CN208568992U - A kind of piezoelectric jacquard driving circuit board checking device - Google Patents
A kind of piezoelectric jacquard driving circuit board checking device Download PDFInfo
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- CN208568992U CN208568992U CN201821244227.0U CN201821244227U CN208568992U CN 208568992 U CN208568992 U CN 208568992U CN 201821244227 U CN201821244227 U CN 201821244227U CN 208568992 U CN208568992 U CN 208568992U
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- circuit board
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- piezoelectric jacquard
- high pressure
- driving circuit
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Abstract
The utility model relates to a kind of piezoelectric jacquard driving circuit board checking devices, comprising: single-chip microcontroller, signal processing unit and low pressure/high pressure converting unit；The signal processing unit is suitable for that the output signal of the single-chip microcontroller is extended and is handled, and signal is transmitted to low pressure/high pressure converting unit by treated；And after the low pressure/high pressure converting unit receives signal, suitable for the output voltage of piezoelectric jacquard drive circuit board is transmitted to an oscillograph；The piezoelectric jacquard driving circuit board checking device of the utility model includes single-chip microcontroller, key switch, decoder, phase inverter, resistance, triode, light emitting diode and optocoupler, it is controlled by single-chip microcontroller, the output voltage of 64 output points of piezoelectric jacquard drive circuit board is fed sequentially on oscillograph, the quality of output point is directly judged from the waveform of oscilloscope display, it is simple and efficient, compared to artificial detection, not only accuracy rate is high, moreover it is possible to save the plenty of time.
Description
Technical field
The utility model relates to textile machine apparatus fields, and in particular to tricot machine electronic jacquard tricot machine control field especially relates to
And arrive a kind of piezoelectric jacquard driving circuit board checking device.
Background technique
By taking the tricot machine of domestic 268 inches of E24 needles as an example, a machine needs 201 pieces of drive circuit boards, every piece of driving plate
There are 64 output points, then one shares 12864 output points, if successively detecting each output point with oscillograph artificial detection,
A large amount of manpowers are not only needed, also to be taken considerable time.
Method more commonly used at present is to simulate to build a set of piezoelectric jacquard control system, after normal power-up, uses piezoelectricity
Jacquard needle successively detects each piece of piezoelectric jacquard drive circuit board.This method detects 32 output points every time, fast,
The plenty of time can be saved.But due to artificial detection, the result is that detect by an unaided eye, for more intensive piezoelectric jacquard
Needle, measurement intersect and left and right movement when, be easy it is dazzled, omit fall fault point.And using piezoelectric jacquard needle without
Method measures a certain range of output point over-voltage and under-voltage fault.
Utility model content
The purpose of the utility model is to provide a kind of piezoelectric jacquard driving circuit board checking devices, to solve existing detection skill
It is taken considerable time in art, manpower, and the problem that accuracy rate of testing result is low.
In order to reach above-mentioned purpose of utility model, the utility model provides a kind of piezoelectric jacquard drive circuit board detection dress
It sets, comprising: single-chip microcontroller, signal processing unit and low pressure/high pressure converting unit；Wherein the signal processing unit is suitable for described
The output signal of single-chip microcontroller is extended and handles, and signal is transmitted to low pressure/high pressure converting unit by treated；And institute
It states after low pressure/high pressure converting unit receives signal, shows suitable for the output voltage of piezoelectric jacquard drive circuit board is transmitted to one
Wave device.
Further, the piezoelectric jacquard driving circuit board checking device further include: key switch；The key switch is pressed
When, a low level signal is transmitted to single-chip microcontroller；And the single-chip microcontroller is suitable for handling the low level signal received, and
A signal is exported to the signal processing unit.
Further, the signal processing unit includes: decoder module and inverter modules；The wherein decoder module
Suitable for the output signal of single-chip microcontroller is converted to multi-way control signals, and multi-way control signals are transmitted to inverter modules；With
And the inverter modules are suitable for that the phasing back 180 degree of signal will be controlled from each road of decoder module, and are transmitted to low
Pressure-high pressure converting unit.
Further, the piezoelectric jacquard driving circuit board checking device includes several low pressure/high pressure converting units；
Each low pressure/high pressure converting unit respectively by controlling signal control all the way.
Further, the low pressure-high pressure converting unit includes: resistance, light emitting diode, triode and optocoupler；Wherein institute
Resistance is stated to be suitable for that the light emitting diode will be transferred to after the corresponding control signal current limliting from inverter modules；It is described to shine
Diode is indicator light, for showing corresponding low pressure-high pressure converting unit working condition；The triode is suitable for come from
Switching signal is converted in the corresponding control signal of inverter modules, and is transferred to the optocoupler；And pass through the optocoupler control
The output voltage of piezoelectric jacquard drive circuit board processed is transmitted to the oscillograph.
Further, each low pressure/high pressure converting unit includes several optocouplers.
Further, the decoder module includes two 3-8 decoders；The single-chip microcontroller is suitable for four road signals of output；With
And the decoder module is suitable for four road signals of single-chip microcontroller being converted into 16 road chip selection signals.
Compared with prior art, the utility model has the beneficial effects that the piezoelectric jacquard drive circuit board of the utility model
Detection device includes single-chip microcontroller, key switch, decoder, phase inverter, resistance, triode, light emitting diode and optocoupler, passes through list
The control of piece machine, the output voltage of 64 output points of piezoelectric jacquard drive circuit board is fed sequentially on oscillograph, from oscillograph
The quality that output point is directly judged on the waveform of display, is simple and efficient.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the schematic diagram of the piezoelectric jacquard driving circuit board checking device of the utility model.
Specific embodiment
The utility model is described in further detail presently in connection with attached drawing.These attached drawings are simplified schematic diagram,
Only illustrate the basic structure of the utility model in a schematic way, therefore it only shows composition related with the utility model.
Embodiment
Fig. 1 is the schematic diagram of the piezoelectric jacquard driving circuit board checking device of the utility model.
As shown in Figure 1, present embodiments providing a kind of piezoelectric jacquard driving circuit board checking device, comprising: single-chip microcontroller, letter
Number processing unit and low pressure/high pressure converting unit；Wherein the signal processing unit is suitable for the output signal to the single-chip microcontroller
It is extended and handles, and signal is transmitted to low pressure/high pressure converting unit by treated；And the low pressure/high pressure conversion
After unit receives signal, suitable for the output voltage of piezoelectric jacquard drive circuit board is transmitted to an oscillograph.
Specifically, the single-chip microcontroller such as, but not limited to uses ATMEL series atm EG16A single-chip microcontroller.
The piezoelectric jacquard driving circuit board checking device further include: key switch；When the key switch is pressed, to single
Piece machine transmits a low level signal；And the single-chip microcontroller is suitable for handling the low level signal received, and exports one
Signal is to the signal processing unit.
Specifically, in the present embodiment, key switch is pressed, it is suitable for giving single-chip microcontroller one low level signal, single-chip microcontroller starts
Work.
The signal processing unit includes: decoder module and inverter modules；Wherein the decoder module is suitable for inciting somebody to action
The output signal of single-chip microcontroller is converted to multi-way control signals, and multi-way control signals are transmitted to inverter modules；And it is described
Inverter modules are suitable for that the phasing back 180 degree of signal will be controlled from each road of decoder module, and are transmitted to low pressure-high pressure
Converting unit.
Specifically, the output signal of single-chip microcontroller is translated by multichannel independent control signal mutually by decoder module, from
And realize and the voltage output of the multiple output points of piezoelectric jacquard drive circuit board is controlled simultaneously, to realize automatic test.
Specifically, the inverter modules such as, but not limited to use 74HC14 type phase inverter；Pass through the phase inverter mould
Low level control signal from decoder module is converted to high-level control signal by block；The inverter modules are arranged can also
Enough improve low pressure-high pressure converting unit driving capability.
The piezoelectric jacquard driving circuit board checking device includes several low pressure/high pressure converting units；It is each low
Pressure/high pressure converting unit is controlled by the signal of control all the way of inverter modules output respectively.
The low pressure-high pressure converting unit includes: resistance, light emitting diode, triode and optocoupler, wherein the triode
Base stage be connected to the output ends of inverter modules, collector is connected to a wherein input terminal for optocoupler；The one of the resistance
End is connected with the base stage of triode, and the other end is connected with the anode of the light emitting diode；And the light emitting diode
Cathode is connected and is grounded with the emitter of triode；Another input terminal of the optocoupler is connected to a positive pole, and the one of optocoupler
Output end is connected to the output point of piezoelectric jacquard drive circuit board, and another output end of optocoupler is connected to oscillograph.
Specifically, the resistance is suitable for that luminous two will be transferred to after the corresponding control signal current limliting of inverter modules
Pole pipe；The light emitting diode is indicator light, for showing each low pressure-high pressure converting unit working condition.
Specifically, the triode is suitable for that switching signal will be converted to from the corresponding control signal of inverter modules,
And it is transferred to optocoupler；And the optocoupler plays Phototube Coupling, and under the low-voltage signal control that triode transmits, control
Whether the high voltage of piezoelectric jacquard drive circuit board output processed is transferred to oscillograph.
The low pressure/high pressure converting unit includes several equal photoelectrical couplers.
Specifically, in the present embodiment, each low pressure/high pressure converting unit includes four optocouplers, the optocoupler for example but
It is not limited to using AQV104 type.
The decoder module includes two 3-8 decoders；The single-chip microcontroller is suitable for four road signals of output；And it described translates
Code device module is suitable for four road signals of single-chip microcontroller being converted into 16 road chip selection signals.
Specifically, in the present embodiment, the decoder module includes two 3-8 decoders, decoded by two 3-8
Device is extended to 4-16 decoder, thus by the road the signal extension Cheng Shiliu chip selection signal of four road I/O of single-chip microcontroller output；It is described
3-8 decoder such as, but not limited to uses 74HC138 type decoder.
For being equipped with for the piezoelectric jacquard drive circuit board of 64 output points, the low pressure/high pressure conversion of the present embodiment is single
Settable 16, member, four optocouplers are set, each light occasionally controls a piezoelectric jacquard and drives in each low pressure/high pressure converting unit
The voltage output of dynamic circuit board, i.e., each low pressure/high pressure converting unit export the electricity of four road piezoelectric jacquard drive circuit boards simultaneously
It presses on signal to oscillograph.
The output time of the signal of every road control in the present embodiment is controlled by single-chip microcomputer timer internal, when settable output
Between be 1.5 seconds；It in addition can be 50 milliseconds of a cycles by the voltage output set of frequency of piezoelectric jacquard drive circuit board,
In the period for controlling signal all the way, the waveform voltage signal in three periods can be seen on oscillograph, then arrangement above is pressed,
16 groups of low pressure/high pressure converting unit, every group of 4 optocouplers, the time for detecting one piece of piezoelectric jacquard drive circuit board only need 24 seconds.
The piezoelectric jacquard driving circuit board checking device of the present embodiment includes single-chip microcontroller, key switch, decoder, reverse phase
Device, resistance, triode, light emitting diode and optocoupler, are controlled by single-chip microcontroller, by 64 output points of piezoelectric jacquard drive circuit board
Output voltage be fed sequentially on oscillograph, the quality of output point is directly judged from the waveform of oscilloscope display, compared to
Artificial inspection detection, not only accuracy rate is high, moreover it is possible to save the plenty of time.
It is enlightenment, through the above description, related work people with the above-mentioned desirable embodiment according to the utility model
Member can carry out various changes and amendments in the range of without departing from this item utility model technical idea completely.This item is real
It is not limited to the contents of the specification with novel technical scope, it is necessary to its technology is determined according to scope of the claims
Property range.
Claims (7)
1. a kind of piezoelectric jacquard driving circuit board checking device characterized by comprising
Single-chip microcontroller, signal processing unit and low pressure/high pressure converting unit；Wherein
The signal processing unit is suitable for that the output signal of the single-chip microcontroller is extended and is handled, and will treated signal
It is transmitted to low pressure/high pressure converting unit；And
After the low pressure/high pressure converting unit receives signal, suitable for the output voltage of piezoelectric jacquard drive circuit board is transmitted
To an oscillograph.
2. piezoelectric jacquard driving circuit board checking device according to claim 1, which is characterized in that
The piezoelectric jacquard driving circuit board checking device further include: key switch；
When the key switch is pressed, a low level signal is transmitted to single-chip microcontroller；And
The single-chip microcontroller is suitable for handling the low level signal received, and exports a signal to the signal processing list
Member.
3. piezoelectric jacquard driving circuit board checking device according to claim 2, which is characterized in that
The signal processing unit includes: decoder module and inverter modules；
The decoder module is suitable for the output signal of single-chip microcontroller being converted to multi-way control signals, and multi-way control signals are passed
Transport to inverter modules；And
The inverter modules are suitable for that the phasing back 180 degree of signal will be controlled from each road of decoder module, and are transmitted to
Low pressure-high pressure converting unit.
4. piezoelectric jacquard driving circuit board checking device according to claim 3, which is characterized in that
The piezoelectric jacquard driving circuit board checking device includes several low pressure/high pressure converting units；
Each low pressure/high pressure converting unit respectively by controlling signal control all the way.
5. piezoelectric jacquard driving circuit board checking device according to claim 4, which is characterized in that
The low pressure-high pressure converting unit includes:
Resistance, light emitting diode, triode and optocoupler；Wherein
The resistance is suitable for that the light emitting diode will be transferred to after the corresponding control signal current limliting from inverter modules；
The light emitting diode is indicator light, for showing corresponding low pressure-high pressure converting unit working condition；
The triode is suitable for that switching signal will be converted to from the corresponding control signal of inverter modules, and is transferred to described
Optocoupler；And
The oscillograph is transmitted to by the output voltage that the optocoupler controls piezoelectric jacquard drive circuit board.
6. piezoelectric jacquard driving circuit board checking device according to claim 5, which is characterized in that
Each low pressure/high pressure converting unit includes several optocouplers.
7. piezoelectric jacquard driving circuit board checking device according to claim 6, which is characterized in that
The decoder module includes two 3-8 decoders；
The single-chip microcontroller is suitable for four road signals of output；And
The decoder module is suitable for four road signals of single-chip microcontroller being converted into 16 road chip selection signals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821244227.0U CN208568992U (en) | 2018-08-02 | 2018-08-02 | A kind of piezoelectric jacquard driving circuit board checking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821244227.0U CN208568992U (en) | 2018-08-02 | 2018-08-02 | A kind of piezoelectric jacquard driving circuit board checking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208568992U true CN208568992U (en) | 2019-03-01 |
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ID=65449492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821244227.0U Active CN208568992U (en) | 2018-08-02 | 2018-08-02 | A kind of piezoelectric jacquard driving circuit board checking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208568992U (en) |
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2018
- 2018-08-02 CN CN201821244227.0U patent/CN208568992U/en active Active
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