Device for measuring multi-path cascade application of feedback equipment

Abstract

The utility model discloses a device for measuring multi-path cascade application of feedback equipment, which comprises a printing equipment end and a measuring equipment end, the printing equipment end comprises printing equipment and a magnetic grid signal module in circuit connection with the printing equipment, the magnetic grid signal module is connected with a difference module, and the difference module is connected with the printing equipment. The differential module comprises a differential receiving chip and a differential signal processing unit, and the differential receiving chip is connected with the differential signal processing unit; the differential signal processing unit can be connected with different devices such as a linear motor, a camera shooting device and a system master control module at the same time, synchronous processing and feedback of multiple paths of signals are achieved, the integration level and applicability of the device are improved, magnetic grid differential signals output by a printing device end can be converted into single-end signals through a differential receiving chip, and the magnetic grid differential signals are converted into single-end signals. And three groups of independent magnetic grid differential signals are output by using the differential chip, so that the requirements of different devices on signal types are met.

Description

TECHNICAL FIELD

[0001] The utility model relates to printer technical field especially, it is a kind of device of measurement feedback equipment multichannel cascade application. BACKGROUND

[0002] With the function of printing machine more and more complex, there is picture printing precision demand more and more high, part printing machine design needs to adopt to the measurement feedback equipment of magnetic grid;

[0003] But for a printing machine, multiple equipment needs to use the value of magnetic grid, for this kind of situation, there are two kinds of schemes commonly used: (1) use multiple magnetic grids, but this scheme will due to the error of different magnetic grids, lead to the synchronous information cooperation between equipment is not very good;(2) a magnetic grid with multiple read heads, but this scheme, cost is too high, a good read head often just thousands of yuan, and there is error between read heads. SUMMARY

[0004] The utility model discloses in order to solve above-mentioned existing technical problem, provide a kind of device of measurement feedback equipment multichannel cascade application.

[0005] The technical scheme of the present application is as follows:

[0006] A kind of device of measurement feedback equipment multichannel cascade application, including printing device end and measuring device end, the printing device end includes printing device and the magnetic grid signal module being connected with the circuit of printing device, the magnetic grid signal module is connected with difference module, the difference module includes difference receiving chip and difference signal processing unit, the difference receiving chip is connected with difference signal processing unit.

[0007] Preferably, the difference signal processing unit is composed of multiple signal processing blocks, including first signal processing block J1, second signal processing block J2 and third signal processing block J3.

[0008] Preferably, the first signal processing block J1 is connected with linear motor signal.

[0009] Preferably, the second signal processing block J2 is connected with camera equipment.

[0010] Preferably, the third signal processing block J3 is connected with system main control module.

[0011] The differential signal processing unit can be connected with different devices such as a linear motor, a camera equipment and a system main control module, synchronous processing and feedback of multiple signals are realized, the integration and the applicability of the device are improved, the magnetic grid differential signals output by the printing device end can be converted into single-end signals through the differential receiving chip, three groups of independent magnetic grid differential signals are output by the differential chip, the demand of different devices on signal types is met, the cascade with various devices is facilitated, the equipment collaborative work is facilitated, the printing device, the linear motor, the camera equipment and the system main control module can be cooperated through the connection of different signal processing blocks and different devices, the accurate transmission and feedback of data are realized, and the working efficiency and the stability of the whole system are improved. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the utility model.

[0013] Figure 2 It is a circuit schematic diagram of the utility model. CONCRETE IMPLEMENTATION

[0014] As Figures 1-2 shown, the utility model discloses a kind of device of measuring feedback equipment multi-cascading application, including printing device end and measuring device end, the printing device end includes printing device and the magnetic grid signal module being connected with the printing device circuit, the magnetic grid signal module is connected with differential module, the differential module includes differential receiving chip and differential signal processing unit, and the differential receiving chip is connected with differential signal processing unit.

[0015] The differential signal processing unit is composed of multiple signal processing blocks, including first signal processing block J1, second signal processing block J2 and third signal processing block J3.

[0016] The first signal processing block J1 is connected with linear motor signal.

[0017] The second signal processing block J2 is connected with camera equipment.

[0018] The third signal processing block J3 is connected with system main control module.

[0019] The printing device end outputs magnetic grid signal through magnetic grid interface, and the magnetic grid signal is: #1_A+#1_A-#1_B+#1_B-#1_C+#1_C-, and the differential signal of magnetic grid is converted into single-end signal #1_A#1_B#1_C by differential receiving chip.

[0020] The single-end signal #1_A#1_B#1_C is output by differential chip U1 U8 U9:AM26LV31CDR respectively 3 groups of independent magnetic grid differential signals:

[0021] J1: #1_X + #1_X - #1_Y + #1_Y - #1_Z + #1_Z -;

[0022] J2: #2_X + #2_X - #2_Y + #2_Y - #2_Z + #2_Z -;

[0023] J3: #3_X + #3_X - #3_Y + #3_Y - #3_Z + #3_Z -.

[0024] Referring to Figure 2 In the utility model, +5V is driving voltage, GND is system ground, U4 is differential receiving chip AM26LV32CDR, U1, U8, U9 are differential receiving chip AM26LV31 CDR, J5 is magnetic grating reading head interface, J1 is the first way output interface of magnetic grating and is also the magnetic grating input interface connected with linear motor, J2 is the second way output interface of magnetic grating and is also the magnetic grating input interface connected with camera, J58 is the third way output interface of magnetic grating and is also the magnetic grating input interface connected with system.

[0025] Working principle:

[0026] J5 is the interface of magnetic grating reading head, and the magnetic grating is input from the interface; the application of a magnetic grating device needs to be connected to three devices in three ways, which are linear motor, camera board card respectively.

[0027] The #1_A + #1_A - #1_B + #1_B - #1_C + #1_C - of magnetic grating signal passes through differential chip U4: AM26LV32CDR, and the differential signal of magnetic grating is converted into single-ended signal #1_A #1_B #1_C.

[0028] The single-ended signal #1_A #1_B #1_C passes through differential chip U1, U8, U9: AM26LV31 CDR, and 3 groups of independent magnetic grating differential signals are output respectively:

[0029] #1_X + #1_X - #1_Y + #1_Y - #1_Z + #1_Z -

[0030] #2_X + #2_X - #2_Y + #2_Y - #2_Z + #2_Z -

[0031] #3_X + #3_X - #3_Y + #3_Y - #3_Z + #3_Z -

[0032] The three groups of signals are the same, and do not interfere with each other, and are respectively mapped to the signals of magnetic grating

[0033] #1_A + #1_A - #1_B + #1_B - #1_C + #1_C -.

[0034] In the utility model, the linear motor, the camera equipment and the system main control module three are according to the three groups of differential signals received to cooperate work.

[0035] In the utility model, the camera equipment is a camera, and the system main control module is a board card.

Claims

1. An apparatus for measuring the application of a plurality of cascaded feedback devices, comprising: Including printing device end and measuring device end, the printing device end includes printing device and magnetic grid signal module connected with printing device circuit, the magnetic grid signal module is connected with difference module, the difference module includes difference receiving chip and difference signal processing unit, the difference receiving chip is connected with difference signal processing unit.

2. The apparatus of claim 1, wherein, The difference signal processing unit is composed of multiple groups of signal processing blocks, including a first signal processing block J1, a second signal processing block J2 and a third signal processing block J3.

3. The apparatus of claim 1, wherein, The first signal processing block J1 is connected with linear motor signal.

4. The apparatus of claim 1, wherein, The second signal processing block J2 is connected with camera equipment.

5. The apparatus of claim 1, wherein, The third signal processing block J3 is connected with system main control module.

6. The apparatus of claim 1, wherein, The printing device end outputs magnetic grid signal through magnetic grid interface, the magnetic grid signal is: #1_A+#1_A-#1_B+#1_B-#1_C+#1_C-, and the difference signal of magnetic grid is converted into single-ended signal #1_A#1_B#1_C through the difference receiving chip.

7. The apparatus of claim 1, wherein, The single-ended signal #1_A#1_B#1_C outputs three groups of independent magnetic grid difference signals through difference chips U1, U8 and U9 respectively.

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