CN109085446A - A kind of handheld piezoelectric Jacquard tester and its working method - Google Patents
A kind of handheld piezoelectric Jacquard tester and its working method Download PDFInfo
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- CN109085446A CN109085446A CN201811215967.6A CN201811215967A CN109085446A CN 109085446 A CN109085446 A CN 109085446A CN 201811215967 A CN201811215967 A CN 201811215967A CN 109085446 A CN109085446 A CN 109085446A
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- 238000012360 testing method Methods 0.000 claims abstract description 11
- 238000006243 chemical reaction Methods 0.000 claims description 43
- 230000005540 biological transmission Effects 0.000 claims description 7
- 230000006870 function Effects 0.000 claims 8
- 230000009711 regulatory function Effects 0.000 claims 1
- 230000017525 heat dissipation Effects 0.000 abstract description 2
- 238000006073 displacement reaction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009940 knitting Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/01—Subjecting similar articles in turn to test, e.g. "go/no-go" tests in mass production; Testing objects at points as they pass through a testing station
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Abstract
The present invention relates to a kind of handheld piezoelectric Jacquard tester and its working method, the handheld piezoelectric Jacquard tester includes: the circuit board A as the motherboard and circuit board B as daughter board；Wherein the circuit board A is equipped with CPU；And the circuit board A is connected with circuit board B by connector, and the serial signal transfer exported CPU by connector is to circuit board B；Handheld piezoelectric Jacquard tester of the invention, it is small in size, heat dissipation is few, it can hold, test problem can only just be can be carried out by being installed on machine by solving piezoelectric jacquard slide cam selector, pass through this handheld piezoelectric Jacquard tester, the quality for each piece of piezoelectric jacquard slide cam selector of test that can be convenient, no matter under what environment, as long as providing 220V alternating current to this handheld piezoelectric Jacquard tester, so that it may directly test the quality of piezoelectric jacquard slide cam selector.
Description
Technical field
The present invention relates to textile machine equipment control fields, and in particular to a kind of handheld piezoelectric Jacquard tester and its work
Make method.
Background technique
The development of tricot machine is maked rapid progress in recent years, and the especially appearance of piezoelectric jacquard keeps warp knit industry further, thorough
Bottom has strided forward the electronically controlled epoch.
, also there is very high failure rate in a large amount of uses of piezoelectric jacquard, after piezoelectric jacquard is assembled on machine, match
Piezoelectric jacquard electric-control system is closed, piezoelectric jacquard can be detected, such testing cost is huge, for not needing piezoelectric jacquard
The machine of electric-control system even more has no idea to have detected in the pre-assembly.
Under normal conditions, other than the piezoelectric jacquard manufacturer of profession, ordinary user can only pass through the quality of knitting cloth cover
Judge the quality of piezoelectric jacquard, then cut yarn, replaces piezoelectric jacquard.
Such situation often will cause the waste of a large amount of cloth covers.
Summary of the invention
The object of the present invention is to provide a kind of handheld piezoelectric Jacquard tester and its working methods.
In order to achieve the above object of the invention, the present invention provides a kind of handheld piezoelectric Jacquard testers, comprising: as mother
The circuit board A of plate and circuit board B as daughter board；Wherein the circuit board A is equipped with CPU；And the circuit board A and circuit
Plate B is connected by connector, and the serial signal transfer exported CPU by connector is to circuit board B.
Further, shift register module is respectively equipped on the circuit board A and circuit board B；The wherein shift LD
Device module is suitable for the CPU serial signal exported being converted into parallel signal；And the shift register module is further adapted in number
Corresponding information of completing is fed back into the CPU according to after the completion of displacement.
Further, the A plate front low pressure/height being connected with the shift register module on A plate is additionally provided on the circuit board A
Press conversion driving circuit and A back low pressure/high pressure conversion driving circuit；Wherein A plate front low pressure/high pressure conversion driving circuit
Suitable for being connected by an output port with the left side of piezoelectric jacquard；And A back low pressure/high pressure conversion driving circuit is suitable for leading to
The output port is crossed to be connected with the right side of piezoelectric jacquard.
Further, the B plate front low pressure/height being connected with the shift register module on B plate is additionally provided on the circuit board B
Press conversion driving circuit and B back low pressure/high pressure conversion driving circuit；Wherein B plate front low pressure/high pressure conversion driving circuit
Suitable for being connected by an output port with the left side of piezoelectric jacquard；And B back low pressure/high pressure conversion driving circuit is suitable for leading to
The output port is crossed to be connected with the right side of piezoelectric jacquard.
Further, each low pressure/high pressure conversion driving circuit is identical, includes: triode Q1, triode Q2 and diode
D1；The parallel signal of shift register module output is input to the base stage of triode Q1 through resistance R2；DC power supply and three
The collector of pole pipe Q2 is connected, and is connected simultaneously through resistance R1 with the collector of triode Q1；The base stage of the triode Q2 with
The collector of triode Q1 is connected, and is connected simultaneously with the cathode of diode D1；The emitter and diode of the triode Q2
The anode of D1 is connected, and is connected simultaneously through resistance R4 with piezoelectric jacquard；When the parallel signal of shift register module output is low
When level, triode Q1 cut-off, triode Q2 conducting makes piezoelectric jacquard be in charged state；And work as shift register module
When the parallel signal of output is high level, triode Q1 conducting, triode Q2 cut-off makes piezoelectric jacquard be in discharge condition.
Further, the handheld piezoelectric Jacquard tester further include: function button module；The function button module packet
It includes: manual left avertence function button, manual right avertence function button, automatic left and right function button, single needle test function key, frequency tune
Save function button and high-voltage switch gear function button；And corresponding function button is pressed, corresponding signal is transmitted to described
CPU。
Further, the handheld piezoelectric Jacquard tester further include: power conversion module；The power conversion module is suitable
In external power supply is converted into DC180V voltage and DC5V voltage.
Further, the connector include 2.54 spacing 2*17 double cab and double-row needle and the 1*4 of 2.54 spacing it is mono-
Arrange seat and single needle；It is defeated that the 2*17 double cab and double-row needle of 2.54 spacing are used for transmission low pressure/high pressure conversion driving circuit
Signal out；And 2.54 spacing 1*4 single row of seats and single needle be used for transmission current signal and CPU output serial letter
Number.
Further, after the circuit board A is connected with circuit board B, the circuit board A is located at the lower section of the circuit board B.
Another aspect, the present invention also provides a kind of working methods of handheld piezoelectric Jacquard tester, comprising: as mother
The circuit board A of plate and circuit board B as daughter board；Wherein the circuit board A is equipped with CPU；And the circuit board A and circuit
Plate B is connected by connector, and the serial signal transfer exported CPU by connector is to circuit board B.
Compared with prior art, the invention has the advantages that handheld piezoelectric Jacquard tester of the invention, volume
Small, heat dissipation is few, can hold, and solve piezoelectric jacquard slide cam selector on machine or can only return factory just and can be carried out test by being installed to
Problem passes through this handheld piezoelectric Jacquard tester, it may be convenient to no matter test the quality of each piece of piezoelectric jacquard slide cam selector
Under what environment, as long as providing 220V alternating current to this handheld piezoelectric Jacquard tester, so that it may directly test piezoelectricity merchant
The quality of card slide cam selector.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the functional block diagram of handheld piezoelectric Jacquard tester of the invention；
Fig. 2 is low pressure/high pressure conversion driving circuit schematic diagram of handheld piezoelectric Jacquard tester of the invention.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These attached drawings are simplified schematic diagram, only with
Illustration illustrates basic structure of the invention, therefore it only shows the composition relevant to the invention.
Embodiment 1
As depicted in figs. 1 and 2, the present embodiment 1 provides a kind of handheld piezoelectric Jacquard tester, comprising: the electricity as motherboard
Road plate A and circuit board B as daughter board；Wherein the circuit board A is equipped with CPU；And the circuit board A and circuit board B is logical
Cross serial signal transfer that connector is connected, and CPU is exported by connector to circuit board B.
Specifically, making to be formed between circuit board A and circuit board B after circuit board A is connect with circuit board B by connector
One compact entirety, the handheld piezoelectric Jacquard tester of the present embodiment uses double-layer structure, i.e., in the circuit board A and electricity
After road plate B is connected, the circuit board A is located at the lower section of the circuit board B, and not only area occupied is small, but also circuit board A and circuit
Plate B transmits signal by connector, so that the signal transmission path of the present embodiment is concise, high reliablity.
Specifically, the CPU such as, but not limited to uses ATMEGA16 type single-chip microcontroller.
Shift register module is respectively equipped on the circuit board A and circuit board B；Wherein the shift register module is suitable
Parallel signal is converted into the serial signal for exporting CPU；And the shift register module is further adapted for being displaced in data
Corresponding information of completing is fed back into the CPU after.
Specifically, the shift register module on each circuit board includes 4 shift registers；The shift register
Suitable for the signal of 3 groups of serial inputs to be converted into the signal of 8 groups of parallel outputs, and it is suitable for terminate to believe after the completion of data displacement
Breath feeds back to CPU.
Specifically, the shift register such as, but not limited to uses 74HC595 type shift register.
The A plate front low pressure/high pressure conversion being connected with the shift register module on A plate is additionally provided on the circuit board A
Driving circuit and A back low pressure/high pressure conversion driving circuit；Wherein A plate front low pressure/high pressure conversion driving circuit is suitable for logical
An output port is crossed to be connected with the left side of piezoelectric jacquard；And A back low pressure/high pressure conversion driving circuit is suitable for by described
Output port is connected with the right side of piezoelectric jacquard.
The B plate front low pressure/high pressure conversion being connected with the shift register module on B plate is additionally provided on the circuit board B
Driving circuit and B back low pressure/high pressure conversion driving circuit；Wherein B plate front low pressure/high pressure conversion driving circuit is suitable for logical
An output port is crossed to be connected with the left side of piezoelectric jacquard；And B back low pressure/high pressure conversion driving circuit is suitable for by described
Output port is connected with the right side of piezoelectric jacquard.
Specifically, in the present embodiment, the signal per parallel output all the way of shift register is separately connected a low pressure/height
Conversion driving circuit is pressed, in the present embodiment, the shift register module and the shift register module on circuit board B of circuit board A
Include 4 shift registers, the parallel output on 64 tunnels can be provided, i.e., corresponding 64 low pressure/high pressure conversion driving circuit.
Specifically, the input terminal of the positive each low pressure/high pressure conversion driving circuit of the circuit board A and circuit board B is distinguished
It is connected with corresponding shift register, output end is connected with the left side of piezoelectric jacquard respectively by output port；In circuit board A
Low level signal is exported, after making piezoelectric jacquard charging left avertence, circuit board B exports high level signal, and piezoelectric jacquard is made to discharge back
To middle position.
Specifically, the circuit board A and each low pressure/high pressure conversion driving circuit input terminal at the back side circuit board B difference
It is connected with corresponding shift register, output end is connected with the right side of piezoelectric jacquard respectively by output port；In circuit board A
Low level signal is exported, after making piezoelectric jacquard charging right avertence, circuit board B exports high level signal, and piezoelectric jacquard is made to discharge back
To middle position.
Each low pressure/high pressure conversion driving circuit is identical, includes: triode Q1, triode Q2 and diode D1；Displacement is posted
The parallel signal of buffer module output is input to the base stage of triode Q1 through resistance R2；The collection of DC power supply and triode Q2
Electrode is connected, and is connected simultaneously through resistance R1 with the collector of triode Q1；The base stage of the triode Q2 is with triode Q1's
Collector is connected, and is connected simultaneously with the cathode of diode D1；The anode phase of the emitter of the triode Q2 and diode D1
Even, and it is connected simultaneously through resistance R4 with piezoelectric jacquard；When the parallel signal of shift register module output is low level, three poles
Pipe Q1 cut-off, triode Q2 conducting, makes piezoelectric jacquard be in charged state；And the parallel letter when shift register module output
Number be high level when, triode Q1 conducting, triode Q2 cut-off, so that piezoelectric jacquard is in discharge condition.
Specifically, low pressure/working principles of high pressure conversion drive sub-circuits are as follows: it is parallel when shift register module output
When signal is low level, triode Q1 cut-off, DC power supply VPP flows to the base stage of triode Q2, three poles by resistance R1
Pipe Q2 conducting, DC power supply VPP flows to emitter by the collector of triode Q2, and flows through resistance R4, to give piezoelectricity
Jacquard charging；When the parallel signal of shift register module output is high level, the parallel letter of shift register module output
Number electric current triode Q1 base stage is flowed to by resistance R2, triode Q1 conducting, DC power supply VPP by resistance R1, by
The collector of triode Q1 flows to emitter, and accesses ground.Meanwhile the bias high voltage on piezoelectric jacquard passes through resistance R4, by two
The anode of pole pipe D1 flows to the collector that cathode is connected to triode Q1, flows to emitter by the collector of triode Q1, and connect
Enter ground, gives piezoelectric jacquard electric discharge, during this, triode Q2 is in off state.
The handheld piezoelectric Jacquard tester further include: function button module；The function button module includes: manual
Left avertence function button, manual right avertence function button, automatic left and right function button, single needle test function key, frequency regulation function
Key and high-voltage switch gear function button；And corresponding function button is pressed, corresponding signal is transmitted to the CPU.
Specifically, applying downward pressure to corresponding function button, connect corresponding key switch closure；Work as revocation
When pressure, key switch is disconnected, and internal structure changes to realize on-off, key switch closure by metal clips stress
After connection, it is suitable for giving CPU mono- corresponding signal.
It is manual left avertence, manual right avertence, automatic left and right, list respectively specifically, present embodiments providing six press keys switch
Needle test, six frequency adjusting, high-voltage switch gear function buttons.
The handheld piezoelectric Jacquard tester further include: power conversion module；The power conversion module is suitable for will be outer
Portion's power supply is converted into DC180V voltage and DC5V voltage.
The connector includes the 2*17 double cab of 2.54 spacing and the 1*4 single row of seats and list of double-row needle and 2.54 spacing
Arrange needle；The 2*17 double cab and double-row needle of 2.54 spacing are used for transmission low pressure/high pressure conversion driving circuit output signal；
And 2.54 spacing 1*4 single row of seats and single needle be used for transmission current signal and CPU output serial signal.
Specifically, double cab is located on the circuit board A, double-row needle is located on the circuit board B, circuit board A and circuit
When plate B connection, the double-row needle on circuit board B is inserted on circuit board A in corresponding double cab.
In conclusion the working principle of this handheld piezoelectric Jacquard tester are as follows: CPU receives the key letter of function button
After number, two groups of serial signals of output give the shift register module of circuit board A and circuit board B, shifted register module respectively
It is transferred to corresponding low pressure/high pressure conversion driving circuit after displacement, high level signal or low level signal are delivered to piezoelectricity merchant
Card, to realize that piezoelectric jacquard left avertence is moved or right avertence is moved；In addition, can control height after CPU receives the push button signalling of function button
The switch of volt circuit can also faster discharge the high pressure inside piezoelectric jacquard, keep away to facilitate the low-voltage safety of system to debug
Piezoelectric jacquard slide cam selector is in bias state, stress deformation for a long time after exempting from power-off.
Embodiment 2
On the basis of embodiment 1, the present embodiment 2 provides a kind of working method of handheld piezoelectric Jacquard tester, comprising:
Circuit board A as the motherboard and circuit board B as daughter board；Wherein the circuit board A is equipped with CPU；And the circuit board A
The serial signal transfer for being connected with circuit board B by connector, and being exported CPU by connector is to circuit board B.
Specifically, about handheld piezoelectric Jacquard tester specific structure and implementation process referring to embodiment 1 correlation
It discusses, details are not described herein again.
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.
Claims (10)
1. a kind of handheld piezoelectric Jacquard tester characterized by comprising
Circuit board A as the motherboard and circuit board B as daughter board；Wherein
The circuit board A is equipped with CPU；And
The circuit board A is connected with circuit board B by connector, and the serial signal transfer exported CPU by connector is extremely
Circuit board B.
2. handheld piezoelectric Jacquard tester according to claim 1, which is characterized in that
Shift register module is respectively equipped on the circuit board A and circuit board B；Wherein
The shift register module is suitable for the CPU serial signal exported being converted into parallel signal；And
The shift register module is further adapted for that corresponding information of completing is fed back to the CPU after the completion of data are displaced.
3. handheld piezoelectric Jacquard tester according to claim 2, which is characterized in that
The A plate front low pressure/high pressure conversion driving being connected with the shift register module on A plate is additionally provided on the circuit board A
Circuit and A back low pressure/high pressure conversion driving circuit；Wherein
A plate front low pressure/high pressure conversion driving circuit is suitable for being connected by an output port with the left side of piezoelectric jacquard；And
A back low pressure/high pressure conversion driving circuit is suitable for being connected by the output port with the right side of piezoelectric jacquard.
4. handheld piezoelectric Jacquard tester according to claim 3, which is characterized in that
The B plate front low pressure/high pressure conversion driving being connected with the shift register module on B plate is additionally provided on the circuit board B
Circuit and B back low pressure/high pressure conversion driving circuit；Wherein
B plate front low pressure/high pressure conversion driving circuit is suitable for being connected by an output port with the left side of piezoelectric jacquard；And
B back low pressure/high pressure conversion driving circuit is suitable for being connected by the output port with the right side of piezoelectric jacquard.
5. handheld piezoelectric Jacquard tester according to claim 4, which is characterized in that
Each low pressure/high pressure conversion driving circuit is identical, includes: triode Q1, triode Q2 and diode D1；
The parallel signal of shift register module output is input to the base stage of triode Q1 through resistance R2；
DC power supply is connected with the collector of triode Q2, and is connected simultaneously through resistance R1 with the collector of triode Q1；
The base stage of the triode Q2 is connected with the collector of triode Q1, and is connected simultaneously with the cathode of diode D1；It is described
The emitter of triode Q2 is connected with the anode of diode D1, and is connected simultaneously through resistance R4 with piezoelectric jacquard；
When the parallel signal of shift register module output is low level, triode Q1 cut-off, triode Q2 conducting makes piezoelectricity
Jacquard is in charged state；And
When the parallel signal of shift register module output is high level, triode Q1 conducting, triode Q2 cut-off makes piezoelectricity
Jacquard is in discharge condition.
6. handheld piezoelectric Jacquard tester according to claim 5, which is characterized in that
The handheld piezoelectric Jacquard tester further include: function button module；
The function button module includes:
Manual left avertence function button, manual right avertence function button, automatic left and right function button, single needle test function key, frequency
Regulatory function key and high-voltage switch gear function button；And
Corresponding function button is pressed, corresponding signal is transmitted to the CPU.
7. handheld piezoelectric Jacquard tester according to claim 6, which is characterized in that
The handheld piezoelectric Jacquard tester further include: power conversion module；
The power conversion module is suitable for external power supply being converted into DC180V voltage and DC5V voltage.
8. handheld piezoelectric Jacquard tester according to claim 7, which is characterized in that
The connector includes the 2*17 double cab of 2.54 spacing and the 1*4 single row of seats of double-row needle and 2.54 spacing and single
Needle；
The 2*17 double cab and double-row needle of 2.54 spacing are used for transmission transmission low pressure/high pressure conversion driving circuit output letter
Number；And
The 1*4 single row of seats and single needle of 2.54 spacing are used for transmission the serial signal of current signal and CPU output.
9. handheld piezoelectric Jacquard tester according to claim 8, which is characterized in that
After the circuit board A is connected with circuit board B, the circuit board A is located at the lower section of the circuit board B.
10. a kind of working method of handheld piezoelectric Jacquard tester characterized by comprising
Circuit board A as the motherboard and circuit board B as daughter board；Wherein
The circuit board A is equipped with CPU；And
The circuit board A is connected with circuit board B by connector, and the serial signal transfer exported CPU by connector is extremely
Circuit board B.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811215967.6A CN109085446B (en) | 2018-10-18 | 2018-10-18 | Portable piezoelectric jacquard tester and working method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811215967.6A CN109085446B (en) | 2018-10-18 | 2018-10-18 | Portable piezoelectric jacquard tester and working method thereof |
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| CN109085446B CN109085446B (en) | 2020-07-17 |
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