CN107337133A - Switch board and Electric hoist system - Google Patents
Switch board and Electric hoist system Download PDFInfo
- Publication number
- CN107337133A CN107337133A CN201710699416.0A CN201710699416A CN107337133A CN 107337133 A CN107337133 A CN 107337133A CN 201710699416 A CN201710699416 A CN 201710699416A CN 107337133 A CN107337133 A CN 107337133A
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- Prior art keywords
- microcontroller
- switch board
- interface
- electric block
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- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 240000009087 Crescentia cujete Species 0.000 description 2
- 235000005983 Crescentia cujete Nutrition 0.000 description 2
- 235000009797 Lagenaria vulgaris Nutrition 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/28—Other constructional details
- B66D1/40—Control devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D3/00—Portable or mobile lifting or hauling appliances
- B66D3/18—Power-operated hoists
Abstract
The invention provides a kind of switch board and Electric hoist system, is related to electric block technical field, and the switch board includes microcontroller；The power supply state and running status of microprocessor control electric block；Microcontroller is additionally provided with data-interface；Microcontroller is connected by data-interface with other switch boards, and receives and dispatches control command information and status information by data-interface.Switch board provided in an embodiment of the present invention and Electric hoist system, switch board includes the microcontroller for being provided with data-interface, multiple switch boards can be connected by the data-interface, and carry out receiving and dispatching control command information and status information, it can realize that multiple switch board interconnections stack, be with good expansibility.
Description
Technical field
The present invention relates to electric block technical field, more particularly, to a kind of switch board and Electric hoist system.
Background technology
Electric block is mainly controlled by switch board at present, after by the interface of electric block Access Control cabinet, user
The lifting of the button control electric block on panel can be passed through.The control capability of single switch board can be fixed according to being actually needed
System, and because size limitation is typically not greater than 8 tunnels.A PLC control can be added when multiple electric block joint controls are needed
Device processed realizes programming Control.But be mutually not attached between each switch board of above-mentioned joint control mode, work independently, can not do
To scale domination, therefore autgmentability is poor.
For above-mentioned electric block in the prior art switch board autgmentability difference the problem of, at present not yet propose effectively solve
Scheme.
The content of the invention
In view of this, it is an object of the invention to provide a kind of switch board and Electric hoist system, it is possible to achieve multiple controls
The interconnection of cabinet processed stacks.
In a first aspect, the embodiments of the invention provide a kind of switch board, applied to electric block, including microcontroller；It is micro-
Controller controls the power supply state and running status of electric block；Microcontroller is additionally provided with data-interface；Microcontroller passes through
Data-interface is connected with other switch boards, and receives and dispatches control command information and status information by data-interface.
With reference in a first aspect, the embodiments of the invention provide the possible embodiment of the first of first aspect, wherein, it is micro-
Controller is additionally provided with network interface, and microcontroller is connected by network interface with control device；Microcontroller is connect by network
Mouth receives control command information and feedback status information.
With reference in a first aspect, the embodiments of the invention provide the possible embodiment of second of first aspect, wherein, number
Include according to interface：CANBUS interfaces, RS485 serial ports or SPI interface.
With reference to first aspect and its first and second kind of possible embodiment, the embodiments of the invention provide first aspect
The third possible embodiment, wherein, microcontroller is additionally provided with DMX512 interfaces, and microcontroller is connected by DMX512 interfaces
Connect light control console.
With reference to first aspect and its first and second kind of possible embodiment, the embodiments of the invention provide first aspect
4th kind of possible embodiment, wherein, microcontroller is additionally provided with serial line interface, during microcontroller is connected by serial line interface
Control the encoder of main frame or electric block.
With reference to first aspect and its first and second kind of possible embodiment, the embodiments of the invention provide first aspect
5th kind of possible embodiment, wherein, microcontroller is ARM chips, MIPS chips, PC CPU, embedded type CPU composition
Embedded circuit board or PLC.
With reference to first aspect and its first and second kind of possible embodiment, the embodiments of the invention provide first aspect
6th kind of possible embodiment, in addition to frequency converter, the frequency converter electrically connect with electric block.
With reference to the 6th kind of possible embodiment of first aspect, the embodiments of the invention provide the 7th of first aspect kind
Possible embodiment, in addition to power module, the power module includes being sequentially connected breaker and contactor, contactor with
Frequency converter electrically connects.
With reference to the 7th kind of possible embodiment of first aspect, the embodiments of the invention provide the 8th of first aspect kind
Possible embodiment, in addition to the controlling switch being arranged on control panel, controlling switch are connected with microcontroller.
Second aspect, the embodiment of the present invention additionally provide a kind of Electric hoist system, including electric block and first aspect
And its switch board that one of each possible embodiment provides；Switch board sends control signal information, Yi Jijie to electric block
Receive the status information of electric block.
The embodiment of the present invention brings following beneficial effect：Switch board and electric block system provided in an embodiment of the present invention
System, switch board include the microcontroller for being provided with data-interface, multiple switch boards can be connected, gone forward side by side by the data-interface
Row transmitting-receiving control command information and status information, it is possible to achieve multiple switch board interconnections stack, and are with good expansibility.
Other feature and advantage of the disclosure will illustrate in the following description, or, Partial Feature and advantage can be with
Deduce from specification or unambiguously determine, or the above-mentioned technology by implementing the disclosure can be learnt.
To enable the above-mentioned purpose of the disclosure, feature and advantage to become apparent, preferred embodiment cited below particularly, and coordinate
Appended accompanying drawing, is described in detail below.
Brief description of the drawings
, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art
The required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of Electric hoist system provided by the invention；
Fig. 2 is a kind of switch board structural representation provided in an embodiment of the present invention；
Fig. 3 is the control panel schematic diagram of switch board provided in an embodiment of the present invention；
Fig. 4 is the interface panel schematic diagram of switch board provided in an embodiment of the present invention；
Fig. 5 is a kind of structured flowchart of Electric hoist system provided in an embodiment of the present invention.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with accompanying drawing to the present invention
Technical scheme be clearly and completely described, it is clear that described embodiment is part of the embodiment of the present invention, rather than
Whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, belongs to the scope of protection of the invention.
The structural representation of Electric hoist system shown in Figure 1, it illustrated therein is and electronic calabash is controlled by switch board
Reed, the switch board include PLC, motor inverter and forward-reverse switch.The access power supply of switch board is intersecting for 380V tri-
Stream electricity, according to whether controlling electric block velocity of rotation to decide whether to add frequency conversion between electric block and switch board
Device.The effect of frequency converter is to change ac frequency to change the rotating speed of controlled motor.User is by the way that electric block is linked into
, can be by the lifting of the button control electric block on panel after interface on switch board, can be with if running into operational issue
The power supply that red emergency stop switch on panel disconnects electric hoist is allowed to brake.The control capability of single switch board is according to being actually needed
Customization, it is typically due to size limitation (frequency converter is larger) and is no more than 8 tunnels.When needing to control multiple electric blocks, due to each
Mutually be not attached between switch board, work independently, scale domination can not be accomplished, autgmentability is poor, based on this, the embodiment of the present invention
A kind of switch board and Electric hoist system provided, it is possible to achieve the interconnection of multiple switch boards stacks.
For ease of understanding the present embodiment, a kind of switch board disclosed in the embodiment of the present invention is carried out first detailed
Introduce.
Embodiment 1
The embodiment of the present invention 1 provides a kind of switch board, and the switch board is applied to electric block.The switch board includes micro-control
Device processed, the power supply state and running status of the microprocessor control electric block.Wherein, microcontroller is provided with data-interface.
Microcontroller is connected by the data-interface with other switch boards, and receives and dispatches control command information by data-interface
And status information.It is appreciated that microcontroller is similarly provided with other switch boards, the microcontroller of multiple switch boards
Device is connected with each other.Specifically, multiple switch boards can be by being serially connected by user with the data wire that data-interface matches
Together.Each switch board on this link can orient its physical location in a link, First in link
Equipment can turn into main control computer (Master), and remaining other equipment then turns into slave (Slave).Switch board can pass through data
Interface is controlled order and the interaction of status information, such as sends control command by main control computer and receive other slaves feedback
Information.
Above-mentioned data-interface includes：CANBUS interfaces, RS485 serial ports or SPI interface (Serial Peripheral
Interface, Serial Peripheral Interface (SPI)).When multiple switch boards are stacked, it can be led to by CANBUS data/address bus
News, CAN are included in special data wire.Herein it should be noted that other kinds of data-interface can also realize data
Communication, such as the mode such as RS485 serial ports and SPI.Above-mentioned microcontroller can be ARM chips, MIPS chips, PC CPU, insertion
The embedded circuit board or PLC that formula CPU is formed.
In actual use, the quantity for the electric block that can be controlled as needed determines the number for the switch board that needs connect
Amount, when increasing electric block, can also correspondingly add the quantity of switch board, flexibly and easily.Each switch board can control
Electric block quantity be 1-8；Switch board on the circuit of every series connection is up to 12.
Switch board provided in an embodiment of the present invention, including the microcontroller of data-interface is provided with, pass through the data-interface
Multiple switch boards can be connected, and carry out receiving and dispatching control command information and status information, it is possible to achieve multiple switch board interconnections
Stack, be with good expansibility.
Be only capable of in view of existing switch board user by control button on the control panel, switch board it is more or
Need control electric block carry out load linkage when, operation inconvenience and very flexible；And needed when changing and hanging load
Very important person is controlled lifting, regular maintenance inconvenience on switch board side；The microcontroller of above-mentioned switch board is additionally provided with network and connect
Mouthful, microcontroller is connected by above-mentioned network interface with control device；Microcontroller can receive control life by network interface
Make information and feedback status information.
Wherein, above-mentioned control device can be host computer or console, realize console and upper computer software to control
The remote operation of cabinet.Host computer sends control command to switch board, and switch board then performs order and feedback real time information to upper
Machine.The equipment that host computer refers to be mounted with the special control software suitable for switch board microcontroller, can be computer or other
Intelligent control platform.
Host computer is linked together by Ethernet and microcontroller and realizes data communication, i.e., is led to main control computer
News.Host computer sends microcontroller of the control command to main control computer, and microcontroller then performs order and feedback real time information to upper
Position machine.Interconnection with other switch boards is realized by the data-interface of microcontroller, when user needs multiple switch boards
Expansion can be realized using the data-interface.
It can be applied to plurality of application scenes in view of electric block, multiple interfaces are also provided with above-mentioned microcontroller,
It is specific as follows：
Microcontroller is provided with DMX512 interfaces, connects light control console by DMX512 interfaces, realization passes through light control
Control and management of the platform processed to electric block switch board, realize that the light entirely performed synchronously is controlled with electric block.DMX
It is Digital MultipleX abbreviation, means that multi-path digital transmits.DMX512 control protocols are American Stage light associations
(usITT) industrial standard carried out data transmission in the lamp dimmer of nineteen ninety issue with fixture, full name are
USITTDMX512 (1990), include the content of electrical characteristic, data protocol, data format etc..
Microcontroller is additionally provided with serial line interface, and microcontroller controls main frame or electric block in being connected by serial line interface
Encoder.Above-mentioned serial line interface is including RS-232, RS-422, RS485 etc..Microcontroller is connected with middle control main frame in can realizing
Control and management of the main frame to electric block cabinet are controlled, now electric block cabinet is exactly the end controlled in one for middle control main frame
End equipment.Wherein, middle control main frame refers to third-party control device, and the RS232/485 interfaces provided by connecting switch board can
Data interaction and control are carried out between realization and switch board.
Meanwhile microprocessor can also be arranged on the encoder data in electric block by RS232/485 interfaces
Signal, so as to obtain the location status information of electric block.Further, microprocessor can also can receive electricity by data wire
Spacing status information on cucurbit chain.
Further above-mentioned switch board also includes frequency converter, and the frequency converter electrically connects with electric block.It is each in switch board
Road electric block corresponds to a three phase variable frequency controller, and frequency converter can be that electric hoist is powered and changed according to the instruction of microcontroller
The rotational frequency and direction of motor rotation of power transformation calabash electrical machinery.
Switch board structural representation shown in Figure 2, it illustrated therein is microcontroller and control cabinet panel and LED screen
Connection, and microcontroller include data-interface and network interface.The power input access 380V three-phase electricities of switch board, inside points
Into two-way：Access contactor is inverter supply after being linked into breaker all the way, and the effect of breaker is to provide the user manually
Electric hoist power switch is controlled, the effect of contactor is to realize emergency stop switch function, after user presses emergency stop switch, contactor
The power supply of frequency converter will be cut off, then cut off the power supply of electric block, while ARM master controls can also detect that contactor has disconnected
State；In addition all the way, then power supply is provided for 220V power supplys, the 220V power supplys provide power supply for internal circuit board.Microcontroller is also
It is connected with the encoder of electric block, receives its data-signal.Spacing state on electric hoist chain is also by data wire transmission
To microcontroller.Button on other switch board device panel and LED liquid crystal displays etc. also are responsible for interacting by microcontroller.
This is it should be noted that the control cabinet in Fig. 2 is only to illustrate, and frequency converter therein is not essential, if user is not
If the rotating speed for needing control electric block, it can directly pass through power supply without using frequency converter；And encoder
It is not essential, displacement can be calculated by the rotating speed and time of the motor of electric block.
Wherein, PC control and control cabinet panel control can not be carried out simultaneously, and the priority of host computer is higher than face
Plate controls.Further, host computer can be quantified control, the essence that user will specifically be moved by host computer input electric block
True position (10mm errors), now the data-signal of encoder the comparison reference data of control is moved as host computer.
The control panel schematic diagram of switch board shown in Figure 3, it illustrated therein is LCDs 11, direction controlling is opened
Close 12, passage disconnect switch 13, scram button 14, operation button (GO) 15 and SR (RESET) 16.Wherein, direction is controlled
System switch 12 is used to select moving direction, 1-8 is supported, in Fig. 3 exemplified by 4；Passage disconnect switch 13, it is specific for isolating
The power supply of passage；Scram button 14, for stopping all movements in emergency；Button (GO) 15 is run, for triggering
It is mobile；SR (RESET) 16, for resetting system.
The interface panel schematic diagram of switch board shown in Figure 4, illustrated therein is：Input data interface (DataIn)
21, for linking other switch boards；Output data interface (DataOut) 22, for linking other switch boards, emergency stop switch or hand
Hold formula controller；Encoder input interface 23, carry out reading position information for connecting electric block encoder, 1-8 can be supported
It is individual, illustrated in figure exemplified by 4；Ethernet interfaces 24, for connecting host computer；Mains power inlet 25, for connecing
Enter 380V power supplys；DMX512 interfaces 26, for connecting the DMX512 equipment such as light control console；RS485/232 interfaces 27, for even
Connect control device；Power output 28, for connecting the power access end of electric block, 1-8 can be supported, with 4 in figure
Exemplified by illustrate.
Switch board provided in an embodiment of the present invention, including microcontroller, the microcontroller are provided with data-interface and network
Interface, intelligentized control method and management are carried out to electric block, and stacking and network management between switch board can be realized, had
There is good scalability；The microcontroller is additionally provided with DMX512 interfaces and serial line interface, so as to be set with outside control
Standby connection, it is easy to operate flexibly to control electric block.
Embodiment 2
The embodiment of the present invention 2 provides a kind of Electric hoist system, including the switch board that provides of above-described embodiment and electronic
Cucurbit.The structured flowchart of Electric hoist system shown in Figure 5, including at least one switch board 50 and at least one electronic
Cucurbit 51.
Switch board 50 sends control signal information to electric block 51, and receives the status information of electric block 51.
Electric hoist system provided in an embodiment of the present invention, the switch board provided with above-described embodiment have identical technology
Feature, so can also solve identical technical problem, reach identical technique effect.
In addition, in the description of the embodiment of the present invention, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi
The connection of two element internals.To those skilled in the art, above-mentioned term can be understood in the present invention with concrete condition
Concrete meaning.
If above-mentioned function is realized in the form of SFU software functional unit and is used as independent production marketing or in use, can be with
It is stored in a computer read/write memory medium.Based on such understanding, technical scheme is substantially in other words
The part to be contributed to prior art or the part of the technical scheme can be embodied in the form of software product, the meter
Calculation machine software product is stored in a storage medium, including some instructions are causing a computer equipment (can be
People's computer, server, or network equipment etc.) perform each embodiment of the present invention method all or part of step.And
Foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage (ROM, Read-Only Memory), random access memory
Device (RAM, Random Access Memory), magnetic disc or CD etc. are various can be with the medium of store program codes.
In the description of the invention, it is necessary to explanation, term " " center ", " on ", " under ", "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, merely to
Be easy to the description present invention and simplify description, rather than instruction or imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" the 3rd " is only used for describing purpose, and it is not intended that instruction or hint relative importance.
Finally it should be noted that：Above example, it is only the embodiment of the present invention, to illustrate the skill of the present invention
Art scheme, rather than its limitations, protection scope of the present invention is not limited thereto, although entering with reference to the foregoing embodiments to the present invention
Go detailed description, it should be understood by those skilled in the art that：Any one skilled in the art takes off in the present invention
In the technical scope of dew, it can still modify to the technical scheme described in previous embodiment or can readily occur in change
Change, or equivalent substitution is carried out to which part technical characteristic；And these modifications, change or replacement, do not make relevant art
Scheme essence depart from technical scheme of the embodiment of the present invention spirit and scope, should all cover protection scope of the present invention it
It is interior.Therefore, protection scope of the present invention should be defined by scope of the claims.
Claims (10)
1. a kind of switch board, it is characterised in that applied to electric block, including microcontroller；Described in the microprocessor control
The power supply state and running status of electric block；
The microcontroller is additionally provided with data-interface；The microcontroller is connected by the data-interface and other switch boards
Connect, and control command information and status information are received and dispatched by the data-interface.
2. switch board according to claim 1, it is characterised in that the microcontroller is additionally provided with network interface, described
Microcontroller is connected by the network interface with control device；The microcontroller receives control life by the network interface
Make information and feedback status information.
3. switch board according to claim 1, it is characterised in that the data-interface includes：CANBUS interfaces, RS485
Serial ports or SPI interface.
4. according to the switch board described in claim any one of 1-3, it is characterised in that the microcontroller is additionally provided with DMX512
Interface, the microcontroller connect light control console by the DMX512 interfaces.
5. according to the switch board described in claim any one of 1-3, it is characterised in that the microcontroller is additionally provided with serial interface
Mouthful, the microcontroller controls the encoder of main frame or electric block in being connected by the serial line interface.
6. according to the switch board described in claim any one of 1-3, it is characterised in that the microcontroller is ARM chips, MIPS
The embedded circuit board or PLC that chip, PC CPU, embedded type CPU are formed.
7. according to the switch board described in claim any one of 1-3, it is characterised in that also including frequency converter, the frequency converter with
Electric block electrically connects.
8. switch board according to claim 7, it is characterised in that also including power module, the power module include according to
It is secondary connection breaker and contactor, the contactor electrically connected with the frequency converter.
9. switch board according to claim 8, it is characterised in that also include the controlling switch being arranged on control panel,
The controlling switch is connected with the microcontroller.
10. a kind of Electric hoist system, it is characterised in that including the control described in electric block and claim any one of 1-9
Cabinet；
The switch board sends control signal information to the electric block, and receives the status information of the electric block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710699416.0A CN107337133A (en) | 2017-08-15 | 2017-08-15 | Switch board and Electric hoist system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710699416.0A CN107337133A (en) | 2017-08-15 | 2017-08-15 | Switch board and Electric hoist system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107337133A true CN107337133A (en) | 2017-11-10 |
Family
ID=60217067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710699416.0A Pending CN107337133A (en) | 2017-08-15 | 2017-08-15 | Switch board and Electric hoist system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107337133A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109160436A (en) * | 2018-10-12 | 2019-01-08 | 上海汇焰智能科技有限公司 | Intellectualized electric cucurbit and Electric hoist system |
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|---|---|---|---|---|
| JP2001240371A (en) * | 2000-03-01 | 2001-09-04 | Hitachi Ltd | Electric hoist |
| US20050231148A1 (en) * | 2004-04-02 | 2005-10-20 | Pook Diemont & Ohl, Inc. | Portable studio hoist |
| CN201882791U (en) * | 2010-11-15 | 2011-06-29 | 天津起重设备有限公司 | Crane control circuit with multiple synchronous crown blocks |
| CN201955646U (en) * | 2010-12-28 | 2011-08-31 | 北京星光影视设备科技股份有限公司 | Stage boom control system |
| CN203950150U (en) * | 2014-04-29 | 2014-11-19 | 陕西江丰建筑工程有限公司 | One population hangs synchronous control system |
| CN104310222A (en) * | 2014-10-27 | 2015-01-28 | 天津起重设备有限公司 | Gantry crane with function of four-point balance control |
| CN105094100A (en) * | 2015-09-14 | 2015-11-25 | 浙江大丰实业股份有限公司 | Multi-module cooperation stage control system |
| CN207129877U (en) * | 2017-08-15 | 2018-03-23 | 江苏领焰智能科技股份有限公司 | Switch board and Electric hoist system |
-
2017
- 2017-08-15 CN CN201710699416.0A patent/CN107337133A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001240371A (en) * | 2000-03-01 | 2001-09-04 | Hitachi Ltd | Electric hoist |
| US20050231148A1 (en) * | 2004-04-02 | 2005-10-20 | Pook Diemont & Ohl, Inc. | Portable studio hoist |
| CN201882791U (en) * | 2010-11-15 | 2011-06-29 | 天津起重设备有限公司 | Crane control circuit with multiple synchronous crown blocks |
| CN201955646U (en) * | 2010-12-28 | 2011-08-31 | 北京星光影视设备科技股份有限公司 | Stage boom control system |
| CN203950150U (en) * | 2014-04-29 | 2014-11-19 | 陕西江丰建筑工程有限公司 | One population hangs synchronous control system |
| CN104310222A (en) * | 2014-10-27 | 2015-01-28 | 天津起重设备有限公司 | Gantry crane with function of four-point balance control |
| CN105094100A (en) * | 2015-09-14 | 2015-11-25 | 浙江大丰实业股份有限公司 | Multi-module cooperation stage control system |
| CN207129877U (en) * | 2017-08-15 | 2018-03-23 | 江苏领焰智能科技股份有限公司 | Switch board and Electric hoist system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109160436A (en) * | 2018-10-12 | 2019-01-08 | 上海汇焰智能科技有限公司 | Intellectualized electric cucurbit and Electric hoist system |
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