CN201229383Y - Electroconductivity test device for carbon powder box - Google Patents
Electroconductivity test device for carbon powder box Download PDFInfo
- Publication number
- CN201229383Y CN201229383Y CNU2008200483717U CN200820048371U CN201229383Y CN 201229383 Y CN201229383 Y CN 201229383Y CN U2008200483717 U CNU2008200483717 U CN U2008200483717U CN 200820048371 U CN200820048371 U CN 200820048371U CN 201229383 Y CN201229383 Y CN 201229383Y
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- China
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- contact
- cartridge
- containing cavity
- proving installation
- control module
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Abstract
The utility model discloses a testing device of carbon powder box electrical conductivity, which comprises a shell, wherein a single chip microcomputer control module, a containing cavity of a tested carbon powder box which is formed by the shell and a plurality of contacts which are used to contact an electrode or a conductive piece on the tested carbon powder box and can be movably arranged on the side surface of the containing cavity are arranged in the shell, and a plurality of contacts are respectively and electrically connected with the single chip microcomputer control module. The testing device has simple and convenient operation, high working efficiency, the single chip microcomputer control module in the testing device can automatically detect the conductive conditions and insulating conditions of the carbon power box only through arranging the tested carbon powder box into the testing device, an acousto-optic alarming mode is adopted to promote whether the box is qualified or not, and trouble points can be automatically analyzed. The operation is convenient, the testing result is accurate, and the testing device is not affected by human factors.
Description
Technical field
The utility model relates to a kind of proving installation, the cartridge electric conductivity proving installation that specifically a kind of electric conductivity that is used for cartridge detects.
Background technology
The cartridge that is used for laser printer generally is divided into two kinds in integral box and split box.Integral box is combined by developing cell and processing unit, and developing cell comprises powder storehouse, puddle support, powder feeding roller, developer roll and powder delivery cutter etc., and processing unit comprises waste powder hopper, photosensitive drums, charging roller and cleaning blade etc.; And the split box refers to is exactly above-mentioned developing cell part.
Integral box need be connected the mutual insulation situation of situation and each service part to service parts such as its photosensitive drums, developer roll, powder feeding roller and charging rollers and test before dispatching from the factory with the conducting of corresponding conducting strip; The split box need be tested with the insulation situation that the conducting of corresponding conducting strip connects between situation and developer roll and powder feeding roller developer roll, powder feeding roller, equally to determine whether product is qualified before dispatching from the factory.At present, usually adopt universal electric meter by manually measuring and reach a conclusion in the industry, and do not have special-purpose testing tool.This manual testing's mode inefficiency, measurement result is subject to man's activity, very easily produces artificial test error, causes the erroneous judgement to properties of product.
Summary of the invention
The purpose of this utility model provides the cartridge electric conductivity proving installation of a kind of simple to operation, high efficiency, good test effect.
For achieving the above object, the utility model has adopted following technical scheme: design a kind of cartridge electric conductivity proving installation, comprise a housing, be provided with single chip control module in this housing; By the formed tested cartridge containing cavity of described housing; Be used to contact electrode on the tested cartridge or conducting strip several contacts, be arranged on described containing cavity side movably; Described several contacts form with described single chip control module respectively and are electrically connected.
In order to make tested cartridge can obtain good location, guarantee the reliability that contacts between the electrode of each contact and cartridge or the conducting strip, first side of containing cavity also is provided with first limited block that is used for fixing tested cartridge, and second side relative with described first side is provided with second limited block that is used for fixing tested cartridge.
Further scheme is, described contact has four, and wherein first contact is driven by one first cylinder, and second contact is driven by one second cylinder, and the 3rd contact and the 4th contact flexibly are installed on described first limited block; Described first limited block is driven by one the 3rd cylinder, and described second limited block is driven by a four-cylinder.
Further scheme is, described first contact is positioned at the front portion of described containing cavity first side; Described second contact is positioned at the front portion of described containing cavity second side, and staggers mutually on the fore-and-aft direction of described containing cavity with first contact.
In addition, this proving installation can also comprise led display unit and the sound prompting device that is electrically connected with described single chip control module formation.
Compared with prior art, cartridge electric conductivity proving installation of the present utility model is simple to operation, high efficiency, as long as tested cartridge is put into proving installation, single chip control module in the proving installation just can detect the conduction situation and the insulation situation of cartridge automatically, adopt the sound and light alarm mode, prompting acceptance or rejection, and analysis of failure point automatically.Easy to operate, testing result is accurate, is not subjected to any artificial factor.The utility model can by changing the quantity and the position of contact, design and manufacture corresponding special test equipment corresponding to the cartridge of various different structure characteristics, makes more convenient operation, and it is more accurate to measure, and range of application is wider.
Description of drawings
Fig. 1 is the vertical view of a kind of better embodiment of the utility model cartridge electric conductivity proving installation;
Fig. 2 is the front view of cartridge electric conductivity proving installation shown in Figure 1;
Fig. 3 is the principle of work synoptic diagram of single chip control module.
Below in conjunction with accompanying drawing better embodiment of the present utility model is further specified.
Embodiment
Referring to Fig. 1 and Fig. 2, a kind of better embodiment of the utility model cartridge electric conductivity proving installation comprises a housing 1, this housing 1 inside is provided with single chip control module 2, the end face of housing 1 is provided with power switch 3, led display unit 4, test button 5 and the stop button 6 etc. that are connected to single chip control module 2, in addition, also be provided with the auditory tone cues device in the housing 1.
Be formed with a containing cavity 7 that is used to hold tested cartridge on the housing 1, this containing cavity 7 is surrounded by header board 8, base plate 9, left plate 10 and right plate 11, left plate 10 is being fixed with a left supporting seat 23 near on the side of containing cavity 7, right plate 11 is being fixed with a right supporting seat 24 near on the side of containing cavity 7, and left supporting seat 23 is positioned on the same surface level with the supporting surface of right supporting seat 24.
Second cylinder 14 is fixed on the front portion of right plate 11, and the piston rod head of second cylinder 14 is fixed with one second contact, 15, the second contacts 15 under the driving of second cylinder 14, can pass and stretch out the side of right plate 11 near containing cavity 7.First contact 13 and second contact 15 stagger on the fore-and-aft direction of containing cavity 7 mutually, first contact, 13 to the second contacts, 15 more close header boards 8.
The 3rd cylinder 16 is fixed on the postmedian of left plate 10, the piston rod head of the 3rd cylinder 16 is fixed with a left limit piece 17, one the 3rd contact 18 and one the 4th contact 19 are mounted on the left limit piece 17 by compression spring 20 respectively, and the 3rd contact 18 is adjacent on the fore-and-aft direction of containing cavity 7 with the 4th contact 19.Left limit piece 17, the 3rd contact 18 and the 4th contact 19 are driven by the 3rd cylinder 16 simultaneously, can be implemented in moving on containing cavity 7 left and right directions.
Four-cylinder 21 is fixed on the middle part of right plate 11, and the piston rod head of four-cylinder 21 is fixed with a right limit piece 22.Right limit piece 22 can be implemented in moving on containing cavity 7 left and right directions under the driving of four-cylinder 21.
Above-mentioned first contact 13, second contact 15, the 3rd contact 18 and the 4th contact 19 form with single chip control module 2 respectively and are electrically connected.Above-mentioned four contacts all are higher than the supporting surface of left supporting seat 23 and right supporting seat 24 on the short transverse of containing cavity 7.
The cartridge that available above-mentioned proving installation carries out the electric conductivity test comprises powder storehouse, developer roll and powder feeding roller etc., and it is a kind of split box.Wherein, the axle head electrode that contacts with development roll shaft core is arranged on the front portion of cartridge left side wall, the axle head electrode that contacts with powder feeding roll shaft core is arranged on the front portion of cartridge right side wall, on the postmedian of cartridge left side wall, also be adjacent to be provided with a developer roll conducting strip and a powder feeding roller conducting strip in addition, the developer roll conducting strip is electrically connected with development roll shaft core by the conductive connecting piece of cartridge inside, and the powder feeding roller conducting strip is electrically connected with powder feeding roll shaft core by the conductive connecting piece of cartridge inside.
When above-mentioned cartridge was placed in the containing cavity 7 of proving installation, the left and right sides of cartridge framework was supported on respectively on left supporting seat 23 and the right supporting seat 24.Then, turn on the power switch 3, press test button 5, single chip control module 2 is started working.At first, make first cylinder 12 that first contact 13 is released and contacted with the developer roll tip electrodes of cartridge by above-mentioned first cylinder 12 of control, second cylinder 14, the 3rd cylinder 16 and four-cylinder 21 actions; Second cylinder 14 is released second contact 15 and contact with the powder feeding roller tip electrodes of cartridge; The 3rd cylinder 16 is released left limit piece 17 and withstand on the left side wall of cartridge framework, simultaneously, the 3rd contact 18 and the 4th contact 19 also together are pushed out with left limit piece 17, the 3rd contact 18 forms Elastic Contact with the developer roll conducting strip of cartridge, and the 4th contact 19 forms Elastic Contact with the powder feeding roller conducting strip of cartridge; Four-cylinder 21 is released right limit piece 22 and withstand on the right side wall of cartridge framework.Left limit piece 17 and right limit piece 22 make cartridge obtain good location, thereby guarantee the reliability that contacts between each contact and electrode or the conducting strip.
Referring to Fig. 3, single chip control module 2 mainly comprises processing unit 25, control module 26 and discriminating unit 27, by detecting the resistance between first contact 13 and second contact 15, can identify the development roll shaft core of cartridge and the insulation situation between the powder feeding roll shaft core automatically; By detecting the resistance between first contact 13 and the 3rd contact 18, can identify the conducting situation of the development roll shaft core and the developer roll conducting strip of cartridge automatically; By detecting the resistance between second contact 15 and the 4th contact 19, can identify the conducting situation of the powder feeding roll shaft core and the powder feeding roller conducting strip of cartridge automatically.Control module 26 and led display unit 4 and auditory tone cues device 28 control linkages.Led display unit 4 includes three alarm lamps of being made by light emitting diode, corresponds respectively to the insulate situation of these three kinds of circuit-under-tests of developer roll conducting, powder feeding roller conducting and developer roll and powder feeding roller.When circuit-under-test was qualified, it is green that corresponding alarm lamp is; When defective, corresponding alarm lamp is the redness of flicker, and sends chimes of doom by auditory tone cues device 28, makes the tester can find the trouble spot soon, in time repairs.
Above-described only is preferred implementation of the present utility model, under the prerequisite that does not break away from the present utility model design, also can be corresponding to the integral box or the split box of various different structure characteristics, by changing the quantity and the position of contact and limited block, design and manufacture corresponding special test equipment, make more convenient operation, it is more accurate to measure.Of this sort embodiment all belongs to protection domain of the present utility model.
Claims (6)
1, cartridge electric conductivity proving installation comprises
One housing is provided with single chip control module in this housing;
It is characterized in that, also comprise:
By the formed tested cartridge containing cavity of described housing;
Be used to contact electrode on the tested cartridge or conducting strip several contacts, be arranged on described containing cavity side movably;
Described several contacts form with described single chip control module respectively and are electrically connected.
2, according to the described cartridge electric conductivity of claim 1 proving installation, it is characterized in that:
First side of described containing cavity is provided with first limited block that is used for fixing tested cartridge, and second side relative with described first side is provided with second limited block that is used for fixing tested cartridge.
3, according to the described cartridge electric conductivity of claim 2 proving installation, it is characterized in that:
Described contact has four, wherein
First contact is driven by one first cylinder;
Second contact is driven by one second cylinder;
The 3rd contact and the 4th contact flexibly are installed on described first limited block;
Described first limited block is driven by one the 3rd cylinder, and described second limited block is driven by a four-cylinder.
4, according to the described cartridge electric conductivity of claim 3 proving installation, it is characterized in that:
Described first contact is positioned at the front portion of described containing cavity first side;
Described second contact is positioned at the front portion of described containing cavity second side, and staggers mutually on the fore-and-aft direction of described containing cavity with first contact.
5, according to the described cartridge electric conductivity of claim 4 proving installation, it is characterized in that:
The side of described containing cavity also is provided with the supporting seat that is used to support tested cartridge;
The supporting surface of described supporting seat is lower than any one in described four contacts on the short transverse of described containing cavity.
6, according to each described cartridge electric conductivity proving installation of claim 1 to 5, it is characterized in that:
This proving installation also comprises led display unit and the sound prompting device that is electrically connected with described single chip control module formation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200483717U CN201229383Y (en) | 2008-05-23 | 2008-05-23 | Electroconductivity test device for carbon powder box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200483717U CN201229383Y (en) | 2008-05-23 | 2008-05-23 | Electroconductivity test device for carbon powder box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201229383Y true CN201229383Y (en) | 2009-04-29 |
Family
ID=40634327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200483717U Expired - Fee Related CN201229383Y (en) | 2008-05-23 | 2008-05-23 | Electroconductivity test device for carbon powder box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201229383Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107870640A (en) * | 2016-09-26 | 2018-04-03 | 大连旭计器有限公司 | Cryogenic temperature controller temperature limit detection means and detection method |
-
2008
- 2008-05-23 CN CNU2008200483717U patent/CN201229383Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107870640A (en) * | 2016-09-26 | 2018-04-03 | 大连旭计器有限公司 | Cryogenic temperature controller temperature limit detection means and detection method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090429 Termination date: 20170523 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |