CN214583868U - Air tightness testing device - Google Patents
Air tightness testing device Download PDFInfo
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- CN214583868U CN214583868U CN202023058197.4U CN202023058197U CN214583868U CN 214583868 U CN214583868 U CN 214583868U CN 202023058197 U CN202023058197 U CN 202023058197U CN 214583868 U CN214583868 U CN 214583868U
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- solenoid valve
- pump body
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- controller
- pressure sensor
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Abstract
The utility model discloses a gas tightness testing arrangement, including controller, the pump body and electromagnetism valves, electromagnetism valves includes first solenoid valve, be provided with the negative pressure interface on the first solenoid valve, first pressure sensor is installed to the negative pressure interface, first solenoid valve pass through the trachea with pump body coupling, first solenoid valve the pump body reaches first pressure sensor with the controller electricity is connected, and this gas tightness testing arrangement need not to soak the bulb in the water, can detect the gas tightness of waterproof LED lamp, and convenient to use consumes the time weak point.
Description
Technical Field
The utility model relates to a lamps and lanterns gas tightness detects technical field, especially relates to a gas tightness testing arrangement.
Background
The LED lamp is used as a fourth-generation lighting source, and has the advantages of remarkable energy conservation and service life. With the development of society, the problem of illumination energy consumption in daily life is increasingly prominent, so that the LED lamp with the remarkable energy-saving advantage is more and more favored by people.
The existing method for detecting the air tightness of the waterproof LED lamp is to soak the LED lamp in water, wait for 15-30 minutes and check whether water enters the waterproof inner cavity or not, the soaking time is too long, and water drops appear on the surface of the LED lamp when the LED lamp is taken out for observation, so that the LED lamp is difficult to observe.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to provide an air tightness testing device, need not to immerse the bulb in water, can detect the air tightness of LED lamp, and convenient to use consumes time for a short time.
The purpose of the utility model is realized by adopting the following technical scheme:
the utility model provides an air tightness testing device, includes controller, the pump body and electromagnetism valves, electromagnetism valves includes first solenoid valve, be provided with the negative pressure interface on the first solenoid valve, first pressure sensor is installed to the negative pressure interface, first solenoid valve pass through the trachea with pump body connection, first solenoid valve the pump body reaches first pressure sensor with the controller electricity is connected.
Further, the application also comprises a display screen electrically connected with the controller.
Furthermore, the display screen is a touch screen.
Further, the pump body is a vacuum diaphragm pump.
Further, this application still includes the second solenoid valve, be provided with the malleation interface on the second solenoid valve, the second solenoid valve pass through the trachea with the pump body coupling, install second pressure sensor in the malleation interface, second solenoid valve, second pressure sensor with the controller electricity is connected.
Further, this application still includes the casing, controller, the pump body first solenoid valve reaches the second solenoid valve is established in the casing, the malleation interface reaches the negative pressure interface stretches out housing face.
Compared with the prior art, the beneficial effects of the utility model reside in that:
this application is through the cooperation of the first pressure sensor, the controller that set up and the pump body for the user can judge through the pressure that detects in the lamps and lanterns that are surveyed, whether there is the crack or the interface is sealed tight by the lamps and lanterns that are surveyed, very big time of saving, and the rate of accuracy is high.
Drawings
Fig. 1 is a schematic structural view of an air tightness testing device according to the present invention;
fig. 2 is an internal schematic view of the air tightness testing device of the present invention.
The figure is as follows: 1. a pump body; 2. a first solenoid valve; 21. a negative pressure interface; 3. a second solenoid valve; 31. a positive pressure interface; 4. a display screen; 5. a housing.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.
As shown in fig. 1 and fig. 2, the present application discloses an airtightness testing device, which comprises a controller, a pump body 1 and an electromagnetic valve group, the electromagnetic valve group comprises a first electromagnetic valve 2, a negative pressure interface 21 is arranged on the first electromagnetic valve, a first pressure sensor is installed on the negative pressure interface 21, the first electromagnetic valve 2 is connected with the pump body 1 through an air pipe, and the first electromagnetic valve 2, the pump body 1 and the first pressure sensor are electrically connected with the controller.
When the device is used, a lamp to be detected is connected with the negative pressure interface 21 through the air pipe, a user controls the first electromagnetic valve 2 to be started through the controller so as to connect the lamp to be detected with the pump body 1, the pump body 1 is started, air in the lamp to be detected is pumped out until the interior of the lamp to be detected is vacuumized, the controller controls the pump body 1 to be stopped, meanwhile, the first electromagnetic valve 2 is closed, at the moment, the first pressure sensor positioned at the negative pressure interface 21 detects the pressure in the lamp to be detected and transmits pressure information to the controller, the controller transmits the pressure information and pumping time to a control terminal of the user, and the user judges whether the lamp to be detected has a crack or the interface is not sealed tightly according to the pumping time and the pressure information; if the air-extracting time or the pressure information exceeds the preset minimum value, the detected lamp is indicated to have a crack or the interface is not sealed tightly as an unqualified product, if the air-extracting time or the pressure information does not exceed the preset minimum value, the detected lamp is kept connected with the negative pressure interface 21 and is kept standing for a period of time until the pressure in the detected lamp is lower than the preset minimum value, the first pressure sensor transmits the detected pressure information to the controller and is transmitted to the user control terminal by the controller, the user judges whether the leakage degree of the detected lamp and the time for maintaining the pressure at the preset minimum value exceed the expectation according to the transmitted pressure information and the standing time, if the leakage degree of the detected lamp exceeds the expectation, the detected lamp is indicated to be an unqualified product, otherwise, the detected lamp is an qualified product, if the time for maintaining the pressure at the preset minimum value exceeds the expectation, the detected lamp is indicated to be an qualified product, if not, the product is a defective product. The setting of the air-extracting preset time, the maximum leakage value and the pressure maintaining preset time of the waterproof lamps of different model types or different waterproof grades is different, the waterproof lamps can be preferentially pre-stored in a display menu of a display screen 4 of the air tightness testing device, the waterproof lamps can be called to correspond pre-stored settings according to different model types to be tested during the air tightness test, the air-extracting time is preset to 60s in the application, the maximum leakage air pressure is 550pa, and the pressure maintaining time at the preset minimum value is 15 s.
This application is through the cooperation of the first pressure sensor, the controller that set up and the pump body 1 for the user can judge through the pressure that detects in the lamps and lanterns that are surveyed, whether there is the crack or the interface is sealed tight by the lamps and lanterns that are surveyed, the time of very big saving, and the rate of accuracy is high.
Preferably, this application still includes second solenoid valve 3, be provided with malleation interface 31 on the second solenoid valve 3, second solenoid valve 3 pass through the trachea with pump body 1 is connected, install second pressure sensor in the malleation interface 31, second solenoid valve 3, second pressure sensor with the controller electricity is connected.
When using, utilize the trachea to be connected positive pressure interface 31 with the surveyed lamps and lanterns that have the crack after detecting, then will be surveyed lamps and lanterns and submerge in the pond, then start second solenoid valve 3 and pump body 1, pump body 1 is gone into the air by the positive pressure interface 31 pump in being surveyed lamps and lanterns, at this moment, gaseous crack or interface position from being surveyed lamps and lanterns spills, the user can confirm the position of leaking the place through the position of observing the bubble, the person of facilitating the use later stage is repaired the position of leaking.
Preferably, this application still includes casing 5, and controller, pump body 1, first solenoid valve 2 and second solenoid valve 3 establish in casing 5, and positive pressure interface 31 and negative pressure interface 21 stretch out casing 5 surface, through setting up casing 5 to protection controller, pump body 1, first solenoid valve 2 and second solenoid valve 3.
Simultaneously, this application still includes the display screen 4 of being connected with the controller electricity to can show the survey lamps and lanterns internal pressure information and the time information that the controller collected, the person of facilitating the use compares.
Preferably, the display screen 4 is a touch screen, and a user can transmit an instruction to the controller through the touch screen to control the pump body 1 and the first and second electromagnetic valves 2 and 3 to be turned on and off.
Preferably, the pump body 1 is a vacuum diaphragm pump, and the air exhaust effect is good.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.
Claims (6)
1. The utility model provides an air tightness testing device which characterized in that: including controller, the pump body and electromagnetism valves, electromagnetism valves includes first solenoid valve, be provided with the negative pressure interface on the first solenoid valve, first pressure sensor is installed to the negative pressure interface, first solenoid valve pass through the trachea with pump body coupling, first solenoid valve the pump body reaches first pressure sensor with the controller electricity is connected.
2. The airtightness testing apparatus according to claim 1, wherein: the display screen is electrically connected with the controller.
3. The airtightness testing apparatus according to claim 2, wherein: the display screen is a touch screen.
4. The airtightness testing apparatus according to claim 1, wherein: the pump body is a vacuum diaphragm pump.
5. The airtightness testing apparatus according to claim 1, wherein: still include the second solenoid valve, be provided with the malleation interface on the second solenoid valve, the second solenoid valve pass through the trachea with the pump body coupling, install second pressure sensor in the malleation interface, second solenoid valve, second pressure sensor with the controller electricity is connected.
6. The airtightness testing apparatus according to claim 5, wherein: the pump body is characterized by further comprising a shell, the controller, the pump body, the first electromagnetic valve and the second electromagnetic valve are arranged in the shell, and the positive pressure interface and the negative pressure interface extend out of the surface of the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023058197.4U CN214583868U (en) | 2020-12-16 | 2020-12-16 | Air tightness testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023058197.4U CN214583868U (en) | 2020-12-16 | 2020-12-16 | Air tightness testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214583868U true CN214583868U (en) | 2021-11-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023058197.4U Active CN214583868U (en) | 2020-12-16 | 2020-12-16 | Air tightness testing device |
Country Status (1)
| Country | Link |
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| CN (1) | CN214583868U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114543714A (en) * | 2022-02-17 | 2022-05-27 | 源卓微电子装备(常德)有限公司 | Detection device and detection method for adsorption abnormity of vacuum chuck |
-
2020
- 2020-12-16 CN CN202023058197.4U patent/CN214583868U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114543714A (en) * | 2022-02-17 | 2022-05-27 | 源卓微电子装备(常德)有限公司 | Detection device and detection method for adsorption abnormity of vacuum chuck |
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