CN103091090A - Keycap drawing force testing device with cleaning mechanism - Google Patents
Keycap drawing force testing device with cleaning mechanism Download PDFInfo
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- CN103091090A CN103091090A CN2013100079108A CN201310007910A CN103091090A CN 103091090 A CN103091090 A CN 103091090A CN 2013100079108 A CN2013100079108 A CN 2013100079108A CN 201310007910 A CN201310007910 A CN 201310007910A CN 103091090 A CN103091090 A CN 103091090A
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Abstract
The invention discloses a keycap drawing force testing device with a cleaning mechanism. The keycap drawing force testing device with the cleaning mechanism comprises a vacuum pumping room, a vacuum on-off valve, a current divider, a plurality of sucker gas circuits, a blowing cleaning mechanism and a blowing on-off valve. The sucker gas circuits comprise a check valve and a sucker. The vacuum pumping room is connected with the sucker gas circuits through the vacuum on-off valve and the current divider in sequence. A blowing opening of the blowing cleaning mechanism is communicated with a gas circuit between the current divider and the vacuum on-off valve through the blowing on-off valve. According to the keycap drawing force testing device with the cleaning mechanism, cleaning the sucker gas circuits is convenient. A vacuum pump is provided with protection by the addition of a pressure discharging tee joint valve. An influence on working of other gas circuits by air leakage of a few sucker gas circuits can be avoided through design of a sealed container. Improvement of a sucker structure can be increased. Buckling condition of the keycap can be truly reflected at the same time by a sucked area of the keycap.
Description
Technical field
The present invention relates to the keycap drawing force testing device of slight keyboard, relate in particular to a kind of keycap drawing force testing device with cleaning agency.
Background technology
Slight keyboard comprises key plate and keycap, is provided with circuit structure and button on the key plate, and the keycap buckle structure by four jiaos usually is fastened on the key plate and is positioned at corresponding button top; Therefore due to the structural limitations of slight keyboard, buckle structure is comparatively small, buckle easily occurs bad,, buckle dynamics deficiency upper such as engaging not etc., and reaction is that keycap does not flush on the one-piece construction of keyboard, keycap from dropping, button are not smooth etc.Even avoid the buckle of keycap bad in order to reduce, need to be after keycap be arranged on the key plate, keycap is carried out the pulling capacity test, namely use a certain size the power perpendicular to the key plate to be pulled outwardly keycap, the buckle structure card that keycap is four jiaos still buckle represents that well the keycap buckle is good.
Now keycap is carried out the pulling capacity test and mainly contain dual mode: the one, pull singly keycap by artificial use finger keycap is carried out the pulling capacity test, owing to being manual detection, and the keycap quantity on keyboard is more, therefore undetected situation easily occurs, manually be difficult to also guarantee that the power that each keycap is applied is constant in addition; The 2nd, adopt drawing force testing device to coordinate sucker adsorption bond cap surface to apply certain pulling force to keycap by vacuum pump and carry out the pulling capacity test, this detection mode uses electrified control can avoid undetected situation, and the power that in addition keycap is applied also can keep very fixed.
Present drawing force testing device generally only comprises vacuum pump, shunt, sucker gas circuit and auxiliary support mechanism, wherein the sucker gas circuit comprises reverse checkvalve and sucker, the vacuum chamber end of vacuum pump directly is connected with shunt, then by reverse checkvalve, sucker is bled, and there are the following problems for this device:
(1) because the sucker gas circuit is carried out air-breathing work always, can easily airborne other impurity be drawn in the sucker gas circuit in air-breathing process, be difficult to cleaning;
(2) the vacuum chamber space of vacuum pump is less, and the sucker gas circuit of telling by shunt is more, in case wherein a gas circuit leaks air, impact is all very serious on the pressure in vacuum chamber for it, affects the normal operation of other gas circuits;
(3) there is negative pressure state in vacuum pump before startup, when starting vacuum pump work, lets out negative pressure mechanism owing to not existing, and can to the vacuum pump injury, affect the serviceable life of vacuum pump;
(4) sucker is circular magnetic chuck, and keycap is square, so the surface that keycap is adsorbed is just very limited; And the test force of keycap is puted forth effort the circular annular region that scope is adsorbed by circular magnetic chuck in key cap surface, and the buckle point of keycap is at Qi Sijiao, so the test of keycap is just true not;
(5) the power size that provides of all suckers is identical, because keycap varies, can not distinguish for power.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the invention provides a kind of keycap drawing force testing device with cleaning agency, can conveniently the sucker gas circuit be cleaned.
Technical scheme: for solving the problems of the technologies described above, the technical solution used in the present invention is:
With the keycap drawing force testing device of cleaning agency, comprise evacuated chamber, vacuum on-off valve, shunt, some sucker gas circuits, air blowing cleaning agency and air blowing on-off valve, described sucker gas circuit comprises reverse checkvalve and sucker; Described evacuated chamber is successively by connecing the sucker gas circuit after vacuum on-off valve, shunt; The inflatable mouth of described air blowing cleaning agency is communicated with gas circuit between shunt and vacuum on-off valve by the air blowing on-off valve.
Said apparatus is when normal operation; close the air blowing on-off valve, open the vacuum on-off valve and get final product; when needs clean the sucker gas circuit; close the vacuum on-off valve, open the air blowing on-off valve and get final product, start the air blowing cleaning agency, the cleaning agency of blowing like this will be blown to the sucker gas circuit; the dust that the sucker gas circuit is sucked when working blows out; realize the purpose of cleaning, the design of vacuum on-off valve is simultaneously also protected the vacuum in evacuated chamber, avoids the vacuum waste.
Described evacuated chamber can be directly the vacuum chamber of vacuum pump self-forming, also can be the leakproofness container of setting up separately, this case is preferably the leakproofness container, described leakproofness container is divided into two cavity volumes of size, and two cavity volumes of size are respectively by connecing corresponding sucker gas circuit after corresponding vacuum on-off valve, shunt; Be connected with separately corresponding air blowing cleaning agency and air blowing on-off valve on gas circuit between two shunts and vacuum on-off valve.This is that keycap due to slight keyboard varies, therefore when test, the power size that applies is also different, and the setting by two cavity volumes of size can provide two kinds of different test force by the setting to the vacuum tightness in two cavity volumes of size, satisfies different keycap testing requirements; In addition, it is enough large that the volume of two cavity volumes of size is wanted, even there is so a small amount of sucker blowby gas path also can not affect the normal operation of other sucker gas circuits.
A kind of more preferred structure based on said structure is, also comprise vacuum pump, pressure-relief three-way valve, large cavity volume transfer valve and little cavity volume transfer valve, described vacuum pump connects the A end of pressure-relief three-way valve, the R termination atmosphere of pressure-relief three-way valve, the P end of pressure-relief three-way valve is communicated with, is communicated with the vacuum orifice of little cavity volume by little cavity volume transfer valve with the vacuum orifice of large cavity volume by large cavity volume transfer valve.Set up pressure-relief three-way valve between vacuum pump and leakproofness container, when starting vacuum pump work, the P end of at first closed pressure-relief three-way valve, after the negative pressure in the R end venting vacuum pump of pressure-relief three-way valve, the R of closed pressure-relief three-way valve end is opened the P end of pressure-relief three-way valve again, the leakproofness container is vacuumized, vacuum pump has been played protection; Can bulk container or small container be vacuumized selectivity by large cavity volume transfer valve and little cavity volume transfer valve, realize the dirigibility of controlling, adjusting.
Preferably, described large cavity volume transfer valve and little cavity volume transfer valve are controlled vacuum pump large cavity volume or the little cavity volume that does not satisfy vacuum tightness and require are vacuumized, and when large cavity volume and little cavity volume do not satisfy vacuum tightness simultaneously and require, control vacuum pump and at first bulk container are vacuumized.
Preferably, also comprise two vacuum pressure switchs, the induction end of two vacuum pressure switchs is separately positioned in two cavity volumes of size, and the control end of two vacuum pressure switchs is connected on the keying loop of vacuum pump.When the vacuum tightness of big or small cavity volume meets the demands, vacuum pressure switch is controlled the vacuum air pump inoperative, when big or small cavity volume one of them or two vacuum tightness occurs and do not meet the demands, corresponding vacuum pressure switch is controlled vacuum pump work and is vacuumized to corresponding cavity volume, avoid vacuum pump to work all the time, reduce the vacuum pump loss.
Preferably, described air blowing cleaning agency is air compressor, can certainly be other blowning installations.
Preferably, described vacuum pump is two, and two vacuum pumps connect respectively the vacuum orifice of leakproofness container by a pressure-relief three-way valve, improves the efficient that vacuumizes.
Preferably, described sucker comprises integrated fixed part and absorbed portion, described absorbed portion is umbilicate rectangular disk structure, is provided with the aspirating hole at the intermediate recess place that is communicated with absorbed portion on described fixed part, and described aspirating hole is communicated with reverse checkvalve by gas circuit.
The sucker of said structure, using method is identical with general sucker, at first sucker is covered on the surface of keycap, then extract the air at absorbed portion intermediate recess place by aspirating hole, like this due to the effect of atmospheric pressure, make absorbed portion and keycap adhesive, the drawing sucker just is equivalent to the drawing keycap, so just can carry out keycap and carry out the pulling capacity test.Different from existing circular magnetic chuck is, when the sucker of this case is adsorbed on keycap, the surface that keycap is adsorbed is approximately a straight-flanked ring, on the one hand, because the surface of keycap is also rectangle, therefore just can realize increasing by length and the width of design sucker absorbed portion the purpose that keycap is adsorbed the surface, on the other hand, it is regional at the straight-flanked ring that key cap surface is adsorbed that the test force of keycap is puted forth effort scope, and therefore the buckle point of keycap can carry out the pulling capacity test to keycap more realistically at Qi Sijiao.
Preferably, round-corner transition is adopted in bight, four, the edge of described absorbed portion, can more be conducive to like this rapid sealing that adsorbs.
Described absorbed portion can be the square dish structure of adaptive square keycap, the surface that is adsorbed to increase to greatest extent keycap, and the keycap that the letter key of general keyboard, numerical key use is square keycap, we claim that such sucker is the square structure sucker; Described absorbed portion can be the rectangle dish structure of adaptive rectangle keycap, the surface that is adsorbed to increase to greatest extent keycap, and the keycap that the function key of general keyboard is used is the rectangle keycap, we claim that such sucker is the rectangle structure sucker.
Preferably, the meat at inside 1mm of the one week place, edge of described absorbed portion is thick is 0.2 ~ 0.3mm, experimental results show that this leakproofness to absorption is more favourable.
Preferably, described aspirating hole is the trapezium structure of back-off, to facilitate the installation of gas circuit.
Beneficial effect: the keycap drawing force testing device with cleaning agency provided by the invention, can conveniently clean the sucker gas circuit; Setting up of pressure-relief three-way valve provides protection to vacuum pump; the design of leakproofness container can avoid the gas leakage of a small amount of sucker gas circuit to the work influence of other gas circuits, and the improvement of sucker structure can increase keycap can be reflected the buckle situation of keycap simultaneously more truly by the area of adhesive.
Description of drawings
Fig. 1 is a kind of basic structure schematic diagram of the present invention;
Fig. 2 is the structural representation of a kind of application example of the present invention;
Fig. 3 is the perspective view of square structure sucker;
Fig. 4 is the perspective view of rectangle structure sucker.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further described.
Be illustrated in figure 1 as a kind of keycap drawing force testing device of slight keyboard, comprise evacuated chamber, vacuum on-off valve, shunt, some sucker gas circuits, air blowing cleaning agency and air blowing on-off valve, described sucker gas circuit comprises reverse checkvalve and sucker; Described evacuated chamber is successively by connecing the sucker gas circuit after vacuum on-off valve, shunt; The inflatable mouth of described air blowing cleaning agency is communicated with gas circuit between shunt and vacuum on-off valve by the air blowing on-off valve.Described air blowing cleaning agency is for being preferably air compressor.
Be illustrated in figure 2 as a kind of concrete application example of this case, comprise vacuum pump, pressure-relief three-way valve, leakproofness container, vacuum on-off valve, shunt, some sucker gas circuits, vacuum pressure switch, air blowing cleaning agency and air blowing on-off valve, described sucker gas circuit comprises reverse checkvalve and sucker; Wherein the leakproofness container is divided into two cavity volumes of size.the connection of all parts as shown in the figure, the leakproofness container is divided into two containers of size, the induction end of two vacuum pressure switchs is separately positioned in two cavity volumes of size, the control end of two vacuum pressure switchs is connected on the keying loop of vacuum pump, described vacuum pump is two, described pressure-relief three-way valve is two, two vacuum pumps connect respectively the A end of two pressure-relief three-way valves, the R termination atmosphere of two pressure-relief three-way valves, the P end of two pressure-relief three-way valves converges the A end of the large cavity volume transfer valve of rear access, the vacuum orifice of the large cavity volume of P termination of large cavity volume transfer valve, the A end of the little cavity volume transfer valve of R termination of large cavity volume transfer valve, the vacuum orifice of the little cavity volume of P termination of little cavity volume transfer valve, the R end of little cavity volume transfer valve uses plug to block, parts select model as follows:
Vacuum pump: JP-20H type vacuum pump
Pressure-relief three-way valve: VT317V-5C-02 type S MC three-way solenoid valve
Large cavity volume transfer valve: VT325 type three-way solenoid valve
Little cavity volume transfer valve: VT317 type three-way solenoid valve
Vacuum pressure switch: the digital pressure switch of PZSE30-01-25-M type SMC vacuum
Vacuum on-off valve: 2W-200-20-AC-5 type Jia Erling solenoid valve
Air blowing on-off valve: VT307-5G type three-way solenoid valve
Wherein large cavity volume transfer valve and little cavity volume transfer valve are controlled vacuum pump large cavity volume or the little cavity volume that does not satisfy vacuum tightness and require are vacuumized, and when large cavity volume and little cavity volume do not satisfy vacuum tightness simultaneously and require, control vacuum pump and at first bulk container are vacuumized; On the induction end of described vacuum pressure switch is arranged in the leakproofness container, control end is connected to vacuum pump keying loop.
Described sucker comprises integrated fixed part 1 and absorbed portion 2 as shown in Figure 3, Figure 4, described absorbed portion 2 is umbilicate rectangular disk structure, be provided with the aspirating hole 3 at the intermediate recess place that is communicated with absorbed portion 2 on described fixed part 1, described aspirating hole 3 is the trapezium structure of back-off, and aspirating hole is communicated with reverse checkvalve by gas circuit; Round-corner transition is adopted in four bights, the edge of described absorbed portion 2, and inwardly the meat at 1mm place is thick one week of edge of absorbed portion 2 is 0.2 ~ 0.3mm; For guaranteeing absorption evenly, preferably design this sucker structure and be symmetrical and symmetrical structure before and after arbitrary xsect is even.
The above is only the preferred embodiment of the present invention; be noted that for those skilled in the art; under the prerequisite that does not break away from the principle of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (8)
1. with the keycap drawing force testing device of cleaning agency, it is characterized in that: comprise evacuated chamber, vacuum on-off valve, shunt, some sucker gas circuits, air blowing cleaning agency and air blowing on-off valve, described sucker gas circuit comprises reverse checkvalve and sucker; Described evacuated chamber is successively by connecing the sucker gas circuit after vacuum on-off valve, shunt; The inflatable mouth of described air blowing cleaning agency is communicated with gas circuit between shunt and vacuum on-off valve by the air blowing on-off valve.
2. the keycap drawing force testing device with cleaning agency according to claim 1, it is characterized in that: described evacuated chamber is the leakproofness container, described leakproofness container is divided into two cavity volumes of size, and two cavity volumes of size are respectively by connecing corresponding sucker gas circuit after corresponding vacuum on-off valve, shunt; Be connected with separately corresponding air blowing cleaning agency and air blowing on-off valve on gas circuit between two shunts and vacuum on-off valve.
3. the keycap drawing force testing device with cleaning agency according to claim 2, it is characterized in that: also comprise vacuum pump, pressure-relief three-way valve, large cavity volume transfer valve and little cavity volume transfer valve, described vacuum pump connects the A end of pressure-relief three-way valve, the R termination atmosphere of pressure-relief three-way valve, the P end of pressure-relief three-way valve is communicated with, is communicated with the vacuum orifice of little cavity volume by little cavity volume transfer valve with the vacuum orifice of large cavity volume by large cavity volume transfer valve.
4. the keycap drawing force testing device with cleaning agency according to claim 3, it is characterized in that: described large cavity volume transfer valve and little cavity volume transfer valve are controlled vacuum pump large cavity volume or the little cavity volume that does not satisfy the vacuum tightness requirement are vacuumized, when large cavity volume and little cavity volume do not satisfy vacuum tightness simultaneously and require, control vacuum pump and at first bulk container is vacuumized.
5. the keycap drawing force testing device with cleaning agency according to claim 3, it is characterized in that: also comprise two vacuum pressure switchs, the induction end of two vacuum pressure switchs is separately positioned in two cavity volumes of size, and the control end of two vacuum pressure switchs is connected on the keying loop of vacuum pump.
6. the keycap drawing force testing device with cleaning agency according to claim 1, it is characterized in that: described air blowing cleaning agency is air compressor.
7. the keycap drawing force testing device with cleaning agency according to claim 1, it is characterized in that: described sucker comprises integrated fixed part (1) and absorbed portion (2), described absorbed portion (2) is umbilicate rectangular disk structure, be provided with the aspirating hole (3) at the intermediate recess place that is communicated with absorbed portion (2) on described fixed part (1), described aspirating hole (3) is communicated with reverse checkvalve by gas circuit.
8. the keycap drawing force testing device with cleaning agency according to claim 7, is characterized in that: four, the edge of described absorbed portion (2) bight employing round-corner transition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310007910.8A CN103091090B (en) | 2013-01-09 | 2013-01-09 | Keycap drawing force testing device with cleaning mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310007910.8A CN103091090B (en) | 2013-01-09 | 2013-01-09 | Keycap drawing force testing device with cleaning mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103091090A true CN103091090A (en) | 2013-05-08 |
| CN103091090B CN103091090B (en) | 2015-03-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310007910.8A Expired - Fee Related CN103091090B (en) | 2013-01-09 | 2013-01-09 | Keycap drawing force testing device with cleaning mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111465457A (en) * | 2017-08-31 | 2020-07-28 | 株式会社下濑微生物研究所 | Method and apparatus for treating organic matter containing harmful microorganisms |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08257511A (en) * | 1995-03-23 | 1996-10-08 | Sharp Corp | Spin-type cleaning device |
| JP2002186925A (en) * | 2000-12-21 | 2002-07-02 | Toshio Awaji | Method and device for cleaning path for exhaust gas |
| CN201917515U (en) * | 2010-12-24 | 2011-08-03 | 群光电子(苏州)有限公司 | Device for detecting drawing force of keyboard and keycaps assembling |
| CN102728579A (en) * | 2011-04-02 | 2012-10-17 | 刘显余 | Novel blowing device |
| CN203069365U (en) * | 2013-01-09 | 2013-07-17 | 昆山鸿志犀自动化机电设备有限公司 | Key-cap drawing-force test apparatus with cleaning mechanism |
-
2013
- 2013-01-09 CN CN201310007910.8A patent/CN103091090B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08257511A (en) * | 1995-03-23 | 1996-10-08 | Sharp Corp | Spin-type cleaning device |
| JP2002186925A (en) * | 2000-12-21 | 2002-07-02 | Toshio Awaji | Method and device for cleaning path for exhaust gas |
| CN201917515U (en) * | 2010-12-24 | 2011-08-03 | 群光电子(苏州)有限公司 | Device for detecting drawing force of keyboard and keycaps assembling |
| CN102728579A (en) * | 2011-04-02 | 2012-10-17 | 刘显余 | Novel blowing device |
| CN203069365U (en) * | 2013-01-09 | 2013-07-17 | 昆山鸿志犀自动化机电设备有限公司 | Key-cap drawing-force test apparatus with cleaning mechanism |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111465457A (en) * | 2017-08-31 | 2020-07-28 | 株式会社下濑微生物研究所 | Method and apparatus for treating organic matter containing harmful microorganisms |
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| Publication number | Publication date |
|---|---|
| CN103091090B (en) | 2015-03-25 |
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Granted publication date: 20150325 Termination date: 20220109 |