CN202503445U - Frequency converter dedicated to feeding of link plate of pulper - Google Patents
Frequency converter dedicated to feeding of link plate of pulper Download PDFInfo
- Publication number
- CN202503445U CN202503445U CN2012200474983U CN201220047498U CN202503445U CN 202503445 U CN202503445 U CN 202503445U CN 2012200474983 U CN2012200474983 U CN 2012200474983U CN 201220047498 U CN201220047498 U CN 201220047498U CN 202503445 U CN202503445 U CN 202503445U
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- China
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- unit
- pulper
- power supply
- control unit
- display keyboard
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- Expired - Fee Related
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Abstract
The utility model discloses a frequency converter dedicated to feeding of a link plate of a pulper. The frequency converter is composed of a power supply input circuit, a rectifying unit, a filtering unit, a switching mode power supply, a display keyboard unit, a CPU control unit, a drive unit, a detecting and converting unit, an inverter and an output loop. The switching mode power supply is used for providing working power supply to the CPU control unit, the drive unit and the display keyboard unit. The drive unit connected to the pulper through the inverter is used for receiving a control command sent by the CPU control unit and controlling an operating state of the pulper according to the control command. The frequency converter of the utility model has the advantages of simple circuit structure, strong anti-interference ability, strong practical applicability and reliability.
Description
Technical field
The utility model relates to a kind of frequency converter, especially a kind of special converter that VFC is provided for hydrabrusher carrier bar feeding.
Background technology
Hydrabrusher is one of pulp crushing apparatus the most frequently used in the pulp and paper industry, main size degradation pulpboard, waste and old books, waste carton etc.Size according to volume is divided into 6m
3, 8m
3, 10m
3Etc. model, the hydrabrusher bigger to capacity, the mode that in it, adds materials is generally manual work and intermittently carries out feeding according to the blanking situation in the pulper with forklift or chain mat machine.
Existing feeding manner causes the material in the pulper inhomogeneous, is not that zero load is exactly an overload, and the current of electric fluctuating range is bigger, and efficient is low, and energy consumption is high, causes the instability of distribution network voltage easily.
The utility model content
The purpose of the utility model promptly produces thus, proposes a kind of circuit control system that passes through, and reduces the unloaded or overload of pulper; According to setting working current value; Guarantee the amplitude of current of electric fluctuation, circuit structure is simple, antijamming capability is strong, practical and reliable pulper carrier bar feeding special converter.
For realizing above-mentioned purpose, the utility model is realized through following technical scheme: a kind of pulper carrier bar feeding special converter is made up of power supply input circuit, rectification unit, filter unit, Switching Power Supply, display keyboard unit, CPU control unit, driver element, detection converting unit, inverter and output loop;
Said power supply input circuit is connected with Switching Power Supply with filter unit through the major loop rectification unit;
Said Switching Power Supply is used to CPU control unit, driver element, display keyboard unit working power is provided;
Said driver element is connected with pulper through inverter, is used to receive the control command that the CPU control unit sends, and controls the operating state of pulper according to control command;
Said detection converting unit is used to detect the operational factor of pulper, and sends said operational factor to the CPU control unit;
Said display keyboard unit is used for input operation instruction, and operational order is converted into the external control instruction sends the display keyboard control unit to.
The design feature of the pulper carrier bar feeding special converter of the utility model also is: also comprise output loop, said output loop is used to show the operational factor and the operating state of pulper.
Compared with prior art, the beneficial effect of the utility model is embodied in:
1, the utility model is gathered the operating current of pulper; Make the feeding chain mat machine according to the automatic even feeding of material situation in the pulper; Through on the utility model frequency converter, setting the working current value of pulper; Can guarantee that pulper feeding capacity and blanking amount reach a dynamic equilibrium, thereby the operating efficiency of pulper is improved greatly that energy consumption also so significantly descends.In addition, when material is saturated in the pulper, can stop feeding automatically, pulper is played a protective role.
2, the utility model can show the running frequency (or rotating speed) of carrier bar pulper and the electric current of pulper motor simultaneously, is convenient to the feeding worker and observes and operate;
3, be different from the control system that common frequency converter and instrument are formed, the utility model circuit structure is simple, antijamming capability is strong, and is practical reliable.
Description of drawings
Fig. 1 is the utility model circuit control signal flow chart;
Fig. 2 is the utility model electric power-feeding structure flow chart;
Fig. 3 is a display keyboard circuit control signal flow chart.
Wherein: 1-power supply input circuit, 2-rectification unit, 3-filter unit, 4-inverter; The 5-output loop, 6-Switching Power Supply, 7-driver element, 8-CPU control unit; 9-display keyboard unit, the 10-input unit, 11-detects converting unit, 12-display keyboard control unit; 13-pulper electric current shows, the 14-key zone, and the 15-function shows.
Embodiment
In conjunction with accompanying drawing, the embodiment that provides the utility model is following:
Like Fig. 1, Fig. 2, shown in Figure 3: a kind of pulper carrier bar feeding special converter by power supply input circuit 1, rectification unit 2, filter unit 3, Switching Power Supply 6, display keyboard unit 9, CPU control unit 8, driver element 7, detect converting unit 11, inverter 4 and output loop 5 and form; Three-phase alternating-current supply gets into frequency converter by power supply input circuit 1 and becomes direct current after through rectification unit 2, filter unit 3, by copper bus-bar both positive and negative polarity is added on the inverter 4.Power supply after the inversion gets into the pulper motor through output loop 5.
Said Switching Power Supply 6 provides working power for display keyboard unit 9, CPU control unit 8, driver element 7; CPU control unit 8 is accepted display keyboard unit 9 and 11 instructions of input converting unit, and then sends control signal to driver element 7.
Detect converting unit 11 and convert the 0-5A ac current signal of pulper Current Transformer Secondary side the d. c. voltage signal of 0-5V into, the signal after the conversion is delivered to CPU control unit 8, is used for the output frequency of reaction control of conversion device.In addition, CPU control unit 8 and 12 communications of display keyboard control unit are used for the pulper electric current with this signal and show 13.
Said input unit 10 is accepted the external switch signal through optocoupler, is used for controls such as distant place start-stop.
Can set working method through display keyboard unit 9, control mode is on the spot optional or long-range.Display keyboard divides three functional areas: function shows 15 (containing pulper running frequency or rotating speed shows), pulper electric current demonstration 13, key zone 14.CPU control unit 8 transmits through communication modes with display keyboard control unit 12 and accepts data, and display keyboard control unit 12 is the host computer of CPU control unit 8.Instruction re-sends to CPU control unit 8 through key zone 14 input display keyboard control units 12.
What should explain at last is: above embodiment only in order to the explanation the utility model and and the described technical scheme of unrestricted the utility model; Therefore, although the utility model book has carried out detailed explanation to the utility model with reference to each above-mentioned embodiment,, those of ordinary skill in the art should be appreciated that still and can make amendment or be equal to replacement the utility model; And all do not break away from the technical scheme and the improvement thereof of the spirit and the scope of utility model, and it all should be encompassed in the middle of the claim scope of the utility model.
Claims (1)
1. pulper carrier bar feeding special converter; Be made up of power supply input circuit, rectification unit, filter unit, Switching Power Supply, display keyboard unit, CPU control unit, driver element, detection converting unit, inverter and output loop, it is characterized in that: said power supply input circuit is connected with Switching Power Supply with filter unit through the major loop rectification unit;
Said Switching Power Supply is used to CPU control unit, driver element, display keyboard unit working power is provided;
Said driver element is connected with pulper through inverter, is used to receive the control command that the CPU control unit sends, and controls the operating state of pulper according to control command;
Said detection converting unit is used to detect the operational factor of pulper, and sends said operational factor to the CPU control unit; Said display keyboard unit is used for input operation instruction, and operational order is converted into the external control instruction sends the display keyboard control unit to;
Said output loop is used to show the operational factor and the operating state of pulper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200474983U CN202503445U (en) | 2012-02-10 | 2012-02-10 | Frequency converter dedicated to feeding of link plate of pulper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200474983U CN202503445U (en) | 2012-02-10 | 2012-02-10 | Frequency converter dedicated to feeding of link plate of pulper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202503445U true CN202503445U (en) | 2012-10-24 |
Family
ID=47040044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200474983U Expired - Fee Related CN202503445U (en) | 2012-02-10 | 2012-02-10 | Frequency converter dedicated to feeding of link plate of pulper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202503445U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113098259A (en) * | 2021-05-12 | 2021-07-09 | 中国北方车辆研究所 | Electromagnetic compatible filtering device of variable frequency driving motor |
-
2012
- 2012-02-10 CN CN2012200474983U patent/CN202503445U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113098259A (en) * | 2021-05-12 | 2021-07-09 | 中国北方车辆研究所 | Electromagnetic compatible filtering device of variable frequency driving motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121024 Termination date: 20150210 |
|
| EXPY | Termination of patent right or utility model |