CN204206054U - A kind of frequency-changing control system of work position rotation table - Google Patents
A kind of frequency-changing control system of work position rotation table Download PDFInfo
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- CN204206054U CN204206054U CN201420627848.2U CN201420627848U CN204206054U CN 204206054 U CN204206054 U CN 204206054U CN 201420627848 U CN201420627848 U CN 201420627848U CN 204206054 U CN204206054 U CN 204206054U
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- frequency
- control system
- changing control
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- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a kind of frequency-changing control system of work position rotation table, and described work position rotation table is provided with the corresponding motor in order to drive it to operate.Described frequency-changing control system comprises frequency converter, PLC, grating sensor, in order to control electromotor brake that described motor opens/stop, contactor K1, relay K 2 and respectively in order to the real-time status of described contactor K1 and relay K 2 to be fed back to K1 auxiliary contact and the K2 auxiliary contact of described PLC, described electromotor brake and contactor K1 are connected with outside 24VDC power supply and form independent brake circuit.Adopt the utility model frequency-changing control system, the power supply of electromotor brake can be avoided to rely on frequency converter supply completely, and then cause the damage of frequency converter, extend frequency converter useful life, reduce maintenance cost.
Description
Technical field
The utility model relates to a kind of frequency-changing control system, particularly a kind of frequency-changing control system of work position rotation table.
Background technology
Existing technical controlling mode is that the main power source of electromotor brake directly supplies from frequency converter, because electromotor brake needs larger energy, and the power supply of frequency converter inside holds and can't stand the long-term higher load condition of electromotor brake, after frequency converter runs a period of time, the brake control system of frequency converter inside is easy to infringement and impact is produced.Can solve by changing this control mode the problem affecting production because of the infringement of frequency converter brake circuit, the cost of maintenance and purchase frequency converter can be reduced again.
Therefore, the frequency-changing control system that a kind of new work position rotation table is provided is necessary.
Utility model content
The utility model object is the frequency-changing control system providing a kind of new work position rotation table, the power supply of electromotor brake can be avoided to rely on frequency converter supply completely, and then cause the damage of frequency converter, extends frequency converter useful life, reduces maintenance cost.
For achieving the above object, the utility model provides a kind of frequency-changing control system of new work position rotation table, and described work position rotation table is provided with the corresponding motor in order to drive it to operate.Described frequency-changing control system comprise frequency converter, PLC, grating sensor, in order to control electromotor brake that described motor opens/stop, contactor K1, relay K 2 and respectively in order to the real-time status of described contactor K1 and relay K 2 to be fed back to K1 auxiliary contact and the K2 auxiliary contact of described PLC.Described grating sensor be connected with described PLC with by the status information feedback of work position rotation table to PLC, described PLC provides the open/close instruction of contactor K1 according to described grating sensor feedack, described K1 auxiliary contact by contactor K1 status information feedback to PLC, described PLC provides the open/close instruction of relay K 2 according to the state information of described contactor K1, the state information that described PLC is fed back according to K2 auxiliary contact sends to described frequency converter the running that command adapted thereto controls described motor, described electromotor brake and contactor K1 are connected with external power source and form independent brake circuit.
As further improvement of the utility model, what described brake circuit connected is outside 24VDC power supply.
As further improvement of the utility model, described PLC is equipped with Profibus-DP interface to described frequency converter and realizes corresponding handshaking.
As further improvement of the utility model, described frequency-changing control system comprises two relay K 2 of series connection mutually and corresponding K2 auxiliary contact.
As further improvement of the utility model, described frequency-changing control system also comprises the main power switch F6 in order to the outside 380V three phase mains of conducting.
The beneficial effects of the utility model are: adopt the utility model frequency-changing control system, the power supply of electromotor brake can be avoided to rely on frequency converter supply completely, and then cause the damage of frequency converter, extend frequency converter useful life, reduce maintenance cost.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of the utility model frequency-changing control system;
Fig. 2 is the operation principle schematic diagram of the utility model frequency-changing control system.
Embodiment
Below with reference to execution mode shown in the drawings, the utility model is described in detail.But this execution mode does not limit the utility model, the structure that those of ordinary skill in the art makes according to this execution mode, method or conversion functionally are all included in protection range of the present utility model.
Be illustrated in figure 1 frequency-changing control system 100 circuit diagram of the utility model for work position rotation table, described work position rotation table is provided with the corresponding motor 3M in order to drive it to operate.Described frequency-changing control system 100 comprise frequency converter A COPOS, PLC, grating sensor, in order to control electromotor brake Brake, contactor K1 that described motor 3M opens/stop, relay K 2 and respectively in order to the real-time status of described contactor K1 and relay K 2 to be fed back to K1 auxiliary contact and the K2 auxiliary contact of described PLC.
Referring to Fig. 1 and Fig. 2, described grating sensor be connected with described PLC communication with by the status information feedback of work position rotation table to PLC, described PLC provides the open/close instruction of contactor K1 according to described grating sensor feedack, described K1 auxiliary contact by contactor K1 status information feedback to PLC, described PLC provides the open/close instruction of relay K 2 according to the state information of described contactor K1, relay K 2 state information that described PLC is fed back according to K2 auxiliary contact sends to described frequency converter A COPOS the running that command adapted thereto controls described motor 3M.Described electromotor brake Brake and contactor K1 is connected with outside 24VDC power supply and forms independent brake circuit.
As shown in Figure 2, when described grating sensor feedback security loop is normal, described PLC output signal makes contactor K1 obtain electric adhesive, electromotor brake Brake opens, the real-time status of contactor K1 is fed back to PLC by K1 auxiliary contact simultaneously, and PLC output signal makes relay K 2 disconnect, and safety return circuit is forbidden removing, PLC output enable signal, described frequency converter A COPOS operates according to the direction signal drive motor 3M that PLC is given.Wherein, relay K 2 obtains electric adhesive in the abnormal situation of safety return circuit.
Described PLC is equipped with Profibus-DP interface to described frequency converter A COPOS and realizes corresponding handshaking by data wire, and the direction signal that motor 3M operates sends frequency converter A COPOS by PLC to through Profibus-DP interface.
Described frequency-changing control system 100 also comprises main power switch F6, and described frequency converter A COPOS is connected with outside three phase mains 380V by described main power switch F6.
In present embodiment; the brake circuit of motor 3M is powered by frequency converter A COPOS before and is changed outside 24VDC separately into and power; controlling to forbid that the relay K 2 using two width often to open in loop is connected at frequency converter A COPOS, is the security reliability in order to strengthen described frequency-changing control system further, prevents a secondary K2 auxiliary contact sudden failure and the safeguard measure that increases.
In sum, adopt the utility model frequency-changing control system 100, the power supply of electromotor brake Brake can be avoided to rely on frequency converter A COPOS supply completely, and then cause the damage of frequency converter A COPOS, extend frequency converter A COPOS useful life, reduce maintenance cost.
Be to be understood that, although this specification is described according to execution mode, but not each execution mode only comprises an independently technical scheme, this narrating mode of specification is only for clarity sake, those skilled in the art should by specification integrally, technical scheme in each execution mode also through appropriately combined, can form other execution modes that it will be appreciated by those skilled in the art that.
A series of detailed description listed is above only illustrating for feasibility execution mode of the present utility model; they are also not used to limit protection range of the present utility model, all do not depart from the utility model skill equivalent implementations of doing of spirit or change all should be included within protection range of the present utility model.
Claims (5)
1. the frequency-changing control system of a work position rotation table, described work position rotation table is provided with the corresponding motor in order to drive it to operate, it is characterized in that: described frequency-changing control system comprises frequency converter, PLC, grating sensor, in order to control the electromotor brake that described motor opens/stops, contactor K1, relay K 2 and respectively in order to the real-time status of described contactor K1 and relay K 2 to be fed back to K1 auxiliary contact and the K2 auxiliary contact of described PLC, described grating sensor be connected with described PLC with by the status information feedback of work position rotation table to PLC, described PLC provides the open/close instruction of contactor K1 according to described grating sensor feedack, described K1 auxiliary contact by contactor K1 status information feedback to PLC, described PLC provides the open/close instruction of relay K 2 according to the state information of described contactor K1, the state information that described PLC is fed back according to K2 auxiliary contact sends to described frequency converter the running that command adapted thereto controls described motor, described electromotor brake and contactor K1 are connected with external power source and form independent brake circuit.
2. frequency-changing control system according to claim 1, is characterized in that: what described brake circuit connected is outside 24VDC power supply.
3. frequency-changing control system according to claim 1, is characterized in that: described PLC is equipped with Profibus-DP interface to described frequency converter and realizes corresponding handshaking.
4. frequency-changing control system according to claim 1, is characterized in that: described frequency-changing control system comprises two relay K 2 of series connection mutually and corresponding K2 auxiliary contact.
5. frequency-changing control system according to claim 1, is characterized in that: described frequency-changing control system also comprises the main power switch F6 in order to the outside 380V three phase mains of conducting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420627848.2U CN204206054U (en) | 2014-10-28 | 2014-10-28 | A kind of frequency-changing control system of work position rotation table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420627848.2U CN204206054U (en) | 2014-10-28 | 2014-10-28 | A kind of frequency-changing control system of work position rotation table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204206054U true CN204206054U (en) | 2015-03-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420627848.2U Expired - Fee Related CN204206054U (en) | 2014-10-28 | 2014-10-28 | A kind of frequency-changing control system of work position rotation table |
Country Status (1)
| Country | Link |
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| CN (1) | CN204206054U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108788429A (en) * | 2017-05-03 | 2018-11-13 | 中国科学院沈阳自动化研究所 | A kind of vehicle side welding and assembling production lines control system |
| CN109164772A (en) * | 2018-09-29 | 2019-01-08 | 安徽理工大学 | Flame-proof type level Four band conveys the more Can plate centralized control equipment control methods of multi-touch screen |
-
2014
- 2014-10-28 CN CN201420627848.2U patent/CN204206054U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108788429A (en) * | 2017-05-03 | 2018-11-13 | 中国科学院沈阳自动化研究所 | A kind of vehicle side welding and assembling production lines control system |
| CN109164772A (en) * | 2018-09-29 | 2019-01-08 | 安徽理工大学 | Flame-proof type level Four band conveys the more Can plate centralized control equipment control methods of multi-touch screen |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150311 Termination date: 20161028 |