CN108594749A - A kind of centre panel for the electronic conversion of urban railway system platform shielding door - Google Patents
A kind of centre panel for the electronic conversion of urban railway system platform shielding door Download PDFInfo
- Publication number
- CN108594749A CN108594749A CN201810371831.8A CN201810371831A CN108594749A CN 108594749 A CN108594749 A CN 108594749A CN 201810371831 A CN201810371831 A CN 201810371831A CN 108594749 A CN108594749 A CN 108594749A
- Authority
- CN
- China
- Prior art keywords
- execution unit
- electronic conversion
- control
- panel
- centre
- 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
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
Abstract
The invention discloses a kind of centre panels for the electronic conversion of urban railway system platform shielding door,Including electronic conversion control panel,Multigroup upstream side execution unit and multigroup downlink side execution unit,Electronic conversion control panel is communicated by integrated the first isolation gateway inside it with gate centre panel,Electronic conversion control panel by integrated control line interface inside it respectively with the upstream side execution unit positioned at first place,The control input signal terminal of downlink side execution unit is connected,Electronic conversion control panel by integrated the second isolation gateway inside it respectively with positioned at the first upstream side execution unit,The communication terminal of downlink side execution unit is connected,The long-range switching of ventilation function and power saving function between rail side and platform side had both may be implemented in the present invention,The electronic conversion equipment of each execution unit is monitored in real time again,And in case of emergency（Fire）, the function of fire prevention and smoke evacuation can be reached, had a good application prospect.
Description
Technical field
The present invention relates to technical field of rail traffic, and in particular to one kind is electronic for urban railway system platform shielding door
The centre panel of conversion.
Background technology
In recent years, along with the rapid development of urban track traffic industry, people are in the peace to urban track traffic operation
Full property requirement is increasing simultaneously, and the comfort and energy saving of platform are also increasingly valued by people.
Currently, for the underground station of urban track traffic, platform side and rail side, mainly by overall height shield door and top
Shutter is isolated.Top shutter is using fixed, and this mode can only play the role of ventilation decompression, not
The function of energy-saving fire proof can be reached.Also some cities, it is in the majority with north city, using the top shutter manually controlled
Structure, the opening and closing of control shutter are gone by manpower completely, although this mode can reach ventilation and energy-efficient double
It is important to ask, however, it is desirable to platform operation personnel is manually operated one by one, it is time-consuming and laborious, and it is unable to reach the spy of fire-proof smoke-proof
Different to require, a variety of factors cause the structure of the top shutter manually controlled not promoted further.
Therefore, how to solve platform side and rail side ventilation and it is energy saving between function automatic switchover, how to realizing
How remote control to overall height shield door top shutter and monitoring, realize fire and smoke exhaust function of platform side etc., these are all
It is problem to be solved.
Invention content
The purpose of the present invention is overcome the prior art cannot achieve platform side and rail side ventilation and it is energy saving between function
Automatic switchover, the fire and smoke exhaust to realizing to the remote control of overall height shield door top shutter and monitoring, realizing platform side
The problem of function.The centre panel for the electronic conversion of urban railway system platform shielding door of the present invention, both may be implemented
The long-range switching of ventilation function and power saving function between rail side and platform side, and to the electronic converting means of each execution unit
Real time monitoring is set, and in case of emergency（Fire）, the function of fire prevention and smoke evacuation can be reached, it is securely and reliably, easy to use,
Appearance has a good application prospect.
In order to achieve the above object, the technical solution adopted in the present invention is：
A kind of centre panel for the electronic conversion of urban railway system platform shielding door, including it is electronic conversion control panel, more
Group upstream side execution unit and multigroup downlink side execution unit, the upstream side execution unit, downlink side execution unit data
It is identical as the quantity of urban railway system platform shielding door respectively, and each upstream side execution unit cascades successively, each downlink side is held
Row unit cascades successively,
The electronic conversion control panel is led to by integrated the first isolation gateway inside it with gate centre panel
Letter, the electronic conversion control panel execute list with positioned at the first upstream side respectively by integrated control line interface inside it
First, downlink side execution unit control input signal terminal is connected, and the electronic conversion control panel is by integrating inside it
The second isolation gateway be connected respectively with the communication terminal positioned at the first upstream side execution unit, downlink side execution unit,
The electronic conversion control panel is mounted in gate canyon, for controlling upstream side execution unit, the downlink of both sides
The keying of side execution unit and condition monitoring, and for being communicated with gate centre panel, for receiving in gate
The control signal of control panel is entreated, and sends control signals to corresponding upstream side execution unit or downlink side execution unit.
A kind of centre panel for the electronic conversion of urban railway system platform shielding door above-mentioned, the electronic conversion
Control panel, including
HMI human-computer interaction interfaces, the state for each execution unit of real-time display and manually opened single electric execution unit
Position；
Mode selection switch, for switching the operating mode when each execution unit of front side；
Fault alarm indicator light, for showing that each execution unit when front side whether there is failure；
Scram button is used for the action of the corresponding execution unit in the emergency termination side；
PLC master controllers, the status information of control instruction and each execution unit of reception for sending each execution unit.
A kind of centre panel for the electronic conversion of urban railway system platform shielding door above-mentioned, the upstream side are held
Row unit, downlink side execution unit include electronic conversion equipment, Electric Actuator and hand held controller, the electronic converting means
It sets and is connected respectively with Electric Actuator and hand held controller, the Electric Actuator and the control line in electronic conversion control panel
The execution unit of interface or upper level is connected.
A kind of centre panel for the electronic conversion of urban railway system platform shielding door above-mentioned, the electronic conversion
Control panel receives the four road external commands that gate centre panel is sent, including fire-fighting center open instructions, energy saving center are closed
Instruction, control centre's switch order and reserved switch order are closed,
When fire-fighting center open instructions is effective, open instructions, highest priority are sent out to all execution units；In energy saving
When heart out code is effective, out code is sent out to all execution units, priority is taken second place；Control centre's switch order and reserved
Switch order priority is minimum, and when high priority instruction is effective, low priority instruction failure.
A kind of centre panel for the electronic conversion of urban railway system platform shielding door above-mentioned, the electronic conversion
Control panel further includes matching preparation controller.
A kind of centre panel for the electronic conversion of urban railway system platform shielding door above-mentioned, the model selection
Switch is four non-automatic-reset selecting switch, and shelves are opened in respectively network shelves, automatic transmission, collection control pass shelves sum aggregate control, when the pattern is opened
When pass is threaded to network shelves, at this point, the execution unit of the side only responds communication instruction；When the mode switch is threaded to automatic transmission, this
When, the control signal of the execution unit response gate centre panel transmission of the side；It is closed when the mode switch is threaded to collection control
When shelves, at this point, the execution unit Close All of the side and the control signal that no longer response gate centre panel is sent；When
The mode switch is threaded to collection control when opening grade, at this point, the execution unit of the side is fully open and no longer response gate center control
The control signal that disk is sent.
A kind of centre panel for the electronic conversion of urban railway system platform shielding door above-mentioned, first isolation
Gateway and the second isolation gateway are all made of MODBUS/TCP MODBUS/RTU agreements.
The beneficial effects of the invention are as follows：The center control for the electronic conversion of urban railway system platform shielding door of the present invention
The long-range switching of the ventilation function and power saving function between rail side and platform side had not only may be implemented in disk processed, but also to each execution
The electronic conversion equipment of unit monitors in real time, and in case of emergency（Fire）, the function of fire prevention and smoke evacuation can be reached, pacified
Complete reliable, easy to use, appearance has a good application prospect.
Description of the drawings
Fig. 1 is the system frame of the centre panel for the electronic conversion of urban railway system platform shielding door of the present invention
Figure；
Fig. 2 is the system block diagram of the electronic conversion control panel of the present invention；
Fig. 3 is the system block diagram of the PLC master controllers of the present invention；
Fig. 4 is the connection diagram of each execution unit of the present invention；
Fig. 5 is the principle schematic of the centre panel for the electronic conversion of urban railway system platform shielding door of the present invention.
Specific implementation mode
Below in conjunction with Figure of description, the present invention is further illustrated.
As shown in Figure 1, the centre panel for the electronic conversion of urban railway system platform shielding door of the present invention, including
Electronic conversion control panel, multigroup upstream side execution unit and multigroup downlink side execution unit, the upstream side execution unit, downlink
The data of side execution unit are identical as the quantity of urban railway system platform shielding door respectively, and each upstream side execution unit is successively
Cascade, each downlink side execution unit cascade successively,
The electronic conversion control panel is led to by integrated the first isolation gateway inside it with gate centre panel
Letter, the electronic conversion control panel execute list with positioned at the first upstream side respectively by integrated control line interface inside it
First, downlink side execution unit control input signal terminal is connected, and the electronic conversion control panel is by integrating inside it
The second isolation gateway be connected respectively with the communication terminal positioned at the first upstream side execution unit, downlink side execution unit,
The electronic conversion control panel is mounted in gate canyon, for controlling upstream side execution unit, the downlink of both sides
The keying of side execution unit and condition monitoring, and for being communicated with gate centre panel, for receiving in gate
The control signal of control panel is entreated, and sends control signals to corresponding upstream side execution unit or downlink side execution unit.
The centre panel for the electronic conversion of urban railway system platform shielding door of the present invention, further includes power supply mould
Block, power module provide work electricity to electronic conversion control panel, multigroup upstream side execution unit and multigroup downlink side execution unit
Source.
As shown in Fig. 2, the electronic conversion control panel, including
HMI human-computer interaction interfaces, the state for each execution unit of real-time display and manually opened single electric execution unit
Position；
Mode selection switch, for switching the operating mode when each execution unit of front side；
Fault alarm indicator light, for showing that each execution unit when front side whether there is failure；
Scram button is used for the action of the corresponding execution unit in the emergency termination side；
PLC master controllers, the status information of control instruction and each execution unit of reception for sending each execution unit.
Preferably, the upstream side execution unit, downlink side execution unit include electronic conversion equipment, Electric Actuator
And hand held controller, the electronic conversion equipment are connected with Electric Actuator and hand held controller respectively, the electronic execution
Device is connected with the execution unit of control line interface or upper level in electronic conversion control panel.
As shown in figure 3, the electronic conversion control panel, receives the four road external commands that gate centre panel is sent,
Including fire-fighting center open instructions, the instruction of energy saving closed center, control centre's switch order and reserved switch order,
When fire-fighting center open instructions is effective, open instructions, highest priority are sent out to all execution units；In energy saving
When heart out code is effective, out code is sent out to all execution units, priority is taken second place；Control centre's switch order and reserved
Switch order priority is minimum, and when high priority instruction is effective, low priority instruction failure.
The electronic conversion control panel further includes matching preparation controller, is used for receiving external control instruction for assisting, and control
The switching motion of each execution unit of uplink and downlink side processed, and constantly the switch of monitoring uplink and downlink each unit in place believe by situation, failure
Breath etc., and the state of each unit mechanism is constantly monitored by HMI human-computer interaction interfaces, and necessary information is passed through into communication port
It is uploaded to gate centre panel.
The mode selection switch be four non-automatic-reset selecting switch, respectively network shelves, automatic transmission, collection control close shelves and
Shelves are opened in collection control, when the mode switch is threaded to network shelves, at this point, the execution unit of the side only responds communication instruction；When the pattern
When switch is threaded to automatic transmission, at this point, the control signal that the execution unit response gate centre panel of the side is sent；When this
When mode switch is threaded to collection control pass shelves, at this point, the execution unit Close All of the side and the no longer control of response gate center
The control signal that disk is sent；When the mode switch, which is threaded to collection control, to be opened grade, at this point, the execution unit of the side is fully open and no longer
Respond the control signal that gate centre panel is sent.
The fault alarm indicator light, for show uplink and downlink side each execution unit fault message, when the side is arbitrary
When one unit mechanisms breaks down, the malfunction indicator lamp of the side is lighted, and can easily be carried out in conjunction with HMI human-computer interactions touch screen
Fault detect.
An emergency stop button switch, when the scram button of front side is taken, the electric rotating of the side is respectively arranged in uplink and downlink side
Changing device can stop work at present immediately, not control signal in corresponding any external control sum aggregate control；Only work as scram button
After reset, electronic conversion equipment can response external signal；
The first isolation gateway and the second isolation gateway are all made of MODBUS/TCP MODBUS/RTU agreements, the first isolation
Gateway is used for electronic converting system and third party system（Gate centre panel）Carry out electrical isolation, third party system
Our equipment can only be accessed and be sent control command according to the agreement of agreement, we responds its effective visit order and control
System order, the isolation gateway can effectively filter out invalid access and abnormal control command, while by third party system
It is isolated with our built-in system, avoids third party device from generating any electrical Interference to our system, influence our equipment
Normal use；Second isolation gateway is used to electronic conversion control panel and each execution unit carrying out electrical isolation.Each execution
Unit can only be communicated according to the agreement of agreement with electronic conversion control panel, and the reading electric rotating of electronic conversion control panel is responded
The order of changing device state, while the network manual control commands of centre panel are responded, which can be by electric rotating
Changing device is isolated with centre panel, and situations such as avoiding electronic conversion equipment short-circuit generates centre panel electrical dry
It disturbs.
The HMI human-computer interaction interfaces are communicated by MODBUS/TCP agreements and PLC master controllers, and in touch screen
The upper each electronic conversion equipment status information of execution unit of display, PLC master controllers monitor the electronic conversion equipment of each unit
Real-time status, communication port and the external system of the controller of PSC cabinets carry out data exchange, grid topological diagram such as attached drawing 4
It is shown.
As shown in figure 5, the centre panel for the electronic conversion of urban railway system platform shielding door of the present invention, work
Schematic diagram, the data flow for indicating each equipment room, PLC（PLC master controllers）Each TCU is acquired in real time（Execution unit）
Status data（Such as current TCU is opened, TCU is closed）, read system input signal（Such as operate emergency stop order）, read
The network manual switch TCU that HMI feedbacks come is instructed, is read BAS（Gate centre panel, external system）What feedback came
Remote control switch order.Then it focuses on, the input data of each status data of TCU and system is fed back into HMI
（HMI human-computer interaction interfaces）And TCU, it is analyzed by the data fed back according to each TCU, and feed back to the output of system
End, is shown using indicating unit（Such as TCU failures, then controls buzzer and alarm）, HMI receives the number that PLC is sent
According to being shown, while the network manual switch gate signal that HMI is received is sent to PLC, corresponding TCU is transmitted to by PLC.The
Three method, system BAS receive the data that PLC was sent out, at the same BAS can irregular transmission remote control switch command to PLC, PLC roots
The output of the corresponding relay of delivery outlet control of command control system, the output signal of the relay are connected to respectively by rigid line accordingly
A TCU, control whole side TCU are switched.
In conclusion the centre panel for the electronic conversion of urban railway system platform shielding door of the present invention, both may be used
To realize the long-range switching of ventilation function and power saving function between rail side and platform side, and to the electronic of each execution unit
Conversion equipment monitors in real time, and in case of emergency（Fire）, the function of fire prevention and smoke evacuation can be reached, securely and reliably, made
With conveniently, appearance has a good application prospect.
The basic principles and main features and advantage of the present invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and the above embodiments and description only describe the originals of the present invention
Reason, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes and improvements
It all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent circle
It is fixed.
Claims (7)
1. a kind of centre panel for the electronic conversion of urban railway system platform shielding door, it is characterised in that：Including electronic
Conversion and control disk, multigroup upstream side execution unit and multigroup downlink side execution unit, the upstream side execution unit, downlink side are held
The data of row unit are identical as the quantity of urban railway system platform shielding door respectively, and each upstream side execution unit grade successively
Connection, each downlink side execution unit cascade successively,
The electronic conversion control panel is led to by integrated the first isolation gateway inside it with gate centre panel
Letter, the electronic conversion control panel execute list with positioned at the first upstream side respectively by integrated control line interface inside it
First, downlink side execution unit control input signal terminal is connected, and the electronic conversion control panel is by integrating inside it
The second isolation gateway be connected respectively with the communication terminal positioned at the first upstream side execution unit, downlink side execution unit,
The electronic conversion control panel is mounted in gate canyon, for controlling upstream side execution unit, the downlink of both sides
The keying of side execution unit and condition monitoring, and for being communicated with gate centre panel, for receiving in gate
The control signal of control panel is entreated, and sends control signals to corresponding upstream side execution unit or downlink side execution unit.
2. a kind of centre panel for the electronic conversion of urban railway system platform shielding door according to claim 1,
It is characterized in that：The electronic conversion control panel, including
HMI human-computer interaction interfaces, the state for each execution unit of real-time display and manually opened single electric execution unit
Position；
Mode selection switch, for switching the operating mode when each execution unit of front side；
Fault alarm indicator light, for showing that each execution unit when front side whether there is failure；
Scram button is used for the action of the corresponding execution unit in the emergency termination side；
PLC master controllers, the status information of control instruction and each execution unit of reception for sending each execution unit.
3. a kind of centre panel for the electronic conversion of urban railway system platform shielding door according to claim 2,
It is characterized in that：The upstream side execution unit, downlink side execution unit include electronic conversion equipment, Electric Actuator and hand
Hold controller, the electronic conversion equipment is connected with Electric Actuator and hand held controller respectively, the Electric Actuator with
The execution unit of control line interface or upper level in electronic conversion control panel is connected.
4. a kind of centre panel for the electronic conversion of urban railway system platform shielding door according to claim 1,
It is characterized in that：The electronic conversion control panel receives the four road external commands that gate centre panel is sent, including fire-fighting
Center open instructions, the instruction of energy saving closed center, control centre's switch order and reserved switch order,
When fire-fighting center open instructions is effective, open instructions, highest priority are sent out to all execution units；In energy saving
When heart out code is effective, out code is sent out to all execution units, priority is taken second place；Control centre's switch order and reserved
Switch order priority is minimum, and when high priority instruction is effective, low priority instruction failure.
5. a kind of centre panel for the electronic conversion of urban railway system platform shielding door according to claim 2,
It is characterized in that：The electronic conversion control panel further includes matching preparation controller.
6. a kind of centre panel for the electronic conversion of urban railway system platform shielding door according to claim 2,
It is characterized in that：The mode selection switch is four non-automatic-reset selecting switch, and respectively network shelves, automatic transmission, collection control is closed
Shelves are opened in shelves sum aggregate control, when the mode switch is threaded to network shelves, at this point, the execution unit of the side only responds communication instruction；When this
When mode switch is threaded to automatic transmission, at this point, the control signal that the execution unit response gate centre panel of the side is sent；
When the mode switch, which is threaded to collection control, closes shelves, at this point, the execution unit Close All of the side and no longer response gate center
The control signal that control panel is sent；When the mode switch, which is threaded to collection control, to be opened grade, at this point, the execution unit of the side it is fully open and
The control signal that no longer response gate centre panel is sent.
7. a kind of centre panel for the electronic conversion of urban railway system platform shielding door according to claim 2,
It is characterized in that：The first isolation gateway and the second isolation gateway are all made of MODBUS/TCP MODBUS/RTU agreements.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810371831.8A CN108594749A (en) | 2018-04-24 | 2018-04-24 | A kind of centre panel for the electronic conversion of urban railway system platform shielding door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810371831.8A CN108594749A (en) | 2018-04-24 | 2018-04-24 | A kind of centre panel for the electronic conversion of urban railway system platform shielding door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108594749A true CN108594749A (en) | 2018-09-28 |
Family
ID=63614866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810371831.8A Pending CN108594749A (en) | 2018-04-24 | 2018-04-24 | A kind of centre panel for the electronic conversion of urban railway system platform shielding door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108594749A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102518352A (en) * | 2011-12-28 | 2012-06-27 | 北京鼎汉技术股份有限公司 | Platform door control system and platform door control method |
| CN103043080A (en) * | 2012-12-16 | 2013-04-17 | 四川久远新方向智能科技有限公司 | Gate control device for railway transportation shield gate system |
| CN106123248A (en) * | 2016-08-22 | 2016-11-16 | 南京康尼电子科技有限公司 | A kind of urban track traffic Electric air valve control system |
| CN106246039A (en) * | 2016-08-23 | 2016-12-21 | 南京康尼电子科技有限公司 | A kind of urban track traffic electric rotating changing device control system |
| CN107905678A (en) * | 2017-12-13 | 2018-04-13 | 南京康尼电子科技有限公司 | A kind of track traffic gate fan accelerator control system with security function |
-
2018
- 2018-04-24 CN CN201810371831.8A patent/CN108594749A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102518352A (en) * | 2011-12-28 | 2012-06-27 | 北京鼎汉技术股份有限公司 | Platform door control system and platform door control method |
| CN103043080A (en) * | 2012-12-16 | 2013-04-17 | 四川久远新方向智能科技有限公司 | Gate control device for railway transportation shield gate system |
| CN106123248A (en) * | 2016-08-22 | 2016-11-16 | 南京康尼电子科技有限公司 | A kind of urban track traffic Electric air valve control system |
| CN106246039A (en) * | 2016-08-23 | 2016-12-21 | 南京康尼电子科技有限公司 | A kind of urban track traffic electric rotating changing device control system |
| CN107905678A (en) * | 2017-12-13 | 2018-04-13 | 南京康尼电子科技有限公司 | A kind of track traffic gate fan accelerator control system with security function |
Non-Patent Citations (1)
| Title |
|---|
| 韩宝明: "《中国城市轨道交通年度报告 2014》", 31 July 2015, 北京交通大学出版社 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103779960A (en) | Intelligent switching station integrated monitoring system | |
| CN102426443A (en) | Information collecting and monitoring system and information collecting and monitoring method of clean operating room | |
| CN103105796A (en) | Intelligent potential transformer (PT) automatic connection and separation switch device | |
| CN102868221A (en) | Intelligent drawer switch cabinet | |
| CN105406589A (en) | Intellectual press plate system for relay protection of transformer substation | |
| CN104967216B (en) | A kind of substation and its monitoring system and its monitoring method | |
| CN202383493U (en) | Automatic control device for heating and ventilation of transformer substation | |
| CN209044341U (en) | Air-raid shelter's three proof controllers of intelligence | |
| CN108594749A (en) | A kind of centre panel for the electronic conversion of urban railway system platform shielding door | |
| CN201569901U (en) | Comprehensive monitor of base station | |
| CN203364343U (en) | Intelligent fresh air and air conditioner linkage control device | |
| CN207638405U (en) | A kind of novel transformer substation romote controlled locking device | |
| CN202353306U (en) | Alternating current UPS (uninterrupted power supply) monitoring device for power | |
| CN106246039B (en) | A kind of electronic conversion equipment control system of urban track traffic | |
| CN213276353U (en) | Intelligent building integrated control system based on Internet of things | |
| CN110535239B (en) | Modification application method of automatic mining and controlling device in fire-fighting monitoring system | |
| CN107942760A (en) | A kind of fire-fighting link intelligence control system and its method of work for window opener | |
| CN203324867U (en) | Smart host based on power distribution automation auxiliary monitoring, early warning and processing system | |
| CN208651244U (en) | Subway smoke exhaust fan control cabinet | |
| CN204563405U (en) | A kind of coal preparation plant Fire Control Cabinet | |
| CN206712848U (en) | Network apparatus remote diagnostic system | |
| CN202840681U (en) | Integrated intelligent monitoring device in power distribution room of residential district | |
| CN202274575U (en) | Intelligent through-flow ventilation control device | |
| CN206339865U (en) | A kind of distributed communication network of computer room monitoring system | |
| CN219285623U (en) | Prefabricated cabin control system, prefabricated cabin and prefabricated cabin type transformer substation |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180928 |