CN203163946U - Temperature controlled type seal testing apparatus - Google Patents
Temperature controlled type seal testing apparatus Download PDFInfo
- Publication number
- CN203163946U CN203163946U CN 201320083391 CN201320083391U CN203163946U CN 203163946 U CN203163946 U CN 203163946U CN 201320083391 CN201320083391 CN 201320083391 CN 201320083391 U CN201320083391 U CN 201320083391U CN 203163946 U CN203163946 U CN 203163946U
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- circuit
- temperature control
- temperature
- timing
- test device
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Links
- 238000012360 testing method Methods 0.000 title claims abstract description 55
- 238000007789 sealing Methods 0.000 claims abstract description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 33
- 238000005070 sampling Methods 0.000 claims abstract description 13
- 238000010438 heat treatment Methods 0.000 claims abstract description 12
- 230000010355 oscillation Effects 0.000 claims description 16
- 230000000087 stabilizing effect Effects 0.000 claims description 2
- 238000009529 body temperature measurement Methods 0.000 abstract 1
- 238000009736 wetting Methods 0.000 abstract 1
- 238000005538 encapsulation Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 208000033999 Device damage Diseases 0.000 description 1
- 206010053615 Thermal burn Diseases 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004382 potting Methods 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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- Examining Or Testing Airtightness (AREA)
Abstract
Provided by the utility model is a temperature controlled type seal testing apparatus that comprises a temperature control circuit, a heating circuit, a leakage protection circuit, and a temperature sampling circuit. The heating circuit is connected with the temperature control circuit and is used for heating a water body; the leakage protection circuit that is connected with the temperature control circuit is used for providing leakage protection for the water body; the temperature sampling circuit that is connected with the temperature control circuit carries out temperature measurement on the water body and transmits the temperature of the water body to the temperature control circuit; and the temperature control circuit provides temperature controlling for the heating circuit according to the temperature of the water body. According to the temperature controlled type seal testing apparatus, the sealing performance of the packaged electronic equipment can be effectively detected; and the circuit board can be prevented from being corroded due to wetting or water entering. Moreover, the provided apparatus has the advantages of improving work efficiency, being used securely, being operated simply and conveniently and being capable of simultaneously testing sealing performances of multiple instruments and the like.
Description
Technical field
The utility model relates to the electronic device sealing property testing equipment, particularly relates to a kind of temperature control sealing test device.
Background technology
The electronic device of Shi Yonging has strict demand to sealing property in the open air, and geophysical survey field acquisition uphole equipment occur often the intaking device damage that causes or scrap not only causes economic loss but also influences open-air production and construction progress.Collecting device can't carry out the waterproof sealing performance detection to packaged equipment after the maintenance test encapsulation at present.We have invented a kind of new temperature control sealing test device for this reason, have solved above technical matters.
Summary of the invention
The purpose of this utility model provides a kind of temperature control sealing test device of test job of the sealing property that can effectively detect the electronic equipment after the encapsulation.
The purpose of this utility model can realize by following technical measures: the temperature control sealing test device; this temperature control sealing test device comprises temperature control circuit; heater circuit; leakage protection circuit and temperature sampling circuit; this heater circuit links to each other with this temperature control circuit; for water body is heated; this leakage protection circuit links to each other with this temperature control circuit; the earth leakage protection of water body is provided; this temperature sampling circuit is connected in this temperature control circuit; for water body carries out temperature survey; and this water temperature is transferred to this temperature control circuit, this temperature control circuit provides temperature control according to this water temperature for this heater circuit.
The purpose of this utility model also can realize by following technical measures:
This temperature control sealing test device also comprises timing start-up circuit, oscillation frequency dividing circuit and timing displaing circuit, this timing start-up circuit provides and starts control, this oscillation frequency dividing circuit is connected in the timing start-up circuit, and the vibration frequency division that carries out timing, this timing displaing circuit links to each other with this oscillation frequency dividing circuit with this timing start-up circuit, shows to carry out timing.
This temperature control sealing test device also comprises the AC/DC stabilized voltage supply, this AC/DC stabilized voltage supply links to each other with this timing start-up circuit, this temperature control circuit, this temperature sampling circuit, this AC/DC stabilized voltage supply is by this temperature control circuit, for this heater circuit provides 220VAC voltage, and provide 12VDC voltage through step-down, rectification and voltage stabilizing for other module of this temperature control sealing test device with the 220V AC power.
This timing start-up circuit adopts the manual triggers mode, and when no hand push button triggered, this timing start-up circuit was not worked owing to no 12VDC voltage, and under artificial situation about triggering, 12VDC voltage is input to this timing start-up circuit.
This oscillation frequency dividing circuit produces the 4096Hz signal and frequency division produces the 1Hz signal as the reference frequency of this timing displaing circuit.
This oscillation frequency dividing circuit picks up counting and output test alerting signal during timing to 180 second at this timing displaing circuit, when timing to 210 second, produce the test duration stop signal, and should the test duration stop signal be transferred to this timing start-up circuit, so that this timing start-up circuit outage.
This temperature control system is spent this water temperature control heating between ± 2 degree 65.
Temperature control sealing test device in the utility model, be in test water tank water container, it is impaired that water temperature is heated to 65 degree left and right sides temperature too high electronic device internal circuits that easily make, it is less that temperature is crossed low electronic device air pressure inside variation, puts into instrument and equipment, is sealed in the air expanded by heating in the electronic device, air pressure raises, bad as the potting performance, the tool housing abutting edge weak seal bubble of having named a person for a particular job produces, thereby reaches the test of sealing property after the rate electronics packages.Temperature control sealing test device in the utility model can effectively detect the sealing property of the electronic equipment after the encapsulation, prevents from making moist or intakes the open circuit potential plate; Increase work efficiency, the sealing property that only needs to improve instrument and equipment in 3 minutes detects; Safety assurance, the inner bag design prevents heating process scald staff; Sealing easy and simple to handle, as can to test many instruments simultaneously.
Description of drawings
Fig. 1 is the circuit diagram of a specific embodiment of temperature control sealing test device of the present utility model;
Embodiment
For above-mentioned and other purposes, feature and advantage of the present utility model can be become apparent, cited below particularlyly go out preferred embodiment, and cooperate appended graphicly, be described in detail below.
As shown in Figure 1, Fig. 1 is the circuit diagram of a specific embodiment of temperature control sealing test device of the present utility model.This temperature control sealing test device is made up of circuit such as AC/DC stabilized voltage supply 1, timing start-up circuit 2, oscillation frequency dividing circuit 3, timing displaing circuit 4, temperature control circuit 5, heater circuit 6, leakage protection circuit 7, temperature sampling circuits 8.
AC/DC stabilized voltage supply 1 is connected with timing start-up circuit 2, temperature control circuit 5, temperature sampling circuit 8, for other circuit provide 12VDC voltage, for heater circuit 6 provides 220VAC voltage; Timing start-up circuit 2 is connected with oscillation frequency dividing circuit 3, timing displaing circuit 4, starts control for timekeeping system provides; Oscillation frequency dividing circuit 3 is connected with timing start-up circuit 2, timing displaing circuit 4, finishes the vibration division function of timekeeping system; Timing displaing circuit 4 is connected with timing start-up circuit 2, oscillation frequency dividing circuit 3, is timing displaing circuit; Temperature control circuit 5 is connected with heater circuit 6, leakage protection circuit 7, temperature sampling circuit 8, for heater circuit 6 provides temperature control; Heater circuit 6 is connected with temperature control circuit 5, adds temperature function for water body provides; Leakage protection circuit 7 is connected with temperature control circuit 5, and the water body creepage protection function is provided; Temperature sampling circuit 8 is connected with AC/DC stabilized voltage supply 1, temperature control circuit 5, for water body carries out temperature survey.
Principle of work is, AC/DC stabilized voltage supply 1 offers all circuit in the temperature control sealing tester with the 220V AC power through step-down, rectification and mu balanced circuit output 12V DC voltage, the 220V AC power is provided to heater circuit 6 by temperature control circuit 5 simultaneously, heating control system is delivered to temperature control circuit 5 by the temperature sampling circuit 8 in the test water casing with probe temperature information, and by time of the heating of temperature control circuit 5 control heater circuits 6, by regulating the parameter of temperature control system, constantly the control of the water temperature in water tank heating is spent between ± 2 degree 65.
Leakage protection circuit 7 is the earth leakage protective devices by the test water tank; detect the electric leakage information in the water tank; be directly connected to temperature control circuit 5; detection by temperature control circuit 5; the break-make of control heating system AC power; guarantee to test the generation that water tank does not have the electric leakage situation, avoid personnel and equipment to damage because of electric leakage.Simultaneously heater circuit 6 is subjected to temperature circuit 5 controls to carry out water temperature to heat, guarantee that water temperature reaches 65 degree ± 2 degree constantly, and tester can carry out the sealing test work of equipment under this temperature.
Test duration control system principle: the timekeeping system power supply is to be directly inputted to timing start-up circuit 2 by the 12V DC voltage that stabilized voltage supply 1 is exported, timing start-up circuit 2 adopts the manual triggers mode, when no hand push button triggers, timing start-up circuit 2 is not worked owing to no 12V voltage, only under artificial situation about triggering, the 12V power supply just can be input in the timing start-up circuit 2, and by the automatic control lock-in circuit 12V voltage is added in the timing start-up circuit 2.
The time equipment need be put into the test water tank in test, whole test process control is at 210 seconds Validity Test in the time, and when timing circuit meter to 180 second circuit display reminding, tester's scope situation of leaking constantly simultaneously.Timekeeping system comprises oscillation frequency dividing circuit 3 and timing displaing circuit 4, when beginning to test, trigger hand push button and timing start-up circuit 2 and be provided to timekeeping system by mu balanced circuit output 5V, oscillation frequency dividing circuit is started working, produce 4096Hz signal and frequency division and produce the 1Hz signal as the reference frequency of timing displaing circuit, simultaneously timing displaing circuit pick up counting and during timing to 180 second signal of output as the test alerting signal, when timing to 210 second, produce the test duration stop signal, this signal also cuts off the power supply the release of power supply latching circuit through timing start-up circuit 2, whole test loop finishes, and waits for the beginning of second test loop after the manual triggers.
Claims (7)
1. temperature control sealing test device; it is characterized in that; this temperature control sealing test device comprises temperature control circuit, heater circuit, leakage protection circuit and temperature sampling circuit; this heater circuit links to each other with this temperature control circuit; for water body is heated; this leakage protection circuit links to each other with this temperature control circuit; the earth leakage protection of water body is provided; this temperature sampling circuit is connected in this temperature control circuit; for water body carries out temperature survey; and this water temperature is transferred to this temperature control circuit, this temperature control circuit provides temperature control according to this water temperature for this heater circuit.
2. temperature control sealing test device according to claim 1, it is characterized in that, this temperature control sealing test device also comprises timing start-up circuit, oscillation frequency dividing circuit and timing displaing circuit, this timing start-up circuit provides and starts control, this oscillation frequency dividing circuit is connected in the timing start-up circuit, and the vibration frequency division that carries out timing, this timing displaing circuit links to each other with this oscillation frequency dividing circuit with this timing start-up circuit, shows to carry out timing.
3. temperature control sealing test device according to claim 2, it is characterized in that, this temperature control sealing test device also comprises the AC/DC stabilized voltage supply, this AC/DC stabilized voltage supply links to each other with this timing start-up circuit, this temperature control circuit, this temperature sampling circuit, this AC/DC stabilized voltage supply is by this temperature control circuit, for this heater circuit provides 220VAC voltage, and provide 12VDC voltage through step-down, rectification and voltage stabilizing for other module of this temperature control sealing test device with the 220V AC power.
4. temperature control sealing test device according to claim 3, it is characterized in that, this timing start-up circuit adopts the manual triggers mode, when no hand push button triggers, this timing start-up circuit is not worked owing to no 12VDC voltage, under artificial situation about triggering, 12VDC voltage is input to this timing start-up circuit.
5. temperature control sealing test device according to claim 2 is characterized in that, this oscillation frequency dividing circuit produces the 4096Hz signal and frequency division produces the 1Hz signal as the reference frequency of this timing displaing circuit.
6. temperature control sealing test device according to claim 2, it is characterized in that, this oscillation frequency dividing circuit picks up counting and output test alerting signal during timing to 180 second at this timing displaing circuit, when timing to 210 second, produce the test duration stop signal, and should the test duration stop signal be transferred to this timing start-up circuit, so that this timing start-up circuit outage.
7. temperature control sealing test device according to claim 1 is characterized in that, this temperature control system is spent this water temperature control heating between ± 2 degree 65.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320083391 CN203163946U (en) | 2013-02-25 | 2013-02-25 | Temperature controlled type seal testing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320083391 CN203163946U (en) | 2013-02-25 | 2013-02-25 | Temperature controlled type seal testing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203163946U true CN203163946U (en) | 2013-08-28 |
Family
ID=49025123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320083391 Expired - Fee Related CN203163946U (en) | 2013-02-25 | 2013-02-25 | Temperature controlled type seal testing apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203163946U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104568330A (en) * | 2014-12-20 | 2015-04-29 | 江门市光之典照明有限公司 | Method and device for testing lamp sealing property |
| US11519819B2 (en) | 2019-11-27 | 2022-12-06 | Caterpillar Global Mining Llc | Seal testing system |
-
2013
- 2013-02-25 CN CN 201320083391 patent/CN203163946U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104568330A (en) * | 2014-12-20 | 2015-04-29 | 江门市光之典照明有限公司 | Method and device for testing lamp sealing property |
| US11519819B2 (en) | 2019-11-27 | 2022-12-06 | Caterpillar Global Mining Llc | Seal testing system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130828 Termination date: 20140225 |