CN207908297U - It is molded the density verifying attachment of woollen sweater - Google Patents

Abstract

The density verifying attachment of the molding woollen sweater of the utility model, the radial direction of the finished product wool yarns of acquisition, latitudinal density information are exported density information that is accurate, stablizing under the irradiation of lighting source after signal anti-jamming circuit low-pass filtering, voltage/frequency conversion, FM amplitude modulation and carry out density analysis, output density testing result to computer by digital textile densimeter；The problem of wool yarns faint image information for efficiently solving densimeter or photographic device acquisition, feeds back in computer procedures, easily decaying and by external environmental interference, accuracy, poor reliability.The utility model density information is through the low-pass filter circuit that operational amplifier A R1 is core, after inhibiting unwanted frequency signal, into the voltage/frequency conversion circuit that operational amplifier A R2 is core converts electrical signals to low frequency signal, low frequency signal is modulated to high-frequency signal through the frequency modulation circuit that triode Q2 is core, operational amplifier A R3 be core amplifying circuit amplitude modulation after be transferred to computer.

Description

It is molded the density verifying attachment of woollen sweater

Technical field

The utility model is related to wool yarns processing technique fields, more particularly to the density verifying attachment of molding woollen sweater.

Background technology

Currently, in wool yarns process, density, refer to warp thread contained in fabric warp-wise or broadwise unit length or Fill yarn ends mostly use densimeter or photographic device and are combined with COMPUTER DETECTION display system at present, and realization Density Detection is simultaneously fast Fast-growing is reported at inspection result, however densimeter or the wool yarn density Weak Information of photographic device acquisition, feeds back to computer During detecting display system, easily decays and by external environmental interference, it is aobvious to affect COMPUTER DETECTION for accuracy, poor reliability Show the accuracy of system test result report.

So the utility model provides a kind of new scheme to solve the problems, such as this.

Invention content

For the above situation, to overcome the defect of the prior art, the utility model to be designed to provide molding woollen sweater Density verifying attachment, have and be skillfully constructed and the characteristic of human oriented design, efficiently solve current densimeter or camera shooting dress The wool yarns faint image information for setting acquisition, feeds back in computer procedures, easily decaying and by external environmental interference, accuracy, The problem of poor reliability.

Its technical solution solved is, including finished product wool yarns, digital textile densimeter, lighting source, signal are anti-dry Disturb circuit, computer, which is characterized in that digital textile densimeter is under the irradiation of lighting source by the finished product wool yarns of acquisition Radial direction, latitudinal density information through signal anti-jamming circuit low-pass filtering, voltage/frequency conversion, export after FM amplitude modulation it is accurate, Stable density information carries out density analysis, output density testing result to computer；

The signal anti-jamming circuit includes inductance L1, and the left end of inductance L1 connects digital textile densimeter in illumination light The radial direction of the finished product wool yarns of acquisition, latitudinal density information, the right end of inductance L1 are separately connected ground capacity under the irradiation in source One end of C1, one end of resistance R2, the inverting input of the other end connection operational amplifier A R1 of resistance R1, the one of resistance R2 It holds, the cathode of capacitance C2, the in-phase input end of operational amplifier A R1 connects ground with ground terminal, and the power end of operational amplifier A R1 connects Power supply+12V is met, the anode of capacitance C2, the other end of resistance R2 connect output end, the operational amplifier A R2 of operational amplifier A R1 Inverting input, one end of resistance R3, ground capacity C6 one end, the in-phase input end of operational amplifier A R2 connects resistance One end of R4, the other end of resistance R4 be separately connected the lower end of resistance R6, ground resistance R7 one end, operational amplifier A R2's Output end connects one end of resistance R5, and the other end of resistance R5 is separately connected one end of the other end of resistance R3, capacitance C4, capacitance The other end of C4 be separately connected one end of resistance R8, one end of ground resistance R9, triode Q2 base stage, the transmitting of triode Q2 By capacitance C8 connections ground, the collector of triode Q2 is separately connected one end of capacitance C5, one end of capacitance C6, inductance L3 for pole Lower end, capacitance C7 one end, the other end of resistance R8, the other end of capacitance C5, the other end of capacitance C6, the upper end of inductance L3 are equal Connect power supply+5V, the other end of capacitance C7 is separately connected one end of grounded inductor L2, the anode of varactor DC1, operation are put The in-phase input end of big device AR3, the cathode connection ground of varactor DC1, the inverting input of operational amplifier A R3 connect respectively Connect one end of ground resistance R10, one end of resistance R11, the output end of the other end connection operational amplifier A R3 of resistance R11, fortune It calculates the density information of the output end output of amplifier AR3 accurately, stable and carries out density analysis to computer.

The utility model is simple in structure, is skillfully constructed, and digital textile densimeter will acquisition under the irradiation of lighting source The radial directions of finished product wool yarns, latitudinal density information through the low-pass filter circuit that operational amplifier A R1 is core, inhibit useless frequency After rate signal, low frequency signal, low is converted electrical signals into the voltage/frequency conversion circuit that operational amplifier A R2 is core Frequency signal is modulated to high-frequency signal through the frequency modulation circuit that triode Q2 is core, and operational amplifier A R3 is the amplification of core Computer is transferred to after circuit amplitude modulation, computer obtains density information that is accurate, stablizing, line density of going forward side by side analysis, output with this Density Detection result.

Description of the drawings

Fig. 1 is the utility model signal anti-jamming circuit catenation principle figure.

Specific implementation mode

Aforementioned and other technology contents, feature and effect in relation to the utility model, in following cooperation refer to the attached drawing 1 to reality In the detailed description for applying example, can clearly it present.The structure content being previously mentioned in following embodiment is with Figure of description For reference.

Each exemplary embodiment of the utility model is described below with reference to accompanying drawings.

Embodiment one is molded the density verifying attachment of woollen sweater, including finished product wool yarns, digital textile densimeter, photograph Mingguang City source, signal anti-jamming circuit, computer, digital textile densimeter is under the irradiation of lighting source by the finished product sheep of acquisition The radial direction of wool yarn, latitudinal density information permit through the low-pass filter circuit that operational amplifier A R1 in signal anti-jamming circuit is core Perhaps density signal frequency content passes through, and inhibits unwanted frequency signal, the voltage/frequency conversion electricity that operational amplifier A R2 is core Road converts electrical signals to low frequency signal, low frequency signal is modulated to high frequency letter through the frequency modulation circuit that triode Q2 is core Number, to be transferred to computer after the amplifying circuit amplitude modulation of core, computer is obtained accurate, stabilization operational amplifier A R3 with this Density information, line density of going forward side by side analysis, output density testing result；

The signal anti-jamming circuit is low-pass filtered, voltage/frequency is converted, it is accurate, stabilization to be exported after FM amplitude modulation Density information carries out density analysis, output density testing result, the digital textile densimeter of model DW512A to computer By the radial direction of the finished product wool yarns of acquisition, latitudinal density power information under the irradiation of lighting source, through inductance L1, capacitance C1 compositions The filtering of LC filter circuits after, into the low-pass filter circuit of operational amplifier A R1, resistance R2, electrolytic capacitor C2 composition, allow Density signal（Corresponding electric signal）Frequency content passes through, and inhibits unwanted frequency signal, adjusts electrolytic capacitor C2's or resistance R2 Size, adjust allow by signal frequency size, low-pass filter circuit output signals to operational amplifier A R2 be core Voltage/frequency conversion circuit, the output end of operational amplifier A R2 feeds back to operation after resistance R6, R7 partial pressure through resistance R4 The in-phase input end of amplifier AR2, the integrating circuit of capacitance C3, resistance R3 composition introduce negative-feedback, operational amplifier A R2 be than Compared with device, operational amplifier A R2 output voltage moments, capacitance C3 both end voltages cannot be mutated, and operational amplifier A R2 output voltages are logical It crosses R3 exponentially to charge to capacitance C3, voltage is small after capacitance C3 charging voltages and the coupling of operational amplifier A R2 output voltages When negative saturation value, operational amplifier A R2 output voltages are just turned to rapidly positive saturation value, operational amplifier from negative saturation value AR3 output voltages give C3 reverse chargings, output state to overturn again further through R3, and so cycle just produces a series of side Wave Frequency signal, the frequency modulation circuit that this signal is formed through triode Q2, capacitance C5, C6, C8, inductance L3 are modulated to height Frequency signal, wherein resistance R8, R9 are the base biasing resistor of triode Q2, by capacitance C7, inductance L2, varactor DC1 structures At capacitance three-point type resonant tank, obtain the frequency of optimum traffic of necessary requirement, most afterwards through operational amplifier A R3, resistance R10, Computer is transferred to after the scaling circuit amplitude modulation of resistance R11 compositions, computer obtains density that is accurate, stablizing with this to be believed Breath, line density of going forward side by side analysis, output density testing result.

When the utility model is specifically used, the digital textile densimeter of model DW512A is under the irradiation of lighting source By the radial direction of the finished product wool yarns of acquisition, latitudinal density power information, the LC filter circuits through inductance L1, capacitance C1 compositions filter Afterwards, into the low-pass filter circuit of operational amplifier A R1, resistance R2, electrolytic capacitor C2 compositions, allow density signal frequency content Pass through, inhibit unwanted frequency signal, is transferred to the voltage/frequency conversion circuit that operational amplifier A R2 is core, produces a system The square wave Frequency signal of row, the frequency modulation circuit tune that this signal is formed through triode Q2, capacitance C5, C6, C8, inductance L3 It is made as high-frequency signal, wherein resistance R8, R9 is the base biasing resistor of triode Q2, by capacitance C7, inductance L2, varactor DC1 constitutes capacitance three-point type resonant tank, the frequency of optimum traffic of necessary requirement is obtained, most afterwards through operational amplifier A R3, resistance Computer is transferred to after the scaling circuit amplitude modulation that R10, resistance R11 are formed, computer obtains density that is accurate, stablizing with this Information, line density of going forward side by side analysis, output density testing result.

The above is to combine specific implementation mode further detailed description of the utility model, and it cannot be said that originally Utility model specific implementation is limited only to this；For belonging to the utility model and for those skilled in the technology concerned, Under the premise of technical solutions of the utility model thinking, made by expand and operating method, data replacement, should all fall Within scope of protection of the utility model.

Claims (2)

1. being molded the density verifying attachment of woollen sweater, including finished product wool yarns, digital textile densimeter, lighting source, signal Anti-jamming circuit, computer, which is characterized in that digital textile densimeter is under the irradiation of lighting source by the finished product sheep of acquisition Radial direction, the latitudinal density information of wool yarn export after signal anti-jamming circuit low-pass filtering, voltage/frequency conversion, FM amplitude modulation Accurately, the density information stablized carries out density analysis, output density testing result to computer；

The signal anti-jamming circuit includes inductance L1, and the left end of inductance L1 connects digital textile densimeter in lighting source The radial direction of the finished product wool yarns of acquisition, latitudinal density information, the right end of inductance L1 are separately connected ground capacity C1's under irradiation One end, resistance R2 one end, inverting input, one end of resistance R2, the electricity of the other end connection operational amplifier A R1 of resistance R1 Hold the cathode of C2, the in-phase input end of operational amplifier A R1 connects ground, the power end connection electricity of operational amplifier A R1 with ground terminal The anode of source+12V, capacitance C2, the output end of other end connection operational amplifier A R1 of resistance R2, operational amplifier A R2 it is anti- Phase input terminal, one end of resistance R3, ground capacity C6 one end, the in-phase input end connection resistance R4's of operational amplifier A R2 One end, the other end of resistance R4 be separately connected the lower end of resistance R6, ground resistance R7 one end, the output of operational amplifier A R2 One end of end connection resistance R5, the other end of resistance R5 are separately connected one end of the other end of resistance R3, capacitance C4, capacitance C4's The other end be separately connected one end of resistance R8, one end of ground resistance R9, triode Q2 base stage, the emitter of triode Q2 is logical Capacitance C8 connections ground is crossed, the collector of triode Q2 is separately connected under one end of capacitance C5, one end of capacitance C6, inductance L3 End, capacitance C7 one end, the other end of resistance R8, the other end of capacitance C5, the other end of capacitance C6, inductance L3 upper end connect Power supply+5V is met, the other end of capacitance C7 is separately connected one end of grounded inductor L2, the anode of varactor DC1, operation amplifier The in-phase input end of device AR3, the cathode connection ground of varactor DC1, the inverting input of operational amplifier A R3 are separately connected One end of ground resistance R10, one end of resistance R11, the output end of the other end connection operational amplifier A R3 of resistance R11, operation The density information that the output end output of amplifier AR3 is accurate, stable carries out density analysis to computer.

2. the density verifying attachment of molding woollen sweater according to claim 1, which is characterized in that the digital textile is close Spend instrument model DW512A.