CN201848919U - Frequency-conversion agitator - Google Patents
Frequency-conversion agitator Download PDFInfo
- Publication number
- CN201848919U CN201848919U CN2010205673005U CN201020567300U CN201848919U CN 201848919 U CN201848919 U CN 201848919U CN 2010205673005 U CN2010205673005 U CN 2010205673005U CN 201020567300 U CN201020567300 U CN 201020567300U CN 201848919 U CN201848919 U CN 201848919U
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Abstract
The utility model provides a frequency-conversion agitator which comprises an agitation motor, and also comprises a control device and a frequency converter, wherein the control device is used for outputting a speed regulation command according to preset parameters; an input end of the frequency converter is connected with the control device, and an output end of the frequency converter is connected with the agitation motor; and the frequency converter is used for controlling the rotation speed and the rotation direction of the agitation motor through changing a power frequency output to the agitation motor according to the speed regulation command. The rotation speed and the rotation direction of the agitation motor of the frequency-conversion agitator provided by the utility model can be automatically adjusted according to the change of the production matching of concrete, so that the agitation motor is in reasonable and reliable running speed, the energy consumption is reduced and the energy economy is effectively improved.
Description
Technical field
The utility model relates to engineering machinery field, relates to a kind of frequency conversion mixer especially.
Background technology
Because constantly pushing ahead of the urbanization process of China, the application of concrete equipment in engineering constructions such as highway, bridge, urban construction are more and more widely, to the also raising day by day of requirement of mixing plant.Because different concrete proportionings have nothing in common with each other to the load request of stirring host, in order to adapt to various construction environments, the requirement of the VFC of stirring host is also seemed more urgent.
Yet, most main concrete mixer is merely able to according to the power frequency rotation speed operation, any proportioning all keeps the state of full speed running, can make motor load ability surplus during concrete of dilution producing some like this, cause the unnecessary waste of the energy, this direct Starting mode is bigger to motor, electrical network impact simultaneously, shortens the service life of motor, and operating cost is increased.
Therefore, be necessary to provide a kind of mixer, can export corresponding power of agitator, energy savings, the service life of improving motor according to different concrete proportionings with frequency conversion function.
The utility model content
The utility model aims to provide a kind of frequency conversion mixer, can solve that mixer can't carry out speed governing according to concrete proportioning in the prior art, exports corresponding power of agitator, and then causes energy waste, motor short technical problem in service life.
For this reason, the utility model provides a kind of frequency conversion mixer, comprises stirring motor, and it also comprises: control device is used for according to parameter preset output speed-regulating instruction; Frequency converter, its input links to each other with control device, and its output links to each other with stirring motor, is used for according to speed-regulating instruction, and the supply frequency that outputs to stirring motor by change is controlled the rotating speed of stirring motor and is turned to.
Further, control device can comprise: the parameter input is used to import the concrete production proportioning; Data storage is used to store concrete production proportioning and speed-regulating instruction correspondence table; The control instruction output is used for exporting corresponding speed-regulating instruction according to concrete production proportioning and speed-regulating instruction correspondence table.
Further, frequency converter can comprise: the control instruction input, link to each other with the control instruction output of control device, and be used to receive speed-regulating instruction; The speed regulating control output links to each other with stirring motor, is used for to stirring motor output speed-regulating signal.
Further, the control instruction input can comprise: digital signal input end and input end of analog signal.
Further, the quantity of digital signal input end can be 6.
Further, input end of analog signal can comprise given signal input part of frequency and closed signal input.
Further, frequency conversion mixer described in the utility model can also comprise host computer, and the speed regulating control output can comprise: the fault alarm output, link to each other with host computer, and be used for to host computer output failure alarm signal; The state indication output end links to each other with host computer, is used for to host computer output motor work state information.
Further, the speed regulating control output can also comprise the analog signals output, is used for output motor running frequency, curtage.
Further, fault alarm output, state indication output end and analog signals output all can be relay output end.
Further, control device can be the PLC controller, and stirring motor can be squirrel-cage motor.
The utlity model has following technique effect:
The rotating speed of stirring motor and turn to and can automatically adjust according to the variation of concrete production proportioning makes that stirring motor is in rationally, the reliable speed of service, has reduced energy consumption, has effectively improved the economy of energy.
Except purpose feature and advantage described above, the utility model also has other purpose, feature and advantage.Below with reference to accompanying drawings, the utility model is described in further detail.
Description of drawings
Accompanying drawing is used to provide further understanding of the present utility model, constitutes the application's a part, and illustrative examples of the present utility model and explanation thereof are used to explain the utility model, do not constitute improper qualification of the present utility model.In the accompanying drawings:
Fig. 1 is the control flow schematic diagram of the utility model preferred embodiment;
Fig. 2 is the stirring motor power supply schematic diagram of the utility model preferred embodiment;
Fig. 3 is the stirring motor VFC schematic diagram of the utility model preferred embodiment.
The specific embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is elaborated, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
The purpose of this utility model provides the frequency conversion mixer that a kind of stirring energy-conservation, that lower consumption, can adapt to different concrete proportionings requires.
Fig. 1 is the control flow schematic diagram of the utility model preferred embodiment, sees also Fig. 1.Frequency conversion mixer described in the utility model mainly comprises stirring motor 3, for the rotating speed of realizing variable frequency adjustment stirring motor 3 and the purpose that turns to, also comprises control device, is used for according to concrete production proportioning output speed-regulating instruction; Frequency converter 2, its input links to each other with described control device, its output links to each other with described stirring motor, be used for according to speed-regulating instruction, the supply frequency that outputs to stirring motor by change is controlled the rotating speed of stirring motor 3 and is turned to, wherein, control device can be a PLC controller 1, and this stirring motor 3 can adopt stable performance and maintenance-free squirrel-cage motor.
As can be seen from Figure 1, can be provided with one or more parameter inputs on the PLC controller 1, these parameter inputs can be used to import the concrete production proportioning, also can be used to import the Electric Machine Control parameter, such as, can manually or automatically be that frequency converter 2 is selected the suitable method of operation according to information such as concrete production proportioning, motor operating states, select parameters such as analog input, slope rise time as linear V/F control, frequency setting value.Inside at PLC controller 1 can also be provided with data storage, this data storage can be used to store a database table, this database table can be used to store concrete production proportioning and speed-regulating instruction correspondence table, that is to say, after input has been imported a certain concrete production proportioning, the PLC controller just can be according to this proportioning value, find the speed-regulating instruction corresponding by searching above-mentioned correspondence table with this proportioning value, and then control frequency converter 3 output correspondent voltage, electric current, frequency values, and then the rotating speed of control stirring motor 3.In addition, in order to realize and being connected of frequency converter that make speed-regulating instruction flow to frequency converter, PLC controller 1 can also comprise the control instruction output, is used to export corresponding speed-regulating instruction.
Correspondingly, frequency converter 2 can comprise the control instruction input and, wherein, the control instruction input links to each other with the control instruction output of PLC controller 1, is used to receive speed-regulating instruction and relevant control instruction; The speed regulating control output can link to each other with stirring motor 3, is used for to stirring motor 3 output speed-regulating signals.
In order to adapt to the demand of various working, the control instruction input of frequency converter 2 can comprise digital signal input end and input end of analog signal.
Preferably, quantity that can digital signal input end is set to 6, like this, just can generate 2
6Individual control instruction.In actual applications, can be according to concrete working condition, select 3 or 4 digital signal input ends as the signal input part of reality, produce the control corresponding instruction, as long as can satisfy the demand of real work.
Preferably, input end of analog signal can comprise given signal input part of frequency and closed signal input.
In addition, frequency conversion mixer described in the utility model can also include host computer, this host computer can be provided with human-computer interaction interface, and operating personnel can monitor and send in real time control signal corresponding according to this human-computer interaction interface to the running status of stirring motor.Correspondingly, in order to realize mutual with this host computer, the debugging control output of frequency converter can comprise: the fault alarm output, link to each other with host computer, and be used for exporting failure alarm signal to host computer; The state indication output end links to each other with host computer, is used for to host computer output motor work state information.
The speed regulating control output can also comprise the analog signals output, is used for output motor running frequency, curtage, also these frequencies, curtage value can be flowed to host computer, so that operating personnel monitor the operating condition of motor in real time.
In practical work process, can corresponding relays be set at each output of frequency converter 2, by the switch of each relay, realize the output of unlike signal.
Fig. 2 is the stirring motor power supply schematic diagram of the utility model preferred embodiment; Fig. 3 is the stirring motor VFC schematic diagram of the utility model preferred embodiment, below in conjunction with Fig. 2 and Fig. 3 frequency conversion mixer described in the utility model is described.
As a preferred embodiment, frequency converter 2 can have more than ten control terminal, can be divided into 4 classes: input signal terminal, frequency simulation are set terminal, are monitored terminal and communication terminal.Wherein, LI1～LI6 is digital input end, generally is used for the frequency converter external control, and its concrete function can be provided with according to gear, the function of mixer.For example, can finish to the rotating of motor control, reset, control operation A01/COM ends such as multistage speed setting, crawl are input end of analog signal, can be used as the input of given signal of frequency or closed signal.
The effect of output signal is the indication to the frequency converter running status, or provides these information to host computer.R1A, R1B, R1C are relay output, and its function can be set at fault alarm, state indication etc.Analog quantity 0～20MA signal be can increase in addition and the current running frequency of output indication, electric current (belonging to output signal) are used for.
Before stirring motor is carried out frequency control, need at first to frequency converter programming and modification parameter, select the function of terminal, frequency converter L1, L2, L3, L4 can be set to respectively high frequency (startup) (50HZ), first intermediate frequency (45HZ), second intermediate frequency (40HZ), low frequency (35HZ).According to the method for operation that concrete production proportioning (or manually given) changes, the motor operating state selection is suitable, select parameters such as analog input, slope rise time as linear V/F control, frequency setting value, adjust the operating frequency of frequency converter, press the control end of set position frequency converter by the PLC controller, power output end by frequency converter links to each other with motor, the control motor rotation.
KA8.43～KA8.46 is relay output.According to concrete mix, revise frequency parameter (but also manual modification) automatically by host computer, be sent to slave computer, the output module by the PLC controller drives corresponding relay then, and the control frequency converter starts.Simultaneously frequency converter is set the terminal feedback frequency signal by analog frequency, as the PLC controller of slave computer by the collection of analog quantity input module and be converted to frequency information and in host computer, show.
The above is a preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (10)
1. a frequency conversion mixer comprises stirring motor, it is characterized in that, also comprises:
Control device is used for according to parameter preset output speed-regulating instruction;
Frequency converter, its input links to each other with described control device, and its output links to each other with described stirring motor, is used for according to described speed-regulating instruction, and the supply frequency that outputs to stirring motor by change is controlled the rotating speed of described stirring motor and is turned to.
2. frequency conversion mixer according to claim 1 is characterized in that, described control device comprises:
The parameter input is used to import the concrete production proportioning;
Data storage is used to store concrete production proportioning and speed-regulating instruction correspondence table;
The control instruction output is used for exporting corresponding speed-regulating instruction according to described concrete production proportioning and speed-regulating instruction correspondence table.
3. frequency conversion mixer according to claim 2 is characterized in that, described frequency converter comprises:
The control instruction input links to each other with the described control instruction output of described control device, is used to receive described speed-regulating instruction;
The speed regulating control output links to each other with described stirring motor, is used for to described stirring motor output speed-regulating signal.
4. frequency conversion mixer according to claim 3 is characterized in that, described control instruction input comprises: digital signal input end and input end of analog signal.
5. frequency conversion mixer according to claim 4 is characterized in that, the quantity of described digital signal input end is 6.
6. frequency conversion mixer according to claim 4 is characterized in that, described input end of analog signal comprises given signal input part of frequency and closed signal input.
7. frequency conversion mixer according to claim 3 is characterized in that, also comprises host computer, and described speed regulating control output comprises:
The fault alarm output links to each other with described host computer, is used for to described host computer output failure alarm signal;
The state indication output end links to each other with described host computer, is used for to described host computer output motor work state information.
8. frequency conversion mixer according to claim 7 is characterized in that, described speed regulating control output also comprises the analog signals output, is used for output motor running frequency, curtage.
9. frequency conversion mixer according to claim 8 is characterized in that, described fault alarm output, described state indication output end and described analog signals output are relay output end.
10. according to each described frequency conversion mixer in the claim 1 to 9, it is characterized in that described control device is the PLC controller, described stirring motor is a squirrel-cage motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205673005U CN201848919U (en) | 2010-10-19 | 2010-10-19 | Frequency-conversion agitator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205673005U CN201848919U (en) | 2010-10-19 | 2010-10-19 | Frequency-conversion agitator |
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| Publication Number | Publication Date |
|---|---|
| CN201848919U true CN201848919U (en) | 2011-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205673005U Expired - Lifetime CN201848919U (en) | 2010-10-19 | 2010-10-19 | Frequency-conversion agitator |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102416670A (en) * | 2011-11-23 | 2012-04-18 | 中联重科股份有限公司 | Stirring station and its control equipment and control method |
| CN102806037A (en) * | 2012-08-21 | 2012-12-05 | 宣城银明汽车部件制造有限公司 | Portable variable frequency speed-regulation multifunctional stirring machine |
| CN103786259A (en) * | 2014-02-14 | 2014-05-14 | 上海三一重机有限公司 | Rotating speed adaptive frequency conversion control system and method for concrete mixer |
| CN104147956A (en) * | 2014-08-27 | 2014-11-19 | 梧州市旺捷机械制造有限公司 | Stirring machine |
| CN105437372A (en) * | 2014-08-22 | 2016-03-30 | 中联重科股份有限公司 | Control method and apparatus of mixing drum of concrete mixing transport truck |
| CN105643802A (en) * | 2014-11-14 | 2016-06-08 | 中联重科股份有限公司 | Mixing drum speed monitoring method and equipment and mixing truck |
| CN106626065A (en) * | 2016-11-11 | 2017-05-10 | 唐健发 | Concrete stirrer |
| CN107263707A (en) * | 2017-08-02 | 2017-10-20 | 合肥大源建筑装饰工程有限公司 | A kind of concrete mixing machine |
| CN108237086A (en) * | 2016-12-27 | 2018-07-03 | 越艳 | A kind of equipment about winnowing machine |
| CN111452220A (en) * | 2020-05-25 | 2020-07-28 | 郑州水工机械有限公司 | Environment-friendly fine-quality sand making building control system |
-
2010
- 2010-10-19 CN CN2010205673005U patent/CN201848919U/en not_active Expired - Lifetime
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102416670B (en) * | 2011-11-23 | 2013-03-13 | 中联重科股份有限公司 | Stirring station and its control equipment and control method |
| CN102416670A (en) * | 2011-11-23 | 2012-04-18 | 中联重科股份有限公司 | Stirring station and its control equipment and control method |
| CN102806037B (en) * | 2012-08-21 | 2015-02-11 | 宣城银明汽车部件制造有限公司 | Portable variable frequency speed-regulation multifunctional stirring machine |
| CN102806037A (en) * | 2012-08-21 | 2012-12-05 | 宣城银明汽车部件制造有限公司 | Portable variable frequency speed-regulation multifunctional stirring machine |
| CN103786259A (en) * | 2014-02-14 | 2014-05-14 | 上海三一重机有限公司 | Rotating speed adaptive frequency conversion control system and method for concrete mixer |
| CN105437372A (en) * | 2014-08-22 | 2016-03-30 | 中联重科股份有限公司 | Control method and apparatus of mixing drum of concrete mixing transport truck |
| CN105437372B (en) * | 2014-08-22 | 2018-09-28 | 中联重科股份有限公司 | A kind of control method and device of the mixing drum of concrete mixing and transporting car |
| CN104147956A (en) * | 2014-08-27 | 2014-11-19 | 梧州市旺捷机械制造有限公司 | Stirring machine |
| CN105643802A (en) * | 2014-11-14 | 2016-06-08 | 中联重科股份有限公司 | Mixing drum speed monitoring method and equipment and mixing truck |
| CN105643802B (en) * | 2014-11-14 | 2017-12-26 | 中联重科股份有限公司 | A kind of mixing drum speed monitoring method, equipment and trucd mixer |
| CN106626065A (en) * | 2016-11-11 | 2017-05-10 | 唐健发 | Concrete stirrer |
| CN108237086A (en) * | 2016-12-27 | 2018-07-03 | 越艳 | A kind of equipment about winnowing machine |
| CN107263707A (en) * | 2017-08-02 | 2017-10-20 | 合肥大源建筑装饰工程有限公司 | A kind of concrete mixing machine |
| CN111452220A (en) * | 2020-05-25 | 2020-07-28 | 郑州水工机械有限公司 | Environment-friendly fine-quality sand making building control system |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 410205 Zhonglian Science Park, No. 361 South Bank Road, Hunan, Changsha Patentee after: Zoomlion Heavy Industry Science & Technology Development Co., Ltd. Address before: 410205 Zhonglian Science Park, No. 361 South Bank Road, Hunan, Changsha Patentee before: Chang Sha Zoomlion Heavy Industry Science & Technology Development Co., Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20110601 |
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| CX01 | Expiry of patent term |