CN106655515A - Machine room bus power distribution remote monitoring system - Google Patents
Machine room bus power distribution remote monitoring system Download PDFInfo
- Publication number
- CN106655515A CN106655515A CN201611267062.4A CN201611267062A CN106655515A CN 106655515 A CN106655515 A CN 106655515A CN 201611267062 A CN201611267062 A CN 201611267062A CN 106655515 A CN106655515 A CN 106655515A
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- China
- Prior art keywords
- machine room
- box
- control system
- long distance
- distance 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.)
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 18
- 238000001514 detection method Methods 0.000 claims abstract description 17
- 238000004891 communication Methods 0.000 claims description 20
- 230000001012 protector Effects 0.000 claims description 9
- 239000004020 conductor Substances 0.000 description 10
- 230000007935 neutral effect Effects 0.000 description 9
- 230000009286 beneficial effect Effects 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H02J13/0006—
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
Landscapes
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention discloses a machine room bus power distribution remote monitoring system. The machine room bus power distribution remote monitoring system comprises a jack box used for supplying power for tail end equipment, a feed box used for taking power from an upper power supply system and a remote monitoring system, wherein the jack box is connected with the feed box; detection modules and collection modules are arranged in the jack box and the feed box; and the collection modules are connected with the corresponding detection modules and the remote monitoring system respectively. The machine room bus power distribution remote monitoring system has the advantages of high machine room electric parameter collection efficiency and data analyzing and processing efficiency.
Description
Technical field
The present invention relates to busbar distribution technical field, more particularly to a kind of machine room busbar distribution long distance control system.
Background technology
Bus-bar system is mainly used in end-equipment distribution, and distribution bus are both electric conductor and the supporter of electric elements
And behind being closed in.The system is initially proposed by German Vinal company and promoted in the world, obtained at present
The universal accreditation of the ground such as America and Europe colleague.About at eighties of last century beginning of the eighties, German WOHNER (Vinal) electrical system is public
Department is proposed a kind of modularization bus installing type electric equipment, has started the beginning that bus installs electric equipment.The said firm is first
Release bus installing type electric equipment of the modulus (bus installation center away from) for 40mm, rated current 360A of bus.After several years,
They increased the product that modulus is 60mm and 100/185mm, and bus rated current has respectively reached 1600A and 2500A.With
They are updated and perfect, realize modulus standardization, electric current and voltage rating seriation, product component general
Change.At the bottom of nineteen ninety-five, German WOHNER (Vinal) Electrical System Co., Ltd is Chinese with its product to exploit market, successively in day
Tianjin, Beijing establish Vinal (China) Electrical System Co., Ltd.In the past few years, Vinal (China) Electrical System Co., Ltd
Praiseworthy achievement is achieved in the electrical equipment market of China, especially in box-type substation and building electric apparatus market, with its side
The convenience that the flexibility of case, functional diversity and installation are safeguarded especially is praised highly by people.
Now, part machine room has begun to use bus-bar system, but the efficiency of its collection electrical quantity is low, lacks field level
Other display, and do not collect and be transferred to Upper system, if scene occurs abnormal, patrol officer is difficult to find.
The content of the invention
In view of above-mentioned technical problem, it is an object of the invention to provide a kind of machine room busbar distribution long distance control system, its
Have the advantages that to gather machine room electrical quantity efficiency high and analyzing and processing data efficiency high.
The present invention provides a kind of machine room busbar distribution long distance control system, includes the grafting powered for terminad equipment
Case, for the feeder box and long distance control system of upper electric power system power taking, the jack box to be connected with feeder box, it is described insert
Connect case and feeder box be internally provided with detection module and acquisition module, the acquisition module respectively with detection module and remote monitoring
System connects.
Preferably, the detection module is the Hall electricity of the transformer or collection direct current data for gathering alternating current data
Flow sensor.
Preferably, the long distance control system includes floor switch, the Central Control Room for transmitting electrical quantity information
Computer, the fire wall for protecting information safety and the remote equipment for receiving electrical quantity information, the floor switch,
Central Control Room computer, fire wall and remote equipment are sequentially connected, and the floor switch is connected with acquisition module.
Preferably, the jack box outer surface is provided with the first instruction for indicating the breaker break-make of jack box
Lamp, first indicator lamp is connected with the breaker end of jack box, and the feeder box outer surface is provided with for indicating feed
Second indicator lamp of the breaker break-make of case and the alarm light for indicating the inlet wire cable of the breaker front end of feeder box, it is described
Second indicator lamp is connected with the breaker end of feeder box, and the alarm light is connected with the breaker front end of feeder box.First refers to
Show lamp by the phase line at the breaker outgoing line end of connection jack box and come from the neutral conductor of neutral conductor copper bar, when breaking for jack box
When road device trips, no current between phase line and the neutral conductor, the first indicator lamp goes out, and when closing a floodgate, the first indicator lamp is bright.
Preferably, the feeder box is internally provided with for Modbus-RTU/ASCII signals to be converted into Modbus-
The Modbus gateways of TCP signals.
Preferably, the feeder box is internally provided with the Surge Protector for providing security protection for communication line, it is described
The fuse or breaker for protecting Surge Protector is provided with Surge Protector.
Preferably, RS485 attachment means are provided with the jack box and feeder box, two RS485 attachment means
Between be connected with each other.Realize RS485 bus communications.
Preferably, being provided with WIFI communication module inside the jack box and feeder box.WIFI communication module passes through
WIFI signal builds communication network.
Preferably, being provided with power line carrier module inside the jack box and feeder box.Monitoring data can be led to
Cross power line carrier module to send, using power line carrier module between jack box, feeder box, HMI and other equipment structure
Build communication network.
Preferably, whether the machine room busbar distribution Field Monitoring System may determine that voltage, electric current while being zero, if
Zero, then circuit loop disconnection.
Workflow：
Detection module detects first the current signal in circuit, and electric current is converted into into the light current letter that acquisition module can read in outside
Number, acquisition module is collected after electrical quantity information, and electrical quantity information is sent to long distance control system.
Beneficial effects of the present invention are：The machine room busbar distribution long distance control system is applied to machine room end busbar distribution system
System, it adopts feeder box, jack box and bus terminad equipment to power, and the electrical quantity of collection is linked into the remote monitoring of the system
In system, the machine room busbar distribution long distance control system has collection machine room electrical quantity efficiency high and analyzing and processing data efficiency high
Advantage.
Description of the drawings
The essential structure of machine room busbar distribution long distance control system of the present invention is illustrated with reference to the accompanying drawings, wherein：
Fig. 1 is a kind of structured flowchart of machine room busbar distribution long distance control system of the invention.
Fig. 2 is the internal structure schematic diagram of jack box of the present invention.
Fig. 3 is the internal structure schematic diagram of feeder box of the present invention.
Fig. 4 is the schematic surface of jack box of the present invention.
Fig. 5 is the schematic surface of feeder box of the present invention.
Fig. 6 is the structured flowchart of another embodiment of the present invention.
Specific embodiment
For clarity of illustration, with reference to the accompanying drawings in an illustrative manner to machine room busbar distribution long distance control system in addition
Explanation.It should be appreciated that the present invention is not intended to be limited thereto.
Embodiment 1
As Figure 1-3, a kind of machine room busbar distribution long distance control system, includes the jack box powered for terminad equipment
1st, for the feeder box 2 and long distance control system of upper electric power system power taking, the jack box 1 to be connected with feeder box 2, described
Jack box 1 and feeder box 2 are internally provided with detection module 3 and acquisition module 4, the acquisition module 4 respectively with detection module 3 and
Long distance control system connects.
Model fpm09a of acquisition module 4 in the jack box 1, the model of acquisition module 4 in the feeder box 2
fpm300b。
The present embodiment has the beneficial effect that：The machine room busbar distribution long distance control system is applied to machine room end busbar distribution
System, it adopts feeder box, jack box and bus terminad equipment to power, and the electrical quantity of collection is linked into the long-range prison of the system
In control system, the machine room busbar distribution long distance control system has collection machine room electrical quantity efficiency high and analyzing and processing data efficiency
High advantage.
Embodiment 2
As shown in figures 1 to 6, a kind of machine room busbar distribution long distance control system, includes the jack box powered for terminad equipment
1st, for the feeder box 2 and long distance control system of upper electric power system power taking, the jack box 1 to be connected with feeder box 2, described
Jack box 1 and feeder box 2 are internally provided with detection module 3 and acquisition module 4, the acquisition module 4 respectively with detection module 3 and
Long distance control system connects.
Model fpm09a of acquisition module 4 in the jack box 1, the model of acquisition module 4 in the feeder box 2
fpm300b。
The detection module 3 is the transformer of collection alternating current data.
The long distance control system includes floor switch, Central Control Room computer, the use for transmitting electrical quantity information
Remote equipment in the fire wall of protecting information safety and for receiving electrical quantity information, the floor switch, Central Control Room meter
Calculation machine, fire wall and remote equipment are sequentially connected, and the floor switch is connected with acquisition module 4.
The outer surface of the jack box 1 is provided with the first indicator lamp 5 for indicating the breaker break-make of jack box 1, described
First indicator lamp 5 is connected with the breaker end of jack box 1, and the outer surface of the feeder box 2 is provided with for indicating feeder box 2
Second indicator lamp 8 of the break-make of breaker 6 and the alarm light 9 for indicating the inlet wire cable of the front end of breaker 6 of feeder box 2, institute
State the second indicator lamp 8 to be connected with the end of breaker 6 of feeder box 2, the alarm light 9 connects with the front end of breaker 6 of feeder box 2
Connect.Phase line and the neutral conductor for coming from neutral conductor copper bar that first indicator lamp 5 passes through the breaker outgoing line end of connection jack box 1,
When the circuit breaker trip of jack box 1, no current between phase line and the neutral conductor, the first indicator lamp goes out, the first indicator lamp when closing a floodgate
It is bright.
The feeder box 2 is internally provided with for Modbus-RTU/ASCII signals to be converted into Modbus-TCP signals
Modbus gateways.
The feeder box 2 is internally provided with the Surge Protector 7 for providing security protection for communication line, the surge protection
The fuse or breaker for protecting Surge Protector 7 is provided with device 7.
RS485 attachment means are provided with the jack box 1 and feeder box 2, between two RS485 attachment means mutually
Connection.Realize RS485 bus communications.
WIFI communication module is provided with inside the jack box 1 and feeder box 2.WIFI communication module passes through WIFI signal
Build communication network.
Power line carrier module is provided with inside the jack box 1 and feeder box 2.Monitoring data can be carried by electric power
Ripple module sends, using power line carrier module in jack box 1, feeder box 2, structure communication between HMI and other equipment
Network.
The machine room busbar distribution long distance control system can gather each server, rack, bus itself and from bus
The parameter of the equipment of power taking, these parameters include voltage, electric current, power factor, active power, reactive power, apparent energy,
1-63 voltage harmonic, 1-63 primary current harmonic waves, the total harmonic wave of voltage, current total harmonic, frequency, active electrical degree, idle electric degree, regard
In electric degree, loop break-make.Monitoring system can also monitor temperature, the temperature of bus-bar system periphery, humidity, distance letter on bus
Number.
The machine room busbar distribution long distance control system, can also be by the side such as modbus, OPC in addition to providing parameter and showing
Formula and Third party system are communicated, and Third party system desired data is supplied to into they, also can be by e-mail modes by important letter
Breath is sent to specified mailbox.
The tendency chart of machine room busbar distribution long distance control system offer parameter shows, sound and light alarm, warning message show,
It is particularly shown the time for occurring of reporting to the police, time, the time of alarm release for confirming warning.
The machine room busbar distribution long distance control system can handle it to electrical quantity, be shown by analysis more valuable
Parameter, such as by contrast potential, electric current whether while being zero represents that certain loop disconnects.
The present embodiment has the beneficial effect that：The machine room busbar distribution long distance control system is applied to machine room end busbar distribution
System, it adopts feeder box, jack box and bus terminad equipment to power, and the electrical quantity of collection is linked into the long-range prison of the system
In control system, the machine room busbar distribution long distance control system has collection machine room electrical quantity efficiency high and analyzing and processing data efficiency
High advantage.
Embodiment 3
As shown in figures 1 to 6, a kind of machine room busbar distribution long distance control system, includes the jack box powered for terminad equipment
1st, for the long distance control system of feeder box 2 of upper electric power system power taking, the jack box 1 to be connected described inserting with feeder box 2
Connect case 1 and feeder box 2 be internally provided with detection module 3 and acquisition module 4, the acquisition module 4 respectively with detection module 3 and remote
Range monitoring system connects.
Model fpm09a of acquisition module 4 in the jack box 1, the model of acquisition module 4 in the feeder box 2
fpm300b。
The detection module 3 is the Hall current sensor of collection direct current data.
The long distance control system includes floor switch, Central Control Room computer, the use for transmitting electrical quantity information
Remote equipment in the fire wall of protecting information safety and for receiving electrical quantity information, the floor switch, Central Control Room meter
Calculation machine, fire wall and remote equipment are sequentially connected, and the floor switch is connected with acquisition module 4.
The outer surface of the jack box 1 is provided with the first indicator lamp 5 for indicating the breaker break-make of jack box 1, described
First indicator lamp 5 is connected with the breaker end of jack box 1, and the outer surface of the feeder box 2 is provided with for indicating feeder box 2
Second indicator lamp 8 of the break-make of breaker 6 and the alarm light 9 for indicating the inlet wire cable of the front end of breaker 6 of feeder box 2, institute
State the second indicator lamp 8 to be connected with the end of breaker 6 of feeder box 2, the alarm light 9 connects with the front end of breaker 6 of feeder box 2
Connect.Phase line and the neutral conductor for coming from neutral conductor copper bar that first indicator lamp 5 passes through the breaker outgoing line end of connection jack box 1,
When the circuit breaker trip of jack box 1, no current between phase line and the neutral conductor, the first indicator lamp goes out, the first indicator lamp when closing a floodgate
It is bright.
The feeder box 2 is internally provided with for Modbus-RTU/ASCII signals to be converted into Modbus-TCP signals
Modbus gateways.
The feeder box 2 is internally provided with the Surge Protector 7 for providing security protection for communication line, the surge protection
The fuse or breaker for protecting Surge Protector 7 is provided with device 7.
RS485 attachment means are provided with the jack box 1 and feeder box 2, between two RS485 attachment means mutually
Connection.Realize RS485 bus communications.
WIFI communication module is provided with inside the jack box 1 and feeder box 2.WIFI communication module passes through WIFI signal
Build communication network.
Power line carrier module is provided with inside the jack box 1 and feeder box 2.Monitoring data can be carried by electric power
Ripple module sends, using power line carrier module in jack box 1, feeder box 2, structure communication between HMI and other equipment
Network.
Monitoring system can gather each server, rack, bus itself and from bus the equipment of power taking parameter, this
A little parameters include voltage, electric current, power factor, active power, reactive power, apparent energy, 1-63 voltage harmonic, 1-63
The total harmonic wave of primary current harmonic wave, voltage, current total harmonic, frequency, active electrical degree, idle electric degree, apparent electric degree, loop break-make.Prison
Control system can also monitor temperature, the temperature of bus-bar system periphery, humidity, distance signal on bus.
The machine room busbar distribution long distance control system, can also be by the side such as modbus, OPC in addition to providing parameter and showing
Formula and Third party system are communicated, and Third party system desired data is supplied to into they, also can be by e-mail modes by important letter
Breath is sent to specified mailbox.
The tendency chart of machine room busbar distribution long distance control system offer parameter shows, sound and light alarm, warning message show,
It is particularly shown the time for occurring of reporting to the police, time, the time of alarm release for confirming warning.
The machine room busbar distribution long distance control system can handle it to electrical quantity, be shown by analysis more valuable
Parameter, such as by contrast potential, electric current whether while being zero represents that certain loop disconnects.
The present embodiment has the beneficial effect that：The machine room busbar distribution long distance control system is applied to machine room end busbar distribution
System, it adopts feeder box, jack box and bus terminad equipment to power, and the electrical quantity of collection is linked into the long-range prison of the system
In control system, the machine room busbar distribution long distance control system has collection machine room electrical quantity efficiency high and analyzing and processing data efficiency
High advantage.
The preferred embodiments of the present invention are clearly stated above with reference to accompanying drawing, it is understood, however, that the present invention does not receive it
Limit.For a person skilled in the art, the present invention can have various modifications and variations.All spiritual and originals in the present invention
Within then, any modification, equivalent substitution and improvements made etc. should be included within scope of the presently claimed invention.
Claims (10)
1. a kind of machine room busbar distribution long distance control system, it is characterised in that include the grafting powered for terminad equipment
Case, for the feeder box and long distance control system of upper electric power system power taking, the jack box to be connected with feeder box, it is described insert
Connect case and feeder box be internally provided with detection module and acquisition module, the acquisition module respectively with detection module and remote monitoring
System connects.
2. machine room busbar distribution long distance control system according to claim 1, it is characterised in that the detection module is to adopt
The transformer of collection alternating current data or the Hall current sensor of collection direct current data.
3. machine room busbar distribution long distance control system according to claim 1, it is characterised in that the long distance control system
Include for transmit the floor switch of electrical quantity information, Central Control Room computer, the fire wall for protecting information safety and
For receiving the remote equipment of electrical quantity information, the floor switch, Central Control Room computer, fire wall and remote equipment are successively
Connection, the floor switch is connected with acquisition module.
4. machine room busbar distribution long distance control system according to claim 1, it is characterised in that the jack box outer surface
The first indicator lamp for indicating the breaker break-make of jack box is provided with, first indicator lamp is last with the breaker of jack box
End connection, the feeder box outer surface is provided with the second indicator lamp for indicating the breaker break-make of feeder box and for indicating
The alarm light of the inlet wire cable of the breaker front end of feeder box, second indicator lamp is connected with the breaker end of feeder box,
The alarm light is connected with the breaker front end of feeder box.
5. machine room busbar distribution long distance control system according to claim 1, it is characterised in that set inside the feeder box
It is equipped with the Modbus gateways for Modbus-RTU/ASCII signals being converted into Modbus-TCP signals.
6. machine room busbar distribution long distance control system according to claim 1, it is characterised in that set inside the feeder box
The Surge Protector for providing security protection for communication line is equipped with, is provided with the Surge Protector for protecting surge protection
The fuse or breaker of device.
7. machine room busbar distribution long distance control system according to claim 1, it is characterised in that the jack box and feed
RS485 attachment means are provided with case, are connected with each other between two RS485 attachment means.
8. machine room busbar distribution long distance control system according to claim 1, it is characterised in that the jack box and feed
WIFI communication module is provided with inside case.
9. machine room busbar distribution long distance control system according to claim 1, it is characterised in that the jack box and feed
Power line carrier module is provided with inside case.
10. machine room busbar distribution Field Monitoring System according to claim 1, it is characterised in that the machine room busbar distribution
Whether Field Monitoring System is used to judge voltage, electric current while being zero, if zero, then circuit loop disconnection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611267062.4A CN106655515A (en) | 2016-12-31 | 2016-12-31 | Machine room bus power distribution remote monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611267062.4A CN106655515A (en) | 2016-12-31 | 2016-12-31 | Machine room bus power distribution remote monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106655515A true CN106655515A (en) | 2017-05-10 |
Family
ID=58839002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611267062.4A Pending CN106655515A (en) | 2016-12-31 | 2016-12-31 | Machine room bus power distribution remote monitoring system |
Country Status (1)
| Country | Link |
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| CN (1) | CN106655515A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104158134A (en) * | 2014-06-30 | 2014-11-19 | 江苏德驰电气有限公司 | Low-voltage bus duct IOT (Internet of Things) plug box |
| CN104236622A (en) * | 2013-06-24 | 2014-12-24 | 江苏香江科技股份有限公司 | Intelligent machine room wall-mounted bus monitor |
| CN204882838U (en) * | 2015-08-31 | 2015-12-16 | 兰州海红技术股份有限公司 | Direct current 240 or 336V distribution equipment electric quantity and load condition monitor cell |
| CN205595758U (en) * | 2016-05-05 | 2016-09-21 | 成都市阳光电器工业有限公司 | Jack box with voltage detecting function |
-
2016
- 2016-12-31 CN CN201611267062.4A patent/CN106655515A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104236622A (en) * | 2013-06-24 | 2014-12-24 | 江苏香江科技股份有限公司 | Intelligent machine room wall-mounted bus monitor |
| CN104158134A (en) * | 2014-06-30 | 2014-11-19 | 江苏德驰电气有限公司 | Low-voltage bus duct IOT (Internet of Things) plug box |
| CN204882838U (en) * | 2015-08-31 | 2015-12-16 | 兰州海红技术股份有限公司 | Direct current 240 or 336V distribution equipment electric quantity and load condition monitor cell |
| CN205595758U (en) * | 2016-05-05 | 2016-09-21 | 成都市阳光电器工业有限公司 | Jack box with voltage detecting function |
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| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 510000 802a, No. 9, caipin Road, Huangpu District, Guangzhou City, Guangdong Province (office only) Applicant after: Guangzhou ruisai Technology Co., Ltd. Address before: 510000 501A, two street, 9 sinks, Guangzhou, Guangdong, Luogang District Applicant before: Guangzhou keen Electromechanical Equipment Co., Ltd. |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170510 |
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| RJ01 | Rejection of invention patent application after publication |