CN212627650U - Integrative cabinet of tower crane frequency conversion - Google Patents

Integrative cabinet of tower crane frequency conversion Download PDF

Info

Publication number
CN212627650U
CN212627650U CN202021674493.4U CN202021674493U CN212627650U CN 212627650 U CN212627650 U CN 212627650U CN 202021674493 U CN202021674493 U CN 202021674493U CN 212627650 U CN212627650 U CN 212627650U
Authority
CN
China
Prior art keywords
tower crane
integrated
cavity
assembly
frequency conversion
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.)
Active
Application number
CN202021674493.4U
Other languages
Chinese (zh)
Inventor
杨文�
盛敏翔
程星
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangxi Jiangte Electric Group Co ltd
Original Assignee
Jiangxi Jiangte Electric Group Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jiangxi Jiangte Electric Group Co ltd filed Critical Jiangxi Jiangte Electric Group Co ltd
Priority to CN202021674493.4U priority Critical patent/CN212627650U/en
Application granted granted Critical
Publication of CN212627650U publication Critical patent/CN212627650U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Patch Boards (AREA)

Abstract

The utility model discloses a tower crane frequency conversion integrated cabinet, wherein the top of a case set is provided with a cover plate, the bottom of the case set is provided with a mounting frame, the front of the case set is provided with a left door component and a right door component, the back of the case set is provided with an air inlet cover plate and an air outlet cover plate, and the inside of the case set is divided into a left cavity and a right cavity; the left cavity is an electrical element control unit, and the right cavity is a variable frequency integrated unit; the utility model integrates the above parts in the inner left and right chambers, and the lifting, turning and amplitude variation control in the right chamber adopts the integrated IGBT module, thereby greatly reducing the overall size, being more flexible in design and installation, and greatly reducing the purchasing cost and the labor cost; further, with the interface of the integrative cabinet of tower crane of originally needing manual wiring and outer union pieces such as linkage platform, change into two peripheral inlet wires and boat to insert, guaranteed security and reliability when using, make the utility model has the advantages of installation wiring is convenient, the dismouting is convenient, small, with low costs, work efficiency is high and factor of safety is high.

Description

Integrative cabinet of tower crane frequency conversion
Technical Field
The utility model relates to an electrical control equipment technical field, more specifically the utility model relates to an integrative cabinet of tower crane frequency conversion that says so.
Background
With the continuous development of the building industry in China, the mechanization level of building construction is continuously improved, the application of tower cranes is increasingly common, and the tower crane (tower crane) is the most widely applied hoisting machine in the building industry. The working mechanism of the tower crane is generally provided with a hoisting mechanism, a luffing mechanism, a slewing mechanism, a jacking mechanism and a traveling mechanism. The working mechanism is the heart of the tower crane for working, and the performance and the quality of the working mechanism directly reflect the performance of the tower crane. Under the condition that the working parameters of the whole machine are the same, the good and bad performance of the product depends on the working performance of three mechanisms (a hoisting mechanism, a luffing mechanism and a slewing mechanism) to a great extent, and the cost of the product is also influenced to a great extent.
Three major mechanism control system of traditional tower machine is to three operating device of tower crane, including the vertical lift, change width of cloth around, the motor drive of left and right sides gyration, adopt three independent converters to control respectively, the motion of every direction uses solitary motor to control, the motor of every mechanism all uses independent frequency conversion device to control, thereby make each independent frequency conversion control device input cost high, occupation space is very big, assembly wiring and after-sales maintenance are inconvenient, and certain hidden danger also exists to the safety.
Therefore, how to provide a tower crane control device with high safety performance and strong applicability is a problem to be solved urgently by technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides an integrative cabinet of tower crane frequency conversion that not only economy but also security performance is high, and the suitability is strong moreover.
In order to achieve the above object, the utility model provides a following technical scheme, an integrative cabinet of tower crane frequency conversion, a serial communication port, include: the air conditioner comprises a machine box group, a cabinet body and a cabinet body, wherein a cover plate is arranged at the top of the machine box group, a mounting frame is arranged at the bottom of the machine box group, a left door assembly and a right door assembly are arranged on the front side of the machine box group, an air inlet cover plate and an air outlet cover plate are arranged on the back of the machine box group, and the interior of the machine box group;
the left cavity is an electrical element control unit, and the right cavity is a variable frequency integrated unit;
an electrical component mounting plate is arranged at the bottom in a left cavity inside the left cavity, and a transformer, an adjustable resistor, a direct-current power switch, a fuse, a time relay, an air switch, a relay circuit board, a phase sequence relay, a rectifier module radiator, a charging contactor, an alternating-current contactor, a surge protector, a charging resistor, a main contactor and a wiring terminal are sequentially arranged on the electrical component mounting plate from top to bottom;
the right cavity is divided into an upper right cavity and a lower right cavity, the upper door panel assembly and the lower door panel assembly are respectively used as cover plates, a right frame inner side plate assembly is arranged at the bottom of the right cavity, and the upper right cavity is sequentially provided with a lifting driving circuit board, a control circuit board, a Hall detection circuit board, a fan mounting plate assembly and a radiator mounting plate assembly from top to bottom; the right lower cavity is sequentially provided with a rotary integrated module, a lifting integrated module, a variable amplitude integrated module, a capacitor plate mounting plate assembly, a rectifying brake module radiator and a variable frequency wiring terminal from top to bottom;
and all components in the right chamber are arranged on the right frame inner side plate component.
Preferably, in the tower crane frequency conversion integrated cabinet, the radiator mounting plate is provided with a radiator, and the radiator is provided with a rotary integrated IGBT module, a lifting integrated IGBT module and a variable amplitude integrated IGBT module.
Preferably, in the tower crane frequency conversion integrated cabinet, the capacitor mounting plate assembly is provided with a capacitor.
Preferably, in the tower crane frequency conversion integrated cabinet, the rectification brake module radiator is provided with a brake IGBT module and a rectification module.
Preferably, in the integrative cabinet of tower crane frequency conversion above-mentioned, left side door subassembly and right side door subassembly are fixed on the quick-witted case group through the pivot respectively, are equipped with air exit and air intake electric fan on the left side door subassembly.
Preferably, in the integrative cabinet of tower crane frequency conversion above-mentioned, binding post includes: main binding post and vice binding post.
Preferably, in the tower crane frequency conversion integrated cabinet, a keyboard assembly is arranged on the control circuit board.
According to the technical scheme, compared with the prior art, the utility model discloses a tower crane frequency conversion integrated cabinet, the utility model integrates the above parts in the internal left and right cavity box, and the lifting, rotation and amplitude variation control in the right cavity all adopt integrated IGBT modules, so that the overall size is greatly reduced, the design and installation are more flexible, and the purchase cost and the labor cost are greatly reduced; further, with the interface of the integrative cabinet of tower crane of originally needing manual wiring and outer union pieces such as linkage platform, change into two peripheral inlet wires and boat to insert, guaranteed security and reliability when using, make the utility model has the advantages of installation wiring is convenient, the dismouting is convenient, small, with low costs, work efficiency is high and factor of safety is high.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic front view of the structure of the present invention.
Fig. 2 is a schematic structural view of the left door assembly of the present invention.
Fig. 3 is a schematic structural view of the right door assembly of the present invention.
Fig. 4 is a schematic diagram of a rear view structure of the present invention.
Fig. 5 is a schematic diagram of the frequency conversion device of the present invention.
Figure 6 the attached drawing is the utility model discloses a frequency conversion cabinet auxiliary relay PCB circuit board intention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Please refer to fig. 1-6, which are a tower crane frequency conversion integrated cabinet disclosed by the present invention.
The utility model relates to an integrative cabinet of tower crane frequency conversion, a serial communication port, include: the air conditioner comprises a machine box group 1, wherein a cover plate 2 is arranged at the top of the machine box group 1, a mounting frame 7 is arranged at the bottom of the machine box group 1, a left door assembly 3 and a right door assembly are arranged on the front side of the machine box group 1, an air inlet cover plate 42 and an air outlet cover plate 41 are arranged on the back side of the machine box group 1, and the interior of the machine box group 1 is divided into a left cavity and;
the left cavity is an electrical element control unit, and the right cavity is a variable frequency integrated unit;
an electrical component mounting plate 6 is mounted at the bottom in a left cavity in the left cavity, and a transformer 11, an adjustable resistor 12, a direct-current power switch 13, a fuse 14, a time relay 15, a rectifier module radiator 16, an air switch 17, a relay circuit board, a phase sequence relay 19, a charging contact 20, an alternating-current contactor 21, a surge protector 23, a charging resistor 25, a main contactor 26 and a wiring terminal 22 are sequentially mounted on the electrical component mounting plate 6 from top to bottom;
the right chamber is divided into an upper right chamber and a lower right chamber, the upper door panel assembly 10 and the lower door panel assembly 9 are respectively used as the cover plate 2, the bottom of the right chamber is provided with a right frame inner side plate assembly 39, and the upper right chamber is sequentially provided with a lifting driving circuit board 28, a control circuit board 29, a Hall detection circuit board 30, a fan mounting plate assembly 31 and a radiator mounting plate assembly 32 from top to bottom; the right lower cavity is sequentially provided with a rotary integrated module 33, a lifting integrated module 34, a variable amplitude integrated module 35, a capacitor plate mounting plate assembly, a rectifying brake module radiator 37 and a variable frequency wiring terminal 38 from top to bottom;
the right chamber interior components are mounted on a right frame inner side panel assembly 39.
In order to further optimize the technical scheme, the radiator is arranged on the radiator mounting plate assembly 32, and a rotary integrated IGBT module, a lifting integrated IGBT module and a variable amplitude integrated IGBT module are arranged on the radiator.
To further optimize the above solution, the capacitor mounting plate assembly 36 is provided with a capacitor.
In order to further optimize the above technical solution, the rectifying brake module radiator 37 is equipped with a brake IGBT module and a rectifying module.
In order to further optimize the above technical solution, the left door assembly 3 and the right door assembly are respectively fixed on the chassis set 1 through a rotating shaft, and the left door assembly 3 is provided with an air outlet 4 and an air inlet fan 5.
In order to further optimize the above solution, the connection terminal 22 comprises: a main terminal 24 and a secondary terminal.
In order to further optimize the technical scheme, the above parts are integrated in the internal left and right cavity boxes, the lifting, rotation and amplitude variation control in the right cavity adopts an integrated IGBT module, the overall size is greatly reduced, the design and installation are more flexible, the interfaces of external connecting pieces such as the tower crane integrated cabinet and the linkage table which need manual wiring originally are changed into two peripheral incoming line aerial plugs 4040, and field installation and debugging personnel only need to directly connect the external connecting pieces with the tower crane integrated cabinet by cables with aviation plugs, do not need redundant wiring, and ensure the safety and reliability; the variable frequency control part for installing the variable frequency element and the electric appliance element mounting plate 6 for installing the electric control device are arranged in a partitioned mode and are respectively arranged in a left cavity and a right cavity, the middle parts of the variable frequency control part are separated by the frame inner side plate assembly 3939, the maintenance difficulty is reduced, the electric overhaul and the integral replacement of the variable frequency control module are convenient, the working efficiency is improved, a closed air channel is formed between the frame inner side plate and the cabinet bottom plate, a high-speed direct current fan is arranged in the fan mounting plate assembly 3131, the air enters from bottom to top, an independent air channel of the variable frequency control part is formed, and the heat dissipation effect of the tower crane variable frequency integrated cabinet is enhanced.
In order to further optimize the technical scheme, the frequency conversion devices adopt integrated IGBT modules, the integration level is high, the overall size is greatly reduced, the design and installation are more flexible, the copper bar layout of the input end and the output end is more reasonable, and the after-sale maintenance is more concise and convenient; beautiful appearance, small structure, convenient disassembly and assembly, safety, reliability, strong applicability, wide application and the like.
In order to further optimize the technical scheme, a design of a common direct current bus is adopted, rectification, filtering and braking units, a starting resistor and a starting contactor of three frequency conversion devices of lifting, rotation and amplitude variation are integrated, the common direct current bus is used as a middle loop to provide a direct current power supply, three inverter units obtain power through the common direct current bus to drag motors of three major mechanisms of the tower crane to operate, energy generated by one inverter unit operating in a power generation mode can be used by other inverter units operating in an electric mode, the whole system is more energy-saving, and the configuration of the braking resistor is reduced by the integrated braking unit. The drive unit parts of the three operating mechanisms of lifting, rotating and amplitude changing all adopt integrated IGBT modules, share one rectifier module, one starting resistor and one starting contactor, the overall size is greatly reduced, the design and installation are more flexible, the copper bar layout of the input end and the output end is more reasonable, and meanwhile, the after-sale maintenance is more concise.
In order to further optimize the technical scheme, the inner side plate of the right cavity is fixed on the right side of the integrated cabinet and forms a heat dissipation channel with the side wall; the left cavity is internally provided with an electric element control part, the upper part of the right cavity is provided with an upper door plate assembly and a lower door plate assembly, the upper door plate is respectively provided with a control panel for lifting, rotating and amplitude changing, the working state of the tower crane can be clearly displayed, when a fault occurs, the type and the position of the fault can be accurately displayed, field operators can find the fault conveniently, after-sales personnel can check the fault conveniently in time, the maintenance time is greatly saved, meanwhile, the software and hardware overload dual protection is realized, the control logic of a special brake is realized, the starting and stopping comfort level is excellent, and a logic control loop adopts a hardware interlocking design, so that the;
in order to further optimize the technical scheme, a closed heat dissipation air duct which penetrates through the interior of the frequency conversion element circuit is arranged in the case set 1, an air inlet is arranged at the lower part, an air outlet is arranged at the upper part, and a high-speed exhaust fan is arranged at the upper part of the frequency conversion integrated module radiator to form a closed heat dissipation air duct, so that the heat dissipation effect is greatly improved; the rated temperature rise test data is shown in the following table, and the system detection shows that the temperature rise test is qualified. (qualification standard: keyboard display temperature-ambient temperature ≤ 40 deg.C)
Figure BDA0002630427230000051
In order to further optimize the technical scheme, a keyboard component 2727 is installed on the upper door panel component 1010 of the right chamber, and the variable frequency panel keyboard components 27 of the luffing mechanism, the hoisting mechanism and the slewing mechanism respectively correspond to each other from left to right, so that keyboard parameters can be conveniently checked or set, and each keyboard component 27 comprises a panel base and a keyboard arranged on the panel base. The relay wiring board 1818 is arranged in the left cavity, the complex wiring mode of three independent frequency conversion devices in the prior art is abandoned, a newly designed relay wiring board 18 is used instead, most internal cables are integrated on a circuit board, the periphery of the relay wiring board 18 is provided with a pluggable butt terminal, a large number of wiring terminals 22 are omitted, a large number of relay elements are saved, a production worker only needs few wiring procedures to complete wiring tasks, meanwhile, a lot of space is saved, the maintenance is more convenient after sale, the overall wiring is attractive, and the user operation is facilitated.
In order to further optimize above-mentioned technical scheme, the bottom of the cabinet body is connected with mounting bracket 77, and it comprises bending the steel bar assembly welding bottom mounting bracket 7, and cabinet body chassis bottom mounting panel carries out bolted connection with mounting bracket 7, and there is the mounting hole bottom mounting bracket 7 to carry out the bolt mounting with the tower crane, and the cabinet body top is equipped with eyebolt, convenient transportation and hoist and mount.
In order to further optimize above-mentioned technical scheme, convenience of customers looks over the operating condition of the integrative cabinet of tower crane frequency conversion, operate the integrative cabinet of tower crane frequency conversion, through the upper right portion door plant 10 upper portion position at case group 1, a set of tower crane operation indicator lamp plate has been increased, the operating condition of demonstration tower crane that can be clear, when the trouble produces, the type and the position that demonstrate the trouble that can be accurate, make things convenient for the on-the-spot operating personnel in time to discover, also be convenient for after-sale personnel in time to investigate the trouble, save maintenance duration greatly, simultaneously software and hardware overload duplicate protection, special brake control logic, it is splendid to open and stop the comfort level, logic control circuit adopts the hardware interlock design, and is safe and.
In order to further optimize the above technical solution, the transformer 11, the adjustable resistor 12, the dc power switch 13, the fuse 14, the time relay 15, the air switch 17, the relay circuit board, the phase sequence relay 19, the charging contact 20, the ac contactor 21, the surge protector 23, the charging resistor 25, the main contactor 26, the lifting driving circuit board 28, the control circuit board 29, the hall detection circuit board 30, the fan mounting board assembly 31, the heat sink mounting board assembly 32, the rotation integration module 33, the lifting integration module 34, the amplitude variation integration module 35, the capacitor board mounting board assembly, the rectification brake module heat sink 37, and the variable frequency connection terminal 22 all adopt the prior art, and the connection relationship therebetween is also a known technology, and therefore, the description is omitted.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (7)

1. The utility model provides an integrative cabinet of tower crane frequency conversion which characterized in that includes: the air conditioner comprises a machine box group, a cabinet body and a cabinet body, wherein a cover plate is arranged at the top of the machine box group, a mounting frame is arranged at the bottom of the machine box group, a left door assembly and a right door assembly are arranged on the front side of the machine box group, an air inlet cover plate and an air outlet cover plate are arranged on the back of the machine box group, and the interior of the machine box group;
the left cavity is an electrical element control unit, and the right cavity is a variable frequency integrated unit;
an electrical component mounting plate is arranged at the bottom in a left cavity inside the left cavity, and a transformer, an adjustable resistor, a rectifier module radiator, a direct-current power switch, a fuse, a time relay, an air switch, a relay circuit board, a phase sequence relay, a charging contactor, an alternating-current contactor, a surge protector, a charging resistor, a main contactor and a wiring terminal are sequentially arranged on the electrical component mounting plate from top to bottom;
the right cavity is divided into an upper right cavity and a lower right cavity, the upper door panel assembly and the lower door panel assembly are respectively used as cover plates, a right frame inner side plate assembly is arranged at the bottom of the right cavity, and the upper right cavity is sequentially provided with a lifting driving circuit board, a control circuit board, a Hall detection circuit board, a fan mounting plate assembly and a radiator mounting plate assembly from top to bottom; the right lower cavity is sequentially provided with a rotary integrated module, a lifting integrated module, a variable amplitude integrated module, a capacitor plate mounting plate assembly, a rectifying brake module radiator and a variable frequency wiring terminal from top to bottom;
and all components in the right chamber are arranged on the right frame inner side plate component.
2. The tower crane frequency conversion integrated cabinet according to claim 1, wherein a radiator is mounted on the radiator mounting plate, and a rotary integrated IGBT module, a lifting integrated IGBT module and a variable amplitude integrated IGBT module are arranged on the radiator.
3. The tower crane frequency conversion integrated cabinet according to claim 1, wherein a capacitor is mounted on the capacitor mounting plate assembly.
4. The tower crane variable frequency integrated cabinet according to claim 1, wherein the rectifying and braking module radiator is provided with a braking IGBT module and a rectifying module.
5. The tower crane frequency conversion integrated cabinet according to claim 1, wherein the left door assembly and the right door assembly are respectively fixed on the cabinet set through rotating shafts, and the left door assembly is provided with an air outlet and an air inlet electric fan.
6. The tower crane frequency conversion integrated cabinet according to claim 1, wherein the wiring terminal comprises: main binding post and vice binding post.
7. The tower crane frequency conversion integrated cabinet according to claim 1, wherein a keyboard assembly is arranged on the control circuit board.
CN202021674493.4U 2020-08-13 2020-08-13 Integrative cabinet of tower crane frequency conversion Active CN212627650U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021674493.4U CN212627650U (en) 2020-08-13 2020-08-13 Integrative cabinet of tower crane frequency conversion

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021674493.4U CN212627650U (en) 2020-08-13 2020-08-13 Integrative cabinet of tower crane frequency conversion

Publications (1)

Publication Number Publication Date
CN212627650U true CN212627650U (en) 2021-02-26

Family

ID=74713875

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021674493.4U Active CN212627650U (en) 2020-08-13 2020-08-13 Integrative cabinet of tower crane frequency conversion

Country Status (1)

Country Link
CN (1) CN212627650U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113860175A (en) * 2021-11-09 2021-12-31 湖北江汉建筑工程机械有限公司 Frequency conversion integration tower crane electrical system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113860175A (en) * 2021-11-09 2021-12-31 湖北江汉建筑工程机械有限公司 Frequency conversion integration tower crane electrical system

Similar Documents

Publication Publication Date Title
CN103607159A (en) Electric vehicle motor controller and controller assembly modularization unit structure mode
CN212627650U (en) Integrative cabinet of tower crane frequency conversion
CN103144548B (en) Traction control unit and control box
CN204231177U (en) Integrated chassis frequency converter
CN215772927U (en) Three-phase converter experiment control box structure
CN207967944U (en) A kind of Active Power Filter-APF APF structures
CN202103583U (en) Mining explosion-proof and intrinsically safe AC frequency converter
CN206401746U (en) A kind of wall-mounted quality of power supply apparatus for correcting
CN202285384U (en) Novel switched reluctance motor controller
CN203883333U (en) A large power draught fan current transformer
CN107528482A (en) A kind of design method for optimizing inverter internal layout
CN214154349U (en) Elevator electric control system based on T-type three-level unit type frequency converter
CN216903787U (en) Cabinet type integrated machine driver
CN207115180U (en) A kind of integrated fault detects control box
CN220674055U (en) Control cabinet
CN206359137U (en) A kind of crane contactless control system
CN220155999U (en) Three-level excitation winding frequency converter all-in-one machine
CN217010070U (en) Water-cooling power module unit
CN217912344U (en) Double-main-motor parallel synchronous servo press driving electric cabinet
CN221428309U (en) Energy storage alternating current cabinet
CN217064376U (en) Frequency converter of construction elevator
CN220383348U (en) Control cabinet
CN221380185U (en) Integrated module of electrical switch cabinet and wind driven generator
CN219436413U (en) Outdoor electric control cabinet layout structure of submersible electric pump
CN212217406U (en) Multifunctional welding machine

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant