CN104090473A - Laser device and protection method thereof - Google Patents
Laser device and protection method thereof Download PDFInfo
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- CN104090473A CN104090473A CN201410253228.1A CN201410253228A CN104090473A CN 104090473 A CN104090473 A CN 104090473A CN 201410253228 A CN201410253228 A CN 201410253228A CN 104090473 A CN104090473 A CN 104090473A
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Abstract
The invention provides a laser device which includes: an opening cover which can selectively be in an opened status or a closed status, a laser scanning unit, a processing unit which is used for supplying electric energy for the laser scanning unit and a first detection unit which is used for detecting the status of the opening cover. When the opening cover is in the opened status, the first detection unit sends a first detection signal; when the opening cover is in the closed status, the first detection unit sends a second detection signal. The laser device also includes a second detection unit which is used for detecting whether the laser scanning unit is in an operating position. When the laser scanning unit is in the operating position, the second detection unit sends a third detection signal to the processing unit; when the laser scanning unit is not in the operating position, the second detection unit sends a fourth detection signal to the processing unit. When the processing unit detects the third detection signal, which is sent by the second detection unit, and the second detection signal, which is sent by the first detection unit, the processing unit enables the laser scanning unit to be in an energy-obtaining status.
Description
Technical field
The present invention relates to laser aid, especially relate to a kind of laser aid and guard method thereof.
Background technology
LSU (Laser Scanning Unit, laser scan unit) is usually used on the laser aid such as laser printer, multifunctional paper feeding machine.LSU primary structure comprises lasing fluorescence diode, and general lasing fluorescence diode has the restriction in serviceable life, once exceed serviceable life, the energy of lasing fluorescence diode will significantly be decayed, and then cause laser aid to be limited to lasing fluorescence diode serviceable life, cause like this user LSU that needs repairing to ensure that laser aid normally works.And in the time of maintenance, only have device is disassembled completely, could change LSU, cause maintenance difficulty larger; And in the time changing LSU, be easy to cause the damage of device and LSU.
Summary of the invention
The invention provides a kind of laser aid and guard method thereof, can be convenient to maintenance or the replacing of LSU, and the board to laser aid and the damage of LSU can prevent from changing LSU time.
On the one hand, the invention provides a kind of laser aid, comprising:
Uncap, alternative in opening or closed condition;
Laser scan unit;
Processing unit, couples this laser scan unit, is used to this laser scan unit that electric energy is provided;
The first detecting unit, couple this processing unit, for detecting the state that this is uncapped, and when detecting this while uncapping as opening, this first detecting unit sends the first detection signal to this processing unit, when detecting this while uncapping as closed condition, this first detecting unit sends the second detection signal to this processing unit; And
The second detecting unit, couple this processing unit, whether be used for detecting this laser scan unit in working position, in the time detecting this laser scan unit in working position, this second detecting unit sends the 3rd detection signal to this processing unit, in the time detecting this laser scan unit not in working position, this second detecting unit sends the 4th detection signal to this processing unit;
Wherein, in the time that this processing unit receives the 3rd detection signal of this second detecting unit transmission and this second detection signal of the first detecting unit transmission, this processing unit makes this laser scan unit in enabled status.
Preferably, if when this processing unit receives the first detection signal of this first detecting unit transmission or the 4th detection signal of this second detecting unit transmission, this processing unit makes this laser scan unit in disabled state.
Preferably, when this laser scan unit is during in this enabled status, this processing unit, also for judging whether this laser scan unit normally works.
Preferably, this laser aid also comprises display unit, and this display unit couples this processing unit, and this display unit is for indicating characteristic parameter and point out this laser scan unit of user in malfunction, and wherein this characteristic parameter is corresponding to this laser scan unit.
Preferably, this first detecting unit, this second detecting unit utilize sensitization means or adopt the designed hardware circuit of sensor to detect.
Preferably, this laser aid adopts this laser scan unit drawing out type structure.
Preferably, this laser aid is 3D light-cured type printer.
On the other hand, the invention provides a kind of guard method of laser aid, for laser aid, this laser aid comprises: uncap and laser scan unit, the method comprises:
Whether detect this laser scan unit in working position, and detect this and uncap whether in closed condition;
If this laser scan unit in working position and this uncap in closed condition, make this laser scan unit in enabled status.
Preferably, the method also comprises:
If this is uncapped in opening or this laser scan unit not in working position, make this laser scan unit in disabled state.
Preferably, the method also comprises:
When this laser scan unit is during in this enabled status, further judge whether this laser scan unit normally works;
If this laser scan unit fault, this laser scan unit of prompting user is in malfunction.
Preferably, this laser aid also comprises: display unit; The method also comprises: make to show on this display unit the information of this laser scan unit in malfunction.
Compared with prior art, laser aid provided by the invention, the first detecting unit can be detected the state of uncapping, and sends detection signal to processing unit; The second detecting unit can scan laser scanning element whether in working position, and send detection signal to processing unit, make processing unit can know laser scan unit and the state of uncapping, determine the conversion of laser scan unit between disabled state and enabled status, and then be convenient to maintenance or the replacing of laser scan unit, and the board to laser aid and the damage of laser scan unit can prevent from changing laser scan unit time.
Brief description of the drawings
Fig. 1 is the schematic diagram of uncapping of a kind of laser aid provided by the invention;
Fig. 2 is that a kind of uncapping provided by the invention taken out laser scan unit and uncap and insert the process of laser scan unit;
A kind of laser aid that Fig. 3 provides for first embodiment of the invention functional block diagram;
A kind of laser aid that Fig. 4 provides for second embodiment of the invention functional block diagram;
The schematic flow sheet of the guard method of a kind of laser aid that Fig. 5 provides for third embodiment of the invention;
The schematic flow sheet of the guard method of a kind of laser aid that Fig. 6 provides for fourth embodiment of the invention;
The schematic flow sheet of the guard method of the another kind of laser aid that Fig. 7 provides for fourth embodiment of the invention.
Embodiment
For making that object of the present invention, structure, feature and function thereof are had to further understanding, hereby coordinate embodiment to be described in detail as follows.
As shown in Figure 1, the schematic diagram that has disclosed a kind of drawing out type laser aid provided by the invention and uncapped, this laser aid can be the solid type printer of 3D (being 3Dimensions) light, and this drawing out type laser aid includes drawing out type laser scan unit.Fig. 2 is that a kind of uncapping provided by the invention taken out laser scan unit and uncap and insert the process of laser scan unit, and laser aid comprises: mainboard 1, laser scan unit 2, uncap 3, the first detecting unit 4, the second detecting unit 5, shell 6 and electrical signal connector 7.Wherein, mainboard 1 comprises: processing unit.The first detecting unit 4 can be for detecting 3 sensors of whether opening of uncapping; The second detecting unit 5 can be the whether sensor in working position of detection laser scanning element 2; Electrical signal connector 7 (can see through mechanism location from being dynamically connected or manual connected mode) is for being connected in mainboard 1 by laser scan unit 2.In Fig. 2, A be laser aid E uncap 3 in closed condition, the diagram of laser scan unit 2 in working position place; B uncaps 3 for opening, and the diagram of laser scan unit 2 in working position place; C is the diagram of taking out laser scan unit 2; D is the diagram of putting into laser scan unit 2; E uncaps 3 for closing, and the diagram of laser scan unit 2 in working position place.Adopt this drawing out type framework, with respect to traditional laser aid, in the time of maintenance and replacing laser scan unit, do not need to dismantle board, only need to open and uncap, can extract easily laser scan unit, also reduce the infringement that dismounting board may cause laser aid.
As shown in Figure 3, disclosed the functional block diagram of the drawing out type laser aid 10 that first embodiment of the invention provides, this laser aid 10 comprises: uncap 11, laser scan unit 12, processing unit 13, the first detecting unit 14 and the second detecting unit 15.
Wherein, uncap 11 alternatives in opening or closed condition.Processing unit 13, couples laser scan unit 12, and is used to laser scan unit 12 that electric energy is provided.The first detecting unit 14, couples processing unit 13, for detecting 11 the state of uncapping; Uncap 11 during in opening when detecting, the first detecting unit 14 sends the first detection signal to this processing unit 13; Uncap 11 during in closed condition when detecting, the first detecting unit 14 sends the second detection signal to processing unit 13.The second detecting unit 15, couples processing unit 13, for whether detecting laser scan unit 12 in working position; In the time detecting laser scan unit 12 in working position, the second detecting unit 15 sends the 3rd detection signal to processing unit 13; In the time detecting laser scan unit 12 not in working position, the second detecting unit 15 sends the 4th detection signal to processing unit 13.
Wherein, in the time that processing unit 13 receives the second detection signal that the 3rd detection signal that the second detecting unit 15 sends and the first detecting unit 14 send, processing unit 13 makes laser scan unit 12 in enabled status.
If when processing unit 13 receives the 4th detection signal that the first detection signal that the first detecting unit 14 transmits or the second detecting unit 15 send, processing unit 13 makes laser scan unit 12 in disabled state.Traditional laser aid after uncapping or laser scan unit not in the time of working position, can not make laser scan unit in disabled state (power-off), if user directly takes out laser scan unit, can cause the risk of hot plug, the embodiment of the present invention, with respect to traditional laser aid, in the time uncapping or laser scan unit because being subject to external force (vibration or collision etc.) not when the working position, processing unit can be switched to disabled state by laser scan unit automatically, avoid the risk of hot plug and system that hot plug causes or the damage of laser scan unit.
When laser scan unit 12 is during in enabled status, processing unit 13 is also for judging whether laser scan unit 12 normally works.
As shown in Figure 4, disclose the functional block diagram of a kind of laser aid that second embodiment of the invention provides, laser aid 10 also comprises: display unit 16, display unit 16 couples processing unit 13, and display unit 16 is for indicating characteristic parameter and point out user's laser scan unit 12 in malfunction.
Processing unit 13 is also in the time that laser scan unit 12 breaks down, and prompting user laser scan unit 12 is in malfunction, and then when making laser scan unit fault, user can be known.Concrete, can point out user's laser scan unit 12 in malfunction by display unit 16.Concrete, on display unit 16, show the information of laser scan unit 12 in malfunction.For example, on display unit 16, show " laser scan unit fault, the laser scan unit that need to more renew ".Certainly, also can utilize other element on laser aid or other element and display unit 16 in conjunction with pointing out user's laser scan unit 12 in malfunction, for example, utilize alarm, pilot lamp, alarm and display unit 16, pilot lamp and display combination etc.
Concrete, the first detecting unit 14, the second detecting unit 15 all can utilize sensitization means or adopt the designed hardware circuit of sensor to detect.In practical application, the first detecting unit 14 and the second detecting unit 15 can be made up of at least one photosensitive sensor respectively.In practical application, this second detecting unit can utilize photoelectric sensor (photo sensor) to detect.
In practical application, in conjunction with Fig. 2, describe.In the time preparing to take out laser scan unit, laser scan unit is when enabled status (shown in the A in Fig. 2), (shown in the B in Fig. 2) uncaps if open, the first detecting unit can send the first detection signal, processing unit receives after the first detection signal, can stop, to laser scan unit power supply, making laser scan unit in disabled state, now, can take out laser scan unit.In the time that laser scan unit is installed, first, as shown in the C in Fig. 2, laser scan unit is in disabled state; Install after laser scan unit, as shown in the D in Fig. 2, laser scan unit is still in disabled state, now, if the second detecting unit sends the 3rd detection signal, illustrate that laser scan unit is in working position, and if the second detecting unit sends the 4th detection signal, illustrate that laser scan unit is not in working position, need to adjust laser scan unit and make laser scan unit in working position; Laser scan unit is in working position and uncap when closed condition (shown in the E in Fig. 2), when processing unit receives the second detection signal and the 3rd detection signal, can, to laser scan unit power supply, make laser scan unit in enabled status.
Laser aid provided by the invention, the first detecting unit can be detected the state of uncapping, and sends detection signal to processing unit; The second detecting unit can scan laser scanning element whether in working position, and send detection signal to processing unit, make processing unit can know laser scan unit and the state of uncapping, determine the conversion of laser scan unit between disabled state and enabled status, and then be convenient to maintenance or the replacing of laser scan unit, the board to laser aid can prevent from changing laser scan unit time and the damage of laser scan unit; And with respect to traditional laser aid, in the time uncapping, processing unit can be switched to disabled state by laser scan unit automatically, avoid the risk of hot plug and system that hot plug causes or the damage of laser scan unit.
Guard method shown in Figure 5, to have disclosed a kind of laser aid that third embodiment of the invention provides, the method is for laser aid, and laser aid comprises: uncap and laser scan unit; The method comprises:
101, whether detect this laser scan unit in working position, and detect this and uncap whether in closed condition.
If this laser scan unit in working position and this uncap in closed condition, execution step 102;
If this is uncapped in opening or this laser scan unit not in working position, execution step 103.
If 102 these laser scan units in working position and this uncap in closed condition, make this laser scan unit in enabled status.
If 103 this uncap in opening or this laser scan unit not in working position, make this laser scan unit in disabled state.
When laser scan unit is in disabled state lower time, laser aid is not for laser scan unit provides electric energy; When laser scan unit is under enabled status, laser aid provides electric energy for laser scan unit.
Guard method shown in Figure 6, to have disclosed a kind of laser aid that fourth embodiment of the invention provides, the method is for laser aid, and laser aid comprises: uncap and laser scan unit; The method comprises:
201, determine the original state of this laser scan unit.
The original state of laser scan unit can be disabled state or enabled status; When laser scan unit is in disabled state lower time, laser aid is not for laser scan unit provides electric energy; When laser scan unit is under enabled status, laser aid provides electric energy for laser scan unit.
If this laser scan unit, in disabled state, performs step 202; If this laser scan unit, in enabled status, performs step 204.
If whether 202 these laser scan units, in this disabled state, detect this laser scan unit in working position, and detect this and uncap whether in closed condition.
If this laser scan unit in working position and this uncap in closed condition, execution step 203.
If 203 these laser scan units in working position and this uncap in closed condition, make this laser scan unit in enabled status.
If whether whether 204 these laser scan units in enabled status, detect this and uncap in opening and this laser scan unit in working position.
This laser scan unit may be offset because of the effect of external force (vibration or collision etc.), and then not in working position.
If this is uncapped in opening or this laser scan unit not in working position, execution step 205.
If 205 this uncap in opening or this laser scan unit not in working position, make this laser scan unit in disabled state.
When this laser scan unit is during in this enabled status, this laser aid can also further judge whether this laser scan unit normally works; If this laser scan unit fault, this laser scan unit of prompting user is in malfunction.
This laser aid also comprises: display unit; The method can also comprise: on this display unit, show the information of this laser scan unit in malfunction, to point out this laser scan unit of user in malfunction.
Compared to above-mentioned the 3rd embodiment, the embodiment of the present invention is uncapped state and laser scan unit whether before working position in detection, first determines the state of laser scan unit.
It should be noted that, whether the present invention does not limit laser aid and detects to uncap and open and the whether sequential in working position of detection laser scanning element, and the difference in functionality that specifically can will realize according to laser aid is set.
As shown in Figure 7, disclosed the specific embodiment of the guard method of a kind of laser aid in practical application, the method comprises:
301, user, for laser aid provides after electric energy, determines that the processing unit of laser aid is normally worked.
302, detect and uncap whether in closed condition.If so, perform step 304; If not, execution step 303.
303, display unit shows " laser scan unit is unripe ".
304, whether detection laser scanning element is in working position.Now, laser scan unit is in disabled state.If so, perform step 305; If not, execution step 303.
305, processing unit, for laser scan unit provides electric energy, makes laser scan unit in enabled status.Execution step 306.
306, whether detection laser scanning element normally works.Be whether Check processing unit is normal with being connected of laser scan unit.If so, perform step 308; If not, execution step 307.
307, display unit shows " laser scan unit fault needs to change ".Meanwhile, laser aid can make laser scan unit in disabled state.
308, whether detection is uncapped and is opened.If so, perform step 309.
309, make laser scan unit in disabled state.
Making laser scan unit after disabled state, changing laser scan unit if the user of laser aid or laser aid are determined, the method can also comprise:
310, determine whether to have changed laser scan unit.If so, perform step 311.If not, execution step 314.
311, whether detection laser scanning element is in running order.If so, perform step 313; If not, execution step 312.
312, display unit shows " laser scan unit is unripe ".
313, detect and uncap whether in closed condition.If so, perform step 305; If not, execution step 314.
314, display unit shows " lid is not built ".
The guard method of laser aid provided by the invention, laser aid can be detected the state of uncapping and whether detect laser scan unit in working position, and according to laser scan unit and the state of uncapping, determine the conversion of laser scan unit between disabled state and enabled status, and then be convenient to maintenance or the replacing of laser scan unit, the board to laser aid can prevent from changing laser scan unit time and the damage of laser scan unit; And with respect to traditional laser aid, in the time uncapping, processing unit can be switched to disabled state by laser scan unit automatically, avoid the risk of hot plug and system that hot plug causes or the damage of laser scan unit.
The present invention is described by above-mentioned related embodiment, but above-described embodiment is only for implementing example of the present invention.Must be pointed out that, the embodiment having disclosed does not limit the scope of the invention.On the contrary, the change done without departing from the spirit and scope of the present invention and retouching, all belong to scope of patent protection of the present invention.
Claims (11)
1. a laser aid, is characterized in that, comprising:
Uncap, alternative in opening or closed condition;
Laser scan unit;
Processing unit, couples this laser scan unit, is used to this laser scan unit that electric energy is provided;
The first detecting unit, couple this processing unit, for detecting the state that this is uncapped, and when detecting this while uncapping as opening, this first detecting unit sends the first detection signal to this processing unit, when detecting this while uncapping as closed condition, this first detecting unit sends the second detection signal to this processing unit; And
The second detecting unit, couple this processing unit, whether be used for detecting this laser scan unit in working position, in the time detecting this laser scan unit in working position, this second detecting unit sends the 3rd detection signal to this processing unit, in the time detecting this laser scan unit not in working position, this second detecting unit sends the 4th detection signal to this processing unit;
Wherein, in the time that this processing unit receives the 3rd detection signal of this second detecting unit transmission and this second detection signal of the first detecting unit transmission, this processing unit makes this laser scan unit in enabled status.
2. laser aid as claimed in claim 1, it is characterized in that, if when this processing unit receives the first detection signal of this first detecting unit transmission or the 4th detection signal of this second detecting unit transmission, this processing unit makes this laser scan unit in disabled state.
3. laser aid as claimed in claim 1, is characterized in that, when this laser scan unit is during in this enabled status, this processing unit, also for judging whether this laser scan unit normally works.
4. laser aid as claimed in claim 1, it is characterized in that, this laser aid also comprises display unit, this display unit couples this processing unit, this display unit is for indicating characteristic parameter and point out this laser scan unit of user in malfunction, and wherein this characteristic parameter is corresponding to this laser scan unit.
5. laser aid as claimed in claim 1, is characterized in that, this first detecting unit, this second detecting unit utilize sensitization means or adopt the designed hardware circuit of sensor to detect.
6. laser aid as claimed in claim 1, is characterized in that, this laser aid adopts this laser scan unit drawing out type structure.
7. laser aid as claimed in claim 1, is characterized in that, this laser aid is 3D light-cured type printer.
8. a guard method for laser aid, for laser aid, this laser aid comprises: uncap and laser scan unit, it is characterized in that, the method comprises:
Determine the original state of this laser scan unit, wherein this original state is disabled state or enabled status;
If whether this laser scan unit in this disabled state, detects this laser scan unit in working position, and detect this and uncap whether in closed condition;
If this laser scan unit in working position and this uncap in closed condition, make this laser scan unit transfer this enabled status to by this disabled state.
9. method as claimed in claim 8, is characterized in that, the method also comprises:
If whether whether this laser scan unit in this enabled status, detect this and uncap in opening and this laser scan unit in working position;
If this is uncapped in opening or this laser scan unit not in working position, make this laser scan unit transfer this disabled state to by this enabled status.
10. method as claimed in claim 8, is characterized in that, the method also comprises:
When this laser scan unit is during in this enabled status, further judge whether this laser scan unit normally works;
If when this laser scan unit is normally worked, obtain and point out user the wavelength that this laser scan unit sends, switch this laser scan unit so that obtain user according to this wavelength;
If this laser scan unit fault, this laser scan unit of prompting user is in malfunction.
11. methods as claimed in claim 10, is characterized in that, this laser aid also comprises: display unit; The method also comprises: this wavelength is shown on this display unit, and on this display unit, shows the information of this laser scan unit in malfunction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410253228.1A CN104090473A (en) | 2014-06-09 | 2014-06-09 | Laser device and protection method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410253228.1A CN104090473A (en) | 2014-06-09 | 2014-06-09 | Laser device and protection method thereof |
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| Publication Number | Publication Date |
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| CN104090473A true CN104090473A (en) | 2014-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410253228.1A Pending CN104090473A (en) | 2014-06-09 | 2014-06-09 | Laser device and protection method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107861358A (en) * | 2017-11-24 | 2018-03-30 | 贵州云侠科技有限公司 | Safe laser printer |
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| CN1374568A (en) * | 2001-03-06 | 2002-10-16 | 佳能株式会社 | Image forming device |
| JP2002356004A (en) * | 2001-05-31 | 2002-12-10 | Canon Inc | Image forming apparatus |
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| CN107861358A (en) * | 2017-11-24 | 2018-03-30 | 贵州云侠科技有限公司 | Safe laser printer |
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Application publication date: 20141008 |