CN204330238U - A kind of detection platform for connector welding sealing propertytest - Google Patents

Abstract

The utility model relates to a kind of detection platform for connector welding sealing propertytest, is made up of surveyed area, standard interface and detection reserved area.Wherein surveyed area and detect reserved area with O-ring seal, standard interface is with standard seal circle, and at detected pieces, detection platform and helium mass spectrometer leak detector, three is connected and inner forms an airtight cavity.Surveyed area is a groove according to detected pieces profile arrangement, and to prevent the detected pieces generation harmful drift placed, surveyed area is each other in step-like design.Detect reserved area to design according to the demand of connector welding sealing propertytest in different size detected pieces, whole detection platform is designed to multiple detection reserved area, and detection platform is an one-piece construction, does not adopt welding and general mechanical connection.The utility model not only achieves the detection to connector welded seal, and improves detection efficiency.

Description

A kind of detection platform for connector welding sealing propertytest

Technical field

The utility model relates to a kind of detection method for connector welding sealing propertytest.

Background technology

Domestic leakage test electron trade carry out wider, as the vacuum components and parts such as various semiconductor devices, integrated circuit, relay all carry out leakage test, all quite ripe to the Rough Inspection of detected pieces soldering and sealing sealing, examining technology, detection method at present for connector welding sealing is put on checkout equipment by examined workpiece, checkout equipment applies quantitative pressure to detected pieces, connector welding sealing quality is judged by the change of force value, for the method, concrete leak rate value cannot be measured, detection efficiency is low.

Summary of the invention

The purpose of this utility model is to invent a kind of detection platform being specifically designed to connector welding sealing propertytest, the detection of the plug-in unit welded seal that achieves a butt joint.

The technical solution that the utility model adopts for its technical matters of solution is: design is a kind of, and with modular connection, (this joint must design according to helium mass spectrometer leak detector test port physical size, test port is divided into metric system, made in Great Britain) detection platform, this platform is connected with helium mass spectrometer leak detector test port by modular connection, lock with special fastening, between interconnective joint with special standard seal circle to ensure impermeability, the detected pieces being welded with connector is inverted and is placed on detection platform surveyed area, helium mass spectrometer leak detector works, detected pieces inside is in vacuum state, now helium is sprayed to connector weld, if weld has leak, then helium mass spectrometer leak detector can measure the leak rate of weld, if do not detect leak rate, then helium mass analyzer automatic deflation, carry out next part test.This method of testing needs to carry out at special surveyed area, ensures the ventilation that this surveyed area is good, if test zone draws badly, the helium background in environment increases, and affects the accuracy of detection of leak locator.

The utility model distinguishing feature is: a detection platform meeting connector welding sealing on different size box body, be made up of surveyed area, standard interface and detection reserved area, wherein surveyed area and detection reserved area are with O-ring seal, standard interface, with standard seal circle, is characterized in that:

1) at detected pieces, detection platform and helium mass spectrometer leak detector, three is connected and inner forms an airtight cavity;

2) surveyed area is a groove according to detected pieces profile arrangement, to prevent the detected pieces generation harmful drift placed; Surveyed area is each other in step-like design;

3) detect reserved area to design according to the demand of connector welding sealing propertytest in different size detected pieces, whole detection platform designs multiple detection reserved area;

4) detection platform is an one-piece construction, and do not adopt welding and general mechanical connection, this structural design makes test process sealing wait until higher guarantee, improves accuracy of detection;

5) this kind of connector welding method for conducting leak test efficiency is high, and detection platform cost of manufacture is low, meets batch detection.

Accompanying drawing explanation

Fig. 1 detection platform schematic diagram.

Fig. 2 test chamber is normally connected cross section view with detected pieces, is 1. detected pieces, 2. for detecting reserved area, is 3. detection platform.

Embodiment

Principle of the present utility model realizes block diagram as shown in Figure 1.Concrete implementation step is as follows.

1, the modular connection of connector welding sealing propertytest platform is connected with helium mass analyzer test port, and with special fastening locking, has special standard seal circle between interconnective joint to ensure impermeability; The detected pieces being welded with connector being inverted is placed on the O-ring seal in detection platform particular detection region, as Fig. 1, because detected pieces is placed on the detection groove inner seal ring of particular design, and detect groove and can prevent detected pieces generation harmful drift, thus ensure impermeability further; Helium mass spectrometer leak detector, to communicate between detection platform and detected pieces, three forms an internal cavity, as shown in Figure 2, during leak locator work, need through slightly taking out, Rough Inspection, examining three processes, slightly taking out the stage, the vacuum pump of leak locator just vacuumizes this inner chamber that three is formed, and detected pieces inner chamber is in meet " vacuum state " of leak locator leak detection.

2, getting out special helium spray gun in advance, and regulate helium top hole pressure, controlling helium gas flow by regulating helium top hole pressure; Open helium mass spectrometer leak detector, according to the bubble-tight leakage detecting process requirement of connector welding, arrange the leak detection parameters such as leak rate, time for roughing, Rough Inspection time, examining time in helium mass spectrometer leak detector, these parameters are all passed through " technological requirement of leak detection " calculates acquisition; After being ready to complete, press leak locator " TEST " key, now above, the processes such as helium mass spectrometer leak detector execution is slightly taken out, Rough Inspection, examining, in these processes, detected pieces inside is in vacuum state, meanwhile, with ready helium rifle, helium is sprayed to detected pieces weld; Now, if there is leak at connector welding place, helium then can be inhaled into the helium mass spectrum chamber of leak locator by this leak, and then records the amount of helium by this leak, and the display frequently of simultaneously helium mass spectrometer leak detector demonstrates leak rate value corresponding to this leak; If detected pieces connector welding place does not leak, then leak locator automatic deflation, now, take off detected pieces, proceed test leakage examination below.

3, experimentally, and actual service condition at ordinary times, draw: single test block completes whole leak detection process, within 20 seconds used times; The method achieves connector welding sealing propertytest; The efficiency that the structural design of this detection platform makes connector welding sealing hunt leak well is improved, and efficiency of leaking hunting improves, and the internal cavity mainly brought by test platform is very little, and the pumpdown time of such leak locator will shorten greatly.

Claims (1)

1. a detection platform for connector welding sealing propertytest, is made up of surveyed area, standard interface and detection reserved area, and wherein surveyed area and detection reserved area are with O-ring seal, and standard interface, with standard seal circle, is characterized in that:

1) at detected pieces, detection platform and helium mass spectrometer leak detector, three is connected and inner forms an airtight cavity;

2) surveyed area is a groove according to detected pieces profile arrangement, to prevent the detected pieces generation harmful drift placed; Surveyed area is each other in step-like design;

3) detect reserved area to design according to the demand of connector welding sealing propertytest in different size detected pieces, whole detection platform designs multiple detection reserved area;

4) detection platform is an one-piece construction, does not adopt welding and general mechanical connection.