | 2016-07-31 | 2017-08-08 | 重庆渝开信息技术有限公司 | Multifunctional socket |
CN107895943A (en) * | 2017-10-16 | 2018-04-10 | 霍尼韦尔环境自控产品(天津)有限公司 | Device and its control method with wiring protection function |
CN110492314A (en) * | 2019-08-02 | 2019-11-22 | 桂林电子科技大学 | The control method of socket, plug and socket |
CN112383041A (en) * | 2020-11-27 | 2021-02-19 | 佛山市顺德区美的电子科技有限公司 | Wiring protection method, circuit and device and household appliance |
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