CN203732922U - Electronic cam control system with extensible IO - Google Patents
Electronic cam control system with extensible IO Download PDFInfo
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- CN203732922U CN203732922U CN201420043932.XU CN201420043932U CN203732922U CN 203732922 U CN203732922 U CN 203732922U CN 201420043932 U CN201420043932 U CN 201420043932U CN 203732922 U CN203732922 U CN 203732922U
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- 230000003993 interaction Effects 0.000 claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 230000008878 coupling Effects 0.000 claims description 11
- 238000010168 coupling process Methods 0.000 claims description 11
- 238000005859 coupling reaction Methods 0.000 claims description 11
- 238000004891 communication Methods 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 230000011664 signaling Effects 0.000 claims description 3
- 238000002955 isolation Methods 0.000 description 7
- 238000001514 detection method Methods 0.000 description 6
- 238000004080 punching Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000001427 coherent effect Effects 0.000 description 2
- 238000013500 data storage Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000006855 networking Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Abstract
The utility model discloses an electronic cam control system with an extensible IO. The system comprises a signal acquisition unit, a control output unit, a cam control unit, an IO extension unit and a human-computer interaction unit; the signal acquisition unit comprises a tonnage meter and a rotation controller, the control output unit comprises a clutch and a cam drive mechanism; the cam drive mechanism and a cam are connected by the clutch; the cam control unit comprises a main controller; the IO expansion unit comprises an input extension module and an output extension module, the input extension module and the output extension module are respectively connected with the main controller through a high-speed bus; the main controller is connected with a rotation transformer to obtain a position signal, and is connected with the tonnage meter to get a tonnage signal; the main controller controls the clutch to be engaged or separated so as to control the cam drive mechanism to drive the cam to move; and the human-computer interaction unit is connected with the main controller through an RS485. In the utility model, the IO port can be extended, the flexible programming is convenient, and the reliability of controlling the cam motion is improved.
Description
Technical field
The utility model relates in machining computer controlled automatic field, the electric cam control technology of punching machine, particularly a kind of electronic cam control system of expanding IO.
Background technology
Traditional electric cam is made up of main control chip, angle acquisition module and fixing input/output port, and in using at the scene, having input/output port can not expand, and lacks the shortcoming of flexibility programming.Complicated operation, lacks friendly man-machine interface simultaneously, can not meet efficient, the safe requirement of punching production.Therefore urgently a kind of specially for the electronic cam control system of the expanded IO of punching machine.
Summary of the invention
The purpose of this utility model is that the electronic cam control system of a kind of IO of expansion is provided for the defect of prior art.
For achieving the above object, the technical scheme that the utility model is taked is specially:
Expand an electronic cam control system of IO, comprise signal gathering unit, control output unit, cam control module, IO expanding element and man-machine interaction unit; Signal gathering unit comprises tonnage instrument, Rotation Controllers, controls output unit and comprises clutch coupling, cam drive mechanism, between cam drive mechanism and cam, is connected by clutch coupling;
Cam control module comprises master controller; IO expanding element comprises input expansion module and output expansion module, and wherein the output terminal of input expansion module connects the input port of master controller by high-speed bus, and the input end of output expansion module connects the output port of master controller by high-speed bus; The input port of master controller also comprises the position signalling input end that connects rotary transformer output terminal, with the tonnage signal input part that is connected tonnage instrument output terminal; The output port of master controller also comprises the motion control signal output terminal that connects clutch coupling; Man-machine interaction unit connects master controller by RS485.
In the utility model, master controller gathers cam position and other coherent signal by tonnage instrument, Rotation Controllers etc., and according to the adhesive of the signal controlling clutch coupling collecting with separate, thereby realize the control to machine tooling work.In IO expanding element, input expansion module can be used for being connected master controller and other functional module except tonnage instrument, Rotation Controllers with output expansion module, as correspondence is installed on the various sensor assemblies etc. of diverse location in electric cam working environment, master controller contributes to realize to the more accurate control reliably of electric cam with reference to these signals.
In IO expanding element of the present utility model, input expansion module can adopt existing light-coupled isolation input circuit, is responsible for the Real-time Collection of external expansion module access signal and is uploaded to master controller; Output expansion module can adopt existing light-coupled isolation output circuit, is responsible for the order of real-time response master controller and refreshes in real time and the state of external expansion module link.Each input expansion module, output expansion module respectively have one different No. ID, before system powers on, arrange by toggle switch, can realize master controller and in the time powering on, carry out each input expansion module and the detection of exporting expansion module.
Master controller described in the utility model adopts existing STM32F205ZX chip, and selecting its system clock is 120MHz, and the control cycle that system is set is 1ms.Main control module can complete the motion control, warning, cam output, mould monitoring, tonnage detection of the port status collection of load module, port status output, the angle acquisition of controlling output module, analog input collection, lathe etc. in 1ms control cycle.Simultaneously master controller completes, system diagnostics configurable by data interaction, the storage of parameter, the IO port function of RS485 and man-machine interaction unit, system power on networking, power failure data storage and program management.
Further, in the utility model, connecting IO expanding element is that RS485 serial ports is connected with the high-speed bus form of master controller, has noise proof feature better, the advantage that transfer rate is higher.In addition also can adopt CAN bus form.
In addition, also comprise controller peripheral circuit, controller peripheral circuit comprises the power supply status indicating circuit and the communication state indicating circuit that connect respectively master controller output port, in power supply status indicating circuit and communication state indicating circuit, be respectively equipped with led pilot lamp, can be used for to the duty of field personnel's indication mechanism.
The beneficial effects of the utility model are, human-computer interaction interface and master controller adopt RS485 master-slave mode to carry out communication, make human-computer interaction interface become user and the mutual window of cam control system, can easily realize that parameter setting, state show and alarm indication etc.User can, by human-computer interaction interface to master controller input system parameter, ensure the reliability of cam control.Can utilize existing software engineering to divide AM/BAM task to the master controller operating system of the utility model cam control module, task high requirement of real-time is put into foreground and carry out, the tasks such as data processing are put into backstage and carry out simultaneously.Master controller gathers exterior angle, voltage, IO signal, realizes electric cam, tonnage detection, the functions such as output of reporting to the police.IO expanding element is regularly reported to the signal condition of respective signal module in cam control module by high-speed bus, and main control can be carried out according to different I/O state the motion control of cam.
Brief description of the drawings
Figure 1 shows that the utility model system architecture schematic block diagram.
Embodiment
Further describe below in conjunction with the drawings and specific embodiments.
As shown in Figure 1, a kind of specific embodiment of the present utility model is: can expand the electronic cam control system of IO, comprise signal gathering unit, control output unit, cam control module, IO expanding element 1 and man-machine interaction unit; Signal gathering unit comprises tonnage instrument, Rotation Controllers, controls output unit and comprises clutch coupling, cam drive mechanism, between cam drive mechanism and cam, is connected by clutch coupling; Cam control module comprises master controller; IO expanding element 1 comprises input expansion module and output expansion module, and wherein the output terminal of input expansion module connects the input port of master controller by high-speed bus, and the input end of output expansion module connects the output port of master controller by high-speed bus; The input port of master controller also comprises the position signalling input end that connects rotary transformer output terminal, with the tonnage signal input part that is connected tonnage instrument output terminal; The output port of master controller also comprises the motion control signal output terminal that connects clutch coupling; Man-machine interaction unit connects master controller by RS485.
In the utility model, master controller gathers cam position and other coherent signal by tonnage instrument, Rotation Controllers etc., and according to the adhesive of the signal controlling clutch coupling collecting with separate, thereby realize the control to machine tooling work.In IO expanding element, input expansion module can be used for being connected master controller and other functional module except tonnage instrument, Rotation Controllers with output expansion module, as correspondence is installed on the various sensor assemblies etc. of diverse location in electric cam working environment, master controller contributes to realize to the more accurate control reliably of electric cam with reference to these signals.
In embodiment shown in Fig. 1, in cam control module, master controller adopts existing STM32F205ZX chip, and selecting its system clock is 120MHz, and the control cycle that system is set is 1ms.Main control module can complete the motion control, warning, cam output, mould monitoring, tonnage detection of the port status collection of load module, port status output, the angle acquisition of controlling output module, analog input collection, lathe etc. in 1ms control cycle.Simultaneously master controller completes, system diagnostics configurable by data interaction, the storage of parameter, the IO port function of RS485 and man-machine interaction unit, system power on networking, power failure data storage and program management.
In IO expanding element, light-coupled isolation input, output circuit are respectively arranged with 20 tunnels: light-coupled isolation input circuit is responsible for the Real-time Collection of external expansion module incoming end signal condition and is uploaded to master controller, the order of light-coupled isolation output circuit real-time response master controller and refreshing in real time and the state of external expansion module link signal.Each light-coupled isolation input, output circuit respectively have one different No. ID, before system powers on, arrange by toggle switch, can realize master controller and in the time powering on, carry out the detection to each light-coupled isolation input, output module.The input port of master controller comprises the signal input port that 1 tunnel connects rotary transformer, and 2 tunnels connect the signal input port of tonnage instrument, and connects the RS485 communication port of man-machine interaction unit.
In the utility model, connecting IO expanding element is that RS485 serial ports is connected with the high-speed bus form of master controller, has noise proof feature better, the advantage that transfer rate is higher.The power supply status indicating circuit that the utility model is set and communication state indicating circuit all can utilize existing hardware circuit engineering to realize, in power supply status indicating circuit and communication state indicating circuit, be respectively equipped with led pilot lamp, under the control of master controller, LED light can be to the duty of field personnel's indication mechanism.
Human-computer interaction interface of the present utility model and master controller adopt RS485 master-slave mode to carry out communication, make human-computer interaction interface become the mutual window of user and cam control system, can easily realize parameter setting, state demonstration and alarm indication etc.User can, by human-computer interaction interface to master controller input system parameter, ensure the reliability of cam control.In addition can utilize existing software engineering to divide AM/BAM task to the master controller operating system of the utility model cam control module, task high requirement of real-time is put into foreground and carry out, the tasks such as data processing are put into backstage and carry out.Master controller gathers exterior angle, voltage, IO signal, realizes electric cam, tonnage detection, the functions such as output of reporting to the police.IO expanding element is regularly reported to the signal condition of respective signal module in cam control module by high-speed bus, and the motion control of cam is carried out in main control according to different I/O state.
Claims (4)
1. the electronic cam control system that can expand IO, is characterized in that, comprises signal gathering unit, controls output unit, cam control module, IO expanding element and man-machine interaction unit; Signal gathering unit comprises tonnage instrument, Rotation Controllers, controls output unit and comprises clutch coupling, cam drive mechanism, between cam drive mechanism and cam, is connected by clutch coupling;
Cam control module comprises master controller; IO expanding element comprises input expansion module and output expansion module, and wherein the output terminal of input expansion module connects the input port of master controller by high-speed bus, and the input end of output expansion module connects the output port of master controller by high-speed bus; The input port of master controller also comprises the position signalling input end that connects rotary transformer output terminal, with the tonnage signal input part that is connected tonnage instrument output terminal; The output port of master controller also comprises the motion control signal output terminal that connects clutch coupling; Man-machine interaction unit connects master controller by RS485.
2. the electronic cam control system of expanding IO according to claim 1, it is characterized in that, also comprise controller peripheral circuit, controller peripheral circuit comprises the power supply status indicating circuit and the communication state indicating circuit that connect respectively master controller output port, in power supply status indicating circuit and communication state indicating circuit, is respectively equipped with led pilot lamp.
3. the electronic cam control system of expanding IO according to claim 1 and 2, is characterized in that, master controller adopts STM32F205ZX chip.
4. the electronic cam control system of expanding IO according to claim 1 and 2, is characterized in that, connecting IO expanding element is that RS485 serial ports is connected with the high-speed bus form of master controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420043932.XU CN203732922U (en) | 2014-01-24 | 2014-01-24 | Electronic cam control system with extensible IO |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420043932.XU CN203732922U (en) | 2014-01-24 | 2014-01-24 | Electronic cam control system with extensible IO |
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| Publication Number | Publication Date |
|---|---|
| CN203732922U true CN203732922U (en) | 2014-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420043932.XU Expired - Lifetime CN203732922U (en) | 2014-01-24 | 2014-01-24 | Electronic cam control system with extensible IO |
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| CN (1) | CN203732922U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110716489A (en) * | 2019-10-30 | 2020-01-21 | 深圳市鸿义通仪测有限公司 | Automatic control system and method |
-
2014
- 2014-01-24 CN CN201420043932.XU patent/CN203732922U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110716489A (en) * | 2019-10-30 | 2020-01-21 | 深圳市鸿义通仪测有限公司 | Automatic control system and method |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140723 |