CN110723651A - Low-voltage control unit of tower crane and tower crane system - Google Patents
Low-voltage control unit of tower crane and tower crane system Download PDFInfo
- Publication number
- CN110723651A CN110723651A CN201911048904.0A CN201911048904A CN110723651A CN 110723651 A CN110723651 A CN 110723651A CN 201911048904 A CN201911048904 A CN 201911048904A CN 110723651 A CN110723651 A CN 110723651A
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- tower crane
- low
- module
- control unit
- integrated circuit
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/18—Control systems or devices
- B66C13/22—Control systems or devices for electric drives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/84—Slewing gear
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Jib Cranes (AREA)
Abstract
The invention provides a low-voltage control unit of a tower crane and a tower crane system, which relate to the technical field of tower cranes and comprise the following components: the direct current module is used for converting alternating current input to the tower crane into low-voltage direct current; the eddy current module is used for providing low-voltage eddy current for a rotary motor of the tower crane; the control module is respectively connected with the direct current module and the eddy current module and is used for controlling the output of the low-voltage direct current and the low-voltage eddy current according to the instruction of a central control system of the tower crane; the integrated circuit board is arranged on the tower crane, and the direct current module, the eddy current module and the control module are all packaged on the integrated circuit board. The technical problem that the maintenance process of the tower crane is difficult due to the fact that the line structure of the tower crane is complex in the prior art is solved.
Description
Technical Field
The invention relates to the technical field of tower cranes, in particular to a low-voltage control unit of a tower crane and a tower crane system.
Background
The tower crane is the most common hoisting equipment in construction sites, and is used for hoisting construction raw materials such as reinforcing steel bars, wood ridges, concrete, steel pipes and the like for construction by lengthening the tower crane section by section. The tower crane (tower crane) tip has the function of bearing the upper load transmitted by the boom pull rope and the balance arm pull rope, and the upper load is directly transmitted to the tower body structure through the rotary tower, the rotary table, the bearing seat and other structural components.
However, the number of components required by the tower crane is large, so that the line structure of the tower crane system is complex, the number of fault points is large, and the maintenance process of the tower crane is difficult.
Disclosure of Invention
The invention aims to provide a low-voltage control unit of a tower crane and a tower crane system, and aims to solve the technical problem that the maintenance process of the tower crane is difficult due to the complex line structure of the tower crane in the prior art.
In a first aspect, an embodiment of the present invention provides a low-voltage control unit for a tower crane, including:
the direct current module is used for converting alternating current input to the tower crane into low-voltage direct current;
the eddy current module is used for providing low-voltage eddy current for a rotary motor of the tower crane;
the control module is respectively connected with the direct current module and the eddy current module and is used for controlling the output of the low-voltage direct current and the low-voltage eddy current according to the instruction of a central control system of the tower crane;
the integrated circuit board is arranged on the tower crane, and the direct current module, the eddy current module and the control module are all packaged on the integrated circuit board.
With reference to the first aspect, an embodiment of the present invention provides a first possible implementation manner of the first aspect, where the method further includes:
and the relay module comprises a plurality of relays integrated together through the integrated circuit board, and the relays are respectively used for controlling strong currents of different parts of the tower crane.
With reference to the first aspect, an embodiment of the present invention provides a second possible implementation manner of the first aspect, wherein the plurality of relays are connected to external components of the integrated circuit board through connectors.
With reference to the first aspect, an embodiment of the present invention provides a third possible implementation manner of the first aspect, where the third possible implementation manner further includes:
the phase sequence detection module is used for detecting a power supply phase sequence of alternating current input to the tower crane;
and the phase sequence detection module is packaged on the integrated circuit board.
With reference to the first aspect, an embodiment of the present invention provides a fourth possible implementation manner of the first aspect, where the method further includes:
the communication module is used for communicating with the central control system, acquiring an instruction of the central control system and transmitting the instruction to the control module;
the communication module is packaged on the integrated circuit board.
With reference to the first aspect, an embodiment of the present invention provides a fifth possible implementation manner of the first aspect, where the communication module communicates with the central control system through a Controller Area Network (CAN) bus.
With reference to the first aspect, an embodiment of the present invention provides a sixth possible implementation manner of the first aspect, wherein the integrated circuit board is connected to an external component of the integrated circuit board through a connector harness.
In a second aspect, an embodiment of the present invention further provides a tower crane system, including: a central control system and a low-voltage control unit of the tower crane according to the first aspect;
and the low-voltage control unit of the tower crane is connected with the central control system through a CAN bus.
With reference to the second aspect, an embodiment of the present invention provides a first possible implementation manner of the second aspect, where the central control system is configured to control a low-voltage power supply portion of the tower crane through a low-voltage control unit of the tower crane.
With reference to the second aspect, an embodiment of the present invention provides a second possible implementation manner of the second aspect, where the central control system is configured to control an overall operation of the tower crane.
The technical scheme provided by the embodiment of the invention has the following beneficial effects: the embodiment of the invention provides a low-voltage control unit of a tower crane and a tower crane system, comprising: the system comprises a direct current module, an eddy current module, a control module and an integrated circuit board, wherein the direct current module is used for converting alternating current input to the tower crane into low-voltage direct current, and the eddy current module is used for providing low-voltage eddy current for a rotary motor of the tower crane; the control module is respectively connected with the direct current module and the eddy current module, the control module is used for controlling the output of low-voltage direct current and low-voltage eddy current according to the instruction of a central control system of the tower crane, the integrated circuit board is arranged on the tower crane, the direct current module, the eddy current module and the control module are all packaged on the integrated circuit board, and the integrated circuit board is completely packaged on the integrated circuit board by integrating a plurality of functional modules for controlling the low voltage of the tower crane, so that the circuit for realizing the low-voltage control function of the tower crane is simplified, the complexity of the low-voltage control circuit of the tower crane is greatly reduced, the maintenance of the tower crane is more visual and convenient, and the technical problem that the maintenance process of the tower crane is difficult due to the complex.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic diagram of a conventional tower crane control system;
fig. 2 is a schematic structural diagram of a low-voltage control unit of a tower crane provided in the embodiment of the present application;
fig. 3 is another schematic structural diagram of a low-voltage control unit of a tower crane provided in the embodiment of the present application;
fig. 4 is a structural schematic diagram of a tower crane system provided in the embodiment of the present application.
Icon: 1-a low-voltage control unit of the tower crane; 11-a direct current module; 12-a vortex module; 13-a control module; 14-an integrated circuit board; 2-a tower crane system; 21-central control system.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Features and exemplary embodiments of various aspects of the present invention will be described in detail below. In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the present invention by illustrating examples of the present invention. The present invention is in no way limited to any specific configuration and algorithm set forth below, but rather covers any modification, replacement or improvement of elements, components or algorithms without departing from the spirit of the invention. In the drawings and the following description, well-known structures and techniques are not shown in order to avoid unnecessarily obscuring the present invention.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
In the description of the present application, the meaning of "at least one" means one or more than one unless otherwise stated. For example, at least one USB device refers to one USB device or more than one USB device.
Furthermore, the terms "comprising" and "having" and any variations thereof as referred to in the description of the invention are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements but may alternatively include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
At present, various discrete functional elements are dispersedly installed in a tower crane control cabinet and a power cabinet in a traditional tower crane control system, and the elements are independently connected through electric wires and combined to realize various functions of the tower crane, as shown in fig. 1, the functions are realized by adopting the combination of the independent elements, so that the traditional tower crane control system has the advantages of numerous elements, complex system, undefined functional units, multiple fault points and difficult maintenance. For example, the phase sequence detection part, the switching power supply control part, the controller, the relay, the peripheral communication element, the peripheral signal acquisition element, the system eddy current module and the like are installed in a decentralized mode.
Therefore, in the existing tower crane, a plurality of discrete elements are combined to realize one function, and the system is complex; moreover, the functional units are unclear, have many failure points, and are difficult to install and maintain.
Based on the above, the low-voltage control unit of the tower crane and the tower crane system provided by the embodiment of the invention can solve the technical problem that the maintenance process of the tower crane is difficult due to the complex line structure of the tower crane in the prior art.
In order to facilitate understanding of the embodiment, first, the low-voltage control unit of the tower crane and the tower crane system disclosed in the embodiment of the invention are described in detail.
The first embodiment is as follows:
as shown in fig. 2, a low-voltage control unit 1 of a tower crane according to an embodiment of the present invention includes: a dc module 11, an eddy current module 12, a control module 13, and an integrated circuit board 14.
The direct current module 11 is used for converting alternating current input to the tower crane into low-voltage direct current. The direct current module can also be a power input and output unit, specifically, can receive an input 220V alternating current and output a 24V direct current (DC for short) required by the tower crane.
It should be noted that the eddy current module 12 is used for providing low-voltage eddy current for the rotating motor of the tower crane. Specifically, the eddy current module can provide controllable braking eddy current for the rotary motor according to requirements.
In practical application, the control module 13 is connected to the dc module and the eddy current module, respectively, and is configured to control output of the low-voltage dc and the low-voltage eddy current according to an instruction of a central control system of the tower crane.
In the embodiment of the application, the integrated circuit board 14 is arranged on the tower crane, and the direct current module, the eddy current module and the control module are all packaged on the integrated circuit board.
Through the integrated circuit board, the volume of the low-voltage control unit of the tower crane can be minimized, and the whole installation space of the system is saved. Moreover, the production line of the integrated circuit board greatly improves the production efficiency of the module, the system is installed in a modularized way, the assembly strength and the complexity of the control system are greatly reduced, and the production efficiency is improved.
In practical applications, the control module 13 may be in the form of a processor. The processor may be an integrated circuit chip having signal processing capabilities. In implementation, the above functions may be performed by integrated logic circuits of hardware in a processor or instructions in the form of software. The Processor may be a general-purpose Processor, and includes a Central Processing Unit (CPU), a Network Processor (NP), and the like; the device can also be a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field-Programmable Gate Array (FPGA), or other Programmable logic devices, discrete Gate or transistor logic devices, discrete hardware components. The various functional and logical block diagrams disclosed in the embodiments of the present application may be implemented or performed. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The functions disclosed in connection with the embodiments of the present application may be directly implemented by a hardware decoding processor, or may be implemented by a combination of hardware and software modules in the decoding processor. The software module may be located in ram, flash memory, rom, prom, or eprom, registers, etc. storage media as is well known in the art.
In some embodiments, the low voltage control unit of the tower crane further comprises: a relay module. The relay module comprises a plurality of relays integrated together through an integrated circuit board, and the relays are respectively used for controlling strong currents of different parts of the tower crane. The relay module can integrate the multi-path relays together in an integrated circuit mode, and the simplification of a circuit is realized.
In some embodiments, the plurality of relays are connected to external components of the integrated circuit board via connectors. The relay module is connected with the outside through the connector, and effective control of all functions of the tower crane is achieved.
In some embodiments, the low voltage control unit of the tower crane further comprises: the phase sequence detection module is used for detecting a power supply phase sequence of alternating current input to the tower crane; the phase sequence detection module is packaged on the integrated circuit board. The phase sequence detection module detects the power supply voltage provided for the tower crane, namely, the power supply phase sequence and the like, and provides monitoring protection for the system so as to ensure the safety of the tower crane.
In some embodiments, the low voltage control unit of the tower crane further comprises: the communication module is used for communicating with the central control system, acquiring the instruction of the central control system and transmitting the instruction to the control module; the communication module is packaged on the integrated circuit board.
The communication module can be used as a peripheral signal acquisition and communication module for acquiring tower crane input signals, and the data communication between the module and the central display control system is realized through the communication unit. The communication module can realize the quick and effective transmission of data between the low-voltage control unit of the tower crane and the central control system.
In some embodiments, the communication module communicates with the central control system via a CAN bus. The modularization of function, with functional module integration together, be connected with the host computer through CAN communication, more make things convenient for the design, arrange and install of system.
In some embodiments, the integrated circuit board is connected to external components of the integrated circuit board by connector harnesses. It can also be understood that the integrated circuit board is connected with the modules and the execution elements outside in a connector wiring harness mode. The low-voltage control unit of tower machine adopts integrated circuit board encapsulation design, carries out the communication through connector pencil and external, realizes the independent operation of each module unit function, each other does not influence.
The low-voltage control unit of tower machine that this application embodiment provided can regard as a tower machine low pressure integrated control unit, as shown in fig. 3, with traditional a plurality of discrete component function module through system integration's mode, integrate into a low pressure integrated control unit, this unit mainly contains functional modules such as phase sequence detection module, power input output module, vortex output module, relay module and peripheral signal acquisition and communication module. Namely, the low-voltage control unit of the tower crane is integrally designed according to five-power-module, and mainly comprises: the device comprises a power input/output module, a phase sequence detection module, an eddy current output module, a relay integration module and a peripheral signal acquisition and communication module.
By carrying out system integration on functional components such as the input of a low-voltage power supply, a phase sequence, an eddy current module and a low-voltage DI signal of the tower crane and a control relay, the integrated low-voltage control unit of the tower crane can meet the requirements of the supply of the low-voltage power supply of a tower crane control system, the acquisition input of digital quantity DI, the judgment of the phase sequence and the control and output of the eddy current power supply, and meanwhile, the control of an external strong current part can be realized through the relay. Therefore, the problem of complication of an electrical system of the tower crane can be solved, the structure of a control system is simplified, the function modular design is realized, the system design efficiency and the control system operation reliability and efficiency are improved, and the visual convenience of the system maintenance is improved.
Example two:
as shown in fig. 4, the tower crane system 2 according to the embodiment of the present invention includes: the central control system 21 and the low-voltage control unit of the tower crane provided in the first embodiment; the low-voltage control unit 1 of the tower crane is connected with the central control system 21 through a CAN bus.
Specifically, as shown in fig. 4, the control module 13 in the low-voltage control unit 1 of the tower crane obtains the instruction transmitted by the central control system 21 through the communication module in the low-voltage control unit 1 of the tower crane, so as to control the output of the low-voltage direct current and the low-voltage eddy current according to the instruction.
On the basis of a CAN bus, functional components such as a tower crane low-voltage power supply, a phase sequence, an eddy current module, a low-voltage input (DI) signal input and control relay are integrated, so that the integrated tower crane low-voltage control unit CAN meet the requirements of supply of the tower crane control system low-voltage power supply, acquisition of digital quantity DI, judgment of the phase sequence and control and output of the eddy current power supply, and meanwhile, the control of an external strong current part CAN be realized through the relay, so that the low-voltage control unit of the tower crane CAN effectively control the low-voltage function of the tower crane.
In some embodiments, the central control system may be used to control the low voltage supply part of the tower crane by means of a low voltage control unit of the tower crane. Through the low-voltage control unit of the tower crane, the central control system can more effectively control the low-voltage function of the tower crane, and a circuit required by controlling the low-voltage function is more concise.
In some embodiments, the central control system may be used to control the overall operation of the tower crane. The central control system can be used as a main control unit of the tower crane, and can comprehensively and effectively control the tower crane through the control units in other aspects of the tower crane.
The tower crane system provided by the embodiment of the invention has the same technical characteristics as the low-voltage control unit of the tower crane provided by the embodiment, so that the same technical problems can be solved, and the same technical effects can be achieved.
In addition, in the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present application, and are used for illustrating the technical solutions of the present application, but not limiting the same, and the scope of the present application is not limited thereto, and although the present application is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope disclosed in the present application; such modifications, changes or substitutions do not depart from the scope of the embodiments of the present application. Are intended to be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (10)
1. A low-voltage control unit of a tower crane, comprising:
the direct current module is used for converting alternating current input to the tower crane into low-voltage direct current;
the eddy current module is used for providing low-voltage eddy current for a rotary motor of the tower crane;
the control module is respectively connected with the direct current module and the eddy current module and is used for controlling the output of the low-voltage direct current and the low-voltage eddy current according to the instruction of a central control system of the tower crane;
the integrated circuit board is arranged on the tower crane, and the direct current module, the eddy current module and the control module are all packaged on the integrated circuit board.
2. The low voltage control unit of the tower crane according to claim 1, further comprising:
and the relay module comprises a plurality of relays integrated together through the integrated circuit board, and the relays are respectively used for controlling strong currents of different parts of the tower crane.
3. The low voltage control unit of the tower crane according to claim 2, wherein the plurality of relays are connected with external components of the integrated circuit board through connectors.
4. The low voltage control unit of the tower crane according to claim 1, further comprising:
the phase sequence detection module is used for detecting a power supply phase sequence of alternating current input to the tower crane;
and the phase sequence detection module is packaged on the integrated circuit board.
5. The low voltage control unit of the tower crane according to claim 1, further comprising:
the communication module is used for communicating with the central control system, acquiring an instruction of the central control system and transmitting the instruction to the control module;
the communication module is packaged on the integrated circuit board.
6. The low voltage control unit of the tower crane according to claim 5, wherein the communication module communicates with the central control system through a CAN bus.
7. The low-voltage control unit of the tower crane according to claim 1, wherein the integrated circuit board is connected with an external component of the integrated circuit board through a connector harness.
8. A tower crane system, comprising: a central control system and a low voltage control unit of a tower crane according to any one of the preceding claims 1-7;
and the low-voltage control unit of the tower crane is connected with the central control system through a CAN bus.
9. The tower crane system as claimed in claim 8, wherein the central control system is used for controlling the low voltage power supply part of the tower crane through the low voltage control unit of the tower crane.
10. The tower crane system as claimed in claim 8, wherein the central control system is used for controlling the overall operation of the tower crane.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911048904.0A CN110723651A (en) | 2019-10-30 | 2019-10-30 | Low-voltage control unit of tower crane and tower crane system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911048904.0A CN110723651A (en) | 2019-10-30 | 2019-10-30 | Low-voltage control unit of tower crane and tower crane system |
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| CN110723651A true CN110723651A (en) | 2020-01-24 |
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| CN201911048904.0A Pending CN110723651A (en) | 2019-10-30 | 2019-10-30 | Low-voltage control unit of tower crane and tower crane system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114384846A (en) * | 2022-01-11 | 2022-04-22 | 长沙普洛电气设备有限公司 | Multifunctional integrated tower crane controller, control system and control method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2540703Y (en) * | 2002-04-23 | 2003-03-19 | 浙江箭环电器机械有限公司 | Electric machine controller for tower machine rotation |
| RU2245838C2 (en) * | 2001-07-09 | 2005-02-10 | Инденбаум Анатолий Иосифович | Method of and device to control tower crane in emergency |
| CN101643181A (en) * | 2009-08-19 | 2010-02-10 | 宋贵生 | Crane rotation controller |
| CN101654208A (en) * | 2009-08-31 | 2010-02-24 | 长沙中联重工科技发展股份有限公司 | Tower crane tandem reactor speed regulating system |
| CN204474160U (en) * | 2015-02-05 | 2015-07-15 | 沈阳三洋建筑机械有限公司 | The pivotal eddy current control system of tower machine |
| CN205910276U (en) * | 2016-08-02 | 2017-01-25 | 浙江虎霸建设机械有限公司 | Tower machine electric system automatic diagnosy device |
| CN208015401U (en) * | 2018-02-08 | 2018-10-26 | 广东恒沃动力科技有限公司 | Battery management system circuit |
-
2019
- 2019-10-30 CN CN201911048904.0A patent/CN110723651A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2245838C2 (en) * | 2001-07-09 | 2005-02-10 | Инденбаум Анатолий Иосифович | Method of and device to control tower crane in emergency |
| CN2540703Y (en) * | 2002-04-23 | 2003-03-19 | 浙江箭环电器机械有限公司 | Electric machine controller for tower machine rotation |
| CN101643181A (en) * | 2009-08-19 | 2010-02-10 | 宋贵生 | Crane rotation controller |
| CN101654208A (en) * | 2009-08-31 | 2010-02-24 | 长沙中联重工科技发展股份有限公司 | Tower crane tandem reactor speed regulating system |
| CN204474160U (en) * | 2015-02-05 | 2015-07-15 | 沈阳三洋建筑机械有限公司 | The pivotal eddy current control system of tower machine |
| CN205910276U (en) * | 2016-08-02 | 2017-01-25 | 浙江虎霸建设机械有限公司 | Tower machine electric system automatic diagnosy device |
| CN208015401U (en) * | 2018-02-08 | 2018-10-26 | 广东恒沃动力科技有限公司 | Battery management system circuit |
Non-Patent Citations (1)
| Title |
|---|
| 崔乐芙: "《建筑塔式起重机》", 30 November 2011 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114384846A (en) * | 2022-01-11 | 2022-04-22 | 长沙普洛电气设备有限公司 | Multifunctional integrated tower crane controller, control system and control method |
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Application publication date: 20200124 |