CN204928633U - Many many gears of motor controlling means - Google Patents
Many many gears of motor controlling means Download PDFInfo
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- CN204928633U CN204928633U CN201520664321.1U CN201520664321U CN204928633U CN 204928633 U CN204928633 U CN 204928633U CN 201520664321 U CN201520664321 U CN 201520664321U CN 204928633 U CN204928633 U CN 204928633U
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- many
- contactor
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Abstract
The utility model provides a many many gears of motor controlling means. Many many gears of motor controlling means includes PLC, converter, contactor group, generator system, speed governing module and many gears control module. The converter with PLC is connected. The generator system passes through contactor group with the converter is connected. The speed governing module with the generator system is connected. Many gears control module with PLC is connected, just many gears control module with the contactor in group becomes the electric connection. The utility model discloses a many many gears of motor controlling means is with low costs, realize easily that run -in synchronism and energy consumption are low.
Description
Technical field
The utility model relates to multi_motor control field, is specifically related to the many shift-position control apparatus of a kind of many motors.
Background technology
AC asynchronous motor, with its reliable and stable runnability and very good economical operation performance, is widely deployed in the every field of light industry industry.In light industry equipment, for some automation production flow line, need to carry out many grades of Synchronization Control to many motors.
In existing control method, in order to make control wiring simple, a frequency converter is usually used to control gear group of motors more than specially; Also just said that how many group of motors just must be equipped with how many frequency converters.There is following defect in this method: very wastes resource, and device fabrication cost is high, and for the equipment that power system capacity is large, its high cost is difficult to bear; Running speed between different group of motors there are differences, and is difficult to realize run-in synchronism; In system, parts are many, cause whole system energy consumption high.
Therefore, be necessary to provide a kind of new control device to overcome above-mentioned technical problem.
Utility model content
There is to solve the many shift-position control apparatus of above-mentioned many motors the technical problem that cost is high, run-in synchronism is difficult and energy consumption is high, the utility model provide a kind of cost low, be easy to realize run-in synchronism and the relatively low many shift-position control apparatus of many motors of energy consumption.
The utility model provides the many shift-position control apparatus of a kind of many motors, its objective is and like this to realize: the many shift-position control apparatus of a kind of multimachine comprise PLC, frequency converter, contactor group, group of motors, speed adjusting module and many gears control module, described frequency converter is connected with described PLC, described group of motors is connected with described frequency converter by described contactor group, described speed adjusting module is connected with described group of motors, described many gears control module is connected with described PLC, and described many gears control module and described contactor group electrically connect.
Preferably, described many gears control module comprises multiple control unit, and described control unit is connected with described PLC.
Preferably, be connected in parallel between described multiple control unit.
Preferably, each control unit comprises controller and at least two relays be connected in parallel, and described relay and described controller are formed and electrically connect.
Preferably, described contactor group comprises multiple contactor, and described contactor and described control unit one_to_one corresponding are formed and electrically connect.
Preferably, described group of motors comprises multiple motor, and described motor is connected with described contactor one_to_one corresponding.
Preferably, described motor is connected with described speed adjusting module.
Preferably, described speed adjusting module comprises transducer and rotational speed governor, and described transducer and described rotational speed governor electrically connect.
Compared to prior art, the many shift-position control apparatus of many motors that the utility model provides control multiple electric motors by employing frequency converter simultaneously, make more easily to realize synchronously between each motor, improve the synchronization accuracy of electric machine assembly, decrease the use of frequency converter, reduce the production cost of equipment.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the many shift-position control apparatus of many motors of the present utility model;
Fig. 2 is the schematic diagram of many grades of control modules of the many shift-position control apparatus of many motors of the present utility model.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only a part of embodiment of the present utility model, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making other embodiments all obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Referring to Fig. 1, is the schematic diagram of the many shift-position control apparatus of many motors that the utility model provides.The many shift-position control apparatus 1 of many motors comprise programmable logic controller (PLC) 11 (ProgrammableLogicController, PLC), frequency converter 12, contactor group 13, group of motors 14, speed adjusting module 15 and many gears control module 16.Frequency converter 12 is connected with PLC11; Group of motors 14 is connected with frequency converter 12 by contactor group 13; Speed adjusting module 15 is connected with group of motors 14; Many gears control module 16 is connected with PLC11, and many gears control module 16 and contactor group 13 are formed and electrically connect.
Contactor group 13 comprises the first contactor 131, second contactor 132 and the 3rd contactor 133, first contactor 131, second contactor 132 and the parallel connection of the 3rd contactor 133 and accesses frequency converter 12.In the present embodiment, contactor group 13 can comprise multiple contactor, in the present embodiment, chooses that to comprise 3 contactors be preferred embodiment, in fact, in other execution mode of the utility model, also can select other quantity.
Group of motors 14 comprises the first motor 141, second motor 142 and the 3rd motor 143, first motor 141, second motor 142 and the 3rd motor 143 are connected with the first contactor 131, second contactor 132 and the 3rd contactor 133 respectively, and each contactor controls startup and the stopping of corresponding series electric motor respectively.
Speed adjusting module 15 comprises transducer 151 and rotational speed governor 152, first motor 141, second motor 142 and the 3rd motor 143 parallel connection access speed adjusting module 15, transducer 151 is for detecting the running speed of each motor, when each motor speed is inconsistent, rotational speed governor 152 controls the rotating speed of each motor, makes each motor keep synchronous.
Referring to Fig. 2, is the schematic diagram of many grades of control modules of the many shift-position control apparatus of many motors of the present utility model.Many grades of control modules 16 comprise the first control unit 161, second control unit 162 and the 3rd control unit 163, first control unit 161, second control unit 162 and the 3rd control unit 163 and are formed with the first contactor 131, second contactor 132 and the 3rd contactor 133 respectively and electrically connect.
First control unit 161 comprises controller 1611, low-grade relay 162, middle-grade relay 1613 and high-grade relay 1614, controller 1611 is for controlling adhesive and the disconnection of each gear relay, relay is used for the coil of control contactor, realizes the control to motor.When the first motor 141 needs to be switched to middle-grade rotating speed from high-grade rotating speed, controller 1611 controls high-grade relay 1614 and disconnects, and controls the adhesive of middle-grade relay 1613 simultaneously, thus realizes the switching of gear.Same, the second control unit 162 and the 3rd control unit 163 also have with the identical structure of the first control unit 161 and effect, do not repeat one by one.The relay of each control unit can comprise multiple, chooses the requirement of motor gear according in actual production.
The many shift-position control apparatus of many motors 1 that the utility model provides have following beneficial effect:
One, control multiple electric motors by employing frequency converter 12 simultaneously, make more easily to realize synchronously between each motor, improve the synchronization accuracy of group of motors 14, decrease the use of frequency converter 12, reduce the production cost of equipment.
Two, by adding many gears control module 16, under guaranteeing that each motor has many gears run-in synchronism function prerequisite, the complexity of system is simplified.
Three, by Control contactor, ensure that each group of motors safely and steadily runs, avoid because a multiple motor of Frequency Converter Control affects the behavior in service of each motor.
Four, by adopting speed adjusting module 15, can be monitored the rotating speed of every platform motor by transducer 151, when motor speed is inconsistent, rotational speed governor 152 can control group of motors 14, ensures that each motor speed is synchronous.
Five, by reducing the use parts of the many shift-position control apparatus 1 of many motors, reducing the energy consumption of whole system, saving the cost in production process further.
The foregoing is only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model specification and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present utility model.
Claims (8)
1. the many shift-position control apparatus of motor more than a kind, it is characterized in that, comprise PLC, frequency converter, contactor group, group of motors, speed adjusting module and many gears control module, described frequency converter is connected with described PLC, described group of motors is connected with described frequency converter by described contactor group, described speed adjusting module is connected with described group of motors, and described many gears control module is connected with described PLC, and described many gears control module and described contactor group electrically connect.
2. the many shift-position control apparatus of many motors according to claim 1, is characterized in that, described many gears control module comprises multiple control unit, and described control unit is connected with described PLC.
3. the many shift-position control apparatus of many motors according to claim 2, is characterized in that, are connected in parallel between described multiple control unit.
4. the many shift-position control apparatus of many motors according to claim 3, is characterized in that, each control unit comprises controller and at least two relays be connected in parallel, and described relay and described controller are formed and electrically connect.
5. the many shift-position control apparatus of many motors according to claim 4, is characterized in that, described contactor group comprises multiple contactor, and described contactor and described control unit one_to_one corresponding are formed and electrically connect.
6. the many shift-position control apparatus of many motors according to claim 5, it is characterized in that, described group of motors comprises multiple motor, and described motor is connected with described contactor one_to_one corresponding.
7. the many shift-position control apparatus of many motors according to claim 6, it is characterized in that, described motor is connected with described speed adjusting module.
8. the many shift-position control apparatus of many motors according to claim 7, it is characterized in that, described speed adjusting module comprises transducer and rotational speed governor, and described transducer and described rotational speed governor electrically connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520664321.1U CN204928633U (en) | 2015-08-31 | 2015-08-31 | Many many gears of motor controlling means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520664321.1U CN204928633U (en) | 2015-08-31 | 2015-08-31 | Many many gears of motor controlling means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204928633U true CN204928633U (en) | 2015-12-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520664321.1U Expired - Fee Related CN204928633U (en) | 2015-08-31 | 2015-08-31 | Many many gears of motor controlling means |
Country Status (1)
| Country | Link |
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| CN (1) | CN204928633U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109655354A (en) * | 2018-12-04 | 2019-04-19 | 北京工业大学 | Multi-functional ring shear apparatus |
-
2015
- 2015-08-31 CN CN201520664321.1U patent/CN204928633U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109655354A (en) * | 2018-12-04 | 2019-04-19 | 北京工业大学 | Multi-functional ring shear apparatus |
| CN109655354B (en) * | 2018-12-04 | 2024-05-03 | 北京工业大学 | Multifunctional ring shearing instrument |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 410009, No. two, section 300, South Second Ring Road, Tianxin District, Hunan, Changsha Patentee after: Hunan Inst Of Electrical Appliance Science Address before: 410009, No. two, section 300, South Second Ring Road, Tianxin District, Hunan, Changsha Patentee before: Hunan Electrical Apparatus Testing Institute |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151230 Termination date: 20170831 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |