The utility model content
But the Computerized flat knitting machine needle selection control system that the utility model provides a kind of high-speed response, accurately moves at the deficiency that has the control technology aspect now.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of Computerized flat knitting machine needle selection control system is provided, comprises master board and be installed on the head control panel of head, described master board and described head control panel communicate to connect; Described master board is provided with first arithmetic element and first memory cell of mutual electrical connection, and described head control panel is provided with second arithmetic element and second memory cell of mutual electrical connection; Described first memory cell and second memory cell are all stored the pattern data that remains to be woven colored type; The input of described first arithmetic element and described second arithmetic element all is electrically connected the positional information feedback end of main motor, the output of described first arithmetic element is electrically connected the controlled end of described main motor, and the output of described second arithmetic element is electrically connected the needle selection device and controls the action of needle selection device; Wherein, described head is by described main motor-driven, and the needle selection device is installed on the described head.
Wherein, described master board is provided with for the colored type processing unit that calculates described pattern data according to colored type to be woven, the output of described colored type processing unit connects the input of described first memory cell, and the output of described colored type processing unit also communicates to connect the input of described second memory cell.
Wherein, described head control panel is provided with for the colored type processing unit that calculates described pattern data according to colored type to be woven, the output of described colored type processing unit connects the input of described second memory cell, and the output of described colored type processing unit also communicates to connect the input of described first memory cell.
Wherein, described master board and described head control panel communicate to connect by bus mode.
The beneficial effects of the utility model are: be different from the low shortcoming of bringing by bus real-time Transmission needle selection data between the master board and head control panel in traditional control system of low-response, precision, on the head control panel, store pattern data in the control system of the present utility model in advance, be used for driving the needle selection of needle selection device data from the calculating of head control panel internal data, there is not time delay of data transmission, and the needle selection data are relevant with the real-time position information of main motor, can guarantee the accuracy of data; Therefore, by scheme of the present utility model, realized accurate, the real-time control to the needle selection device, through actual verification, precision can reach 0.1mm, has satisfied the requirement that fine needle kind type is fast to needle selection device work response, precision is high.Simultaneously, optimized the Processing tasks of master board, reduced the data processing load of master board, can make master board at the enterprising one-step optimization of other functions.
The specific embodiment
By describing technology contents of the present utility model, structural feature in detail, realized purpose and effect, give explanation below in conjunction with embodiment and conjunction with figs. are detailed.
See also Fig. 1, the Computerized flat knitting machine control system of the utility model first embodiment comprises master board 10 and head control panel 20, and wherein head control panel 20 is installed on the head, and master board 10 communicates to connect with head control panel 20, more preferably, utilize existing bus transmission model to communicate to connect; Master board 10 and communicating to connect of head control panel 20 mainly are the transmission for data, and bus transmission model is also replaceable to be other feasible transmission means.
Master board 10 is provided with first arithmetic element 11, first memory cell 12 and flower type processing unit 13, first arithmetic element 11 is electrically connected mutually with first memory cell 12, the output of flower type processing unit 13 connects the input of first memory cell 12, the input of first arithmetic element 11 is electrically connected the positional information feedback end of main motor 4, wherein, head is driven by described main motor 4.Flower type processing unit 13 is handled for basis colored type to be woven and is calculated pattern data, and then this pattern data is stored in first memory cell 12.11 of first arithmetic elements are used for pattern data according to the real-time position information of main motor 4 and 12 storages of first memory cell and carry out the controlled data of analytical Calculation controlling the motion of main motor 4, thereby drive head motion.
Head control panel 20 is provided with second arithmetic element 21 and second memory cell 22 of mutual electrical connection, wherein head control panel 20 by with the communicating to connect and corresponding transfer of data of master board 10, second memory cell 22 store with first memory cell 12 in identical waiting weave the pattern data of colored type, the input of second arithmetic element 21 is electrically connected the positional information feedback end of main motor 4, output is electrically connected needle selection device 5 and 5 actions of control needle selection device, when work, second arithmetic element 21 is carried out analytical Calculation according to the pattern data of storage in the real-time position information of main motor 4 and second memory cell 22 and is obtained the needle selection data with the motion of control needle selection device 5, wherein, needle selection device 5 is installed on the head.
The course of work of this control system is: at first obtain pattern data and this pattern data is stored in respectively in the memory cell of master board and head control panel according to waiting to weave colored type, when weaving, master board is calculated according to real time position and the pattern data of current main motor, main motor movement makes head and the needle selection device that is installed on the head together moves thereby drive, the head control panel calculates in conjunction with the pattern data of storing in the real time position of current main motor and the head control panel, follow head when the accurate position when the needle selection device, in time drive the action of respective electrical magnet in the needle selection device and make the selection piece action.
Be different from the low shortcoming of bringing by bus real-time Transmission needle selection data between the master board and head control panel in traditional control system of low-response, precision, on the head control panel, store pattern data in the control system of the present utility model in advance, be used for driving the needle selection of needle selection device data from the calculating of head control panel internal data, there is not time delay of data transmission, and the needle selection data are relevant with the real-time position information of main motor, can guarantee the accuracy of data; Therefore, by scheme of the present utility model, realized accurate, the real-time control to the needle selection device, through actual verification, precision can reach 0.1mm, has satisfied the requirement that fine needle kind type is fast to needle selection device work response, precision is high.Simultaneously, optimized the Processing tasks of master board, reduced the data processing load of master board, can make master board at the enterprising one-step optimization of other functions.
More than mainly be to describe from function structure to master board and head control panel, for practical structures, above-mentioned arithmetic element, memory cell and flower type processing unit can be to be present in simultaneously on the control chip also can belong on the different devices.For example, control chip and necessary peripheral circuit are set respectively on master board and the head control panel, the functional module of above-mentioned two control panels of mentioning is respectively in the control chip that is packaged in separately, for arithmetic element, can be corresponding to the set of the arithmetic unit in the control chip or arithmetic unit and controller, then corresponding to the internal memory of control chip, flower type processing unit can be the set of arithmetic unit or arithmetic unit and controller to memory cell equally.It is the common processing procedure of this area that flower type processing unit is resolved the process that obtains pattern data, therefore, this process is not specifically narrated in the utility model; Realize as for communicating to connect by corresponding functional structure of master board and head control panel, after pattern data is obtained by flower type processing unit, can transfer to the head control panel and be stored in second memory cell by communicating to connect functional structure accordingly, for ease of understanding, can think simply that colored type processing unit communicates to connect second memory cell and pattern data transferred in second memory cell store.In addition, also have other necessary function modules on master board and the head control panel, for example be used for to realize the function of man-machine interaction etc., because the needle selection control that relates to the utility model is not relevant, therefore, omit the introduction to this part content.
Consult Fig. 2, in the utility model Computerized flat knitting machine control system second embodiment, control system comprises master board 10 and head control panel 20 equally, and wherein master board 10 is provided with first arithmetic element 11 and first memory cell 12 of mutual electrical connection; Head control panel 20 is provided with second arithmetic element 21, second memory cell 22 and flower type processing unit 23, among the annexation of each unit and first embodiment in the master board 10 annexation of each unit identical.The difference of present embodiment and first embodiment is, colored type processing unit 23 is set on the head control panel 20 and obtains pattern data and storage, this pattern data transfers to master board 10 and stores, thereby make in first memory cell 12 and second memory cell 22 and all store pattern data, identical with first embodiment to the control of main motor 4 and needle selection device 5 in the follow-up braiding process, specifically please refer to first embodiment.In the present embodiment, further alleviated the data processing load of master board 10, head control panel 20 has then increased data handling procedure, can be higher to the performance requirement of control chip on the head control panel 20, need bigger internal memory and dominant frequency faster.In the present embodiment, can reach consistent with first embodiment to the control accuracy of needle selection.
Need to prove, among above-mentioned two embodiment, colored type processing unit is set to obtain pattern data in master board or head control panel, in fact, flower type processing unit and nonessential being arranged on master board or the head control panel, can also be control chip to be set in addition as flower type processing unit, also can be to finish the process that obtains pattern data etc. at host computer.
For above-mentioned Computerized flat knitting machine needle selection control system, its needle selection control method comprises step:
S10: in master board and head control panel, all store the pattern data of waiting to weave colored type; Wherein, described head control panel is installed on the head;
S20: master board is gathered the real-time position information of main motor and in conjunction with the controlled data of described pattern data analytical Calculation and control the motion of main motor; The head control panel is gathered the real-time position information of main motor and is obtained the needle selection data and control the motion of needle selection device in conjunction with described pattern data analytical Calculation; Wherein, described head is by described main motor-driven, and described needle selection device is installed on the head.
For this control method, owing to be used for driving the needle selection of needle selection device data from the calculating of head control panel internal data, do not have time delay of data transmission, and the needle selection data are relevant with the real-time position information of main motor, can guarantee the accuracy of data; Therefore, by scheme of the present utility model, realized accurate, the real-time control to the needle selection device, through actual verification, precision can reach 0.1mm, has satisfied the requirement that fine needle kind type is fast to needle selection device work response, precision is high.Simultaneously, optimized the Processing tasks of master board, reduced the data processing load of master board, can make master board at the enterprising one-step optimization of other functions.
Wherein, for the pattern data among the step S10, can obtain by following dual mode at least:
One, master board calculates pattern data and storage according to waiting to weave colored type, and this pattern data is transferred to the head control panel, the pattern data that the storage of head control panel receives.
Two, the head control panel calculates pattern data and storage according to waiting to weave colored type, and this pattern data is transferred to master board, the pattern data that the master board storage receives.
Wherein, in the above-mentioned dual mode, transmit pattern data by bus mode between master board and the head control panel.
In addition, pattern data can also be by third party's control chip for example another control panel or host computer etc. obtain, then get final product in the storage of master board and head control panel respectively.
The above only is embodiment of the present utility model; be not so limit claim of the present utility model; every equivalent structure or equivalent flow process conversion that utilizes the utility model specification and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present utility model.