CN202651895U - Remote electricity using management system - Google Patents
Remote electricity using management system Download PDFInfo
- Publication number
- CN202651895U CN202651895U CN201220285118XU CN201220285118U CN202651895U CN 202651895 U CN202651895 U CN 202651895U CN 201220285118X U CN201220285118X U CN 201220285118XU CN 201220285118 U CN201220285118 U CN 201220285118U CN 202651895 U CN202651895 U CN 202651895U
- Authority
- CN
- China
- Prior art keywords
- contactor
- controller
- power
- remote
- solenoid
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
A remote electricity using management system is provided. The system comprises a remote control platform and at least an electricity using control device, the electricity using control device comprises at least an AC contactor and a controller connected with the remote control platform through the internet, each AC contactor comprises a solenoid coil and at least a pair of normally open contacts, each normally open contact of each AC contactor is corresponding to an electricity using module which needs to be supplied with power, a zero line of an AC power supply is connected with a live wire of the AC power supply through each normally open contact of each AC contactor and each corresponding electricity using module, the controller is connected with the zero line of the AC power supply through the solenoid coil of each corresponding AC contactor, the remote control platform is used for sending remote switch control signals to the controller, thus the controller can be used for selectively enabling the solenoid coil of each AC contactor to gain or lose electricity, and the corresponding electricity using module can be supplied or not supplied with power by the AC power supply. By adopting the system, on and off of an electricity using loop of each electricity using module can be remotely controlled, and electric power resources can be more effectively utilized.
Description
Technical field
The utility model relates to a kind of remote management system.
Background technology
Existing electric power controller usually can only be by controlling energising or the outage in each electricity consumption loop at local manual switchover mains switch, cut off the electricity supply when occurring forgetting because of personnel's carelessness, with emergencies such as line faults the time, administrative staff can not in time process, and can cause the waste of power resource and bring very large hidden danger to the safety of electricity consumption.Simultaneously, a large amount of electricity consumption modules still is in holding state after closing, and a large amount of power resources has been wasted in for a long time standby power consumption accumulation.Moreover, when producing fault, the controller of electric power controller need quit work when keeping in repair, and this electric power controller can not continue to keep each electricity consumption loop energising.
The utility model content
For the deficiencies in the prior art, purpose of the present invention is intended to provide a kind of remote management system, the energising in its remote controlled each electricity consumption loop or outage, the electric power thus supplied in each electricity consumption loop of detecting real-time and internal system temperature, and need quit work when keeping in repair when controller produces fault, also can continue to keep the energising in each electricity consumption loop.
For achieving the above object, the present invention adopts following technical scheme:
A kind of remote management system is characterized in that it comprises:
One remote control table; And
At least one power consumption control device comprises:
At least one A.C. contactor, each A.C. contactor comprises a solenoid and at least one pair of normally opened contact, the electricity consumption module that each normally opened contact correspondence one is to be powered, the zero line of AC power connects corresponding electricity consumption module by each normally opened contact of each A.C. contactor, and each electricity consumption module connects the live wire of AC power; And
One controller, by this remote control table of network connection, this controller comprises the control end of corresponding each A.C. contactor, and the control end of this controller is by the zero line of the solenoid connection AC power of corresponding A.C. contactor, and this ac power supply is given this controller; This remote control table sends remote switch by network and controls signal to this controller, this controller optionally makes the solenoid of A.C. contactor get electric or dead electricity according to the remote switch control signal that receives, so that the normally opened contact of A.C. contactor is corresponding closed or disconnect, thus so that ac power supply or do not power to the electricity consumption module of correspondence.
So, remote control table can be controlled by network and controller conducting and the disconnection in each electricity consumption loop, electricity consumption module place, is conducive to the reasonable distribution of electric power energy and effectively management.
Further, this power consumption control device also comprises:
One change over switch comprises not moved end not, moved end and second, moved end, first, this change over switch first not the moved end connect the power end of this controller, the moved end of this change over switch connects the live wire of AC power;
One electromagnetic relay, comprise normally opened contact and the normally-closed contact identical with the quantity of A.C. contactor, each normally-closed contact is connected between the solenoid of control end corresponding to controller and corresponding A.C. contactor, each normally opened contact is connected in second not between the solenoid of moved end and corresponding A.C. contactor of this change over switch, and the solenoid of electromagnetic relay is connected in second not between moved end and the zero line of change over switch;
When the moved end of change over switch connects first not during the moved end, this ac power supply is given this controller, and do not power to the solenoid of this electromagnetic relay, the normally-closed contact of this electromagnetic relay remains closed, the normally opened contact of electromagnetic relay remains open, and this power consumption control device works in normal operating conditions; When the moved end of change over switch connects second not during the moved end, this AC power is not powered to this controller, and power supply is to the solenoid of this electromagnetic relay, the normally-closed contact of electromagnetic relay disconnects, the normally opened contact of electromagnetic relay is closed, so that the solenoid of each A.C. contactor is all switched on, this power consumption control device works in contingency mode.So, when this controller is not controlled the conducting in each electricity consumption loop according to the remote switch control signal, the staff can directly offer the power supply of AC power by change over switch the solenoid of each A.C. contactor, thus so that each equal conducting in electricity consumption loop.
Further, this power consumption control device also comprises a warning lamp and the current transformer identical with the quantity of the normally opened contact of A.C. contactor, this controller comprises and the first identical sense terminal of current transformer quantity and second sense terminal identical with the quantity of A.C. contactor, the caution end of this controller connects zero line by this warning lamp, connect a current transformer primary side between each normally opened contact of each A.C. contactor and the corresponding electricity consumption module, the equal ground connection of the earth terminal of each Current Transformer Secondary side, the signal output part of each Current Transformer Secondary side connects respectively the first sense terminal corresponding to controller, electric current with the electricity consumption loop of detecting corresponding electricity consumption module place, the main contacts of each A.C. contactor connects the second sense terminal corresponding to controller, so that controller is detected the whether conducting of corresponding electricity consumption loop, controller is sent to the result who detects this remote control table and is shown in remote control table by network, this remote control table is analyzed detecting result and the preset value that receives, whether surpass whether predetermined current threshold value and this controller control each electricity consumption module place according to the remote switch control signal electricity consumption loop conducting with the electric current of judging each electricity consumption loop, if being the electric current at least one electricity consumption loop, analysis result surpasses the predetermined current threshold value, or this controller is not controlled the conducting in each electricity consumption loop according to the remote switch control signal, this remote control table sends and emergently controls signal to this controller, so that this controller is by this warning lamp signal that gives the alarm.So, when whether the electric current in each electricity consumption loop surpasses whether current threshold and this controller control each electricity consumption module place according to the remote switch control signal electricity consumption loop conducting, can be by the warning lamp signal that gives the alarm, so that the staff can in time take counter-measure.
Further, this power consumption control device also comprises a temperature sensor, and this controller passes through the internal temperature of this this power consumption control device of temperature sensor detecting real-time, and the temperature of detecting is sent to this remote control table and is shown in remote control table.So, when power consumption control device interior environment temperature surpasses temperature threshold, can by this warning lamp signal that gives the alarm, take counter-measure to remind the staff.
Further, this power consumption control device also comprises the local switch identical with the quantity of A.C. contactor, all local switches all connect a line concentration port of controller, the solenoid of the corresponding A.C. contactor of each local switch, this controller is according to solenoid energising or the outage of A.C. contactor corresponding to the local switch controlling signal control that each local switch is inputted.So, can make things convenient for the staff in the break-make in control electricity consumption loop, this locality.
Be connected an indicator light between the every a pair of normally opened contact of each A.C. contactor and the zero line.
This change over switch is single-pole double-throw switch (SPDT).
This remote control table is computer.
This remote control table is data center.
The controller of above-mentioned power consumption control device can be worked under the monitoring of remote control table by network, controls the break-make in each electricity consumption loop according to the remote switch control signal of remote control table, also can be by the break-make in each electricity consumption loop of the corresponding control of local switch.In addition, when controller hinders the energising of uncontrollable each electricity consumption loop and need quit work maintenance the time for some reason, also can be by the switch transition switch so that the disconnection of the normally-closed contact of electromagnetic relay, normally opened contact is closed, thereby so that this AC power is passed through the normally opened contact of this electromagnetic relay so that the solenoid energising of A.C. contactor, so, can be so that even each electricity consumption loop also keeps "on" position in the controller maintenance period, thereby improve reliability and the fail safe of remote management system, and be beneficial to energy-conservation.
Description of drawings
The structural representation of Fig. 1 the utility model remote management system.
Fig. 2 is the block diagram of the power control of remote management system shown in Figure 1.
Fig. 3 is the circuit diagram of the power control of remote management system shown in Figure 1.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is described further:
See also Fig. 1, the present invention relates to a kind of remote management system, the preferred embodiments of this remote management system comprises remote control table 200 and the some power consumption control devices 300 that are installed in different places such as bank, office and dwelling house, and these power consumption control devices 300 all are connected with this remote control table 200 by network 400.Simultaneously, each power consumption control device 300 also can be controlled by local switch.In the present embodiment, this remote control table 200 can be computer or data center.
Please comprise controller 80, change over switch 50, electromagnetic relay 20, A.C. contactor 341-343, two current transformers 221, three current transformers 222, three current transformers 231, local switch S B1-SB3 referring to figs. 2 and 3, each power consumption control device 300 in the lump and be used for the temperature sensor 55 of detecting power consumption control device 300 internal temperatures.This electromagnetic relay 20 comprises solenoid DM1, normally-closed contact DB2-DB4 and normally opened contact DK1-DK3.This A.C. contactor 341 comprises solenoid JM1 and two couples of normally opened contact JK1.This A.C. contactor 342 comprises solenoid JM2 and three couples of normally opened contact JK2.This A.C. contactor 343 comprises solenoid JM3 and three couples of normally opened contact JK3.
In the present embodiment, describe as an example of the power supply of eight electricity consumption modules 11 of this controller 80 controls example, this electricity consumption module 11 can be the power consumption equipments such as air-conditioning, server or bank self-help cash dispenser, even can be the electricity consumption loop that is comprised of various power consumption equipments.In the present embodiment, the normally opened contact of this A.C. contactor 341-343 and electromagnetic relay 20 and the quantity of normally-closed contact are three, in other execution modes, the quantity of the quantity of A.C. contactor, the normally opened contact of A.C. contactor and the quantity of electromagnetic relay can arrange such as one or four correspondences according to the quantity of electricity consumption module, are not limited to the quantity of present embodiment.In the present embodiment, this change over switch 50 is single-pole double-throw switch (SPDT).When less demanding to the security performance of this power consumption control device 300, can not comprise this temperature sensor 55.
The control end A1-A3 of this controller 80 connects respectively the normally-closed contact DB2-DB4 of this electromagnetic relay 20, this normally-closed contact DB2-DB4 connects zero line N by this solenoid JM1-JM3 respectively, the moving contact of two couples of normally opened contact JK1 passes through successively respectively a current transformer 221 primary sides and is connected electricity consumption module 11 connection live wire L, the fixed contact of every a pair of normally opened contact JK1 connects zero line N by an indicator light 40, the moving contact of three couples of normally opened contact JK2 passes through successively respectively a current transformer 222 primary sides and is connected electricity consumption module 11 connection live wire L, the fixed contact of every a pair of normally opened contact JK2 connects zero line by an indicator light 40, the moving contact of three couples of normally opened contact JK3 passes through successively respectively a current transformer 223 primary sides and is connected electricity consumption module 11 connection live wire L, the fixed contact of every a pair of normally opened contact JK3 connects zero line N by an indicator light 40, the signal output part of two current transformers, 221 secondary sides connects respectively the sense terminal 1 and 2 of controller 80, the signal output part of three current transformers, 222 secondary sides connects respectively the sense terminal 3-5 of controller 80, the signal output part of three current transformers, 223 secondary sides connects respectively the sense terminal 6-8 of controller 80, the earth terminal of two current transformers, 221 secondary sides, the equal ground connection of earth terminal of the earth terminal of three current transformers, 222 secondary sides and three current transformers, 223 secondary sides.The caution end A7 of this controller 80 connects zero line N by warning lamp 70.The line concentration port 82 of this controller 80 connects local switch S B1-SB3.The network port 85 of this controller 80 connects remote control table 200 by network 400.The earth terminal G of this controller 80 connects zero line N.The power end P of this controller 80 connects the not moved end S3 of this change over switch 50.The moved end S1 of this change over switch 50 connects live wire L by fuse FU, the not moved end S2 of this change over switch 50 connects normally opened contact DK1-DK3 and the solenoid DM1 of electromagnetic relay 20, normally opened contact DK1-DK3 connects respectively solenoid JM1-JM3, and this solenoid DM1 connects zero line N.The sense terminal K1-K3 of controller 80 connects respectively the main contacts of A.C. contactor 341-343, to detect the whether conducting of corresponding electricity consumption loop.
The below is described the operation principle of preferred embodiments of the present invention:
Please in the lump referring to Fig. 1-3, this remote control table 200 is in the power consumption control device 300 in different places by network 400 Real Time Monitorings, and the below is to be elaborated to the monitoring of a power consumption control device 300 wherein.
When the moved end S1 of this change over switch 50 connects not moved end S3, AC power 65 provides voltage to this controller 80 by this change over switch 50, and do not power to this electromagnetic relay 20, at this moment, this power consumption control device 300 works in normal mode of operation, the normally-closed contact DB2-DB4 of electromagnetic relay 20 remains closed, and normally opened contact DK1-DK3 remains open.When need are powered to the electricity consumption module 11 of A.C. contactor 341 correspondences and are not powered electricity consumption module 11 to A.C. contactor 342 and 343 correspondences, this remote control table 200 sends the controller 80 that a remote switch controls signal to this power consumption control device 300 by network 400, this controller 80 makes the solenoid JM1 energising of A.C. contactor 341 by this normally-closed contact DB2 according to the remote switch control signal that receives, and keep simultaneously the solenoid JM2 of A.C. contactor 342 and the solenoid JM3 no power of A.C. contactor 343, so that the normally opened contact JK1 of A.C. contactor 341 is closed, the normally opened contact JK2 of A.C. contactor 342 and the normally opened contact JK3 of A.C. contactor 343 remain open, thereby so that the electricity consumption circuit closed at electricity consumption module 11 places corresponding with A.C. contactor 341, the electricity consumption loop at electricity consumption module 11 places corresponding with A.C. contactor 342 and 343 remains open, so, can be so that the electricity consumption module 11 corresponding with A.C. contactor 341 be given in AC power 65 power supply, and do not power to the electricity consumption module 11 corresponding with A.C. contactor 342 and 343, at this moment, the indicator light 40 in the electricity consumption module 11 place electricity consumption loop corresponding with A.C. contactor 341 is all luminous, and the indicator light 40 in the electricity consumption module 11 place electricity consumption loop corresponding with A.C. contactor 342 and 343 is all not luminous.When need are powered to the electricity consumption module 11 corresponding with A.C. contactor 342 and 343 simultaneously, this remote control table 200 sends another remote switch control signal to this controller 80 by network 400, so that this controller 80 control solenoid JM2 and JM3 energising, then so that this normally opened contact JK2 and JK3 are closed, thereby so that the electricity consumption module 11 corresponding with A.C. contactor 342 and 343 given in these AC power 65 power supplies, at this moment, the indicator light 40 in the electricity consumption module 11 place electricity consumption loop corresponding with A.C. contactor 342 and 343 is all luminous.In addition, also can input respectively local switch controlling signal to this controller 80 by local switch S B1-SB3, so that this controller 80 corresponding solenoid JM1-JM3 of giving switch on, thereby so that control AC power 65 power supplies to electricity consumption module 11.
When this power consumption control device 300 is in normal mode of operation, this controller 80 passes through respectively the electric current in electricity consumption loop, electricity consumption module 11 place corresponding to current transformer 221-223 detecting real-time, reach the internal temperature by this temperature sensor 55 these power consumption control devices 300 of detecting, and the result who detects sent to this remote control table 200 and be shown in remote control table 200 by network 400, this remote control table 200 is about to result and preset value that this controller 80 detects and is analyzed, whether the interior environment temperature that whether surpasses predetermined current threshold value and power consumption control device 300 with the electric current of judging each electricity consumption loop is higher than the preset temperature threshold value, and judge whether this controller 80 controls each electricity consumption loop conducting according to the remote switch control signal, if analysis result is not controlled the conducting in each electricity consumption loop according to the remote switch control signal for this controller 80, or the electric current at least one loop surpasses the predetermined current threshold value in the electricity consumption loop, electricity consumption module 11 place, or the interior environment temperature of power consumption control device 300 is higher than temperature threshold, then this remote control table 200 sends emergent this controller 80 that controls signal to, so that this controller 80 is by this warning lamp 70 signal that gives the alarm, for example so that these warning lamp 70 flashings so that the staff in time finds fault.The staff can take corresponding remedial measure according to different emergencies, for example, if analysis result is not controlled the conducting in each electricity consumption loop according to the remote switch control signal for this controller 80, then the staff can connect the moved end S1 of change over switch 50 not moved end S2, so that the solenoid DM1 of this electromagnetic relay 20 energising, then so that the normally-closed contact DB2-DB4 of this electromagnetic relay 20 all disconnect, normally opened contact DK1-DK3 is all closed, thereby so that the solenoid JM1 of A.C. contactor 341, the solenoid JM2 of A.C. contactor 342, the solenoid JM3 of A.C. contactor 343 all switches on, then this normally opened contact JK1-JK3 is all closed, so that electricity consumption module 11 continues normal operation, so, can be so that power consumption control device 300 works in the emergency pattern.So, even controller 80 can not be worked in the maintenance period, this electricity consumption module 11 still can continue normal operation.
Network communication between controller 80 and the remote control table 200 all is encrypted.
From the above, this change over switch 50 and this electromagnetic relay 20 are for optionally making this power consumption control device 300 work in normal operating conditions or emergency rating, when less demanding to the safety and reliability of remote power control, this power consumption control device 300 can not comprise this change over switch 50 and this electromagnetic relay 20, and the power control terminal of this controller 80 is directly connected live wire by fuse FU, the control end A1-A3 of this controller 80 directly corresponding solenoid JM1-JM3 that connects gets final product.
Among other embodiment, this warning lamp also can be other caution unit such as buzzer, loudspeaker.The controller of above-mentioned power consumption control device can be worked under the monitoring of remote control table by network, controls the break-make in each electricity consumption loop according to the remote switch control signal of remote control table, also can be by the break-make in each electricity consumption loop of the corresponding control of local switch.In addition, when controller hinders the energising of uncontrollable each electricity consumption loop and need quit work maintenance the time for some reason, also can be by the switch transition switch so that the disconnection of the normally-closed contact of electromagnetic relay, normally opened contact is closed, thereby so that this AC power is passed through the normally opened contact of this electromagnetic relay so that the solenoid energising of A.C. contactor, so, can be so that even each electricity consumption loop also keeps "on" position in the controller maintenance period, thereby improve reliability and the fail safe of remote management system, and be beneficial to energy-conservation.
For a person skilled in the art, can make other various corresponding changes and distortion according to technical scheme described above and design, and these all changes and distortion should belong within the protection range of the utility model claim all.
Claims (9)
1. remote management system is characterized in that it comprises:
One remote control table; And
At least one power consumption control device comprises:
At least one A.C. contactor, each A.C. contactor comprises a solenoid and at least one pair of normally opened contact, the electricity consumption module that each normally opened contact correspondence one is to be powered, the zero line of AC power connects corresponding electricity consumption module by each normally opened contact of each A.C. contactor, and each electricity consumption module connects the live wire of AC power; And
One controller, by this remote control table of network connection, this controller comprises the control end of corresponding each A.C. contactor, and the control end of this controller is by the zero line of the solenoid connection AC power of corresponding A.C. contactor, and this ac power supply is given this controller; This remote control table sends remote switch by network and controls signal to this controller, this controller optionally makes the solenoid of A.C. contactor get electric or dead electricity according to the remote switch control signal that receives, so that the normally opened contact of A.C. contactor is corresponding closed or disconnect, thus so that ac power supply or do not power to the electricity consumption module of correspondence.
2. remote management system as claimed in claim 1, it is characterized in that: this power consumption control device also comprises:
One change over switch comprises not moved end not, moved end and second, moved end, first, this change over switch first not the moved end connect the power end of this controller, the moved end of this change over switch connects the live wire of AC power;
One electromagnetic relay, comprise normally opened contact and the normally-closed contact identical with the quantity of A.C. contactor, each normally-closed contact is connected between the solenoid of control end corresponding to controller and corresponding A.C. contactor, each normally opened contact is connected in second not between the solenoid of moved end and corresponding A.C. contactor of this change over switch, and the solenoid of electromagnetic relay is connected in second not between moved end and the zero line of change over switch.
3. remote management system as claimed in claim 2, it is characterized in that: this power consumption control device also comprises a warning lamp and the current transformer identical with the quantity of the normally opened contact of A.C. contactor, this controller comprises and the first identical sense terminal of current transformer quantity and second sense terminal identical with the quantity of A.C. contactor, the caution end of this controller connects zero line by this warning lamp, connect a current transformer primary side between each normally opened contact of each A.C. contactor and the corresponding electricity consumption module, the equal ground connection of the earth terminal of each Current Transformer Secondary side, the signal output part of each Current Transformer Secondary side connects respectively the first sense terminal corresponding to controller, the main contacts of each A.C. contactor connects the second sense terminal corresponding to controller, and controller is sent to the result who detects this remote control table and is shown in remote control table by network.
4. remote management system as claimed in claim 3, it is characterized in that: this power consumption control device also comprises a temperature sensor, this controller passes through the internal temperature of this this power consumption control device of temperature sensor detecting real-time, and the temperature of detecting is sent to this remote control table.
5. such as each the described remote management system in the claim 1 to 4, it is characterized in that: this power consumption control device also comprises the local switch identical with the quantity of A.C. contactor, all local switches all connect a line concentration port of controller, the solenoid of the corresponding control of each local switch one A.C. contactor, this controller is according to solenoid energising or the outage of A.C. contactor corresponding to the local switch controlling signal control that each local switch is inputted.
6. such as each the described remote management system in the claim 1 to 4, it is characterized in that: be connected an indicator light between the every a pair of normally opened contact of each A.C. contactor and the zero line.
7. such as each the described remote management system in the claim 1 to 4, it is characterized in that: this change over switch is single-pole double-throw switch (SPDT).
8. such as each the described remote management system in the claim 1 to 4, it is characterized in that: this remote control table is computer.
9. such as each the described remote management system in the claim 1 to 4, it is characterized in that: this remote control table is data center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220285118XU CN202651895U (en) | 2012-06-15 | 2012-06-15 | Remote electricity using management system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220285118XU CN202651895U (en) | 2012-06-15 | 2012-06-15 | Remote electricity using management system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202651895U true CN202651895U (en) | 2013-01-02 |
Family
ID=47420939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220285118XU Expired - Fee Related CN202651895U (en) | 2012-06-15 | 2012-06-15 | Remote electricity using management system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202651895U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102710026A (en) * | 2012-06-15 | 2012-10-03 | 广州市韬宝科技有限公司 | Remote power utilization management system |
| CN112083672A (en) * | 2020-08-24 | 2020-12-15 | 湖北文理学院 | Distributed power supply remote centralized control system and method |
-
2012
- 2012-06-15 CN CN201220285118XU patent/CN202651895U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102710026A (en) * | 2012-06-15 | 2012-10-03 | 广州市韬宝科技有限公司 | Remote power utilization management system |
| CN102710026B (en) * | 2012-06-15 | 2014-07-23 | 广州市韬宝科技有限公司 | Remote power utilization management system |
| CN112083672A (en) * | 2020-08-24 | 2020-12-15 | 湖北文理学院 | Distributed power supply remote centralized control system and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102710026B (en) | Remote power utilization management system | |
| CN101951026B (en) | Double machine measurement and control online main and standby switching method | |
| CN102961842B (en) | Fire alarm joint control system applied to chemical enterprise | |
| CN209232119U (en) | A kind of box-type substation monitoring and alarming system based on cloud service platform | |
| CN114460888A (en) | Wisdom energy management system | |
| CN104917289A (en) | Automatic switching method for emergency power supply and two-way working power supplies of diesel generator | |
| CN203135572U (en) | Transformer substation DC device state monitoring system | |
| CN216647165U (en) | Thing networking fire control water supply control system | |
| CN201374500Y (en) | Intelligent power distribution cabinet | |
| CN202651895U (en) | Remote electricity using management system | |
| CN206922507U (en) | A kind of intelligent integrated switch board | |
| CN203301228U (en) | Safe electricity utilization early warning system | |
| CN105182165A (en) | System of mobile power supply ground wire connection state real-time monitoring and fault positioning | |
| CN105137954A (en) | Real-time on-line temperature and humidity monitoring system of transformer substation | |
| CN115076081A (en) | Fire pump control system with mechanical emergency starting and power frequency inspection functions | |
| CN218888153U (en) | Photovoltaic grid-connected control and isolation device | |
| CN207304150U (en) | Secondary equipment in power system dual power supply comprehensive management apparatus | |
| CN202679077U (en) | Intelligent power distribution cabinet remote control device | |
| CN102957211B (en) | Energy and electric power monitoring device | |
| CN105119384A (en) | High risk and important client remote monitoring system | |
| CN203760863U (en) | Automatic pole-mounted switch cabinet of distribution network | |
| CN211453908U (en) | Multifunctional network instrument with electric leakage detection function | |
| CN203871927U (en) | Breaker remote operation function monitoring device | |
| CN202997700U (en) | Energy and power monitoring device | |
| CN207459830U (en) | A kind of ring-main unit comprehensive monitoring system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130102 Termination date: 20150615 |
|
| EXPY | Termination of patent right or utility model |