CN202513875U - Chain hoist with frequency conversion controller - Google Patents
Chain hoist with frequency conversion controller Download PDFInfo
- Publication number
- CN202513875U CN202513875U CN2012201123791U CN201220112379U CN202513875U CN 202513875 U CN202513875 U CN 202513875U CN 2012201123791 U CN2012201123791 U CN 2012201123791U CN 201220112379 U CN201220112379 U CN 201220112379U CN 202513875 U CN202513875 U CN 202513875U
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- CN
- China
- Prior art keywords
- frequency
- circuit module
- variable controller
- frequency conversion
- chain hoist
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model discloses a chain hoist with a frequency conversion controller. The chain hoist comprises a control handle and a brake motor as well as a frequency conversion controller, wherein the frequency conversion controller comprises a main circuit module and a control circuit module which are connected with each other, the input terminal of the main circuit module is connected with a power-frequency power supply, the output terminal of the main circuit module is connected with the brake motor, and the input terminal of the control circuit module is connected with the control handle. The chain hoist with the frequency conversion controller has the advantages that the problem that an ordinary frequency conversion controller can not be mounted on the chain hoist in the prior art is solved, a three-phase main circuit of a frequency converter is integrated with a drive circuit, a detection circuit and a protection circuit through reducing auxiliary function modules of the frequency converter, such as a communication interface, a control panel and the like and adopting a separate design so as to realize the function of frequency conversion, the frequency conversion control on the brake motor of the chain hoist is realized through mounting the special small-volume frequency conversion controller on the chain hoist, and the wiring is simple.
Description
Technical field
The utility model has related to a kind of chain block, especially a kind of chain block of the band frequency-variable controller with frequency-variable controller.
Background technology
Characteristics such as chain block is a kind of small-sized hoisting equipment, and it is little to have a volume, simple to operate from heavy and light, easy to use are used for industrial and mining enterprises, places such as storage harbour.Existing brake motor adopts contactor control usually, and it moves up and down, but because the volume of contactor is bigger, and the installing space of chain block is limited; Contactor is difficult to be installed on the chain block, and the motor of chain block electric current in start-up course is bigger, needs frequency-variable controller to reduce starting current; Frequency converter on the market satisfies various demand in order to enrich function, is designed with the multiple interfaces module; Make the also corresponding increase of its volume, can't satisfy the characteristics of little space mounting on the band chain bar cucurbit, and common frequency converter is after the motor braking; Because operating frequency is low, cause motor to be difficult for starting once more.
The utility model content
The utility model provides a kind of chain block with frequency-variable controller, is installed on the chain block through a frequency-variable controller that special wiring is simple, installing space is little, realizes the VFC to the brake motor of chain block.
In order to solve the problems of the technologies described above, the technical scheme that the utility model adopted is:
A kind of chain block with frequency-variable controller; Comprise joystick and brake motor; Also comprise frequency-variable controller, said frequency-variable controller comprises and interconnects main circuit module and control circuit module that the input of said main circuit module is connected with power frequency supply; Output connects the brake motor, and the input joystick of said control circuit module is connected.
Aforesaid a kind of chain block with frequency-variable controller is characterized in that: said main circuit module comprises rectifier, filter and the inverter that connects successively, and said rectifier is connected with power frequency supply, and said inverter is connected with the brake motor.
Aforesaid a kind of chain block with frequency-variable controller; It is characterized in that: said control circuit module comprises testing circuit, computing circuit and the drive circuit that connects successively; Said testing circuit is connected with the main circuit module; Said drive circuit is connected with inverter, and said computing circuit is connected with joystick.
Aforesaid a kind of chain block with frequency-variable controller is characterized in that: be connected with a braking resistor on the subband binding post of said frequency-variable controller.
Aforesaid a kind of chain block with frequency-variable controller is characterized in that: said frequency-variable controller also comprises a protective circuit that is connected with control circuit module with said main circuit module respectively.
The beneficial effect of the utility model is: through reducing the miscellaneous function module of frequency converters such as communication interface, control panel; The design of employing separate type; Three-phase main circuit and drive circuit, testing circuit, the protective circuit of frequency converter are integrated together, realize the function of frequency conversion, the small size frequency-variable controller that this is special is installed on the chain block; Realization is to the VFC of the brake motor of chain block, and wiring is simple.
Description of drawings
Fig. 1 is that the circuit of the chain block of the utility model band frequency-variable controller connects sketch map;
Fig. 2 is that the circuit module of the utility model frequency-variable controller connects sketch map.
Embodiment
To combine Figure of description below, the utility model will be further described.
As depicted in figs. 1 and 2; A kind of chain block with frequency-variable controller comprises joystick 2 and brake motor 3, also comprises frequency-variable controller 1; Said frequency-variable controller 1 comprises and interconnects main circuit module 11 and control circuit module 12; Said main circuit module 11 comprises rectifier, filter and the inverter that connects successively, and said rectifier is connected with power frequency supply, and said inverter is connected with brake motor 3; Said control circuit module 12 comprises testing circuit, computing circuit and the drive circuit that connects successively; Said testing circuit is connected with main circuit module 11, and said drive circuit is connected with inverter, and said computing circuit is connected with joystick 2.
Be connected with a braking resistor on the subband binding post of said frequency-variable controller 1; The brake motor 3 of the chain block of band frequency-variable controller can become generator and produce electric energy in the process that descends; Through the electric energy that braking resistor consumption brake motor 3 is produced, realize braking.
Said frequency-variable controller 1 also comprises a protective circuit that is connected with control circuit module 12 with said main circuit module 11 respectively, for main circuit module 11 and control circuit module 12 provide defencive function.
Said frequency-variable controller 1 is simplified functional module on the basis of realizing frequency conversion; The design of employing separate type; Adopt intelligent integration module; Three-phase main circuit and drive circuit, testing circuit, the protective circuit of frequency converter are integrated together, have dwindled the volume of frequency-variable controller 1, can be after being installed in easily on the little equipment of installing spaces such as chain block.
In sum, the utility model provides a kind of chain block with frequency-variable controller, realizes that through a special small size frequency-variable controller wiring is simple, low production cost to the control of chain block brake motor.
More than show and described basic principle, principal character and the advantage of the utility model.The technical staff of the industry should understand; The utility model is not restricted to the described embodiments; The principle of describing in the foregoing description and the specification that the utility model just is described; Under the prerequisite that does not break away from the utility model spirit and scope, the utility model also has various changes and modifications, and these variations and improvement all fall in the utility model scope that requires protection.The utility model requires protection range by appending claims and equivalent circle thereof.
Claims (5)
1. chain block with frequency-variable controller; Comprise joystick (2) and brake motor (3); It is characterized in that: also comprise frequency-variable controller (1), said frequency-variable controller (1) comprises and interconnects main circuit module (11) and control circuit module (12) that the input of said main circuit module (1) is connected with power frequency supply; Output connects brake motor (3), and the input joystick (2) of said control circuit module is connected.
2. a kind of chain block according to claim 1 with frequency-variable controller; It is characterized in that: said main circuit module (11) comprises rectifier, filter and the inverter that connects successively; Said rectifier is connected with power frequency supply, and said inverter is connected with brake motor (3).
3. a kind of chain block according to claim 2 with frequency-variable controller; It is characterized in that: said control circuit module (12) comprises testing circuit, computing circuit and the drive circuit that connects successively; Said testing circuit is connected with main circuit module (11); Said drive circuit is connected with inverter, and said computing circuit is connected with joystick (2).
4. a kind of chain block with frequency-variable controller according to claim 3 is characterized in that: be connected with a braking resistor on the subband binding post of said frequency-variable controller (1).
5. a kind of chain block with frequency-variable controller according to claim 4 is characterized in that: said frequency-variable controller (1) also comprises a protective circuit that is connected with control circuit module (12) with said main circuit module (1) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201123791U CN202513875U (en) | 2012-03-23 | 2012-03-23 | Chain hoist with frequency conversion controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201123791U CN202513875U (en) | 2012-03-23 | 2012-03-23 | Chain hoist with frequency conversion controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202513875U true CN202513875U (en) | 2012-10-31 |
Family
ID=47066330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201123791U Expired - Lifetime CN202513875U (en) | 2012-03-23 | 2012-03-23 | Chain hoist with frequency conversion controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202513875U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102624326A (en) * | 2012-03-23 | 2012-08-01 | 冠亚机械工业（昆山）有限公司 | Chain block with frequency-variable controller |
-
2012
- 2012-03-23 CN CN2012201123791U patent/CN202513875U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102624326A (en) * | 2012-03-23 | 2012-08-01 | 冠亚机械工业（昆山）有限公司 | Chain block with frequency-variable controller |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121031 |
|
| CX01 | Expiry of patent term |