CN105549361A - Storage element, developing cartridge employing same and image forming equipment - Google Patents
Storage element, developing cartridge employing same and image forming equipment Download PDFInfo
- Publication number
- CN105549361A CN105549361A CN201511015055.0A CN201511015055A CN105549361A CN 105549361 A CN105549361 A CN 105549361A CN 201511015055 A CN201511015055 A CN 201511015055A CN 105549361 A CN105549361 A CN 105549361A
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- China
- Prior art keywords
- contact
- memory element
- delevoping cartridge
- main body
- signalling
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
- G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
- G03G21/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements
- G03G21/18—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements using a processing cartridge, whereby the process cartridge comprises at least two image processing means in a single unit
- G03G21/1875—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements using a processing cartridge, whereby the process cartridge comprises at least two image processing means in a single unit provided with identifying means or means for storing process- or use parameters, e.g. lifetime of the cartridge
- G03G21/1878—Electronically readable memory
- G03G21/1882—Electronically readable memory details of the communication with memory, e.g. wireless communication, protocols
- G03G21/1885—Electronically readable memory details of the communication with memory, e.g. wireless communication, protocols position of the memory; memory housings; electrodes
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Electrophotography Configuration And Component (AREA)
Abstract
The invention discloses a storage element for a developing cartridge, the developing cartridge comprising the storage element and image forming equipment comprising the developing cartridge. When the developing cartridge is arranged on the image forming equipment, conduction of a grounding contact on the storage element and a corresponding contact element in a main body of the image forming equipment is before conduction of a voltage contact on the storage element and the corresponding contact element in the main body; and conduction of the voltage contact on the storage element and the corresponding contact element in the main body is before conduction of a signal contact on the storage element and the corresponding contact element in the main body. The storage element disclosed by the invention can avoid the problem that components on the storage element are damaged due to the fact that high voltages are formed on the contacts on the storage element to discharge; and furthermore, the problem that the storage element of the developing cartridge is poor in stability when working due to the fact that a plurality of contacts on the storage element and a plurality of corresponding contacts on the main body of the image forming equipment do not have a certain successive contact order can be solved.
Description
Technical field
The present invention relates to technical field of imaging, specifically, relate to a kind of memory element, use the Delevoping cartridge of this memory element and image forming apparatus.
Background technology
Printer or the image forming apparatus (hereinafter referred to as imaging device) with printing function are common office equipment, also become home electronics gradually.Existing laser printer uses dismountable Delevoping cartridge (or claiming powder box, toner cartridge etc.) to form image on the recording medium mostly, during normal use, Delevoping cartridge is arranged in printer, Delevoping cartridge comprises memory element, memory element is provided with storage unit, and storage unit can store the information such as such as model, capacity, use region of Delevoping cartridge.Printer main body is provided with the contact element contacted with Delevoping cartridge memory element, on printer main body, such as arrange multiple spring contact with the multiple contacts on Delevoping cartridge memory element, thus realize electrical connection and the information interaction of printer and Delevoping cartridge memory element, make printer can obtain or rewrite information in Delevoping cartridge memory element.
But in existing printer, the electrical connection between printer main body and Delevoping cartridge memory element is always not reliable and stable.
Delevoping cartridge memory element can comprise earthing contact, voltage contact and multiple signalling contact usually, printer main body also can comprise the earthing contact contact element corresponding to memory element contact, voltage contact contact element and multiple signalling contact contact element.
When installing or removing Delevoping cartridge under printer tape electricity condition, when there is voltage in the voltage contact contact element namely when installing or removing Delevoping cartridge on printer main body, if Delevoping cartridge memory element voltage contact contacts with printer main body voltage contact contact element, and Delevoping cartridge memory element earthing contact not yet contacts with printer main body earthing contact contact element, then can cause the spread of voltage on Delevoping cartridge memory element contact, easily on memory element contact, form high voltage thus the components and parts on electric discharge damage memory element occur, such as storage unit.
On the other hand, printer is in normal use procedure, due to reasons such as vibrations, shocks, the Contact of Delevoping cartridge memory element and printer main body may be caused insecure, when generation Delevoping cartridge memory element voltage contact normally contacts with printer main body voltage contact contact element, and during the situation that Delevoping cartridge memory element earthing contact and printer main body earthing contact contact element disconnect, the spread of voltage on Delevoping cartridge memory element contact can be caused equally, easily on memory element contact, form high voltage thus the components and parts on electric discharge damage memory element occur.
In addition, in existing printer, when Delevoping cartridge being installed to printer or Delevoping cartridge being taken out from printer, priority engagement sequence not certain between multiple corresponding contact parts on multiple contact on Delevoping cartridge memory element and printer main body or disconnection order, therefore can cause the poor stability of Delevoping cartridge memory element.
Be illustrated in figure 1 the memory element external circuit schematic diagram during Delevoping cartridge memory element work in existing printer.Memory element is provided with voltage contact (VCC), earthing contact (GND) and signalling contact (SDA, SCL).During normal work, between voltage contact (VCC) and signalling contact (SDA, SCL), form current path by multiple components and parts (as electric capacity, resistance, triode etc.) of memory element inside, electric current flows to SDA contact and SCL contact by multiple components and parts of VCC contact through memory element inside.But Delevoping cartridge is being installed in the process of printer, if the signalling contact on memory element (SDA, SCL) contacts with the corresponding contact part of printer main body prior to voltage contact (VCC), then likely between voltage contact (VCC) and signalling contact (SDA, SCL), form reverse big current, namely by SDA contact and SCL contact, the multiple components and parts through memory element inside flow to VCC contact to electric current, thus affect the life-span of components and parts on memory element, even damage components and parts, affect the stability of memory element work.When Delevoping cartridge is taken out from printer, if the voltage contact on memory element (VCC) disconnects prior to the corresponding contact part of signalling contact (SDA, SCL) with printer main body, can the problems referred to above be produced equally, affect the stability of memory element work.
Summary of the invention
In order to solve the problem, the invention provides a kind of memory element be installed on Delevoping cartridge, described memory element being provided with voltage contact, earthing contact and signalling contact; Described Delevoping cartridge is removably installed in image forming apparatus, and described image forming apparatus comprises main body, described main body is respectively arranged with the corresponding contact part contacted with signalling contact with voltage contact, earthing contact on described memory element; It is characterized in that:
When described Delevoping cartridge is mounted to image forming apparatus process, in described earthing contact and main body, the conducting of corresponding contact part is early than the conducting of corresponding contact part in described voltage contact and main body, and in described voltage contact and main body, the conducting of corresponding contact part is early than the conducting of corresponding contact part in described signalling contact and main body; And/or
When described Delevoping cartridge takes out from image forming apparatus, in described earthing contact and main body, the disconnection of corresponding contact part is later than the disconnection of corresponding contact part in described voltage contact and main body, and in described voltage contact and main body, the disconnection of corresponding contact part is later than the disconnection of corresponding contact part in described signalling contact and main body.
In one embodiment, in the described memory element be installed on Delevoping cartridge, described Delevoping cartridge is provided with rotating element; Wherein:
On the axis direction being parallel to described rotating element, the voltage contact on described memory element and described earthing contact are arranged on first row, and described signalling contact is arranged on and is different from the second row of first row; Perpendicular on the Delevoping cartridge installation direction of described axis, described first row is less than the distance of described second row and described axis with the distance of described axis;
And on the third direction perpendicular to described axis and described Delevoping cartridge installation direction, the height dimension of described earthing contact is greater than the height dimension of described voltage contact; And/or
On the third direction perpendicular to described axis and described Delevoping cartridge installation direction, be greater than the height dimension with the contact element of described voltage contact conducting with the height dimension of the contact element of described earthing contact conducting.
In one embodiment, in the described memory element be installed on Delevoping cartridge, described Delevoping cartridge is provided with rotating element; Wherein,
On the axis direction being parallel to described rotating element, the voltage contact on described memory element, earthing contact and signalling contact arrange in a row;
And on the third direction perpendicular to described axis and described Delevoping cartridge installation direction, the height dimension of described earthing contact is greater than the height dimension of described voltage contact, the height dimension of described voltage contact is greater than the size of described signalling contact; And/or
On the third direction perpendicular to described axis and described Delevoping cartridge installation direction, be greater than the height dimension with the contact element of described voltage contact conducting with the height dimension of the contact element of described earthing contact conducting, be greater than the height dimension with the contact element of described signalling contact conducting with the height dimension of the contact element of described voltage contact conducting.
In one embodiment, in the described memory element be installed on Delevoping cartridge, the described memory element quantity that described Delevoping cartridge is arranged is two, wherein
First memory element is arranged on the housing in powder storehouse of receiving photographic developer, and described first memory element stores the parameter of described developer;
Second memory element is arranged on the housing of the assembly holding rotating element, and described second memory element stores the parameter of described rotating element.
In one embodiment, in the described memory element be installed on Delevoping cartridge, the quantity of described signalling contact is two, and described two signalling contacts are along the axis direction arrangement being parallel to rotating element on described Delevoping cartridge.
The present invention also provides a kind of Delevoping cartridge, and described Delevoping cartridge comprises the memory element as above described in any one.
The present invention also provides a kind of image forming apparatus, described image forming apparatus comprises Delevoping cartridge as above, described image forming apparatus also comprises main body, described main body is respectively arranged with the corresponding contact part contacted with signalling contact with voltage contact, earthing contact on described memory element.
The present invention also provides a kind of method be installed to by Delevoping cartridge in image forming apparatus, and described method comprises:
A. be mounted in described image forming apparatus body process at described Delevoping cartridge, the earthing contact elder generation of memory element and corresponding contact part conducting in described main body in described Delevoping cartridge;
B. in described Delevoping cartridge in the earthing contact of memory element and described main body after the conducting of corresponding contact part, the contact element conducting that the voltage contact of described memory element is corresponding to described main body again;
C. after the contact element conducting that the voltage contact of memory element is corresponding to described main body in described Delevoping cartridge, the contact element conducting that the signalling contact of described memory element is just corresponding to described main body.
In one embodiment, described Delevoping cartridge is provided with rotating element, described method comprises, before described step a, described Delevoping cartridge has been mounted in the main body of described image forming apparatus at least partially, and can the rotating around the axis of described rotating element at least partially of described Delevoping cartridge;
The voltage contact center of described memory element and the straight line at place, described earthing contact center, be parallel to described axis.
The present invention also provides a kind of method of being taken out from image forming apparatus by Delevoping cartridge, and described method comprises:
A. at described Delevoping cartridge from the process that described image forming apparatus body takes out, the signalling contact of the described memory element first contact element corresponding to described main body disconnects;
B., after the contact element that the signalling contact of memory element is corresponding to described main body disconnects, the contact element that the voltage contact of described memory element is corresponding to described main body again disconnects;
C., after the contact element that the voltage contact of described memory element is corresponding to described main body disconnects, the contact element that the earthing contact of described memory element is corresponding to described main body again disconnects.
In one embodiment, described Delevoping cartridge is provided with rotating element, and described method comprises, before described step a, described Delevoping cartridge is arranged in the main body of described image forming apparatus at least partially, can rotating around the axis of described rotating element at least partially of described Delevoping cartridge;
The voltage contact center of described memory element and the straight line at place, described earthing contact center, be parallel to described axis;
And at described Delevoping cartridge from the process that described image forming apparatus body takes out, described Delevoping cartridge axis place be later than the main body that described memory element leaves described image forming apparatus at least partially.
The memory element be installed on Delevoping cartridge provided by the present invention, wherein the height dimension of earthing contact is greater than the height dimension of voltage contact, make the conducting of corresponding contact part in earthing contact and main body early than the conducting of corresponding contact part in voltage contact and main body, can solve in prior art and easily on memory element contact, form high voltage thus the technological deficiency that electric discharge damages the components and parts on memory element occurs.
Further, the memory element be installed on Delevoping cartridge provided by the present invention, wherein voltage contact is less than the distance of the axis of rotating element on signalling contact and Delevoping cartridge with the distance of the axis of rotating element on Delevoping cartridge, make the conducting of corresponding contact part in voltage contact and main body early than the conducting of corresponding contact part in signalling contact and main body, the technological deficiency causing the poor stability of Delevoping cartridge memory element in prior art owing to not having certain priority engagement sequence between the multiple corresponding contact parts in the multiple contact on memory element and main body can be solved.
Other features and advantages of the present invention will be set forth in the following description, and, partly become apparent from instructions, or understand by implementing technical scheme of the present invention.Object of the present invention and other advantages realize by structure specifically noted in instructions, claims and accompanying drawing and/or flow process and obtain.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for instructions, with embodiments of the invention jointly for explaining the present invention, is not construed as limiting the invention.In the accompanying drawings:
Memory element external circuit schematic diagram when Fig. 1 is the Delevoping cartridge memory element work in existing printer;
Fig. 2 is the one-piece construction schematic diagram of the imaging device of the embodiment of the present invention one;
Fig. 3 is the Delevoping cartridge structural representation of the embodiment of the present invention one;
Fig. 4 is the Delevoping cartridge memory element floor map of the embodiment of the present invention one;
Fig. 5 is the Delevoping cartridge memory element schematic perspective view of the embodiment of the present invention one;
Fig. 6 is the memory element contact of the embodiment of the present invention one and the engagement sequence schematic diagram of body contact spring;
Fig. 7 is the Delevoping cartridge memory element floor map of the embodiment of the present invention two;
Fig. 8 is the memory element contact set-up mode schematic diagram of the embodiment of the present invention two;
Fig. 9 is the imaging equipment body partial schematic diagram of the embodiment of the present invention three;
Figure 10 is the Delevoping cartridge memory element contact of the embodiment of the present invention four and the matching relationship schematic diagram of imaging equipment body contact spring;
Figure 11 is a kind of structural representation rousing assembly that the embodiment of the present invention five provides;
Figure 12 is the structural representation of a kind of powder box that the embodiment of the present invention six provides;
Figure 13 is the structural representation of memory element on drum assembly in Figure 11;
Figure 14 is the structural representation of memory element on powder box in Figure 12.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, the present invention is described in further detail.
Below in conjunction with Figure of description, embodiments of the invention are described, should be appreciated that preferred embodiment described herein is only for instruction and explanation of the present invention, is not intended to limit the present invention.And in not afoul situation, the feature in embodiments of the invention can be combined with each other.
Embodiment one
It is the one-piece construction schematic diagram of a kind of imaging device that the present embodiment provides shown in Fig. 2.Imaging device 100 comprises imaging equipment body 101, Delevoping cartridge 102, paper-feed roll 103 and fixing component 104.Wherein, Delevoping cartridge 102 transfers images on recording medium for the formation of image.Delevoping cartridge 102 is removably mounted in imaging device, is provided with memory element for recording Delevoping cartridge information and imaging control parameters above Delevoping cartridge.Imaging equipment body 101 communicates with Delevoping cartridge by being electrically connected to fetch with the memory element on Delevoping cartridge 102, such as, read the Delevoping cartridge information in memory element and controling parameters, or in memory element, write Delevoping cartridge use information.Paper-feed roll 103 for transporting recording medium, such as, transports paper.Fixing component 104 is fixing on the recording medium for the image that will be transferred to from Delevoping cartridge on recording medium.
In the present embodiment, the structural representation of Delevoping cartridge as shown in Figure 3.Delevoping cartridge 200 comprises memory element 210 and photosensitive drums 220, memory element 210 is provided with multiple contact 211 to 214, one end of photosensitive drums 220 is provided with transmission gear 221, and the driving force transmitted for receiving imaging equipment body driven wheel rotates to drive photosensitive drums.When Delevoping cartridge 200 is installed in imaging device, multiple contact 211 to 214 contacts with the corresponding contact part in imaging equipment body respectively, to realize the electrical connection of imaging equipment body and Delevoping cartridge memory element.Contact element in main body can be the conducting elements such as conductive pole, conducting strip, spring, is preferably set to spring in the present embodiment.
Delevoping cartridge is when normally working, and transmission gear 221 receives the driving force of imaging equipment body driven wheel transmission and in the process rotated, inevitably causes the vibrations of Delevoping cartridge, also can cause the vibrations of memory element on Delevoping cartridge.In the present embodiment, memory element 210 is arranged on the one end away from photosensitive drums transmission gear 221 on Delevoping cartridge 200, can reduce the memory element vibrations caused in driving force transmittance process, the impact that driving force transmittance process is caused the electrical connection between Delevoping cartridge memory element contact and body contacts is minimum.
Delevoping cartridge memory element floor map as shown in Figure 4.Memory element 300 comprises memory element substrate 310, memory element substrate 310 is provided with the locating notch 320 for locating and multiple contact.Two rows are arranged in multiple contact, and when memory element is installed on Delevoping cartridge, a bank contact of the photosensitive drums axis on Delevoping cartridge is power contact, and power contact comprises earthing contact (GND contact) 311 and voltage contact (VCC contact) 312; A bank contact away from the photosensitive drums axis on Delevoping cartridge is signalling contact, and signalling contact comprises signalling contact 313 and signalling contact 314.The quantity of the signalling contact that the present embodiment provides is not limited to two in Fig. 4, can also be arranged to 1 or be greater than 2.Imaging equipment body is correspondingly provided with multiple contact spring respectively with above-mentioned multiple contact.Above-mentioned GND contact 311 is grounded by contacting with the GND contact spring on imaging equipment body, VCC contact 312 is by contacting with the VCC contact spring on imaging equipment body the voltage receiving imaging equipment body and provide, and signalling contact 313 and signalling contact 314 read information or written information by realizing imaging equipment body with the signalling contact spring contact of two on imaging equipment body from memory element 300.Wherein, signalling contact spring is also not limited to only have two, when signalling contact on above-mentioned memory element be arranged to 1 or be greater than 2 time, be also correspondingly arranged to 1 or be greater than 2 as the signalling contact spring of contact element in the present embodiment.
Again as shown in Figure 3, when memory element 210 is installed on Delevoping cartridge 200, GND contact 311 in 211(and Fig. 4 of GND contact) than the VCC contact 312 in 212(and Fig. 4 of VCC contact) more away from photosensitive drums transmission gear 221, further reduce the impact of driving force transmittance process on the electrical connection between GND contact 211 and main body GND contact element, the contact between GND contact 211 and main body GND contact element more not easily disconnects compared with the contact between VCC contact 212 and main body VCC contact element.
As shown in Figure 5, in figure, X1, Y1, Z1 direction represents that memory element is arranged in three axial directions of rectangular coordinate system to Delevoping cartridge memory element schematic perspective view respectively.Memory element 400 comprises memory element substrate 410, and the front (towards the surface of imaging equipment body contact element during normal work) of memory element substrate 410 is positioned at X1Y1 plane.Memory element substrate 410 is provided with multiple contact, and wherein, GND contact 411, VCC contact 412, signalling contact 413, signalling contact 414 are corresponding identical with the GND contact 311 in Fig. 4, VCC contact 312, signalling contact 313, signalling contact 314 respectively.In multiple contacts that memory element substrate 410 is arranged, the contact portion height of GND contact 411 is arranged to higher than the contact portion height of other contact (VCC contact 412, signalling contact 413, signalling contact 414), when multiple contact on memory element substrate 410 is contacted with the multiple contact springs on imaging equipment body, the contact of the contact spring that GND contact 411 is corresponding with other compared with other contact with the contact of GND contact spring is more difficult to disconnect, and ensure that the reliability that GND contact 411 contacts with GND contact spring.Preferably, in the present embodiment, the contact portion height of GND contact 411 is arranged to the contact portion height height 2mm than other contact.
It should be noted that, in the present embodiment, memory element contact part refers to that imaging device is when normally working, the part that contact on memory element contacts with the contact spring in main body, can be plane or the curved surface of a contact, also can be a contact point, can also be multiple continuous or discrete contact points, but be not limited thereto.
Contact portion height in the present embodiment refers to part (plane, curved surface, a contact point or the multiple contact point) ultimate range between Z1 direction of principal axis and the front of memory element substrate of the contact on memory element and the corresponding contacts spring contact in main body.
Process Delevoping cartridge being installed to imaging device is below described.
As shown in Figure 3, figure cathetus L1 represents the axis as the photosensitive drums 220 of rotating element on Delevoping cartridge, and when Delevoping cartridge normally works, the drive force photosensitive drums 220 that transmission gear 221 receives main body driven wheel rotates around axis L1.Described rotating element is not limited to photosensitive drums, the element such as projection that also can be developer roll in other embodiments or arrange at Delevoping cartridge two ends.
First, Delevoping cartridge 200 is inserted in imaging device along installation direction shown in α in figure, until the two ends of Delevoping cartridge 200 contact with the Delevoping cartridge accommodation section arranged in imaging equipment body respectively, namely the projection 230 on the end cap of Delevoping cartridge one end contacts with the respective protrusions accommodation section in main body, protruding (not shown) on the Delevoping cartridge other end (being provided with one end of transmission gear 221) end cap contacts with the respective protrusions accommodation section in main body, and now Delevoping cartridge arrives predetermined installation site.Subsequently Delevoping cartridge is rotated around photosensitive drums axis L1 according to direction shown in ω in figure, until the multiple contacts on Delevoping cartridge memory element 210 contact with the multiple contact springs on imaging equipment body respectively, complete installation.
The engagement sequence schematic diagram of memory element contact and body contact spring as shown in Figure 6.In figure, memory element 510 comprises GND contact 511, VCC contact 512, signalling contact 513 and signalling contact 514, imaging equipment body 520 comprises GND contact spring 521, VCC contact spring 522, signalling contact spring 523 and signalling contact spring 524, figure cathetus L2 and represent axis as the photosensitive drums of rotating element on Delevoping cartridge.
Due in multiple contacts of memory element 510, GND contact 511 and VCC contact 512 than signalling contact 513 and signalling contact 514 closer to photosensitive drums axis L2, therefore by Delevoping cartridge according to figure in the process that rotates around L2 of direction shown in ω, the GND contact 511 on memory element 510 contacts with VCC contact spring 522 with the GND contact spring 521 on imaging equipment body 520 with signalling contact 514 prior to signalling contact 513 with VCC contact 512.Contact portion again due to the GND contact 511 in multiple contacts of memory element 510 is higher than the contact portion of other contact, therefore rotating in the process of Delevoping cartridge around L2, the GND contact 511 on memory element 510 contacts with the GND contact spring 521 on imaging equipment body prior to VCC contact 512.
Namely, in the installation process of Delevoping cartridge, first GND contact 511 in multiple contacts of memory element 510 contacts with the GND contact spring 521 in main body 520, very little through certain time length t_1(t_1, but t_1 necessarily exists, and the VCC contact 512 t_1>0) afterwards on memory element 510 contacts with the VCC contact spring 522 in main body 520, very little through certain time length t_2(t_2 again, but t_2 necessarily exists, and t_2>0, t_1 and t_2 can be the same or different) signalling contact 513 afterwards on memory element 510 contacts with signalling contact spring 524 with the signalling contact spring 523 in main body 520 with signalling contact 514.Therefore, can avoid because Delevoping cartridge memory element GND contact 511 is unearthed and form high voltage thus the problem that electric discharge damages the components and parts on memory element occurs on memory element contact and produce, further, can avoid between memory element contact, forming reverse big current because signalling contact 513 and signalling contact 514 contact with the corresponding contacts in main body prior to VCC contact 512 thus the problem affecting the stability of memory element work produces.
Those skilled in the art's easy understand, when Delevoping cartridge is taken out from imaging device, engagement sequence when multiple contact on Delevoping cartridge memory element and the order of the disconnection between the corresponding contacts on imaging equipment body are installed with above-mentioned Delevoping cartridge is contrary, namely first the signalling contact on memory element and the signalling contact spring in main body disconnect, voltage contact (VCC contact) on memory element disconnects subsequently with the voltage contact spring in main body, earthing contact (GND contact) on memory element finally disconnects with the earthing contact spring in main body, the memory element contact when being taken out from imaging device by Delevoping cartridge can be avoided to form high voltage thus the problem generation that electric discharge damages the components and parts on memory element occurs, further, can avoid forming reverse big current between memory element contact thus affect the stability of memory element work problem produce.
Embodiment two
As shown in Figure 7, the memory element 600 in the present embodiment comprises memory element substrate 610, memory element substrate 610 is provided with the locating notch 620 for locating and multiple contact.With embodiment one unlike, the row with photosensitive drum shaft line parallel is arranged in the multiple contacts on the memory element substrate in the present embodiment, and the multiple contacts in the present embodiment comprise GND contact 611, VCC contact 612, signalling contact 613 and signalling contact 614.The quantity of the signalling contact that the present embodiment provides is not limited to two in Fig. 7, can also be arranged to 1 or be greater than 2.
Be illustrated in figure 8 the memory element contact set-up mode schematic diagram in the present embodiment.The contact portion height of other contact of contact portion aspect ratio of GND contact 711 is high, and the contact portion height of the contact portion aspect ratio GND contact 711 of VCC contact 712 is low but higher than the contact portion height of signalling contact 713 and signalling contact 714.Preferably, in the present embodiment, the contact portion height of GND contact 711 is arranged to the contact portion height height 1mm than VCC contact 712, and the contact portion height of VCC contact 712 is arranged to the contact portion height height 1mm than signalling contact 713 and signalling contact 714.
It should be noted that, in the present embodiment, memory element contact part refers to that imaging device is when normally working, the part that contact on memory element contacts with the contact spring in main body, can be plane or the curved surface of a contact, also can be a contact point, can also be multiple continuous or discrete contact points, but be not limited thereto.
The meaning of the contact portion height in the present embodiment and identical in embodiment one.
Therefore, Delevoping cartridge is being installed in the process of imaging device around the rotation of photosensitive drums axis, first GND contact on memory element contacts with the GND contact in main body, VCC contact subsequently on memory element contacts with the VCC contact in main body, and the signalling contact on last memory element contacts with the signalling contact contact element in main body.Contact in main body can be the conducting elements such as conductive pole, conducting strip, spring, is preferably set to spring in the present embodiment.Signalling contact contact element in main body is also not limited to only have two, when signalling contact on above-mentioned memory element be arranged to 1 or be greater than 2 time, be also correspondingly arranged to 1 or be greater than 2 as the signalling contact spring of signalling contact contact element in the present embodiment.
Meanwhile, it is higher than the contact portion of other contact that the contact portion due to GND contact 711 is arranged, and ensure that the reliability that GND contact 711 contacts with imaging equipment body GND contact spring.
Embodiment three
Fig. 9 is the imaging equipment body partial schematic diagram in the present embodiment.As shown in the figure, as the axis of the photosensitive drums of rotating element in Delevoping cartridge when figure cathetus L3 represents Delevoping cartridge installation in imaging device.Described rotating element is not limited to photosensitive drums, the element such as projection that also can be developer roll in other embodiments or arrange at Delevoping cartridge two ends.In figure, X2, Y2, Z2 direction is expressed as three axial directions being arranged in rectangular coordinate system as equipment body.
Imaging equipment body 800 is provided with contact that is multiple and Delevoping cartridge memory element contact, and multiple contact is arranged to two rows.Contact element can be the conducting elements such as conductive pole, conducting strip, spring, is preferably set to spring in the present embodiment.Wherein, GND contact spring 801 and VCC contact spring 802 are arranged on the row near L3, and signalling contact spring 803 and signalling contact spring 804 are arranged on the row away from L3.The quantity of the signalling contact spring in the main body that the present embodiment provides is not limited to two in Fig. 9, can also be arranged to 1 or be greater than 2.
Plane 810 in Fig. 9 refers to the mounting plane of above-mentioned multiple contact spring on imaging equipment body, and plane 810 is positioned at X2Y2 plane.
In the present embodiment, the contact portion height of GND contact spring 801 is arranged to higher than the contact portion height of other contact spring (VCC contact spring 802, signalling contact spring 803, signalling contact spring 804).Preferably, in the present embodiment, the contact portion height of GND contact spring 801 is arranged to the contact portion height height 2mm than other contact spring.
It should be noted that, in the present embodiment, contact spring contact portion refers to that imaging device is when normally working, the part of the contact spring in main body and the contact on memory element, can be plane or the curved surface of a contact, also can be a contact point, can also be multiple continuous or discrete contact points, but be not limited thereto.
Contact portion (plane, curved surface, a contact point or the multiple contact point) ultimate range between Z2 direction of principal axis and plane 810 when contact portion height in the present embodiment refers to that the contact spring in main body contacts with the corresponding contacts on Delevoping cartridge memory element.
Due in multiple contact springs of imaging equipment body, GND contact spring 801 and VCC contact spring 802 than signalling contact spring 803 and signalling contact spring 804 near Delevoping cartridge axis L3, therefore, be installed in the process of imaging device being rotated about the axis by Delevoping cartridge, GND contact spring 801 and VCC contact spring 802 are prior to signalling contact spring 803 and signalling contact spring 804 and the GND contact on Delevoping cartridge memory element and VCC contact.Again due to the contact portion of GND contact spring 801 arrange higher than the contact portion of other contact spring, therefore be installed in the process of imaging device by Delevoping cartridge around the rotation of photosensitive drums axis, GND contact spring 801 is prior to VCC contact spring 802 and the GND contact on Delevoping cartridge memory element.
Namely, Delevoping cartridge is being installed in the process of imaging device, GND contact spring in the multiple contact spring of imaging equipment body first with the GND contact on memory element, VCC contact spring subsequently in main body and the VCC contact on memory element, the signalling contact spring in last main body contacts with the signalling contact on memory element.Signalling contact on memory element is also not limited to only have two, when signalling contact spring in aforementioned body be arranged to 1 or be greater than 2 time, the signalling contact in the present embodiment on memory element is also correspondingly arranged to 1 or be greater than 2.
Meanwhile, the contact portion due to GND contact spring 801 is arranged to higher than the contact portion of other contact spring, ensure that the reliability of GND contact spring 801 and Delevoping cartridge memory element GND contact.
Embodiment four
As shown in Figure 10, be the matching relationship schematic diagram of Delevoping cartridge memory element contact and imaging equipment body contact spring in the present embodiment, figure cathetus L4 represent Delevoping cartridge in an imaging device installation time as the axis of the photosensitive drums of rotating element in Delevoping cartridge.Described rotating element is not limited to photosensitive drums, the element such as projection that also can be developer roll in other embodiments or arrange at Delevoping cartridge two ends.
In the present embodiment, on memory element 900, point two rows are provided with multiple contact, and multiple contact comprises GND contact 901, VCC contact 902, signalling contact 903 and signalling contact 904.Wherein, signalling contact is not limited to two in Figure 10, also can be set to 1 or be greater than 2.Wherein, GND contact 901 and VCC contact 902 are arranged on the position near L4, and signalling contact 903 and signalling contact 904 are arranged on the position away from L4.
Further, in multiple contact, the contact portion height of GND contact 901 is arranged to higher than the contact portion height of other contact (VCC contact 902, signalling contact 903, signalling contact 904).Preferably, in the present embodiment, the contact portion height of GND contact 901 is arranged to the contact portion height height 1mm than other contact.
The meaning of the contact portion height of above-mentioned contact and identical in embodiment one.
Corresponding to the multiple contacts on memory element 900, on imaging equipment body 910, point two rows are provided with multiple contact, it can be the conducting elements such as conductive pole, conducting strip, spring that multiple contact comprises GND contact 911, VCC contact 912, signalling contact contact element 913 and signalling contact contact element 914. contact element, is preferably set to spring in the present embodiment.Wherein, signalling contact spring is also not limited to two in Figure 10, when the signalling contact on above-mentioned memory element be set to 1 or be greater than 2 time, the signalling contact spring in the present embodiment in main body is also correspondingly arranged to 1 or be greater than 2.Wherein, GND contact spring 911 and VCC contact spring 912 are arranged on the position near L4, and signalling contact spring 913 and signalling contact spring 914 are arranged on the position away from L4.
Further, in multiple contact spring, the contact portion height of GND contact spring 911 is arranged to higher than the contact portion height of other contact spring (VCC contact spring 912, signalling contact spring 913, signalling contact spring 914).Preferably, in the present embodiment, the contact portion height of GND contact spring 911 is arranged to the contact portion height height 1mm than other contact spring.
The meaning of the contact portion height of above-mentioned contact spring and identical in embodiment three.
It should be noted that, in the present embodiment, memory element contact part refers to that imaging device is when normally working, the part that contact on memory element contacts with the contact spring in main body, can be plane or the curved surface of a contact, also can be a contact point, can also be multiple continuous or discrete contact points, but be not limited thereto.
Contact spring contact portion refers to that imaging device is when normally working, the part of the contact spring in main body and the contact on memory element, can be plane or the curved surface of a contact, also can be a contact point, can also be multiple continuous or discrete contact points, but be not limited thereto.
Those skilled in the art's easy understand, due to GND contact on memory element and VCC contact than signalling contact near Delevoping cartridge axis, and on imaging equipment body GND contact spring and VCC contact spring than signalling contact spring near Delevoping cartridge axis, therefore Delevoping cartridge is being installed in the process of imaging device around the rotation of photosensitive drums axis, GND contact on memory element first contacts with VCC contact spring with the GND contact spring in main body with VCC contact, and the signalling contact on memory element contacts with after the signalling contact in main body.
Further, due in the multiple contacts on memory element, it is higher than the contact portion of other contact that GND contact part is arranged, in multiple contact springs of main body, it is higher than the contact portion of other contact spring that the contact portion of GND contact spring is arranged, therefore be installed in the process of imaging device being rotated about the axis by Delevoping cartridge, the GND contact on memory element contacts with the VCC contact spring in main body prior to the VCC contact on memory element with the GND contact spring in main body.
Namely, in the installation process of Delevoping cartridge, first GND contact in the multiple contact of memory element contacts with the GND contact spring in main body, VCC contact subsequently on memory element contacts with the VCC contact spring in main body, the signalling contact on last memory element and the signalling contact spring contact in main body.
Simultaneously, due to the contact portion of GND contact on memory element arrange higher than the contact portion of other contact, and what in main body, the contact portion of GND contact spring was arranged is higher than the contact portion of other contact spring, therefore ensure that the reliability that on memory element, GND contact contacts with GND contact spring in main body.
Embodiment five
The present embodiment is optimized the structure of Delevoping cartridge further on the basis of previous embodiment.As shown in Figure 11, Figure 12, the Delevoping cartridge in the present embodiment is arranged to split type structure, namely for storing the powder box 1200 of developer and dismountable fit system is arranged to by the bulging assembly 1100 for installing photosensitive drums.
As is illustrated by figs. 11 and 12, in order to more clearly explain the technical scheme in the present embodiment, front, back, left, right, up, down is defined respectively with the direction in Figure 11 and Figure 12.Wherein, direction is from front to back the installation direction of Delevoping cartridge.
As shown in figure 11, drum assembly 1100 is provided with the powder box mounting portion 1101 for installing powder box 1200, the tight lock part 1106,1107 of locking powder box, photosensitive drums 1102, and the waste powder hopper 1103 holding useless powder.And the right-hand end of photosensitive drums 1102 arranges the drive division 1105 for receiving power, the right side wall of waste powder hopper 1103 is provided with the useless powder escape hole 1108 that is discharged useless powder.Drum assembly 1100 is also provided with the first memory element 1104, this first memory element 1104 comprises a storage unit, this storage unit can be EEPROM, stored parameter in this storage unit at least comprises photosensitive drums swing circle, new and old, the waste powder hopper of drum assembly can hold maximum useless powder amount, has held at least one parameter in useless powder amount in waste powder hopper.First memory element 1104 is arranged on the upper surface on waste powder hopper 1103, in the axial location of photosensitive drums 1105 more near left side, the contact of such first memory element 1104 just can useless powder escape hole 1108 in waste powder hopper 1103, in the process preventing useless powder from discharging, the first memory element 1104 is contaminated.
As shown in figure 12, powder box 1200 comprises the abutting part 1201,1202 coordinated with tight lock part 1106,1107 in drum assembly 1100 respectively, be convenient to the handle part 1203 of user installation, carbon dust in powder box 1200 is supplied to the powder feeding roller 1206 of developer roll 1205, and when powder box 1200 is mounted to bulging assembly 1100, carbon dust in powder box 1200 can be supplied to photosensitive drums 1102 surface by developer roll 1205; The lower surface of powder box 1200 is provided with the second memory element 1204, this second memory element 1204 is the front surface of installation site near powder box and the position on right surface on powder box 1200, and in the second memory element, also storage unit is set, this storage unit comprises powder box can hold maximum useless powder amount, has held at least one parameter in the parameters such as useless powder amount, powder box are new and old, manufacturer, date of manufacture in powder box.Because the second memory element 1204 is near front surface, so away from developer roll 1205, the carbon dust of such developing roller surface can not fly, to the second memory element 1204 surface, the second memory element can be prevented contaminated; And second memory element 1204 be arranged on the bottom surface of powder box, the design proposal of right side wall is installed in relative to memory element, can avoid powder box in installation process, the second memory element 1204 encounters the high-voltage contact for powering to powder box sidewall on printer main body.
It should be noted that, just in order to allow, those skilled in the art are clearer understands the present invention for above-mentioned first memory element and the second memory element, and the technical scheme of the non-limiting embodiment of the present invention, memory element 1204 on powder box can also be called the first memory element, the memory element 1104 on drum assembly is called the second memory element.In addition, at least one the memory element contact of two memory elements in the present embodiment and printer, body contacts connected mode can adopt any one mode in embodiment one to embodiment four.And the powder box in the present embodiment is not limited to the split-type structural in Figure 11 and Figure 12 with drum assembly, can also be arranged to the structure of integral type.
As shown in figure 12, powder box 1200 also comprise two coordinate with printer main body by splenium 1206,1207, these two are respectively by splenium 1206,1207 extend from the plane at printer left side wall, right side wall place to powder box left and right sides raised; After powder box 1200 and drum assembly 1100 are mounted to printer main body, can be received from the downward pressure of printer main body by splenium 1206,1207.And the power (the first power) received by splenium 1207 from printer main body on the right side of powder box, can receive from printer contact element elastic force upwards (a second power) part of cancelling out each other with memory element 1204, such powder box can stably be arranged in printer.It should be noted that, above-mentioned extended not only to comprise from the plane at powder box left side wall, right side wall place by splenium 1206,1207 directly extend from the plane at left side wall, right side wall place as root, also comprise from described powder box housing upper surface, the space corresponding through described left and right sidewall plane extends towards the left and right sides.
Preferably, described first power and described second power above-below direction are in fig. 12 positioned at contrary direction.It should be noted that, reverse direction is not here the direction of strict 180 °, but approximately, roughly contrary direction.
As shown in figure 13, contact 1104a, 1104b, 1104c, 1104d on the first memory element arrange in a row, and the distance between the portion centers that abuts with printer contact site of each contact is d1.As shown in figure 14, contact 1204a, 1204b, 1204c, 1204d on second memory element are arranged to two rows, and on photosensitive drums axis direction (left and right), the distance of the portion centers abutted with printer contact site of contact 1204c and the portion centers abutted with printer contact site of contact 1204d is d3; On front and back (perpendicular to photosensitive drums axis, and being roughly parallel to powder box sidewall) direction, the distance between the portion centers abutted with printer contact site of contact is d2; And d1>d2, d1>d3.The benefit of such setting is, when drum assembly is mounted in printer, the contact of the first memory element can have living space and arrange larger by current-carrying part on contact, so bulging assembly 1100 is in installation process, even if the gap coordinated with drum assembly in printer is very large, also well can ensure that the first memory element is connected with the contact element in printer; And powder box is mounted in bulging assembly 1200 process, because drum assembly is provided with the guide rail guiding powder box to install, so powder box is less in left and right directions skew, even if the contact conductive part on the second memory element is less, the contact element in printer also can be good at and the contact on the second memory element; And after powder box installation, because the tolerance clearance between drum assembly and powder box is less, so in the longitudinal direction, powder box moving range is also less, what the distance of d2 was arranged is less than the stable contact that d1 also can meet electric shock.
Although embodiment disclosed in this invention is as above, the embodiment that above-mentioned content just adopts for the ease of understanding the present invention, and be not used to limit the present invention.Technician in any the technical field of the invention; under the prerequisite not departing from spirit and scope disclosed in this invention; any amendment and change can be done what implement in form and in details; but scope of patent protection of the present invention, the scope that still must define with appending claims is as the criterion.
Claims (11)
1. the memory element on Delevoping cartridge, described memory element is provided with voltage contact, earthing contact and signalling contact; Described Delevoping cartridge is removably installed in image forming apparatus, and described image forming apparatus comprises main body, described main body is respectively arranged with the corresponding contact part contacted with signalling contact with voltage contact, earthing contact on described memory element; It is characterized in that:
When described Delevoping cartridge is mounted to image forming apparatus process, in described earthing contact and main body, the conducting of corresponding contact part is early than the conducting of corresponding contact part in described voltage contact and main body, and in described voltage contact and main body, the conducting of corresponding contact part is early than the conducting of corresponding contact part in described signalling contact and main body; And/or
When described Delevoping cartridge takes out from image forming apparatus, in described earthing contact and main body, the disconnection of corresponding contact part is later than the disconnection of corresponding contact part in described voltage contact and main body, and in described voltage contact and main body, the disconnection of corresponding contact part is later than the disconnection of corresponding contact part in described signalling contact and main body.
2. memory element as claimed in claim 1, is characterized in that:
Described Delevoping cartridge is provided with rotating element;
On the axis direction being parallel to described rotating element, the voltage contact on described memory element and described earthing contact are arranged on first row, and described signalling contact is arranged on and is different from the second row of first row; Perpendicular on the Delevoping cartridge installation direction of described axis, described first row is less than the distance of described second row and described axis with the distance of described axis;
And on the third direction perpendicular to described axis and described Delevoping cartridge installation direction, the height dimension of described earthing contact is greater than the height dimension of described voltage contact; And/or
On the third direction perpendicular to described axis and described Delevoping cartridge installation direction, be greater than the height dimension with the contact element of described voltage contact conducting with the height dimension of the contact element of described earthing contact conducting.
3. memory element as claimed in claim 1, is characterized in that:
Described Delevoping cartridge is provided with rotating element;
On the axis direction being parallel to described rotating element, the voltage contact on described memory element, earthing contact and signalling contact arrange in a row;
And on the third direction perpendicular to described axis and described Delevoping cartridge installation direction, the height dimension of described earthing contact is greater than the height dimension of described voltage contact, the height dimension of described voltage contact is greater than the size of described signalling contact; And/or
On the third direction perpendicular to described axis and described Delevoping cartridge installation direction, be greater than the height dimension with the contact element of described voltage contact conducting with the height dimension of the contact element of described earthing contact conducting, be greater than the height dimension with the contact element of described signalling contact conducting with the height dimension of the contact element of described voltage contact conducting.
4. memory element as claimed in claim 1, is characterized in that:
The described memory element quantity that described Delevoping cartridge is arranged is two, and wherein first memory element is arranged on the housing in powder storehouse of receiving photographic developer, and described first memory element stores the parameter of described developer;
Second memory element is arranged on the housing of the assembly holding rotating element, and described second memory element stores the parameter of described rotating element.
5. the memory element according to any one of Claims 1-4, is characterized in that:
The quantity of described signalling contact is two, and described two signalling contacts are along the axis direction arrangement being parallel to rotating element on described Delevoping cartridge.
6. a Delevoping cartridge, is characterized in that, comprises the memory element according to any one of claim 1 to 5.
7. an image forming apparatus, it is characterized in that, comprise Delevoping cartridge according to claim 6, described image forming apparatus also comprises main body, described main body is respectively arranged with the corresponding contact part contacted with signalling contact with voltage contact, earthing contact on described memory element.
8. Delevoping cartridge is installed to the method in image forming apparatus, it is characterized in that, described method comprises:
A. be mounted in described image forming apparatus body process at described Delevoping cartridge, the earthing contact elder generation of memory element and corresponding contact part conducting in described main body in described Delevoping cartridge;
B. in described Delevoping cartridge in the earthing contact of memory element and described main body after the conducting of corresponding contact part, the contact element conducting that the voltage contact of described memory element is corresponding to described main body again;
C. after the contact element conducting that the voltage contact of memory element is corresponding to described main body in described Delevoping cartridge, the contact element conducting that the signalling contact of described memory element is just corresponding to described main body.
9. method as claimed in claim 8, it is characterized in that, described Delevoping cartridge is provided with rotating element, before described step a, described Delevoping cartridge has been mounted in the main body of described image forming apparatus at least partially, and can the rotating around the axis of described rotating element at least partially of described Delevoping cartridge;
The voltage contact center of described memory element and the straight line at place, described earthing contact center, be parallel to described axis.
10. a method of being taken out from image forming apparatus by Delevoping cartridge, is characterized in that, described method comprises:
A. at described Delevoping cartridge from the process that described image forming apparatus body takes out, the signalling contact of the described memory element first contact element corresponding to described main body disconnects;
B., after the contact element that the signalling contact of memory element is corresponding to described main body disconnects, the contact element that the voltage contact of described memory element is corresponding to described main body again disconnects;
C., after the contact element that the voltage contact of described memory element is corresponding to described main body disconnects, the contact element that the earthing contact of described memory element is corresponding to described main body again disconnects.
11. methods as claimed in claim 10, it is characterized in that, described Delevoping cartridge is provided with rotating element, before described step a, described Delevoping cartridge is arranged in the main body of described image forming apparatus at least partially, can rotating around the axis of described rotating element at least partially of described Delevoping cartridge;
The voltage contact center of described memory element and the straight line at place, described earthing contact center, be parallel to described axis;
And at described Delevoping cartridge from the process that described image forming apparatus body takes out, described Delevoping cartridge axis place be later than the main body that described memory element leaves described image forming apparatus at least partially.
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| CN201910596237.3A CN110297413B (en) | 2015-12-31 | 2015-12-31 | Image forming apparatus, developing cartridge for image forming apparatus |
| CN201511015055.0A CN105549361A (en) | 2015-12-31 | 2015-12-31 | Storage element, developing cartridge employing same and image forming equipment |
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| CN201511015055.0A CN105549361A (en) | 2015-12-31 | 2015-12-31 | Storage element, developing cartridge employing same and image forming equipment |
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| CN201910596237.3A Division CN110297413B (en) | 2015-12-31 | 2015-12-31 | Image forming apparatus, developing cartridge for image forming apparatus |
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| CN201910596237.3A Active CN110297413B (en) | 2015-12-31 | 2015-12-31 | Image forming apparatus, developing cartridge for image forming apparatus |
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| CN110297413B (en) | 2022-07-15 |
| CN110297413A (en) | 2019-10-01 |
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