CN204988663U - Positive differential appearance that leaks hunting of negative pressure formula - Google Patents
Positive differential appearance that leaks hunting of negative pressure formula Download PDFInfo
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- CN204988663U CN204988663U CN201520451145.3U CN201520451145U CN204988663U CN 204988663 U CN204988663 U CN 204988663U CN 201520451145 U CN201520451145 U CN 201520451145U CN 204988663 U CN204988663 U CN 204988663U
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Abstract
The utility model provides a positive differential appearance that leaks hunting of negative pressure formula which contains and has processing unit, pressure supply unit, linkage unit, analytic unit, controls unit, display element, output interface, input interface and power unit's accredited testing organization, the the detecting unit who is connected with the linkage unit, and with the input interface connection remote switch. By this, an usable the detecting unit and an electron device are connected, and coordinate accredited testing organization directly to carry out airtight waterproof test to electron device, and need not not put electron device in the aquatic, except that can reducing research and development and manufacturing cost, more can reach the efficiency that saves time, makes things convenient for, increases test stability and improvement test efficiency when carrying out airtight waterproof test.
Description
Technical field
The utility model relates to the differential leak detector of a kind of positive and negative pressure type, espespecially one can utilize detecting unit to be connected with electronic installation, and coordinate mechanism for testing directly to carry out air-tight water-proof test to electronic installation, and need not electronic installation be placed in water, except can reducing research and development and production cost, more can reach the device of save time, facilitate, increase measuring stability and raising tested performance effect in time carrying out air-tight water-proof test.
Background technology
The inner body of general current electronic product may infiltrate because of moisture and cause damage, and electronic product is increasingly accurate now, and the requirement for waterproof also promotes gradually.Different classification of waterproof is met, such as: IPX7 standard is to be measured and can maintains 30 minutes under 1 meter of depth of water and keep waterproof, therefore, in the research and development or manufacture process of product, all needs the test carrying out waterproof for meeting electronic product.
Whether traditional electronic devices waterproof test is directly positioned over to be measured after in water, disassemble to be measured and seep water to inspect inside.The method is only useful in the detection that initial stage development cannot be useful in product when producing in a large number, therefore, the waterproof test of high lone valence electron assembly bears the mode of hydraulic pressure in water with air pressure emulation object, impose negative pressure to be measured outside with malleation or to be measured inside.
In addition, prior art provides gas with plant area and by positive/negative-pressure tester, utilizes artificial range estimation to obtain the waterproof test data of article to be measured, and judge the water-proof function effect of article to be measured voluntarily; Therefore, possible plant area source of the gas instability causes the false judgment to product water-proof function, and then increases the consuming time and cost of human resources of test duration, may reduce the efficiency of testing process.
Therefore, for improving above-mentioned disappearance, this case creator spy concentrate on studies, and develops one " the differential leak detector of positive and negative pressure type ", effectively to improve the shortcoming of prior art.
Utility model content
Fundamental purpose of the present utility model is, there is provided a kind of positive and negative pressure type differential leak detector, detecting unit is utilized to be connected with electronic installation, and coordinate mechanism for testing directly to carry out air-tight water-proof test to electronic installation, and need not electronic installation be placed in water, except can reducing research and development and production cost, more can reach effect of save time, facilitate, increase measuring stability and raising tested performance in time carrying out air-tight water-proof test.
For reaching above-mentioned purpose, the technical scheme that the utility model adopts is: the differential leak detector of a kind of positive and negative pressure type, is characterized in, it includes mechanism for testing, detecting unit and remote switch; This mechanism for testing includes the power unit of processing unit, the pressure feeding unit of connection handling unit, the linkage unit of connection handling unit, the analytic unit of connection handling unit, the manipulation unit of connection handling unit, the display unit of connection handling unit, the output interface of connection handling unit, the input interface of connection handling unit and connection handling unit; This detecting unit is connected with this linkage unit; This remote switch is connected with this input interface.
In an embodiment of the present utility model, this mechanism for testing further includes casing, and this processing unit, pressure feeding unit and analytic unit are located in this casing, and this linkage unit, manipulation unit, display unit, output interface, input interface and power unit be located at least one surface of this casing.
In an embodiment of the present utility model, this processing unit is single-chip or logical circuit.
In an embodiment of the present utility model, this pressure feeding unit is air lift pump.
In an embodiment of the present utility model, this linkage unit is be arranged at the interface on casing one surface.
In an embodiment of the present utility model, this manipulation unit includes the on & off switch be arranged on casing one surface, the emergent stopping key be arranged on casing one surface, the malleation switch key be arranged on casing one surface, the negative pressure switch key be arranged on casing one surface, the first adjustment key be arranged on casing one surface, the second adjustment key and the control switch key that is arranged on another surface of casing be arranged on another surface of casing.
In an embodiment of the present utility model, this display unit includes the tensimeter be arranged on casing one surface, the voltage stabilizing timing indicator be arranged on casing one surface, the test timing indicator be arranged on casing one surface, the normal cresset be arranged on casing one surface, the abnormal cresset be arranged on casing one surface, the voltage stabilizing cresset completing cresset, be arranged at the test cresset on casing one surface and be arranged on casing one surface be arranged on casing one surface.
In an embodiment of the present utility model, this tensimeter, voltage stabilizing timing indicator and test timing indicator are digital indicator.
In an embodiment of the present utility model, this output interface and input interface be located at casing another on the surface, and this output interface is RS485 connector.
In an embodiment of the present utility model, this power unit is be located at the supply socket on another surface of casing.
In an embodiment of the present utility model, this detecting unit includes the body and at least one detector be located in this body that dock with linkage unit.
Accompanying drawing explanation
Fig. 1 is schematic appearance of the present utility model.
Fig. 2 of the present utility modelly faces view.
Fig. 3 is that the back of the body of the present utility model looks view.
Fig. 4 is block schematic diagram of the present utility model.
Label contrasts:
Mechanism for testing 1 casing 10
Processing unit 11 pressure feeding unit 12
Linkage unit 13 analytic unit 14
Manipulation unit 15 on & off switch 151
Emergent stopping key 152 malleation switch key 153
Negative pressure switch key 154 first adjusts key 155
Second adjustment key 156 controls switch key 157
Display unit 16 tensimeter 161
Timing indicator 163 tested by voltage stabilizing timing indicator 162
The abnormal cresset 165 of normal cresset 164
Complete cresset 166 and test cresset 167
Voltage stabilizing cresset 168 output interface 17
Input interface 18 power unit 19
Detecting unit 2 body 21
Detector 22 remote switch 3
Electronic installation 4.
Embodiment
Refer to shown in Fig. 1-Fig. 4, be respectively schematic appearance of the present utility model, of the present utility modelly face view, the back of the body of the present utility model looks view and block schematic diagram of the present utility model.As shown in the figure: the utility model is the differential leak detector of a kind of positive and negative pressure type, and it includes at least one mechanism for testing 1, detecting unit 2 and remote switch 3.
Above-mentioned carried mechanism for testing 1 includes the power unit 19 of processing unit 11, the pressure feeding unit 12 of connection handling unit 11, the linkage unit 13 of connection handling unit 11, the analytic unit 14 of connection handling unit 11, the manipulation unit 15 of connection handling unit 11, the display unit 16 of connection handling unit 11, the output interface 17 of connection handling unit 11, the input interface 18 of connection handling unit 11 and connection handling unit 11.Wherein, this mechanism for testing 1 further includes casing 10, and this processing unit 11, pressure feeding unit 12 and analytic unit 14 are located in casing 10, and this linkage unit 13, manipulation unit 15, display unit 16, output interface 17, input interface 18 and power unit 19 be located at least one surface of casing 10.
And above-mentioned processing unit 11 is single-chip or logical circuit.
This pressure feeding unit 12 is air lift pump.
This linkage unit 13 is for being arranged at the interface on casing 10 1 surface, and this manipulation unit 15 includes the on & off switch 151 be arranged on casing 10 1 surface, the emergent stopping key 152 be arranged on casing 10 1 surface, the malleation switch key 153 be arranged on casing 10 1 surface, the negative pressure switch key 154 be arranged on casing 10 1 surface, the first adjustment key 155 be arranged on casing 10 1 surface, the second adjustment key 156 and the control switch key 157 that is arranged on another surface of casing 10 be arranged on another surface of casing 10.
This display unit 16 includes the tensimeter 161 be arranged on casing 10 1 surface, be arranged at the voltage stabilizing timing indicator 162 on casing 10 1 surface, be arranged at the test timing indicator 163 on casing 10 1 surface, be arranged at the normal cresset 164 on casing 10 1 surface, be arranged at the abnormal cresset 165 on casing 10 1 surface, be arranged at and casing 10 1 surface completes cresset 166, be arranged at the test cresset 167 on casing 10 1 surface, and the voltage stabilizing cresset 168 be arranged on casing 10 1 surface.And this tensimeter 161, voltage stabilizing timing indicator 162 and test timing indicator 163 are digital indicator.
Above-mentioned output interface 17 and input interface 18 be located at casing 10 another on the surface, and this output interface 17 is RS485 connector.
Above-mentioned power unit 19 is for being located at the supply socket on another surface of casing 10.
This detecting unit 2 is connected with linkage unit 13, and this detecting unit 2 includes the body 21 and at least one detector 22 be located in body 21 that dock with linkage unit 13.
This remote switch 3 is connected with input interface 18.In this way, the differential leak detector of positive and negative pressure type that above Structure composing one is brand-new.
When the utility model is in time using, power plug can be coordinated to capture electric power by power unit 19 to use, and body 21 one end of detecting unit 2 is connected with linkage unit 13, another end then connects electronic installation 4 to be tested, another when mechanism for testing 1 is in running be using processing unit 11 as every control, the center of computing and process.
When tested, user can utilize manipulation unit 15 to carry out the operating and setting of being correlated with, mechanism for testing 1 can be opened by & off switch 151, and the selection of required pattern of pressure is carried out with malleation switch key 153 and negative pressure switch key 154, first adjustment key 155 and second adjust key 156 then as needed for the fine setting of pressure or coarse adjustment, in addition, the model selection that switch key 157 carries out internal control or external control can more be controlled.But, when carrying out aforementioned setting, be simultaneously by display unit 16 tensimeter 161, voltage stabilizing timing indicator 162, test timing indicator 163, normal cresset 164, abnormal cresset 165, complete cresset 166, test cresset 167 and voltage stabilizing cresset 168 and show relevant numerical value and cresset.
After setting completes and starts, just with pressure feeding unit 12 malleation, negative pressure are imposed to electronic installation 4 to be tested or provide a stable pressure to test (about 30 seconds), and show relevant data or cresset by display unit 16 equally when testing, test mode interpretation is carried out for user, when pressure feeding unit 12 is exerted pressure, be forced into required pressure by low pressure, namely from ± 10cmH
2o is initially forced into the specification meeting IPX7 and IPX8, and in time testing by the signal of the detector 22 transmission pressure test mode of detecting unit 2 to analytic unit 14, the data analysis allowing analytic unit 14 coordinate processing unit 11 to carry out being correlated with (as: calculates force value, or force value is converted into the depth of water), afterwards and can pass through this output interface 17 and export the numerical value of this test in relevant equipment (not shown), using as follow-up interpretation or process, use the airtight test of electronic installation 4.
Separately, when the utility model is in time carrying out the operation of mechanism for testing, except closing except every operation procedure with emergent stopping key 152 because of emergency, the remote switch 3 that input interface 18 more can be utilized to connect carries out closing motion in long-range, and then makes the utility model can needed for more realistic operating environment.
So, the utility model can be made at least to reach following advantages:
1. airtight test can directly be shown as the emulation depth of water by air feed, need not be converted by user.
2. airtight test can switch in real time and carries out testing or testing with negative pressure with malleation, without the need to carrying out the replacing of air feed equipment and determining apparatus, to improve its convenience and to save time.
3. can provide the gas needed for airtight test voluntarily, therefore, its pressure Absorbable organic halogens controls, and then can improve the stability of its test.
4. be airtightly judged as automatic decision, can replace to estimate the waterproof test data obtaining article to be measured, and judge the mode of article water-proof function to be measured voluntarily, its stability judged can be improved and save time.
5. airtight test air feed can from its simulation test depth of water of Row sum-equal matrix, and therefore user adjusts according to its demand and test regulation, and then improves its convenient test and usefulness.
In sum, the differential leak detector of positive and negative pressure type of the present utility model effectively can improve the various shortcoming of prior art, detecting unit can be utilized to be connected with electronic installation, and coordinate mechanism for testing directly to carry out air-tight water-proof test to electronic installation, and need not electronic installation be placed in water, except can reducing research and development and production cost, more can reach effect of save time, facilitate, increase measuring stability and raising tested performance in time carrying out air-tight water-proof test.And then make the utility model can produce more progressive, more practical, more to meet when consumer uses institute must, indeed meet the important document of utility application, propose patented claim in accordance with the law.
Only the above, be only preferred embodiment of the present utility model, when can not limit the scope of the utility model enforcement with this; Therefore, all simple equivalence changes done according to the utility model claim and creation description with modify, all should still belong in scope that the utility model patent contains.
Claims (11)
1. the differential leak detector of positive and negative pressure type, is characterized in that, it includes mechanism for testing, detecting unit and remote switch; This mechanism for testing includes the power unit of processing unit, the pressure feeding unit of connection handling unit, the linkage unit of connection handling unit, the analytic unit of connection handling unit, the manipulation unit of connection handling unit, the display unit of connection handling unit, the output interface of connection handling unit, the input interface of connection handling unit and connection handling unit; This detecting unit is connected with this linkage unit; This remote switch is connected with this input interface.
2. the differential leak detector of positive and negative pressure type as claimed in claim 1, it is characterized in that, described mechanism for testing further includes casing, and this processing unit, pressure feeding unit and analytic unit are located in casing, and this linkage unit, manipulation unit, display unit, output interface, input interface and power unit be located at least one surface of this casing.
3. the differential leak detector of positive and negative pressure type as claimed in claim 2, it is characterized in that, described processing unit is single-chip or logical circuit.
4. the differential leak detector of positive and negative pressure type as claimed in claim 2, it is characterized in that, described pressure feeding unit is air lift pump.
5. the differential leak detector of positive and negative pressure type as claimed in claim 2, it is characterized in that, described linkage unit is be arranged at the interface on casing one surface.
6. the differential leak detector of positive and negative pressure type as claimed in claim 2, it is characterized in that, described manipulation unit includes the on & off switch be arranged on casing one surface, the emergent stopping key be arranged on casing one surface, the malleation switch key be arranged on casing one surface, the negative pressure switch key be arranged on casing one surface, the first adjustment key be arranged on casing one surface, the second adjustment key and the control switch key that is arranged on another surface of casing be arranged on another surface of casing.
7. the differential leak detector of positive and negative pressure type as claimed in claim 2, it is characterized in that, described display unit includes the tensimeter be arranged on casing one surface, the voltage stabilizing timing indicator be arranged on casing one surface, the test timing indicator be arranged on casing one surface, the normal cresset be arranged on casing one surface, the abnormal cresset be arranged on casing one surface, the voltage stabilizing cresset completing cresset, be arranged at the test cresset on casing one surface and be arranged on casing one surface be arranged on casing one surface.
8. the differential leak detector of positive and negative pressure type as claimed in claim 7, is characterized in that, described tensimeter, voltage stabilizing timing indicator and test timing indicator are digital indicator.
9. the differential leak detector of positive and negative pressure type as claimed in claim 2, is characterized in that, described output interface and input interface be located at described casing another on the surface, and this output interface is RS485 connector.
10. the differential leak detector of positive and negative pressure type as claimed in claim 2, it is characterized in that, described power unit is be located at the supply socket on another surface of casing.
The differential leak detector of 11. positive and negative pressure type as claimed in claim 2, is characterized in that, described detecting unit includes the body and at least one detector be located in this body that dock with described linkage unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520451145.3U CN204988663U (en) | 2015-06-29 | 2015-06-29 | Positive differential appearance that leaks hunting of negative pressure formula |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520451145.3U CN204988663U (en) | 2015-06-29 | 2015-06-29 | Positive differential appearance that leaks hunting of negative pressure formula |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204988663U true CN204988663U (en) | 2016-01-20 |
Family
ID=55123021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520451145.3U Active CN204988663U (en) | 2015-06-29 | 2015-06-29 | Positive differential appearance that leaks hunting of negative pressure formula |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204988663U (en) |
-
2015
- 2015-06-29 CN CN201520451145.3U patent/CN204988663U/en active Active
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |