CN204894785U - Spiral phase detector of CIJ ink jet numbering machine - Google Patents
Spiral phase detector of CIJ ink jet numbering machine Download PDFInfo
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- CN204894785U CN204894785U CN201520629478.0U CN201520629478U CN204894785U CN 204894785 U CN204894785 U CN 204894785U CN 201520629478 U CN201520629478 U CN 201520629478U CN 204894785 U CN204894785 U CN 204894785U
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- ink jet
- numbering machine
- jet numbering
- detection ring
- coaxial cable
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Abstract
The utility model discloses a spiral phase detector of CIJ ink jet numbering machine, including detecting the utmost point, coaxial cable and signal acquisition circuit, detect a very confined detection ring, detection ring is last around there being multi turn coil, and circle and signal acquisition circuit work a telephone switchboard respectively at the coaxial cable both ends. The utility model discloses can respond to a stronger sensing signal, guarantee the high accuracy of ink droplet measuring, improve the print quality.
Description
Technical field
The utility model relates to industrial code-spraying machine technology field, particularly the spiral phase detectors of a kind of CIJ ink jet numbering machine.
Background technology
Ink jet numbering machine is that one passes through software control, use cordless at the equipment of the enterprising line identifier of product, primarily of ink-jet coded system and ink System's composition, the printhead of electric deflection formula continous inkjet ink jet numbering machine comprises a high-voltage deflection system, make the deflection in the electric field of charged ink dot realize the reduction of character by this high-voltage deflection system, usual this kind of ink jet numbering machine is called CIJ ink jet numbering machine.
As shown in Figure 1, shower nozzle 1, charging pole 2 and phase detectors 3 are provided with in the printhead of CIJ ink jet numbering machine, it prints principle: ink sprays from nozzle under the pressure effect of compression pump, ink is through nozzle, the piezo crystals body rod vertical tremor of nozzle interior, ink fragments into the equal and ink droplet 4 that size is identical of a string continuous print, spacing by the effect of piezo-electric crystal and forms ink droplet stream, ink droplet is successively through overcharge pole 2 and phase detectors 3, finally also need deflect in high-voltage deflection electric field, be printed on spray printing thing (product) with certain height; The very ink droplet that charges rushes to certain electricity, and the effect of phase detectors detects the charged situation of ink droplet ink droplet, and feeds back in master controller;
On market, the phase detectors of main flow are generally by detection pole 31, coaxial cable 32 and discharge circuit 33 form, refer to Fig. 2, detecting pole 31 common is coaxial cylindrical metal bar, the center line 321 of coaxial cable 32 is connected with the axle center 311 detecting pole, the outer shielding line 322 of coaxial cable is connected with the shell 312 detecting pole 31, during installation, detection pole 31 is arranged on and fills base part, its Cleaning Principle is: charged droplets 4 high speed can be equivalent on the conductor in vertical detection face by detection pole 31 has electric current to pass through, namely equivalent current is formed, magnetic field is produced around electric current, magnetic induction line makes it produce electromotive force through detecting pole 31, namely detect extremely and have small voltage, therefore a charged droplets all can make detection pole produce a pulse signal (induced signal) through detecting pole, the intensity of this signal is very faint, through coaxial cable be delivered to discharge circuit carry out multilevel amplifiers process after could by master controller identification, easily cause and detect inaccurate and undetected problem, cause master controller cannot obtain ink droplet charge information accurately, control to occur deviation to the charging of follow-up ink droplet, print quality is had a strong impact on.
In view of this, the present inventor proposes the spiral phase detectors of a kind of CIJ ink jet numbering machine, and adopt the detection pole of closed loop configuration to increase pulse signal strength, avoid detecting inaccurate and undetected problem, this case produces thus.
Utility model content
The purpose of this utility model is to provide a kind of CIJ ink jet numbering machine spiral phase detectors, and it can induce stronger induced signal, ensures the high accuracy that ink droplet detects, and improves print quality.
To achieve these goals, the solution that the utility model adopts is:
The spiral phase detectors of CIJ ink jet numbering machine, comprise and detect pole, coaxial cable and signal acquisition circuit; Described detection is a detection ring closed very, and detection ring is wound with multiturn coil, and coaxial cable two ends are wiring circle and signal acquisition circuit respectively.
Further, described detection ring is straight-flanked ring, and its length is 3mm, and width is 1.5mm.
Further, described detection ring is annulus, and its diameter is 3mm.
After adopting such scheme, the beneficial effects of the utility model are: the utility model detects very one with the closed detection ring of multiturn coil, it can induce larger induced signal by multiturn coil, prevent from detecting inaccurate and undetected situation, induced signal transfers to signal acquisition circuit through coaxial cable, this induced signal is sent to master controller by signal acquisition circuit, contributes to master controller and realizes high-precision ink droplet charging control, and improve print quality.
Below in conjunction with the drawings and specific embodiments, the utility model is described further.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing CIJ ink jet numbering machine printhead;
Fig. 2 is the structural representation of existing phase detectors.
Fig. 3 is structural representation of the present utility model;
Fig. 4 is front view of the present utility model;
Fig. 5 is the front view that the utility model is arranged in printhead.
Label declaration:
Shower nozzle 1, charging pole 2, phase detectors 3, detect pole 31, coaxial metal bar 311, detection ring 312, coil 313, coaxial cable 32, discharge circuit 33, signal acquisition circuit 34, ink droplet 4.
Detailed description of the invention
As shown in Figure 3, the spiral phase detectors of CIJ ink jet numbering machine that the utility model discloses, comprise and detect pole 31, coaxial cable 32 and signal acquisition circuit 34; Described detection pole 31 is a detection ring 312 closed, and detection ring 312 is wound with multiturn coil 313, and coaxial cable 32 two ends are wiring circle 313 and signal acquisition circuit 34 respectively.In the present embodiment, described detection ring 312 is straight-flanked ring or annulus, and the present embodiment selects straight-flanked ring as detection ring, its length is 3mm, width is 1.5mm, adopts the detection ring 312 magnetic induction line sectional area of this length and width to reach at least 4.5mm2, the enough induced signal intensity of generation.When adopting annulus as detection ring 312, annulus is preferably 3mm.
Refer to Fig. 4 and Fig. 5, when spiral phase detectors of the present utility model are arranged in printhead, detection ring 312 is positioned at the side immediately below charging pole 2, after shower nozzle 1 sprays ink droplet 4, charged droplets 4 is successively through overcharge pole 2 and detection ring 312, and the coil on detection ring 312 produces stronger induced-current, and induced-current has coaxial cable 32 to be delivered in signal acquisition circuit 34, thus obtain the charged information of ink droplet 4, if ink droplet is not charged, do not produce induced-current.
Advantage of the present utility model is: it is one with the closed detection ring 312 of multiturn coil that the utility model detects pole 31, it can induce larger induced signal by multiturn coil 313, prevent from detecting inaccurate and undetected situation, induced signal (induced-current) transfers to signal acquisition circuit through coaxial cable 32, this induced signal is sent to master controller by signal acquisition circuit 34, contribute to master controller and realize high-precision ink droplet charging control, and improve print quality.
These are only specific embodiment of the utility model, the restriction not to protection domain of the present utility model.All equivalent variations done according to the mentality of designing of this case, all fall into the protection domain of this case.
Claims (3)
- The spiral phase detectors of 1.CIJ ink jet numbering machine, is characterized in that: comprise and detect pole, coaxial cable and signal acquisition circuit; Described detection is a detection ring very, and detection ring is wound with multiturn coil, and coaxial cable two ends are wiring circle and signal acquisition circuit respectively.
- 2. the spiral phase detectors of CIJ ink jet numbering machine as claimed in claim 1, it is characterized in that: described detection ring is straight-flanked ring, its length is 3mm, and width is 1.5mm.
- 3. the spiral phase detectors of CIJ ink jet numbering machine as claimed in claim 1, it is characterized in that: described detection ring is annulus, its diameter is 3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520629478.0U CN204894785U (en) | 2015-08-20 | 2015-08-20 | Spiral phase detector of CIJ ink jet numbering machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520629478.0U CN204894785U (en) | 2015-08-20 | 2015-08-20 | Spiral phase detector of CIJ ink jet numbering machine |
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| Publication Number | Publication Date |
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| CN204894785U true CN204894785U (en) | 2015-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520629478.0U Active CN204894785U (en) | 2015-08-20 | 2015-08-20 | Spiral phase detector of CIJ ink jet numbering machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109941006A (en) * | 2017-12-20 | 2019-06-28 | 邓前军 | A kind of charge phase detection structure |
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2015
- 2015-08-20 CN CN201520629478.0U patent/CN204894785U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109941006A (en) * | 2017-12-20 | 2019-06-28 | 邓前军 | A kind of charge phase detection structure |
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