CN103676536B - Power control and image processing system - Google Patents
Power control and image processing system Download PDFInfo
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- CN103676536B CN103676536B CN201310409952.4A CN201310409952A CN103676536B CN 103676536 B CN103676536 B CN 103676536B CN 201310409952 A CN201310409952 A CN 201310409952A CN 103676536 B CN103676536 B CN 103676536B
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- 238000012545 processing Methods 0.000 title claims abstract description 16
- 238000001514 detection method Methods 0.000 claims abstract description 10
- 230000008447 perception Effects 0.000 claims description 11
- 238000007689 inspection Methods 0.000 claims description 5
- 230000005611 electricity Effects 0.000 abstract description 3
- 238000005868 electrolysis reaction Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 11
- 108091008695 photoreceptors Proteins 0.000 description 7
- 238000012546 transfer Methods 0.000 description 7
- 230000007423 decrease Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 206010014357 Electric shock Diseases 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005669 field effect Effects 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- AXDJCCTWPBKUKL-UHFFFAOYSA-N 4-[(4-aminophenyl)-(4-imino-3-methylcyclohexa-2,5-dien-1-ylidene)methyl]aniline;hydron;chloride Chemical compound Cl.C1=CC(=N)C(C)=CC1=C(C=1C=CC(N)=CC=1)C1=CC=C(N)C=C1 AXDJCCTWPBKUKL-UHFFFAOYSA-N 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The invention provides a kind of power control, this device is implemented for the electric discharge of electrolytic condenser and the countermeasure of hit capacity two aspect.This power control possesses the discharge cell (R1) of AC/DC converter section (30), AC power supplies disconnection detection unit (S1) and the level and smooth electricity consumption electrolysis condenser (C2) with level and smooth electrolytic condenser (C2), and the control part (CC1) of the electric discharge of the people's detecting unit (S2) possessed for detecting people and the level and smooth electrolytic condenser of control (C2).Control part (CC1), when detecting that AC power supplies (Vac) is cut off by AC power supplies disconnection detection unit (S1), do not make smoothly to use the charge discharge of electrolytic condenser (C2) when people not detected by people's detecting unit (S1), and make the charge discharge smoothly using electrolytic condenser (C2) when people being detected.The present invention also provides the image processing system possessing this power control.
Description
Technical field
The present invention relates to power control, particularly relate to the power control possessing AC/DC converter section and the image processing system possessing this power control.
Background technology
In the image processing system based on electronic photo mode such as printer, manifolder, be usually equipped with the power supply possessing AC/DC converter section.In such power supply, make when input power is disconnected smoothly to prevent electric shock accidents with electrolytic condenser electric discharge.Be in jumbo power supply at ratings, when underload actions such as energy saver modes, when when there is out of control grade, user wants to reset device, powered-down switch, if powered-down switch, then because remain voltage in the electrolytic condenser in power supply, be not cut off so there is power supply, the problem of CPU can not be reset.
Further, when attendant's device for opening comes close to power supply when power failure, there is the Danger Electric shock risk caused by the residual voltage of above-mentioned electrolytic condenser.Therefore, the possibility that if by cutting off the electricity supply without exception making the electrolytic condenser in power supply discharge after the stipulated time, then in the area of power status difference, the hit capacity that there is power supply declines, the action of device stops suddenly.
In patent documentation 1, describe control electrolytic condenser being discharged when ac-input power supply is cut off.But, in this control, owing to whether having people regardless of around device, all make it discharge, so there is the problem can not carrying out hit reply.
In patent documentation 2, describe a kind of control as described below, in this control, if detect that the connection that connector is connected to the capacitor unit between apparatus main body is separated this situation by with apparatus main body by testing circuit, then make electrolytic condenser discharge.But, in this control, due to detect with the cut-out of ac-input power supply independently, people pulls out this situation of capacitor unit and discharges to make electrolytic condenser, can not reset the conducting of power switch, the problem of disconnection so exist.
That is, in described in patent documentation 1,2 any technology, for the electric discharge of electrolytic condenser and the countermeasure of hit capacity two aspect all very inabundant.
Patent documentation 1: Japanese Unexamined Patent Publication 2004-282921 publication
Patent documentation 2: Japanese Unexamined Patent Publication 08-205401 publication
Summary of the invention
The object of the present invention is to provide a kind of enforcement for the power control of the electric discharge of electrolytic condenser and the countermeasure of hit capacity two aspect and image processing system.
The power control of the 1st mode of the present invention, it possesses the discharge cell of AC/DC converter section, AC power supplies disconnection detection unit and the above-mentioned level and smooth electrolytic condenser with level and smooth electrolytic condenser, it is characterized in that,
Above-mentioned power control possesses:
For detecting people's detecting unit of people; And
Control the control part of the electric discharge of above-mentioned level and smooth electrolytic condenser,
Above-mentioned control part is when going out AC power supplies and being cut off by above-mentioned AC power supplies disconnection detection unit inspection, the charge discharge of above-mentioned level and smooth electrolytic condenser is not made when not detecting people by above-mentioned people's detecting unit, further, the charge discharge of above-mentioned level and smooth electrolytic condenser is made when detecting people.
The feature of the image processing system of the 2nd mode of the present invention is to possess above-mentioned power control.
In above-mentioned power control, when AC power supplies is cut off, only when detecting people, the level and smooth electrolytic condenser being equipped on AC/DC converter section is discharged.That is, when input power is cut off, has near device during people and electrolytic condenser is discharged, thus the people's (being in most cases attendant (serviceman)) near protection is from electric shock accidents.On the other hand, if there be nobody nearby, do not make electrolytic condenser discharge even if then input power is cut-off yet, thus prevent the decline of the hit capacity of power supply replacement and device.
According to the present invention, can protect in the electric discharge thing of electrolytic condenser people, and, the decline of hit capacity can be prevented when the security of people can be guaranteed.
Accompanying drawing explanation
Fig. 1 is the brief configuration figure of the image processing system represented as an embodiment.
Fig. 2 is the block diagram of the power control represented as the 1st embodiment.
Fig. 3 is the process flow diagram of the control procedure represented in the 1st embodiment.
Fig. 4 is the block diagram of the power control represented as the 2nd embodiment.
Fig. 5 is the process flow diagram of the control procedure represented in the 2nd embodiment.
Fig. 6 is the process flow diagram of other the example representing control procedure.
Description of reference numerals
1 ... printer; 20A, 20B ... power control; 30 ... AC/DC converter section; C2 ... level and smooth electrolytic condenser; Vac ... AC power; S1 ... AC power supplies disconnection detection sensor; S2 ... human perception sensor; S3 ... touch sensor; R1 ... discharge resistance; CC1 ... charge/discharge control circuit.
Embodiment
Below, with reference to accompanying drawing, the embodiment of power control involved in the present invention and image processing system is described.Wherein, give common Reference numeral to the same parts in each figure, same section, and the repetitive description thereof will be omitted.
(brief configuration of image processing system, with reference to Fig. 1)
First, with reference to Fig. 1, the brief configuration of the image processing system as an embodiment is described.This image processing system is configured to the full color printer 1 based on electronic photo mode.
Tandem (tandem) mode of the photoreceptor 2k that this printer 1 is configured to juxtaposition Y (yellow), M (fuchsin), C (blue-green) coloured image formation photoreceptor 2y, 2m, 2c and B (black) black image is formed, is configured with the laser scan unit 4 of the image formation elements such as developing cell 3y, 3m, 3c, 3k and image exposure around each photoreceptor 2y, 2m, 2c, 2k.Directly over photoreceptor 2y, 2m, 2c, 2k, be configured with intermediate transfer belt 5, and directly over it, be configured with toner supplying unit 6y, 6m, 6c, 6k of supplying new toner to each developing cell 3y, 3m, 3c, 3k.About the process of the formation of the sub-image on each photoreceptor 2y, 2m, 2c, 2k, toner image, above-mentioned well known, the description thereof will be omitted herein.
Paper feeding cassette 10 is configured with immediately below laser scan unit 4.The clamping part that the paper using supplied seriatim by this paper feeding cassette 10 is transported between intermediate transfer belt 5 and transfer roll 7 by quilts such as rollers 11,12, toner image is transferred in paper using from intermediate transfer belt 5 by 2 times.Then, paper using is sent to fixation unit 8 and to be subjected to the heat of toner fixing, and is discharged to the discharge tray 9 of body upper from distributing roller 13.
Above photoreceptor or roller etc. are driven by following motor.That is, mair motor M1 drives from the paper using induction system of paper feeding cassette 10 to 2 transfer sections (transfer roll 7), intermediate transfer belt 5 and black photoreceptor 2k.Fixing motor M 2 drives fixation unit 8.Black development motor M 3 drives black developing cell 3k.Colour development motor M 4 drives colour development unit 3y, 3m, 3c.Color sensitive body motor M 5 drives color sensitive body 2y, 2m, 2c.
(the 1st embodiment of power control, with reference to Fig. 2 and Fig. 3)
As shown in Figure 2, power control 20A as the 1st embodiment is the device being connected to AC/DC converter section 30 on the line L and line N of AC power Vac, in addition, online L, N are also connected with the heating lamp H1 of fixation unit 8 via bidirectional triode thyristor (TRIAC) TR1.
AC/DC converter section 30 is made up of diode D1, D2, D3, D4 and level and smooth electricity consumption electrolysis condenser C2, discharge resistance R1 and transformer T1, and possesses charge/discharge control circuit CC1, AC power supplies disconnection detector S1 and human perception sensor S2.Electrolytic condenser C2 and discharge resistance R1 between power lead DC1, DC2 with stateful connection mutually arranged side by side.One end of discharge resistance R1 is connected to the efferent of charge/discharge control circuit CC1 by MOS field effect transistor Q2.Rectification is carried out by diode D1 ~ D4 from the alternating voltage of AC power Vac input, and by electrolytic condenser C2 smoothingization.
AC power supplies disconnection detector S1 and human perception sensor S2 is connected with at the input part of charge/discharge control circuit CC1.AC power supplies disconnection detector S1 is connected to line L, N via line LS1, NS1.Human perception sensor S2 is the sensor utilizing infrared ray, temperature etc. to carry out the situation that direct-detection has people close.
The armature winding of transformer T1 is connected in series with MOS field effect transistor Q1, by conducting, the next energy to primary side transmission, cut-out primary side of cut-off of this transistor Q1.Secondary winding possesses the lead-out terminal t2 of lead-out terminal t1 and 5V of 24V, and respectively by diode D5, D6 and electrolytic condenser C3, C4 rectification level and smooth.The lead-out terminal t1 of 24V is used as the power supply terminal of the drive system of each motor M above-mentioned 1 ~ M5 etc.The lead-out terminal t2 of 5V is used as the power supply terminal of the CPU dispatch control system controlling printer 1 on the whole.
If AC power Vac is cut off, then the voltage between line LS1, NS1 changes, and corresponding to this change, AC cut-off signal ACS1 exports to charge/discharge control circuit CC1 by detecting device S1.In addition, if having people near human perception sensor S2 perception, then human perceptual signal MS1 is exported to charge/discharge control circuit CC1.Charge/discharge control circuit CC1 is when the situation that AC power supplies is cut off being detected by AC power supplies disconnection detector S1, make when people not detected by human perception sensor S2 smoothly not discharge with the electric charge of electrolytic condenser C, and exporting emit signal DC01 when people being detected to make transistor Q2 conducting, making the charge discharge smoothly using electrolytic condenser C2.Now, electric charge is released as heat by discharge resistance R1.
Consider the instantaneous voltage drop during cut-out of AC power Vac, smoothly there is with electrolytic condenser C2 capacity printer 1 being operated in as the 1 AC cycles time (20ms) of hit capacity.When human perception sensor S2 perceives people, when detecting device S1 detects the cut-out of AC power Vac, after as the 1 AC cycles time (20ms) of hit capacity, make transistor Q2 conducting, make charging in the charge discharge of electrolytic condenser C2 by discharge resistance R1.When sensor S2 does not perceive people, even if detecting device S1 detects the cut-out of AC power Vac, also off transistor Q2, electrolytic condenser C2 does not discharge.
By above control, in smoothly protecting people with in the electric discharge of electrolytic condenser C2, and the decline of hit capacity can be prevented when the security of people can be guaranteed.
Next, with reference to Fig. 3, the control procedure of above-mentioned power control 20A is described.If power supply is switched on, if detect have people to exist (step S1 is yes) around by human perception sensor S2, and, if the cut-out (step S2 is yes) of AC power Vac detected by AC power supplies disconnection detector S1, time then after 20ms (step S3 is yes), electrolytic condenser C2 is made to discharge (step S4).
(the 2nd embodiment of power control, with reference to Fig. 4 and Fig. 5)
As shown in Figure 4, power control 20B as the 2nd embodiment is a kind of device as described below, its have the guidance panel being arranged at printer 1 for user by the touch sensor S3 of various parameters input or switch etc., the human perception sensor S2 replacing above-mentioned power control 20A to comprise with this.That is, be operated to indirectly detect people close to printer 1 (being more specifically power control 20B) by touch sensor S3.In addition, touch sensor or switch are not limited to and are arranged at guidance panel.
In power control 20B as this 2nd embodiment; this device other structure and action identical with the power control 20A as above-mentioned 1st embodiment; further, when can in level and smooth with in the electric discharge of electrolytic condenser C2, people is protected and can prevent when the security of people can be guaranteed the decline of hit capacity this in be also identical.
Next, with reference to Fig. 5, the control procedure in above-mentioned power control 20B is described.If power supply is switched on, if detect that someone exists around (step S11 is yes) by touch sensor S3, if at timer count during 10 seconds (step S12 is yes), the cut-out (step S13 is yes) of AC power Vac is detected by AC power supplies disconnection detector S1, when then have passed through 20ms (step S14 is yes), electrolytic condenser C2 is made to discharge (step S15).If within 10 seconds, do not perform the control making electrolytic condenser C2 discharge after (step S12 is no) at timer count, if be rise through 10 seconds in the moment measuring people due to self-inspection, then in most cases leave printer 1 for this people.
(based on the control of the discharge time of pattern, with reference to Fig. 6)
When above-mentioned printer 1 has the 1st pattern and 2nd pattern fewer than the 1st mode power consumption as its pattern, in the above-mentioned 1st and the 2nd embodiment, from detected by AC power supplies disconnection detector S1 AC power Vac be cut off time to smoothly discharging with electrolytic condenser C2, be identical when execution the 1st pattern and when execution the 2nd pattern.
On the other hand, also can by from being detected AC power Vac by AC power supplies disconnection detector S1 to being smoothly set as with the time electrolytic condenser C2 discharges being cut off, relatively short when execution the 1st pattern, relatively long when execution the 2nd pattern.That is, when printer 1 has the different pattern of load, be select with maximum load relative to the capacity of the electrolytic condenser C2 of hit capacity.Therefore, if be in the action under standby mode or little the 2nd pattern of sleep pattern even load, then can postpone a little to promote hit capacity by making the beginning of electric discharge.
Fig. 6 represents the control procedure making the electric discharge start time of electrolytic condenser C2 not identical accordingly with the pattern of printer 1.In figure 6, the control procedure shown in step S11 ~ S13 and Fig. 5 is identical.If detect that AC power Vac is cut off in step S13, during action then under the printing model that load is large (step S21 is yes), start making electrolytic condenser C2 through 20ms (step S22 is yes) to discharge (step S28).The energy of electrolytic condenser C2 is consider energy when being cut down after the 20ms of the hit capacity as printer 1.
When being in the action under standby mode (step S23 is yes), start making electrolytic condenser C2 through 100ms (step S24 is yes) to discharge (step S28).Owing to remaining the energy of the electrolytic condenser C2 being equivalent to the part that power consumption reduces compared with printing model in stand-by mode, so to start electric discharge after 100 ms.Next, when being in the action under sleep pattern (step S25 is yes), start making electrolytic condenser C2 through 500ms (step S26 is yes) to discharge (step S28).This considers that sleep pattern is less than standby mode load.
When being in the action under the pattern beyond above-mentioned pattern, when through 1 second, (step 27 is yes) makes electrolytic condenser C2 start to discharge (step S28).These other pattern can be assumed to be the further low-power consumption mode as energy conservation standard.Although there is the hit capacity of long duration during action under this low-power consumption mode, if by until the time starting to discharge sets longer, then hinder the replacement carried out power supply pass, open.Therefore, in this control example, the upper limit is set to 1 second.Further, the time delay in this control example also can be set to corresponding to pattern and meet time of maximum hit capacity.
(other embodiment)
In addition, power control involved in the present invention and image processing system are not limited to the device in above-described embodiment, can make various change in the scope of its aim.
Particularly, the discreet portions of the structure of AC/DC converter section 30 is arbitrary.In addition, as image processing system, above-mentioned printer 1 is certainly also not limited to.
As mentioned above, the present invention is conducive to power control or image processing system, and especially can protect people in the electric discharge of electrolytic condenser and can prevent this aspect of the decline of hit capacity, the present invention has good effect.
Claims (6)
1. a power control, it possesses the discharge cell of AC/DC converter section, AC power supplies disconnection detection unit and the described level and smooth electrolytic condenser with level and smooth electrolytic condenser, and it is characterized in that, described power control possesses:
People's detecting unit, it is for detecting people; And
Control part, controls the electric discharge of described level and smooth electrolytic condenser,
When being gone out AC power supplies by described AC power supplies disconnection detection unit inspection and being cut off, described control part does not make the charge discharge of described level and smooth electrolytic condenser when people not detected by described people's detecting unit, and makes the charge discharge of described level and smooth electrolytic condenser when people being detected.
2. power control according to claim 1, is characterized in that,
Described people's detecting unit is human body detecting sensor,
When from the stipulated time before the cut-out of AC power supplies to be cut to stop-pass cross described human perception sensor detect people, described control part controls the electric discharge of described level and smooth electrolytic condenser.
3. power control according to claim 1, is characterized in that,
Described people's detecting unit is the touch sensor or switch that are user-operably,
When from the stipulated time before the cut-out of AC power supplies, to cut-out, described touch sensor or switch are operated to detect people, described control part controls the electric discharge of described level and smooth electrolytic condenser.
4. power control as claimed in any of claims 1 to 3, is characterized in that,
There is the 1st pattern and 2nd pattern fewer than the 1st mode power consumption,
From being gone out AC power supplies by described AC power supplies disconnection detection unit inspection, to be cut to time till the electric discharge carrying out described level and smooth electrolytic condenser identical with when performing described 2nd pattern when performing described 1st pattern.
5. power control as claimed in any of claims 1 to 3, is characterized in that,
There is the 1st pattern and 2nd pattern fewer than the 1st mode power consumption,
From being gone out AC power supplies by described AC power supplies disconnection detection unit inspection, to be cut to time till the electric discharge carrying out described level and smooth electrolytic condenser relatively short when performing described 1st pattern, relatively long when performing described 2nd pattern.
6. an image processing system, is characterized in that,
Possesses the power control described in any one of claim 1 to 5.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012199110A JP5765309B2 (en) | 2012-09-11 | 2012-09-11 | Power supply control apparatus and image forming apparatus |
| JP2012-199110 | 2012-09-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103676536A CN103676536A (en) | 2014-03-26 |
| CN103676536B true CN103676536B (en) | 2016-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310409952.4A Active CN103676536B (en) | 2012-09-11 | 2013-09-10 | Power control and image processing system |
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| JP (1) | JP5765309B2 (en) |
| CN (1) | CN103676536B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7010140B2 (en) * | 2018-05-21 | 2022-01-26 | 株式会社リコー | Power supply and image forming equipment |
| JP7218518B2 (en) * | 2018-08-31 | 2023-02-07 | 京セラドキュメントソリューションズ株式会社 | image forming device |
| JP2021093833A (en) * | 2019-12-10 | 2021-06-17 | 日立Astemo株式会社 | Electronic control device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08289539A (en) * | 1995-04-11 | 1996-11-01 | Nec Shizuoka Ltd | Switching power supply system |
| JPH0937562A (en) * | 1995-07-17 | 1997-02-07 | Mitsubishi Electric Corp | Inverter device |
| JP4335485B2 (en) * | 2001-09-28 | 2009-09-30 | 美恵子 露崎 | Control device |
| JP5317542B2 (en) * | 2008-06-12 | 2013-10-16 | キヤノン株式会社 | Information processing apparatus, control method, and program |
| JP5919170B2 (en) * | 2012-10-30 | 2016-05-18 | 日本電信電話株式会社 | Message management system |
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| Publication number | Publication date |
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| JP2014057382A (en) | 2014-03-27 |
| JP5765309B2 (en) | 2015-08-19 |
| CN103676536A (en) | 2014-03-26 |
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