CN209534489U - Slide position detection module and printer - Google Patents
Slide position detection module and printer Download PDFInfo
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- CN209534489U CN209534489U CN201821916380.3U CN201821916380U CN209534489U CN 209534489 U CN209534489 U CN 209534489U CN 201821916380 U CN201821916380 U CN 201821916380U CN 209534489 U CN209534489 U CN 209534489U
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- light
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- emitting component
- photosensitive element
- lid door
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- Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
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Abstract
This disclosure relates to a kind of slide position detection module and printer, the slide position detection module includes circuit board, the light-emitting component with single light emission direction and the photosensitive element with single photosensitive direction, light-emitting component and photosensitive element are directly welded on circuit board and opposite arrangement, photosensitive element are used to receive the light of light-emitting component sending.Through the above technical solution, the light-emitting component as employed in slide position detection module and photosensitive element have directionality, light-emitting component will not issue the light in other directions, photosensitive element will not receive the light in other directions, therefore light-emitting component and photosensitive element can be directly welded on circuit board, without the light barrier device such as black shell is arranged, therefore number of elements can be reduced, cost is reduced, simplifies structure, reduces occupied space.
Description
Technical field
This disclosure relates to sensing detection technical field, and in particular, to a kind of slide position detection module and printer.
Background technique
The basic principle of photo-electric slide position detection module is, when moving part is in different location status, moving part pair
The blocking effect for the light that light-emitting component issues is different, to keep the output state of photosensitive element also different, reaches detection with this
Purpose.
In the related technology, light-emitting component and photosensitive element used by photo-electric detection module do not have directionality, that is,
Light-emitting component can one way or another shine, photosensitive element can receive all directions light.In order to reduce light-emitting component to its institute
It interferes caused by the other parts of system and exterior, while in order to which other optical signals of filtering appts and exterior light are believed
It number is interfered to caused by photosensitive element, needs to be embedded light-emitting component and photosensitive element in a black shell, and black at this
Narrow light slot is opened up on color shell to control the direction of light.There are two defects for this scheme: first is that increasing black shell, making
It obtains number of elements to increase, increased costs；Second is that black shell size on short transverse (perpendicular to the direction of circuit board) is larger,
And its occupied board area is also larger, is unfavorable for the miniaturization of electronic equipment.
Utility model content
To overcome the problems in correlation technique, the disclosure provides a kind of slide position detection module, the slide position
Detection module structure is simple, occupies little space.
According to the first aspect of the embodiments of the present disclosure, a kind of slide position detection module is provided, which detects mould
Block includes circuit board, the light-emitting component with single light emission direction, the photosensitive element with single photosensitive direction, the luminous member
Part and the photosensitive element are directly welded on the circuit board and opposite arrangement, and the photosensitive element is for receiving described shine
The light that element issues.
Optionally, the slot for avoiding tested moving part, the light-emitting component and the sense are formed on the circuit board
Optical element is placed in the two sides of the slot.
Optionally, the luminescence band of the light-emitting component is identical with the photosensitive wave band of the photosensitive element.
According to the second aspect of an embodiment of the present disclosure, a kind of printer is provided, which includes cartridge lid door, described
Slide position detection device, the slide position detection device are used to detect the opening and closing of the cartridge lid door.
Optionally, the printer further includes the lever as tested moving part, and the lever can be around its fulcrum at first
It sets and is rotated between the second position；When the cartridge lid door is in close state, the lever is in the first position, institute
The light for stating light-emitting component sending is stopped by the lever；The cartridge lid door in the open state, the lever is in institute
The second position is stated, the light that the light-emitting component issues is received by the photosensitive element；In the cartridge lid door closing process, institute
Lever is stated to be stirred by the cartridge lid door to be rotated in a first direction from the second position to the first position.
Optionally, the center of gravity of the lever and the fulcrum of the lever are staggered；In the cartridge lid door opening procedure, institute
It states lever and turns to institute from the first position along second direction opposite to the first direction under the effect of gravity
State the second position.
Optionally, the printer further includes reset spring, and the reset spring is connected with the lever；In the cartridge
In lid door opening procedure, the lever is under the action of the reset spring from the first position edge and the first direction phase
Anti- second direction turns to the second position.
Optionally, the middle part of the lever is pivoted on the casing of the printer by shaft.
Optionally, the side of the lever is formed with light barrier, the light for stopping the light-emitting component to issue.
Optionally, it is formed with limiting section on the light barrier, when the lever is in the first position, the limit
Portion and the circuit board contacts continue to rotate along the first direction to limit the lever.
The technical scheme provided by this disclosed embodiment can include the following benefits:
The light-emitting component as employed in the slide position detection module of the disclosure and photosensitive element have directionality, hair
Optical element will not issue the light in other directions, and photosensitive element will not receive the light in other directions, therefore can will send out
Optical element and photosensitive element are directly welded on circuit board, without the light barrier device such as above-mentioned black shell is arranged,
Therefore number of elements can be reduced, cost is reduced, simplifies structure, reduces occupied space
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not
The disclosure can be limited.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the disclosure
Example, and together with specification for explaining the principles of this disclosure.
Fig. 1 is the structural schematic diagram of slide position detection module shown according to an exemplary embodiment；
Fig. 2 is that the part-structure of the printer shown according to an exemplary embodiment comprising slide position detection module shows
It is intended to, the lever wherein indicated in figure is in first position；
Fig. 3 is that the part-structure of the printer shown according to an exemplary embodiment comprising slide position detection module shows
It is intended to, the lever wherein indicated in figure is in the second position；
Fig. 4 is that the part-structure of the printer shown according to an exemplary embodiment comprising slide position detection module shows
It is intended to, the casing of printer is shown；
Fig. 5 is that the part-structure of the printer shown according to an exemplary embodiment comprising slide position detection module shows
It is intended to, specially the partial structural diagram of Fig. 4.
Specific embodiment
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all implementations consistent with this disclosure.On the contrary, they be only with it is such as appended
The example of the consistent device and method of some aspects be described in detail in claims, the disclosure.
As shown in Figure 1 to Figure 3, the disclosure provides a kind of slide position detection module, the detection module include circuit board 1,
Light-emitting component 2 with single light emission direction, the photosensitive element 3 with single photosensitive direction.Wherein, light-emitting component 2 and photosensitive
Element 3 is directly welded on circuit board 1 and opposite arrangement, so that the light of the sending of light-emitting component 2 can be connect by photosensitive element 3
It receives.
When tested moving part is moved between light-emitting component 2 and photosensitive element 3, the light Passive part of the sending of light-emitting component 2
Stop, photosensitive element 3 can not receive light；After tested moving part is removed between light-emitting component 2 and photosensitive element 3, shine
The light that element 2 issues no longer Passive part stops, but is received by photosensitive element 3.Photosensitive element 3 is defeated under above two state
Electric signal out is different, whereby it can be detected that the position of moving part.
In a kind of exemplary embodiment that the disclosure provides, when the light Passive part that light-emitting component 2 issues stops, sense
Optical element 3 does not receive light, exports high level；When the light that light-emitting component 2 issues no longer Passive part stops, photosensitive element
3 receive light, export low level.However, the present disclosure is not limited thereto, as long as photosensitive element 3 exports under above two state
Electric signal it is different.
Through the above technical solutions, the light-emitting component 2 as employed in the slide position detection module of the disclosure and sense
Optical element 3 has directionality, and light-emitting component 2 will not issue the light in other directions, and photosensitive element 3 will not receive its other party
To light, therefore light-emitting component 2 and photosensitive element 3 can be directly welded on circuit board 1, it is for example above-mentioned without being arranged
The light barriers device such as black shell, therefore number of elements can be reduced, cost is reduced, simplify structure, reduce occupied space.
Here, the light-emitting component with single light emission direction and the photosensitive element with single photosensitive direction are this field skill
Known to art personnel, do not elaborate at this to its structure and principle.In an alternative embodiment, light-emitting component 2 can
To select the LTE-S3201-ZB type optical transmitting set of LITEON (Guang Bao group), photosensitive element 3 can select the LTR- of LITEON
S320-TB type optical receiver, however the present disclosure is not limited thereto.
In a kind of exemplary embodiment that the disclosure provides, light-emitting component 2 and photosensitive member are moved to for the ease of moving part
Between part 3, as shown in Figure 1, being formed with the slot 11 for avoiding moving part on circuit board 1, light-emitting component 2 and photosensitive element 3 divide
It is placed in the two sides of slot 11.When moving part is inserted in slot 11, moving part prevents photosensitive element 3 from receiving the light that light-emitting component 2 issues,
When moving part exits slot 11, photosensitive element 3 can receive the light of the sending of light-emitting component 2, so as to realize detection moving part
The purpose of position.
Further, the luminescence band of light-emitting component 2 can be identical with the photosensitive wave band of photosensitive element 3, to exclude it
Interference of the light of all band to photosensitive element 3, while 2 pairs of external worlds of light-emitting component being avoided to cause light pollution.
In a kind of exemplary embodiment that the disclosure provides, light-emitting component 2 can use infrared light-emitting diode, photosensitive
Element 3 can use infrared light sensitive diode, however the present disclosure is not limited thereto.
The disclosure also provides a kind of printer, and as shown in Fig. 2, Fig. 3 and Fig. 4, which includes cartridge lid door 4, with
And slide position detection device as described above, the slide position detection device are used for the switch to the cartridge lid door 4 of printer
State is detected.
Further, printer further includes the lever 5 as tested moving part, which can be around its fulcrum in first position
It is rotated between the second position.
When cartridge lid door 4 is in close state, as shown in Fig. 2, lever 5 is in first position, what light-emitting component 2 issued
Light is stopped by lever 5, and photosensitive element 3 can not receive the light of the sending of light-emitting component 2.
Cartridge lid door 4 in the open state, as shown in figure 3, lever 5 is in the second position, what light-emitting component 2 issued
Light is no longer stopped by lever 5, so that photosensitive element 3 be made to receive the light that light-emitting component 2 issues.
During closing cartridge lid door 4, as shown in Fig. 2, lever 5 is stirred by cartridge lid door 4 with from second position edge
First direction R1 turns to first position.
Photosensitive element 3 exports different electric signals in the case where cartridge lid door 4 opens and closes two states, so as to realize
Detection to the switch state of cartridge lid door 4.
In the disclosure, the second position can be turned to from first position by any suitable mode activation lever 5.
As a kind of optional embodiment, the center of gravity of lever 5 and the fulcrum of lever 5 are staggered, that is, center of gravity is not weighed with fulcrum
It closes.During opening cartridge lid door 4, as shown in figure 3, lever 5 is under the effect of gravity from first position along with the
One direction R1 opposite second direction R2 turns to the second position；During closing cartridge lid door 4, as shown in Fig. 2, cartridge
Lid door 4 presses lever 5 and the effect of 5 self gravity of lever is overcome to turn to first position along first direction R1 from the second position.
Alternatively optional embodiment, printer can also include reset spring (not shown), reset spring
One end is connected with lever 5, and the other end is connected with the casing 10 (referring to fig. 4) of printer.During opening cartridge lid door 4,
Lever 5 turns to second from first position along the second direction R2 opposite with first direction R1 under the action of reset spring
It sets；During closing cartridge lid door 4, cartridge lid door 4 is pressed under the action of the lever 5 overcomes the elastic force of reset spring
First position is turned to from the second position along first direction R1.
Further, as shown in Figure 4 and Figure 5, the middle part of lever 5 can be pivoted on the machine of printer by shaft 51
On shell 10, which is the fulcrum of lever 5.Further, as shown in figure 5, being formed with bracket on the inner wall of casing 10
101, shaft 51 is mounted on bracket 101.
For the ease of the light being inserted into above-mentioned slot 11 to stop light-emitting component 2 to issue, in a kind of exemplary implementation
In example, the side of lever 5 is formed with the light barrier 52 for the light for stopping light-emitting component 2 to issue.When closing cartridge lid door 4, cartridge
Lid door 4 presses one end of lever 5 so that the light barrier 52 on the other end of lever 5 is plugged in above-mentioned slot 11, to hinder
Only photosensitive element 3 receives the light that light-emitting component 2 issues；When opening cartridge lid door 4, light barrier 52 is moved back out of above-mentioned slot 11
Out, photosensitive element 3 can receive the light of the sending of light-emitting component 2.
Further, as shown in Fig. 2, Fig. 3, Fig. 4 and Fig. 5, the lower end of light barrier 52 could be formed with limiting section 521,
Limiting section 521 for example can be plate structure.When cartridge lid door 4 is closed, lever 5 turns to first position, and light barrier 42 is inserted
It is located in slot 11, limiting section 521 is contacted with the circuit board 1.At this point, as shown in Fig. 2, one end of lever 5 is by cartridge lid door 4
Limit rotate lever 5 can not R1 in a second direction, and the other end of lever 5 is limited by circuit board 1, makes lever 5 can not be along first
Direction R1 rotation, therefore lever 5 can be stably maintained at first position, it will not shake, so that it is quasi- to improve detection
True property.
It is described in detail below in conjunction with Fig. 2 and Fig. 3 and dress is detected according to a kind of slide position of exemplary embodiment of the disclosure
Setting is how to detect printer ink warehouse lid door 4 on and off.
When cartridge lid door 4 is closed, cartridge lid door 4 presses one end of the lever 5 of lower section, to make lever 5 around the shaft 51
It is rotated along first direction R1, the light barrier 52 positioned at 5 other end of lever passes through slot 11 from the lower section of circuit board 1, until light-blocking
The limiting section 521 of 52 lower end of plate is contacted with circuit board 1, and cartridge lid door 4 is closed in place at this time, and lever 5 does not continue to rotate, light-blocking
Plate 52 stops photosensitive element 3 to receive the light that light-emitting component 2 issues, and photosensitive element 3 exports high level.
When cartridge lid door 4 is opened, cartridge lid door 4 no longer presses lever 5, and lever 5 rotates by its own gravity at this time
R2 is rotated axis 51 in a second direction, the light that light barrier 52 no longer stops light-emitting component 2 to issue, so that photosensitive element 3 can receive
The light that light-emitting component 2 issues, photosensitive element 3 export low level.
Carrying out detection printer ink warehouse lid door 4 to known to by the output level to photosensitive element 3 is to open or close
The state closed.
Those skilled in the art will readily occur to other embodiment party of the disclosure after considering specification and practicing the disclosure
Case.This application is intended to cover any variations, uses, or adaptations of the disclosure, these modifications, purposes or adaptability
Variation follows the general principles of this disclosure and including the undocumented common knowledge or usual skill in the art of the disclosure
Art means.The description and examples are only to be considered as illustrative, and the true scope and spirit of the disclosure are by following claim
It points out.
It should be understood that the present disclosure is not limited to the precise structures that have been described above and shown in the drawings, and
And various modifications and changes may be made without departing from the scope thereof.The scope of the present disclosure is only limited by the accompanying claims.
Claims (10)
1. a kind of slide position detection module, which is characterized in that including circuit board (1), with the luminous member of single light emission direction
Part (2), the photosensitive element (3) with single photosensitive direction, the light-emitting component (2) and the photosensitive element (3) directly weld
On the circuit board (1) and opposite arrangement, the photosensitive element (3) are used to receive the light of the light-emitting component (2) sending.
2. slide position detection module according to claim 1, which is characterized in that formed on the circuit board (1) useful
In the slot (11) for avoiding tested moving part, the light-emitting component (2) and the photosensitive element (3) are placed in the slot (11)
Two sides.
3. slide position detection module according to claim 1, which is characterized in that the luminous wave of the light-emitting component (2)
Section is identical with the photosensitive wave band of the photosensitive element (3).
4. a kind of printer characterized by comprising
Cartridge lid door (4)；
Slide position detection module described in any one of the claims 1-3, the slide position detection module is for examining
Survey the opening and closing of the cartridge lid door (4).
5. printer according to claim 4, which is characterized in that the printer further includes the lever as tested moving part
(5), the lever (5) can rotate between the first position and the second position around its fulcrum；
When the cartridge lid door (4) is in close state, the lever (5) is in the first position, the light-emitting component
(2) light issued is stopped by the lever (5)；
The cartridge lid door (4) in the open state, the lever (5) is in the second position, the light-emitting component
(2) light issued is received by the photosensitive element (3)；
In cartridge lid door (4) closing process, the lever (5) is stirred by the cartridge lid door (4) with from described second
Position turns to the first position along first direction (R1).
6. printer according to claim 5, which is characterized in that the center of gravity of the lever (5) and the branch of the lever (5)
Point is staggered；
In cartridge lid door (4) opening procedure, the lever (5) is under the effect of gravity from the first position edge
The second direction (R2) opposite with the first direction (R1) turns to the second position.
7. printer according to claim 5, which is characterized in that the printer further includes reset spring, the reset
Spring is connected with the lever (5)；
In cartridge lid door (4) opening procedure, the lever (5) is under the action of the reset spring from described first
It sets and turns to the second position along the second direction (R2) opposite with the first direction (R1).
8. printer according to claim 5, which is characterized in that the middle part of the lever (5) is pivoted by shaft (51)
It is mounted on the casing (10) of the printer.
9. printer according to claim 5, which is characterized in that the side of the lever (5) is formed with light barrier (52),
Light for stopping the light-emitting component (2) to issue.
10. printer according to claim 9, which is characterized in that be formed with limiting section on the light barrier (52)
(521), when the lever (5) is in the first position, the limiting section (521) contacts with the circuit board (1), with limit
The lever (5) are made to continue to rotate along the first direction (R1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821916380.3U CN209534489U (en) | 2018-11-20 | 2018-11-20 | Slide position detection module and printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821916380.3U CN209534489U (en) | 2018-11-20 | 2018-11-20 | Slide position detection module and printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209534489U true CN209534489U (en) | 2019-10-25 |
Family
ID=68262142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821916380.3U Active CN209534489U (en) | 2018-11-20 | 2018-11-20 | Slide position detection module and printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209534489U (en) |
-
2018
- 2018-11-20 CN CN201821916380.3U patent/CN209534489U/en active Active
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