CN101710018A - Equipment for testing gas tightness of weapon sight and method thereof - Google Patents
Equipment for testing gas tightness of weapon sight and method thereof Download PDFInfo
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- CN101710018A CN101710018A CN200910109722A CN200910109722A CN101710018A CN 101710018 A CN101710018 A CN 101710018A CN 200910109722 A CN200910109722 A CN 200910109722A CN 200910109722 A CN200910109722 A CN 200910109722A CN 101710018 A CN101710018 A CN 101710018A
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- rifle
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- weapon sight
- gas
- gas tightness
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Abstract
The invention discloses equipment for testing the gas tightness of weapon sight and a method thereof. The equipment comprises: an air supply device which is connected with an air hole on the weapon sight for forming enough differential pressure in the weapon sight relative to the atmosphere pressure to test the gas tightness of the weapon sight; an sealing part which has a sealing space for sealing a sewing part of the weapon sight; and a pressure inducing device which is arranged on the sealing part for inducing the change of the air pressure in the sealing part. The method and the equipment adopt air pressure test, thereby being capable of saving the test time and improving the production efficiency.
Description
Technical field
The present invention relates to a kind of air tightness test of optical instrument, in particular a kind of equipment of testing gas tightness of weapon sight and method.
Background technology
It is the device that is used for run-home on the gun that rifle is taken aim at, and is generally used for precision shooting, and it is made up of one group of lens.Because it all is to be equipped with rifle usually that rifle is taken aim at, is in the rugged surroundings of exposing to the sun and rain, and in use may reels.It is the optical device that is used to aim at that rifle is taken aim at inside, in case portion forms dust or mould, can cause the decline of optical device optical property within it, even scrapping of causing directly that rifle takes aim at.Thus, the impermeability quality that rifle is taken aim at after production is finished can directly influence its rustless property, antiseptic property, fungicidal properties, anti-fog performance and anti-dust performance, thus quality quality and serviceable life that the decision rifle is taken aim at.
As shown in Figure 1, the rifle of prior art is taken aim at 100 middle parts and is provided with the adjusting knob 140 that is used to regulate the gun sight precision, and rifle takes aim at 100 to be had with extraneous position with gas exchange: eyepiece section 110, object lens section 120, middle knob section 130.Near adjusting knob 140, be provided with pore 150, rifle can be being taken aim at 100 inner chamber vacuum pumpings by this pore 150; Take aim to rifle again and charge into high pure nitrogen in 100, this pore 150 of sealing after filling nitrogen and finishing; After charging into nitrogen, must carry out air tightness test.
What the gas tightness of weapon sight test of prior art was adopted usually is the hydraulic pressure test method, the rifle that production is finished is taken aim at 100 and is placed the place of 30cm under water that is higher than 30 ℃ of room temperatures, after placing the sufficiently long time, the nitrogen temperature of rifle in taking aim at promoted, observe simultaneously and detect each position that rifle takes aim at and whether have bubble to form.As form bubble and illustrate that then impermeability is defective.
The method of prior art is simple, but it is longer to detect required time, can seriously reduce production efficiency; And, in case when test failure, because it is very high that the impermeability taken aim at of rifle requires, water-immersed rifle is taken aim under the bad state of impermeability, has water seepage flow and goes into during rifle takes aim at, need completely knocked down to reprocess when causing keeping in repair, and carry out processing such as dry cleansing, cause reprocessing time-consuming more of a specified duration, and be difficult to reprocess successfully, therefore lose time, production efficiency is extremely low.
Therefore, prior art also requires further improvement and develops.
Summary of the invention
The object of the present invention is to provide a kind of equipment and method of testing gas tightness of weapon sight, this method and apparatus adopts the air pressure test, can save the test duration, enhances productivity.
Technical scheme of the present invention is as follows:
A kind of equipment of testing gas tightness of weapon sight comprises: the compressed air source unit that is connected with pore that rifle is taken a fancy to is used to make described rifle to form the pressure reduction that is enough to test described gas tightness of weapon sight with atmospheric pressure in taking aim at; Have confined space and be used for the seal member of the seam areas that airtight described rifle takes aim at; Be arranged on the pressure sensitive device on the described seal member, this pressure sensitive device is used for the air pressure change in the described seal member of perception.
Described equipment, wherein, described seal member comprises: be used for the first gas casket that airtight rifle is taken aim at the eyepiece section; Be used for airtight rifle and take aim at the second gas casket of object lens section; Be used for airtight rifle and take aim at the 3rd gas casket of middle knob section; Described pressure sensitive device comprises first induction installation that is arranged on the first gas casket; Be arranged on second induction installation on the second gas casket, be arranged on the 3rd induction installation on the 3rd gas casket.
Described equipment, wherein, the described first gas casket, the second gas casket, the 3rd gas casket comprise respectively: constitute the folding cover piece of body, be arranged between the folding cover piece and inner O-ring seal.
Described equipment, wherein, described pressure sensitive device connects analytical equipment, and this analytical equipment is used for the air pressure change of processing pressure induction installation perception; Analytical equipment connects display device, and this display device is used for the analysis result of display analysis device.
Described equipment wherein, is provided with water tank in a side of described seal member, and this water tank is built-in with the liquid that temperature is higher than room temperature.
Described equipment wherein, also comprises: be used for fixing the stationary installation that rifle is taken aim at; With the mobile device that this stationary installation is connected, described mobile device is used for described rifle taken aim at detecting impermeability and moves into described water tank when defective.
Described equipment wherein, also comprises: be used for fixing the stationary installation that rifle is taken aim at; With the mobile device that this stationary installation is connected, described mobile device is used for described water tank taken aim to rifle and moves to described rifle and take aim at the liquid that submerges.
The present invention also provides a kind of method of testing gas tightness of weapon sight, takes aim at condition execution following steps: the S1 of constant temperature, with rifle to be enclosed in the seal member, and is communicated with a pore and the external compressed air source unit that rifle is taken aim at; S2, obtain the air pressure of described seal member after described compressed air source unit is connected; If S3 air pressure changes, it is defective then to be judged as gas tightness of weapon sight, otherwise it is qualified to be judged as gas tightness of weapon sight.
Described method, wherein, before described step S1 also in steps S0, obtain the permissible error of detection; Described step S3 also comprises: if the variation of described air pressure is in the described permissible error scope, it is qualified then to be judged as gas tightness of weapon sight, otherwise it is defective to be judged as gas tightness of weapon sight.
Described method, wherein, further comprising the steps of: as, described rifle taken aim at as for temperature to be higher than in the liquid of room temperature if the S4 gas tightness of weapon sight is defective.
The equipment of testing gas tightness of weapon sight provided by the present invention and method owing to adopted the air pressure test, can be saved the test duration, the test period of shortening, in case when test failure need be done over again, needn't operate the operation of front again, have improved production efficiency.
Description of drawings
Fig. 1 is the synoptic diagram that rifle is taken aim at;
Fig. 2 is the principle schematic of the equipment of a kind of testing gas tightness of weapon sight of the present invention;
Fig. 3 is the principle schematic of the equipment of another kind of testing gas tightness of weapon sight of the present invention;
Fig. 4 is the front view of structure of the equipment of a kind of testing gas tightness of weapon sight of the present invention;
Fig. 5 is the left view of structure of the equipment of a kind of testing gas tightness of weapon sight of the present invention;
Fig. 6 is the front view of structure of the equipment of another testing gas tightness of weapon sight of the present invention;
Fig. 7 is the left view of structure of the equipment of another testing gas tightness of weapon sight of the present invention;
Fig. 8 is the process flow diagram of a kind of method of testing gas tightness of weapon sight among the present invention.
Embodiment
The invention provides a kind of equipment of testing gas tightness of weapon sight, its principle as shown in Figure 2, this equipment comprises: seal member 200, compressed air source unit 300, pressure sensitive device 400, analytical equipment 500 and display device 600.
Compressed air source unit 300 is communicated with the pore 150 that rifle is taken aim on 100, and being used for taking aim at 100 to rifle provides and be enough to Testing gun and take aim at 100 bubble-tight pressure reduction: can take aim at 100 to rifle the air pressure that is higher than atmospheric pressure is provided, for example 2 to 6 atmospheric pressure; Also can take aim at 100 to rifle provides subatmospheric negative pressure even forms vacuum.Obviously, in rifle was taken aim at 100 bond strength scope, the big more test required time of pressure reduction was short more, and efficient is high more.
Pressure sensitive device 400 is arranged on the seal member 200, is used for the air pressure change in the perception seal member 200.Pressure sensitive device 400 adopts mobile scale in the present embodiment, the air pressure change in the seal member 200 can be amplified by mobile scale, and atmospheric pressure value is demarcated.
When pressure sensitive device 400 adopted pressure-active element, this equipment also comprised: analytical equipment 500 that is connected with pressure sensitive device 400 and the display device 600 that is connected with analytical equipment 500.Analytical equipment 500 is used for the air pressure change of processing pressure induction installation 400 perception, and the pneumatic parameter that this compressed air source unit 300 is provided should be input in the described analytical equipment 500, so that it can be with reference to the barometric information of compressed air source unit 300 inputs when handling; Display device 600 is used for the analysis result of display analysis device, whether be used to indicate described rifle to take aim at qualified, and the duty of described workbench etc., for example can adopt display screen, pilot lamp, pilot lamp can also be provided with an acoustic-optic alarm simultaneously, by the control of described airtight pick-up unit, be implemented in and detect described rifle and take aim at and to carry out alarm, the convenient detection that rifle is taken aim at when defective.
Adopt the checkout equipment in the present embodiment, in rifle is taken aim at, charge into gases at high pressure or find time to form negative pressure because adopt, thereby make rifle take aim at the inside and outside bigger pressure reduction that forms, this pressure reduction is higher than the pressure reduction that water forms that room temperature 30 is spent far above placing of prior art, has significantly improved testing efficiency.
As another kind of embodiment, as shown in Figure 3, described seal member 200 comprises and is used for the first gas casket 210 that airtight rifle is taken aim at 100 eyepiece sections 110; Be used for airtight rifle and take aim at the second gas casket 220 of object lens section 120; Be used for airtight rifle and take aim at the 3rd gas casket 230 of middle knob section 130; Accordingly, described pressure sensitive device 400 comprises first induction installation 410 that is arranged on the first gas casket 210; Be arranged on second induction installation 420 on the second gas casket 220, be arranged on the 3rd induction installation 430 on the 3rd gas casket 230.Present embodiment not only can detect the impermeability that rifle is taken aim at 100 integral body, be whether rifle is taken aim at 100 and leaked gas, but also can take aim under the underproof situation of 100 impermeability detecting rifle, detect further that to be that rifle is taken aim at the impermeability at which position of 100 defective, have more specific aim during detection, the precision and the efficient of test have been improved, when reprocessing, can only carry out the dismounting maintenance simultaneously at this rejected region, convenient maintenance when maintenance to corresponding position, improve the efficient of maintenance, also increased the yield of product.
Another embodiment, shown in Fig. 4 to 5, equipment comprises: workbench 700, this workbench can adopt the common workbench of existing various sizes; On workbench 700, be arranged side by side two V-type supports 710, be used for firmly supporting rifle and take aim at 100, so that rifle is taken aim at 100 bubble-tight detections; Be arranged on the compressed air source unit 300 on the workbench 700, can provide gases at high pressure by this compressed air source unit 300, only be signal shown in Fig. 4 and Fig. 5, described compressed air source unit 300 can adopt external or built-in air compressor; Be arranged on and be used to seal rifle on the workbench 700 and take aim at 100 packaged unit 200; Pressure sensitive device 400 is set on the packaged unit 200, not shown in Fig. 4 and Fig. 5; The analytical equipment 500 that is connected with pressure sensitive device 400, be used for the sensed data that processing pressure induction installation 400 obtains and judge air pressure change in the packaged unit 200, judge thus whether the impermeability that rifle takes aim at is qualified, and analytical equipment 500 of the present invention can utilize the prior function circuit; Be arranged on the display device 600 that is connected with analytical equipment 500 on the workbench 700, whether described display device 600 is used to indicate described rifle to take aim at qualified, and the duty of described workbench etc., the form of employing is one or more combinations of forms such as display screen 610, pilot lamp 620, auditory tone cues.Pilot lamp 620 can also be provided with an acoustic-optic alarm simultaneously, takes aim at 100 and can carry out alarm when defective detecting rifle, convenient rifle is taken aim at 100 detection.
Alternative embodiment, in testing process, if it is defective that rifle is taken aim at 100 impermeability, promptly, the gases at high pressure injection gun is taken aim at 100 when inner, have air infiltration and drain in the packaged unit 200, can detect air pressure change in the packaged unit 200 by pressure sensitive device 400 and analytical equipment 500, so just can determine that rifle takes aim at 100 air-tightness, the present invention can increase work efficiency when detecting greatly; Detect owing to carry out dry type,, can be set the air pressure and the detection time of compressed air source unit 300, so just can realize faster and accurately detecting the gas tightness of weapon sight process according to needed error requirements by air pressure.Especially good is, the present invention takes aim at 100 impermeability when defective detecting rifle, because what adopt is dry type air pressure detection mode, can not cause the moisture of impermeability bad position to bleed back, and maintenance process is simplified a lot, and repairable rate and efficient all improve greatly.
Rifle take aim at 100 impermeability defective after, as to desire further to understand the bad problem of impermeability be when which position that rifle is taken aim at, as another embodiment, as shown in Figure 6 and Figure 7, at the V-type support one water tank 730 is set for 710 times, water tank 730 is used to install the liquid that is higher than room temperature, the water, acetone or the alcohol that for example are higher than room temperature 30 degree, and the liquid in the water tank 730 is deep to few 30cm, as the detection means of prior art, can carry out the detection of rejected region.Described water tank 730 is arranged on the lifting structure 740, and this lifting structure 740 can adopt the common physical construction of prior art, as described in Figure 7, can adopt lift cylinder 741 to cooperate guide pole 742, and water tank 730 is carried out descending operation.When gas tightness of weapon sight is defective, can control water tank 730 and rise, rifle is taken aim at sedimentation go in the liquid of water tank 730, carry out the airtight location detection of traditional approach.Certainly mobile rifle takes aim at 100 to water tank 730.
Though above-mentioned embodiment is not a preferred forms of the present invention, but can improve the detection speed of the gas tightness of weapon sight specification product of first batch of production at least, and can adopt simpler airtight pick-up unit, gas column etc. for example, and need not adopt the more expensive electronic equipments such as airtight detector of cost, meet the embodiment that improvement requires for of the present invention one.
The present invention also provides a kind of method of testing gas tightness of weapon sight, considers the PVT character of gas, need carry out following steps in the condition of constant temperature, as shown in Figure 8:
800, obtain the permissible error of detection;
810, rifle is taken aim at be enclosed in the seal member, and be communicated with a pore and the external compressed air source unit that rifle is taken aim at;
820, obtain the air pressure of described seal member after described compressed air source unit is connected;
If 830 air pressure change, it is defective then to be judged as gas tightness of weapon sight, otherwise it is qualified to be judged as gas tightness of weapon sight; This step may further comprise the steps:
If the variation of described air pressure is in the described permissible error scope, it is qualified then to be judged as gas tightness of weapon sight, otherwise it is defective to be judged as gas tightness of weapon sight.
On the basis of above-mentioned embodiment,, described rifle taken aim at as for temperature be higher than in the liquid of room temperature if gas tightness of weapon sight is defective.Though above-mentioned embodiment is not a preferred forms of the present invention, can improve the detection speed of the gas tightness of weapon sight specification product of first batch of production at least.
Should be understood that application of the present invention is not limited to above-mentioned giving an example, for those of ordinary skills, can be improved according to the above description or conversion that all these improvement and conversion all should belong to the protection domain of claims of the present invention.
Claims (10)
1. the equipment of a testing gas tightness of weapon sight is characterized in that, comprising: the compressed air source unit that is connected with pore that rifle is taken a fancy to is used to make described rifle to form the pressure reduction that is enough to test described gas tightness of weapon sight with atmospheric pressure in taking aim at; Have confined space and be used for the seal member of the seam areas that airtight described rifle takes aim at; Be arranged on the pressure sensitive device on the described seal member, this pressure sensitive device is used for the air pressure change in the described seal member of perception.
2. equipment according to claim 1 is characterized in that, described seal member comprises: be used for the first gas casket that airtight rifle is taken aim at the eyepiece section; Be used for airtight rifle and take aim at the second gas casket of object lens section; Be used for airtight rifle and take aim at the 3rd gas casket of middle knob section; Described pressure sensitive device comprises first induction installation that is arranged on the first gas casket; Be arranged on second induction installation on the second gas casket, be arranged on the 3rd induction installation on the 3rd gas casket.
3. equipment according to claim 2 is characterized in that, the described first gas casket, the second gas casket, the 3rd gas casket comprise respectively: constitute the folding cover piece of body, be arranged between the folding cover piece and inner O-ring seal.
4. equipment according to claim 1 and 2 is characterized in that, described pressure sensitive device connects touches analytical equipment, and this analytical equipment is used for the air pressure change of processing pressure induction installation perception; Analytical equipment connects display device, and this display device is used for the analysis result of display analysis device.
5. equipment according to claim 1 is characterized in that, is provided with water tank in a side of described seal member, and this water tank is built-in with the liquid that temperature is higher than room temperature.
6. equipment according to claim 1 is characterized in that, also comprises: be used for fixing the stationary installation that rifle is taken aim at; With the mobile device that this stationary installation is connected, described mobile device is used for described rifle taken aim at detecting impermeability and moves into described water tank when defective.
7. equipment according to claim 1 is characterized in that, also comprises: be used for fixing the stationary installation that rifle is taken aim at; With the mobile device that this stationary installation is connected, described mobile device is used for described water tank taken aim to rifle and moves to described rifle and take aim at the liquid that submerges.
8. the method for a testing gas tightness of weapon sight, carry out following steps in the condition of constant temperature:
S1, rifle taken aim at be enclosed in the seal member, and be communicated with a pore and the external compressed air source unit that rifle is taken aim at;
S2, obtain the air pressure of described seal member after described compressed air source unit is connected;
If S3 air pressure changes, it is defective then to be judged as gas tightness of weapon sight, otherwise it is qualified to be judged as gas tightness of weapon sight.
9. method according to claim 8 is characterized in that, before described step S1 also in steps S0, obtain the permissible error of detection; Described step S3 also comprises:
If the variation of described air pressure is in the described permissible error scope, it is qualified then to be judged as gas tightness of weapon sight, otherwise it is defective to be judged as gas tightness of weapon sight.
10. method according to claim 8 is characterized in that, and is further comprising the steps of:
If the S4 gas tightness of weapon sight is defective, described rifle taken aim at as for temperature is higher than in the liquid of room temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910109722XA CN101710018B (en) | 2009-11-17 | 2009-11-17 | Equipment for testing gas tightness of weapon sight and method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910109722XA CN101710018B (en) | 2009-11-17 | 2009-11-17 | Equipment for testing gas tightness of weapon sight and method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101710018A true CN101710018A (en) | 2010-05-19 |
| CN101710018B CN101710018B (en) | 2011-10-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910109722XA Expired - Fee Related CN101710018B (en) | 2009-11-17 | 2009-11-17 | Equipment for testing gas tightness of weapon sight and method thereof |
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| CN (1) | CN101710018B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105910774A (en) * | 2016-07-08 | 2016-08-31 | 湘电莱特电气有限公司 | Motor air-tight test method and facility |
| CN106225997A (en) * | 2016-08-28 | 2016-12-14 | 成都润博科技有限公司 | A kind of method utilizing intelligence bubble detection device to carry out sealing experiment |
| CN106353044A (en) * | 2016-08-28 | 2017-01-25 | 成都润博科技有限公司 | An Intelligent and Efficient Bubble Detection Device |
| CN108235762A (en) * | 2016-10-12 | 2018-06-29 | 华为技术有限公司 | A kind of detection method of sealing performance, device and storage medium |
| CN109115958A (en) * | 2018-09-07 | 2019-01-01 | 哈尔滨工程大学 | A kind of high undersea hydrostatic pressures gas continuously quick-fried spray apparatus and experiment porch |
-
2009
- 2009-11-17 CN CN200910109722XA patent/CN101710018B/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105910774A (en) * | 2016-07-08 | 2016-08-31 | 湘电莱特电气有限公司 | Motor air-tight test method and facility |
| CN106225997A (en) * | 2016-08-28 | 2016-12-14 | 成都润博科技有限公司 | A kind of method utilizing intelligence bubble detection device to carry out sealing experiment |
| CN106353044A (en) * | 2016-08-28 | 2017-01-25 | 成都润博科技有限公司 | An Intelligent and Efficient Bubble Detection Device |
| CN106353044B (en) * | 2016-08-28 | 2018-09-25 | 成都润博科技有限公司 | A kind of intelligent and high-efficiency bubble detection device |
| CN106225997B (en) * | 2016-08-28 | 2018-09-25 | 成都润博科技有限公司 | A method of it is tested using intelligent being sealed property of bubble detection device |
| CN108235762A (en) * | 2016-10-12 | 2018-06-29 | 华为技术有限公司 | A kind of detection method of sealing performance, device and storage medium |
| US11346743B2 (en) | 2016-10-12 | 2022-05-31 | Huawei Technologies Co., Ltd. | Sealing performance test method, apparatus, and storage medium |
| CN109115958A (en) * | 2018-09-07 | 2019-01-01 | 哈尔滨工程大学 | A kind of high undersea hydrostatic pressures gas continuously quick-fried spray apparatus and experiment porch |
| CN109115958B (en) * | 2018-09-07 | 2024-02-23 | 哈尔滨工程大学 | Underwater high-pressure gas continuous blasting device and experimental platform |
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| Publication number | Publication date |
|---|---|
| CN101710018B (en) | 2011-10-26 |
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Granted publication date: 20111026 Termination date: 20121117 |