CN114336549A - Power supply and distribution energy-saving device system capable of changing power parameters - Google Patents

Power supply and distribution energy-saving device system capable of changing power parameters Download PDF

Info

Publication number
CN114336549A
CN114336549A CN202210002215.1A CN202210002215A CN114336549A CN 114336549 A CN114336549 A CN 114336549A CN 202210002215 A CN202210002215 A CN 202210002215A CN 114336549 A CN114336549 A CN 114336549A
Authority
CN
China
Prior art keywords
module
data
control module
voltage
electromagnetic environment
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.)
Granted
Application number
CN202210002215.1A
Other languages
Chinese (zh)
Other versions
CN114336549B (en
Inventor
蔡金龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Science And Technology Investment Technology Group Co ltd
Original Assignee
China Science And Technology Investment Technology Group Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China Science And Technology Investment Technology Group Co ltd filed Critical China Science And Technology Investment Technology Group Co ltd
Priority to CN202210002215.1A priority Critical patent/CN114336549B/en
Publication of CN114336549A publication Critical patent/CN114336549A/en
Application granted granted Critical
Publication of CN114336549B publication Critical patent/CN114336549B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Control Of Voltage And Current In General (AREA)
  • Power Sources (AREA)

Abstract

The invention relates to a power supply and distribution energy-saving device system capable of changing power parameters, wherein unnecessary energy consumption exists in the process of testing voltage frequency by a traditional electricity saver; the method has the advantages that multiple factors of voltage, frequency, leakage current and ground resistance are bound with a time sequence, the traditional test only aiming at a certain time point is overcome, the test accuracy and the test accuracy are improved to a great extent, the requirement of electric equipment on the quality of electric energy is met, meanwhile, higher electricity-saving yield is obtained, in addition, threshold value time sequences, timing modules and the like are fully utilized, each module link is started successively, the invalid continuous action of partial modules is avoided, the core point-energy saving effect of people is further met, and the electric energy utilization efficiency is improved to a great extent; the grounding alarm test, the overvoltage alarm test, the leakage voltage alarm test and the leakage current alarm test are more conveniently carried out on the electric equipment, when abnormal conditions occur in the tests, the voltage is controlled to be cut off in time, and electric power accidents are avoided.

Description

Power supply and distribution energy-saving device system capable of changing power parameters
Technical Field
The invention belongs to the technical field of power supply and distribution energy conservation and testing, and particularly relates to a power supply and distribution energy-saving device system capable of changing power parameters.
Background
In the next half year, most areas in China implement electricity and production limitation because power supply and distribution are limited. In power utilization, power distribution, power transmission, power generation and power systems, more and more power electronic equipment, more and more complex specification and model and more excellent performance are provided; wind power generation, photovoltaic power generation and grid connection of a distributed power grid and impact of the grid connection; impact of a user side, start-stop impact of high-power electric equipment and superposition of the impact and the start-stop impact; frequency converters and other devices are widely used. Therefore, the problems that parameters such as the voltage frequency of the traditional electricity saver are not accurate, unnecessary energy consumption exists in the process of testing the voltage frequency of the traditional electricity saver, the execution process of testing the voltage of the traditional electricity saver possibly fails to be normally carried out and the like are caused.
Therefore, at present, a power supply and distribution energy saving device system capable of changing power parameters is needed to be designed to solve the above problems.
Disclosure of Invention
The invention aims to provide a power supply and distribution energy-saving device system capable of changing power parameters, which is used for solving the technical problems in the prior art, such as: in power utilization, power distribution, power transmission, power generation and power systems, more and more power electronic equipment, more and more complex specification and model and more excellent performance are provided; wind power generation, photovoltaic power generation and grid connection of a distributed power grid and impact of the grid connection; impact of a user side, start-stop impact of high-power electric equipment and superposition of the impact and the start-stop impact; frequency converters and other devices are widely used. Therefore, the problems that the traditional electricity saver is inaccurate in voltage regulation, unnecessary energy consumption exists in the voltage regulation process of the traditional electricity saver, the voltage regulation execution process of the traditional electricity saver is not normally performed and the like are caused.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a power supply and distribution energy-saving device capable of changing power parameters comprises a voltage access control module, a frequency and voltage test module, a leakage current test module, a voltage cut-off control module, a grounding resistance test module and a main control module; the device also comprises a timing module and a storage module; the voltage access control module is used for controlling the access of commercial power; the frequency voltage testing module is used for testing frequency voltage data in a threshold time sequence and recording the frequency voltage data as real-time frequency voltage data; the leakage current testing module is used for testing leakage current data in a threshold time sequence and recording the leakage current data as real-time leakage current data; the voltage cut-off control module is used for controlling the commercial power to be cut off; the grounding resistance testing module is used for testing grounding resistance data in a threshold time sequence and recording the grounding resistance data as real-time grounding resistance data; the storage module is used for storing the threshold time sequence and corresponding standard frequency voltage data, standard leakage current data and standard grounding resistance data in the period of the threshold time sequence; the timing module is used for timing to obtain actual timing data;
the main control module starts the voltage access control module, the frequency voltage test module, the leakage current test module and the timing module, and closes the voltage access control module, the frequency voltage test module, the leakage current test module and the timing module when actual timing data reaches a threshold time sequence; if the real-time frequency voltage data is matched with the standard frequency voltage data and the real-time leakage current data is matched with the standard leakage current data, the main control module starts the ground resistance testing module and the timing module, when the actual timing data reaches a threshold time sequence, the main control module closes the ground resistance testing module and the timing module, and if the real-time ground resistance data is not matched with the standard ground resistance data, the main control module starts the voltage cut-off control module; and if the real-time frequency voltage data is not matched with the standard frequency voltage data or the real-time leakage current data is not matched with the standard leakage current data, the main control module starts the voltage cut-off control module.
By the scheme, the problems that parameters such as the voltage frequency and the like of the traditional electricity saver are not accurate, unnecessary energy consumption exists in the voltage frequency testing process of the traditional electricity saver, the voltage testing execution process of the traditional electricity saver possibly fails to be normally carried out and the like are solved; the method binds a plurality of factors of voltage, frequency, leakage current and grounding resistance with a time sequence, overcomes the defect that the traditional test only aims at a certain time point, and greatly improves the test accuracy; moreover, threshold time sequences, timing modules and the like are fully utilized to start each module link in sequence, so that invalid continuous actions of partial modules are avoided, and core points-energy saving of people are further met; when abnormal conditions occur in the test, the voltage is controlled to be cut off in time, and electric power accidents are avoided.
The system further comprises a temperature detection module, wherein the temperature detection module is used for detecting temperature data in a threshold time sequence of the environment where the system is located and recording the temperature data as real-time temperature data;
the storage module is also used for storing corresponding standard temperature data in the time of the threshold time sequence;
before the main control module starts the voltage access control module, the temperature detection module and the timing module are started preferentially;
and when the actual timing data reaches the threshold time sequence, the main control module closes the temperature detection module and the timing module, and starts the voltage access control module if the real-time temperature data is matched with the standard temperature data.
The system further comprises a temperature adjusting module, wherein the temperature adjusting module is used for adjusting the temperature data of the environment where the system is located to standard temperature data;
and when the real-time temperature data is not matched with the standard temperature data, the main control module starts the temperature adjusting module.
The system further comprises an electromagnetic environment detection module, wherein the electromagnetic environment detection module is used for detecting electromagnetic environment data in a threshold time sequence of the environment where the system is located, and recording the electromagnetic environment data as real-time electromagnetic environment data;
the storage module is also used for storing the corresponding standard electromagnetic environment data in the period of time of the threshold time sequence;
before the main control module starts the voltage access control module, the electromagnetic environment detection module and the timing module are started preferentially;
when the actual timing data reaches the threshold time sequence, the main control module closes the electromagnetic environment detection module and the timing module, and if the real-time electromagnetic environment data is matched with the standard electromagnetic environment data, the main control module starts the voltage access control module.
The system further comprises an electromagnetic environment adjusting module, wherein the electromagnetic environment adjusting module is used for adjusting the electromagnetic environment data of the environment where the system is located to the standard electromagnetic environment data;
and when the real-time electromagnetic environment data is not matched with the standard electromagnetic environment data, the main control module starts the electromagnetic environment adjusting module.
A power supply and distribution energy-saving system capable of changing power parameters comprises the power supply and distribution energy-saving device capable of changing power parameters, a communication module and a monitoring terminal;
the main control module is in data communication with the monitoring terminal through the communication module.
The power supply and distribution energy-saving method capable of changing the power parameters adopts the power supply and distribution energy-saving device capable of changing the power parameters to perform power supply and distribution energy saving.
A storage medium having a computer program stored thereon, the computer program being executed to perform a power supply and distribution energy saving method as described above, wherein the power supply and distribution energy saving method is capable of changing power parameters.
Compared with the prior art, the invention has the beneficial effects that:
one innovation point of the scheme is that the problems that parameters such as the voltage frequency of a traditional electricity saver are not accurate, unnecessary energy consumption exists in the voltage frequency testing process of the traditional electricity saver, the voltage testing execution process of the traditional electricity saver is not normally performed and the like are solved; the method binds a plurality of factors of voltage, frequency, leakage current and grounding resistance with a time sequence, overcomes the defect that the traditional test only aims at a certain time point, and greatly improves the test accuracy; moreover, threshold time sequences, timing modules and the like are fully utilized to start each module link in sequence, so that invalid continuous actions of partial modules are avoided, and core points-energy saving of people are further met; when abnormal conditions occur in the test, the voltage is controlled to be cut off in time, and electric power accidents are avoided.
Drawings
Fig. 1 is a schematic structural diagram of an apparatus according to an embodiment of the present application.
Fig. 2 is a schematic diagram illustrating an operation principle of the apparatus according to the embodiment of the present application.
Fig. 3 is a schematic structural diagram of a system according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 3 of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b):
as shown in fig. 1, a power supply and distribution energy saving device capable of changing power parameters is provided, which includes a voltage access control module, a frequency-voltage test module, a leakage current test module, a voltage cut-off control module, a ground resistance test module, and a main control module; the device also comprises a timing module and a storage module; the voltage access control module is used for controlling the access of commercial power; the frequency voltage testing module is used for testing frequency voltage data in a threshold time sequence and recording the frequency voltage data as real-time frequency voltage data; the leakage current testing module is used for testing leakage current data in a threshold time sequence and recording the leakage current data as real-time leakage current data; the voltage cut-off control module is used for controlling the commercial power to be cut off; the grounding resistance testing module is used for testing grounding resistance data in a threshold time sequence and recording the grounding resistance data as real-time grounding resistance data; the storage module is used for storing the threshold time sequence and corresponding standard frequency voltage data, standard leakage current data and standard grounding resistance data in the period of the threshold time sequence; the timing module is used for timing to obtain actual timing data;
as shown in fig. 2, the main control module starts the voltage access control module, the frequency-voltage test module, the leakage current test module and the timing module, and closes the voltage access control module, the frequency-voltage test module, the leakage current test module and the timing module when the actual timing data reaches the threshold time sequence; if the real-time frequency voltage data is matched with the standard frequency voltage data and the real-time leakage current data is matched with the standard leakage current data, the main control module starts the ground resistance testing module and the timing module, when the actual timing data reaches a threshold time sequence, the main control module closes the ground resistance testing module and the timing module, and if the real-time ground resistance data is not matched with the standard ground resistance data, the main control module starts the voltage cut-off control module; and if the real-time frequency voltage data is not matched with the standard frequency voltage data or the real-time leakage current data is not matched with the standard leakage current data, the main control module starts the voltage cut-off control module.
In the scheme, the problems that parameters such as the voltage frequency and the like of the traditional electricity saver are not accurate, unnecessary energy consumption exists in the voltage frequency testing process of the traditional electricity saver, the voltage testing execution process of the traditional electricity saver possibly does not normally run and the like are solved; the method binds a plurality of factors of voltage, frequency, leakage current and grounding resistance with a time sequence, overcomes the defect that the traditional test only aims at a certain time point, and greatly improves the test accuracy; moreover, threshold time sequences, timing modules and the like are fully utilized to start each module link in sequence, so that invalid continuous actions of partial modules are avoided, and core points-energy saving of people are further met; when abnormal conditions occur in the test, the voltage is controlled to be cut off in time, and electric power accidents are avoided.
The system further comprises a temperature detection module, wherein the temperature detection module is used for detecting temperature data in a threshold time sequence of the environment where the system is located and recording the temperature data as real-time temperature data;
the storage module is also used for storing corresponding standard temperature data in the time of the threshold time sequence;
before the main control module starts the voltage access control module, the temperature detection module and the timing module are started preferentially;
and when the actual timing data reaches the threshold time sequence, the main control module closes the temperature detection module and the timing module, and starts the voltage access control module if the real-time temperature data is matched with the standard temperature data.
The system further comprises a temperature adjusting module, wherein the temperature adjusting module is used for adjusting the temperature data of the environment where the system is located to standard temperature data;
and when the real-time temperature data is not matched with the standard temperature data, the main control module starts the temperature adjusting module.
In the above scheme, through the mutual cooperation between temperature detection module, temperature regulation module, the timing module, can further with the influence of the temperature of this system place environment to this system, because in practical application, the test procedure that voltage, frequency, leakage current, ground resistance all can be influenced to high temperature or low temperature, so can further ensure the test accuracy.
The system further comprises an electromagnetic environment detection module, wherein the electromagnetic environment detection module is used for detecting electromagnetic environment data in a threshold time sequence of the environment where the system is located, and recording the electromagnetic environment data as real-time electromagnetic environment data;
the storage module is also used for storing the corresponding standard electromagnetic environment data in the period of time of the threshold time sequence;
before the main control module starts the voltage access control module, the electromagnetic environment detection module and the timing module are started preferentially;
when the actual timing data reaches the threshold time sequence, the main control module closes the electromagnetic environment detection module and the timing module, and if the real-time electromagnetic environment data is matched with the standard electromagnetic environment data, the main control module starts the voltage access control module.
The system further comprises an electromagnetic environment adjusting module, wherein the electromagnetic environment adjusting module is used for adjusting the electromagnetic environment data of the environment where the system is located to the standard electromagnetic environment data;
and when the real-time electromagnetic environment data is not matched with the standard electromagnetic environment data, the main control module starts the electromagnetic environment adjusting module.
In the above scheme, through the mutual cooperation between the electromagnetic environment detection module, the electromagnetic environment regulation module and the timing module, the influence of the electromagnetic environment of the environment where the system is located on the system can be further ensured, and because in practical application, the electromagnetic environment is not ideal, the test process of voltage, frequency, leakage current and grounding resistance can be influenced, so that the test accuracy can be further ensured.
As shown in fig. 3, a power supply and distribution energy saving system capable of changing power parameters includes the above power supply and distribution energy saving device capable of changing power parameters, further includes a communication module and a monitoring terminal;
the main control module is in data communication with the monitoring terminal through the communication module, so that the real-time output of the test condition is realized, and the checking by the staff of the monitoring terminal is facilitated.
The power supply and distribution energy-saving method capable of changing the power parameters adopts the power supply and distribution energy-saving device capable of changing the power parameters to perform power supply and distribution energy saving.
A storage medium having a computer program stored thereon, the computer program being executed to perform a power supply and distribution energy saving method as described above, wherein the power supply and distribution energy saving method is capable of changing power parameters.
The above are preferred embodiments of the present invention, and all changes made according to the technical scheme of the present invention that produce functional effects do not exceed the scope of the technical scheme of the present invention belong to the protection scope of the present invention.

Claims (8)

1. A power supply and distribution energy-saving device capable of changing power parameters is characterized by comprising a voltage access control module, a frequency and voltage test module, a leakage current test module, a voltage cut-off control module, a grounding resistance test module and a main control module; the device also comprises a timing module and a storage module; the voltage access control module is used for controlling the access of commercial power; the frequency voltage testing module is used for testing frequency voltage data in a threshold time sequence and recording the frequency voltage data as real-time frequency voltage data; the leakage current testing module is used for testing leakage current data in a threshold time sequence and recording the leakage current data as real-time leakage current data; the voltage cut-off control module is used for controlling the commercial power to be cut off; the grounding resistance testing module is used for testing grounding resistance data in a threshold time sequence and recording the grounding resistance data as real-time grounding resistance data; the storage module is used for storing the threshold time sequence and corresponding standard frequency voltage data, standard leakage current data and standard grounding resistance data in the period of the threshold time sequence; the timing module is used for timing to obtain actual timing data;
the main control module starts the voltage access control module, the frequency voltage test module, the leakage current test module and the timing module, and closes the voltage access control module, the frequency voltage test module, the leakage current test module and the timing module when actual timing data reaches a threshold time sequence; if the real-time frequency voltage data is matched with the standard frequency voltage data and the real-time leakage current data is matched with the standard leakage current data, the main control module starts the ground resistance testing module and the timing module, when the actual timing data reaches a threshold time sequence, the main control module closes the ground resistance testing module and the timing module, and if the real-time ground resistance data is not matched with the standard ground resistance data, the main control module starts the voltage cut-off control module; and if the real-time frequency voltage data is not matched with the standard frequency voltage data or the real-time leakage current data is not matched with the standard leakage current data, the main control module starts the voltage cut-off control module.
2. The power supply and distribution energy-saving device capable of changing power parameters as claimed in claim 1, further comprising a temperature detection module, wherein the temperature detection module is used for detecting temperature data in a threshold time sequence of the environment where the system is located, and recording the temperature data as real-time temperature data;
the storage module is also used for storing corresponding standard temperature data in the time of the threshold time sequence;
before the main control module starts the voltage access control module, the temperature detection module and the timing module are started preferentially;
and when the actual timing data reaches the threshold time sequence, the main control module closes the temperature detection module and the timing module, and starts the voltage access control module if the real-time temperature data is matched with the standard temperature data.
3. The power supply and distribution energy-saving device capable of changing power parameters as claimed in claim 2, further comprising a temperature adjusting module, wherein the temperature adjusting module is used for adjusting the temperature data of the environment where the system is located to the standard temperature data;
and when the real-time temperature data is not matched with the standard temperature data, the main control module starts the temperature adjusting module.
4. The power supply and distribution energy-saving device capable of changing power parameters as claimed in claim 1, further comprising an electromagnetic environment detection module, wherein the electromagnetic environment detection module is used for detecting electromagnetic environment data in a threshold time sequence of an environment where the system is located, and recording the electromagnetic environment data as real-time electromagnetic environment data;
the storage module is also used for storing the corresponding standard electromagnetic environment data in the period of time of the threshold time sequence;
before the main control module starts the voltage access control module, the electromagnetic environment detection module and the timing module are started preferentially;
when the actual timing data reaches the threshold time sequence, the main control module closes the electromagnetic environment detection module and the timing module, and if the real-time electromagnetic environment data is matched with the standard electromagnetic environment data, the main control module starts the voltage access control module.
5. The power supply and distribution energy-saving device capable of changing power parameters as claimed in claim 4, further comprising an electromagnetic environment adjusting module, wherein the electromagnetic environment adjusting module is used for adjusting the electromagnetic environment data of the environment where the system is located to the standard electromagnetic environment data;
and when the real-time electromagnetic environment data is not matched with the standard electromagnetic environment data, the main control module starts the electromagnetic environment adjusting module.
6. A power supply and distribution energy-saving system capable of changing power parameters, which is characterized by comprising the power supply and distribution energy-saving device capable of changing power parameters, as claimed in any one of claims 1 to 5, further comprising a communication module and a monitoring terminal;
the main control module is in data communication with the monitoring terminal through the communication module.
7. A power supply and distribution energy-saving method capable of changing power parameters, characterized in that the power supply and distribution energy-saving device capable of changing power parameters according to any one of claims 1-5 is used for power supply and distribution energy saving.
8. A storage medium, characterized in that the storage medium has a computer program stored thereon, and the computer program is executed to execute a power supply and distribution energy saving method capable of changing power parameters according to claim 7.
CN202210002215.1A 2022-01-04 2022-01-04 Power supply and distribution energy-saving device system capable of changing electric power parameters Active CN114336549B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210002215.1A CN114336549B (en) 2022-01-04 2022-01-04 Power supply and distribution energy-saving device system capable of changing electric power parameters

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210002215.1A CN114336549B (en) 2022-01-04 2022-01-04 Power supply and distribution energy-saving device system capable of changing electric power parameters

Publications (2)

Publication Number Publication Date
CN114336549A true CN114336549A (en) 2022-04-12
CN114336549B CN114336549B (en) 2024-05-24

Family

ID=81023828

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210002215.1A Active CN114336549B (en) 2022-01-04 2022-01-04 Power supply and distribution energy-saving device system capable of changing electric power parameters

Country Status (1)

Country Link
CN (1) CN114336549B (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005318754A (en) * 2004-04-30 2005-11-10 Mitsubishi Electric Corp Inverter device for motor drive
CN102306924A (en) * 2011-09-14 2012-01-04 黄华道 Leakage detecting protection circuit capable of periodically automatically detecting function integrity
CN103311884A (en) * 2013-04-23 2013-09-18 上海良信电器股份有限公司 Non-stick overvoltage and under-voltage protector with leakage protection function
CN103762556A (en) * 2013-12-23 2014-04-30 谢红军 Intelligent charge protector
JP2016169884A (en) * 2015-03-11 2016-09-23 ダイキン工業株式会社 Motor driving device of air conditioner
CN110426627A (en) * 2019-08-19 2019-11-08 南京国电南自电网自动化有限公司 Protective relaying device power relay contact Performance Test System
CN112039204A (en) * 2020-08-25 2020-12-04 成都祥和云端节能设备集团有限公司 Electric energy cleaning system based on improvement and improvement of electric energy quality

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005318754A (en) * 2004-04-30 2005-11-10 Mitsubishi Electric Corp Inverter device for motor drive
CN102306924A (en) * 2011-09-14 2012-01-04 黄华道 Leakage detecting protection circuit capable of periodically automatically detecting function integrity
CN103311884A (en) * 2013-04-23 2013-09-18 上海良信电器股份有限公司 Non-stick overvoltage and under-voltage protector with leakage protection function
CN103762556A (en) * 2013-12-23 2014-04-30 谢红军 Intelligent charge protector
JP2016169884A (en) * 2015-03-11 2016-09-23 ダイキン工業株式会社 Motor driving device of air conditioner
CN110426627A (en) * 2019-08-19 2019-11-08 南京国电南自电网自动化有限公司 Protective relaying device power relay contact Performance Test System
CN112039204A (en) * 2020-08-25 2020-12-04 成都祥和云端节能设备集团有限公司 Electric energy cleaning system based on improvement and improvement of electric energy quality

Also Published As

Publication number Publication date
CN114336549B (en) 2024-05-24

Similar Documents

Publication Publication Date Title
CN104218620A (en) Active power distribution network reliability analysis method based on pseudo sequential Monte Carlo simulation
CN109150244B (en) Power-off reporting acquisition electric energy meter based on broadband power line carrier and reporting method
CN114336549A (en) Power supply and distribution energy-saving device system capable of changing power parameters
CN203232341U (en) Wireless monitoring device for on-line temperature of high-voltage equipment
CN102593947B (en) A kind of EMUs tackle the have a power failure processing system with lightning fault and method
CN205070454U (en) Waste incineration power plant's photovoltaic power generation system
CN204241616U (en) Based on the smart power grid fault monitoring system of Zigbee-technology
CN203274950U (en) Transformer station temperature sensing device based on wireless temperature transmission
CN104916103A (en) Intelligent instrument wireless communication and control method
CN117639238A (en) Strong and weak electricity integrated energy efficiency management and control system
CN203232270U (en) Automatic restart system of electrical energy collection terminal of transformer station
CN204882837U (en) Electric power DC power supply module's ageing monitored control system
CN104916104A (en) Intelligent water meter wireless communication and control method
CN206178991U (en) Visual dynamic energy consumption diagnosis, analysis and control system in advance based on big data
CN204100491U (en) A kind of electrical network friendly air-conditioner controller
CN204086499U (en) Phase-splitting simulation test device crossed by train DC600V inverter
CN203596647U (en) Power supply unit of ATM
CN114337537A (en) HJT photovoltaic cell monitoring system
CN205193175U (en) Ozone generator arc chamber operating condition's detection and communication device
CN206710493U (en) The system that Multipoint synchronous measures micro-current
CN112595933A (en) Power distribution network fault positioning system and method
CN204993431U (en) Ethernet switch and port polling set -up thereof
CN116417968B (en) Low-voltage relay protection method based on low-code controller
CN204945324U (en) Control series products batch quiescent current test circuit
CN203573160U (en) High-voltage switch cabinet fault detecting system

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CB03 Change of inventor or designer information

Inventor after: Cai Jincheng

Inventor before: Cai Jinlong

CB03 Change of inventor or designer information