CN201071234Y - Wireless remotely monitoring apparatus of elevator - Google Patents
Wireless remotely monitoring apparatus of elevator Download PDFInfo
- Publication number
- CN201071234Y CN201071234Y CNU2007200714859U CN200720071485U CN201071234Y CN 201071234 Y CN201071234 Y CN 201071234Y CN U2007200714859 U CNU2007200714859 U CN U2007200714859U CN 200720071485 U CN200720071485 U CN 200720071485U CN 201071234 Y CN201071234 Y CN 201071234Y
- Authority
- CN
- China
- Prior art keywords
- elevator
- data
- module
- sub
- radio
- 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 - Lifetime
Links
Images
Landscapes
- Indicating And Signalling Devices For Elevators (AREA)
Abstract
The utility model provides a wireless remote elevator monitor device based on wireless network for accurately monitoring the operation state of the elevator in time, improving operation quality of in-situ personnel, and solving the problems that the prior elevator has high cost in data transmission through telephone line or network line, the telephone line is very busy and has low utilization efficiency, and the network line needs good network environment in the elevator region. The device comprises an elevator group inner data transmission sub-device; a remote elevator monitor sub-device; and a wireless network for data communication between the two sub-devices. The utility model has wide application range, and the entire device is constructed in a wireless network to obviate the limitation of conventional wiring. The node number in the device can be expanded conveniently without the inconvenient and high-cost rewiring operation. The cost of a section GPRS is calculated according to data flow, which can maximally reduce the use cost and can inform and conduct the maintainer to handle the on-site condition via short message.
Description
Technical field
The utility model relates to a kind of elevator monitoring apparatus, and specifically, ground relates to a kind of elevator wireless remote control monitor unit based on wireless network.
Background technology
At present, elevator has become the requisite vertical transportation instrument of skyscraper.The safe handling of elevator and management are directly connected to the people's lives and property safety, and when the elevator long distance supervisory system was not set, Lift out of order had only by the car interphone and cries for help to the building attendant.Otherwise just can leave elevator after having only the trouble-shooting of wait, therefore, need monitor and forewarn system the elevator setting safety long-distance.The core of elevator long-distance monitorng and forewarn system is parts such as remote data transmission, monitoring software, early warning.Remote data transmission in the existing elevator long-distance monitorng all adopts wired mode, as passing through Internet netting twine, telephone wire etc.The software configuration of monitor terminal mostly is C/S (Client/server, client/server) structure greatly, is CN200510050699.3 " based on the remote elevator monitoring system of Internet network " as application number.It adopts local area network interface or telephone line interface, utilization is carried out data communication with the mode that embedded system technology inserts the internet, the operating data of monitoring electric life controller, realize elevator management, there are defectives such as cost height (equipment investment expense height, over-the-road expense height), complicated, the frequent appearance monitoring of configuration go offline in this system.If do not reserve Internet netting twine, telephone wire in the building, then this elevator can't be realized remote monitor and control.In addition, what its software adopted is the C/S structure, and monitor terminal meter one calculation machine must be installed client software and could realize remote monitor and control, and can only be the computer monitoring of monitor terminal, and other clients can not be monitored.Existing monitored control system has only the supervisor to find Lift out of order from supervisory control computer, notifies the maintainer that elevator is keeped in repair by other modes again; As the monitor terminal unsupervised, can't make the early warning response.
Chinese patent application CN 200610047314.2 provides a kind of elevator long-distance monitorng and forewarn system based on wireless network, comprise by electric life controller, data server, server database, the elevator monitoring system that monitor terminal is formed reaches the system with wireless network communication, it is characterized in that: elevator monitoring system utilizes described electric life controller to be connected with the elevator monitoring module, the elevator monitoring module is core with the flush bonding processor, embedded program store FLASH, data memory RAM, external gsm module, CAN Bus buS module, the RS485/RS232 communication module, with the power failure emergency power supply of farad capacitor as power subsystem unit, and utilize the gsm module of described elevator monitoring module, by the wireless communication base station in the wireless network, the Communications service platform, the internet, type of transmission with USSD connects the data server that adopts the B/S software configuration, and described monitor terminal connects the WEB browser of internet.It only provides a kind of simple elevator long-distance monitorng mode, but and for the implementation method of its monitoring is known detailed elaboration, those skilled in the art be difficult to realize that its practicality is novel, and this application can't handle and add up the data of monitoring, and function is quite weak.
The utility model content
The purpose of this utility model provides a kind of elevator wireless remote control monitor unit based on wireless network, to understand the elevator operation conditions timely and accurately, improve field staff's operation quality, and it is higher by telephone line or netting twine transmission data cost to overcome existing elevator end, the line is busy easily that service efficiency is low for telephone line, and netting twine need use the zone of elevator to have the problem of reasonable network environment.
The technical matters that the utility model solved can realize by the following technical solutions:
A kind of elevator wireless remote control monitor unit is characterized in that, comprising:
The sub-device of elevator group internal data transfer;
The sub-device of elevator long-distance monitorng;
The wireless network that is used for data communication between the two sub-devices.
In the utility model, the sub-device of described elevator group internal data transfer comprises:
Be arranged on the control panel that detects the elevator service condition on every elevator of elevator group;
Be connected the transmission radio-frequency module that the line data of going forward side by side sends by the RS485 communication interface with each control panel;
One sends radio-frequency module with each carries out the central radio-frequency module of data transmission by less radio-frequency, and it is connected by the RS485 communication interface with a control panel;
One passes through the RS232 communication interface is connected with the central radio-frequency module, outwards receives and send the wireless communication module of data.
The sub-device of described elevator group internal data transfer comprises:
Be arranged on the control panel that detects the elevator service condition on every elevator of elevator group;
Be connected the transmission radio-frequency module that the line data of going forward side by side sends by the RS485 communication interface with each control panel;
Each sends the relaying radio-frequency module of radio-frequency module data by the less radio-frequency relaying, and it is connected by the RS485 communication interface with a control panel
One sends radio-frequency module and trunk module with each carries out the central radio-frequency module of data transmission by less radio-frequency, and it is connected by the RS485 communication interface with a control panel;
One passes through the RS232 communication interface is connected with the central radio-frequency module, outwards receives and send the wireless communication module of data.
The sub-device of described elevator long-distance monitorng comprises:
Data sink/transmitter module;
The elevator long-distance monitorng module that links to each other with data sink/transmitter module;
The remote monitor and control data bank that links to each other with the elevator long-distance monitorng module;
The data processing module that links to each other with the remote monitor and control data, data statistic analysis module and device are provided with module.
Described wireless network can be GPRS network or 3G network, to guarantee speed of transmission and cost-cutting faster.
In the utility model, can carry out data transmission by the database server of wireless carriers between sub-device of elevator group internal data transfer and the sub-device of elevator long-distance monitorng, the sub-device of elevator group internal data transfer carries out data communication by the data server of wireless network and wireless carriers, carries out data communication by the INTERNET network between the sub-device of the data server of wireless carriers and elevator long-distance monitorng.
Also be provided with the handheld device of using, possess radio communication function for on-the-spot elevator maintenance personnel in this device, it can carry out data communication with the data sink/transmitter module of the sub-device of elevator long-distance monitorng, receives the instruction from the sub-device of elevator long-distance monitorng.
In this device, also can be provided with and data processing module bonded assembly company database, so that the information in the remote monitor and control data bank is written into and backs up.
The utility model is applied widely, and the equal framework of whole device has been avoided the limitation of traditional wiring in wireless network, and is particularly on-the-spot for transforming; Extensibility is strong, because be wireless network, and number of nodes in the expanding unit easily, and the operation inconvenience that rewiring brings, the puzzlement of cost height needn't be arranged; With low cost, it is more cheap that this wireless network hardware cost is compared traditional cable network, and produce the part GPRS of expense in using, for chargeing by data traffic, can save operating costs to greatest extent, and can in time notify, instruct the repair and maintenance personnel to handle field conditions by note.
Description of drawings
Fig. 1 is the utility model elevator wireless remote control monitor unit structural representation.
Fig. 2 is the sub-apparatus structure scheme drawing of the utility model one embodiment elevator group internal data transfer.
Fig. 3 is the sub-apparatus structure scheme drawing of another embodiment elevator group internal data transfer of the utility model.
Fig. 4 is the schematic diagram of the utility model control board for elevator and radio-frequency module communication interface circuit.
Fig. 5 is each functions of modules scheme drawing of the sub-device of the utility model elevator long-distance monitorng.
Fig. 6 is the control monitor unit structural representation that a plurality of sub-districts of the utility model elevator group constitutes.
Fig. 7 carries out the diagram of circuit that field operation instructs for the utility model.
Fig. 8 carries out the diagram of circuit of fault investigation for the utility model.
Fig. 9 is the utility model elevator pattern, program updates diagram of circuit.
The specific embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
As shown in Figure 1, a kind of elevator wireless remote control monitor unit comprises:
By the elevator group that many elevators constitute, data transmission is carried out by certain mode in elevator group inside, has constituted the sub-device of elevator group internal data transfer;
The sub-device of elevator long-distance monitorng, it comprises:
Data sink/transmitter module;
The elevator long-distance monitorng module that links to each other with data sink/transmitter module;
The remote monitor and control data bank that links to each other with the elevator long-distance monitorng module;
The data processing module that links to each other with the remote monitor and control data, data statistic analysis module and device are provided with module, and to realize that every elevator in the elevator group is carried out monitoring management, the each several part function will be described in detail below;
Pass through the wireless network data communication between the two sub-devices, wireless network can be the widest GPRS network of covering of current trend, or the 3G network of building, adopt which kind of wireless network can not influence enforcement of the present utility model, mainly describe in the present embodiment from the employing GPRS network.
Referring to Fig. 2, the elevator group that constitutes with the sub-district elevator in the present embodiment describes, comprise many elevators in the sub-device of elevator group internal data transfer of sub-district, all be provided with control panel on every elevator, it can detect the elevator service condition, can outwards export the working condition of elevator, all be connected a radio-frequency module with each control panel by the RS485 communication interface, to carry out data communication, most control panel bonded assembly radio-frequency modules are for sending radio-frequency module, elevator 1 as shown in FIG. and elevator 2.
Also be provided with a central radio-frequency module in this sub-device, it also is connected with control board for elevator by the RS485 communication interface, and send radio-frequency module with each and carry out data communication by wireless radio frequency mode, can with each with the elevator work condition information piece that sends the collection of radio frequency mould to compile, constitute the cell monitoring center, the central radio-frequency module is connected with GPRS module (the respective communication module of using when adopting 3G network that is the adaptation 3G network) by the RS485 communication interface again, the GPRS module is Internet enabled, the actual mobile phone that is equivalent to a simplification function, the working condition information that the GPRS module receives any elevator in sub-district of central radio-frequency module transmission just can outwards send the working condition information of this elevator by GPRS network.
Referring to Fig. 3, because many elevators in the sub-district may be distant at interval, and the transmission distance of less radio-frequency is limited, send communicating by letter and to encounter difficulties between radio-frequency module and the central radio-frequency module, therefore in the sub-device of elevator group internal data transfer the relaying radio-frequency module can be set, to strengthen the data transmission range of whole internal network.
The relaying radio-frequency module also is connected with a control board for elevator by the RS485 communication interface, it can arrive the central radio-frequency module by the data relay that the wireless radio frequency mode transmission radio-frequency module that the decentering radio-frequency module is far away is sent, the nearer transmitter module of certain and central radio-frequency piece can directly directly carry out data communication with the nearer transmitter module of central radio-frequency piece, even also can carry out transfer by the relaying radio-frequency module with the central radio-frequency module by RF-wise.The relaying radio-frequency module can be distributed in the elevator group of whole sub-district, only schematically only have been drawn one among the figure for a plurality of.
Certainly, each sends all direct connection GPRS modules of radio-frequency module in the elevator group, self working condition is sent to the sub-device of elevator long-distance monitorng by the GPRS module, but cost is certain to corresponding raising, also is not repeated herein.
The RS485 communication interface circuit of control board for elevator and all radio-frequency modules, as shown in Figure 4.Wherein EIO1, EIO2 are 485 signal access port (2 port expressions in parallel can insert 2 road signals simultaneously); Stabilivolt TVS15 and stabilivolt TVS16 play burning voltage; After 485 differential signals that 485 signal processing chip U92 import A, B two-way are converted to one the tunnel, reverse through reverser U93E and reverser U93D again, become one road incoming signal AIORXD at last and send into the next stage process chip, otherwise, after 485 signal processing chip U92 are converted to two-way 485 differential signals with one road output signal AIOTXD, export through A, B (corresponding EIO1-1, EIO1-2).
The A of 485 signal processing chip U92, B, GND promptly are A, B, the G of 485 interfaces of Fig. 2 and Fig. 3 signal, general G in actual the use () can not connect, so generally be exactly A, B two-way.
Elevator work condition information by GPRS module transmission can be at first sends to the database server of mobile GPRS network operator by mobile GPRS network, China Mobile's database server for example, send to the sub-device of elevator long-distance monitorng by the INTERNET network again, therefore formed sub-district in-house network (less radio-frequency net) for the sub-district elevator group, the mode of cell range external public network (GPRS+INTERNET) is carried out the monitoring of working condition to all elevators in the sub-district.
Certainly, the elevator Working state data that the GPRS module of the sub-device of elevator group internal data transfer sends can be not database server by wireless carriers carry out transfer, directly pass through wireless network, for example GPRS network is transferred to the sub-device of elevator long-distance monitorng, only need in the sub-device of elevator long-distance monitorng, be provided with one and get final product, as shown in fig. 1 with data sink/sending module bonded assembly GPRS equipment.
The handheld device of using, possess radio communication function for on-the-spot elevator maintenance personnel can also be set in the sub-device of elevator long-distance monitorng in addition, to carry out data communication with data sink/transmitter module, reception is from the instruction of elevator long-distance monitorng module, and can carry out the repair and maintenance operation according to these instructions, described handheld device can be mobile phone or PDA etc., and the instruction that receives from the elevator long-distance monitorng module can receive with way of short messages by GSM equipment; Data processing module can be connected with company database in addition, so that the information in the remote monitor and control data bank is written into and backs up.
Describe the function of each module in the sub-device of elevator long-distance monitorng in detail below in conjunction with Fig. 5, data sink/sending module receives and sends the elevator work condition information of GPRS module in the sub-device of elevator group internal data transfer by GPRS network on the one hand, the GSM mode sends the instruction note to the handheld device of field man on the other hand, these instructions comprise elevator faults information command and various field activity teaching instruction, are beneficial to the field staff and fast, correctly carry out work.
Device is provided with module can carry out operator's setting, operator's authority setting, and the elevator information setting, elevator information is set and is comprised that elevator faults setting, elevator debugging information setting, the setting of elevator style, the setting of repair and maintenance personal information, repair and maintenance information setting, failure message are handled setting, information on services is set and the customer data setting.
The elevator long-distance monitorng module is the core of whole sub-device, it can carry out alarm display to elevator faults, carrying out elevator monitors in real time, send note to the field staff, for example short message prompt repair and maintenance personnel, elevator debugging instruct, elevator faults is handled and the repair and maintenance operation, carry out the elevator data acquisition, and information on services is provided, the change of elevator style, the elevator formula is downloaded.
The data statistic analysis module can be carried out query composition to the elevator working condition, and statistical graph shows, carries out report printing, carries out Study document and derives.
The total data information of remote monitor and control data-base recording elevator work, and cooperate data processing module to carry out data importing, derivation and carry out data backup at company database.
The sub-device of elevator long-distance monitorng can be monitored a plurality of sub-districts elevator group, and the GPRS reception facilities only needs to carry out data communication with each cell monitoring center and gets final product, and apparatus structure because basic apparatus structure is identical, just is not repeated at this as shown in Figure 6.
By above device setting, the utility model can carry out various monitoring to remote elevator, once break down can be in time by the on-the-spot repair and maintenance personnel of the SMS notification solution of reaching the spot, and can instruct field staff's operation.Referring to Fig. 7, the operation item that field staff input will be carried out (for example story height be provided with etc.), the elevator long-distance monitorng module is searched the information such as step method that needs are carried out according to operation item, then by GSM equipment, send note in order to field staff's mobile phone, after the field staff operates according to information, elevator sends the result to the elevator long-distance monitorng module through the GPRS module by GPRS network, whether decision continues to send next bar content of operation or sends again operation information to the field staff after the elevator long-distance monitorng module judged result, and the above step that circulates is carried out up to operation item and finished.Greatly facilitate the solution speed of field staff like this, be beneficial to the eliminating of elevator faults fault.
Referring to Fig. 8, when the field staff can't solve fault for the moment, can carry out the fault investigation to elevator, monitoring and control centre transmission command request elevator constantly transmits some states (for example: electric current, voltage etc.) information and goes back to the center, and the center utilizes diagrammatic form to be shown to technical personnel analysis of failure possible cause.
Participate in Fig. 9, operating personal can be at the scene by interface on the elevator utilize GPRS network to download to need data updated to the specialized equipment of new data more (for example: handheld devices such as PDA), afterwards by this renewal and renovation of equipment elevator style or formula.
More than show and described groundwork of the present utility model and principal character and advantage of the present utility model.The technical personnel of the industry should be understood; the utility model is not restricted to the described embodiments; that describes in the foregoing description and the specification sheets just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (12)
1. an elevator wireless remote control monitor unit is characterized in that, comprising:
The sub-device of elevator group internal data transfer;
The sub-device of elevator long-distance monitorng;
The wireless network that is used for data communication between the two sub-devices.
2. elevator wireless remote control monitor unit as claimed in claim 1, its spy is characterised in that: the sub-device of described elevator group internal data transfer comprises:
Be arranged on the control panel that detects the elevator service condition on every elevator of elevator group;
Be connected the transmission radio-frequency module that the line data of going forward side by side sends by the RS485 communication interface with each control panel;
One passes through the RS232 communication interface is connected with the transmission radio-frequency module, outwards receives and send the wireless communication module of data.
3. elevator wireless remote control monitor unit as claimed in claim 1, its spy is characterised in that: the sub-device of described elevator group internal data transfer comprises:
Be arranged on the control panel that detects the elevator service condition on every elevator of elevator group;
Be connected the transmission radio-frequency module that the line data of going forward side by side sends by the RS485 communication interface with each control panel;
One sends radio-frequency module with each carries out the central radio-frequency module of data transmission by less radio-frequency, and it is connected by the RS485 communication interface with a control panel;
One passes through the RS232 communication interface is connected with the central radio-frequency module, outwards receives and send the wireless communication module of data.
4. elevator wireless remote control monitor unit as claimed in claim 1, its spy is characterised in that: the sub-device of described elevator group internal data transfer comprises:
Be arranged on the control panel that detects the elevator service condition on every elevator of elevator group;
Be connected the transmission radio-frequency module that the line data of going forward side by side sends by the RS485 communication interface with each control panel;
Each sends the relaying radio-frequency module of radio-frequency module data by the less radio-frequency relaying, and it is connected by the RS485 communication interface with a control panel;
One sends radio-frequency module and trunk module with each carries out the central radio-frequency module of data transmission by less radio-frequency, and it is connected by the RS485 communication interface with a control panel;
One passes through the RS232 communication interface is connected with the central radio-frequency module, outwards receives and send the wireless communication module of data.
5. elevator wireless remote control monitor unit as claimed in claim 4, its spy is characterised in that: described relaying radio-frequency module is at least one.
6. as claim 2,3 or 4 described elevator wireless remote control monitor units, its spy is characterised in that: described wireless communication module comprises GPRS module and 3G communication module.
7. elevator wireless remote control monitor unit as claimed in claim 1, its spy is characterised in that: the sub-device of described elevator long-distance monitorng comprises:
Data sink/transmitter module;
The elevator long-distance monitorng module that links to each other with data sink/transmitter module;
The remote monitor and control data bank that links to each other with the elevator long-distance monitorng module;
The data processing module that links to each other with the remote monitor and control data, data statistic analysis module and device are provided with module.
8. elevator wireless remote control monitor unit as claimed in claim 1, its spy is characterised in that: described wireless network comprises GPRS network and 3G network.
9. elevator wireless remote control monitor unit as claimed in claim 1, its spy is characterised in that: the database server that wireless carriers is set between sub-device of elevator group internal data transfer and the sub-device of elevator long-distance monitorng, the sub-device of elevator group internal data transfer carries out data communication by the data server of wireless network and wireless carriers, carries out data communication by the INTERNET network between the sub-device of the data server of wireless carriers and elevator long-distance monitorng.
10. elevator wireless remote control monitor unit as claimed in claim 1, its spy is characterised in that: be provided with the handheld device of using, possess radio communication function for on-the-spot elevator maintenance personnel, data sink/the transmitter module of itself and the sub-device of elevator long-distance monitorng carries out data communication, receives the instruction from the sub-device of elevator long-distance monitorng.
11. elevator wireless remote control monitor unit as claimed in claim 10, its spy is characterised in that: described handheld device comprises mobile phone and PDA.
12. elevator wireless remote control monitor unit as claimed in claim 1, its spy is characterised in that: be provided with and data processing module bonded assembly company database, so that the information in the remote monitor and control data bank is written into and backs up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200714859U CN201071234Y (en) | 2007-06-22 | 2007-06-22 | Wireless remotely monitoring apparatus of elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200714859U CN201071234Y (en) | 2007-06-22 | 2007-06-22 | Wireless remotely monitoring apparatus of elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201071234Y true CN201071234Y (en) | 2008-06-11 |
Family
ID=39549795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200714859U Expired - Lifetime CN201071234Y (en) | 2007-06-22 | 2007-06-22 | Wireless remotely monitoring apparatus of elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201071234Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104210928A (en) * | 2014-08-05 | 2014-12-17 | 佛山市联科发信息科技有限公司 | Escalator remote real-time monitoring and managing system based on cloud service platform |
| CN105712143A (en) * | 2016-03-24 | 2016-06-29 | 东芝电梯（中国）有限公司 | Remote elevator monitoring spot check and maintenance method |
| US10472207B2 (en) | 2017-03-31 | 2019-11-12 | Otis Elevator Company | Passenger-initiated dynamic elevator service request |
-
2007
- 2007-06-22 CN CNU2007200714859U patent/CN201071234Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104210928A (en) * | 2014-08-05 | 2014-12-17 | 佛山市联科发信息科技有限公司 | Escalator remote real-time monitoring and managing system based on cloud service platform |
| CN105712143A (en) * | 2016-03-24 | 2016-06-29 | 东芝电梯（中国）有限公司 | Remote elevator monitoring spot check and maintenance method |
| CN105712143B (en) * | 2016-03-24 | 2018-05-29 | 东芝电梯（中国）有限公司 | A kind of elevator long-distance monitorng point inspection and maintenance method |
| US10472207B2 (en) | 2017-03-31 | 2019-11-12 | Otis Elevator Company | Passenger-initiated dynamic elevator service request |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101200255A (en) | Elevator wireless remote control system | |
| CN101374357B (en) | System and method for remote monitoring elevator base on wireless network | |
| CN1887674A (en) | Lift remote monitoring and warning system based on radio network | |
| CN102913278B (en) | Modularization-based universal intelligent coal mine underground belt transport monitoring and controlling system | |
| CN202837985U (en) | GPRS-communication based remote online monitoring system for sewage treatment equipment | |
| CN211239871U (en) | Elevator data acquisition and transmission gateway based on edge calculation | |
| CN102790988A (en) | Track traffic maintenance management information system and method | |
| CN103036625A (en) | Design method of detecting system for telecontrol remote terminal unit (RTU) and information channel | |
| CN102136868A (en) | Baseband unit (BBU)-radio remote unit (RRU) failure judgment method for telecom base station | |
| CN108200664A (en) | A kind of radio remote is apart from the parallel bridge monitoring data gathering system of multifrequency and method | |
| CN201071234Y (en) | Wireless remotely monitoring apparatus of elevator | |
| CN202481871U (en) | Elevator monitoring device | |
| CN201336685Y (en) | Multipurpose remote communication device for important fire supervision units | |
| CN101249913A (en) | Elevator monitoring apparatus employing ZigBee wireless network technique | |
| CN110798263A (en) | Intelligent power distribution network communication multidimensional networking structure | |
| CN107454149B (en) | Pollution sources online monitoring system based on Docker+ micro services technology | |
| CN109058971A (en) | A kind of boiler operatiopn monitoring system based on NB-IoT | |
| CN102491209A (en) | Safety monitoring system of crawler crane and crane comprising safety monitoring system | |
| CN206042057U (en) | Management system is maintained to industrial equipment based on thing networking | |
| CN206115680U (en) | Use electric information collection device | |
| CN201812186U (en) | Distributed server module for monitoring car loading | |
| CN201859345U (en) | Integrated environment monitoring device for machine room | |
| CN202059472U (en) | Intelligent mobile phone street lamp monitoring system | |
| CN108529358A (en) | A kind of i-SAFE elevator remote monitoring systems | |
| CN113949616A (en) | Equipment fault monitoring system based on wireless sensor network |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: YUNGTAY ELEVATOR EQUIPMENT (CHINA) CO., LTD. Free format text: FORMER NAME: YONGDA ELEVATOR EQUIPMENT CO., LTD., SHANGHAI |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 201615 Shanghai, Songjiang District, No. nine new road, No. 99 Patentee after: Yungtay elevator equipment Co., Ltd. (China) Address before: 201615 Shanghai, Songjiang District, No. nine new road, No. 99 Patentee before: Yongda Elevator Equipment Co., Ltd., Shanghai |
|
| CX01 | Expiry of patent term |
Granted publication date: 20080611 |
|
| CX01 | Expiry of patent term |