CN207442728U - A kind of double frequency-changing control systems of batcher - Google Patents
A kind of double frequency-changing control systems of batcher Download PDFInfo
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- CN207442728U CN207442728U CN201721646977.6U CN201721646977U CN207442728U CN 207442728 U CN207442728 U CN 207442728U CN 201721646977 U CN201721646977 U CN 201721646977U CN 207442728 U CN207442728 U CN 207442728U
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- batcher
- frequency converter
- frequency
- host
- ports
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Abstract
The utility model discloses a kind of double frequency-changing control systems of batcher, are related to batcher automatic control technology field, which includes host frequency converter, main motor, batcher frequency converter, batcher motor；Host frequency converter is connected with main motor, the sending port AO1 of host frequency converter is connected with the receiving port AI2 of batcher frequency converter, the GND of host frequency converter is connected with the GND of batcher frequency converter, batcher frequency converter is connected with batcher motor, and adjustable AI1 ports that manual reference frequency is inputted on batcher frequency converter are connected with GND ports；The double frequency-changing control systems of the batcher can directly detect host work state with host frequency converter and feed back to batcher frequency conversion system adjustment batcher delivery rate, reduce detection feedback hardware cost；Protected host motor extends the main motor service life；Loss caused by reducing batcher overload shutdown, enables production line long-time even running.
Description
Technical field
It is more specifically a kind of to be controlled according to load on host computers the utility model is related to batcher automatic control technology field
Double converter plants of delivery rate.
Background technology
The component of batcher is typically mounted on the lower section of feed bin or discharge funnel, uniform by the needs of production procedure
Quantitatively to or other devices be fed, just as adjust fluid flow valve.Batcher is material carrying machine and automation
Ancillary equipment in system.By the motion mode of working component, batcher can be divided into 3 kinds：
1st, it is linear, such as apron feeder, apron feeder, scraper feeder；
2nd, swinging, such as chain feeder, disk feeder, screw(-type) feeder and revolving plow reclaimer；
3rd, it is reciprocating, such as oscillating feeder, reciprocating feeder.Following factors are must take into consideration when selecting batcher：Feeding coal
And its adjustable range, feeding coal accuracy, the characteristic of material, mounting means, appearance and size, security reliability, environmental protection item
Part and dead weight etc..
The level of automatic feeder is largely dependent upon the height of electromechanical integration technology, and process and development become
Gesture is similar to electromechanical integration.Eighties of last century machine sixties, people improve the performance of engineering goods with the achievement of electronic technology,
At this moment there is simple semi-automatic feeding device.The initial combination of machinery and electronics plays expanding economy in positive work
With.70 ~ eighties is the epoch that mechanical ＆ electrical technology flourishes, extensive, super large-scale integration and microcomputer it is fast
Exhibition is hailed, sufficient material base is provided for the development of electromechanical integration.Electromechanical integration technology and product have obtained greatly
Development.Various countries start to give electromechanical integration technology and product very big concern and support, and automatic feeder obtains
It is widely popularized and uses.Into 21 century automatic feeder important work is played in industries such as lathe, metal metallurgy smelting, mines
With.
At present, the utility model patent of Patent No. CN201620721202 disclose " a kind of plate-type feeding intelligently to
Material system ", disclose it is a kind of according to current transformer and digital electronic ammeter detection host current of electric size come adjust automatically
Batcher feeding speed, reaches and automatically controls result.
But the technical solution has the following problems and shortcoming：1st, the dash current of motor on startup is rated current
7-8 times, significantly affect electrical machinery life；2nd, added using current transformer and digital electronic ammeter the hardware of detection feedback into
Originally and control system is complicated.
The content of the invention
To solve the above problems, overcome the deficiencies in the prior art, the utility model provides a kind of double frequency conversion controls of batcher
The working condition of main motor directly can be fed back to batcher frequency converter to adjust by system processed, the system by host frequency converter
The delivery rate of whole batcher makes host long-time even running.
To achieve the above object, the double frequency-changing control systems of batcher provided by the utility model, including main motor, detection
Host frequency converter, batcher motor and the receiving host electric machine operation state analog signals of main motor working condition are simultaneously
The batcher frequency converter of delivery rate is adjusted by binary channels algebraical sum overlap-add procedure, which is characterized in that the host frequency converter
It is connected with main motor by control line, by main motor working condition with analog output to the host of batcher frequency converter
The AO1 sending ports of frequency converter are connected by data cable with the AI2 receiving ports of batcher frequency converter, host frequency converter
GND ports are connected by data cable with the GND ports of batcher frequency converter, by host frequency converter analog input signal with giving
Material machine frequency converter manual input signals adjust the batcher frequency converter of delivery rate with giving by binary channels algebraical sum overlap-add procedure
The electromechanical machine of material is connected by control line, and adjustable AI1 ports and the GND of manual reference frequency are inputted on batcher frequency converter
Port is connected by data cable, and batcher frequency converter is provided with the speed setting controller for including tri- wire connection terminals of S1, S2, COM, and
S1 is in parallel with S2.
The host frequency converter uses JX600 Series Frequency Converters with batcher frequency converter.
The batcher inverter input signal is arranged to two channel design forms.Batcher frequency converter receiving host becomes
Frequency device signal mode analog quantity inputs frequency modulation and is manually entered frequency modulation with batcher frequency converter, is given by two passage algebraical sum stacked systems
It is fed unit frequency.
S1 is in parallel with S2 in three wire connection terminals of the speed setting controller, and when S2 is disconnected, S1 and COM is rotating forward speed governing
Connection type；When S1 is disconnected, S2 and COM is reversion speed governing connection type.
The adjusting initial voltage for the manual reference frequency that the AI1 ports of the batcher frequency converter input for batcher motor
Pointer range is：0-10V.
The control of the frequency converter of the batcher is arranged to potentiometer control structure form.Host frequency converter passes through detection
Voltage swing determines the output of batcher frequency converter frequency.Further, the input voltage of batcher terminal has been more than batcher
Frequency converter setting value, at this moment batcher reduce speed now, just reduce feed.The input voltage of subsequent batcher terminal is less than setting
Value, batcher recover reference frequency again.Such circular flow.
The beneficial effects of the utility model are：The double frequency-changing control systems of the batcher can directly be detected with host frequency converter
Host work state simultaneously feeds back to batcher frequency conversion system adjustment batcher delivery rate, reduces detection feedback hardware cost；It protects
Main motor is protected, extends the main motor service life；Loss caused by reducing batcher overload shutdown, enables production line to put down for a long time
Steady operation.
Description of the drawings：
Attached drawing 1 is the structure diagram of the double frequency-changing control systems of the utility model batcher；
Attached drawing 2 is the structure diagram of the utility model embodiment 1；
In attached drawing：1st, host frequency converter, 2, main motor, 3, batcher frequency converter, 4, batcher motor, 5, speed regulating control
Device.
Specific embodiment：
To make the purpose, technical scheme and advantage that the utility model is implemented clearer, below in conjunction with the utility model
Attached drawing, the utility model is further described in more detail.
The utility model is described in further detail with reference to Fig. 1, Fig. 2 and embodiment, so that the public preferably grasps this reality
With new implementation, the utility model specific embodiment is：
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " is set in the description of the utility model
Put ", " connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integrally
Connection；Can be mechanical connection or electrical connection；It can be directly connected, can also be indirectly connected by intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, can above-mentioned art be understood with concrete condition
Concrete meaning of the language in the utility model.
In Fig. 1, the double frequency-changing control systems of batcher, including host frequency converter 1, main motor 2, batcher frequency converter 3,
Batcher motor 4 and speed setting controller 5, host frequency converter 1 are connected with main motor 2 by control line, host frequency converter 1
AO1 sending ports are connected with the AI2 receiving ports of batcher frequency converter 3 by data cable, the GND and feed of host frequency converter 1
The GND of machine frequency converter 3 is connected by data cable, and batcher frequency converter 3 is connected with batcher motor 4 by control line, batcher
The S1 ports of speed setting controller 5 in frequency converter 3 are in parallel with S2 ports, and input manual reference frequency on batcher frequency converter can
The AI1 ports of adjusting are connected with GND ports by data cable.
Embodiment 1
In fig. 2, main circuit of converter and secondary connection circuit, host frequency converter 1 are detected by current acquisition module and led
The operating current of electromechanical machine 2 passes through analog output to batcher frequency converter 3.Preferably, host frequency converter 1 is with following electric current letter
Number selection output voltage signal.3 receiving host frequency converter signal mode analog quantity of batcher frequency converter inputs frequency modulation and batcher frequency conversion
Device is manually entered frequency modulation, gives 3 frequency of batcher frequency converter by two passage algebraical sum stacked systems, adjusts batcher motor 4
Delivery rate.
AO1 is with follow host current signal selection output voltage, A frequencies in batcher frequency converter 3 in host frequency converter 1
Instruction selection analog quantity AI1 settings, B frequency instruction preset lower limit 5V, B signal output are preset lower limit-AI2 input letters
Number, since 3 frequency setting method of batcher frequency converter is set to two passage algebraical sum stacked system of A, B, i.e. frequency channel superposition side
Formula is A+B.
The control of the preferred batcher frequency converter 3 of the double frequency-changing control systems of batcher is arranged to control of Electric potentials, host frequency conversion
2 times of rated current of corresponding host motor 2 when 1 terminal analog quantity AO1 of device exports maximum voltage 10V, that is, during output 5V pair
Answer the rated current of main motor 2, manual benchmark input AI1 is set as 5V in batcher frequency converter 3.When the electricity of main motor 2
When stream is more than rated current, 1 terminal AO1 output voltages of host frequency converter are more than 5V, should be 3 terminal AI2's of batcher frequency converter
Input voltage has been more than 5V, and by the frequency setting method A+B of batcher frequency converter 3, given frequency declines, and at this moment feed is electromechanical
Machine 4 reduces speed now, and just reduces feed.The resistance that subsequent main motor 2 is run into reduces, and 2 electric current of main motor declines, with follow electricity
The host frequency converter output voltage of signal is flowed less than 5V, and batcher motor 4 recovers reference frequency operation.Such circular flow.
Embodiment 2
Double applications of the frequency-changing control system in expanded pellet diet is produced of batcher, batcher transducer power is 5.5KW,
Host transducer power is 18.5KW, and main motor rated current is 36A, is adjusted based on 36A, and feed is electromechanical
The external potentiometer setpoint frequency of machine is 25HZ, and main motor setpoint frequency is 30HZ, batcher electric machine frequency and main motor electricity
Flow correspondence such as subordinate list 1.By subordinate list 1 as can be seen that after employing the double frequency-changing control systems of batcher, host electric current is in ripple
When dynamic, the phenomenon that causing the frequency fluctuation of batcher frequency converter, reduce main motor stall and overload operation.
To sum up, the utility model provides a kind of batcher double frequency-changing control systems, the double frequency-changing control system energy of the batcher
Main motor working condition is directly fed back to by batcher frequency converter by host frequency converter and adjusts delivery rate, reduces host electricity
Loss, enables production line long-time even running caused by machine overload shutdown, while reduces detection feedback hardware cost, protection
Main motor extends the main motor service life.
The preferred embodiment of the utility model described in detail above, still, the utility model are not limited to above-mentioned reality
Apply the detail in mode, in the new range of the technology design of this experiment, can to the technical solution of the utility model into
The a variety of simple deformations of row, these simple deformations belong to the scope of protection of the utility model.
It is those skilled in the art known technology in addition to technical characteristic described in specification.
1 batcher electric machine frequency of subordinate list and main motor electric current mapping table
| Host electric current（A） | 36 | 30 | 39 | 40 | 37 | 36 | 38 | 32 |
| It is fed unit frequency（HZ） | 25 | 25 | 22 | 18 | 24 | 25 | 22 | 25 |
Claims (5)
1. a kind of double frequency-changing control systems of batcher, including main motor（2）, detection main motor working condition host frequency conversion
Device（1）, batcher motor（4）And receiving host electric machine operation state analog signals and pass through binary channels algebraical sum and be superimposed
Processing adjusts the batcher frequency converter of delivery rate（3）, which is characterized in that the host frequency converter（1）With main motor（2）It is logical
It crosses control line to be connected, by main motor（2）Working condition is with analog output to batcher frequency converter（3）Host frequency converter
（1）AO1 sending ports pass through data cable and batcher frequency converter（3）AI2 receiving ports be connected, host frequency converter（1）
GND ports pass through data cable and batcher frequency converter（3）GND ports be connected, by host frequency converter（1）Analog input
Signal and batcher frequency converter（3）Manual input signals adjust the batcher of delivery rate by binary channels algebraical sum overlap-add procedure
Frequency converter（3）With batcher motor（4）It is connected by control line, batcher frequency converter（3）The upper manual reference frequency of input
Adjustable AI1 ports are connected with GND ports by data cable, batcher frequency converter（3）It is provided with including S1, S2, COM tri-
The speed setting controller of wire connection terminal（5）, and S1 is in parallel with S2.
2. the double frequency-changing control systems of batcher according to claim 1, it is characterised in that：The batcher frequency converter（3）
Input signal is arranged to two channel design forms.
3. the double frequency-changing control systems of batcher according to claim 1, it is characterised in that：The speed setting controller（5）'s
When S2 is disconnected, S1 and COM is rotating forward speed governing connection type；Speed setting controller（5）S1 when disconnecting, S2 and COM are reversion speed governing
Connection type.
4. the double frequency-changing control systems of batcher according to claim 1, it is characterised in that：The batcher frequency converter（3）
AI1 ports be batcher motor（4）The adjusting initial voltage pointer range of manual reference frequency of input is：0-10V.
5. the double frequency-changing control systems of batcher according to claim 1, it is characterised in that：The frequency converter of the batcher
（3）Control be arranged to potentiometer control structure form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721646977.6U CN207442728U (en) | 2017-12-01 | 2017-12-01 | A kind of double frequency-changing control systems of batcher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721646977.6U CN207442728U (en) | 2017-12-01 | 2017-12-01 | A kind of double frequency-changing control systems of batcher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207442728U true CN207442728U (en) | 2018-06-01 |
Family
ID=62285385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721646977.6U Expired - Fee Related CN207442728U (en) | 2017-12-01 | 2017-12-01 | A kind of double frequency-changing control systems of batcher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207442728U (en) |
-
2017
- 2017-12-01 CN CN201721646977.6U patent/CN207442728U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180601 Termination date: 20201201 |