CN103776597A - Sealing test system and test method - Google Patents
Sealing test system and test method Download PDFInfo
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- CN103776597A CN103776597A CN201310591101.6A CN201310591101A CN103776597A CN 103776597 A CN103776597 A CN 103776597A CN 201310591101 A CN201310591101 A CN 201310591101A CN 103776597 A CN103776597 A CN 103776597A
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- 238000012360 testing method Methods 0.000 title claims abstract description 72
- 238000007789 sealing Methods 0.000 title claims abstract description 36
- 238000010998 test method Methods 0.000 title abstract description 4
- 230000033001 locomotion Effects 0.000 claims abstract description 26
- 239000011148 porous material Substances 0.000 claims description 114
- 208000002925 dental caries Diseases 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 10
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 230000015378 stomatal closure Effects 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
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Abstract
The invention provides a sealing test system and test method. The system comprises a first cylinder, a first piston and a solenoid valve module, wherein the first cylinder is provided with a first gas hole and a second gas hole, an interval is arranged between the first gas hole and the second gas hole, the first piston is arranged in the first cylinder, separates the first cylinder into two cavities and is provided with a motion stroke in the first cylinder, the solenoid valve module is connected with the first gas hole and the second gas hole and controls the air pressure difference between the cavities at the two sides of the first piston through controlling the gas flow of the two gas holes, the first piston reciprocates under the effect of the air pressure difference between the cavities at the two sides, and the first piston is connected with a compressed test assembly. The sealing test system and test method provided by the invention realize gas exchange through the solenoid valve module and can accurately control the position of the first piston; and at the same time, the time needed for each test is accurately controlled through a time relay.
Description
Technical field
The present invention relates to a kind of waterproof test device, particularly a kind of waterproof test device that can be used in testing mobile phone wire seal performance.
Background technology
The waterproof test of current most cell phone type antennas is to put into water tank to carry out reality and test under water, then has been confirmed whether that water droplet is penetrated in product; Or buy expensive vacuum pressure watch-dog, test.
Adopt reality to test under water, antenna for mobile phone all needs to be steeped by water enchroachment (invasion), has the risk of product oxidation; And complicated operation, product test can not parametrization, can not judge intuitively the performance quality of product;
Vacuum pressure watch-dog, involves great expense, and testing apparatus input cost is higher.
In the urgent need to a kind of cost, low and reliable waterproof test device replaces existing proving installation in existing antenna waterproof test field.
Summary of the invention
The invention provides a kind of sealing test system, it comprises:
The first cylinder: which is provided with the first pore and the second pore, there is an interval between described the first pore and the second pore;
First piston: be located in described cylinder and described cylinder is divided into two cavitys, it has a movement travel in described cylinder;
Solenoid valve module: be connected with described the first pore, the second pore, it is by the draught head between piston both sides cavity described in the airshed control of control two pores;
The to-and-fro movement under the effect of draught head between the cavity of both sides of described piston, described piston is connected with a pressurized test suite.
Preferably, also comprise the time relay, the described time relay is connected with described solenoid valve group and by the closure time of two pores described in the control of described solenoid valve group.
Preferably, solenoid valve module flows into and/or flows out the draught head between the cavity of piston both sides described in the airshed control of described the first pore and the second pore by controlling respectively.
Preferably, described first piston movement travel is extremely another end points of described cylinder of an end points from described the first cylinder.
Preferably, described pressurized test suite comprises:
The second cylinder: its one end is provided with a test pore, and the other end is connected with atmosphere;
The second piston: be located in described the second cylinder and described the second cylinder is divided into the 3rd cavity and the 4th cavity, described the 3rd cavity is connected with atmosphere, and described the second piston has a shift motion in described the second cylinder;
Baroceptor: be connected and measure the real-time air pressure of described the 4th inside cavity with described test pore;
Described the second piston is connected by connecting link with first piston, and described first piston drives described the second piston movement.
Preferably, described test pore is also connected with a sealer to be measured.
Preferably, described baroceptor is connected with described test pore by a tracheae threeway with described sealer to be measured.
Preferably, it is connected with atmosphere by one the 3rd pore, and the shift motion of described the second piston is extremely described the 3rd pore of low order end from described the second cylinder.
The present invention also provide a kind of sealing test system using method, it comprises the following steps:
The airshed of carrying out gas exchange by two pores described in the control of described solenoid valve module and described the first cylinder, described first piston starts to move in described the first cylinder;
When described first piston stops the gas exchange of described two pores and described the first cylinder during in default position, keep the gas pressure difference at current piston two ends.
The present invention also provide sealing test system using method, it comprises the following steps:
The airshed of carrying out gas exchange by two pores described in the control of described solenoid valve module and described the first cylinder, described first piston starts to move in described the first cylinder;
When described first piston stops the gas exchange of described two pores and described the first cylinder during in default position;
By the described time relay arrange pore closure duration, within this time, described piston is all the time in predeterminated position.
The present invention also provides a kind of using method of sealing test system, and it comprises the following steps:
First piston and the second piston are located at respectively to the low order end of the first cylinder and the second cylinder;
Controlling described solenoid valve module realizes the first pore, the second pore and the first cylinder and carries out gas exchange, make described first piston to left dislocation and drive described the second piston to do identical displacement left until described the second piston in default position, now solenoid valve module keeps the cavity draught head at piston two ends constant described the first pore, the second stomatal closure;
Set the run duration of described solenoid valve module by the described time relay, described the first pore, the second pore closure within this time, the draught head of described the first cylinder remains unchanged;
Observe the situation of change this section of time internal gas pressure value of described baroceptor and judge described sealer sealing property to be measured;
The time that the described time relay is set finishes, and test finishes.
The present invention realizes gas exchange by solenoid valve module, thereby can control accurately the position of first piston; Control accurately and tested the required time at every turn by the time relay simultaneously.
Certainly, implement arbitrary product of the present invention and might not need to reach above-described all advantages simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention one, three;
Fig. 2 is the structural representation of the embodiment of the present invention two, four.
Specific embodiment
Embodiment mono-
The invention provides a kind of sealing test system, as shown in Figure 1, it comprises:
The first cylinder 1: which is provided with between the first pore 2 and the second pore 3,2 first pores and the second pore 3 and there is an interval;
First piston 4: be located in the first cylinder 1 and the first cylinder 1 is divided into two cavitys, it has a movement travel in the first cylinder 1;
Solenoid valve module 5: be connected with the first pore 2, the second pore 3, it is by the draught head between the airshed control first piston 4 both sides cavitys of control two pores;
First piston 4 to-and-fro movement under the effect of draught head between the cavity of both sides, first piston 4 is connected with a pressurized test suite.
The present embodiment carries out gas exchange by solenoid valve group control the first pore 2, the second pore 3 and the first cylinder 1, and solenoid valve module 5 flows into and/or flows out the draught head between the airshed control first piston 4 both sides cavitys of described the first pore 2 and the second pore 3 by controlling respectively.After gas exchange, the atmospheric pressure value at first piston 4 two ends changes and starts displacement, and first piston 4 movement travels described here are another end points from end points to the first cylinder 1 of the first cylinder 1.
In the time that first piston 4 is positioned at the right-hand member of the second pore 3, control the first pore 2 and/or the second pore 3 by solenoid valve group 5 cavity in first piston 4 left sides is absorbed to gas to reduce the air pressure in first piston 4 left sides, the air pressure difference that increases first piston 4 right sides and first piston 4 left sides, moves first piston 4 to the left, in the time that first piston 4 is between the first pore 2 and the second pore 3, can make to change the draught head between first piston 4 right side cavitys and left side cavity by following several method, first piston 4 is moved to the left: the atmospheric pressure value that can extract by the first pore 2 the gas minimizing first piston 4 left side cavitys in first piston 4 left side cavitys, or also can in the cavity on first piston 4 right sides, be filled with gas to increase the atmospheric pressure value of first piston 4 right side cavitys by the second pore 3, can certainly in the gas extracting in first piston 4 left side cavitys, in the cavity on first piston 4 right sides, be filled with gas.In like manner, also can use similar method that first piston 4 is moved right, the class of operation that concrete operations are moved to the left with first piston 4 seemingly, the direction change that only the first pore 2 and the second pore 3 need be ventilated, originally absorb gas in cavity and change in cavity and ventilating, originally to the gas in absorption cavity that changes into of ventilating in cavity.
The present embodiment also comprises that the time relay 6,6 time relays and solenoid valve group 5 are connected and control by solenoid valve group 5 closure time of described two pores.In the present embodiment, when pressurized test suite is tested, when first piston 4 is during in default position, keep first piston 4 invariant position within the regular hour, be the dwell time during this period of time, the length of dwell time is controlled by the time relay 6, and the time relay 6 is closed two pores by controlling solenoid valve group 5 within the dwell time, and the gas ratio of the interior first piston of the first cylinder 14 both sides is remained unchanged.
Embodiment bis-
The invention provides a kind of sealing test system, as shown in Figure 2, it comprises:
The first cylinder 1: which is provided with between the first pore 2 and the second pore 3, the first pores 2 and the second pore 3 and there is an interval;
First piston 4: be located in the first cylinder 1 and the first cylinder 1 is divided into two cavitys, it has a movement travel in the first cylinder 1;
Solenoid valve module 5: be connected with the first pore 2, the second pore 3, it is by the draught head between the airshed control first piston 4 both sides cavitys of control two pores;
First piston 4 to-and-fro movement under the effect of draught head between the cavity of both sides, first piston 4 is connected with a pressurized test suite.
Described pressurized test suite comprises:
The second cylinder 11: its one end is provided with a test pore 12, and the other end is connected with atmosphere;
The second piston 13: be located in the second cylinder 11 and the second cylinder 11 be divided into the first cavity 14 and the second cavity 15, the first cavitys 14 are connected with atmosphere, it has a shift motion in the second cylinder 11;
Baroceptor 16: be connected and measure the real-time air pressure of the second cavity 15 inside with test pore 12;
The second piston 13 is connected by connecting link with first piston 4, and first piston 4 drives the second piston 13 to move.
In the present embodiment, test pore 12 is also connected with a sealer 17 to be measured, the sealer to be measured 17 of the present embodiment is for having the sealing tool of antenna for mobile phone, and sealing tool has the space sealing by antenna for mobile phone, and this example is mainly used in the sealing property of testing mobile phone antenna.Wherein baroceptor 16 is connected with test pore 12 by a tracheae threeway 18 with sealer 17 to be measured, baroceptor 16 also can be connected with test pore 12 by other connected mode with sealing tool, the present embodiment only describes as an example of tracheae threeway example, and the present invention does not limit baroceptor 16, sealing tool and the connected mode of testing pore 12.
In the present embodiment, the second cylinder 11 is connected with atmosphere by the 3rd aperture 19, and described shift motion is low order end to the three pores 19 from the second cylinder 11; The present invention also can be by opening wide the left end of the second cylinder 11 to be connected with atmosphere, and the present embodiment only illustrates the mode that the second cylinder 11 left sides are connected with atmosphere, and the present invention does not limit the type of attachment of the second cylinder 11 left sides and atmosphere.
In this example, control the position of the second piston 13 by controlling the position of first piston 4, the stroke of the two is consistent, and the second piston 13 makes the second cavity 15 reach the atmospheric pressure value that test needs in the interior movement of the second cylinder 11.
Embodiment tri-
The invention provides a kind of sealing test system, as shown in Figure 1, it comprises:
The first cylinder 1: which is provided with between the first pore 2 and the second pore 3, the first pores 2 and the second pore 3 and there is an interval;
First piston 4: be located in the first cylinder 1 and the first cylinder 1 is divided into two cavitys, it has a movement travel in the first cylinder 1;
Solenoid valve module 5: be connected with the first pore 2, the second pore 3, it is by the draught head between the airshed control first piston 4 both sides cavitys of control two pores;
First piston 4 to-and-fro movement under the effect of draught head between the cavity of both sides, first piston 4 is connected with a pressurized test suite;
The method of testing of sealing test macro is:
Control by solenoid valve module 5 airshed that described two pores and the first cylinder 1 carry out gas exchange, first piston 4 starts to move in the first cylinder 1;
When first piston 4 stops the gas exchange of described two pores and the first cylinder 1 during in default position, keep the gas pressure difference when first piston 4 two ends in front air cylinder.
In this example, connect a time relay 6 can also to solenoid valve module 5, solenoid valve module 5 is connected with after a time relay 6, reach in first piston 4 both sides after the draught head needing, stop the gas exchange of described two pores and the first cylinder 1, and by the time relay 6 arrange solenoid valve module 5 control two pore closures duration, within this time, first piston 4 is all the time in predeterminated position.
Embodiment tetra-
The invention provides a kind of sealing test system, as shown in Figure 2, it comprises:
The first cylinder 1: which is provided with between the first pore 2 and the second pore 3, the first pores 2 and the second pore 3 and there is an interval;
First piston 4: be located in the first cylinder 1 and the first cylinder 1 is divided into two cavitys, it has a movement travel in the first cylinder 1;
Solenoid valve module 5: be connected with the first pore 2, the second pore 3, it is by the draught head between the airshed control first piston 4 both sides cavitys of control two pores;
First piston 4 to-and-fro movement under the effect of draught head between the cavity of both sides, first piston 4 is connected with a pressurized test suite.
Described pressurized test suite comprises:
The second cylinder 11: its one end is provided with a test pore 12, and the other end is connected with atmosphere;
The second piston 13: be located in the second cylinder 11 and the second cylinder 11 be divided into the first cavity 14 and the second cavity 15, the first cavitys 14 are connected with atmosphere, it has a shift motion in the second cylinder 11;
Baroceptor 16: be connected and measure the real-time air pressure of the second cavity 15 inside with test pore 12;
The second piston 13 is connected by connecting link with first piston 4, and first piston 4 drives the second piston 13 to move.
The sealing test sealing test system that the present embodiment provides using method, comprise the following steps:
First piston 4 and the second piston 13 are located at respectively to the low order end of the first cylinder 1 and the second cylinder 11;
Control solenoid valve module 5 is realized the first pore 2, the second pore 3 and the first cylinder 1 and is carried out gas exchange, make first piston 4 to left dislocation and drive the second piston 13 to do identical displacement left until the second piston 13 in default position, now solenoid valve module 5 is closed the first pore 2, the second pore 3 to keep the draught head at first piston 4 two ends constant;
Set the run duration of solenoid valve module 5 by the time relay 6, the first pore 2, the second pore 3 closures within this time, the draught head of the first cylinder 1 remains unchanged;
Observe the situation of change this section of time internal gas pressure value of baroceptor 16 and judge sealer 17 sealing properties to be measured;
The time that the time relay 6 is set finishes, and test finishes.
In the present embodiment, when sealer sealing property to be measured is good not, can cause subtle change to the air pressure in the second cavity, and this subtle change is not enough to cause the change in location of piston, naked eyes cannot judge, and can measure this variation by baroceptor.
The present invention realizes gas exchange by solenoid valve module, thereby can control accurately the position of first piston; Control accurately and tested the required time at every turn by the time relay simultaneously.
The disclosed preferred embodiment of the present invention is just for helping to set forth the present invention above.Preferred embodiment does not have all details of detailed descriptionthe, and also not limiting this invention is only described embodiment.Obviously,, according to the content of this instructions, can make many modifications and variations.These embodiment are chosen and specifically described to this instructions, is in order to explain better principle of the present invention and practical application, thereby under making, technical field technician can understand and utilize the present invention well.The present invention is only subject to the restriction of claims and four corner and equivalent.
Claims (11)
1. a sealing test system, is characterized in that, comprising:
The first cylinder: which is provided with the first pore and the second pore, there is an interval between described the first pore and the second pore;
First piston: be located in described the first cylinder and described the first cylinder is divided into two cavitys, it has a movement travel in described the first cylinder;
Solenoid valve module: be connected with described the first pore, the second pore, it is by the draught head between first piston both sides cavity described in the airshed control of control two pores;
The to-and-fro movement under the effect of draught head between the cavity of both sides of described first piston, described first piston is connected with a pressurized test suite.
2. sealing test system as claimed in claim 1, is characterized in that, also comprises the time relay, and the described time relay is connected with described solenoid valve group and by the closure time of two pores described in the control of described solenoid valve group.
3. sealing test system as claimed in claim 1, is characterized in that, solenoid valve module flows into and/or flows out the draught head between the cavity of piston both sides described in the airshed control of described the first pore and the second pore by controlling respectively.
4. sealing test system as claimed in claim 1, is characterized in that, described first piston movement travel is extremely another end points of described the first cylinder of an end points from described the first cylinder.
5. sealing test system as claimed in claim 1, is characterized in that, described pressurized test suite comprises:
The second cylinder: its one end is provided with a test pore, and the other end is connected with atmosphere;
The second piston: be located in described the second cylinder and described the second cylinder is divided into the first cavity and the second cavity, described the first cavity is connected with atmosphere, and described the second piston has a shift motion in described the second cylinder;
Baroceptor: be connected and measure the real-time air pressure of described the second inside cavity with described test pore;
Described the second piston is connected by connecting link with first piston, and described first piston drives described the second piston movement.
6. sealing test system as claimed in claim 5, is characterized in that, described test pore is also connected with a sealer to be measured.
7. sealing test system as claimed in claim 6, is characterized in that, described baroceptor is connected with described test pore by a tracheae threeway with described sealer to be measured.
8. sealing test system as claimed in claim 5, is characterized in that, it is connected with atmosphere by one the 3rd pore, and the shift motion of described the second piston is extremely described the 3rd pore of low order end from described the second cylinder.
Sealing test system as claimed in claim 1 using method, it is characterized in that,
The airshed of carrying out gas exchange by two pores described in the control of described solenoid valve module and described the first cylinder, described first piston starts to move in described the first cylinder;
When described first piston stops the gas exchange of described two pores and described the first cylinder during in default position, keep the gas pressure difference at current piston two ends.
Sealing test system as claimed in claim 2 using method, it is characterized in that,
The airshed of carrying out gas exchange by two pores described in the control of described solenoid valve module and described the first cylinder, described first piston starts to move in described the first cylinder;
When described first piston stops the gas exchange of described two pores and described the first cylinder during in default position;
By the described time relay arrange pore closure duration, within this time, described first piston is all the time in predeterminated position.
11. sealing test systems as claimed in claim 7 using method, it is characterized in that, comprise the following steps:
First piston and the second piston are located at respectively to the low order end of the first cylinder and the second cylinder;
Controlling described solenoid valve module realizes the first pore, the second pore and the first cylinder and carries out gas exchange, make described first piston to left dislocation and drive described the second piston to do identical displacement left until described the second piston in default position, now solenoid valve module keeps the cavity draught head at piston two ends constant described the first pore, the second stomatal closure;
Set the run duration of described solenoid valve module by the described time relay, described the first pore, the second pore closure within this time, the draught head of described the first cylinder remains unchanged;
Observe the situation of change this section of time internal gas pressure value of described baroceptor and judge described sealer sealing property to be measured;
The time that the described time relay is set finishes, and test finishes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310591101.6A CN103776597B (en) | 2013-07-05 | 2013-11-22 | Waterproof test device and method of testing |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310281842.4 | 2013-07-05 | ||
| CN2013102818424 | 2013-07-05 | ||
| CN2013102818424A CN103439063A (en) | 2013-07-05 | 2013-07-05 | Waterproof test device and method |
| CN201310591101.6A CN103776597B (en) | 2013-07-05 | 2013-11-22 | Waterproof test device and method of testing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103776597A true CN103776597A (en) | 2014-05-07 |
| CN103776597B CN103776597B (en) | 2016-05-04 |
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Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013102818424A Pending CN103439063A (en) | 2013-07-05 | 2013-07-05 | Waterproof test device and method |
| CN201320740968.9U Withdrawn - After Issue CN203745164U (en) | 2013-07-05 | 2013-11-22 | Sealing test system |
| CN201310591101.6A Expired - Fee Related CN103776597B (en) | 2013-07-05 | 2013-11-22 | Waterproof test device and method of testing |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013102818424A Pending CN103439063A (en) | 2013-07-05 | 2013-07-05 | Waterproof test device and method |
| CN201320740968.9U Withdrawn - After Issue CN203745164U (en) | 2013-07-05 | 2013-11-22 | Sealing test system |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN103439063A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105278571A (en) * | 2014-06-03 | 2016-01-27 | 金东彦 | Apparatus for accurately testing waterproofing of a terminal using a reference chamber unit |
| CN109387326A (en) * | 2018-12-10 | 2019-02-26 | 南京工程学院 | The fast tune servomechanism installation of air pressure in a kind of confined space |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103439063A (en) * | 2013-07-05 | 2013-12-11 | 上海安费诺永亿通讯电子有限公司 | Waterproof test device and method |
| CN107152992A (en) * | 2016-03-03 | 2017-09-12 | 吉而特科技有限公司 | The package seal checker and hermetization testing method of electronic installation |
| CN110686837A (en) * | 2018-07-05 | 2020-01-14 | 四川飞辰机械制造有限公司 | Pneumatic vacuum airtightness detector |
| CN109655299B (en) * | 2019-01-16 | 2023-10-27 | 中铁第四勘察设计院集团有限公司 | Air source generating device and wind pressure test system comprising same |
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- 2013-07-05 CN CN2013102818424A patent/CN103439063A/en active Pending
- 2013-11-22 CN CN201320740968.9U patent/CN203745164U/en not_active Withdrawn - After Issue
- 2013-11-22 CN CN201310591101.6A patent/CN103776597B/en not_active Expired - Fee Related
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105278571A (en) * | 2014-06-03 | 2016-01-27 | 金东彦 | Apparatus for accurately testing waterproofing of a terminal using a reference chamber unit |
| CN105278571B (en) * | 2014-06-03 | 2018-05-18 | 金东彦 | Utilize the accurate terminal waterproof check device with reference to chamber unit |
| CN109387326A (en) * | 2018-12-10 | 2019-02-26 | 南京工程学院 | The fast tune servomechanism installation of air pressure in a kind of confined space |
| CN109387326B (en) * | 2018-12-10 | 2023-08-25 | 南京工程学院 | Quick-adjusting servo device for air pressure in closed space |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103776597B (en) | 2016-05-04 |
| CN203745164U (en) | 2014-07-30 |
| CN103439063A (en) | 2013-12-11 |
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