CN101976028A - Developing box and imaging device - Google Patents
Developing box and imaging device Download PDFInfo
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- CN101976028A CN101976028A CN 201010534269 CN201010534269A CN101976028A CN 101976028 A CN101976028 A CN 101976028A CN 201010534269 CN201010534269 CN 201010534269 CN 201010534269 A CN201010534269 A CN 201010534269A CN 101976028 A CN101976028 A CN 101976028A
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Abstract
The invention discloses a developing box and an imaging device. The developing box comprises a detection device for detecting residual quantity of a developer in a developing box powder storage, wherein the detection device comprises a light emitting part, a light receiving part and a prism; the first surface of the prism is fixedly attached to the bottom wall in the powder storage; the incident end face, towards the internal part of powder storage, of the light receiving part is arranged on the bottom wall of the powder storage and is positioned opposite to the first surface; the second surface of the prism is adjacent to the first surface and forms an acute angle with the first surface; the emergent end face, towards the internal part of the powder storage, of the light emitting part is arranged on the top wall of the powder storage and is positioned opposite to the second surface; and the first surface and the second surface of the prism have a light-transmitting property. The prism is arranged on the bottom wall of the developing box powder storage; when the residual quantities of the developer are different, the exposed area of one light-transmitting surface of the prism is different; and the light emitting part and the light receiving part are correspondingly arranged on the top wall and the bottom wall respectively, so that the residual quantity of the developer can be calculated correspondingly.
Description
Technical field
The present invention relates to imaging developing technique field, particularly relate to a kind of Delevoping cartridge and imaging device.
Background technology
Imaging developing apparatus (for example printer, duplicating machine, facsimile recorder etc.) can output to image on the print media (for example paper) according to the picture signal of input usually.Wherein, laser printer has the photoreceptor of being scheduled to uniform potential by the laser scanning irradiation, forms electrostatic latent image thereon; By developer is adhered on the electrostatic latent image, making latent electrostatic image developing is visual image then; Subsequently visual image be transferred with photographic fixing to paper.
In above-mentioned print procedure, the developer of storing in the imaging developing apparatus is consumed gradually.If developer is depleted fully, the user can be replaced with picture developing apparatus or Delevoping cartridge wherein.For making the user can in time be replaced with picture developing apparatus or Delevoping cartridge, the imaging developing apparatus is typically equipped with the developer pick-up unit that detects surplus developer.
Existing a kind of laser printer Delevoping cartridge is provided with mirror surface on the diapire in the powder storehouse.As shown in Figure 1, light-emitting component 111 emitted light beams (for example infrared ray) of the developer pick-up unit of described Delevoping cartridge are after light inlet window 115 refractions of prism-type, vertical irradiation is on the mirror surface 114 that is provided with on the diapire in the powder storehouse, and then, finish the detection of developer recoverable amount in the Delevoping cartridge powder storehouse by light beam is back on the optical receiver 112 that is wholely set with light-emitting component 111 along original optical path.
In addition, whether above-mentioned developer pick-up unit detects light by optical receiver and judges whether have developer to exist in the Delevoping cartridge, to that is to say and only can judge that developer and Nonvisualization agent two states are arranged.But in actual use, the user often wishes to learn in advance the consumption state of developer in the Delevoping cartridge powder storehouse, just obtains prompting and be not only when developer is used up.
Summary of the invention
The purpose of this invention is to provide a kind of Delevoping cartridge and imaging device, can't be the problem that the user provides amount of residual developer before developer is used up to solve existing Delevoping cartridge all the time.
The invention provides a kind of Delevoping cartridge, described Delevoping cartridge comprises the pick-up unit that is used for detecting Delevoping cartridge powder storehouse amount of residual developer;
Described pick-up unit comprises light emission part, light receiver and prism:
The first surface of described prism attaches and is fixed on the diapire of inside, powder storehouse; The incident end face of described light receiver is installed on the described diapire towards inside, powder storehouse, and the position of incident end face is corresponding with first surface;
Adjacent and second surface of the second surface of described prism and first surface and first surface are acute angle; The exit end face of described smooth emission part is installed on the roof in powder storehouse towards inside, powder storehouse, and the position of outgoing end face is corresponding with second surface;
The first surface of described prism and second surface printing opacity.
Concrete, described smooth emission part can be optical transmitting set, then the luminescence window of optical transmitting set is described outgoing end face.
Concrete, described smooth emission part can comprise the optical transmitting set and first light inlet window, then first light inlet window is the outgoing end face towards the one side of inside, powder storehouse; Described optical transmitting set is positioned at outside, powder storehouse, and the light that optical transmitting set sends shines on the second surface through first light inlet window.
Preferably, described optical transmitting set is incandescent lamp, light emitting diode, infrared light emission device or laser instrument.
Concrete, described light receiver is an optical receiver, then the receive window of optical receiver is described incident end face.
Concrete, described light receiver comprises the optical receiver and second light inlet window, then second light inlet window is incident end face towards the one side of prism; Described optical receiver is positioned at outside, powder storehouse, and light shines on the receive window of optical receiver through second light inlet window.
Preferably, described optical receiver is a kind of or its combination in photodiode, phototriode, photoresistance, the photosensitive circuit plate.
Preferably, described prism is airtight hollow prism.
Preferably, also be provided with cleaning member on the blade of described puddle support, when puddle support rotated, described cleaning member can clean described second surface and outgoing end face.
Preferably, described cleaning member is hairbrush or sponge.
Preferably, described prism is a prism.
Preferably, except described first surface and second surface, other surfaces of described prism are light tight.
Concrete, the height of described prism can be smaller or equal to the internal height in powder storehouse.
Preferably, also be coated with antistatic agent on described second surface and the outgoing end face.
The present invention also provides a kind of imaging device, and described imaging device comprises above-mentioned Delevoping cartridge.
Delevoping cartridge of the present invention and imaging device, by on the diapire of Delevoping cartridge powder storehouse, a prism being set, utilization amount of residual developer not simultaneously, the area difference that comes out of a light transmitting surface of prism, and correspondence is provided with light emission part and light receiver respectively at powder storehouse roof and diapire, correspondence calculates the surplus of developer, make the user can before developer is used up, know the surplus of developer in the Delevoping cartridge, and can carry out the preparation that is replaced with picture developing apparatus or its Delevoping cartridge in advance, be user-friendly to; When the height of prism equaled powder storehouse internal height, pick-up unit can detect the surplus that developer in the Delevoping cartridge is provided in real time; Pick-up unit in the Delevoping cartridge of the present invention is made of light emission part, light receiver and prism, and number of components is few, and production difficulty and cost all are reduced.Further, by on the blade of puddle support, cleaning member being set, avoid adhering to developer on second surface and the outgoing end face; By on second surface and outgoing end face, being coated with antistatic agent, to prevent that developer from attached on second surface and the outgoing end face, making the detection of amount of residual developer more accurate.
Description of drawings
Fig. 1 is the light path synoptic diagram of existing developer pick-up unit;
Fig. 2 is the schematic perspective view in Delevoping cartridge of the present invention front;
Fig. 3 is the schematic perspective view at the Delevoping cartridge of the present invention back side;
Fig. 4 is the synoptic diagram of pick-up unit in the Delevoping cartridge of the present invention;
Fig. 5 is the synoptic diagram of first embodiment of light receiver of the present invention;
Fig. 6 is the synoptic diagram of second embodiment of light receiver of the present invention;
Fig. 7 is the synoptic diagram of first embodiment of smooth emission part of the present invention;
Fig. 8 is the synoptic diagram of second embodiment of smooth emission part of the present invention;
View when Fig. 9 is the full box of the developer in the Delevoping cartridge of the present invention;
Figure 10 is the view after the developer in the Delevoping cartridge of the present invention used a part;
Figure 11 is light produces projection in light receiver a vertical view;
Figure 12 is light produces projection on the photosensitive circuit plate a vertical view;
Figure 13 is the relation curve synoptic diagram between the thickness h of electric current I between the MN and developer.
Embodiment
For above-mentioned purpose of the present invention, feature and advantage can be become apparent more, the embodiment of the invention is described in further detail below in conjunction with the drawings and specific embodiments.
Embodiment one
Present embodiment provides a kind of Delevoping cartridge, please be simultaneously referring to Fig. 2～Fig. 4, described Delevoping cartridge 1 comprise the powder storehouse 10 that is used for receiving photographic developer, the puddle support 20 that is used to stir developer, developer deliver to developer roll 50 powder feeding roller 30, regulate the powder delivery cutter 40 of developer roll 50 surface development agent layer thicknesses, developer is laid in the developer roll 50 on photosensitive drums (not shown) surface and detects the pick-up unit 60 of powder storehouse 10 amount of residual developer.
Pick-up unit 60 comprises light emission part 601, light receiver 602 and prism 603.
The first surface 6031 of prism 603 attaches and is fixed on the diapire 101 of 10 inside, powder storehouse; The incident end face 6020 of light receiver 602 is installed on the described diapire 101 towards 10 inside, powder storehouse, and the position of incident end face 6020 is corresponding with first surface 6031.
Adjacent and the second surface 6032 of the second surface 6032 of prism 603 and first surface 6031 is acute angle with first surface 6031.The first surface 6031 of prism 603 and second surface 6032 printing opacities, prism 603 is preferably prism; When prism was prism, the 3rd surface can be attached on the sidewall in powder storehouse 10, to guarantee not having light to see through from the 3rd surface.Also can be except first surface 6031 and second surface 6032, other surfaces of prism 603 be light tight, specifically can realize by the modes such as other surface-coated light screening materials at prism 603.
The outgoing end face 6010 of light emission part 601 is installed on the roof 102 in powder storehouse 10 towards 10 inside, powder storehouse, and the position of outgoing end face 6010 is corresponding with second surface 6032.
The height of prism 603 can equate with the internal height in powder storehouse 10, also can be lower than the internal height in powder storehouse, this be because in the full box of developer or amount more for a long time, the user can pay close attention to the surplus of developer usually.Equal the situation of the internal height in powder storehouse 10 for the height of prism 603, pick-up unit 60 can detect the surplus that developer in the Delevoping cartridge is provided in real time.
Height with prism 603 (for example prism) equates to be example with the internal height in powder storehouse 10 below, introduces the principle of work of present embodiment Delevoping cartridge.
Referring to Fig. 9, be the state of the full box of the developer in the Delevoping cartridge.The first surface 6031 and the second surface 6032 of prism 603 are acute angle, because the full box of developer, therefore developer can cover second surface 6032 fully, the light that light emission part 601 sends can't arrive second surface 6032, therefore also not having light transmission prism 603 propagates into first surface 6031, and light receiver 602 does not receive light.
Referring to Figure 10, for the developer in the Delevoping cartridge used state after the part.Because developer makes the part of using up, because the effect of gravity, the upper surface of developer can decrease, the AC section of second surface 6032 is come out, the light that light emission part 601 sends penetrates prism 603 from the AC section, and light beam appears from the DE section of first surface 6031, and the relevant position of light receiver 602 can receive light.
See also Figure 11, if corresponding area (being OEE ' O ') is as useful area in light receiver 602 with the OE section, then OD section corresponding shaded area (being ODD ' O ') in light receiver 602 is the area of amount of residual developer correspondence.Because OD/OE=h/H, wherein h is the thickness of developer, and H is the height of prism, therefore, and h=H*OD/OE.
Optical receiver can be a kind of or its combination in photodiode, phototriode, photoresistance, the photosensitive circuit plate etc.When optical receiver adopts the photosensitive circuit plate, referring to Figure 12, the M of optical receiver, N position be the two-stage of corresponding photosensitive circuit plate respectively, be directly proportional with area, the light intensity of photosensitive region according to the electric current between the MN, and the relation that the thickness of the area of photosensitive region and developer is inversely proportional to, as long as the control light intensity is constant, the electric current I between the MN just is inversely proportional to h, can convert h to electric signal thus and detect.Figure 13 has shown electric current I between the MN and the relation between the h.Can calculate the surplus of developer by the electric current I between the detection MN.
When optical receiver adopts photodiode/phototriode, one row's photodiode or phototriode can be installed on the MN of optical receiver direction, thereby after receiving light, can produce the principle of electric current conducting according to photodiode/phototriode, judge which photodiode/phototriode conducting, judge the separatrix of light part and unglazed part thus, thereby calculate the surplus of developer.
Certainly, specific implementation also has a lot, and this paper does not enumerate one by one.
Be appreciated that after developer had used a part, the light-receiving area of second surface changed, and calculated the surplus of developer thus because the second surface 6032 of prism 603 provides an inclined-plane.Based on this principle, prism 603 can also be airtight hollow prism, its inner vacuum or be full of other light transmission mediums such as air.
Since the full box of developer or amount more for a long time the user can pay close attention to the surplus of developer usually, therefore the height of prism 603 also can be lower than the height in powder storehouse 10, pick-up unit 60 can detect the surplus of developer in real time when the thickness of developer is suitable with prism height, and other states can be thought the surplus abundance of developer.
The functional module that amount of residual developer is had an analytical calculation can be positioned at the Delevoping cartridge place the imaging developing apparatus or with the computer of described imaging developing apparatus interconnection on, the present invention does not do qualification to this.
The Delevoping cartridge of present embodiment, by on the diapire of Delevoping cartridge powder storehouse, a prism being set, utilization amount of residual developer not simultaneously, the area difference that comes out of a light transmitting surface of prism, and correspondence is provided with light emission part and light receiver respectively at powder storehouse roof and diapire, calculate the surplus of developer, make the user can before developer is used up, know the surplus of developer in the Delevoping cartridge, and can carry out the preparation that is replaced with picture developing apparatus or its Delevoping cartridge in advance, be user-friendly to.When the height of prism equaled powder storehouse internal height, pick-up unit can detect the surplus that developer in the Delevoping cartridge is provided in real time.
In addition, because existing developer pick-up unit is except the light inlet window that utilizes light-emitting component, optical receiver and prism-type, also need in the powder storehouse, on the diapire mirror surface be set, the parts of forming are more, production difficulty and cost are higher, and the pick-up unit in the present embodiment Delevoping cartridge is made of light emission part, light receiver and prism, and number of components is few, and production difficulty and cost all are reduced.
Embodiment two
Because the outgoing end face and the second surface of light emission part may adhere to some developers sometimes, detection to amount of residual developer causes a deviation, therefore the Delevoping cartridge of present embodiment is compared with embodiment one, also is provided with the cleaning member (not shown) on the blade of puddle support.When the puddle support direction shown in β when rotation in Fig. 3, cleaning member can clean second surface and outgoing end face, and cleaning member can be hairbrush or sponge etc.When the blade of rotation passed to powder feeding roller with developer, the cleaning member on the blade can clean second surface and outgoing end face when blade rotates to suitable angle, make the detection of amount of residual developer more accurate.
The Delevoping cartridge of present embodiment can also further be coated with the antistatic agent (not shown) on second surface and outgoing end face, thus, avoid developer because the Electrostatic Absorption effect attached on second surface and the outgoing end face, makes the detection of amount of residual developer more accurate thus.
The Delevoping cartridge of present embodiment by on the blade of puddle support cleaning member being set, is avoided adhering to developer on second surface and the outgoing end face; By on second surface and outgoing end face, being coated with antistatic agent, can prevent further that developer from attached on second surface and the outgoing end face, making the detection of amount of residual developer more accurate.
Embodiment three
Present embodiment provides a kind of imaging developing apparatus, and described imaging developing apparatus comprises imaging device main body and the Delevoping cartridge described in above-mentioned embodiment, and described Delevoping cartridge is installed on the imaging device main body.The pick-up unit of described Delevoping cartridge can comprise light emission part, light receiver and prism.
When the luminescence window of the optical transmitting set of light emission part during as the outgoing end face, optical transmitting set can directly be fixed on the Delevoping cartridge; When the optical transmitting set of light emission part is positioned at outside, powder storehouse, first light inlet window of the light that optical transmitting set sends by powder storehouse roof penetrates the powder storehouse when inner, and optical transmitting set can be fixed by being installed on the imaging device main body.
In like manner, when the receive window of the optical receiver of light receiver during as incident end face, optical receiver can directly be fixed on the Delevoping cartridge; When the optical receiver of light receiver is positioned at outside, powder storehouse, the light that appears by prism shines on the receive window of optical receiver by second light inlet window of powder storehouse diapire, and optical receiver can be fixed by being installed on the imaging device main body.
Need to prove, in this article, relational terms such as first and second grades only is used for an entity or operation are made a distinction with another entity or operation, and not necessarily requires or hint and have the relation of any this reality or in proper order between these entities or the operation.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thereby make and comprise that process, method, article or the equipment of a series of key elements not only comprise those key elements, but also comprise other key elements of clearly not listing, or also be included as this process, method, article or equipment intrinsic key element.Do not having under the situation of more restrictions, the key element that limits by statement " comprising ... ", and be not precluded within process, method, article or the equipment that comprises described key element and also have other identical element.
The above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention.All any modifications of being done within the spirit and principles in the present invention, be equal to replacement, improvement etc., all be included in protection scope of the present invention.
Claims (15)
1. a Delevoping cartridge is characterized in that, described Delevoping cartridge comprises the pick-up unit that is used for detecting Delevoping cartridge powder storehouse amount of residual developer;
Described pick-up unit comprises light emission part, light receiver and prism:
The first surface of described prism attaches and is fixed on the diapire of inside, powder storehouse; The incident end face of described light receiver is installed on the described diapire towards inside, powder storehouse, and the position of incident end face is corresponding with first surface;
Adjacent and second surface of the second surface of described prism and first surface and first surface are acute angle; The exit end face of described smooth emission part is installed on the roof in powder storehouse towards inside, powder storehouse, and the position of outgoing end face is corresponding with second surface;
The first surface of described prism and second surface printing opacity.
2. Delevoping cartridge as claimed in claim 1 is characterized in that, described smooth emission part is an optical transmitting set, and then the luminescence window of optical transmitting set is described outgoing end face.
3. Delevoping cartridge as claimed in claim 1 is characterized in that, described smooth emission part comprises the optical transmitting set and first light inlet window, and then first light inlet window is the outgoing end face towards the one side of inside, powder storehouse; Described optical transmitting set is positioned at outside, powder storehouse, and the light that optical transmitting set sends shines on the second surface through first light inlet window.
4. as claim 2 or 3 described Delevoping cartridges, it is characterized in that described optical transmitting set is incandescent lamp, light emitting diode, infrared light emission device or laser instrument.
5. Delevoping cartridge as claimed in claim 1 is characterized in that, described light receiver is an optical receiver, and then the receive window of optical receiver is described incident end face.
6. Delevoping cartridge as claimed in claim 1 is characterized in that, described light receiver comprises the optical receiver and second light inlet window, and then second light inlet window is incident end face towards the one side of prism; Described optical receiver is positioned at outside, powder storehouse, and light shines on the receive window of optical receiver through second light inlet window.
7. as claim 5 or 6 described Delevoping cartridges, it is characterized in that described optical receiver is a kind of or its combination in photodiode, phototriode, photoresistance, the photosensitive circuit plate.
8. Delevoping cartridge as claimed in claim 1 is characterized in that, described prism is airtight hollow prism.
9. Delevoping cartridge as claimed in claim 1 is characterized in that, also is provided with cleaning member on the blade of described puddle support, and when puddle support rotated, described cleaning member can clean described second surface and outgoing end face.
10. Delevoping cartridge as claimed in claim 9 is characterized in that, described cleaning member is hairbrush or sponge.
11., it is characterized in that described prism is a prism as each described Delevoping cartridge of claim 1-3,5,6,8-10.
12., it is characterized in that except described first surface and second surface, other surfaces of described prism are light tight as each described Delevoping cartridge of claim 1-3,5,6,8-10.
13., it is characterized in that the height of described prism is smaller or equal to the internal height in powder storehouse as each described Delevoping cartridge of claim 1-3,5,6,8-10.
14. as each described Delevoping cartridge of claim 1-3,5,6,8-10, it is characterized in that, also be coated with antistatic agent on described second surface and the outgoing end face.
15. an imaging device is characterized in that, described imaging device comprises each described Delevoping cartridge as claim 1-14.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010534269 CN101976028B (en) | 2010-11-05 | 2010-11-05 | Developing box and imaging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010534269 CN101976028B (en) | 2010-11-05 | 2010-11-05 | Developing box and imaging device |
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| Publication Number | Publication Date |
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| CN101976028A true CN101976028A (en) | 2011-02-16 |
| CN101976028B CN101976028B (en) | 2013-01-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010534269 Active CN101976028B (en) | 2010-11-05 | 2010-11-05 | Developing box and imaging device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103176390A (en) * | 2011-12-22 | 2013-06-26 | 珠海艾派克微电子有限公司 | Detection device and detection method for residual content of recording materials stored in image box |
| CN107532992A (en) * | 2015-04-24 | 2018-01-02 | 株式会社岛津制作所 | Optical detecting device |
| CN108693753A (en) * | 2017-03-31 | 2018-10-23 | 柯尼卡美能达株式会社 | Powder detection device, image forming apparatus and toner returnable |
| CN109074013A (en) * | 2016-04-28 | 2018-12-21 | 佳能株式会社 | developer recovery container |
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| JP2004301896A (en) * | 2003-03-28 | 2004-10-28 | Canon Inc | Detection apparatus for residual quantity of development, and development apparatus and processing cartridge employing the detection apparatus |
| CN1957303A (en) * | 2004-05-19 | 2007-05-02 | 佳能株式会社 | Toner supply container and image forming apparatus, for detecting the amount of remaining toner |
| CN201007785Y (en) * | 2007-01-30 | 2008-01-16 | 珠海天威技术开发有限公司 | Developing case for laser printer |
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| JP2003186294A (en) * | 2001-12-18 | 2003-07-03 | Canon Inc | Developer container, process cartridge and electrophotographic image forming apparatus each using the container |
| JP2004301896A (en) * | 2003-03-28 | 2004-10-28 | Canon Inc | Detection apparatus for residual quantity of development, and development apparatus and processing cartridge employing the detection apparatus |
| CN1957303A (en) * | 2004-05-19 | 2007-05-02 | 佳能株式会社 | Toner supply container and image forming apparatus, for detecting the amount of remaining toner |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103176390A (en) * | 2011-12-22 | 2013-06-26 | 珠海艾派克微电子有限公司 | Detection device and detection method for residual content of recording materials stored in image box |
| CN103176390B (en) * | 2011-12-22 | 2015-04-29 | 珠海艾派克微电子有限公司 | Detection device and detection method for residual content of recording materials stored in image box |
| CN107532992A (en) * | 2015-04-24 | 2018-01-02 | 株式会社岛津制作所 | Optical detecting device |
| CN109074013A (en) * | 2016-04-28 | 2018-12-21 | 佳能株式会社 | developer recovery container |
| CN109074013B (en) * | 2016-04-28 | 2021-10-08 | 佳能株式会社 | Developer recovery container |
| CN108693753A (en) * | 2017-03-31 | 2018-10-23 | 柯尼卡美能达株式会社 | Powder detection device, image forming apparatus and toner returnable |
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| Publication number | Publication date |
|---|---|
| CN101976028B (en) | 2013-01-02 |
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