CN214337535U - Remote electrical fault measurement and control device - Google Patents
Remote electrical fault measurement and control device Download PDFInfo
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- CN214337535U CN214337535U CN202120238214.8U CN202120238214U CN214337535U CN 214337535 U CN214337535 U CN 214337535U CN 202120238214 U CN202120238214 U CN 202120238214U CN 214337535 U CN214337535 U CN 214337535U
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- 238000001514 detection method Methods 0.000 claims abstract description 106
- 238000004891 communication Methods 0.000 claims abstract description 100
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- 230000009977 dual effect Effects 0.000 abstract description 2
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- 235000013330 chicken meat Nutrition 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000009360 aquaculture Methods 0.000 description 1
- 244000144974 aquaculture Species 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000013024 troubleshooting Methods 0.000 description 1
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- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
- Y04S10/52—Outage or fault management, e.g. fault detection or location
Abstract
The utility model discloses a remote electrical fault measurement and control device, which comprises a power supply unit, a communication module, a fault detection unit and a remote control end; the power supply unit supplies power to the communication module and the fault detection unit through the leakage circuit breaker QK 1; the output end of the communication module is connected with a control switch cabinet of the field device to be controlled in series, the input end of the communication module is connected with the fault detection unit, the remote control end is connected with the communication module in a two-way mode, and the remote control end receives detection signals of the communication module remotely and sends control instructions to the output end of the communication module remotely. The utility model discloses a dual power supply avoids having a power failure and can't carry out fault detection to realize the detection of trouble through relay KA and electrical fault point series connection, communication module's input can receive the fault signal when the trouble takes place, and the antenna is sent and is given the remote control end, and the remote control end is last to show the trouble and report to the police, and operating personnel can send the instruction and give communication module's output fault-cutting.
Description
Technical Field
The utility model belongs to the technical field of electrical detection, concretely relates to long-range electrical fault measurement and control device.
Background
Electric energy is used as the most important secondary energy in modern times, is widely applied in production and life, and plays an extremely important role in the modernization process of human society. The production, transmission, use and control of electrical energy is constantly evolving and updating. The electric equipment utilizes electric energy to realize the conversion of electric energy, but the electric fault inevitably all breaks down, but when present electric equipment goes wrong, need carry out troubleshooting one by one, then manual operation solves the trouble, has the defect that the fault discovery is untimely and can't cut off the trouble by oneself.
SUMMERY OF THE UTILITY MODEL
To the not enough of existence among the above-mentioned prior art, the utility model provides a long-range electrical fault measurement and control device.
The utility model discloses the technical scheme who adopts does:
a remote electrical fault measurement and control device comprises a power supply unit, a communication module, at least one group of fault detection units and a remote control end; the communication module adopts a 4G full-network communication module with the model of BYL-01, can be in wireless communication with the remote control end and is provided with a switching value input end and a switching value output end, and the switching value output end can control whether the field equipment is electrified or not according to the instruction of the remote control end. The remote control terminal is a mobile terminal with an APP and can display fault information and make a pre-stored call.
The power supply unit supplies power to the communication module and the at least one group of fault detection units through the leakage circuit breaker QK 1; the output end of the communication module is connected with a control switch cabinet of the field device to be controlled in series, the input end of the communication module is connected with the fault detection unit and receives a detection signal of the fault detection unit, the remote control end is connected with the communication module in a bidirectional mode, and the remote control end receives the detection signal of the communication module remotely and sends a control instruction to the output end of the communication module remotely;
each group of fault detection units comprises a detection main circuit and a detection control circuit, the detection main circuit comprises an electrified delay normally-open contact KT1 of an electrified delay time relay, and the electrified delay normally-open contact KT1 is connected with the input end and the public end of the communication module;
the detection control circuit comprises a detection relay coil KA, a detection relay normally-open contact KA and a power-on time delay relay coil KT1, the detection relay coil KA is connected with an electrical fault terminal of the field device to be detected in series and then connected with a live wire outlet end of the residual current circuit breaker QK1, and the other end of the detection relay coil KA is connected with a zero line outlet end of the residual current circuit breaker QK 1;
one end of the normally open contact KA of the detection relay is connected with a live wire outlet end of the electric leakage breaker QK1, and the other end of the normally open contact KA of the detection relay is connected with a zero line outlet end of the electric leakage breaker QK1 after being connected with the power-on delay time relay coil KT1 in series.
When the field device breaks down, the detection relay coil KA is electrified, the detection relay normally open contact KA is closed, the electrified delay time relay coil KT1 is electrified, the electrified delay normally open contact KT1 is in delay closing and gives a fault signal of the input end of the communication module in a timing cycle mode, the communication module sends the fault signal to the remote control end through the antenna, the remote control end displays fault information, the remote control end enables the remote control end to automatically dial a mobile phone number bound by a user, and meanwhile, the power supply of a switch cabinet of the electric device is cut off.
As a preferred scheme of the utility model, power supply unit includes binding post, and the commercial power is connected with electric leakage circuit breaker QK1 through binding post, and the 220V alternating current is connected with binding post and is supplied power.
As the utility model discloses an optimal scheme, in order to prevent the unable trouble that detects the consumer after the commercial power outage, power supply unit still includes uninterrupted power source UPS, and uninterrupted power source UPS's input and binding post are connected, and uninterrupted power source UPS's output and electric leakage circuit breaker QK1 are connected.
As a preferred scheme of the utility model, in order to better detect faults under different power supply modes, the utility model is also provided with a power failure detection unit, and the power failure detection unit comprises a power failure detection main circuit and a power failure detection control circuit; the power failure detection main circuit comprises a power-on delay normally-open contact KT of a power-on delay time relay, and the power-on delay normally-open contact KT is connected with the input end and the public end of the communication module; the power-off detection control circuit comprises a power-off relay coil KA1, a power-off relay normally closed contact KA1 and an electrified delay time relay coil KT; a power-off relay coil KA1 is connected in series with a fire wire end L and a zero wire end N of the wiring terminal;
normally closed contact KA1 of outage relay and circular telegram time delay relay coil KT are connected after series connection and are connected at earth leakage circuit breaker QK 1's live wire outlet terminal and zero line outlet terminal, outage detecting element can accurately detect whether mains supply or uninterrupted power source UPS supplies power, give outage signal for communication module regularly U circulation when uninterrupted power source UPS supplies power, when having the trouble again, make remote control end can dial every settlement time and prestore the telephone and report to the police and let more people find fault information, make the maintainer in time rush to the site processing, avoid the disaster to take place.
As a preferred scheme of the utility model, circular telegram time delay relay KT and circular telegram time delay relay KT1 all adopt two-way time switch time relay. The bidirectional time switch time relay can adopt the model number HHS5R, and can set power-on and power-off time to repeatedly power on and power off to send a circulating signal to the communication module.
As an optimized scheme of the utility model, to the measurement and control device that is provided with outage detection and uninterrupted UPS power supply, outage relay coil KA1 circular telegram after the commercial power switches on, outage relay normally closed contact KA1 disconnection, uninterrupted power source UPS is electrified, electric leakage circuit breaker QK1 is electrified closed, communication module is electrified, remote control end and communication module communication receive communication module's detection signal, send control command to communication module's output;
when the electrical equipment is in failure, the relay coil KA is detected to be electrified, the normally open contact KA of the relay is detected to be closed, the electrifying delay time relay coil KT1 is electrified, and the electrifying delay normally open contact KT1 of the electrifying delay time relay is closed to send a failure signal to the communication module in a timing cycle; the remote control end receives the fault signal to send an alarm and dials a prestored telephone, and an operator sends a control instruction to the communication module through the remote control end to cut off the power supply of the electric equipment;
when the mains supply is powered off, the power-off relay coil KA1 loses power, the UPS supplies power, the leakage circuit breaker QK1 is powered on and closed, and the communication module is powered on; the normally closed contact KA1 of the power-off relay is reset and closed, the coil KT of the power-on time-delay relay is electrified, and the power-on time-delay normally open contact KT sends a power-off signal to the communication module in a timing cycle mode; when the electrical equipment is in failure, the relay coil KA is detected to be electrified, the normally open contact KA of the relay is detected to be closed, the electrifying delay time relay coil KT1 is electrified, and the electrifying delay normally open contact KT1 of the electrifying delay time relay is closed to send a failure signal to the communication module in a timing cycle; the remote control end receives the fault signal and the power-off signal to send out an alarm and dial a prestored telephone.
As a preferred scheme of the utility model, communication module is equipped with the extension module, and the extension module has switching value input port and switching value delivery outlet, sets for the number according to the customer's demand, receives the control of remote control end.
As an optimized scheme of the utility model, communication module is connected with temperature sensor, and temperature sensor adopts NTC temperature sensor, detects real-time air temperature information and shows at the remote control end.
The utility model discloses the setting adopts the dual power supply to avoid having a power failure and can't carry out fault detection to realize the detection of trouble through relay KA and electrical equipment fault point series connection, communication module's input can receive fault signal when the trouble takes place, and the antenna is sent for the remote control end, shows fault information and reports to the police on the remote control end, and operating personnel can send the instruction and cut off the trouble for communication module's output. The utility model discloses mainly be used for detecting each electrical fault signal of user field device, user field device has a power failure and calls the notice certainly to can carry out the temperature on field device and look over on the remote mobile phone terminal, and the extension module that sets up can make digital quantity module show the digital quantity numerical value that needs, such as pressure, liquid level, quality of water etc. mobile phone terminal is through the APP remote start stop field device who loads.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and the embodiments in the drawings do not constitute any limitation to the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without any creative efforts.
Fig. 1 is a schematic circuit diagram of embodiment 1.
Fig. 2 is a schematic circuit diagram of embodiment 2.
Fig. 3 is a schematic circuit diagram of embodiment 3.
Detailed Description
The technical solution of the present invention will be described in further detail with reference to the accompanying drawings and embodiments, which are preferred embodiments of the present invention. It is to be understood that the described embodiments are merely a subset of the embodiments of the invention, and not all embodiments; it should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1:
a remote electrical fault measurement and control device is shown in figure 1 and comprises a power supply unit, a communication module, at least one group of fault detection units and a remote control end; the number of the fault detection units is set according to the user requirements, and the fault detection units are connected in parallel. The communication module adopts a 4G full-network communication module with the model of BYL-01, can be in wireless communication with the remote control end and is provided with a switching value input end and a switching value output end, and the switching value output end can control whether the field equipment is powered on or not according to an instruction of the remote control end. The remote control terminal is a mobile terminal with an APP and can display fault information and make a pre-stored call.
The power supply unit comprises a wiring terminal, the mains supply is connected with the residual current circuit breaker QK1 through the wiring terminal, and 220V alternating current is connected with the wiring terminal; the mains supply supplies power to the communication module and the at least one group of fault detection units through the wiring terminal and the residual current circuit breaker QK 1; the output end of the communication module is connected with a control switch cabinet of the field device to be controlled in series, the input end of the communication module is connected with the fault detection unit and receives a detection signal of the fault detection unit, the remote control end is connected with the communication module in a bidirectional mode, and the remote control end receives the detection signal of the communication module remotely and sends a control instruction to the output end of the communication module remotely; the communication module is provided with an expansion module and a temperature sensor, the expansion module is provided with a switching value/digital value input port and a switching value/digital value output port, the number of the switching value/digital value input ports and the switching value/digital value output ports is set according to the requirements of customers, the expansion module receives the control of a remote control end, and the temperature sensor adopts an NTC temperature sensor to detect real-time air temperature information and display the information at the remote control end.
The fault detection unit comprises a detection main circuit and a detection control circuit, wherein the detection main circuit comprises an electrified delay normally-open contact KT1 of an electrified delay time relay, and the electrified delay normally-open contact KT1 is connected with the input end and the public end of the communication module;
the detection control circuit comprises a detection relay coil KA, a detection relay normally-open contact KA and a power-on time delay relay coil KT1, the detection relay coil KA is connected with an electrical fault terminal of the field device to be detected in series and then connected with a live wire outlet end of the residual current circuit breaker QK1, and the other end of the detection relay coil KA is connected with a zero line outlet end of the residual current circuit breaker QK 1;
one end of the normally open contact KA of the detection relay is connected with a live wire outlet end of the electric leakage breaker QK1, and the other end of the normally open contact KA of the detection relay is connected with a zero line outlet end of the electric leakage breaker QK1 after being connected with the power-on delay time relay coil KT1 in series.
When the field device breaks down, the detection relay coil KA is electrified, the detection relay normally open contact KA is closed, the electrified delay time relay coil KT1 is electrified, the electrified delay normally open contact KT1 is in delay closing and gives a fault signal of the input end of the communication module in a timing cycle mode, the communication module sends the fault signal to the remote control end through the antenna, the remote control end displays fault information, the remote control end enables the remote control end to automatically dial a mobile phone number bound by a user, and meanwhile, the power supply of a switch cabinet of the electric device is cut off.
Example 2:
the utility model provides a long-range electrical fault measurement and control device, as shown in fig. 2, in order to prevent the unable trouble that detects consumer after the commercial power outage, power supply unit still includes uninterrupted power source UPS, and uninterrupted power source UPS's input and binding post are connected, and uninterrupted power source UPS's output and residual current circuit breaker QK1 are connected, and all the other is the same with embodiment 1.
Example 3:
a remote electrical fault measurement and control device is shown in figure 3 and comprises a power supply unit, a communication module, at least one group of fault detection units, a power failure detection unit and a remote control end; the number of the fault detection units is set according to the user requirements, and the fault detection units are connected in parallel. The communication module adopts a 4G full-network communication module with the model of BYL-01, can be in wireless communication with the remote control end and is provided with a switching value input end and a switching value output end, and the switching value output end can control whether the field equipment is powered on or not according to an instruction of the remote control end. The remote control terminal is a mobile terminal with an APP and can display fault information and make a pre-stored call.
The power supply unit comprises a wiring terminal and an Uninterruptible Power Supply (UPS), a mains supply is connected with the wiring terminal, the input end of the UPS is connected with the wiring terminal, the output end of the UPS is connected with a leakage circuit breaker QK1, and the leakage circuit breaker QK1 provides a communication module and a fault detection unit.
The output end of the communication module is connected with a control switch cabinet of the field device to be controlled in series, the input end of the communication module is connected with the fault detection unit and receives a detection signal of the fault detection unit, the remote control end is connected with the communication module in a bidirectional mode, and the remote control end receives the detection signal of the communication module remotely and sends a control instruction to the output end of the communication module remotely; the communication module is provided with an expansion module and a temperature sensor, the expansion module is provided with a switching value/digital value input port and a switching value/digital value output port, the number of the switching value/digital value input ports and the switching value/digital value output ports is set according to the requirements of customers, the expansion module receives the control of a remote control end, and the temperature sensor adopts an NTC temperature sensor to detect real-time air temperature information and display the information at the remote control end.
The fault detection unit comprises a detection main circuit and a detection control circuit, wherein the detection main circuit comprises an electrified delay normally-open contact KT1 of an electrified delay time relay, and the electrified delay normally-open contact KT1 is connected with the input end and the public end of the communication module;
the detection control circuit comprises a detection relay coil KA, a detection relay normally-open contact KA and a power-on time delay relay coil KT1, the detection relay coil KA is connected with an electrical fault terminal of the field device to be detected in series and then connected with a live wire outlet end of the residual current circuit breaker QK1, and the other end of the detection relay coil KA is connected with a zero line outlet end of the residual current circuit breaker QK 1;
one end of the normally open contact KA of the detection relay is connected with a live wire outlet end of the electric leakage breaker QK1, and the other end of the normally open contact KA of the detection relay is connected with a zero line outlet end of the electric leakage breaker QK1 after being connected with the power-on delay time relay coil KT1 in series.
The power failure detection unit comprises a power failure detection main circuit and a power failure detection control circuit; the power failure detection main circuit comprises a power-on delay normally-open contact KT of a power-on delay time relay, and the power-on delay normally-open contact KT is connected with the input end and the public end of the communication module; the power-off detection control circuit comprises a power-off relay coil KA1, a power-off relay normally closed contact KA1 and an electrified delay time relay coil KT; a power-off relay coil KA1 is connected in series with a fire wire end L and a zero wire end N of the wiring terminal;
normally closed contact KA1 of outage relay and circular telegram time delay relay coil KT are connected after series connection and are connected at earth leakage circuit breaker QK 1's live wire outlet terminal and zero line outlet terminal, outage detecting element can accurately detect whether mains supply or uninterrupted power source UPS supplies power, give outage signal for communication module regularly U circulation when uninterrupted power source UPS supplies power, when having the trouble again, make remote control end can dial every settlement time and prestore the telephone and report to the police and let more people find fault information, make the maintainer in time rush to the site processing, avoid the disaster to take place.
In this embodiment, the energization time delay relay KT and the energization time delay relay KT1 both adopt bidirectional time switch time relays. The bidirectional time switch time relay can adopt the model number HHS5R, and can set power-on and power-off time to repeatedly power on and power off to send a circulating signal to the communication module.
The working principle is as follows:
after the mains supply is connected, the power-off relay coil KA1 is electrified, the normally closed contact KA1 of the power-off relay is disconnected, the UPS is powered on, the electric leakage circuit breaker QK1 is powered on and closed, the communication module is powered on, and the remote control end is communicated with the communication module to receive a detection signal of the communication module and send a control command to the output end of the communication module;
when the electrical equipment is in failure, the relay coil KA is detected to be electrified, the normally open contact KA of the relay is detected to be closed, the electrifying delay time relay coil KT1 is electrified, and the electrifying delay normally open contact KT1 of the electrifying delay time relay is closed to send a failure signal to the communication module in a timing cycle; the remote control end receives the fault signal to send an alarm and dials a prestored telephone, and an operator sends a control instruction to the communication module through the remote control end to cut off the power supply of the electric equipment;
when the mains supply is powered off, the power-off relay coil KA1 loses power, the UPS supplies power, the leakage circuit breaker QK1 is powered on and closed, and the communication module is powered on; the normally closed contact KA1 of the power-off relay is reset and closed, the coil KT of the power-on time-delay relay is electrified, and the power-on time-delay normally open contact KT sends a power-off signal to the communication module in a timing cycle mode; when the electrical equipment is in failure, the relay coil KA is detected to be electrified, the normally open contact KA of the relay is detected to be closed, the electrifying delay time relay coil KT1 is electrified, and the electrifying delay normally open contact KT1 of the electrifying delay time relay is closed to send a failure signal to the communication module in a timing cycle; the remote control end receives the fault signal and the power-off signal to send out an alarm and dial a prestored telephone.
The use benefits of the device are illustrated below by taking a chicken farm as an example:
the chicken coop of aquaculture, the chicken coop has tens of thousands of chickens, chicken itself has the temperature, the temperature that produces in the house is high, the customer is equipped with cooling device, in case the power failure outage 30 minutes people is not on-the-spot, the cooling device does not start will heat the dead chicken, cause very big economic loss, especially summer is more serious, this kind of condition adopts the utility model discloses a remote electrical failure measurement and control device just can call the user report power failure in 10 seconds automatically, let the user do all can in time handle, and even the commercial power has stopped the utility model discloses the device is also just harmless, because have the sustainable 3 hours power supplies power of UPS power certainly to can regularly circulate and dial the cell-phone number that the user prestores in APP, even user's cell-phone signal can not receive also irrelevant for the first time, and can bind 3 different cell-phone numbers and inform 3 managers.
When detecting that user field device has an electrical fault signal, communication module is for taking the long-range measurement and control terminal automatic call user's 11 cell-phone numbers in china of APP, and after the user answers the incoming call, can automatic voice broadcast APP prestore good trouble name position in setting, and UPS uninterrupted power supply circulation is regularly dialled after having a power failure moreover.
After the device monitors and controls the input signal, the remote monitoring and control terminals such as the mobile phone and the like can send out alarm sound per se and can also be set to be closed, and can be connected with a Bluetooth sound amplifying horn to enable the user equipment to know the alarm sound regionally in a larger area.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (10)
1. A remote electrical fault measurement and control device is characterized in that: the system comprises a power supply unit, a communication module, at least one group of fault detection units and a remote control end; the power supply unit supplies power to the communication module and the at least one group of fault detection units through the leakage circuit breaker QK 1; the output end of the communication module is connected with a control switch cabinet of the field device to be controlled in series, the input end of the communication module is connected with the fault detection unit and receives a detection signal of the fault detection unit, the remote control end is connected with the communication module in a bidirectional mode, and the remote control end receives the detection signal of the communication module remotely and sends a control instruction to the output end of the communication module remotely;
each group of fault detection units comprises a detection main circuit and a detection control circuit, the detection main circuit comprises an electrified delay normally-open contact KT1 of an electrified delay time relay, and the electrified delay normally-open contact KT1 is connected with the input end and the public end of the communication module;
the detection control circuit comprises a detection relay coil KA, a detection relay normally-open contact KA and a power-on time delay relay coil KT1, the detection relay coil KA is connected with an electrical fault terminal of the field device to be detected in series and then connected with a live wire outlet end of the residual current circuit breaker QK1, and the other end of the detection relay coil KA is connected with a zero line outlet end of the residual current circuit breaker QK 1;
one end of the normally open contact KA of the detection relay is connected with a live wire outlet end of the electric leakage breaker QK1, and the other end of the normally open contact KA of the detection relay is connected with a zero line outlet end of the electric leakage breaker QK1 after being connected with the power-on delay time relay coil KT1 in series.
2. The remote electrical fault measurement and control device of claim 1, wherein: the communication module adopts a 4G full-network communication module with the model number of BYL-01.
3. The remote electrical fault measurement and control device of claim 1, wherein: the power supply unit comprises a wiring terminal, and the mains supply is connected with the residual current circuit breaker QK1 through the wiring terminal.
4. The remote electrical fault measurement and control device of claim 3, wherein: the power supply unit further comprises an Uninterruptible Power Supply (UPS), the input end of the UPS is connected with the wiring terminal, and the output end of the UPS is connected with the leakage circuit breaker QK 1.
5. The remote electrical fault measurement and control device of any of claims 3 or 4, wherein: the power failure detection unit comprises a power failure detection main circuit and a power failure detection control circuit; the power failure detection main circuit comprises a power-on delay normally-open contact KT of a power-on delay time relay, and the power-on delay normally-open contact KT is connected with the input end and the public end of the communication module; the power-off detection control circuit comprises a power-off relay coil KA1, a power-off relay normally closed contact KA1 and an electrified delay time relay coil KT; a power-off relay coil KA1 is connected in series with a fire wire end L and a zero wire end N of the wiring terminal;
the normally closed contact KA1 of the power-off relay and the coil KT of the power-on time delay relay are connected in series and then connected with the live wire outlet end and the zero wire outlet end of the leakage circuit breaker QK 1.
6. The remote electrical fault measurement and control device of claim 5, wherein: and the electrified time delay relay KT1 both adopt bidirectional time switch time relays.
7. The remote electrical fault measurement and control device of claim 5, wherein: after the mains supply is connected, the power-off relay coil KA1 is electrified, the normally closed contact KA1 of the power-off relay is disconnected, the UPS is powered on, the electric leakage circuit breaker QK1 is powered on and closed, the communication module is powered on, and the remote control end is communicated with the communication module to receive a detection signal of the communication module and send a control command to the output end of the communication module;
when the electrical equipment is in failure, the relay coil KA is detected to be electrified, the normally open contact KA of the relay is detected to be closed, the electrifying delay time relay coil KT1 is electrified, and the electrifying delay normally open contact KT1 of the electrifying delay time relay is closed to send a failure signal to the communication module in a timing cycle; the remote control end receives the fault signal to send an alarm and dials a prestored telephone, and an operator sends a control instruction to the communication module through the remote control end to cut off the power supply of the electric equipment;
when the mains supply is powered off, the power-off relay coil KA1 loses power, the UPS supplies power, the leakage circuit breaker QK1 is powered on and closed, and the communication module is powered on; the normally closed contact KA1 of the power-off relay is reset and closed, the coil KT of the power-on time-delay relay is electrified, and the power-on time-delay normally open contact KT sends a power-off signal to the communication module in a timing cycle mode;
when the electrical equipment is in failure, the relay coil KA is detected to be electrified, the normally open contact KA of the relay is detected to be closed, the electrifying delay time relay coil KT1 is electrified, and the electrifying delay normally open contact KT1 of the electrifying delay time relay is closed to send a failure signal to the communication module in a timing cycle; the remote control end receives the fault signal and the power-off signal to send out an alarm and dial a prestored telephone.
8. The remote electrical fault measurement and control device of claim 1, wherein: the remote control end is a mobile terminal with an APP.
9. The remote electrical fault measurement and control device of claim 1, wherein: the communication module is provided with an expansion module.
10. The remote electrical fault measurement and control device of claim 1, wherein: the communication module is connected with the temperature sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120238214.8U CN214337535U (en) | 2021-01-28 | 2021-01-28 | Remote electrical fault measurement and control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120238214.8U CN214337535U (en) | 2021-01-28 | 2021-01-28 | Remote electrical fault measurement and control device |
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| Publication Number | Publication Date |
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| CN214337535U true CN214337535U (en) | 2021-10-01 |
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|---|---|---|---|
| CN202120238214.8U Expired - Fee Related CN214337535U (en) | 2021-01-28 | 2021-01-28 | Remote electrical fault measurement and control device |
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| Country | Link |
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| CN (1) | CN214337535U (en) |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211001 |