CN2882787Y

CN2882787Y - Paper shredder having photoelectric full papers sensor

Info

Publication number: CN2882787Y
Application number: CN 200520068142
Authority: CN
Inventors: 钟奋强
Original assignee: 钟奋强
Current assignee: Guangzhou COMET Group Co., Ltd.
Priority date: 2005-11-30
Filing date: 2005-11-30
Publication date: 2007-03-28
Anticipated expiration: 2015-11-30

Abstract

The utility model relates to a paper shredder with photoelectric full paper feeding sensing device, which comprises a top cover, a machine core, a bottom shell and a machine stand. A paper shredding pail is positioned inside the machine stand; the bottom shell is positioned on the machine stand; the machine core is positioned on the bottom shell; the top cover is locked with the machine stand and covers the bottom shell and machine core; a paper scrap outlet is positioned in the bottom shell; the full paper feeding sensing device is positioned at the scrap outlet nearby the bottom surface of the bottom shell. Wherein: the full paper feeding device is composed of an alarming circuit, a rotary axle, a baffle and a shutoff element; the rotary axle is positioned at the two sides on the bottom surface of the bottom shell; the baffle and the shutoff element are positioned in the rotary axle; the alarming circuit is composed of a control chip and a transmitting end and a receiving end connected electrically with the control chip; the transmitting end and the receiving end are all positioned on the lateral side of the rotary axle and the two sides of the shutoff element. Infrared transmitting diode is adopted in the transmitting end; receiving triode is adopted in the receiving end. The utility model wears well and has excellent durability. Besides, the newly added alarming function of the utility model can make the paper shredder more intelligent.

Description

Shredder with photo-electric full papers sensor

[technical field]

The utility model relates to a kind of shredder, especially a kind of shredder with photo-electric full papers sensor.

[background technology]

Shredder generally comprises top cover, movement, drain pan and support, the built-in paper shredding barrel of support, drain pan is installed on the support, movement is installed on the drain pan, top cover then with support locking and described drain pan and movement is sheathed in it.Movement is provided with paper shredder, and top cover then is provided with control panel and paper feed port.Paper is entered by the paper feed port of top cover, pulverizes the back by described paper shredder during through movement and forms paper scrap, and paper scrap drops by this crumb mouth and is contained on the paper shredding barrel.

In case paper is full, just can stop up the shredded paper mouth, and the user has no way of learning, therefore, various new solutions are constantly proposed in the industry to overcome this problem.

In the patent documentation of Chinese patent CN98203582.9, disclose a kind of shredder safety and expired paper and detected mechanism, it addresses in summary " the utility model is to detect mechanism about a kind of shredder safety and full paper; its be substantially in shredder exit slot week side one place be pivoted with a safety and expire the paper baffle plate; this baffle plate side is provided with one and touches portion; touch portion's periphery in this and be provided with a proximity switch; in order to closing of control power supply; when shredder moved or admission extinguisher in during the shredded paper spill-over, this expires safely that the paper baffle plate will depart from vertically downward state and toward the side direction beat, the contact point that makes this portion of touching of expiring the paper baffle plate safely touch proximity switch is by this thought powered-down.”

The contact point of disclosed technology by switch triggers and then determines that the mode of the break-make of power supply is not fully up to expectations in the patent documentation of above-mentioned CN98203582.9.In the practical application, the contact point of described switch contacts with the machinery of baffle plate and is easy to cause the switch wearing and tearing, causes influencing its performance; And above-mentioned patent documentation fails to reach intelligentized purpose, when paper is full, can not cause user's attention in the mode of reporting to the police, and therefore, can not satisfy user's application requirements largely.

[utility model content]

Main purpose of the present utility model is to provide a kind of dress paper state that can detect paper shredding barrel automatically, and can intelligentizedly carry out the shredder with photo-electric full papers sensor that the warning reminding user clears up paper scrap.

For achieving the above object, the utility model adopts following technical scheme: the shredder that the utlity model has the photo-electric full papers sensor comprises top cover, movement, drain pan and support, the built-in paper shredding barrel of support, drain pan is installed on the support, movement then is installed on the drain pan, top cover then with support locking and described drain pan and movement is sheathed in it, drain pan is provided with the crumb mouth, place, contiguous crumb mouth, drain pan bottom surface is provided with full papers sensor, it is characterized in that: described full papers sensor comprises warning circuit, pivotal axis, baffle plate and blocking part, described pivotal axis is hubbed at the drain pan two bottom sides, baffle plate all is arranged on the pivotal axis with the blocking part, described warning circuit comprises control chip and the transmitting terminal and the receiving terminal that electrically connect with control chip, described transmitting terminal and receiving terminal all are arranged on the pivotal axis side, divide to occupy blocking part both sides.

Compared with prior art, the utlity model has following advantage: the full papers sensor of photo-electric is not easy to wear, and is comparatively durable, and newly-increased warning function also makes shredder become more intelligent.

Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is further described.

[description of drawings]

Fig. 1 is a package assembly stereogram of the present utility model;

Fig. 2 is the stereogram after the utility model drain pan and the movement assembling, and bottom of shell is towards spectators;

Fig. 3 is the stereogram of the utility model drain pan;

Fig. 4 is the circuit diagram of the utility model warning circuit;

Fig. 5 is the operation principle schematic diagram of the utility model full papers sensor.

[specific embodiment]

See also Fig. 1, the shredder that the utlity model has the photo-electric full papers sensor comprises top cover 11, movement 2, drain pan 3 and support 14, drain pan 3 is installed in the top of support 14, offer crumb mouth 37 (referring to Fig. 3) on it, described movement 2 is installed on the drain pan 3, and top cover 11 then covers with support 14 locking and described drain pan 3 and movement 2 is sheathed in it.Movement 2 is provided with paper shredder 5, and 11 of top covers are provided with paper feed port 12.Paper is entered by the paper feed port 12 of top cover 11, pulverizes the back by described paper shredder 5 when the movement 2 and forms paper scrap, and paper scrap drops by this crumb mouth 37 and is contained on the built-in paper shredding barrel (not shown) of support 14.In addition, 37 bottom sides, described crumb mouth are provided with full papers sensor.

See also Fig. 2 and Fig. 3, described full papers sensor comprises warning circuit 6 (referring to Fig. 4), pivotal axis 7, baffle plate 8 and blocking part 9.At a lengthwise avris of the crumb mouth 37 of drain pan 3, described pivotal axis 7 is hubbed at drain pan 3 two bottom sides, and its two ends are pivoted with planar support bearing (not shown) and drain pan 3, also can be otherwise, and this not all right giving unnecessary details.Described baffle plate 8 and blocking part 9 all with pivotal axis 7 one-body molded being arranged on the pivotal axis 7, also can be decomposed into single-piece and fix with the mode and the pivotal axis 7 of screw lock.

See also Fig. 3, described full papers sensor also comprises a pair of fixture, and each fixture comprises upper and lower

external member

41,42, and following external member 42 screw locks are fixed on drain pan 3 bottom surfaces, and 41 of last external members and following external member 42 screw locks are fixed.

See also Fig. 2, described full papers sensor also comprises dust cap 44, described dust cap 44 is fixed on drain pan 3 bottom surfaces and with described a pair of fixture and blocking part 9 and encapsulates in it, when paper scrap enters paper shredding barrel, might wave, being provided with of described dust cap 44 is beneficial to and stops paper scrap to block the infrared light that light emitting diode sends, thereby avoids the situation of false alarm to take place, in addition, this dust cap 44 also helps and prevents that transmitting terminal 63 and receiving terminal 64 from making moist impaired.

Please consult Fig. 3 and Fig. 4 again, described warning circuit 6 comprises control chip 61 and the transmitting terminal 63, receiving terminal 64 and the indicator lamp 65 that electrically connect with control chip 61, described transmitting terminal 63 is an infrarede emitting diode, 64 of receiving terminals are the reception triode, transmitting terminal 63 all is arranged on pivotal axis 7 sides with receiving terminal 64, divides to occupy blocking part 9 both sides.

The last external member 41 of two fixtures or following external member 42 are provided with the groove 420 of trough (not shown) and subtend, described light emitting diode and reception triode subtend are installed in respectively in the groove 420 of two fixtures, and the lead that is connected to control chip 61 by light emitting diode and reception triode is then laid through described trough (not shown).

Described baffle plate 8 is an approximate foursquare flat board, and the cross section of described blocking part 9 is the U type, and it is configured to ramped shaped near pivotal axis 7 places, and 9 relative baffle plate 8 precursors of blocking part are near transmitting terminal 63 and receiving terminal 64.

Please comprehensively consult Fig. 3, Fig. 4 and Fig. 5, whole warning circuit 6 is controlled by singlechip control chip 61, and during output PA4 output low level, it is low level state and energising work that shredder detects this output.During the shredded paper, singlechip chip output PA3 output low level is opened infrared-emitting diode, detects the signal whether input port that output PA2 promptly receives triode can receive emitting diode then.When paper is full, baffle plate 8 under paper scrap ground promotes outside the crumb mouth 37 of drain pan 3 LRO Lateral Runout, because described blocking part 9, baffle plate 8, be fixed between pivotal axis 7 threes, so baffle plate 8 beats cause pivotal axis 7 and rotate and then drive blocking part 9 beats, when interdicting between part 9 beats to two fixture, the light of blocking infrared-emitting diode, make the reception triode can not receive the infrared ray that infrared diode sends, be in cut-off state, high level appears producing in the port PA2 of control chip 61, when control chip 61 detects it for high level, then control port PA4 output high level, outage quit work when shredder detected PA4 for high level, simultaneously, also in the PB3 output low level, and then make the luminous warning of indicator lamp 65 conductings.

Described indicator lamp 65 also can change buzzer into, perhaps with buzzer and usefulness, to reach stronger warning reminding effect.

This shows that the utility model warning sensitivity is better, more become intelligent, and durable in use.

Claims

1, a kind of shredder with photo-electric full papers sensor, comprise top cover, movement, drain pan and support, the built-in paper shredding barrel of support, drain pan is installed on the support, movement then is installed on the drain pan, top cover then with support locking and described drain pan and movement is sheathed in it, drain pan is provided with the crumb mouth, place, contiguous crumb mouth, drain pan bottom surface is provided with full papers sensor, it is characterized in that: described full papers sensor comprises warning circuit, pivotal axis, baffle plate and blocking part, described pivotal axis is hubbed at the drain pan two bottom sides, baffle plate all is arranged on the pivotal axis with the blocking part, described warning circuit comprises control chip and the transmitting terminal and the receiving terminal that electrically connect with control chip, and described transmitting terminal and receiving terminal all are arranged on the pivotal axis side, divides to occupy blocking part both sides.

2, the shredder with photo-electric full papers sensor according to claim 1 is characterized in that: described baffle plate, blocking part and pivotal axis are one-body molded.

3, the shredder with photo-electric full papers sensor according to claim 2, it is characterized in that: the cross section of described blocking part is the U type, and it is configured to ramped shaped near the pivotal axis place.

4, the shredder with photo-electric full papers sensor according to claim 3 is characterized in that: the relative baffle plate precursor of described blocking part is near receiving terminal and transmitting terminal.

5, the shredder with photo-electric full papers sensor according to claim 4 is characterized in that: described transmitting terminal is a light emitting diode, and receiving terminal is for receiving triode.

6, according to the shredder described in any one of the claim 1 to 5 with photo-electric full papers sensor, it is characterized in that: described full papers sensor also comprises a pair of fixture, each fixture comprises external member up and down, and following external member is fixed on the drain pan bottom surface, and last external member is then fixed with following external member; The last external member of two fixtures or following external member are provided with the groove of subtend, and described transmitting terminal and receiving terminal are installed in respectively in the groove of two fixtures.

7, the shredder with photo-electric full papers sensor according to claim 6, it is characterized in that: described full papers sensor also comprises dust cap, described dust cap is fixed on the drain pan bottom surface and with described a pair of fixture and blocking part and encapsulates in it.

8, the shredder with photo-electric full papers sensor according to claim 7, it is characterized in that: described warning circuit is electrically connected with indicator lamp and/or buzzer.