CN201385468Y - Printer paper shortage detecting device - Google Patents
Printer paper shortage detecting device Download PDFInfo
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- CN201385468Y CN201385468Y CN200920137250U CN200920137250U CN201385468Y CN 201385468 Y CN201385468 Y CN 201385468Y CN 200920137250 U CN200920137250 U CN 200920137250U CN 200920137250 U CN200920137250 U CN 200920137250U CN 201385468 Y CN201385468 Y CN 201385468Y
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- paper
- lamp
- receiving light
- printer
- warning circuit
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Abstract
The utility model discloses a printer paper shortage detecting device which comprises an infrared detecting lamp and an alarm circuit, wherein the infrared detecting lamp comprises a transmitting lamp and a receiving lamp which are placed in an oblique line and are respectively mounted in a holding cavity of a printer body, paper of paper rolls, which enters a printing head, is arranged between the transmitting lamp and the receiving lamp, and infrared rays which are sent to the receiving lamp by the transmitting lamp are shielded, the receiving lamp is further connected with an alarm circuit, and is communicated with an alarm circuit when receiving signals of the transmitting lamp. The printer paper shortage detecting device can accurately detect the paper shortage state of paper rollers which are adhered on a bottom cylinder and paper rollers which are not adhered on the bottom cylinder, the working reliability is high, and the use is convenient.
Description
Technical field
The utility model relates to PRN device, particularly a kind ofly detects the arrangement for detecting whether printer lacks paper.
Background technology
Printer commonly used can be with reference to shown in Figure 1, and it is provided with containing cavity 10 in fuselage, blank paper roll 20 be holding in this containing cavity 10, during printer work, upwards spur paper, drive paper roll 20 and rotate, simultaneously by exit slot 30 paper deliveries.
The printer media volume has two types in the market: a kind of is that the paper tail is adhesive in end tube (being refill), a kind of is that paper tail adhesion without adhesiver is at end tube, for first kind of paper roll 20, when paper runs low, because the paper tail is adhesive on the end tube, drive end tube and be pulled to exit slot 30, paper can be stuck, paper halts, and printer this moment also in work, by the time operating personnel are when finding, often duplicate printing has been repeatedly for last column of paper, and cause printhead and gear wear easily, shorten the service life of printer.
For second kind of paper roll 20, cooperate the bottom operated by rotary motion of printer containing cavity 10 that a gravity switch (not shown) is arranged, this gravity switch also is connected with a warning circuit, when paper was used up, end tube was spurring the tractive force that makes progress when paper is printed because lose printer, and drops under the gravity effect in the bottom of containing cavity 10, touch gravity switch, thereby the connection warning circuit, prompting operating personnel paper this moment use up, replenish installing paper roll 20 as early as possible; Yet this structure is only applicable to the paper roll 20 of paper tail adhesion without adhesiver at end tube, can't lack paper for first kind of paper roll 20 and remind, and has therefore limited its scope of application greatly, does not have versatility.
In order to make the paper-out detection equipment of the paper roll 20 that can be applicable to two types simultaneously, with reference to shown in Figure 2, it is a kind of ultrared sensing device, a pair of emission lamp 40 is arranged in the containing cavity 10 of printer with receiving light 50, and the left and right sides that emission lamp 40 and receiving light 50 are separately positioned on paper roll 20 over against the position, its particular location is: emission lamp 40 is in the same plane with receiving light 50, and the infrared ray of these emission lamp 40 directive receiving lights 50 is just blocked by the paper of paper roll 20, and receiving light 50 is connected with a warning circuit, and is communicated with warning circuit when receiving the infrared ray of emission lamp 40; Then in use, under normal circumstances, because the paper of reeling on the paper roll 20 is thicker, therefore infrared ray is stopped that receiving light 50 inductions are less than the infrared signal of emission lamp 40, warning circuit disconnects, when paper is used up, not have paper on the paper roll 20 again and twine, receiving light 50 is sensed the infrared signal of emission lamp 40, connect warning circuit, send scarce paper caution; Yet, owing to the connection of warning circuit whether aforementioned means is whether to sense the infrared ray that sends of emission lamp 40 according to receiving light 50 to judge, therefore it is provided with the position strict demand need be arranged: promptly the infrared ray bottom paper that must be wrapped in just on the paper roll 20 blocks, yet in actual applications, because the otherness between operate miss and the individual sample, always be offset, as being intercepted by second layer paper near paper roll 20, and send warning in advance, or intercepted by the end tube on the paper roll 20 and can not normally finish warning function, functional reliability is low.
In view of this, the design people studies improvement at present paper-out detection device, and this case produces thus.
The utility model content
Main purpose of the present utility model is to provide a kind of printer paper-out detection device, and its sensing is accurate, and the functional reliability height is easy to use.
In order to reach above-mentioned purpose, solution of the present utility model is:
A kind of printer paper-out detection device, comprise infrared detecting lamp and warning circuit, described infrared detecting lamp comprises emission lamp and the receiving light that is the oblique line placement, be installed in respectively in the containing cavity of printer body, and make paper that paper roll enters printhead between emission lamp and receiving light, and will launch the infrared ray obstruct of lamp directive receiving light; Receiving light also is connected with warning circuit, and is communicated with warning circuit when receiving the signal of emission lamp.
Above-mentioned emission lamp and receiving light are separately positioned on the bottom in left side of containing cavity and the top on right side.
Above-mentioned emission lamp and receiving light are separately positioned on the clinodiagonal position of containing cavity.
Above-mentioned warning circuit is connected with alarm lamp.
Above-mentioned warning circuit is connected with buzzer.
After adopting such scheme, the utility model is provided with the infrared detecting lamp of a pair of diagonally opposing corner respectively by the paper both sides of stretching between paper roll and printhead, the infrared ray that the emission lamp sends can not be received the lamp induction because of paper intercepts, thereby disconnects warning circuit, have only when paper is used up, receiving light is sensed the infrared ray that the emission lamp sends, and triggers warning circuit, begins to report to the police, remind operating personnel to change paper, sensing is accurate, and the functional reliability height is easy to use.
Description of drawings
Fig. 1 is the printer structural representation of existing installing paper roll;
Fig. 2 is a kind of structural representation of existing paper-out detection device;
Fig. 3 is a structural representation of the present utility model;
Fig. 4 is the connection diagram of warning circuit in the utility model;
Fig. 5 is the schematic diagram of the utility model when paper is unexhausted;
Fig. 6 is the schematic diagram of first type of paper roll when using up;
Fig. 7 is the schematic diagram of second type of paper roll when using up.
The specific embodiment
Below in conjunction with drawings and the specific embodiments the utility model is elaborated,
With reference to shown in Figure 3, a kind of printer paper-out detection device of the utility model comprises infrared detecting lamp 1 and warning circuit 2.
Infrared detecting lamp 1 comprises a pair of emission lamp 11 and receiving light 12, is in the containing cavity 3 that oblique line is arranged on printer body, and makes paper roll 4 enter the paper of printhead 5 between emission lamp 11 and receiving light 12; In the present embodiment, emission lamp 11 and receiving light 12 are installed in the left bottom and the top, right side of containing cavity 3 respectively, and are positioned at the position of clinodiagonal, and the infrared ray that emission lamp 11 is sent just can block by paper, receive and can not be received lamp 12.
During present embodiment work, when paper does not also use up, between exit slot 5 and paper roll 4, always there is paper to link, because blocking of paper, receiving light 12 can't be sensed the infrared ray that emission lamp 11 sends, and can't trigger warning circuit 2 this moment, and warning lamp 21 and buzzer 22 are not worked; When paper is used up, for the paper tail has the paper roll 4 that is adhesive in end tube, printer traction paper moves to the direction of exit slot 5, drive end tube and move (with reference to shown in Figure 6) to exit slot 5 directions, and for the paper roll 4 of paper tail adhesion without adhesiver at end tube, end tube can drop in the bottom of containing cavity 3, paper continues to move (with reference to shown in Figure 7) to exit slot 5, and then for two types paper roll 4, the paper in the containing cavity 3 all can be fewer and feweri, until not intercepting the infrared ray that emission lamp 11 sends, after receiving light 12 is sensed infrared ray, connect warning circuit 2, warning lamp 21 begins flicker, buzzer 22 warnings that pipe simultaneously, the paper roll 4 that the prompting operating personnel more renew; By the time new paper roll 4 installings finish, and Paper tractor is arrived exit slot 5, the paper of expansion stops infrared ray that this moment, receiving light 12 can't not trigger warning circuit 2 because of there being induced signal again.
In sum, a kind of printer paper-out detection device of the utility model, focus on a pair of emission lamp 11 and the receiving light 12 that is the clinodiagonal placement of installing in containing cavity 3, and will launch the both sides that lamp 11 and receiving light 12 are separately positioned on the paper that launches between paper roll 4 and the exit slot 5, make paper will launch the infrared ray obstruct that lamp 11 sends, when the paper that twines on the end tube is used up, can't intercept infrared ray, thereby receiving light 12 is sensed the infrared ray of emission lamp 11, connect warning circuit 2, send sound and light alarm, it is to utilize the paper that is deployed between exit slot 5 and the paper roll 4 to intercept infrared ray between receiving light 12 and the emission lamp 11, no matter use whether the paper roll that is adhesive on the end tube is arranged, when paper is used up, all can lose and block ultrared, sensing is accurate, can not produce false alarm, easy to use.
Above embodiment only is explanation technological thought of the present utility model; can not limit protection domain of the present utility model with this; every according to the technological thought that the utility model proposes, any change of being done on the technical scheme basis all falls within the utility model protection domain.
Claims (5)
1, a kind of printer paper-out detection device, it is characterized in that: comprise infrared detecting lamp and warning circuit, described infrared detecting lamp comprises emission lamp and the receiving light that is the clinodiagonal placement, be installed in respectively in the containing cavity of printer body, and make paper that paper roll enters printhead between emission lamp and receiving light, and will launch the infrared ray obstruct of lamp directive receiving light; Receiving light also is connected with warning circuit, and when paper roll is used up, receive the emission lamp signal and be communicated with warning circuit.
2, printer paper-out detection device as claimed in claim 1 is characterized in that: described emission lamp and receiving light are separately positioned on the left bottom and the top, right side of containing cavity.
3, printer paper-out detection device as claimed in claim 1 is characterized in that: described emission lamp and receiving light are separately positioned on the clinodiagonal position of containing cavity.
4, printer paper-out detection device as claimed in claim 1 is characterized in that: described warning circuit is connected with buzzer.
5, printer paper-out detection device as claimed in claim 1 is characterized in that: described warning circuit is connected with alarm lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920137250U CN201385468Y (en) | 2009-03-20 | 2009-03-20 | Printer paper shortage detecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920137250U CN201385468Y (en) | 2009-03-20 | 2009-03-20 | Printer paper shortage detecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201385468Y true CN201385468Y (en) | 2010-01-20 |
Family
ID=41577993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920137250U Expired - Lifetime CN201385468Y (en) | 2009-03-20 | 2009-03-20 | Printer paper shortage detecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201385468Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103612935A (en) * | 2013-12-05 | 2014-03-05 | 吴中区甪直渡岘工艺品厂 | Paper sensing device used for printing machine |
| CN105701959A (en) * | 2016-04-01 | 2016-06-22 | 王洋 | Real-time monitoring early-warning device and real-time monitoring early-warning method for residual paper amount of carton |
-
2009
- 2009-03-20 CN CN200920137250U patent/CN201385468Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103612935A (en) * | 2013-12-05 | 2014-03-05 | 吴中区甪直渡岘工艺品厂 | Paper sensing device used for printing machine |
| CN105701959A (en) * | 2016-04-01 | 2016-06-22 | 王洋 | Real-time monitoring early-warning device and real-time monitoring early-warning method for residual paper amount of carton |
| CN105701959B (en) * | 2016-04-01 | 2019-04-26 | 王洋 | A kind of carton residue paper amount Monitoring and forecasting system in real-time device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100120 |
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| CX01 | Expiry of patent term |