CN108362332A - A kind of electrical control cabinet tele-control system based on Internet of Things - Google Patents
A kind of electrical control cabinet tele-control system based on Internet of Things Download PDFInfo
- Publication number
- CN108362332A CN108362332A CN201810084188.0A CN201810084188A CN108362332A CN 108362332 A CN108362332 A CN 108362332A CN 201810084188 A CN201810084188 A CN 201810084188A CN 108362332 A CN108362332 A CN 108362332A
- Authority
- CN
- China
- Prior art keywords
- temperature
- processor
- temperature information
- information
- electrical control
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B19/00—Alarms responsive to two or more different undesired or abnormal conditions, e.g. burglary and fire, abnormal temperature and abnormal rate of flow
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a kind of electrical control cabinet tele-control system based on Internet of Things, including detection and analysis module, secondary processor, electric-leakage detection circuit, Zigbee communication modules, processor, display device and alarm modules；The setting that the present invention passes through detection and analysis module, the electrical control cabinet status in the analysis present invention can be gone whether safe in real time, when the temperature of electric control cabinet is in abnormal rising, or humidity it is excessive when, you can immediately carry out alarm by secondary processor to electrical control cabinet carry out power down process；By the setting of Zigbee communication modules, it can realize the communication interaction with processor module, pass through the temperature and humidity condition inside display device real-time display electrical control cabinet；Pass through the setting of remote equipment simultaneously so that staff is capable of the service condition of remote control monitoring electrical control cabinet, can be understood in the first time of its failure and be repaired in real time.
Description
Technical field
The invention belongs to remote control fields, are related to a kind of electrical control cabinet, specifically a kind of based on the electrical of Internet of Things
Switch board tele-control system.
Background technology
Switch board is that switchgear, measuring instrumentss, protection electric appliance and ancillary equipment are assembled in envelope by electrical wiring requirement
Close or semiclosed metal safe in or screen width on, arrangement should meet the requirement of electric system normal operation, and easy access does not jeopardize
The safety of the person and surrounding devices.It can be by manual or automatic switch connection or disjunction circuit when normal operation.Failure or not just
By protection electric appliance cut-out circuit or alarm when often operation.Running various parameters can be shown by means of measuring instrumentss, it can also be to certain
A little electric parameters are adjusted, and signal is prompted or sent out to deviateing normal operating conditions.Be usually used in it is each send out, match, electric substation
In.
But a kind of tele-control system of shortage of current electrical control cabinet, largely manual site is needed to construct, it is inconvenient
In use；To solve drawbacks described above, a solution is now provided.
Invention content
The purpose of the present invention is to provide a kind of electrical control cabinet tele-control system based on Internet of Things.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of electrical control cabinet tele-control system based on Internet of Things, including detection and analysis module, secondary processor, leakage
Power detection circuit, Zigbee communication modules, processor, display device and alarm modules；
Wherein, the detection and analysis module include the first temperature sensor, second temperature sensor, data processing module,
Temperature sensor and data analysis module；First temperature sensor is set in electrical control cabinet electrical for monitoring in real time
The first temperature information in switch board, the second temperature sensor are set to outside electrical control cabinet electrical for monitoring in real time
Second temperature information outside switch board；
First temperature sensor to data processing module transmit the first temperature information, the second temperature sensor to
Data processing module transmits second temperature information, and the data processing module is used for the first temperature information and second temperature information
Obtained after ad hoc approach is handled the climbing speed of the first temperature information, the data processing module is in the first temperature
When information climbing speed is more than preset value overtemperature signal is transmitted to data analysis module；The humidity sensor is set to electric-controlled
For monitoring the humidity information in electrical control cabinet in real time and humidity information being transferred to data analysis module in cabinet processed；
The data analysis module is used to transmit alarm signal, the number to secondary processor when receiving overtemperature signal
It is used to receive the humidity information of humidity sensor transmission and when humidity information is more than preset value to auxiliary according to analysis module
Processor transmits moisture signal；The electric-leakage detection circuit for monitoring the circuit conditions in electrical control cabinet and occurring in real time
Electric leakage signal is transmitted to secondary processor, the secondary processor is receiving electric leakage signal, alarm signal, wet when drain conditions
When spending signal either signal power off command is transmitted to cut-off switch.
Further, the secondary processor is also connect by Zigbee communication modules with processor communication, the processing
Device is electrically connected with alarm modules and display device；
The data processing module is additionally operable to transmit the first temperature information and second temperature information to data analysis module；Institute
Data analysis module is stated to be additionally operable to transmit the first temperature information, second temperature information and humidity information to secondary processor, it is described
Secondary processor is used to transmit the first temperature information, second temperature information and humidity letter to processor by Zigbee communication modules
Breath；The processor transmits the first temperature information, second temperature information and humidity information to display device, and the display device is used
In the first temperature information of real-time display, second temperature information and humidity information；
The secondary processor passes through Zigbee when receiving electric leakage signal, alarm signal, moisture signal either signal
Communication module transmits alarm command to processor, and drive control alarm modules send out police when the processor receives alarm command
Report.
Further, memory module is also electrically connected on the processor, the processor is used to transmit to memory module
First temperature information, second temperature information and humidity information, the memory module is for the first temperature information of real-time storage, second
Temperature information and humidity information.
Further, remote equipment is also connected with by GPRS network on the processor, the processor is used for remote
Journey equipment transmits the first temperature information, second temperature information and humidity information；
The processor is additionally operable to transmit alarm to remote equipment when receiving the alarm command of secondary processor transmission
Signal reminds staff to pay attention to.
Further, the ad hoc approach includes the following steps：
Step 1：First temperature information is defined as T1, second temperature information is defined as T2；
Step 2：The temperature of T1 can be calculated automatically according to particular algorithm when T1 and T2 temperature differences T1-T2 is more than preset value
Climbing speed.
Further, the special algorithm includes the following steps：
Step 1：It is T11 that T1 temperature at this time is recorded when T1 and T2 temperature differences are more than preset value；
Step 2：It is T12 by writing down T1 temperature at this time after preset time t；
Step 3：T1 temperature rate-of-rises are acquired using formula V=(T12-T11)/t.
Beneficial effects of the present invention：A kind of electrical control cabinet tele-control system based on Internet of Things passes through at work
Whether the setting for testing and analyzing module can go the electrical control cabinet status in the analysis present invention safe, work as electricity in real time
When the temperature of device switch board is in abnormal rising or excessive humidity, you can immediately carry out alarm and pass through secondary processor
Power down process is carried out to electrical control cabinet；By the setting of Zigbee communication modules, the communication with processor module can be realized
Interaction, passes through the temperature and humidity condition inside display device real-time display electrical control cabinet；Pass through remote equipment simultaneously
Setting so that staff is capable of the service condition of remote control monitoring electrical control cabinet, in the first time of its failure
It can be understood and be repaired in real time.
Description of the drawings
In order to facilitate the understanding of those skilled in the art, the present invention will be further described below with reference to the drawings.
Fig. 1 is present system block diagram.
Specific implementation mode
As shown in Figure 1, a kind of electrical control cabinet tele-control system based on Internet of Things, including it is detection and analysis module, auxiliary
Help processor, electric-leakage detection circuit, Zigbee communication modules, processor, display device and alarm modules；
Wherein, the detection and analysis module include the first temperature sensor, second temperature sensor, data processing module,
Temperature sensor and data analysis module；First temperature sensor is set in electrical control cabinet electrical for monitoring in real time
The first temperature information in switch board, the second temperature sensor are set to outside electrical control cabinet electrical for monitoring in real time
Second temperature information outside switch board；
First temperature sensor to data processing module transmit the first temperature information, the second temperature sensor to
Data processing module transmits second temperature information, and the data processing module is used for the first temperature information and second temperature information
Obtained after ad hoc approach is handled the climbing speed of the first temperature information, the data processing module is in the first temperature
When information climbing speed is more than preset value overtemperature signal is transmitted to data analysis module；The humidity sensor is set to electric-controlled
For monitoring the humidity information in electrical control cabinet in real time and humidity information being transferred to data analysis module in cabinet processed；
The data analysis module is used to transmit alarm signal, the number to secondary processor when receiving overtemperature signal
It is used to receive the humidity information of humidity sensor transmission and when humidity information is more than preset value to auxiliary according to analysis module
Processor transmits moisture signal；The electric-leakage detection circuit for monitoring the circuit conditions in electrical control cabinet and occurring in real time
Electric leakage signal is transmitted to secondary processor, the secondary processor is receiving electric leakage signal, alarm signal, wet when drain conditions
When spending signal either signal power off command is transmitted to cut-off switch.
Further, the secondary processor is also connect by Zigbee communication modules with processor communication, the processing
Device is electrically connected with alarm modules and display device；
The data processing module is additionally operable to transmit the first temperature information and second temperature information to data analysis module；Institute
Data analysis module is stated to be additionally operable to transmit the first temperature information, second temperature information and humidity information to secondary processor, it is described
Secondary processor is used to transmit the first temperature information, second temperature information and humidity letter to processor by Zigbee communication modules
Breath；The processor transmits the first temperature information, second temperature information and humidity information to display device, and the display device is used
In the first temperature information of real-time display, second temperature information and humidity information；
The secondary processor passes through Zigbee when receiving electric leakage signal, alarm signal, moisture signal either signal
Communication module transmits alarm command to processor, and drive control alarm modules send out police when the processor receives alarm command
Report.
Further, memory module is also electrically connected on the processor, the processor is used to transmit to memory module
First temperature information, second temperature information and humidity information, the memory module is for the first temperature information of real-time storage, second
Temperature information and humidity information.
Further, remote equipment is also connected with by GPRS network on the processor, the processor is used for remote
Journey equipment transmits the first temperature information, second temperature information and humidity information；
The processor is additionally operable to transmit alarm to remote equipment when receiving the alarm command of secondary processor transmission
Signal reminds staff to pay attention to.
Further, the ad hoc approach includes the following steps：
Step 1：First temperature information is defined as T1, second temperature information is defined as T2；
Step 2：The temperature of T1 can be calculated automatically according to particular algorithm when T1 and T2 temperature differences T1-T2 is more than preset value
Climbing speed.
Further, the special algorithm includes the following steps：
Step 1：It is T11 that T1 temperature at this time is recorded when T1 and T2 temperature differences are more than preset value；
Step 2：It is T12 by writing down T1 temperature at this time after preset time t；
Step 3：T1 temperature rate-of-rises are acquired using formula V=(T12-T11)/t.
A kind of electrical control cabinet tele-control system based on Internet of Things, at work, by testing and analyzing setting for module
It sets, can go the electrical control cabinet status in the analysis present invention whether safe in real time, when the temperature of electric control cabinet is in
When abnormal rising or excessive humidity, you can immediately carry out alarm and carried out to electrical control cabinet by secondary processor
Power down process；By the setting of Zigbee communication modules, it can realize the communication interaction with processor module, pass through display device
Temperature inside real-time display electrical control cabinet and humidity condition；Pass through the setting of remote equipment simultaneously so that staff
It is capable of the service condition of remote control monitoring electrical control cabinet, can be understood and be carried out in the first time of its failure
Repair in real time.
Above content is only to structure of the invention example and explanation, affiliated those skilled in the art couple
Described specific embodiment does various modifications or additions or substitutes by a similar method, without departing from invention
Structure or beyond the scope defined by this claim, is within the scope of protection of the invention.
Claims (6)
1. a kind of electrical control cabinet tele-control system based on Internet of Things, which is characterized in that including detection and analysis module, auxiliary
Processor, electric-leakage detection circuit, Zigbee communication modules, processor, display device and alarm modules；
Wherein, the detection and analysis module includes the first temperature sensor, second temperature sensor, data processing module, temperature
Sensor and data analysis module；First temperature sensor is set in electrical control cabinet for monitoring electrical control in real time
The first temperature information in cabinet, the second temperature sensor are set to outside electrical control cabinet for monitoring electrical control in real time
Second temperature information outside cabinet；
First temperature sensor transmits the first temperature information to data processing module, and the second temperature sensor is to data
Processing module transmits second temperature information, and the data processing module is used to carry out the first temperature information and second temperature information
Ad hoc approach obtains the climbing speed of the first temperature information after being handled, the data processing module is in the first temperature information
When climbing speed is more than preset value overtemperature signal is transmitted to data analysis module；The humidity sensor is set to electrical control cabinet
It is interior to be used to monitor the humidity information in electrical control cabinet in real time and humidity information is transferred to data analysis module；
The data analysis module is used to transmit alarm signal, the data point to secondary processor when receiving overtemperature signal
Analysis module is used to receive the humidity information of humidity sensor transmission and when humidity information is more than preset value to aid in treatment
Device transmits moisture signal；The electric-leakage detection circuit for monitoring the circuit conditions in electrical control cabinet and leaking electricity in real time
Electric leakage signal is transmitted to secondary processor when situation, the secondary processor is receiving electric leakage signal, alarm signal, humidity letter
When number either signal power off command is transmitted to cut-off switch.
2. a kind of electrical control cabinet tele-control system based on Internet of Things according to claim 1, which is characterized in that institute
It states secondary processor also to connect with processor communication by Zigbee communication modules, the processor is filled with alarm modules and display
Set electrical connection；
The data processing module is additionally operable to transmit the first temperature information and second temperature information to data analysis module；The number
It is additionally operable to transmit the first temperature information, second temperature information and humidity information, the auxiliary to secondary processor according to analysis module
Processor is used to transmit the first temperature information, second temperature information and humidity information to processor by Zigbee communication modules；
The processor transmits the first temperature information, second temperature information and humidity information, the display device to display device and is used for
The first temperature information of real-time display, second temperature information and humidity information；
The secondary processor is communicated when receiving electric leakage signal, alarm signal, moisture signal either signal by Zigbee
Module transmits alarm command to processor, and drive control alarm modules send out alarm when the processor receives alarm command.
3. a kind of electrical control cabinet tele-control system based on Internet of Things according to claim 2, which is characterized in that institute
It states and is also electrically connected with memory module on processor, the processor is used to transmit the first temperature information, the second temperature to memory module
Information and humidity information are spent, the memory module is used for the first temperature information of real-time storage, second temperature information and humidity information.
4. a kind of electrical control cabinet tele-control system based on Internet of Things according to claim 2, which is characterized in that institute
It states and remote equipment is also connected with by GPRS network on processor, the processor is used to transmit the first temperature letter to remote equipment
Breath, second temperature information and humidity information；
The processor is additionally operable to transmit alarm signal to remote equipment when receiving the alarm command of secondary processor transmission
Staff is reminded to pay attention to.
5. a kind of electrical control cabinet tele-control system based on Internet of Things according to claim 1, which is characterized in that institute
Ad hoc approach is stated to include the following steps：
Step 1：First temperature information is defined as T1, second temperature information is defined as T2；
Step 2：The temperature rise of T1 can be calculated automatically according to particular algorithm when T1 and T2 temperature differences T1-T2 is more than preset value
Rate.
6. a kind of electrical control cabinet tele-control system based on Internet of Things according to claim 5, which is characterized in that institute
Special algorithm is stated to include the following steps：
Step 1：It is T11 that T1 temperature at this time is recorded when T1 and T2 temperature differences are more than preset value；
Step 2：It is T12 by writing down T1 temperature at this time after preset time t；
Step 3：T1 temperature rate-of-rises are acquired using formula V=(T12-T11)/t.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810084188.0A CN108362332A (en) | 2018-01-29 | 2018-01-29 | A kind of electrical control cabinet tele-control system based on Internet of Things |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810084188.0A CN108362332A (en) | 2018-01-29 | 2018-01-29 | A kind of electrical control cabinet tele-control system based on Internet of Things |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108362332A true CN108362332A (en) | 2018-08-03 |
Family
ID=63007525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810084188.0A Pending CN108362332A (en) | 2018-01-29 | 2018-01-29 | A kind of electrical control cabinet tele-control system based on Internet of Things |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108362332A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110943387A (en) * | 2019-12-31 | 2020-03-31 | 九州职业技术学院 | Electrical control cabinet remote control system based on Internet of things |
| CN111928894A (en) * | 2020-08-03 | 2020-11-13 | 国网福建省电力有限公司 | Intelligent cabinet temperature and humidity abnormity diagnosis method |
| CN112182068A (en) * | 2020-09-30 | 2021-01-05 | 重庆市海普软件产业有限公司 | Remote fault judgment system and method based on Internet of things technology |
| CN113341934A (en) * | 2021-06-23 | 2021-09-03 | 武汉交通职业学院 | Electrical control cabinet fault monitoring system |
| CN113514723A (en) * | 2021-07-12 | 2021-10-19 | 安徽建筑大学 | Equipment for analyzing and collecting light source of extreme environment |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003325101A (en) * | 2002-05-13 | 2003-11-18 | Takeshi Hara | Method and apparatus for freshness retention and maturation of food material, food, and the like |
| CN103234578A (en) * | 2013-03-28 | 2013-08-07 | 国家电网公司 | Switchgear environment status parameter monitoring device based on ZigBee network |
| US20160021770A1 (en) * | 2014-07-15 | 2016-01-21 | Cyberpower Systems, Inc. | Cabinet having an environment monitoring function |
| CN205506246U (en) * | 2016-03-09 | 2016-08-24 | 常州赛尔克瑞特电气有限公司 | Aerify cabinet temperature rise testing arrangement |
| CN206301185U (en) * | 2016-12-19 | 2017-07-04 | 国网宁夏电力公司宁东供电公司 | A kind of power switch cabinet management system based on Internet of Things |
| CN106973528A (en) * | 2017-03-28 | 2017-07-21 | 河南理工大学 | A kind of remote control thereof of remote-controlled electrical cabinet system and electrical control cabinet |
| CN206402266U (en) * | 2016-12-27 | 2017-08-11 | 中山格朗特尔电气科技有限公司 | High-low voltage switch cabinet monitoring system based on Internet of Things |
-
2018
- 2018-01-29 CN CN201810084188.0A patent/CN108362332A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003325101A (en) * | 2002-05-13 | 2003-11-18 | Takeshi Hara | Method and apparatus for freshness retention and maturation of food material, food, and the like |
| CN103234578A (en) * | 2013-03-28 | 2013-08-07 | 国家电网公司 | Switchgear environment status parameter monitoring device based on ZigBee network |
| US20160021770A1 (en) * | 2014-07-15 | 2016-01-21 | Cyberpower Systems, Inc. | Cabinet having an environment monitoring function |
| CN205506246U (en) * | 2016-03-09 | 2016-08-24 | 常州赛尔克瑞特电气有限公司 | Aerify cabinet temperature rise testing arrangement |
| CN206301185U (en) * | 2016-12-19 | 2017-07-04 | 国网宁夏电力公司宁东供电公司 | A kind of power switch cabinet management system based on Internet of Things |
| CN206402266U (en) * | 2016-12-27 | 2017-08-11 | 中山格朗特尔电气科技有限公司 | High-low voltage switch cabinet monitoring system based on Internet of Things |
| CN106973528A (en) * | 2017-03-28 | 2017-07-21 | 河南理工大学 | A kind of remote control thereof of remote-controlled electrical cabinet system and electrical control cabinet |
Non-Patent Citations (1)
| Title |
|---|
| 赖义汉等: "电力柜智能除湿***研究与设计", 《徐州工程学院学报（自然科学版）》 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110943387A (en) * | 2019-12-31 | 2020-03-31 | 九州职业技术学院 | Electrical control cabinet remote control system based on Internet of things |
| CN111928894A (en) * | 2020-08-03 | 2020-11-13 | 国网福建省电力有限公司 | Intelligent cabinet temperature and humidity abnormity diagnosis method |
| CN112182068A (en) * | 2020-09-30 | 2021-01-05 | 重庆市海普软件产业有限公司 | Remote fault judgment system and method based on Internet of things technology |
| CN112182068B (en) * | 2020-09-30 | 2024-03-26 | 重庆市海普软件产业有限公司 | Remote fault judging system and method based on Internet of things technology |
| CN113341934A (en) * | 2021-06-23 | 2021-09-03 | 武汉交通职业学院 | Electrical control cabinet fault monitoring system |
| CN113514723A (en) * | 2021-07-12 | 2021-10-19 | 安徽建筑大学 | Equipment for analyzing and collecting light source of extreme environment |
| CN113514723B (en) * | 2021-07-12 | 2023-05-16 | 安徽建筑大学 | Equipment for analyzing and collecting extreme environment light source |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108362332A (en) | A kind of electrical control cabinet tele-control system based on Internet of Things | |
| CN202929124U (en) | Substation high-voltage shunt capacitor intelligent online monitoring system | |
| CN110556923A (en) | Distribution transformer data monitoring terminal, monitoring system and monitoring method | |
| CN112290675A (en) | High-low voltage switch cabinet operation and maintenance terminal information acquisition system with high stability performance | |
| KR102383510B1 (en) | SYSTEM AND METHOD FOR FIRE DETECTION USING POWER LINE COMMUNICATION AND IoT | |
| CN109270356B (en) | Intelligent monitoring device for grounding impedance of transformer substation grounding point and instrument control method | |
| CN203299287U (en) | Water heater detection apparatus | |
| CN107340468A (en) | A kind of high voltage isolator detecting system | |
| CN204882853U (en) | Electric energy meter pressure resistance test installation | |
| CN206389179U (en) | A kind of cell distribution monitoring system | |
| CN113855837A (en) | Remote control steam disinfection method, system and device based on 4GCAT1 | |
| CN113030782A (en) | Secondary cable shielding layer grounding state monitoring device and system | |
| CN208015684U (en) | A kind of terminal box and photovoltaic component system | |
| CN107608294B (en) | Safety electricity utilization control device and method | |
| CN207423258U (en) | A kind of power distribution cabinet power supply environmental monitoring regulating system | |
| CN111585197A (en) | Temperature monitoring device for main loop connector of direct-current switch cabinet | |
| CN105258729A (en) | Temperature and humidity detection system for switch cabinet based on single chip microcomputer | |
| CN110656335A (en) | Transformer substation grounding device cathode protection potential detection system and detection method thereof | |
| CN219224962U (en) | Monitoring device for medical equipment | |
| CN210608697U (en) | Automatic maintenance system of transformer substation | |
| CN211744124U (en) | Intelligent power distribution system with power-off protection | |
| CN209844363U (en) | Temperature monitoring device for main loop connector of direct-current switch cabinet | |
| CN217953696U (en) | Female temperature measuring device that arranges of cubical switchboard | |
| CN221058066U (en) | Electric control cabinet control system for real-time on-line monitoring | |
| CN109343408B (en) | Strong electricity network intelligent management 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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180803 |
|
| RJ01 | Rejection of invention patent application after publication |